1 2010-05-12 Jason Merrill <jason@redhat.com>
5 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
6 * sdbout.c (plain_type_1): Likewise.
7 * dwarf2out.c (is_base_type): Likewise.
8 (gen_type_die_with_usage): Likewise. Generate
9 DW_TAG_unspecified_type for any LANG_TYPE.
11 2010-05-12 Jan Hubicka <jh@suse.cz>
13 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
15 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
16 (cgraph_clone_edge): Update.
17 (cgraph_node_remove_callees): Remove indirect calls too.
18 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
19 (cgraph_create_indirect_edge): Update prototype.
20 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
21 is_proper_for_analysis.
22 (add_new_function, visited_nodes, function_insertion_hook_holder,
23 get_local_reference_vars_info, mark_address_taken, mark_address,
24 mark_load, mark_store, check_asm_memory_clobber, check_call,
25 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
26 (ipa_init): Do not initialize visited_nodes;
27 function_insertion_hook_holder.
28 (analyze_variable): Rewrite.
29 (analyze_function): Rewrite.
30 (copy_local_bitmap): Remove.
31 (duplicate_node_dat): Do not duplicate local info.
32 (generate_summary): Simplify to only walk cgraph.
33 (write_node_summary_p, ipa_reference_write_summary,
34 ipa_reference_read_summary): Remove.
35 (propagate): Do not remove function insertion;
37 (pass_ipa_reference): NULLify summary handling fields.
38 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
39 (input_edge): Input ecf_flags.
40 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
41 (update_indirect_edges_after_inlining): Ignore edges with unknown
44 2010-05-12 Sriraman Tallam <tmsriram@google.com>
46 * implicit-zee.c: New file.
47 * tree-pass.h (pass_implicit_zee): Declare.
48 * passes.c (init_optimization_passes): Add zee pass.
49 * common.opt (fzee): New flag.
50 * timevar.def (TV_ZEE): Define.
51 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
53 * Makefile.in (implicit-zee.o): Add new build file.
55 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
56 Nathan Froyd <froydnj@codesourcery.com>
58 * c-common.c (sync_resolve_params): Remove write-only variable.
60 2010-05-12 Anatoly Sokolov <aesok@post.ru>
62 * target.h (struct gcc_target): Add mode_dependent_address_p field.
63 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
64 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
65 * targhooks.c (default_mode_dependent_address_p): New function.
66 * targhooks.h (default_mode_dependent_address_p): Declare function.
67 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
68 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
69 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
70 target hook. Change return type to bool.
71 * recog.h: (mode_dependent_address_p): Change return type to bool.
73 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
74 Nathan Froyd <froydnj@codesourcery.com>
76 * tree-mudflap.c (build_function_type_0, build_function_type_1,
77 build_function_type_2, build_function_type_3): Remove.
78 (mudflap_init): Use build_function_type_list.
80 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
81 Nathan Froyd <froydnj@codesourcery.com>
83 * coverage.c (build_fn_info_value): Call build_constructor instead of
84 build_constructor_from_list.
85 (build_ctr_info_value): Likewise.
86 (build_gcov_info): Likewise.
88 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
90 * tree.c (build_constructor): Compute TREE_CONSTANT for the
91 resultant constructor.
92 (build_constructor_single): Don't set TREE_CONSTANT.
93 (build_constructor_from_list): Don't compute TREE_CONSTANT.
95 2010-05-12 Jan Hubicka <jh@suse.cz>
97 * cgraph.h (struct varpool_node): Add aux.
98 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
99 * varpool.c (varpool_remove_node): Do not remove initializer.
100 (varpool_reset_queue): Export.
101 (varpool_finalize_decl): Volatile vars are forced to be output.
102 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
104 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
105 process_references, varpool_can_remove_if_no_refs): New functions.
106 (cgraph_remove_unreachable_nodes): Handle variables too.
108 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
111 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
113 2010-05-12 Jakub Jelinek <jakub@redhat.com>
116 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
117 change value of ORT_TASK.
118 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
119 (omp_notice_threadprivate_variable): New function.
120 (omp_notice_variable): Call it for threadprivate variables.
121 If enclosing ctx is a task, print enclosing task rather than
122 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
123 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
124 if task has untied clause.
127 * dwarf2out.c (base_type_die): Don't add name attribute here.
128 (modified_type_die): Instead of sizetype use
129 its underlying original type. If a DW_TAG_base_type doesn't
130 have name added, add __unknown__.
131 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
132 always call force_type_die instead.
134 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
136 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
137 for __stack_chk_guard.
139 2010-05-11 Jakub Jelinek <jakub@redhat.com>
141 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
142 don't call start_source_file debug hook here...
143 (finish_options): ... but here, after outputting predefined and
144 command line defines and undefs.
147 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
149 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
150 optimizing away empty bb with no successors, move over its
151 footer chain to fallthru predecessor.
152 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
153 (rtl_split_edge): For asm goto call patch_jump_insn even if
154 splitting fallthru edge.
157 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
158 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
159 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
160 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
164 * c-parser.c (c_parser_expression): Mark LHS of a comma
165 expression as read if it is a decl, handled component or
166 COMPOUND_EXPR with that on the RHS.
167 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
168 if it is a decl or handled component.
170 2010-05-11 Jan Hubicka <jh@suse.cz>
172 * lto-symtab.c (lto_symtab_free): New function.
173 * lto-streamer.h (lto_symtab_free): Declare.
175 2010-05-11 Jan Hubicka <jh@suse.cz>
177 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
178 that if function is needed it is reachable.
179 (lto_output_node): See if it the function is reachable or referenced.
180 (output_cgraph): Update call of lto_output_node.
181 * lto-streamer.h (reachable_from_other_partition_p): Declare.
183 2010-05-11 Jan Hubicka <jh@suse.cz>
185 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
188 2010-05-11 Jan Hubicka <jh@suse.cz>
190 PR tree-optimize/44063
191 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
192 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
194 (estimate_function_body_sizes): Compute sizes even when disregarding.
196 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
198 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
200 2010-05-11 Jan Hubicka <jh@suse.cz>
202 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
205 2010-05-11 Jan Hubicka <jh@suse.cz>
207 * matrix-reorg.c (matrix_reorg): Rebuild edges.
209 2010-05-11 Jan Hubicka <jh@suse.cz>
211 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
212 lto_streamer_cache_delete): Put nodes into heap.
213 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
216 2010-05-11 Jan Hubicka <jh@suse.cz>
218 * cgraphbuild.c (cgraph_rebuild_references): New.
219 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
221 * cgraph.h (cgraph_rebuild_references): Declare.
222 * tree-inline.c (tree_function_versioning): Use it.
223 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
225 2010-05-11 Jan Hubicka <jh@suse.cz>
227 * cgraph.c: Include ipa-utils.h
228 (cgraph_create_virtual_clone): Update references.
229 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
231 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
233 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
234 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
237 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
239 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
241 2010-05-11 Jakub Jelinek <jakub@redhat.com>
243 * gcc.c (execute): For -### don't quote arguments that
244 contain just alphanumerics and _/-. characters.
245 * doc/invoke.texi: Document that change for -###.
248 * df-problems.c (struct dead_debug): Add to_rescan field.
249 (dead_debug_init): Clear to_rescan field.
250 (dead_debug_finish): Rescan all debug insns in to_rescan
251 bitmap and free the bitmap.
252 (dead_debug_insert_before): Instead of rescanning debug insns
253 immediately queue their rescanning until dead_debug_finish.
254 (df_note_bb_compute): After dead_debug_add do continue instead
257 2010-05-10 Jakub Jelinek <jakub@redhat.com>
260 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
261 clear also INSN_REG_USE_LIST.
263 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
265 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
267 2010-05-10 Jan Hubicka <jh@suse.cz>
269 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
271 2010-05-10 Jan Hubicka <jh@suse.cz>
273 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
275 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
276 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
277 (lto_streamer_cache_create): Init alloc pool.
278 (lto_streamer_cache_delete): Free alloc pool.
279 * lto-streamer.h: Include alloc pool.
280 (lto_streamer_cache_d): Use alloc pool.
281 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
283 2010-05-10 Jan Hubicka <jh@suse.cz>
285 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
286 * cgraphbuild.c: Include except.h
287 (record_type_list, record_eh_tables): New function.
288 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
290 2010-05-10 Jan Hubicka <jh@suse.cz>
292 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
293 __frame_dummy_init_array_entry, force_to_data): Attribute as used
296 2010-05-10 Michael Matz <matz@suse.de>
298 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
299 (can_reassociate_p): Use FLOAT_TYPE_P.
300 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
301 (vect_force_simple_reduction): ... this.
302 * tree-parloops.c (gather_scalar_reductions): Use
303 vect_force_simple_reduction.
304 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
305 vect_is_simple_reduction, add modify argument, if true rewrite
307 (vect_is_simple_reduction, vect_force_simple_reduction): New
309 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
311 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
312 Vladimir Makarov <vmakarov@redhat.com>
314 PR rtl-optimization/44012
315 * ira-build.c (remove_unnecessary_allocnos): Nullify
316 regno_allocno_map of the removed allocno.
318 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
320 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
322 * configure: Regenerate.
324 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
326 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
328 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
329 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
331 * configure: Regenerate.
333 2010-05-10 Richard Guenther <rguenther@suse.de>
335 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
336 marked if the entry identifier is marked.
338 2010-05-10 Richard Guenther <rguenther@suse.de>
340 * c-common.c (struct c_common_attributes): Add fnspec attribute.
341 (handle_fnspec_attribute): New function.
342 * gimple.h (gimple_call_return_flags): Declare.
343 (gimple_call_arg_flags): Likewise.
344 * gimple.c (gimple_call_arg_flags): New function.
345 (gimple_call_return_flags): Likewise.
346 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
348 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
350 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
351 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
353 (make_heapvar_for): ... this new function.
354 (handle_rhs_call): Handle fnspec attribute argument specifiers.
355 (handle_lhs_call): Likewise.
356 (find_func_aliases): Adjust.
358 2010-05-10 Richard Guenther <rguenther@suse.de>
360 PR tree-optimization/44050
361 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
363 2010-05-10 Wei Guozhi <carrot@google.com>
366 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
368 2010-05-09 Joseph Myers <joseph@codesourcery.com>
371 * c-typeck.c (lookup_field): Take a type directly. Update
373 (build_component_ref): Update call to lookup_field.
374 (set_init_label): Use lookup_field to find initialized field.
375 Handle returned list of fields like a sequence of designators.
377 2010-05-09 Richard Guenther <rguenther@suse.de>
380 * fold-const.c (tree_single_nonzero_warnv_p): Properly
381 handle &FUNCTION_DECL.
383 2010-05-09 Joseph Myers <joseph@codesourcery.com>
386 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
387 structures and unions recursively.
388 (detect_field_duplicates): Move duplicate detection with a hash to
389 detect_field_duplicates_hash. Always use a hash if anonymous
390 structures or unions are present.
391 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
394 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
397 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
398 detect Atom, Core 2 and Core i7.
400 2010-05-09 Richard Guenther <rguenther@suse.de>
402 * gcc.c (store_arg): Handle temporary file deletion for
405 2010-05-09 Richard Guenther <rguenther@suse.de>
408 * ipa-inline.c (estimate_function_body_sizes): Return after
409 disregarding inline limits.
411 2010-05-09 Richard Guenther <rguenther@suse.de>
413 * gcc.c (store_arg): Revert last change.
415 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
418 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
419 (optimize_ops_list): Call it.
421 2010-05-08 Richard Guenther <rguenther@suse.de>
423 PR tree-optimization/44030
424 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
425 NECESSARY flag if we propagate from a inserted expression.
427 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
429 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
430 domain types as equal if they are both PLACEHOLDER_EXPRs.
432 2010-05-08 Richard Guenther <rguenther@suse.de>
434 * lto-wrapper.c (run_gcc): Remove linker output from
435 command line for LTRANS invocation.
437 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
439 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
440 lto-macho as lto_binary_reader.
441 * target.h (struct gcc_target): New hooks lto_start and lto_end.
442 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
443 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
444 in lto_start and lto_end calls.
445 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
447 (scan_prog_file): Update is_elf_or_coff call.
448 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
450 * collect2.c (main): Fix enum comparison.
452 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
454 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
455 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
456 and TARGET_ASM_LTO_END.
457 * darwin.c: Include obstack.h and lto-streamer.h.
458 (lto_section_names_offset, lto_section_names_obstack,
459 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
461 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
462 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
464 (darwin_asm_lto_end): New function. Restore asm_out_file.
465 (darwin_asm_named_section): For LTO sections, replace the name with
466 the offset of the section name in a string table, and build this
468 (darwin_file_start): Initialize global vars for LTO support.
469 (darwin_file_end): If output to asm_out_file was redirected, append it
470 to the proper asm_out_file here. Add the section names section.
472 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
474 * c-pragma.c (pending_weak_d, pending_weak): New.
475 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
476 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
477 handle_pragma_weak): Update the uses of pending_weaks.
479 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
481 PR documentation/44016
482 * doc/standards.texi (Standards): Link to unversioned
483 cxx0x_status.html page.
485 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
488 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
489 in addition to TREE_USED, to avoid "set but unused" warnings.
491 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
493 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
494 (is_loop_prefetching_profitable): Do not insert prefetches
495 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
496 times the prefetch ahead distance.
498 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
500 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
501 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
502 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
505 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
507 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
508 a diagnostic info when the insn-to-mem ratio is too small.
510 2010-05-07 Richard Guenther <rguenther@suse.de>
512 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
514 (store_arg): Queue temp_filename for deletion instead of
517 2010-05-07 Richard Guenther <rguenther@suse.de>
519 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
520 (run_gcc): Handle LTRANS phase invocation.
521 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
523 2010-05-07 Jakub Jelinek <jakub@redhat.com>
525 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
526 this is also meaningful on PARM_DECLs and RESULT_DECLs.
528 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
530 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
532 2010-05-07 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/44020
535 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
536 code when PRE is not yet initialized.
538 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
540 * config/mips/dbxmdebug.h: Remove.
541 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
543 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
545 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
546 with null pointer and also warn about ordered comparison of zero with
549 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
551 * graphite-blocking.c
552 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
553 * graphite-clast-to-gimple.c
554 (clast_to_gcc_expression): Same.
555 (precision_for_value): Same.
556 (precision_for_interval): Same.
557 (gcc_type_for_interval): Same.
558 (graphite_create_new_guard): Same.
559 (compute_bounds_for_level): Same.
560 (graphite_create_new_loop_guard): Same.
561 * graphite-interchange.c
562 (build_linearized_memory_access): Same.
563 (pdr_stride_in_loop): Same.
564 (memory_strides_in_loop_1): Same.
565 (memory_strides_in_loop): Same.
566 (extend_scattering): Same.
567 (psct_scattering_dim_for_loop_depth): Same.
568 (pbb_number_of_iterations): Same.
570 (debug_iteration_domains): Same.
572 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
573 (ppl_set_inhomogeneous_gmp): Same.
574 (ppl_strip_loop): Same.
575 (ppl_lexico_compare_linear_expressions): Same.
576 (ppl_read_polyhedron_matrix): Same.
577 (ppl_max_for_le_pointset): Same.
579 (ppl_read_polyhedron_matrix): Same.
580 (tree_int_to_gmp): Same.
581 (gmp_cst_to_tree): Same.
582 (ppl_set_inhomogeneous): Same.
583 (ppl_set_inhomogeneous_tree): Same.
584 (ppl_set_coef): Same.
585 (ppl_set_coef_tree): Same.
586 * graphite-sese-to-poly.c
587 (build_pbb_scattering_polyhedrons): Same.
588 (build_scop_scattering): Same.
589 (scan_tree_for_params_right_scev): Same.
590 (scan_tree_for_params): Same.
591 (find_params_in_bb): Same.
592 (find_scop_parameters): Same.
593 (add_upper_bounds_from_estimated_nit): Same.
594 (build_loop_iteration_domains): Same.
595 (add_condition_to_domain): Same.
596 (pdr_add_memory_accesses): Same.
598 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
600 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
601 CLooG's value_* macros to their respective mpz_* counterparts.
602 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
603 (graphite_create_new_loop_guard): Same.
604 * graphite-interchange.c (build_linearized_memory_access): Same.
605 (pdr_stride_in_loop): Same.
606 (memory_strides_in_loop_1): Same.
607 (1st_interchange_profitable_p): Same.
608 * graphite-poly.c (extend_scattering): Same.
609 (psct_scattering_dim_for_loop_depth): Same.
610 (pbb_number_of_iterations): Same.
611 (pbb_number_of_iterations_at_time): Same.
612 * graphite-poly.h (new_1st_loop): Same.
613 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
614 (oppose_constraint): Same.
615 (insert_constraint_into_matrix): Same.
616 (ppl_set_inhomogeneous_gmp): Same.
617 (ppl_set_coef_gmp): Same.
618 (ppl_strip_loop): Same.
619 (ppl_lexico_compare_linear_expressions): Same.
620 (ppl_max_for_le_pointset): Same.
621 (ppl_min_for_le_pointset): Same.
622 (ppl_build_realtion): Same.
623 * graphite-ppl.h (gmp_cst_to_tree): Same.
624 (ppl_set_inhomogeneous): Same.
625 (ppl_set_inhomogeneous_tree): Same.
626 (ppl_set_coef): Same.
627 (ppl_set_coef_tree): Same.
628 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
629 (build_scop_scattering): Same.
630 (add_value_to_dim): Same.
631 (scan_tree_for_params_right_scev): Same.
632 (scan_tree_for_params_int): Same.
633 (scan_tree_for_params): Same.
634 (find_params_in_bb): Same.
635 (find_scop_parameters): Same.
636 (add_upper_bounds_from_estimated_nit): Same.
637 (build_loop_iteration_domains): Same.
638 (create_linear_expr_from_tree): Same.
639 (add_condition_to_domain): Same.
640 (pdr_add_memory_accesses): Same.
642 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
643 Jason Merrill <jason@redhat.com>
645 * c-common.c (c_common_reswords): Add nullptr.
646 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
647 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
648 (gen_type_die_with_usage): Likewise.
649 * dbxout.c (dbxout_type): Likewise.
650 * sdbout.c (plain_type_1): Likewise.
652 2010-05-06 Jason Merrill <jason@redhat.com>
654 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
655 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
657 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
659 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
660 stripping WITH_SIZE_EXPR.
661 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
664 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
666 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
667 list of obsolete configurations.
668 Disabled check for obsolete configurations.
669 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
670 Removed support for previous versions.
671 * config/mips/iris.h: Removed.
672 * config/mips/iris5.h: Removed.
673 * config/mips/iris6.h: Merged old iris.h contents.
674 (TARGET_IRIX): Removed.
675 (DRIVER_SELF_SPECS): Removed mabi=32.
676 (IDENT_ASM_OP): Removed undef.
677 (STARTFILE_SPEC): Removed mabi=32.
678 (ENDFILE_SPEC): Likewise.
679 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
680 (MACHINE_TYPE): Update for IRIX 6.5.
681 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
682 TARGET_IRIX by TARGET_IRIX6.
683 (mips_file_start): Likewise.
684 (mips_output_external): Remove IRIX 5/6 O32 support.
685 (mips_output_function_prologue): Likewise.
686 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
688 (TARGET_CPU_CPP_BUILTINS): Likewise.
689 (TARGET_IRIX): Removed.
690 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
691 (MULTILIB_DIRNAMES): Removed 32.
692 (MULTILIB_OSDIRNAMES): Removed ../lib.
693 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
694 (Specific, mips-sgi-irix5): Document removal.
695 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
696 Remove references to older IRIX 6 releases and the O32 ABI.
698 2010-05-06 Jakub Jelinek <jakub@redhat.com>
701 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
702 instead of DF_REF_REAL_REG.
704 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
707 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
708 handling to still return true for x64 targets.
710 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
712 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
714 2010-05-06 Jan Hubicka <jh@suse.cz>
716 PR tree-optimization/43791
717 * ipa-inline.c (update_caller_keys): Remove bogus
718 disregard_inline_limits check.
720 2010-05-06 Michael Matz <matz@suse.de>
722 PR tree-optimization/43984
723 * tree-ssa-pre.c (inserted_phi_names): Remove.
724 (inserted_exprs): Change to bitmap.
725 (create_expression_by_pieces): Set bits, don't append to vector.
726 (insert_into_preds_of_block): Don't handle inserted_phi_names.
727 (eliminate): Don't look at inserted_phi_names, remove deleted
728 insns from inserted_exprs.
729 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
730 (init_pre, fini_pre): Allocate and free bitmaps.
731 (execute_pre): Insert insns on edges before elimination.
733 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
735 * tree.c (initializer_zerop): Handle STRING_CST.
737 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
740 * doc/invoke.texi (Wimplicit): Document as C only.
741 * opts.c (common_handle_option): Add argument kind.
742 (handle_option): Rename as read_cmdline_option. Factor out code to...
743 (handle_option): ... here. New.
744 (handle_options): Rename as read_cmdline_options.
745 (decode_options): Update call.
746 (set_option): Use option index instead of option pointer. Classify
747 diagnostics correctly.
748 (enable_warning_as_error): Call handle_option.
749 * opts.h (set_option): Update declaration.
750 (handle_option): Declare.
751 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
752 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
753 * c-opts.c (set_Wimplicit): Delete.
754 (c_family_lang_mask): New static constant.
755 (c_common_handle_option): Add argument kind. Use handle_option
756 instead of set_Wimplicit.
757 (c_common_post_options): warn_implicit and warn_implicit_int
758 are disabled by default.
759 * c-common.c (warn_implicit): Do not define here.
760 * c-common.h (warn_implicit): Do not declare here.
761 (c_common_handle_option): Update declaration.
762 * lto-opts.c (lto_reissue_options): Update call to set_option.
764 2010-05-06 Richard Guenther <rguenther@suse.de>
766 PR tree-optimization/43571
767 * domwalk.c (walk_dominator_tree): Walk the dominator
768 sons in more optimal order.
770 2010-05-06 Richard Guenther <rguenther@suse.de>
772 PR tree-optimization/43934
773 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
774 (stmt_cost): Likewise.
775 (extract_true_false_args_from_phi): New helper.
776 (determine_max_movement): For PHI nodes verify we can hoist them
777 and compute their cost.
778 (determine_invariantness_stmt): Handle PHI nodes.
779 (move_computations_stmt): Likewise. Hoist PHI nodes in
780 if-converted form using COND_EXPRs.
781 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
782 (tree_ssa_lim): Likewise.
783 * tree-flow.h (tree_ssa_lim): Adjust prototype.
784 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
786 2010-05-06 Richard Guenther <rguenther@suse.de>
788 PR tree-optimization/43987
789 * tree-ssa-structalias.c (could_have_pointers): For possibly
790 address-taken variables force pointers to be recorded.
791 (create_variable_info_for_1): Likewise.
792 (push_fields_onto_fieldstack): Pass in wheter all fields
794 (find_func_aliases): Query types instead of vars whether
795 they contain pointers where appropriate.
797 2010-05-06 Jan Hubicka <jh@suse.cz>
799 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
800 (record_reference, mark_address, mark_load, mark_store): Record
802 (record_references_in_initializer): Update call of record_references.
803 (rebuild_cgraph_edges): Remove all references before rebuiding.
804 * cgraph.c (cgraph_create_node): Clear ref list.
805 (cgraph_remove_node): Remove references.
806 (dump_cgraph_node): Dump references.
807 (cgraph_clone_node): Clone references.
808 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
809 (struct cgraph_node, varpool_node): Add ref_lst.
810 * ipa-ref.c: New file.
811 * ipa-ref.h: New file.
812 * ipa-ref-inline.h: New file.
813 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
814 (referenced_from_other_partition_p): New function.
815 (lto_output_varpool_node): Take set arugment; call
816 referenced_from_other_partition.
817 (lto_output_ref): New.
818 (add_references): New.
820 (output_cgraph): Compute boundary based on references; output refs.
821 (output_varpool): Accept cgraph_node_set argument.
824 (input_cgraph): Call input_refs.
825 * lto-section-in.c (lto_section_name): Add refs.
826 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
827 (ipa-ref.o): New file.
828 * varpool.c (varpool_node): Clear ipa ref list.
829 (varpool_remove_node): Remove references.
830 (dump_varpool_node): Dump references.
831 (varpool_assemble_decl): Only compile finalized ones.
832 (varpool_extra_name_alias): Initialize ref list.
833 * lto-streamer.c (lto-get_section_name): Add .refs section.
834 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
835 (referenced_from_other_partition_p): Declared.
837 2010-05-06 Ira Rosen <irar@il.ibm.com>
839 PR tree-optimization/43901
840 * tree-vect-stmts.c (vectorizable_call): Assert that vector
841 type is not NULL if it's transformation phase, and return
842 FALSE if it's analysis.
843 (vectorizable_conversion, vectorizable_operation,
844 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
846 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
848 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
850 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
852 * config/mips/mips-protos.h
853 (mips_small_register_classes_for_mode_p): Delete prototype.
855 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
857 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
858 * config/arm/arm.c (multiple_operation_profitable_p,
859 compute_offset_order): New static functions.
860 (load_multiple_sequence, store_multiple_sequence): Use them.
861 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
862 memory offsets, not register numbers.
863 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
865 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
867 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
868 (get_pending_sizes, put_pending_size, put_pending_sizes):
869 Update the uses of pending_sizes.
870 * c-decl.c (store_parm_decls): Likewise.
871 * c-tree.h (struct c_arg_info): Likewise.
872 * tree.h: Update the prototype for get_pending_sizes and
875 2010-05-05 Jason Merrill <jason@redhat.com>
878 * c-common.c (handle_aligned_attribute): Respect
879 ATTR_FLAG_TYPE_IN_PLACE.
882 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
883 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
884 (TARGET_INITIALIZER): Use it.
885 * c-common.c (attribute_takes_identifier_p): Call it.
886 * c-common.h: Update prototype.
887 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
888 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
890 2010-05-05 Jakub Jelinek <jakub@redhat.com>
893 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
894 DW_ID_down_case for Fortran compilation units.
896 2010-05-05 Jan Hubicka <jh@suse.cz>
898 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
901 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
903 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
904 a variable-sized RESULT_DECL.
906 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
908 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
910 2010-05-05 Jason Merrill <jason@redhat.com>
913 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
915 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
917 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
918 Jakub Jelinek <jakub@redhat.com>
921 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
922 (dead_debug_init, dead_debug_finish): New functions.
923 (dead_debug_add, dead_debug_insert_before): Likewise.
924 (df_note_bb_compute): Initialize a dead_debug object, add dead
925 debug uses to it, insert debug bind insns before death insns,
926 reset debug insns that refer to pending uses at the end.
927 * rtl.h (make_debug_expr_from_rtl): New prototype.
928 * varasm.c (make_debug_expr_from_rtl): New function.
930 2010-05-05 Jan Hubicka <jh@suse.cz>
932 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
933 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
934 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
935 lto_varpool_encoder_deref, lto_varpool_encoder_size,
936 lto_varpool_encoder_encode_initializer_p,
937 lto_set_varpool_encoder_encode_initializer): New functions.
938 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
940 (input_varpool_node): Do not always set analyzed.
941 (input_cgraph_1): Return vector of cgraph nodes.
942 (input_varpool_1): Return vector of varpools.
943 (input_cgraph): Free the vectors.
944 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
945 output only initializers needed.
946 (lto_output): Only call output_cgraph.
947 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
948 * lto-section-out.c (lto_new_out_decl_state): Initialize
949 state->varpool_node_encoder.
950 * lto-streamer.h (lto_varpool_encoder_d): New.
951 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
952 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
953 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
954 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
955 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
957 (output_varpool, input_varpool): Remove declarations.
959 2010-05-05 Jan Hubicka <jh@suse.cz>
961 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
962 with body can prevail.
964 2010-05-05 Jan Hubicka <jh@suse.cz>
966 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
969 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
971 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
973 * gengtype.h (erro_at_line): Constify pos argument.
975 * gengtype.c: Include hashtab.h.
976 (enum gc_used): Document GC_MAYBE_POINTED_TO.
977 (error_at_line): Constify pos argument.
978 (do_typedef): Initialize p->opt field.
979 (get_file_gtfilename): Fix comment typo.
980 (struct walk_type_data): Constify line field.
981 (get_output_file_for_structure): New function.
982 (write_local_func_for_structure): Constify orig_s argument.
983 Use get_output_file_for_structure.
984 (write_func_for_structure): Use get_output_file_for_structure.
985 (INDENT): New define.
986 (dump_pair, dump_type, dump_type_list, dump_typekind)
987 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
988 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
990 (seen_types): New variable.
991 (main): New variable do_dump. Process "-d" command line option.
992 Call dump_everything if dump requested.
994 2010-05-05 Jakub Jelinek <jakub@redhat.com>
996 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
997 in a temporary instead of invoking the macro multiple times.
998 (track_expr_p): Likewise.
1000 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1002 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1004 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1005 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1006 conditions for printing notes.
1007 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1008 true, update documentation.
1009 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1011 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1014 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1017 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1020 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1021 (*sse_prologue_save_insn1): Likewise.
1022 (SSE prologue save splitter): Likewise.
1024 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1026 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1027 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1028 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1029 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1030 all decls. Call it on DECL_FIELD_OFFSET of fields.
1031 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1032 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1034 2010-05-04 Martin Jambor <mjambor@suse.cz>
1036 * tree-sra.c (build_access_from_expr_1): The first parameter type
1037 changed to simple tree.
1038 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1039 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1041 (build_accesses_from_assign): Removed all parameters except for a
1042 simple gimple statement. Now returns a simple bool.
1043 (scan_function): All non-analysis parts moved to separate functions
1044 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1045 parameters and updated both callers.
1046 (sra_modify_expr): Removed parameter data.
1047 (sra_modify_function_body): New function.
1048 (perform_intra_sra): Call sra_modify_function_body to modify the
1050 (replace_removed_params_ssa_names): Parameter data changed into
1052 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1053 changed the parameter dont_convert to convert with the opposite
1055 (sra_ipa_modify_assign): Parameter data changed into adjustments
1056 vector, return value changed to bool.
1057 (ipa_sra_modify_function_body): New function.
1058 (sra_ipa_reset_debug_stmts): Updated a comment.
1059 (modify_function): Use ipa_sra_modify_function_body to modify function
1062 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1065 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1066 (canon_true_dependence): Likewise.
1067 (write_dependence_p): Likewise.
1069 2010-05-04 Jan Hubicka <jh@suse.cz>
1071 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1072 * cgraphbuild.c: Include ipa-utils.h
1073 (record_reference_ctx): New struct.
1074 (record_reference): Simplify to work on initializers; not statements.
1075 (mark_address, mark_load, mark_store): New.
1076 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1078 (record_references_in_initializer): Update use of record_reference.
1079 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1082 2010-05-04 Jan Hubicka <jh@suse.cz>
1084 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1085 node will be removed anyway.
1086 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1087 relink aliases of node into prevailing node.
1088 * varpool.c (varpool_remove_node): Remove aliases properly;
1089 when removing node, remove all its aliases too; remove DECL_INITIAL
1090 of removed node; ggc_free the varpool node.
1092 2010-05-04 Richard Guenther <rguenther@suse.de>
1094 PR tree-optimization/43879
1095 * tree-ssa-structalias.c (alias_get_name): Use
1096 DECL_ASSEMBLER_NAME if available.
1097 (create_function_info_for): Return the varinfo node.
1098 (ipa_pta_execute): Associate same-body aliases and extra names
1099 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1101 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1103 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1105 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1108 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1109 only if HONOR_REG_ALLOC_ORDER is not defined.
1111 2010-05-04 Richard Guenther <rguenther@suse.de>
1113 PR tree-optimization/43949
1114 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1117 2010-04-26 Jason Merrill <jason@redhat.com>
1119 * c.opt (-fstrict-enums): New.
1120 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1122 2010-05-03 David Ung <davidu@mips.com>
1123 James E. Wilson <wilson@codesourcery.com>
1125 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1126 emit the trap instruction before the divide for TUNE_74K.
1128 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1130 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1131 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1132 based on the above, for new target hook.
1134 * hooks.c (hook_bool_mode_true): New generic hook.
1135 * hooks.h (hook_bool_mode_true): Add prototype.
1137 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1139 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1140 target hook, set to hook_bool_mode_false.
1141 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1142 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1143 with targetm.small_register_classes_for_mode_p.
1144 (find_reusable_reload): Likewise.
1145 (combine_reloads): Likewise.
1146 * reload1.c (reload_as_needed): Likewise.
1147 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1148 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1149 dead_or_predicable): Likewise.
1150 * regmove.c (optimize_reg_copy_1): Likewise.
1151 * calls.c (prepare_call_address): Likewise.
1152 (precompute_register_parameters): Likewise.
1154 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1156 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1157 implementation of the hook that considers all register classes
1158 small except for SH64.
1159 (sh_override_options): Use the new hook.
1160 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1163 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1165 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1166 implementation of the hook that considers all register classes
1168 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1171 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1173 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1174 implementation of the hook that considers all register classes
1176 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1179 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1181 * config/m32c/m32c.h: Likewise.
1182 * config/pdp11/pdp11.h: Likewise.
1183 * config/avr/avr.h: Likewise.
1184 * config/xtensa/xtensa.h: Likewise.
1185 * config/m68hc11/m68hc11.h: Likewise.
1186 * config/mn10300/mn10300.h: Likewise.
1187 * config/mcore/mcore.h: Likewise.
1188 * config/h8300/h8300.h: Likewise.
1189 * config/bfin/bfin.h: Likewise.
1191 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1192 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1194 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1196 * double-int.h (tree_to_double_int): Remove macro.
1197 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1198 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1199 (tree_to_double_int): New function.
1200 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1202 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1204 2010-05-03 Richard Guenther <rguenther@suse.de>
1206 PR tree-optimization/43971
1207 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1208 constraints in the !flag_delete_null_pointer_checks case.
1210 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1213 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1214 result mode matches original rtl mode.
1216 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1219 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1221 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1223 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1224 when processing flag options.
1226 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1228 * gcov-iov.c (main): Change format string placeholder
1229 from %#08x to 0x%08x.
1230 * genchecksum.c (dosum): Change format string placeholder
1231 from %#02x to 0x%02x.
1233 2010-05-02 Richard Guenther <rguenther@suse.de>
1235 PR tree-optimization/43879
1236 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1238 2010-05-02 Bruno Haible <bruno@clisp.org>
1240 * doc/extend.texi (Function Attributes): Fix a typo.
1242 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1245 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1246 placeholder from 0x%x to %#x.
1247 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1248 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1249 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1250 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1251 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1252 * config/i386/i386.c (ix86_target_string): Ditto.
1253 * config/i386/i386.c (output_pic_addr_const): Ditto.
1254 (print_operand): Ditto.
1256 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1258 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1259 placeholder from 0x%x to %#x.
1260 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1261 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1262 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1263 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1264 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1265 * optc-gen.awk: Ditto.
1266 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1267 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1268 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1269 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1271 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1273 * target.h (struct calls): Add function_value_regno_p field.
1274 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1275 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1276 * targhooks.c (default_function_value_regno_p): New function.
1277 * targhooks.h (default_function_value_regno_p): Declare function.
1278 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1279 * builtins.c. (apply_result_size): (Ditto.).
1280 * combine.c. (likely_spilled_retval_p): (Ditto.).
1281 * mode-switching.c. Include 'target.h'.
1282 (create_pre_exit): Use function_value_regno_p hook.
1283 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1284 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1285 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1287 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1288 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1289 (ix86_function_value_regno_p): Declare as static, change argument
1290 type to const unsigned int.
1291 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1293 2010-05-01 Richard Guenther <rguenther@suse.de>
1295 PR tree-optimization/43949
1296 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1298 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1300 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1302 * rtl.h (CONST_DOUBLE_P): Define.
1303 (rtx_to_double_int): Declare.
1304 * emit-rtl.c (rtx_to_double_int): New function.
1305 * dwarf2out.c (insert_double): New function.
1306 (loc_descriptor, add_const_value_attribute): Clean up, use
1307 rtx_to_double_int and insert_double functions.
1309 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1311 * doc/extend.texi (Inline): Add missing return keyword to examples.
1312 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1315 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1317 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1318 the variable part of the offset as well. Use highest_pow2_factor for
1319 all alignment checks.
1321 2010-04-30 Richard Guenther <rguenther@suse.de>
1323 PR tree-optimization/43879
1324 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1327 2010-04-30 Jan Hubicka <jh@suse.cz>
1329 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1331 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1333 2010-04-30 Jan Hubicka <jh@suse.cz>
1335 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1337 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1338 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1339 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1340 cgraph_node_set_needs_ltrans_p): Remove.
1342 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1344 * sdbout.c: Include vec.h, do not include varray.h.
1345 (deferred_global_decls, sdbout_global_decl,
1346 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1347 * toplev.c: Do not include varray.h.
1348 (dump_memory_report): Do not dump VARRAY statistics.
1349 * gengtype.c (open_base_file): Ignore varray.h.
1350 * Makefile.in: Update for abovementioned changes.
1351 Remove all traces of varray.c and varray.h.
1352 * varray.c: Remove file.
1353 * varray.h: Remove file.
1355 2010-04-30 Jan Hubicka <jh@suse.cz>
1357 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1360 2010-04-30 Jan Hubicka <jh@suse.cz>
1362 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1365 2010-04-30 Richard Guenther <rguenther@suse.de>
1367 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1368 constraints for CONSTRUCTOR.
1370 2010-04-30 Richard Guenther <rguenther@suse.de>
1373 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1374 first after all lowering passes.
1376 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1378 * toplev.c: Include varray.h for statistics dumping.
1379 * tree.h: Do not declare varray_head_tag.
1380 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1381 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1382 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1383 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1384 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1385 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1386 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1387 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1389 * Makefile.in: Update for abovementioned changes.
1391 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1394 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1396 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1398 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1399 Use this function to do machine-specific conversion.
1400 (picochip_legitimize_reload_address): Likewise.
1401 (picochip_legitimate_address_p): Check valid base register only if
1403 (picochip_check_conditional_copy): Check for modw only if opnd is
1405 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1406 to call the function in c.
1407 * config/picochip/picochip-protos.h
1408 (picochip_legitimize_reload_address): Define.
1409 * config/picochip/picochip.md (supported_compare1): Define.
1411 2010-04-30 Jan Hubicka <jh@suse.cz>
1413 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1414 (cgraph_global_info): Remove inlined.
1415 (LTO_cgraph_tag_names): Remove.
1416 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1417 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1418 simplify cgraph tags and document.
1419 (lto_output_node): Use only LTO_cgraph_unavail_node and
1420 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1421 for_functions_valid, global info, process and output flags.
1422 (input_overwrite_node): Initialize estimated stack size and
1423 estimated growth. Do not read flags we no longer store.
1424 (input_node): Likewise do not read info no longer stored.
1425 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1428 2010-04-30 Richard Guenther <rguenther@suse.de>
1430 PR tree-optimization/43879
1431 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1432 handle non-zero initializers.
1434 2010-04-30 Richard Guenther <rguenther@suse.de>
1436 * builtins.c (fold_builtin_1): Delete free (0).
1438 2010-04-29 Jan Hubicka <jh@suse.cz>
1440 * gengtype.c (open_base_files): Add lto-streamer.h
1441 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1442 (pass_ipa_cp): GGC collect.
1443 * toplev. (compile_file): Do not output symbols.
1444 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1445 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1446 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1447 * lto-section-in.c: Include ggc.h
1448 (lto_new_in_decl_state): Alloc in GGC.
1449 (lto_delete_in_decl_state): Likewise.
1450 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1453 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1456 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1457 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1458 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1459 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1460 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1461 account only if HONOR_REG_ALLOC_ORDER is not defined.
1462 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1463 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1465 2010-04-29 Jon Grant <04@jguk.org>
1467 * collect2.c (vflag): Change type from int to bool.
1469 (helpflag): New global bool.
1470 (main): Set vflag and debug with boolean, not integer truth values.
1471 Accept new "--help" option and output usage text if found.
1472 * collect2.h (vflag): Update prototype.
1475 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1478 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1480 2010-04-29 Richard Guenther <rguenther@suse.de>
1483 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1484 with ATTRIBUTE_UNUSED.
1486 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1489 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1490 INSN_P with NONDEBUG_INSN_P.
1491 (distance_non_agu_define): Likewise.
1492 (distance_agu_use): Likewise.
1494 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1496 From Dominique d'Humieres <dominiq@lps.ens.fr>
1498 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1501 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1503 * plugin.h (invoke_plugin_callbacks): New inline function.
1504 * plugin.c (flag_plugin_added): New global flag.
1505 (add_new_plugin): Initialize above flag.
1506 (invoke_plugin_callbacks): Rename to ...
1507 (invoke_plugin_callbacks_full): ... this.
1509 2010-04-28 Jan Hubicka <jh@suse.cz>
1511 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1512 (lto_varpool_replace_node): New.
1513 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1514 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1515 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1516 * cgraph.h (varpool_node_ptr): New type.
1517 (varpool_node_ptr): New vector.
1518 (varpool_node_set_def): New structure.
1519 (varpool_node_set): New type.
1520 (varpool_node_set): New vector.
1521 (varpool_node_set_element_def): New structure.
1522 (varpool_node_set_element, const_varpool_node_set_element): New types.
1523 (varpool_node_set_iterator): New type.
1524 (varpool_node): Add prev pointers, add used_from_other_partition,
1526 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1527 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1528 varpool_get_node, varpool_remove_node): Declare.
1529 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1530 varpool_node_set_size): New inlines.
1531 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1532 * tree-pass.h (varpool_node_set_def): Forward declare.
1533 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1534 (ipa_write_optimization_summaries): Update prototype.
1535 * ipa-cp.c (ipcp_write_summary): Update.
1536 * ipa-reference.c (ipa_reference_write_summary): Update.
1537 * lto-cgraph.c (lto_output_varpool_node): New static function.
1538 (output_varpool): New function.
1539 (input_varpool_node): New static function.
1540 (input_varpool_1): New function.
1541 (input_cgraph): Input varpool.
1542 * ipa-pure-const.c (pure_const_write_summary): Update.
1543 * lto-streamer-out.c (lto_output): Update, output varpool too.
1544 (write_global_stream): Kill WPA hack.
1545 (produce_asm_for_decls): Update.
1546 (output_alias_pair_p): Handle variables.
1547 (output_unreferenced_globals): Output only needed partition of varpool.
1548 * ipa-inline.c (inline_write_summary): Update.
1549 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1551 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1552 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1553 varpool_node_set_new, varpool_node_set_add,
1554 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1555 debug_varpool_node_set): New functions.
1556 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1557 (execute_one_pass): Process new decls too.
1558 (ipa_write_summaries_2): Pass around vsets.
1559 (ipa_write_summaries_1): Likewise.
1560 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1562 (ipa_write_optimization_summaries_1): Pass around vsets.
1563 (ipa_write_optimization_summaries): Likewise.
1564 * varpool.c (varpool_get_node): New.
1565 (varpool_node): Update doubly linked lists.
1566 (varpool_remove_node): New.
1567 (dump_varpool_node): More dumping.
1568 (varpool_enqueue_needed_node): Update doubly linked lists.
1569 (decide_is_variable_needed): Kill ltrans hack.
1570 (varpool_finalize_decl): Kill lto hack.
1571 (varpool_assemble_decl): Skip decls in other partitions.
1572 (varpool_assemble_pending_decls): Update doubly linkes lists.
1573 (varpool_empty_needed_queue): Likewise.
1574 (varpool_extra_name_alias): Likewise.
1575 * lto-streamer.c (lto_get_section_name): Add vars section.
1576 * lto-streamer.h (lto_section_type): Update.
1577 (output_varpool, input_varpool): Declare.
1579 2010-04-28 Mike Stump <mikestump@comcast.net>
1581 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1583 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1585 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1586 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1587 (lto_input_ts_type_tree_pointers): Likewise.
1588 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1589 (lto_output_ts_type_tree_pointers): Likewise.
1591 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1593 Uniquization of constants at the Tree level
1594 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1595 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1597 (tree_output_constant_def): Declare.
1598 * gimplify.c (gimplify_init_constructor): When using block copy, first
1599 uniquize the constant constructor on the RHS.
1600 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1601 DECL_IN_CONSTANT_POOL flag.
1602 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1603 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1605 (assemble_variable): Deal with symbols belonging to the tree constant
1607 (get_constant_section): Add ALIGN parameter and simplify.
1608 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1609 (assemble_constant_contents): Use the expression of the VAR_DECL.
1610 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1611 (tree_output_constant_def): New global function.
1612 (mark_constant): Use the expression of the VAR_DECL.
1613 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1615 (output_object_block): Likewise and assemble the expression.
1617 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1619 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1620 hash_tree, eq_tree): New tree hash table.
1621 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1622 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1623 lto_orig_address_remove): Reimplement.
1625 2010-04-28 Xinliang David Li <davidxl@google.com>
1628 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1629 (compute_uninit_opnds_pos): New function.
1630 (is_non_loop_exit_postdominating): New function.
1631 (compute_control_dep_chain): New function.
1632 (find_pdom): New function.
1633 (convert_control_dep_chain_into_preds): New function.
1634 (find_predicates): New function.
1635 (find_control_equiv_block): New function.
1636 (collect_phi_def_edges): New function.
1637 (find_def_preds): New function.
1638 (find_dom): New function.
1639 (dump_predicates): New function.
1640 (get_cmp_code): New function.
1641 (is_value_included_in): New function.
1642 (find_matching_predicate_in_rest_chains): New function.
1643 (use_pred_not_overlap_with_undef_path_pred): New function.
1644 (is_use_properly_guarded): New function.
1645 (normalize_cond_1): New function.
1646 (is_and_or_or): New function.
1647 (normalize_cond): New function.
1648 (is_gcond_subset_of): New function.
1649 (is_subset_of_any): New function.
1650 (is_or_set_subset_of): New function.
1651 (is_and_set_subset_of): New function.
1652 (is_norm_cond_subset_of): New function.
1653 (is_pred_expr_subset_of): New function.
1654 (is_pred_chain_subset_of): New function.
1655 (is_included_in): New function.
1656 (is_superset_of): New function.
1657 (find_uninit_use): New function.
1658 (warn_uninitialized_phi): New function.
1659 (compute_possibly_undefined_names): New function.
1660 (ssa_undefined_value_p): New function.
1661 (execute_late_warn_uninitialized): New function.
1662 * tree-ssa.c (ssa_undefined_value_p): Removed.
1663 (warn_uninit): Changed to extern.
1664 (warn_uninitialized_phi): Removed.
1665 (warn_uninitialized_vars): Changed to extern.
1666 (execute_late_warn_uninitialized): Removed
1667 * tree-flow.h: Add new prototypes.
1668 * timevar.def: Add new time variable.
1669 * Makefile.in: Add new build file.
1671 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1673 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1676 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1679 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1681 2010-04-28 Martin Jambor <mjambor@suse.cz>
1683 * cgraph.h (struct cgraph_node): New field indirect_calls.
1684 (struct cgraph_indirect_call_info): New type.
1685 (struct cgraph_edge): Removed field indirect_call. New fields
1686 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1687 (cgraph_create_indirect_edge): Declare.
1688 (cgraph_make_edge_direct): Likewise.
1689 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1690 * ipa-prop.h (struct ipa_param_call_note): Removed.
1691 (struct ipa_node_params): Removed field param_calls.
1692 (ipa_create_all_structures_for_iinln): Declare.
1693 * cgraph.c: Described indirect edges and uids in initial comment.
1694 (cgraph_add_edge_to_call_site_hash): New function.
1695 (cgraph_edge): Search also among the indirect edges, use
1696 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1697 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1698 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1700 (initialize_inline_failed): Assign a reason to indirect edges.
1701 (cgraph_create_edge_1): New function.
1702 (cgraph_create_edge): Moved some functionality to
1703 cgraph_create_edge_1.
1704 (cgraph_create_indirect_edge): New function.
1705 (cgraph_edge_remove_callee): Add an assert checking for
1707 (cgraph_edge_remove_caller): Special-case indirect edges.
1708 (cgraph_remove_edge): Likewise.
1709 (cgraph_set_edge_callee): New function.
1710 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1711 (cgraph_make_edge_direct): New function.
1712 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1713 the declaration of the call statement matches.
1714 (cgraph_node_remove_callees): Special-case indirect edges.
1715 (cgraph_clone_edge): Likewise.
1716 (cgraph_clone_node): Clone also the indirect edges.
1717 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1718 indirect_call, dump count of indirect_calls edges.
1719 * ipa-prop.c (iinlining_processed_edges): New variable.
1720 (ipa_note_param_call): Create indirect edges instead of
1721 creating notes. New parameter node.
1722 (ipa_analyze_call_uses): New parameter node, pass it on to
1723 ipa_note_param_call.
1724 (ipa_analyze_stmt_uses): Likewise.
1725 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1726 (print_edge_addition_message): Work on edges rather than on notes.
1727 (update_call_notes_after_inlining): Likewise, renamed to
1728 update_indirect_edges_after_inlining.
1729 (ipa_create_all_structures_for_iinln): New function.
1730 (ipa_free_node_params_substructures): Do not free notes.
1731 (ipa_edge_duplication_hook): Propagate bits within
1732 iinlining_processed_edges bitmap.
1733 (ipa_node_duplication_hook): Do not duplicate notes.
1734 (free_all_ipa_structures_after_ipa_cp): Renamed to
1735 ipa_free_all_structures_after_ipa_cp.
1736 (free_all_ipa_structures_after_iinln): Renamed to
1737 ipa_free_all_structures_after_iinln.
1738 (ipa_write_param_call_note): Removed.
1739 (ipa_read_param_call_note): Removed.
1740 (ipa_write_indirect_edge_info): New function.
1741 (ipa_read_indirect_edge_info): Likewise.
1742 (ipa_write_node_info): Do not stream notes, do stream information
1744 (ipa_read_node_info): Likewise.
1745 (lto_ipa_fixup_call_notes): Removed.
1746 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1747 * ipa-inline.c (pass_ipa_inline): Likewise.
1748 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1749 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1750 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1752 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1754 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1755 (output_cgraph): Stream also indirect edges.
1756 (lto_output_edge): Added capability to stream indirect edges.
1757 (input_edge): Likewise.
1758 (input_cgraph_1): Likewise.
1759 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1762 2010-04-28 Richard Guenther <rguenther@suse.de>
1764 PR tree-optimization/43879
1765 PR tree-optimization/43909
1766 * tree-ssa-structalias.c (struct variable_info): Add
1767 only_restrict_pointers flag.
1768 (new_var_info): Initialize it. Increment stats.total_vars here.
1769 (create_function_info_for): Do not increment stats.total_vars here.
1770 (get_function_part_constraint): Fix build with C++.
1771 (insert_into_field_list): Remove.
1772 (push_fields_onto_fieldstack): Properly merge fields.
1773 (create_variable_info_for): Split and simplify.
1774 (create_variable_info_for_1): New piece.
1775 (intra_create_variable_infos): Properly make restrict constraints
1778 2010-04-28 Richard Guenther <rguenther@suse.de>
1781 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1783 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1784 Jan Hubicka <hubicka@ucw.cz>
1786 * doc/invoke.texi (-Wsuggest-attribute=const,
1787 -Wsuggest-attribute=pure): Document.
1788 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1789 (function_always_visible_to_compiler_p,
1790 suggest_attribute, warn_function_pure, warn_function_const):
1792 (check_call): Improve debug info.
1793 (analyze_function): Do not check availability.
1794 (add_new_function): Check availability.
1795 (propagate): Output warnings.
1796 (skip_function_for_local_pure_const): New function.
1797 (local_pure_const): Use it; output warnings.
1798 * common.opt (Wsuggest-attribute=const,
1799 Wsuggest-attribute=pure): New.
1801 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1803 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1804 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1805 or DW_CFA_def_cfa_offset{,_sf}.
1807 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1809 * tree.h: Fix truncated long macros.
1811 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1813 * collect2.c (TARGET_64BIT): Redefine to target's default.
1814 * tlink.c: Likewise.
1815 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1816 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1817 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1818 for underscoring __USER_LABEL_PREFIX__.
1819 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1820 (SUB_LINK_ENTRY32): New.
1821 (SUB_LINK_ENTRY64): New.
1822 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1823 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1824 (SUB_LINK_ENTRY64): New.
1825 (SUB_LINK_ENTRY): New.
1826 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1827 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1828 x64 target is choosen.
1829 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1830 * configure: Regenerated.
1831 * configure.ac (leading-mingw64-underscores): Option added.
1833 2010-04-27 Jan Hubicka <jh@suse.cz>
1835 * doc/invoke.texi (-fipa-profile): Document.
1836 * opts.c (decode_options): Enable ipa-profile at -O1.
1837 * timevar.def (TV_IPA_PROFILE): Define.
1838 * common.opt (fipa-profile): Add.
1839 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1841 (cgraph_propagate_frequency): Handle only local ones.
1842 * tree-pass.h (pass_ipa_profile): Declare.
1843 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1844 (pass_ipa_profile): Use TV_IPA_PROFILE.
1845 * ipa.c (ipa_profile): New function.
1846 (gate_ipa_profile): Likewise.
1847 (pass_ipa_profile): New global variable.
1848 * passes.c (pass_ipa_profile): New.
1850 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1852 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1854 2010-04-27 Martin Jambor <mjambor@suse.cz>
1857 * ipa.c (dissolve_same_comdat_group_list): New function.
1858 (function_and_variable_visibility): Call
1859 dissolve_same_comdat_group_list when comdat group contains external or
1861 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1862 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1864 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1866 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1867 (const_hash_1) <VECTOR_CST>: New case.
1868 (compare_constant) <VECTOR_CST>: Likewise.
1869 <ADDR_EXPR>: Deal with LABEL_REFs.
1870 (copy_constant) <VECTOR_CST>: New case.
1872 2010-04-27 Jan Hubicka <jh@suse.cz>
1874 * cgraph.c (cgraph_propagate_frequency): New function.
1875 * cgraph.h (cgraph_propagate_frequency): Declare.
1876 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1877 cgraph_propagate_frequency.
1879 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1881 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1883 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1886 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1887 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1888 here to determine which regs to push and how much stack to reserve.
1890 2010-04-27 Jie Zhang <jie@codesourcery.com>
1892 * doc/gimple.texi (gimple_statement_with_ops): Remove
1893 addresses_taken field.
1894 (gimple_statement_with_memory_ops): Likewise.
1896 2010-04-27 Jan Hubicka <jh@suse.cz>
1898 * tree-inline.c (eni_inlining_weights): Remove.
1899 (estimate_num_insns): Special case more builtins.
1901 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1904 * c-typeck.c (build_binary_op): Move forward check for comparison
1905 pointer with null pointer constant and adjust the diagnostic message.
1907 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1910 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1911 binutils supports extended .section directive needed by LTO, or
1912 warn if older binutils found.
1913 (LTO_BINARY_READER): New AC_SUBST'd variable.
1914 (LTO_USE_LIBELF): Likewise.
1915 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1917 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1918 (LTO_USE_LIBELF): Likewise.
1919 * configure: Regenerate.
1921 * collect2.c (is_elf): Rename from this ...
1922 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1923 object files in addition to ELF-formatted ones.
1924 (scan_prog_file): Caller updated. Also allow for LTO info marker
1925 symbol to be prefixed or not by an extra underscore.
1927 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1928 * config/i386/winnt.c: Also #include lto-streamer.h
1929 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1931 (i386_pe_asm_output_aligned_decl_common): Add comment.
1932 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1934 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1937 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1938 Add missing earlyclobber for second alternative.
1940 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1942 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1943 bits for artificial defs at the top of the block.
1944 * fwprop.c (single_def_use_enter_block): Don't call it.
1946 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1949 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1950 instead of "$gcc_cv_objdump -T".
1951 Use "-undefined dynamic_lookup" on darwin.
1952 * gcc/configure: Regenerate.
1954 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1957 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1959 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1961 * c-parser.c (struct c_token): Move location field up.
1962 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1963 (struct c_declspecs): Convert typespec_word, storage_class, and
1964 default_int_p into bitfields.
1965 (struct c_declarator): Move loc field up.
1967 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1969 * cfgloop.h (struct loop): Move can_be_parallel field up.
1970 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1971 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1973 (struct iv_cand): Convert pos field into a bitfield.
1974 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1976 (struct _stmt_vec_info): Shuffle fields for better packing.
1978 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1980 * varasm.c (IN_NAMED_SECTION): Remove guard.
1981 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1982 (IN_NAMED_SECTION_P): ...this.
1983 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1984 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1986 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1988 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1989 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1990 of shadowing it. Fix comments.
1992 2010-04-26 Jan Hubicka <jh@suse.cz>
1994 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1995 (cgraph_clone_node): Copy function frequency.
1996 * cgraph.h (node_frequency): New enum
1997 (struct cgraph_node): Add.
1998 * final.c (rest_of_clean_state): Update.
1999 * lto-cgraph.c (lto_output_node): Output node frequency.
2000 (input_overwrite_node): Input node frequency.
2001 * tre-ssa-loop-ivopts (computation_cost): Update.
2002 * lto-streamer-out.c (output_function): Do not output function
2004 * predict.c (maybe_hot_frequency_p): Update and handle functions
2006 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2008 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2009 (compute_function_frequency): Set noreturn functions to be executed
2011 (choose_function_section): Update.
2012 * lto-streamer-in.c (input_function): Do not input function frequency.
2013 * function.c (allocate_struct_function): Do not initialize function
2015 * function.h (function_frequency): Remove.
2016 (struct function): Remove function frequency.
2017 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2018 (try_update): Update.
2019 * tree-inline.c (initialize_cfun): Do not update function frequency.
2020 * passes.c (pass_init_dump_file): Update.
2021 * i386.c (ix86_compute_frame_layout): Update.
2022 (ix86_pad_returns): Update.
2024 2010-04-26 Jie Zhang <jie@codesourcery.com>
2026 PR tree-optimization/43833
2027 * tree-vrp.c (range_int_cst_p): New.
2028 (range_int_cst_singleton_p): New.
2029 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2030 when both operands are constants. Use range_int_cst_p in
2033 2010-04-26 Jan Hubicka <jh@suse.cz>
2035 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2037 2010-04-26 Richard Guenther <rguenther@suse.de>
2040 * gimple.c (gimple_decl_printable_name): Deal gracefully
2041 with a NULL DECL_NAME.
2043 2010-04-26 Richard Guenther <rguenther@suse.de>
2046 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2047 if emitting debug information and it is either a function
2048 or a namespace decl.
2050 2010-04-26 Ira Rosen <irar@il.ibm.com>
2052 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2053 determine if the statement is vectorizable, and a macro to access it.
2054 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2055 Skip statements that can't be vectorized. If the analysis fails,
2056 mark the statement as unvectorizable if vectorizing basic block.
2057 (vect_compute_data_refs_alignment): Likewise.
2058 (vect_verify_datarefs_alignment): Skip statements marked as
2059 unvectorizable. Add print.
2060 (vect_analyze_group_access): Skip statements that can't be
2061 vectorized. If the analysis fails, mark the statement as
2062 unvectorizable if vectorizing basic block.
2063 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2064 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2065 generated stmts for SLP.
2066 (new_stmt_vec_info): Initialize the new field.
2067 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2068 statements marked as unvectorizable.
2070 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2072 * c-common.c (flag_isoc1x): New.
2073 (flag_isoc99): Update comment.
2074 * c-common.h (flag_isoc1x): New.
2075 (flag_isoc99): Update comment.
2076 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2077 __<type>_DECIMAL_DIG__.
2078 * c-opts.c (set_std_c1x): New.
2079 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2080 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2081 * c.opt (-std=c1x, -std=gnu1x): New options.
2082 * doc/cpp.texi: Mention -std=c1x.
2083 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2084 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2085 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2086 * doc/standards.texi: Mention C1X.
2087 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2088 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2089 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2092 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2094 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2095 placeholder from 0x%x to %#x.
2096 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2097 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2098 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2099 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2100 * config/i386/i386.c (ix86_target_string): Ditto.
2101 (output_pic_addr_const): Ditto.
2102 (print_operand): Ditto.
2104 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2106 * combine.c (find_split_point): Add third argument. Use it
2107 to find nested multiply-accumulate instructions. Adjust calls.
2108 (try_combine): Adjust call to find_split_point.
2110 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2112 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2114 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2116 PR tree-optimization/41442
2117 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2118 (fold_binary_loc): Call it.
2120 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2122 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2123 * opts.c (common_handle_option): Allow disabling it.
2124 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2126 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2128 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2129 between modes if both types are integral.
2131 2010-04-23 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/43572
2134 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2136 2010-04-23 Richard Guenther <rguenther@suse.de>
2139 * tree-inline.c (tree_can_inline_p): Also check compatibility
2142 2010-04-23 Martin Jambor <mjambor@suse.cz>
2144 PR tree-optimization/43846
2145 * tree-sra.c (struct access): New flag grp_assignment_read.
2146 (build_accesses_from_assign): Set grp_assignment_read.
2147 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2148 (enum mark_read_status): New type.
2149 (analyze_access_subtree): Propagate grp_assignment_read, create
2150 accesses also if both direct_read and root->grp_assignment_read.
2152 2010-04-23 Martin Jambor <mjambor@suse.cz>
2155 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2156 function does not have type attributes.
2158 2010-04-23 Richard Guenther <rguenther@suse.de>
2161 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2164 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2166 * sese.h (create_if_region_on_edge): Remove.
2168 * sese.c (create_if_region_on_edge): Make static.
2170 * tree-inline.c: Do not include ggc.h.
2172 * expr.c: Do not include ggc.h.
2174 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2177 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2180 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2181 in the middle of insns for casesi_worker_2.
2183 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2185 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2187 2010-04-22 Ira Rosen <irar@il.ibm.com>
2189 PR tree-optimization/43842
2190 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2191 loop unrolling in update of exit phis. Fix comment.
2192 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2193 least two reduction statements in the loop before starting SLP
2196 2010-04-22 Nick Clifton <nickc@redhat.com>
2198 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2200 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2202 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2205 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2207 * tree-parloops.c (loop_parallel_p): New argument
2208 parloop_obstack. Pass it down.
2209 (parallelize_loops): New variable parloop_obstack. Initialize it,
2210 pass it down, free it.
2212 * tree-loop-linear.c (linear_transform_loops): Pass down
2215 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2216 of type struct obstack *.
2218 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2219 scratch_obstack. Initialize it, pass down, free it.
2221 * lambda.h (lambda_loop_new): Remove.
2222 (lambda_matrix_new, lambda_matrix_inverse)
2223 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2224 argument of type struct obstack *.
2226 * lambda-trans.c (lambda_trans_matrix_new): New argument
2227 lambda_obstack. Pass it down, use obstack allocation for ret.
2228 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2231 * lambda-mat.c (lambda_matrix_get_column)
2232 (lambda_matrix_project_to_null): Remove.
2233 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2235 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2238 * lambda-code.c (lambda_loop_new): New function.
2239 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2240 (lambda_compute_auxillary_space, lambda_compute_target_space)
2241 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2242 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2243 (build_access_matrix): New argument lambda_obstack. Use obstack
2245 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2246 argument lambda_obstack. Pass it down.
2248 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2250 * optabs.h (expand_widening_mult): Declare.
2252 2010-04-22 Richard Guenther <rguenther@suse.de>
2254 PR tree-optimization/43845
2255 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2256 lookup the CALL_EXPR function and arguments.
2258 2010-04-22 Nick Clifton <nickc@redhat.com>
2260 * config/stormy16/stormy16.c
2261 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2262 * config/stormy16/stormy16.h: Tidy up formatting.
2263 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2264 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2265 (ineqbranchsi): Delete pattern.
2266 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2267 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2268 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2269 stormy16-lib2-ucmpsi2.c.
2271 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2273 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2274 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2275 extra set merge_set_noclobber, and use it to relax the final test
2277 * df.h (df_simulate_find_noclobber_defs): Declare.
2278 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2280 (df_simulate_find_noclobber_defs): New function.
2282 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2284 * config/i386/i386.md: Use {} around multi-line preparation statements.
2286 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2288 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2289 (process_init_element): New argument of type struct obstack *.
2291 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2292 (set_init_index, set_init_label, set_nonincremental_init)
2293 (set_nonincremental_init_from_string, find_init_member)
2294 (output_init_element, output_pending_init_elements)
2295 (process_init_element): New argument braced_init_obstack. Pass it
2297 (push_range_stack, add_pending_init): New argument
2298 braced_init_obstack. Use obstack allocation.
2300 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2301 braced_init_obstack. Pass it down.
2302 (c_parser_braced_init): New variables ret, braced_init_obstack.
2303 Initialize obstack, pass it down and finally free it.
2305 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2308 * tree-pass.h (pass_optimize_widening_mul): Declare.
2309 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2310 gate_optimize_widening_mul): New static functions.
2311 (pass_optimize_widening_mul): New.
2312 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2313 <case MULT_EXPR>: Remove support for widening multiplies.
2314 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2315 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2316 simplify_gen_unary rather than directly building extensions.
2317 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2319 * expmed.c (expand_widening_mult): New function.
2320 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2322 2010-04-21 Jan Hubicka <jh@suse.cz>
2324 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2325 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2326 * lto-wpa-fixup.c: Remove.
2327 * Makefile.in (lto-wpa-fixup.o): Remove.
2328 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2329 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2330 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2332 2010-04-21 Jan Hubicka <jh@suse.cz>
2334 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2335 add write_optimization_summary, read_optimization_summary.
2336 (ipa_write_summaries_of_cgraph_node_set): Remove.
2337 (ipa_write_optimization_summaries): Declare.
2338 (ipa_read_optimization_summaries): Declare.
2339 * ipa-cp.c (pass_ipa_cp): Update.
2340 * ipa-reference.c (pass_ipa_reference): Update.
2341 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2342 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2344 * ipa-inline.c (pass_ipa_inline): Update.
2345 * ipa.c (pass_ipa_whole_program): Update.
2346 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2347 * passes.c (ipa_write_summaries_1): Do not test wpa.
2348 (ipa_write_optimization_summaries_1): New.
2349 (ipa_write_optimization_summaries): New.
2350 (ipa_read_summaries): Do not test ltrans.
2351 (ipa_read_optimization_summaries_1): New.
2352 (ipa_read_optimization_summaries): New.
2354 2010-04-21 Jan Hubicka <jh@suse.cz>
2356 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2358 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2360 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2363 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2364 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2366 2010-04-21 Jan Hubicka <jh@suse.cz>
2368 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2370 2010-04-21 Jan Hubicka <jh@suse.cz>
2372 * varpool.c (decide_is_variable_needed): Variable is always needed
2375 2010-04-21 Jan Hubicka <jh@suse.cz>
2377 * opts.c (decode_options): Enable pure-const pass for whopr.
2379 2010-04-21 Jan Hubicka <jh@suse.cz>
2381 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2382 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2384 (cgraph_decide_inlining): Do not expect callee to be removed in all
2387 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2389 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2391 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2393 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2394 amdfam10_decode attributes.
2396 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2399 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2400 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2401 (lower_copyprivate_clauses): Use private var in outer
2402 context instead of original var. Make sure the types
2403 are correct for VLAs.
2405 2010-04-21 Richard Guenther <rguenther@suse.de>
2407 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2408 to non-pointer objects.
2410 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2412 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2413 last chain entry if it starts with the still current label.
2414 (add_location_or_const_value_attribute): Check that
2415 loc_list->first->next is NULL instead of comparing ->first with ->last.
2416 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2417 to add_var_loc_to_decl.
2419 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2420 >= 4 add also address size and segment size fields into CIE header.
2422 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2423 long as address size is the same as sizeof (void *) and
2425 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2426 address size or segment size is unexpected, return DW_EH_PE_omit.
2427 (classify_object_over_fdes): If get_cie_encoding returned
2428 DW_EH_PE_omit, return -1.
2429 (init_object): If classify_object_over_fdes returned -1,
2430 pretend there were no FDEs at all.
2432 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2434 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2435 bswap{si,di}2 using SWI48 mode iterator.
2436 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2437 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2438 set modrm attribute of bswap insn to 0 and remove length attribute.
2439 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2440 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2441 set mode attribute to <MODE> and remove length attribute.
2443 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2445 PR rtl-optimization/43520
2446 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2447 zero available registers.
2449 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2451 * builtins.c (fold_builtin_cproj): Fold more cases.
2453 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2455 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2456 (fold_builtin_1): Fold builtin cproj.
2457 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2458 Use ATTR_CONST_NOTHROW_LIST.
2460 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2462 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2463 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2464 ffsi2_no_cmove for !TARGET_CMOVE.
2465 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2466 (ffssi2): Remove expander.
2467 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2469 (ctz<mode>2): Ditto from ctz{si,di}2.
2470 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2472 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2475 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2477 * dwarf2out.c (AT_linkage_name): Define.
2478 (clone_as_declaration): Handle DW_AT_linkage_name.
2479 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2480 of DW_AT_MIPS_linkage_name.
2481 (move_linkage_attr): Likewise.
2482 (dwarf2out_finish): Likewise.
2484 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2487 * fold-const.c (fold_comparison): New folding rule.
2489 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2491 * double-int.h (double_int_setbit): Declare.
2492 * double-int.c (double_int_setbit): New function.
2493 * rtl.h (immed_double_int_const): Declare.
2494 * emit-rtl.c (immed_double_int_const): New function.
2495 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2496 and immed_double_int_const functions.
2497 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2498 expand_copysign_bit): (Ditto.).
2499 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2500 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2501 * dojump.c (prefer_and_bit_test): (Ditto.).
2502 * expr.c (convert_modes, reduce_to_bit_field_precision,
2503 const_vector_from_tree): (Ditto.).
2504 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2506 2010-04-20 Jan Hubicka <jh@suse.cz>
2508 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2509 (dump_cgraph_node): Dump new flags.
2510 * cgraph.h (struct cgraph_node): Add flags
2511 reachable_from_other_partition and in_other_partition.
2512 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2513 other partition can not be removed.
2514 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2515 the other partition must be output; silence sanity checking on
2516 leaking functions bodies from other paritition.
2517 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2518 (lto_output_node): Output new flags; do not sanity check that inline
2519 clones are output; drop lto_forced_extern_inline_p code; do not mock
2520 visibility flags at partition boundaries.
2521 (add_node_to): New function.
2522 (output_cgraph): Use it to sort functions so masters appear before
2524 (input_overwrite_node): Input new flags.
2525 * passes.c (ipa_write_summaries): Do not call
2526 lto_new_extern_inline_states.
2527 * lto-section-out.c (forced_extern_inline,
2528 lto_new_extern_inline_states lto_delete_extern_inline_states,
2529 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2530 * lto-streamer.h (lto_new_extern_inline_states,
2531 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2532 lto_forced_extern_inline_p): Kill.
2534 2010-04-20 Richard Guenther <rguenther@suse.de>
2536 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2537 from vars that can have pointers.
2538 (process_constraint): Dump useless constraints.
2540 2010-04-20 Richard Guenther <rguenther@suse.de>
2542 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2543 (dump_sa_points_to_info): Remove asserts.
2544 (init_base_vars): nothing_id isn't an escape point nor does it
2547 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2549 * tree.h (TYPE_REF_IS_RVALUE): Define.
2550 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2551 should_move_die_to_comdat, prune_unused_types_walk): Handle
2552 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2553 (modified_type_die, gen_reference_type_die): Emit
2554 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2555 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2557 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2560 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2561 calls for -fpic -m31 if they have been sibcall optimized.
2563 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2565 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2566 ar.lc fixed and call-used.
2568 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2570 2010-04-19 Jan Hubicka <jh@suse.cz>
2572 * opts.c (decode_options): Disable whpr incompatible passes.
2573 * lto/lto.c (lto_1_to_1_map): Skip clones.
2574 (read_cgraph_and_symbols): Do not mark everything as needed.
2575 (do_whole_program_analysis): Do map only after optimizing;
2576 set proper cgraph_state; use passmanager.
2578 2010-04-19 DJ Delorie <dj@redhat.com>
2580 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2581 POINTER_PLUS_EXPR and fix them.
2583 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2585 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2586 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2587 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2588 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2589 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2590 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2591 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2592 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2593 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2594 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2595 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2597 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2599 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2600 (check_cond_move_block): Likewise.
2601 (cond_move_process_if_block): Likewise.
2602 (noce_find_if_block): Improve formatting.
2603 (find_if_header): Pass 0 to memset and tweak conditions.
2604 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2606 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2608 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2612 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2613 with non-local decl doesn't need chain.
2615 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2617 * ira-color.c (allocno_reload_assign): Avoid accumulating
2618 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2620 2010-04-19 Martin Jambor <mjambor@suse.cz>
2622 * gimple.h (create_tmp_reg): Declare.
2623 * gimplify.c (create_tmp_reg): New function.
2624 (gimplify_return_expr): Use create_tmp_reg.
2625 (gimplify_omp_atomic): Likewise.
2626 (gimple_regimplify_operands): Likewise.
2627 * tree-dfa.c (make_rename_temp): Likewise.
2628 * tree-predcom.c (predcom_tmp_var): Likewise.
2629 (reassociate_to_the_same_stmt): Likewise.
2630 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2631 (get_replaced_param_substitute): Likewise.
2632 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2633 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2634 * tree-ssa-pre.c (get_representative_for): Likewise.
2635 (create_expression_by_pieces): Likewise.
2636 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2637 (create_tailcall_accumulator): Likewise.
2639 2010-04-19 Martin Jambor <mjambor@suse.cz>
2641 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2643 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2645 2010-04-19 Richard Guenther <rguenther@suse.de>
2647 PR tree-optimization/43796
2648 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2649 from SCEV in the lattice.
2650 (vrp_visit_phi_node): Dump change.
2652 2010-04-19 Richard Guenther <rguenther@suse.de>
2654 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2655 * configure: Re-generated.
2657 2010-04-19 Richard Guenther <rguenther@suse.de>
2659 PR tree-optimization/43783
2660 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2661 constant ARRAY_REF operands two and three if possible.
2663 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2666 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2668 2010-04-19 Jie Zhang <jie@codesourcery.com>
2671 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2673 2010-04-19 Ira Rosen <irar@il.ibm.com>
2675 PR tree-optimization/37027
2676 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2677 and macro to access it.
2678 (vectorizable_reduction): Add argument.
2679 (vect_get_slp_defs): Likewise.
2680 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2681 statements for possible use in SLP.
2682 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2683 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2684 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2686 (vectorizable_reduction): Likewise.
2687 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2689 (vectorizable_type_demotion, vectorizable_type_promotion,
2690 vectorizable_store): Likewise.
2691 (vect_analyze_stmt): Update call to vectorizable_reduction.
2692 (vect_transform_stmt): Likewise.
2693 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2694 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2695 from different interleaving chains in same node.
2696 (vect_slp_rearrange_stmts): New function.
2697 (vect_supported_load_permutation_p): Allow load permutations for
2698 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2699 inside SLP nodes if necessary.
2700 (vect_analyze_slp_instance): Handle reductions.
2701 (vect_analyze_slp): Try to build SLP instances originating from groups
2703 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2704 (vect_get_constant_vectors): Create initial vectors for reductions
2705 according to reduction code. Add new argument.
2706 (vect_get_slp_defs): Add new argument, pass it to
2707 vect_get_constant_vectors.
2708 (vect_schedule_slp_instance): Remove SLP tree root statements.
2710 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2712 * tree.h (ENUM_IS_SCOPED): Define.
2713 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2714 for ENUM_IS_SCOPED enums.
2716 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2718 * fold-const.c (fold_comparison): Use ssizetype.
2719 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2720 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2721 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2722 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2724 * tree.h (initialize_sizetypes): Remove parameter.
2725 (build_common_tree_nodes): Remove second parameter.
2726 * stor-layout.c (initialize_sizetypes): Remove parameter.
2727 Always create an unsigned type.
2728 (set_sizetype): Assert that the passed type is unsigned and simplify.
2729 * tree.c (build_common_tree_nodes): Remove second parameter.
2730 Adjust call to initialize_sizetypes.
2731 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2732 build_common_tree_nodes.
2734 2010-04-18 Matthias Klose <doko@ubuntu.com>
2736 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2738 2010-04-18 Ira Rosen <irar@il.ibm.com>
2740 PR tree-optimization/43771
2741 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2742 load permutation doesn't have gaps.
2744 2010-04-18 Jan Hubicka <jh@suse.cz>
2746 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2747 (sse_prologue_save_insn expander): Use new pattern.
2748 (sse_prologue_save_insn1): New pattern and splitter.
2749 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2751 * i386.c (setup_incoming_varargs_64): Do not compute jump
2753 (ix86_gimplify_va_arg): Update alignment needed.
2754 (ix86_local_alignment): Do not align all local arrays to 128bit.
2756 2010-04-17 Jan Hubicka <jh@suse.cz>
2758 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2760 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2762 * arm.md (negdi2): Remove redundant code to force values into a
2765 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2767 * arm/bpabi.S: Add EABI alignment attributes to objects.
2768 * arm/bpabi-v6m.S: Likewise.
2769 * arm/crti.asm: Likewise.
2770 * arm/crtn.asm: Likewise.
2771 * arm/lib1funcs.asm: Likewise.
2772 * arm/libunwind.S: Likewise.
2774 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2776 * arm-protos.h (tune_params): New structure.
2777 * arm.c (current_tune): New variable.
2778 (arm_constant_limit): Delete.
2779 (struct processors): Add pointer to the tune parameters.
2780 (arm_slowmul_tune): New tuning option.
2781 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2782 (all_cores): Adjust to pick up the tuning model.
2783 (arm_constant_limit): New function.
2784 (arm_override_options): Select the appropriate tuning model. Delete
2785 initialization of arm_const_limit.
2786 (arm_split_constant): Use the new constant-limit model.
2787 (arm_rtx_costs): Pick up the current tuning model.
2788 * arm.md (is_strongarm, is_xscale): Delete.
2789 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2790 for Xscale variant architectures.
2791 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2793 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2795 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2797 (arm_rtx_costs_1): Remove unused variable extra_cost.
2798 (arm_unwind_emit_set): Use variable offset.
2799 (thumb1_output_casesi): Remove unused variable flags.
2801 2010-04-16 Jeff Law <law@redhat.com>
2803 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2804 needing assignment rather than doing a two-phase assignment. Remove
2805 unused variable 'm'.
2807 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2810 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2812 2010-04-16 Doug Kwan <dougkwan@google.com>
2814 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2815 (next_operand_entry_id): New static variable.
2816 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2817 (add_to_ops_vec): Assigned unique ID to operand entry.
2818 (struct oecount_s): New field ID.
2819 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2820 (undistribute_ops_list): Assign unique IDs to oecounts.
2821 (init_reassoc): reset next_operand_entry_id.
2823 2010-04-16 Doug Kwan <dougkwan@google.com>
2825 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2826 missing left parenthesis.
2828 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2830 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2831 *btdi_rex64 using SWI48 mode iterator.
2832 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2833 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2834 *jcc_btdi_mask_rex64.
2836 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2838 * double-int.h (tree_to_double_int): Convert to macro.
2839 * double-int.c (tree_to_double_int): Remove.
2841 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2844 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2845 with want_address 2 and in case a single element list might be
2846 possible, call it again with want_address 0.
2848 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2850 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2851 case 'W' print operands for HI mode.
2852 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2853 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2854 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2855 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2857 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2859 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2860 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2861 #xx:3 and #xx:4 mode.
2863 * config/h8300/h8300.md (inverted load with HImode dest): Add
2864 support for H8300SX.
2866 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2867 satisfy 'U' constraint.
2869 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2871 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2872 * configure: Regenerate.
2873 * config.in: Regenerate.
2874 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2877 2010-04-16 Richard Guenther <rguenther@suse.de>
2879 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2880 (struct tree_decl_common): ... here.
2881 (DECL_PT_UID): Adjust.
2882 (SET_DECL_PT_UID): Likewise.
2883 (DECL_PT_UID_SET_P): Likewise.
2885 2010-04-16 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/43572
2888 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2889 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2890 * tree-flow.h (is_call_clobbered): Remove.
2891 * tree-flow-inline.h (is_call_clobbered): Likewise.
2892 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2893 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2894 (execute_return_slot_opt): Adjust.
2895 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2896 check for call clobbered vars here.
2897 (find_tail_calls): Move tailcall verification to the
2900 2010-04-16 Diego Novillo <dnovillo@google.com>
2902 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2904 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2907 * config/arm/arm.md (cbranchqi4): New pattern.
2908 * config/arm/predicates.md (const0_operand,
2909 cbranchqi4_comparison_operator): New predicates.
2911 2010-04-16 Richard Guenther <rguenther@suse.de>
2913 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2914 (dump_gimple_stmt): Likewise.
2916 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2918 * recog.h (struct recog_data): New field is_operator.
2919 (struct insn_operand_data): New field is_operator.
2920 * recog.c (extract_insn): Set recog_data.is_operator.
2921 * genoutput.c (output_operand_data): Emit code to set the
2923 * reload.c (find_reloads): Use it rather than testing for an
2924 empty constraint string.
2927 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2928 If the previous insn is a cbranchsi4_insn with the same arguments,
2929 omit the compare instruction.
2931 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2932 register, inputs must be low registers and we need a low register
2933 scratch. Handle alternative 2 like alternative 3.
2935 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2937 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2938 don't call get_addr on both. If one expression is a VALUE and
2939 the other a REG, check VALUE's locs if the REG isn't among them.
2941 2010-04-16 Christian Bruel <christian.bruel@st.com>
2943 * config/sh/sh.h (sh_frame_pointer_required): New function.
2944 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2945 (flag_omit_frame_pointer) Set.
2946 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2947 (rounded_frame_size): Adjust size with outgoing_args_size.
2948 (sh_set_return_address): Must return from stack pointer.
2949 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2950 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2951 (ACCUMULATE_OUTGOING_ARGS): Define.
2952 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2953 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2955 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2958 * config/sh/sh.c (sh_legitimize_reload_address): Use
2959 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2960 Remove a unneeded check for offset_base.
2962 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2964 * configure: Regenerated.
2966 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2968 * config/s390/s390.c (s390_call_save_register_used): Switch back
2969 to HARD_REGNO_NREGS.
2971 2010-04-15 Richard Guenther <rguenther@suse.de>
2973 * alias.c (alias_set_subset_of): Handle alias-set zero
2976 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2977 Julian Brown <julian@codesourcery.com>
2979 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2980 alternatives according to use of high and low regs.
2981 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2982 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2983 optimizing for size on Thumb-2.
2985 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2987 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2989 2010-04-15 Richard Guenther <rguenther@suse.de>
2991 * tree-ssa-structalias.c (struct variable_info): Add
2993 (new_var_info): Initialize it.
2994 (dump_constraints): Support printing last added constraints.
2995 (debug_constraints): Adjust.
2996 (dump_constraint_graph): Likewise.
2997 (make_heapvar_for): Check for NULL cfun.
2998 (get_function_part_constraint): New function.
2999 (get_fi_for_callee): Likewise.
3000 (find_func_aliases): Properly implement IPA PTA constraints.
3001 (process_ipa_clobber): New function.
3002 (find_func_clobbers): Likewise.
3003 (insert_into_field_list_sorted): Remove.
3004 (create_function_info_for): Properly allocate vars for IPA mode.
3005 Do not use insert_into_field_list_sorted.
3006 (create_variable_info_for): Properly generate constraints for
3007 global vars in IPA mode.
3008 (dump_solution_for_var): Always dump the solution.
3009 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3010 (find_what_var_points_to): Adjust.
3011 (pt_solution_set): Change.
3012 (pt_solution_ior_into): New function.
3013 (pt_solution_empty_p): Export.
3014 (pt_solution_includes_global): Adjust.
3015 (pt_solution_includes_1): Likewise.
3016 (pt_solutions_intersect_1): Likewise.
3017 (dump_sa_points_to_info): Check some invariants.
3018 (solve_constraints): Move constraint dumping ...
3019 (compute_points_to_sets): ... here.
3020 (ipa_pta_execute): ... and here.
3021 (compute_may_aliases): Do not re-compute points-to info
3022 locally if IPA info is available.
3023 (ipa_escaped_pt): New global var.
3024 (ipa_pta_execute): Properly implement IPA PTA.
3025 * tree-into-ssa.c (dump_decl_set): Support dumping
3026 decls not in referenced-vars.
3027 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3028 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3029 (dump_points_to_solution): Likewise.
3030 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3031 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3032 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3033 (copy_decl_to_var): Copy DECL_PT_UID.
3034 (copy_result_decl_to_var): Likewise.
3035 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3036 (copy_node_stat): Copy it.
3037 * tree.h (DECL_PT_UID): New macro.
3038 (SET_DECL_PT_UID): Likewise.
3039 (DECL_PT_UID_SET_P): Likewise.
3040 (struct tree_decl_minimal): Add pt_uid member.
3041 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3042 (pt_solution_empty_p): Declare.
3043 (pt_solution_set): Adjust.
3044 (ipa_escaped_pt): Declare.
3045 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3046 * gimple-pretty-print.c (pp_points_to_solution): New function.
3047 (dump_gimple_call): Dump call clobber/use information.
3048 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3049 * tree-pass.h (TDF_ALIAS): New dump option.
3050 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3051 * doc/invoke.texi (-fipa-pta): Update documentation.
3053 2010-04-15 Richard Guenther <rguenther@suse.de>
3055 * Makefile.in (OBJS-common): Add gimple-fold.o.
3056 (gimple-fold.o): New rule.
3057 * tree.h (maybe_fold_offset_to_reference,
3058 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3060 * gimple.h: ... here.
3061 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3062 may_propagate_address_into_dereference): Move prototypes ...
3063 * gimple.h: ... here.
3064 * tree-ssa-ccp.c (get_symbol_constant_value,
3065 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3066 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3067 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3068 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3069 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3070 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3071 gimplify_and_update_call_from_tree): Move ...
3072 * gimple-fold.c: ... here. New file.
3073 (ccp_fold_builtin): Rename to ...
3074 (gimple_fold_builtin): ... this.
3075 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3077 2010-04-15 Richard Guenther <rguenther@suse.de>
3079 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3080 fit_double_type, force_fit_type_double, add_double_with_sign,
3081 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3082 lrotate_double, rrotate_double, div_and_round_double): Move ...
3083 * double-int.c: ... here.
3084 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3085 add_double, neg_double, mul_double_with_sign, mul_double,
3086 lshift_double, rshift_double, lrotate_double, rrotate_double,
3087 div_and_round_double): Move prototypes ...
3088 * double-int.h: ... here.
3090 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3093 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3094 matching constraints to ensure inputs match the output.
3096 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3099 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3100 in an input-only operand.
3102 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3104 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3105 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3106 (double_int_negative_p): Convert to static inline function.
3107 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3108 (double_int_negative_p): Remove.
3109 * tree.h (lshift_double, rshift_double):
3110 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3111 * fold-const.c (fold_convert_const_int_from_real,
3112 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3113 (lshift_double): Change type of arith argument to bool.
3114 (rshift_double): Change type of arith argument to bool. Correct
3116 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3118 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3121 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3122 at the start and end of the then/else blocks, and omit them from the
3124 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3125 argument; all callers changed. Pass zero to old_insns_match_p instead.
3126 (flow_find_head_matching_sequence): New function.
3127 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3128 * basic-block.h (flow_find_cross_jump,
3129 flow_find_head_matching_sequence): Declare functions.
3131 2010-04-14 Jason Merrill <jason@redhat.com>
3134 * c-common.c (attribute_takes_identifier_p): New fn.
3135 * c-common.h: Declare it.
3137 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3139 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3141 (*udivmod<mode>4): Ditto.
3143 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3145 * config/i386/i386.md (maxmin_int): Rename code attribute from
3146 maxminiprefix and update all users.
3147 (maxmin_float): Ditto from maxminfprefix.
3148 (logic): Ditto from logicprefix.
3149 (absneg_mnemonic): Ditto from absnegprefix.
3150 * config/i386/mmx.md: Update all users of maxminiprefix,
3151 maxminfprefix and logicprefix for rename.
3152 * config/i386/sse.md: Ditto.
3153 * config/i386/sync.md (sync_<code><mode>): Update for
3156 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3159 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3160 warnings converted to errors.
3162 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3164 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3165 used insn_type variable.
3166 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3167 to avoid set-but-not-used warning.
3169 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3171 * df-core.c (df_ref_debug): Change format string placeholder
3173 * dwarf2asm.c (dw2_asm_output_data_raw,
3174 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3175 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3176 * dwarf2out.c (output_cfi, output_cfi_directive,
3177 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3178 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3180 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3181 * print-rtl.c (print_rtx): Ditto.
3183 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3186 * builtins.c (expand_builtin_pow_root): New function to expand pow
3187 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3188 series of sqrt and cbrt calls under -ffast-math.
3189 (expand_builtin_pow): Call it.
3191 2010-04-14 Michael Matz <matz@suse.de>
3193 PR tree-optimization/42963
3194 * tree-cfg.c (touched_switch_bbs): New static variable.
3195 (group_case_labels_stmt): New function broken out from ...
3196 (group_case_labels): ... here, use the above.
3197 (start_recording_case_labels): Allocate touched_switch_bbs.
3198 (end_recording_case_labels): Deallocate it, call
3199 group_case_labels_stmt.
3200 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3202 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3204 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3207 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3209 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3211 2010-04-13 Jan Hubicka <jh@suse.cz>
3213 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3214 of optimized out static functions.
3215 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3216 cost computation. Also sanity check for overflows.
3217 (update_caller_keys): Update cgraph_edge_badness call; properly
3218 update fibheap and sanity check that it is up to date.
3219 (add_new_edges_to_heap): Update cgraph_edge_badness.
3220 (cgraph_decide_inlining_of_small_function): Likewise;
3221 add sanity checking that badness in heap is up to date;
3222 improve dumping of reason; Update badness of calls to the
3223 offline copy of function currently inlined; dump badness
3224 of functions not inlined because of unit growth limits.
3226 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3229 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3230 because of sign-extension change when converting to sizetype here...
3231 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3233 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3234 the folding to constants. Remove redundant final conversion.
3235 (fold_binary) <associate>: Do not associate if the re-association of
3236 constants alone overflows.
3237 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3238 to the end of the list.
3239 (multiple_of_p) <COND_EXPR>: New case.
3241 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3243 * opt-functions.awk (opt_sanitized_name): New.
3245 * optc-gen.awk: Use it
3246 * opth-gen.awk: Use it.
3248 2010-04-13 Martin Jambor <mjambor@suse.cz>
3250 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3251 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3252 children. Call replace_uses_with_default_def_ssa_name to handle
3255 2010-04-13 Michael Matz <matz@suse.de>
3258 * builtins.c (expand_builtin_interclass_mathfn): Also create
3259 a register if the predicate doesn't match.
3261 2010-04-13 Diego Novillo <dnovillo@google.com>
3263 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3264 * c-pch.c: Include timevar.h.
3265 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3266 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3267 * ggc-common.c: Include timevar.h.
3268 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3269 * timevar.def (TV_PCH_SAVE): Define.
3270 (TV_PCH_CPP_SAVE): Define.
3271 (TV_PCH_PTR_REALLOC): Define.
3272 (TV_PCH_PTR_SORT): Define.
3273 (TV_PCH_RESTORE): Define.
3274 (TV_PCH_CPP_RESTORE): Define.
3276 2010-04-13 Michael Matz <matz@suse.de>
3278 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3280 (can_reassociate_p): New function.
3281 (break_up_subtract_bb, reassociate_bb): Use it.
3283 2010-04-13 Richard Guenther <rguenther@suse.de>
3286 * builtins.c (c_readstr): Fix assert.
3288 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3290 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3291 when generating cltd insn.
3293 (*ashl<mode>3_1): Remove special handling for register operand 2.
3294 (*ashlsi3_1_zext): Ditto.
3295 (*ashlhi3_1): Ditto.
3296 (*ashlhi3_1_lea): Ditto.
3297 (*ashlqi3_1): Ditto.
3298 (*ashlqi3_1_lea): Ditto.
3299 (*<shiftrt_insn><mode>3_1): Ditto.
3300 (*<shiftrt_insn>si3_1_zext): Ditto.
3301 (*<shiftrt_insn>qi3_1_slp): Ditto.
3302 (*<rotate_insn><mode>3_1): Ditto.
3303 (*<rotate_insn>si3_1_zext): Ditto.
3304 (*<rotate_insn>qi3_1_slp): Ditto.
3306 2010-04-13 Richard Guenther <rguenther@suse.de>
3308 * tree-ssa-structalias.c (callused_id): Remove.
3309 (call_stmt_vars): New.
3310 (get_call_vi): Likewise.
3311 (lookup_call_use_vi): Likewise.
3312 (lookup_call_clobber_vi): Likewise.
3313 (get_call_use_vi): Likewise.
3314 (get_call_clobber_vi): Likewise.
3315 (make_transitive_closure_constraints): Likewise.
3316 (handle_const_call): Adjust to do per-call call-used handling.
3317 (handle_pure_call): Likewise.
3318 (find_what_var_points_to): Remove general callused handling.
3319 (init_base_vars): Likewise.
3320 (init_alias_vars): Initialize call_stmt_vars.
3321 (compute_points_to_sets): Process call-used and call-clobbered
3322 vars for call statements.
3323 (delete_points_to_sets): Free call_stmt_vars.
3325 2010-04-13 Richard Guenther <rguenther@suse.de>
3327 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3328 Only add RW dependence for dependence distance zero.
3329 Adjust maximal vectorization factor according to dependences.
3330 Move alignment handling ...
3331 (vect_find_same_alignment_drs): ... here. New function.
3332 (vect_analyze_data_ref_dependences): Adjust.
3333 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3334 (vect_analyze_data_refs): Adjust minimal vectorization factor
3335 according to data references.
3336 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3337 dependences before determining the vectorization factor.
3338 Analyze alignment after determining the vectorization factor.
3339 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3340 dependences before alignment.
3341 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3343 (vect_analyze_data_refs): Likewise.
3344 (MAX_VECTORIZATION_FACTOR): New define.
3346 2010-04-13 Duncan Sands <baldrick@free.fr>
3348 * except.h (lang_eh_type_covers): Remove.
3349 * except.c (lang_eh_type_covers): Likewise.
3351 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3352 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3354 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3355 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3356 UNITS_PER_LONG where it is ABI relevant.
3357 (s390_return_addr_rtx): Likewise.
3358 (s390_back_chain_rtx): Likewise.
3359 (s390_frame_area): Likewise.
3360 (s390_frame_info): Likewise.
3361 (s390_initial_elimination_offset): Likewise.
3362 (save_gprs): Likewise.
3363 (s390_emit_prologue): Likewise.
3364 (s390_emit_epilogue): Likewise.
3365 (s390_function_arg_advance): Likewise.
3366 (s390_function_arg): Likewise.
3367 (s390_va_start): Likewise.
3368 (s390_gimplify_va_arg): Likewise.
3369 (s390_function_profiler): Likewise.
3370 (s390_optimize_prologue): Likewise.
3371 (s390_rtx_costs): Likewise.
3372 (s390_secondary_reload): Likewise.
3373 (s390_promote_function_mode): Likewise.
3374 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3375 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3376 registers available.
3377 (s390_unwind_word_mode): New function.
3378 (s390_function_value): Split 64 bit values into register pair if
3379 used as return value.
3380 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3381 function call parameters. Handle parallels.
3382 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3383 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3384 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3385 (s390_expand_setmem): Remove unused variable src_addr.
3386 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3387 deal with 64 bit registers.
3388 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3389 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3390 (UNITS_PER_LONG): New macro.
3391 * libjava/include/s390-signal.h: Define extended ucontext
3392 structure containing the upper halfs of the 64 bit registers.
3394 2010-04-13 Simon Baldwin <simonb@google.com>
3396 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3398 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3400 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3401 rvalue on the RHS if the LHS is of a non-renamable type.
3402 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3404 2010-04-13 Matthias Klose <doko@ubuntu.com>
3406 * gcc.c (cc1_options): Handle -iplugindir before processing
3407 the cc1 spec. Only add -iplugindir once.
3408 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3410 * common.opt (iplugindir): Remove `Separate' property, initialize.
3411 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3413 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3414 (distclean): Remove plugin dir.
3415 * doc/invoke.texi: Document -iplugindir.
3417 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3419 * doc/plugins.texi (Loading Plugins): Document short
3420 -fplugin=foo option.
3421 (Plugin API): Mention default_plugin_dir_name function.
3423 * gcc.c (find_file_spec_function): Add new declaration.
3424 (static_spec_func): Use it for "find-file".
3425 (find_file_spec_function): Add new function.
3426 (cc1_options): Add -iplugindir option if -fplugin* options found.
3428 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3430 * plugin.c (add_new_plugin): Updated comment, and handle short
3432 (default_plugin_dir_name): Added new function.
3434 * common.opt (iplugindir): New option to set the plugin directory.
3436 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3438 * config/i386/i386.md (any_rotate): New code iterator.
3439 (rotate_insn): New code attribute.
3441 (SWIM124): New mode iterator.
3442 (<rotate_insn>ti3): New expander.
3443 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3444 any_rotate code iterator.
3445 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3446 using any_rotate code iterator and SWIM124 mode iterator.
3447 (ix86_rotlti3): New insn_and_split pattern.
3448 (ix86_rotrti3): Ditto.
3449 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3450 ix86_rotl{di,ti}3 patterns.
3451 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3452 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3453 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3454 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3455 code iterator and SWI mode iterator.
3456 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3457 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3459 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3460 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3461 (bswap rotatert splitter): Add splitter.
3462 (bswap splitter): Macroize splitter using any_rotate code iterator.
3463 Add insn predicate to split only for TARGET_USE_XCHGB or when
3464 optimizing function for size.
3466 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3468 * config/pa/pa.c (emit_move_sequence): Remove use of
3469 deleted variable flag_argument_noalias.
3471 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3473 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3475 Add to unsupported targets list.
3476 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3477 sparc*-sun-solaris2.[567]* from target lists.
3478 * configure: Regenerate.
3479 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3481 Remove Solaris 7 patch references.
3482 (Specific, sparc-sun-solaris2.7): Removed.
3483 (sparc-sun-solaris2*): Update Solaris 7 example.
3484 (sparc64-*-solaris2*): Likewise.
3486 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3488 * config.build (alpha*-dec-osf4*): Remove.
3489 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3490 of obsolete configurations.
3491 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3493 * config/alpha/t-osf4: Renamed to ...
3494 * config/alpha/t-osf5: ... this.
3495 * config/alpha/osf.h: Renamed to ...
3496 * config/alpha/osf5.h: ... this.
3497 Merged old osf5.h contents.
3499 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3500 (EXTRA_SPECS): Removed.
3501 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3502 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3505 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3507 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3509 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3512 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3513 __thiscall convention.
3515 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3517 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3519 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3521 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3523 * function.c (assign_parms_initialize_all): Add unused attribute
3526 2010-04-12 Richard Guenther <rguenther@suse.de>
3528 * gsstruct.def (GSS_CALL): New.
3529 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3530 * gimple.h: Include tree-ssa-alias.h.
3531 (struct gimple_statement_call): New.
3532 (union gimple_statement_struct_d): Add gimple_call member.
3533 (gimple_call_reset_alias_info): Declare.
3534 (gimple_call_use_set): New function.
3535 (gimple_call_clobber_set): Likewise.
3536 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3537 * gimple.c (gimple_call_reset_alias_info): New function.
3538 (gimple_build_call_1): Call it.
3539 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3540 * tree-inline.c (remap_gimple_stmt): Likewise.
3541 (expand_call_inline): Remove callused handling.
3542 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3543 * tree-dfa.c (dump_variable): Likewise.
3544 * tree-parloops.c (parallelize_loops): Likewise.
3545 * tree-ssa.c (init_tree_ssa): Likewise.
3546 (delete_tree_ssa): Likewise.
3547 * tree-flow-inline.h (is_call_used): Remove.
3548 * tree-flow.h (struct gimple_df): Remove callused member.
3549 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3550 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3551 (ref_maybe_used_by_call_p_1): Simplify.
3552 (call_may_clobber_ref_p_1): Likewise.
3553 * tree-ssa-structalias.c (compute_points_to_sets): Set
3554 the call stmt used and clobbered sets.
3555 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3556 (find_tail_calls): Verify the tail call.
3558 2010-04-12 Richard Guenther <rguenther@suse.de>
3560 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3561 single-iteration always-inline inlining.
3562 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3563 (cgraph_decide_inlining): Do not handle always-inline specially.
3564 (try_inline): Remove always-inline cycle detection special case.
3565 Do not recurse on always-inlines.
3566 (cgraph_early_inlining): Do not iterate if not optimizing.
3567 (cgraph_gate_early_inlining): remove.
3568 (pass_early_inline): Run unconditionally.
3569 (gate_cgraph_decide_inlining): New function.
3570 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3571 not inlining or optimizing.
3572 (cgraph_decide_inlining_of_small_functions): Also consider
3573 always-inline functions.
3574 (cgraph_default_inline_p): Return true for nodes which should
3575 disregard inline limits.
3576 (estimate_function_body_sizes): Assume zero size and time for
3577 nodes which are marked as disregarding inline limits.
3578 (cgraph_decide_recursive_inlining): Do not perform recursive
3579 inlining on always-inline nodes.
3581 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3584 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3585 for exprs satisfying handled_component_p.
3587 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3589 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3590 non-constant aggregate elements.
3592 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3593 is a real initialization.
3595 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3598 * c-decl.c (start_function): Move forward check for nested function.
3600 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3602 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3603 * config/sh/sh.c: Include reload.h.
3604 (sh_legitimize_reload_address): New.
3605 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3606 sh_legitimize_reload_address.
3608 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3610 * config/sh/sh.md (*movqi_pop): New insn pattern.
3611 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3613 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3615 * config/i386/i386.md (any_shiftrt): New code iterator.
3616 (shiftrt_insn): New code attribute.
3618 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3619 using any_shiftrt code iterator.
3620 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3621 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3622 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3623 pattern from corresponding peephole2 patterns.
3624 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3625 using any_shiftrt code iterator.
3626 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3627 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3628 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3629 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3630 *{ashr,lshr}<mode>3_cmp_zext.
3631 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3633 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3635 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3637 (*lshr<mode>3_cconly): Ditto.
3639 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3641 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3642 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3643 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3644 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3646 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3647 from corresponding peephole2 patterns.
3648 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3649 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3650 and *lshrdi3_1_rex64 using SWI mode iterator.
3651 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3652 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3653 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3654 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3655 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3656 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3657 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3658 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3659 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3662 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3664 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3665 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3666 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3667 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3669 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3670 from corresponding peephole2 patterns.
3671 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3672 (ashrsi3_cvt): Rename from ashrsi3_31.
3673 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3674 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3675 and x86_64_shift_adj_3 using SWI48 mode iterator.
3676 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3677 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3678 and *ashrdi3_1_rex64 using SWI mode iterator.
3679 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3680 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3681 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3682 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3683 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3684 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3685 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3686 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3687 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3689 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3690 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3691 x86_shift<mode>_adj_3 expanders.
3693 2010-04-10 Wei Guozhi <carrot@google.com>
3696 * config/arm/arm.c (arm_pic_static_addr): New function.
3697 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3699 (arm_output_addr_const_extra): Output expression for new pattern.
3700 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3702 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3704 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3707 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3708 * web.c: Include "insn-config.h" and "recog.h".
3709 (union_match_dups): New function.
3710 (web_main): Call it.
3711 (union_defs): Don't try to recognize match_dups.
3713 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3714 if doing so would replace the entire pattern.
3716 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3720 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3721 and splitter pattern. Change splitter operand 1 predicate to
3724 2010-04-09 Martin Jambor <mjambor@suse.cz>
3726 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3727 lattices are addresses of CONST_DECLs with the same initial value.
3728 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3729 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3731 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3732 Bernd Schmidt <bernds@codesourcery.com>
3734 * loop-invariant.c (replace_uses): New static function.
3735 (move_invariant_reg): Use it to ensure we can replace the uses.
3737 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3739 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3741 (picochip_override_options): Enable section anchors only above -O1.
3742 (picochip_reorg): Fixed a couple of build warnings.
3744 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3746 * configure.ac (plugin -rdynamic test): Log result.
3747 * configure: Regenerate.
3748 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3749 (RDYNAMIC_SPEC): Define.
3750 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3752 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3754 * configure.ac: Determine Sun ld version numbers.
3755 (comdat_group): Restrict GNU ld version checks to gld.
3756 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3757 (enable_comdat): Support --enable-comdat.
3758 * configure: Regenerate.
3759 * doc/install.texi (Configuration): Document --enable-comdat.
3761 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3763 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3764 * config/sol2-gld.h: ... here.
3765 * config.gcc (sparc*-*-solaris2*): Reflect this.
3766 (i[34567]86-*-solaris2*): Use it.
3768 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3770 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3772 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3774 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3777 * diagnostic.c (diagnostic_initialize): Initialize
3778 some_warnings_are_errors.
3779 (diagnostic_finish): New.
3780 (diagnostic_action_after_output): Call it before exiting.
3781 (diagnostic_report_diagnostic): Do not print message here. Set
3782 some_warnings_are_errors.
3783 * diagnostic.h (diagnostic_context): Delete
3784 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3785 (diagnostic_finish): Declare.
3786 * toplev.c (toplev_main): Call it before exit.
3788 2010-04-09 Jason Merrill <jason@redhat.com>
3791 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3792 for incomplete type.
3795 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3796 based on a warning flag.
3798 2010-04-09 Richard Guenther <rguenther@suse.de>
3800 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3802 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3805 * varasm.c (default_assemble_visibility): Wrap vars that are
3806 set, but unused, by targets without GAS.
3807 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3808 Remove set, but unused, vars.
3809 (rs6000_legitimize_tls_address): Likewise.
3810 (altivec_expand_dst_builtin): Likewise.
3811 * config/darwin.c (machopic_classify_symbol): Likewise.
3812 (machopic_indirection_name): Likewise.
3814 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3816 * config/i386/i386.md (DWI): New mode iterator.
3817 (S): New mode attribute.
3818 (shift_operand): Ditto.
3819 (shift_immediate_operand): Ditto.
3820 (ashl_input_operand): Ditto.
3821 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3822 using SDWIM mode iterator.
3823 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3824 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3826 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3827 from corresponding peephole2 patterns.
3828 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3829 and x86_64_shift_adj_1 using SWI48 mode iterator.
3830 (x86_shift<mode>_adj_2): Ditto.
3831 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3832 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3833 using SWI48 mode iterator.
3834 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3835 *ashldi3_cmp_rex64 using SWI mode iterator.
3836 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3837 *ashldi3_cconly_rex64 using SWI mode iterator.
3838 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3839 x86_shift<mode>_adj_{1,2}.
3840 (ix86_split_ashr): Ditto.
3841 (ix86_split_lshr): Ditto.
3843 2010-04-09 Richard Guenther <rguenther@suse.de>
3845 * target.h (builtin_conversion): Pass in input and output types.
3846 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3847 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3848 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3849 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3851 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3853 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3855 2010-04-09 Richard Guenther <rguenther@suse.de>
3858 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3860 2010-04-09 Richard Guenther <rguenther@suse.de>
3862 * tree-vectorizer.h (struct _stmt_vec_info): Document
3863 that vectype is the type of the LHS.
3864 (supportable_widening_operation, supportable_narrowing_operation):
3865 Get both input and output vector types as arguments.
3866 (vect_is_simple_use_1): Declare.
3867 (get_same_sized_vectype): Likewise.
3868 * tree-vect-loop.c (vect_determine_vectorization_factor):
3869 Set STMT_VINFO_VECTYPE to the vector type of the def.
3870 (vectorizable_reduction): Adjust.
3871 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3872 Adjust. Specify the output vector type.
3873 (vect_pattern_recog_1): Adjust.
3874 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3875 (vectorizable_call): Adjust.
3876 (vectorizable_conversion): Likewise.
3877 (vectorizable_operation): Likewise.
3878 (vectorizable_type_demotion): Likewise.
3879 (vectorizable_type_promotion): Likewise.
3880 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3882 (vect_is_simple_use_1): New function.
3883 (supportable_widening_operation): Get both input and output
3885 (supportable_narrowing_operation): Likewise.
3886 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3888 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3890 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3891 __thiscall and _thiscall as predefined macros.
3892 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3893 thiscall attribute handling.
3894 (ix86_comp_type_attributes): Likewise.
3895 (ix86_function_regparm): Likewise.
3896 (ix86_return_pops_args): Likewise.
3897 (init_cumulative_args): Likewise.
3898 (find_drap_reg): Likewise.
3899 (ix86_static_chain): Likewise.
3900 (x86_this_parameter): Likewise.
3901 (x86_output_mi_thunk): Likewise.
3902 (ix86_attribute_table): Add description for thiscall attribute.
3903 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3904 * doc/extend.texi: Add documentation for thiscall.
3906 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3909 * c.opt (Wint-to-pointer-cast): Available in C++.
3910 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3912 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3914 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3915 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3916 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3917 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3918 function type instead. Reorder and simplify checks.
3920 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3922 2010-04-08 Jing Yu <jingyu@google.com>
3923 Zdenek Dvorak <ook@ucw.cz>
3925 PR tree-optimization/42720
3926 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3927 loop unswitch conditions here from ...
3928 (tree_unswitch_single_loop): ... here.
3930 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3932 * tree-if-conv.c: Fix comments and simplify logic.
3934 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3936 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3937 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3938 (main_tree_if_conversion): Update call to tree_if_conversion.
3940 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3943 * doc/invoke.texi (-b,-V): Delete.
3944 * doc/tm.texi: Do not mention -b.
3945 * gcc.c (display_help): Delete -b and -V.
3946 (process_command): Delete -b and -V.
3947 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3949 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3950 Wolfgang Gellerich <gellerich@de.ibm.com>
3952 Implement target hook for loop unrolling
3953 * target.h (loop_unroll_adjust): Add a new target hook function.
3954 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3955 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3956 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3957 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3958 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3960 (decide_unroll_stupid): Likewise.
3962 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3965 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3967 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3969 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3970 (Specific, *-*-solaris2*): Likewise.
3971 Don't prefer Sun as over GNU as.
3973 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3975 * config/s390/s390.c (override_options): Adjust the z10
3976 defaults for max-unroll-times, max-completely-peeled-insns
3977 and max-completely-peel-times.
3979 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3981 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3982 instructions for z10.
3983 (s390_expand_setmem): Likewise.
3984 (s390_expand_cmpmem): Likewise.
3986 2010-04-08 Richard Guenther <rguenther@suse.de>
3988 PR tree-optimization/43679
3989 * tree-ssa-pre.c (eliminate): Only propagate copies.
3991 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3994 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3995 set but not used variable warning.
3997 2010-04-08 Wei Guozhi <carrot@google.com>
4000 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4001 (arm_size_rtx_costs): Call the new function when optimized for size.
4003 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4006 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4007 op0 is not a MEM, just return NULL instead of assertion
4009 (discover_nonconstant_array_refs): Don't walk debug stmts.
4011 2010-04-08 Doug Kwan <dougkwan@google.com>
4013 * configure.ac: Recognize gold and do not use its version number
4014 to test ld features.
4015 * configure: Regenerate.
4017 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4020 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4021 (negate_value): Move code to push elements to broken_up_substracts ...
4022 (eliminate_plus_minus_pair): ... here. Push operands that have no
4023 negative pair to plus_negates.
4024 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4026 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4028 * doc/install.texi (Configuration): Move description of
4029 --enable-lto, --with-libelf*, --enable-gold from Java section to
4032 * doc/generic.texi (Working with declarations)
4033 (Function Properties, C and C++ Trees): Fix typos.
4034 * doc/sourcebuild.texi (Top Level): Likewise.
4036 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4039 * tree.h (DECL_READ_P): Define.
4040 (struct tree_decl_common): Add decl_read_flag.
4041 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4042 a set but not used warning.
4043 (merge_decls): Merge DECL_READ_P flag.
4044 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4045 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4046 * c-common.c (handle_used_attribute, handle_unused_attribute):
4048 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4050 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4052 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4053 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4054 c_parser_binary_expression, c_parser_cast_expression,
4055 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4056 Call default_function_array_read_conversion instead of
4057 default_function_array_conversion where needed.
4058 (c_parser_unary_expression, c_parser_conditional_expression,
4059 c_parser_postfix_expression_after_primary, c_parser_initelt):
4060 Likewise. Call mark_exp_read where needed.
4061 (c_parser_statement_after_labels, c_parser_asm_operands,
4062 c_parser_typeof_specifier, c_parser_sizeof_expression,
4063 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4065 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4067 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4068 (warn_unused_but_set_parameter): Default to warn_unused
4070 * doc/invoke.texi: Document -Wunused-but-set-variable and
4071 -Wunused-but-set-parameter.
4073 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4074 used count variable.
4075 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4076 when operandN variables aren't used in the body of the expander
4078 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4079 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4080 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4081 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4082 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4083 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4084 * tree.c (PROCESS_ARG): Likewise.
4086 2010-04-07 Simon Baldwin <simonb@google.com>
4088 * diagnostic.h (diagnostic_override_option_index): New macro to
4089 set a diagnostic's option_index.
4090 * c-tree.h (c_cpp_error): Add warning reason argument.
4091 * opts.c (_warning_as_error_callback): New.
4092 (register_warning_as_error_callback): Store callback for
4093 warnings enabled via enable_warning_as_error.
4094 (enable_warning_as_error): Call callback, minor code tidy.
4095 * opts.h (register_warning_as_error_callback): Declare.
4096 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4097 response to -Werror=.
4098 (c_common_init_options): Register warning_as_error_callback in opts.c.
4099 * common.opt: Add -Wno-cpp option.
4100 * c-common.c (struct reason_option_codes_t): Map cpp warning
4101 reason codes to gcc option indexes.
4102 * (c_option_controlling_cpp_error): New function, lookup the gcc
4103 option index for a cpp warning reason code.
4104 * (c_cpp_error): Add warning reason argument, call
4105 c_option_controlling_cpp_error for diagnostic_override_option_index.
4106 * doc/invoke.texi: Document -Wno-cpp.
4108 2010-04-07 Richard Guenther <rguenther@suse.de>
4110 * ipa-reference.c (mark_load): Use get_base_address.
4111 (mark_store): Likewise.
4113 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4114 inserting GIMPLE_NOPs into the IL.
4115 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4116 Explicitly strip handled components and indirect references.
4118 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4119 folding address expressions.
4120 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4121 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4122 operand_equal_p to compare decls.
4123 (ptr_deref_may_alias_decl_p): Likewise.
4124 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4125 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4126 Handle reversed comparison ops.
4127 * tree-sra.c (asm_visit_addr): Use get_base_address.
4128 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4129 * ipa-reference.c (mark_address): Use get_base_address.
4131 2010-04-07 Richard Guenther <rguenther@suse.de>
4133 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4134 Propagate constants everywhere.
4136 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4139 * tree.c (MAX_INT_CACHED_PREC): Define.
4140 (nonstandard_integer_type_cache): New array.
4141 (build_nonstandard_integer_type): Cache results for precision
4142 <= MAX_INT_CACHED_PREC.
4144 2010-04-07 Richard Guenther <rguenther@suse.de>
4146 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4147 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4148 * common.opt: Likewise.
4149 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4150 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4151 (nonoverlapping_memrefs_p): Likewise.
4152 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4153 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4154 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4155 OPT_fargument_noalias_global for backward compatibility.
4157 2010-04-07 Richard Guenther <rguenther@suse.de>
4159 PR tree-optimization/43270
4160 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4161 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4162 * tree-ssa-pre.c (phi_translate_1): Adjust.
4163 (fully_constant_expression): Split out vn_reference handling to ...
4164 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4165 Fold reads from constant strings.
4166 (vn_reference_lookup): Handle fully constant references.
4167 (vn_reference_lookup_pieces): Likewise.
4168 * Makefile.in (expmed.o-warn): Add -Wno-error.
4170 2010-04-07 Martin Jambor <mjambor@suse.cz>
4172 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4174 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4177 * gcc.c: Add -static-libstdc++ to list of recognized options.
4179 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4181 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4183 2010-04-07 Richard Guenther <rguenther@suse.de>
4186 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4187 bases build simple mem attributes to retain points-to information.
4189 2010-04-07 Richard Guenther <rguenther@suse.de>
4192 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4193 preserve points-to related information.
4195 2010-04-07 Richard Guenther <rguenther@suse.de>
4198 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4199 discard plain indirect references.
4200 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4201 * tree.c (tree_nop_conversion): Likewise.
4203 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4206 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4208 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4210 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4211 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4213 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4215 * tree-if-conv.c: Fix indentation and comments.
4217 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4219 * tree-if-conv.c: Sort static functions in topological order.
4221 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4223 * tree-if-conv.c: Fix indentation and comments.
4225 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4228 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4229 lang_hooks.types.type_for_size instead of
4230 build_nonstandard_integer_type.
4231 When converting an unsigned type to signed, double its precision.
4232 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4233 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4234 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4237 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4240 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4241 POINTER_PLUS_EXPR for pointer types.
4243 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4246 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4247 * graphite-clast-to-gimple.c: Include langhooks.h.
4248 (max_signed_precision_type): New.
4249 (max_precision_type): Takes two types as arguments.
4250 (precision_for_value): New.
4251 (precision_for_interval): New.
4252 (gcc_type_for_interval): New.
4253 (gcc_type_for_value): New.
4254 (gcc_type_for_clast_term): New.
4255 (gcc_type_for_clast_red): New.
4256 (gcc_type_for_clast_bin): New.
4257 (gcc_type_for_clast_expr): Split up into several functions.
4258 (gcc_type_for_clast_eq): Rewritten.
4259 (compute_bounds_for_level): New.
4260 (compute_type_for_level_1): New.
4261 (compute_type_for_level): New.
4262 (gcc_type_for_cloog_iv): Removed.
4263 (gcc_type_for_iv_of_clast_loop): Rewritten.
4264 (graphite_create_new_loop): Compute the lower and upper bound types
4265 with gcc_type_for_clast_expr.
4266 (graphite_create_new_loop_guard): Same.
4267 (find_cloog_iv_in_expr): Removed.
4268 (compute_cloog_iv_types_1): Removed.
4269 (compute_cloog_iv_types): Removed.
4270 (gloog): Do not call compute_cloog_iv_types.
4271 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4273 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4274 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4275 (GBB_CLOOG_IV_TYPES): Removed.
4277 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4279 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4280 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4281 (detect_commutative_reduction): Same.
4283 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4285 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4286 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4288 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4289 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4290 (rewrite_commutative_reductions_out_of_ssa): Same.
4291 * passes.c (execute_function_todo): Call verify_ssa for every pass
4292 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4293 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4294 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4295 with an extra argument.
4296 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4297 verify_ssa only when the extra argument is true.
4298 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4299 with an extra argument.
4300 (tree_transform_and_unroll_loop): Same.
4302 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4304 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4305 for all the passes of the LNO having LOOP_CLOSED_SSA.
4306 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4307 * tree-loop-distribution.c (pass_loop_distribution): Same.
4308 * tree-pass.h (TODO_verify_loops): Removed.
4309 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4311 (pass_tree_unswitch): Same.
4312 (pass_predcom): Same.
4313 (pass_vectorize): Same.
4314 (pass_linear_transform): Same.
4315 (pass_graphite_transforms): Same.
4316 (pass_iv_canon): Same.
4317 (pass_complete_unroll): Same.
4318 (pass_complete_unrolli): Same.
4319 (pass_parallelize_loops): Same.
4320 (pass_loop_prefetch): Same.
4321 (pass_iv_optimize): Same.
4323 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4326 * passes.c (init_optimization_passes): Move pass_lim before
4327 pass_copy_prop and pass_dce_loop.
4329 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4332 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4333 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4334 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4335 MULTI_* defines for 4 argument vpermil2p* builtins.
4337 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4339 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4340 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4341 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4342 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4343 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4344 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4345 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4346 Use x86_maybe_negate_const_int to output insn mnemonic.
4347 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4348 check from instruction predicate. Update comments.
4349 * config/i386/sync.md (sync_add<mode>): Use
4350 x86_maybe_negate_const_int to output insn mnemonic.
4352 2010-04-06 Jan Hubicka <jh@suse.cz>
4354 PR tree-optimization/42906
4355 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4356 IGNORE_SELF argument. Set visited_control_parents for fully
4358 (find_obviously_necessary_stmts): Update call of
4359 mark_control_dependent_edges_necessary.
4360 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4362 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4364 * config/i386/i386.md: Remove comment about 'e' and 'E'
4367 2010-04-06 Richard Guenther <rguenther@suse.de>
4369 PR tree-optimization/43627
4370 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4371 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4374 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4376 * BASE-VER: Change to 4.6.0.
4379 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4382 2010-04-06 Richard Guenther <rguenther@suse.de>
4385 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4387 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4389 * doc/invoke.texi (Optimize Options): Document that LTO
4390 won't remove object access purely due to incompatible
4393 2010-04-04 Matthias Klose <doko@ubuntu.com>
4395 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4396 Initialize variable.
4398 2010-04-03 Richard Guenther <rguenther@suse.de>
4401 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4402 require a non-NULL MEM_OFFSET.
4404 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4406 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4407 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4408 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4409 config/alpha/predicates.md, config/arm/arm.md,
4410 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4411 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4412 config/darwin9.h, config/darwin.c, config/darwin.h,
4413 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4414 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4415 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4416 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4417 config/mips/mips.md, config/mn10300/mn10300.c,
4418 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4419 config/rs6000/aix.h, config/rs6000/dfp.md,
4420 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4421 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4422 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4423 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4424 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4425 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4426 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4427 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4428 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4429 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4430 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4431 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4432 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4433 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4434 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4435 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4436 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4437 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4438 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4439 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4440 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4441 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4442 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4443 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4444 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4445 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4446 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4447 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4448 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4449 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4450 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4451 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4452 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4453 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4454 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4455 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4457 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4460 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4461 * aclocal.m4: Regenerate.
4463 2010-04-02 Richard Guenther <rguenther@suse.de>
4465 PR tree-optimization/43629
4466 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4467 if we have seen a constant value.
4469 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4471 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4473 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4476 * arm.c (legitimize_tls_address): Adjust call to
4477 gen_tls_load_dot_plus_four.
4478 (arm_note_pic_base): New function.
4479 (arm_cannot_copy_insn_p): Use it.
4480 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4483 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4488 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4490 * Makefile.in ($(out_object_file)): Depend on
4491 gt-$(basename $(notdir $(out_file))).h.
4493 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4495 * config.gcc (lm32-*-rtems*): Add t-lm32.
4497 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4499 * config.gcc: Add lm32-*-rtems*.
4500 * config/lm32/rtems.h: New file.
4502 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4505 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4507 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4509 * dwarf2out.c (output_compilation_unit_header): For
4510 -gdwarf-4 use version 4 instead of version 3.
4511 (output_line_info): For version 4 and above emit additional
4512 maximum ops per insn header field.
4513 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4515 * dwarf2out.c (is_c_family, is_java): Remove.
4516 (lower_bound_default): New function.
4517 (add_bound_info, gen_descr_array_type_die): Use it.
4519 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4522 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4523 re-declaration when it happens in a function.
4525 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4527 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4528 (cgraph_remove_function_insertion_hook): Same.
4529 (cgraph_call_function_insertion_hooks): Same.
4531 2010-04-01 Richard Guenther <rguenther@suse.de>
4534 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4535 and TREE_THIS_VOLATILE.
4536 (copy_ref_info): Likewise.
4537 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4538 * tree.c (build6_stat): Ignore side-effects of all but arg5
4539 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4542 2010-04-01 Richard Guenther <rguenther@suse.de>
4544 PR tree-optimization/43607
4545 * ipa-type-escape.c (check_call): Do not access non-existing
4548 2010-04-01 Richard Guenther <rguenther@suse.de>
4552 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4553 Jack Howarth <howarth@bromo.med.uc.edu>
4555 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4558 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4560 * doc/install.texi (Prerequisites): Document libelf usability on
4561 IRIX 5/6 and Solaris 2.
4562 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4563 Update GNU as, GNU ld requirements.
4564 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4565 Document Sun Studio compiler download.
4566 Update and simplify as, ld recommendations.
4567 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4569 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4571 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4572 with_tune_32 to pentium4.
4574 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4576 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4578 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4580 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4581 obsoletion, removal.
4583 Document GNU as requirement.
4584 Update configure requirements.
4585 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4586 Recomment IRIX 6.5.18+.
4587 Document IDF/IDL requirement.
4588 Document GNU as requirement.
4589 Document GNU ld bootstrap failure.
4590 Remove freeware.sgi.com reference.
4592 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4594 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4595 UNIX V4.0, V5.0 obsoletion, removal.
4596 Remove --with-gc=simple reference.
4597 Update VM requirements during bootstrap.
4598 Remove -oldas bootstrap description.
4599 Update binutils reference.
4600 Remove comparison failure note.
4602 2010-03-31 Richard Guenther <rguenther@suse.de>
4603 Zdenek Dvorak <ook@ucw.cz>
4604 Sebastian Pop <sebastian.pop@amd.com>
4607 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4608 with multiple arguments.
4609 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4611 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4613 * graphite-dependences.c (print_pddr): Call print_pdr with an
4615 * graphite-poly.c (debug_pdr): Add an extra argument for the
4618 (print_pbb_domain): Same.
4620 (print_scop_context): Same.
4622 (print_cloog): Same.
4623 (debug_pbb_domain): Same.
4627 (debug_scop_context): Same.
4629 (debug_cloog): Same.
4630 (print_scop_params): Same.
4631 (debug_scop_params): Same.
4632 (print_iteration_domain): Same.
4633 (print_iteration_domains): Same.
4634 (debug_iteration_domain): Same.
4635 (debug_iteration_domains): Same.
4636 (print_scattering_function): Same.
4637 (print_scattering_functions): Same.
4638 (debug_scattering_function): Same.
4639 (debug_scattering_functions): Same.
4640 * graphite-poly.h (debug_pdr): Update declaration.
4642 (print_pbb_domain): Same.
4644 (print_scop_context): Same.
4646 (print_cloog): Same.
4647 (debug_pbb_domain): Same.
4651 (debug_scop_context): Same.
4653 (debug_cloog): Same.
4654 (print_scop_params): Same.
4655 (debug_scop_params): Same.
4656 (print_iteration_domain): Same.
4657 (print_iteration_domains): Same.
4658 (debug_iteration_domain): Same.
4659 (debug_iteration_domains): Same.
4660 (print_scattering_function): Same.
4661 (print_scattering_functions): Same.
4662 (debug_scattering_function): Same.
4663 (debug_scattering_functions): Same.
4665 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4667 * graphite-poly.c (print_scattering_function_1): New.
4668 (print_scattering_function): Call it.
4669 (print_scop_params): Remove spaces at the end of lines.
4672 * graphite-poly.h (print_cloog): Declared.
4673 (debug_cloog): Declared.
4675 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4677 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4679 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4680 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4681 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4682 to switch between adding the IV bump in loop->latch or in loop->header.
4684 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4686 * graphite-poly.c (print_scattering_function): Pretty print following
4689 (print_pbb_domain): Same.
4690 (dump_gbb_cases): Same.
4691 (dump_gbb_conditions): Same.
4694 (print_scop_params): Same.
4695 (print_scop_context): Same.
4697 (print_pbb_body): New.
4698 (lst_indent_to): New.
4699 (print_lst): Start new lines with a #.
4700 * graphite-poly.h (pbb_bb): New.
4701 (pbb_index): Use pbb_bb.
4702 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4704 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4706 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4708 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4709 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4710 and 0 instead of 1 for dw_val_class_flag.
4711 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4712 dw_val_class_range_list, dw_val_class_loc_list,
4713 dw_val_class_lineptr and dw_val_class_macptr, use
4714 DW_FORM_flag_present for dw_val_class_flag and
4715 DW_FORM_exprloc for dw_val_class_loc.
4716 (output_die): For -gdwarf-4 print dw_val_class_loc
4717 size as uleb128 instead of 1 or 2 bytes and don't print
4718 anything for dw_val_class_flag.
4720 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4721 instead of cselib_lookup following by tweaking locs->setting_insn.
4724 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4725 even before returning from label, setjmp call or volatile asm
4728 2010-03-31 Richard Guenther <rguenther@suse.de>
4731 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4732 temporary data on stack.
4734 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4736 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4737 (PUSHSECTION_ASM_OP): Remove.
4738 (POPSECTION_ASM_OP): Remove.
4739 (PUSHSECTION_FORMAT): Remove.
4740 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4741 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4742 * config/sol2.c (solaris_output_init_fini): Use it.
4744 2010-03-31 Jie Zhang <jie@codesourcery.com>
4747 * opt-functions.awk (var_type_struct): Use signed char type
4748 for simple variables.
4750 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4752 * config/sol2.c: Include output.h.
4753 (solaris_assemble_visibility): New function.
4754 * config/t-sol2 (sol2.o): Add output.h dependency.
4755 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4756 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4759 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4762 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4763 V2SImode or XFmode on PRE_DEC.
4766 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4769 2010-03-31 Jie Zhang <jie@codesourcery.com>
4772 * reload.h (caller_save_initialized_p): Declare.
4773 * toplev.c (backend_init_target): Don't call
4774 init_caller_save but set caller_save_initialized_p to false.
4775 * caller-save.c (caller_save_initialized_p): Define.
4776 (init_caller_save): Check caller_save_initialized_p.
4777 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4779 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4782 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4783 and soft-fp/t-softfp to tmake_file.
4784 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4785 (LIBGCC2_TF_CEXT): Define.
4788 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4791 * cselib.c (n_useless_values): Document handling of debug locs.
4792 (n_useless_debug_values, n_debug_values): New variables.
4793 (new_elt_loc_list): Don't add to debug values, keep count.
4794 (promote_debug_loc): New.
4795 (cselib_reset_table): Zero new variables.
4796 (entry_and_rtx_equal_p): Promote debug locs.
4797 (discard_useless_locs): Increment n_useless_debug_values for
4799 (remove_useless_values): Adjust n_useless_values and n_debug_values
4800 with n_useless_debug_values.
4801 (add_mem_for_addr): Promote debug locs.
4802 (cselib_lookup_mem): Likewise.
4803 (cselib_lookup_addr): Renamed to...
4804 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4805 (cselib_log_lookup): ... this. Turn into...
4806 (cselib_lookup_addr): ... new wrapper.
4807 (cselib_lookup_from_insn): New.
4808 (cselib_invalidate_regno): Increment n_useless_debug_values for
4810 (cselib_invalidate_mem): Likewise.
4811 (cselib_process_insn): Take n_deleted and n_debug_values into
4812 account to guard remove_useless_value call.
4813 (cselib_finish): Zero n_useless_debug_values.
4814 * cselib.h (cselib_lookup_from_insn): Declare.
4815 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4816 (sched_analyze_2): Likewise.
4818 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4820 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4822 (adjust_mems): Replace narrowing SUBREG of expression containing
4823 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4824 with operations in the narrower mode.
4827 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4828 regs_invalidated_by_call instead all call_used_reg_set registers.
4830 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4833 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4834 pointer comparisons with types_compatible_p.
4835 * tree-vect-stmts.c (vectorizable_call): Same.
4836 (vectorizable_condition): Same.
4838 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4840 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4841 stack check if the mask would be zero.
4843 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4844 Jack Howarth <howarth@bromo.med.uc.edu>
4846 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4849 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4852 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4854 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4855 Include ___unordxf2 and ___unordtf2.
4856 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4859 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4861 * config/lm32/t-lm32: New file.
4862 * config.gcc: Use the above file when targetting lm32.
4864 2010-03-28 Duncan Sands <baldrick@free.fr>
4866 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4868 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4871 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4872 Improve vectorization cost model diagnostic.
4874 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4877 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4878 compute_data_dependences_for_loop returns false, early exit
4879 and output an extra diagnostic for the failed data reference
4882 2010-03-29 Richard Guenther <rguenther@suse.de>
4884 PR tree-optimization/43560
4885 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4886 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4888 2010-03-29 Jie Zhang <jie@codesourcery.com>
4891 * toplev.c (process_options): Set optimization_default_node
4892 and optimization_current_node.
4893 * opts.c (decode_options): Don't set optimization_default_node
4894 and optimization_current_node.
4896 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4898 * config/rtems.h: Abandon -qrtems_debug.
4900 2010-03-28 Jan Hubicka <jh@suse.cz>
4902 PR tree-optimization/43505
4903 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4904 map should not be copied.
4906 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4909 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4910 cdtors, set DECL_PRESERVE_P.
4911 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4914 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4916 PR tree-optimization/43528
4917 * stor-layout.c (place_field): Check that constant fits into
4918 unsigned HWI when skipping calculation of MS bitfield layout.
4920 2010-03-27 Jan Hubicka <jh@suse.cz>
4923 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4924 notice_global_symbol work.
4926 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4928 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4929 instead of dwarf2out_decl.
4930 (struct var_loc_node): Remove section_label field.
4931 (dwarf2out_function_decl): New function.
4932 (dwarf2out_var_location): Don't set section_label field.
4933 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4935 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4937 PR tree-optimization/43544
4938 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4939 First argument for builtin vectorized function hook is now a
4940 tree to be able to distinguish between machine specific and
4942 * targhooks.c (default_builtin_vectorized_function): Ditto.
4943 * targhooks.h (default_builtin_vectorized_function): Ditto.
4944 * target.h (struct gcc_target): Ditto.
4945 * tree-vect-stmts.c (vectorizable_function): Ditto.
4946 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4947 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4950 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4953 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4954 nested binding iff it is a FUNCTION_DECL.
4955 (store_parm_decls_newstyle): Pass nested=true to bind for
4956 FUNCTION_DECLs amongst parameters.
4958 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4960 * var-tracking.c (vt_expand_loc_callback): Don't run
4961 cselib_expand_value_rtx_cb in dummy mode if
4962 cselib_dummy_expand_value_rtx_cb returned false.
4964 * var-tracking.c (emit_note_insn_var_location): For one part
4965 notes with offset 0, don't add EXPR_LIST around the location.
4966 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4967 add_location_or_const_value_attribute): Adjust for that change.
4970 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4971 into first operand and location into second.
4972 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4973 dw_cfi_oprnd_loc for DW_CFA_expression.
4974 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4975 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4976 assume first argument is regnum and second argument is location.
4978 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4981 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4982 of scratch register to DImode. Split to DImode comparison operator.
4983 Use SImode subreg of scratch register in the multiplication.
4984 (*cmp_sadd_sidi): Ditto.
4985 (*cmp_ssub_si): Ditto.
4986 (*cmp_ssub_sidi): Ditto.
4988 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4991 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4992 Remove invalid assert and wrong comment.
4994 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4997 * flags.h (final_insns_dump_p): New extern.
4998 * final.c (final_insns_dump_p): New variable.
4999 (rest_of_clean_state): Set it before -fdump-final-insns=
5000 dumping, clear afterwards.
5001 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5002 MEM_ALIAS_SET on MEMs.
5004 2010-03-26 David S. Miller <davem@davemloft.net>
5006 * configure.ac: Fix sparc GOTDATA_OP bug check.
5007 * configure: Rebuild.
5009 2010-03-26 Alan Modra <amodra@gmail.com>
5011 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5013 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5015 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5016 TLS_SECTION_ASM_FLAG.
5018 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5021 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5022 Clear first_function_block_is_cold.
5025 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5026 argument if the argument is truth_value_p.
5028 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5030 * config/rs6000/constraints.md: Update copyright year for my changes.
5033 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5034 used in reg+reg addressing, swap registers.
5036 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5039 * target.h (struct gcc_target): Add code_end hook.
5040 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5042 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5043 * toplev.c (compile_file): Call targetm.asm_out.code_end
5044 hook before unwind info/debug info output.
5045 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5046 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5047 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5048 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5049 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5050 * config/i386/i386.c (ix86_file_end): Renamed to...
5051 (ix86_code_end): ... this. Make static. Don't call
5052 file_end_indicate_exec_stack. Emit unwind info using
5053 final_start_function/final_end_function.
5054 (darwin_x86_file_end): Remove.
5055 (TARGET_ASM_CODE_END): Define.
5056 * config/i386/i386.h (TARGET_ASM_FILE_END,
5057 NEED_INDICATE_EXEC_STACK): Don't define.
5058 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5059 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5060 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5061 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5064 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5065 at the beginning and final_end_function at the end.
5066 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5068 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5070 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5071 and Sun as TLS syntax.
5072 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5073 * configure: Regenerate.
5074 * config.in: Regenerate.
5075 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5076 (default_elf_asm_named_section): Use it.
5077 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5078 (i386_output_dwarf_dtprel): Likewise.
5079 (output_addr_const_extra): Likewise.
5080 (output_pic_addr_const): Lowercase @GOTTPOFF.
5081 (output_addr_const_extra): Likewise.
5082 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5083 (output_addr_const_extra): Likewise.
5084 (output_pic_addr_const): Lowercase @INDNTPOFF.
5085 (output_addr_const_extra): Likewise.
5086 (output_pic_addr_const): Lowercase @NTPOFF.
5087 (output_addr_const_extra): Likewise.
5088 (output_pic_addr_const): Lowercase @TPOFF.
5089 (output_addr_const_extra): Likewise.
5090 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5091 (*tls_global_dynamic_64): Likewise.
5092 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5093 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5095 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5096 (ASM_OUTPUT_TLS_COMMON): Use it.
5097 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5100 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5101 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5102 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5103 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5104 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5105 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5107 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5109 * config/i386/i386.c (override_options): Don't accept
5110 -mtls-dialect=sun any longer.
5111 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5112 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5113 (*tls_local_dynamic_base_32_sun): Likewise.
5114 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5116 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5119 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5120 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5123 * ira.c (adjust_cleared_regs): New function.
5124 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5128 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5130 * expr.c (expand_expr_real): Restore previous
5131 curr_insn_source_location and curr_insn_block after
5132 expand_expr_real_1 call.
5133 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5134 instead of expand_expr_real_1.
5136 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5138 PR rtl-optimization/43413
5139 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5142 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5145 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5146 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5148 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5150 * config/i386/i386.c (ix86_target_string): Add -mfma.
5151 Fix a typo in comment.
5153 2010-03-22 Mike Stump <mikestump@comcast.net>
5156 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5157 Don't overly align based upon packed packed fields.
5159 2010-03-22 Jason Merrill <jason@redhat.com>
5161 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5162 Use () rather than [], and move before the element type.
5164 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5166 * doc/configfiles.texi (Configuration Files): Removed
5167 fixinc/Makefile*, intl/Makefile.*.
5168 * doc/makefile.texi: Fixed markup. Abstract from version
5169 control system used.
5170 (Makefile): Removed obsolete gcc/java/parse.y example.
5171 * doc/sourcebuild.texi: Likewise.
5172 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5173 libgomp, libssp. Removed fastjar.
5174 (Miscellaneous Docs): Clarify location.
5175 Added COPYING3, COPYING3.LIB.
5176 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5178 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5181 * config/i386/i386.c (x86_function_profiler)
5182 [!NO_PROFILE_COUNTERS]: Fix typo.
5183 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5186 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5187 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5189 * doc/sourcebuild.texi (Test Directives): Split into six
5190 subsections, with most of the current text in new subsections
5191 Directives, Selectors, and Final Actions.
5192 (Directives): Split list of test directives into multiple
5194 (Selectors): Describe use and syntax of selectors.
5195 (Effective-Target Keywords): Describe all existing keywords.
5196 (Add Options): Describe features for dg-add-options.
5197 (Require Support): Describe variants of dg-require-support.
5198 (Final Actions): Describe commands to use in dg-final.
5200 2010-03-22 Michael Matz <matz@suse.de>
5203 * recog.c (validate_replace_rtx_group): Replace also in
5204 REG_EQUAL and REG_EQUIV notes.
5206 2010-03-22 Richard Guenther <rguenther@suse.de>
5208 PR tree-optimization/43390
5209 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5210 sure vector extracts are type correct.
5212 2010-03-22 Richard Guenther <rguenther@suse.de>
5215 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5216 x * sqrt (x) even when optimizing for size if the target
5217 has native support for sqrt.
5219 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5221 * varasm.c (make_decl_rtl_for_debug): Also clear
5222 flag_mudflap for the duration of make_decl_rtl call.
5225 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5226 locs from preserved VALUEs.
5228 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5231 * pa.md (movmemsi): Set align to one if zero.
5232 (movmemdi): Likewise.
5234 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5237 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5238 with their corresponding prologue pushes.
5240 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5243 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5244 at the begining or end.
5245 (spu_expand_epilogue): Likewise.
5247 2010-03-20 Richard Guenther <rguenther@suse.de>
5249 PR rtl-optimization/43438
5250 * combine.c (make_extraction): Properly zero-/sign-extend an
5251 extraction of the low part of a CONST_INT. Also handle
5254 2010-03-19 Mike Stump <mikestump@comcast.net>
5256 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5257 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5258 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5260 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5263 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5266 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5268 PR rtl-optimization/42258
5269 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5270 use that may match DEF.
5273 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5274 the cost of loading the constant rather than assuming
5276 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5277 outer code is AND, do the same tests as the andsi3 expander and
5278 return COSTS_N_INSNS (1) if and is cheap.
5280 * optabs.c (avoid_expensive_constant): Fix formatting.
5282 2010-03-19 Michael Matz <matz@suse.de>
5285 * attribs.c (decl_attributes): When rebuilding a function pointer
5286 type use the same qualifiers as the original pointer type.
5288 2010-03-19 Martin Jambor <mjambor@suse.cz>
5290 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5291 and is_gimple_ip_invariant_address.
5293 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5296 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5298 * config/arm/arm.c (arm_override_options): Turn off
5299 flag_dwarf2_cfi_asm for AAPCS variants.
5301 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5304 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5305 Use PRE_MODIFY instead of PRE_DEC.
5306 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5307 (vfp_emit_fstmd): Likewise.
5309 2010-03-19 Michael Matz <matz@suse.de>
5312 * builtins.c (expand_builtin_interclass_mathfn,
5313 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5316 2010-03-19 Richard Guenther <rguenther@suse.de>
5318 PR tree-optimization/43415
5319 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5320 (phi_translate_1): ... this.
5321 (phi_translate): Move all caching here. Cache all NARY
5322 and REFERENCE translations.
5324 2010-03-19 David S. Miller <davem@davemloft.net>
5326 With help from Eric Botcazou.
5327 * config/sparc/sparc.c: Include dwarf2out.h.
5328 (emit_pic_helper): Delete.
5329 (pic_helper_symbol_name): Delete.
5330 (pic_helper_emitted_p): Delete.
5331 (pic_helper_needed): New.
5332 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5333 (get_pc_thunk_name): New.
5334 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5335 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5336 Set pic_helper_needed to true. Don't call emit_pic_helper.
5337 (sparc_expand_prologue): Update load_pic_register call.
5338 (sparc_output_mi_thunk): Likewise.
5339 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5340 thunk if possible. Output CFI information as needed.
5342 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5343 Jack Howarth <howarth@bromo.med.uc.edu>
5346 * config/i386/i386.h: Fix ABI on darwin x86-32.
5348 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5350 * tree.h: Declare make_decl_rtl_for_debug.
5351 * varasm.c (make_decl_rtl_for_debug): New.
5352 * dwarf2out.c (rtl_for_decl_location): Call it.
5353 * cfgexpand.c (expand_debug_expr): Call it.
5355 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5358 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5362 * var-tracking.c (vt_init_cfa_base): Do nothing if
5363 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5365 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5368 * var-tracking.c (canonicalize_vars_star): New.
5369 (dataflow_post_merge_adjust): Use it.
5371 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5374 * var-tracking.c (non_suitable_const): New function.
5375 (add_uses): For DEBUG_INSNs with constants, don't record any
5376 value, instead just the constant value itself.
5377 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5378 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5379 (emit_notes_in_bb): Likewise.
5380 (emit_note_insn_var_location): For onepart variables if
5381 cur_loc is a VOIDmode constant, use DECL_MODE.
5383 2010-03-18 Martin Jambor <mjambor@suse.cz>
5386 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5387 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5388 all non-clones. Moved call redirection...
5389 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5390 (cgraph_materialize_all_clones): Dispose of all
5391 combined_args_to_skip bitmaps.
5392 (verify_cgraph_node): Do not check for edges pointing to wrong
5393 nodes in inline clones.
5394 * tree-inline.c (copy_bb): Call
5395 cgraph_redirect_edge_call_stmt_to_callee.
5396 * ipa.c (cgraph_remove_unreachable_nodes): Call
5397 cgraph_node_remove_callees even when there are used clones.
5399 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5401 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5403 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5406 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5409 2010-03-18 Michael Matz <matz@suse.de>
5412 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5413 into sqrt(x) if we need to preserve signed zeros.
5415 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5416 Eric Botcazou <ebotcazou@adacore.com>
5418 PR rtl-optimization/43360
5419 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5420 note if we don't know its invariant status.
5422 2010-03-18 Michael Matz <matz@suse.de>
5424 PR tree-optimization/43402
5425 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5426 PHI chains of ssa names registered for update.
5428 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5431 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5432 non-offsettable and pre_modify update addressing.
5433 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5434 and "2" alternatives "#".
5435 (*movdd_softfloat32): Make all alternatives "#";
5436 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5437 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5438 (*movdf_softfloat32): Make all alternatives "#";
5439 (movdi): Use the new DIFD mode iterator to create a common splitter
5440 for movdi, movdf and movdd patterns.
5442 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5444 * common.opt (dumpdir): Remove redundant tab.
5446 2010-03-17 Martin Jambor <mjambor@suse.cz>
5448 PR tree-optimization/43347
5449 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5450 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5452 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5454 PR rtl-optimization/42216
5455 * regrename.c (create_new_chain): New function, broken out from...
5456 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5457 appending a use to an empty chain.
5458 (build_def_use): Remove previous changes that convert OP_INOUT to
5459 OP_OUT operands; instead detect the case where an OP_INOUT operand
5460 uses a previously untracked register and create an empty chain for it.
5462 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5464 * doc/extend.texi (Function Attributes): Rewrite unfinished
5465 sentence in ms_abi documentation.
5467 2010-03-17 Alan Modra <amodra@gmail.com>
5469 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5470 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5471 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5472 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5474 2010-03-16 Richard Henderson <rth@redhat.com>
5477 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5478 (lower_try_finally): Save and restore eh_seq around the expansion
5481 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5483 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5484 statements before splitting block.
5486 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5488 * doc/sourcebuild.texi (Testsuites): Fix markup.
5489 Use pathnames relative to gcc/testsuite.
5490 (Test Directives): Move description of how timeout is determined.
5491 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5492 (C Tests): Correct gcc.misc-tests directory.
5493 Framework tests now live in gcc.test-framework.
5495 2010-03-16 Richard Guenther <rguenther@suse.de>
5498 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5499 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5501 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5502 Alexandre Oliva <aoliva@redhat.com>
5504 PR tree-optimization/42917
5505 * lambda-code.c (remove_iv): Skip debug statements.
5506 (lambda_loopnest_to_gcc_loopnest): Likewise.
5507 (not_interesting_stmt): Debug statements are not interesting.
5509 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5513 * cselib.c (cselib_preserve_constants,
5514 cfa_base_preserved_val): New static variables.
5515 (preserve_only_constants): New function.
5516 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5517 clear its REG_VALUES. If cselib_preserve_constants, don't
5518 empty the whole hash table, but preserve there VALUEs with constants,
5519 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5520 (cselib_preserve_cfa_base_value): New function.
5521 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5522 (cselib_init): Change argument to int bitfield. Set
5523 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5525 (cselib_finish): Clear cselib_preserve_constants and
5526 cfa_base_preserved_val.
5527 * cselib.h (enum cselib_record_what): New enum.
5528 (cselib_init): Change argument to int.
5529 (cselib_preserve_cfa_base_value): New prototype.
5530 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5531 * dse.c (dse_step1): Likewise.
5532 * cfgcleanup.c (thread_jump): Likewise.
5533 * sched-deps.c (sched_analyze): Likewise.
5534 * gcse.c (local_cprop_pass): Likewise.
5535 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5536 If FN is non-NULL, call the callback always and whenever it returns
5537 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5538 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5539 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5540 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5541 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5542 * var-tracking.c: Include recog.h.
5543 (bb_stack_adjust_offset): Remove.
5544 (vt_stack_adjustments): Don't call it, instead just gather the
5545 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5546 (adjust_stack_reference): Remove.
5547 (compute_cfa_pointer): New function.
5548 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5549 (struct adjust_mem_data): New type.
5550 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5552 (get_address_mode): New function.
5553 (replace_expr_with_values): Use it.
5554 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5555 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5556 (adjust_sets): Remove.
5557 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5558 Use get_address_mode.
5559 (get_adjusted_src): Remove.
5560 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5561 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5562 (add_with_sets): Don't call adjust_sets.
5563 (fp_setter, vt_init_cfa_base): New functions.
5564 (vt_initialize): Change return type to bool. Move most of pool etc.
5565 initialization to the beginning of the function from end. Pass
5566 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5567 If !frame_pointer_needed, call vt_stack_adjustment before mos
5568 vector is filled, call vt_init_cfa_base if argp/framep has been
5569 eliminated to sp. If frame_pointer_needed and argp/framep has
5570 been eliminated to hard frame pointer, set
5571 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5572 encountering fp setter in the prologue. For MO_ADJUST, call
5573 log_op_type before pusing the op into mos vector, not afterwards.
5574 Call adjust_insn before cselib_process_insn/add_with_sets,
5575 call cancel_changes (0) afterwards.
5576 (variable_tracking_main_1): Adjust for vt_initialize calling
5577 vt_stack_adjustments and returning whether it succeeded or not.
5579 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5581 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5584 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5586 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5588 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5589 drap_reg has not been set.
5591 2010-03-15 Michael Matz <matz@suse.de>
5594 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5595 use it to expand block copies.
5596 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5597 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5598 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5600 2010-03-15 Richard Guenther <rguenther@suse.de>
5602 PR tree-optimization/43367
5603 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5606 2010-03-15 Richard Guenther <rguenther@suse.de>
5608 PR tree-optimization/43317
5609 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5611 2010-03-15 Martin Jambor <mjambor@suse.cz>
5613 PR tree-optimization/43141
5614 * tree-sra.c (create_abstract_origin): New function.
5615 (modify_function): Call create_abstract_origin.
5617 2010-03-15 Chris Demetriou <cgd@google.com>
5619 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5622 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5625 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5626 call insert_out_of_ssa_copy for default definitions.
5628 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5630 * graphite-clast-to-gimple.c (my_long_long): Defined.
5631 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5632 * graphite-sese-to-poly.c (my_long_long): Defined.
5633 (scop_ivs_can_be_represented): Use it.
5635 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5637 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5638 graphite-max-bbs-per-function, and loop-block-tile-size.
5639 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5641 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5643 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5645 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5646 forward declaration.
5647 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5648 (add_upper_bounds_from_estimated_nit): New.
5649 (build_loop_iteration_domains): Use it.
5651 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5653 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5655 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5658 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5659 should be an INTEGER_CST. Also handle CASE_CONVERT.
5661 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5663 * graphite.c (graphite_initialize): To bound the number of bbs per
5664 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5665 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5666 * doc/invoke.texi: Document it.
5668 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5670 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5671 * graphite-sese-to-poly.h (build_poly_scop): Same.
5673 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5675 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5676 the number of parameters in the scop. Use as an upper bound
5677 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5678 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5679 * doc/invoke.texi: Document it.
5681 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5683 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5684 * doc/c-tree.texi: Remove.
5685 * doc/generic.texi: Merge c-tree.texi here.
5686 * doc/gccint.texi (Trees): Remove menu entry.
5687 (c-tree.texi): Remove @include.
5688 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5689 * doc/languages.texi (Reading RTL): Ditto.
5691 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5694 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5696 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5699 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5700 code added to work around reload clobbering CONST insns.
5702 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5704 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5705 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5706 (cselib_preserve_only_values): Remove retain argument, don't
5707 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5708 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5709 * var-tracking.c (micro_operation): Move insn field before union.
5710 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5711 (struct variable_tracking_info_def): Remove n_mos field, change
5712 mos into a vector of micro_operations.
5713 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5714 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5715 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5716 changing into a vector.
5717 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5718 come before all other uops generated by add_stores.
5719 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5721 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5722 a vector. Run just one pass over the bbs instead of separate counting
5723 and computation phase.
5724 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5727 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5728 into *nonlocalized_list vector.
5729 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5730 even if origin is non-NULL.
5731 (gen_variable_die): Likewise.
5732 (process_scope_var): Don't change origin.
5733 (gen_decl_die): Likewise.
5734 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5735 before adding new edges instead of after it, fix moving over
5738 2010-03-11 David S. Miller <davem@davemloft.net>
5740 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5742 * configure: Rebuild.
5744 2010-03-11 Martin Jambor <mjambor@suse.cz>
5746 PR tree-optimization/43257
5747 * tree.c (assign_assembler_name_if_neeeded): New function.
5748 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5750 * tree.h (assign_assembler_name_if_neeeded): Declare.
5751 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5752 the function if needed.
5754 2010-03-11 Chris Demetriou <cgd@google.com>
5756 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5757 include/stdint-gcc.h, and include/stdint.h world-readable.
5759 2010-03-11 Richard Guenther <rguenther@suse.de>
5761 PR tree-optimization/43255
5762 * tree-vrp.c (process_assert_insertions_for): Do not insert
5763 asserts for trivial conditions.
5765 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5767 PR tree-optimization/43280
5768 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5769 generation. Move calculation of size out of the if branch.
5770 (find_bswap): Modify compare number generation.
5772 2010-03-11 Richard Guenther <rguenther@suse.de>
5775 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5776 (input_gimple_stmt): Fixup handled component types during
5777 operand read. Also fix up decls in ADDR_EXPRs.
5779 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5781 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5782 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5784 2010-03-10 Jan Hubicka <jh@suse.cz>
5787 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5788 * varasm.c (get_variable_section): Don't do that here...
5789 (make_decl_rtl): ... and here.
5790 (do_assemble_alias): Produce decl RTL.
5791 (assemble_alias): Likewise.
5793 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5796 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5797 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5799 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5800 (based_loc_descr): Only express drap or vdrap regno based expressions
5801 using DW_OP_fbreg when not optimizing.
5802 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5803 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5804 REG_CFA_SET_VDRAP note.
5806 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5808 PR tree-optimization/43236
5809 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5810 error in calculation of base address in reverse iteration case.
5811 (generate_builtin): Take number of latch executions if the statement
5814 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5817 * tree-eh.c: Include pointer-set.h.
5818 (lower_eh_dispatch): Filter out duplicate case labels and
5819 remove the unneeded edge when the label is unused. Return
5820 true when some edges are removed.
5821 (execute_lower_eh_dispatch): When any lowering resulted in
5822 removing an edge, also delete unreachable blocks.
5824 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5827 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5828 UNSPEC_MACHOPIC_OFFSET.
5830 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5833 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5834 (m68k_delegitimize_address): New function.
5836 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5839 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5842 * var-tracking.c (adjust_sets): New function.
5843 (count_with_sets, add_with_sets): Use it.
5844 (get_adjusted_src): New inline function.
5845 (add_stores): Use it.
5848 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5849 call cselib_dummy_expand_value_rtx_cb instead of
5850 cselib_expand_value_rtx_cb.
5853 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5854 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5855 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5856 and .cfi_endproc around the pic thunks.
5857 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5858 all queued unwind info register saves are saved before the call.
5859 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5860 considered as sp-=4 for unwind info and the pop as sp+=4 which
5861 also clobbers dest, but doesn't actually restore it.
5864 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5865 RTX_FRAME_RELATED_P.
5867 2010-03-09 Jie Zhang <jie@codesourcery.com>
5869 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5870 whitespaces in output template.
5872 2010-03-09 Jie Zhang <jie@codesourcery.com>
5874 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5877 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5879 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5880 builtins.exp in a separate job.
5882 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5884 * graphite-sese-to-poly.c (add_param_constraints): Use
5885 lower_bound_in_type and upper_bound_in_type.
5887 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5889 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5890 instead of unsigned_type_node.
5892 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5893 Reza Yazdani <reza.yazdani@amd.com>
5896 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5897 on pointer type parameters.
5899 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5903 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5904 handle conversions from pointer to integers.
5905 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5906 induction variable, to be able to work with code generated by CLooG.
5907 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5908 (build_poly_scop): Bail out if we cannot codegen a loop.
5910 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5912 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5913 code generation with gloog_error.
5915 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5917 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5918 Call fold_convert on all the returned values.
5919 (expand_scalar_variables_expr): Pass to
5920 expand_scalar_variables_ssa_name the type of the resulting expression.
5922 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5924 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5925 ppl_min_for_le_pointset.
5926 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5927 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5929 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5931 * graphite-dependences.c (map_into_dep_poly): Removed.
5932 (dependence_polyhedron_1): Use combine_context_id_scat.
5934 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5936 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5937 (struct poly_bb): Same.
5938 (combine_context_id_scat): New.
5940 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5943 * sese.c (name_defined_in_loop_p): Return false for default
5946 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5948 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5949 and clean up the logic.
5951 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5953 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5956 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5958 * var-tracking.c (remove_cselib_value_chains): Define only for
5960 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5961 delete_slot_part, emit_notes_for_differences_1): Don't call
5962 remove_cselib_value_chains here.
5963 (set_slot_part, emit_notes_for_differences_2): Don't call
5964 add_cselib_value_chains here.
5965 (preserved_values): New vector.
5966 (preserve_value): New function.
5967 (add_uses, add_stores, vt_add_function_parameters): Use it
5968 instead of cselib_preserve_value.
5969 (changed_values_stack): New vector.
5970 (check_changed_vars_0): New function.
5971 (check_changed_vars_1, check_changed_vars_2): Use it.
5972 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5973 changed_values_stack VALUEs.
5974 (vt_emit_notes): For all preserved_values call
5975 add_cselib_value_chains. If ENABLE_CHECKING call
5976 remove_cselib_value_chains before verifying value_chains is empty.
5977 Initialize and free changed_values_stack.
5978 (vt_initialize): Initialize preserved_values.
5979 (vt_finalize): Free preserved_values.
5981 2010-03-08 Richard Guenther <rguenther@suse.de>
5983 PR tree-optimization/43269
5984 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5987 2010-03-08 Martin Jambor <mjambor@suse.cz>
5989 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5990 (ipa_is_param_called): Removed.
5991 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5992 (ipa_print_node_params): Do not print the called flag.
5993 (ipa_write_node_info): Do not stream the called flag.
5994 (ipa_read_node_info): Likewise.
5996 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5999 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6000 * cselib.c (struct expand_value_data): Add dummy field.
6001 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6003 (cselib_dummy_expand_value_rtx_cb): New function.
6004 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6006 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6007 * var-tracking.c: Include pointer-set.h.
6008 (variable): Change n_var_parts to char from int. Add
6009 cur_loc_changed and in_changed_variables fields.
6010 (variable_canonicalize): Remove.
6011 (shared_var_p): New inline function.
6012 (unshare_variable): Maintain cur_loc_changed and
6013 in_changed_variables fields. If var was in changed_variables,
6014 replace it there with new_var. Just copy cur_loc instead of
6015 resetting it to something else.
6016 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6017 (dataflow_set_union): Don't call variable_canonicalize.
6018 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6019 of their DEBUG_EXPR_TREE_DECLs.
6020 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6021 and in_changed_variables and cur_loc_changed is false.
6022 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6023 and cur_loc_changed. Don't update cur_loc here.
6024 (variable_merge_over_src): Don't call variable_canonicalize.
6025 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6026 removing loc that is equal to cur_loc, clear cur_loc,
6027 set cur_loc_changed and ensure variable_was_changed is called.
6028 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6029 compare pointers in cur_loc check, if it is equal to loc,
6030 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6031 (variable_different_p): Remove compare_current_location argument,
6032 don't compare cur_loc.
6033 (dataflow_set_different_1): Adjust variable_different_p caller.
6034 (variable_was_changed): If dv had some var in changed_variables
6035 already, reset in_changed_variables flag for it and propagate
6036 cur_loc_changed over to the new variable. On empty var
6037 always set cur_loc_changed. Set in_changed_variables on whatever
6038 var is added to changed_variables.
6039 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6040 Use shared_var_p. When removing loc that is equal to cur_loc,
6041 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6042 end, don't set it to something else, just call variable_was_changed.
6043 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6044 loc being removed, clear cur_loc and set cur_loc_changed.
6045 Set cur_loc_changed if all locations have been removed.
6046 (struct expand_loc_callback_data): New type.
6047 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6048 allocated. Always create SUBREGs if simplify_subreg failed.
6049 Prefer to use cur_loc, when that fails and still in
6050 changed_variables (and seen first time) recompute it. Set
6051 cur_loc_changed of variables which had to change cur_loc and
6052 compute elcd->cur_loc_changed if any of the subexpressions used
6053 had to change cur_loc.
6054 (vt_expand_loc): Adjust to pass arguments in
6055 expand_loc_callback_data structure.
6056 (vt_expand_loc_dummy): New function.
6057 (emitted_notes): New variable.
6058 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6059 that weren't used for any other decl in current
6060 emit_notes_for_changes call call vt_expand_loc_dummy to update
6061 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6062 first loc_chain location if NULL before. Always use just
6063 cur_loc instead of first loc_chain location. When cur_loc_changed
6064 is false, when not --enable-checking=rtl just don't emit any note.
6065 When rtl checking, compute the note and assert it is the same
6066 as previous note. Clear cur_loc_changed and in_changed_variables
6067 at the end before removing from changed_variables.
6068 (check_changed_vars_3): New function.
6069 (emit_notes_for_changes): Traverse changed_vars to call
6070 check_changed_vars_3 on each changed var.
6071 (emit_notes_for_differences_1): Clear cur_loc_changed and
6072 in_changed_variables. Recompute cur_loc of new_var.
6073 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6074 (vt_emit_notes): Initialize and destroy emitted_notes.
6076 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6078 PR rtl-optimization/42220
6079 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6080 Use verify_reg_tracked to determine if we should use OP_OUT rather
6082 (build_def_use): If we see an in-out operand for a register that we
6083 know nothing about, treat is an output if possible, fail the block if
6086 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6089 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6092 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6095 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6096 uses of relevant DEFs that are dead outside the loop too.
6098 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6100 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6102 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6104 * var-tracking.c (values_to_unmark): New variable.
6105 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6106 values_to_unmark vector. Moved body to...
6107 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6108 instead queue it into values_to_unmark vector.
6109 (vt_find_locations): Free values_to_unmark vector.
6111 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6113 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6114 (site.exp): Export them when plugins are enabled.
6116 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6119 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6121 (chrec_fold_multiply): Same.
6123 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6126 * c-decl.c (build_compound_literal): Return early if init is
6129 2010-03-04 Martin Jambor <mjambor@suse.cz>
6131 PR tree-optimization/43164
6132 PR tree-optimization/43191
6133 * tree-sra.c (type_consists_of_records_p): Reject records with
6134 zero-size bit-fields at the end.
6136 2010-03-04 Mike Stump <mikestump@comcast.net>
6138 * Makefile.in (TAGS): Remove *.y.
6140 2010-03-04 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/40761
6143 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6145 (my_rev_post_order_compute): New function.
6146 (init_pre): Call it.
6148 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6151 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6152 decrease the cost of an IV candidate when the cost is infinite.
6154 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6156 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6157 Use '3DNow!' for the extension of that name, ensure normal space
6159 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6161 2010-03-03 Jeff Law <law@redhat.com>
6163 * PR middle-end/32693
6164 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6165 than gen_rtx_SUBREG.
6166 (extract_bit_field_1): Likewise.
6168 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6170 * doc/sourcebuild.texi (Test directives): Document that arguments
6171 include-opts and exclude-opts are now optional for dg-skip-if,
6172 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6174 2010-03-03 Jason Merrill <jason@redhat.com>
6177 * cgraph.h (varpool_node): Add extra_name field.
6178 * varpool.c (varpool_extra_name_alias): New.
6179 (varpool_assemble_decl): Emit extra name aliases.
6180 (varpool_mark_needed_node): Look past an extra name alias.
6181 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6182 * lto-streamer-in.c (lto_input_tree): Read it.
6183 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6185 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6187 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6188 (sparc*-*-solaris2*): ...this.
6190 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6193 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6194 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6195 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6196 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6199 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6200 fallthrough to default handling, just with want_address 0 instead of 2.
6201 For single element lists, add_AT_loc directly, otherwise create an
6202 artificial variable DIE and stick location list to it.
6205 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6206 (VAL_EXPR_HAS_REVERSE): Define.
6207 (reverse_op): New function.
6208 (add_stores): For reversible operations add an extra MO_VAL_USE.
6210 2010-03-02 Jason Merrill <jason@redhat.com>
6212 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6214 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6216 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6217 (sparc64-*-linux*): Likewise.
6218 (sparc64-*-solaris2*): Include assembler files before linker ones.
6219 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6220 * config/sparc/gas.h: Delete.
6221 * config/sparc/sol2-64.h: Add copyright notice.
6222 * config/sparc/sol2-gas-bi.h: Likewise.
6223 * config/sparc/sol2-gld.h: Likewise.
6224 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6225 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6226 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6227 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6228 (sparc_elf_asm_named_section): Rename into...
6229 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6231 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6233 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6235 2010-03-02 Jeff Law <law@redhat.com>
6238 * reload1.c (rtx_p, substitute_stack): Declare.
6239 (substitute): Record addresses of changed rtxs.
6240 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6241 Restore the original rtx when complete.
6242 (reload): Free subsitute_stack when complete.
6244 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6246 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6247 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6249 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6250 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6251 Torture Tests): Change from subsection to section.
6253 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6254 Steven Bosscher <steven@gcc.gnu.org>
6256 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6259 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6262 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6263 the assignment from the new induction variable to the assignment
6264 of the value from the original loop PHI function.
6266 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6267 Daniel Jacobowitz <dan@codesourcery.com>
6269 * doc/sourcebuild.texi (Test directives): Clarify options to
6272 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6274 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6275 Disable cfi directives unless GCC and gas agree on using read-only
6276 .eh_frame sections for 64-bit.
6277 * configure: Regenerate.
6279 2010-03-01 Richard Guenther <rguenther@suse.de>
6281 PR tree-optimization/43220
6282 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6283 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6285 2010-03-01 Richard Guenther <rguenther@suse.de>
6286 Martin Jambor <mjambor@suse.cz>
6289 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6290 gimplified parameters.
6292 2010-03-01 Christian Bruel <christian.bruel@st.com>
6294 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6296 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6298 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6300 2010-03-01 Richard Guenther <rguenther@suse.de>
6303 * expr.c (expand_assignment): Use the alias-oracle to tell
6304 if the rhs aliases the result decl.
6306 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6309 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6310 to sol_gt_pch_get_address.
6311 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6312 64-bit, SPARC and x86.
6313 (sol_gt_pch_get_address): New function.
6315 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6317 * toplev.h (inform_n, error_n): Declare.
6318 * diagnostic.c (inform_n, error_n): New function.
6320 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6322 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6323 has no rtl yet when processing local_decls, queue it and recheck
6324 if deferred stack allocation hasn't assigned it rtl.
6326 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6328 * config/sh/sh.c (unspec_bbr_uid): New.
6329 (gen_block_redirect): Use it instead of INSN_UID.
6330 (gen_far_branch): Likewise.
6332 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6334 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6335 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6337 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6339 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6340 (Warning Options): -Wno-conversion-null is valid for
6341 Objective-C++ as well.
6342 * doc/tm.texi (Named Address Spaces): Likewise.
6343 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6344 * doc/tree-ssa.texi (Tree SSA): Likewise.
6346 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6349 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6350 by default. Don't set the default arch for
6351 i[34567]86-*-darwin*|x86_64-*-darwin*.
6353 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6356 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6357 default. Set the default 32bit/64bit archs with $with_arch
6358 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6360 2010-02-27 Richard Guenther <rguenther@suse.de>
6362 PR tree-optimization/43186
6363 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6364 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6365 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6366 unroller iterations.
6368 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6370 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6371 required and i[34567]86-*-* targets don't support 64bit ISA.
6373 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6376 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6379 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6381 * config.gcc: Set the default arch at least to Prescott for
6382 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6383 if SSE math is enabled.
6385 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6387 * diagnostic.c (diagnostic_initialize): Update.
6388 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6390 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6391 (diagnostic_inhibit_notes): New.
6392 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6394 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6397 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6398 * doc/standards.texi: Likewise.
6399 * doc/extend.texi: Likewise.
6400 * doc/trouble.texi: Likewise.
6401 * doc/cppopts.texi: Likewise.
6402 * doc/install.texi: Likewise.
6403 * c.opt (std=c90,std=gnu90): New options.
6404 * c-opts.c (c_common_handle_option): Handle them.
6406 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6409 * c-decl.c (undeclared_variable): Use an informative note.
6411 2010-02-26 Richard Guenther <rguenther@suse.de>
6413 PR tree-optimization/43186
6414 * gimple.h (gimple_fold): Remove.
6415 * gimple.c (gimple_fold): Remove. Inline into single user ...
6416 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6417 Try harder for conditions.
6419 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6422 * function.c (used_types_insert): Don't skip through named pointer
6423 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6424 and it is different from the main variant's type.
6426 2010-02-26 Nick Clifton <nickc@redhat.com>
6428 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6430 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6432 * config.gcc: Support --with-fpmath=sse for x86.
6434 * config/i386/ssemath.h: New.
6436 * doc/install.texi (--with-fpmath=sse): Documented.
6438 2010-02-26 Richard Guenther <rguenther@suse.de>
6440 PR tree-optimization/43188
6441 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6442 vector types of over-aligned element type.
6444 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6447 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6448 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6450 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6452 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6454 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6456 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6457 * var-tracking.c: Include diagnostic.h.
6458 (debug_dv): New function.
6459 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6462 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6463 (add_value_chain, add_value_chains, remove_value_chain,
6464 remove_value_chains): Handle DEBUG_EXPRs.
6465 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6468 * regcprop.c (struct queued_debug_insn_change): New type.
6469 (struct value_data_entry): Add debug_insn_changes field.
6470 (struct value_data): Add n_debug_insn_changes field.
6471 (debug_insn_changes_pool): New variable.
6472 (free_debug_insn_changes, apply_debug_insn_changes,
6473 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6474 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6475 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6477 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6479 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6480 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6481 changes, call cprop_find_used_regs via note_stores.
6482 (copyprop_hardreg_forward): When copying vd from predecessor
6483 which has any queued DEBUG_INSN changes, make sure the pointers are
6484 cleared. At the end call df_analyze and then if there are any
6485 DEBUG_INSN changes queued at the end of some basic block for still
6486 live registers, apply them.
6487 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6489 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6491 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6494 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6496 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6497 targets. Set the default with_cpu/with_arch from arch/cpu.
6498 Allow x86-64 and native for with_cpu/with_arch.
6500 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6502 * ebitmap.c: Change calls to verify_popcount with calls to
6503 sbitmap_verify_popcount.
6504 (ebitmap_clear_bit): Fixed map->cacheindex test and
6505 map>cache update when bit clearing results in an empty
6508 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6511 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6512 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6513 and support both V2DF and V2DI modes.
6514 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6515 support both V2DF and V2DI modes.
6516 (general): Delete trailing whitespace from a few patterns.
6518 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6519 V2DF/V2DI interleave high/low builtins.
6521 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6524 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6525 interleave high/low functions.
6527 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6529 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6530 #pragma extern_prefix.
6532 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6535 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6536 BLKmode, assert op0 is a MEM and just adjust its mode.
6539 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6540 if bitpos isn't multiple of mode's bitsize.
6542 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6544 * c.opt (-ftemplate-depth=): New.
6545 (-ftemplate-depth-): Deprecate.
6546 * optc-gen.awk: Handle -ftemplate-depth=.
6547 * opth-gen.awk: Likewise.
6548 * c-opts.c (c_common_handle_option): Likewise.
6549 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6551 2010-02-24 Jason Merrill <jason@redhat.com>
6553 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6555 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6557 * cfg.c (alloc_aux_for_block): Remove inline.
6558 (alloc_aux_for_edge): Likewise.
6560 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6562 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6564 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6566 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6567 * config/i386/sol2-gas.h: New file.
6568 * config.gcc (i[34567]86-*-solaris2*): Use it.
6570 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6573 * c-typeck.c (ep_convert_and_check): New.
6574 (build_conditional_expr): Use it.
6575 (build_binary_op): Likewise.
6577 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6579 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6582 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6583 bounds even for -O+.
6584 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6585 expr needs to have DECL_NAME set.
6587 2010-02-24 Nick Clifton <nickc@redhat.com>
6589 * config/mep/mep.c: Include gimple.h.
6590 (mep_function_uses_sp): Delete unused function.
6591 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6592 parameters. Use unsigned integers to count args. Return a
6593 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6595 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6598 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6599 greater or equal to nelt instead of 2 * nelt.
6600 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6603 2010-02-23 Jason Merrill <jason@redhat.com>
6606 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6607 in cfun->local_decls even if they have register types.
6610 * stor-layout.c (place_field): Don't warn about unnecessary
6611 DECL_PACKED if the type is packed.
6613 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6616 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6617 GOTOFF relocs, even when the base reg isn't pic pointer.
6619 2010-02-23 Michael Matz <matz@suse.de>
6622 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6623 (expand_gimple_basic_block): Generate and use debug temps if there
6624 are debug uses left after the last real use of TERed ssa names.
6625 Unlink debug immediate uses when they are expanded.
6627 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6630 * config/i386/i386.c (override_options): Reorganise to provide
6631 better error messages.
6633 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6636 * graphite-scop-detection.c (create_single_exit_edge): Move
6637 the call to find_single_exit_edge to....
6638 (create_sese_edges): ...here. Don't handle multiple edges
6639 exiting the function.
6640 (build_graphite_scops): Don't handle multiple edges
6641 exiting the function.
6643 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6646 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6647 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6649 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6652 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6654 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6657 * c-typeck.c (convert_arguments): Print declaration location.
6658 * c-common.c (validate_nargs): Rename as
6659 builtin_function_validate_nargs.
6660 (check_builtin_function_arguments): Update.
6662 2010-02-22 Richard Guenther <rguenther@suse.de>
6665 * tree-inline.c (declare_return_variable): Use the type of
6666 the call stmt lhs if available.
6668 2010-02-22 Duncan Sands <baldrick@free.fr>
6670 * passes.c (register_pass): Always consider all pass lists when
6671 ref_pass_instance_number is zero.
6673 2010-02-22 Richard Guenther <rguenther@suse.de>
6675 PR tree-optimization/42749
6676 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6677 parameter. Do arithmetic in the original type.
6678 (update_accumulator_with_ops): Likewise.
6679 (adjust_accumulator_values): Adjust.
6681 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6683 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6684 (QI to BLKmode splitter): New splitter.
6686 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6688 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6689 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6691 2010-02-22 Richard Guenther <rguenther@suse.de>
6693 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6695 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6697 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6698 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6699 ($(T)crti.o, $(T)crtn.o): Remove rules.
6701 2010-02-21 Tobias Burnus <burnus@net-b.de>
6704 * doc/invoke.texi (-fassociative-math): Document that this
6705 option is automatically enabled for Fortran.
6707 2010-02-20 David S. Miller <davem@davemloft.net>
6709 * configure.ac: Test if linker and assembler properly support
6710 GOTDATA_OP relocations.
6711 * configure: Rebuild.
6712 * config.in: Likewise.
6713 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6714 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6715 (movsi_high_pic): Likewise.
6716 (movdi_lo_sum_pic): Likewise.
6717 (movdi_high_pic): Likewise.
6718 (movsi_pic_gotdata_op): New pattern.
6719 (movdi_pic_gotdata_op): Likewise.
6720 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6721 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6723 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6726 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6727 attribute to ssemul.
6728 (xop_mulv2div2di3_high): Ditto.
6730 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6733 * c.opt (Wconversion-null): New option.
6734 * doc/invoke.texi (Wconversion-null): Document.
6736 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6738 * common.opt (Wlarger-than-): Add Undocumented.
6740 2010-02-19 Mike Stump <mikestump@comcast.net>
6742 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6744 2010-02-19 Jason Merrill <jason@redhat.com>
6747 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6748 * configure: Likewise.
6750 2010-02-20 Alan Modra <amodra@gmail.com>
6753 * cgraph.h (cgraph_make_decl_local): Declare.
6754 * cgraph.c (cgraph_make_decl_local): New function.
6755 (cgraph_make_node_local): Use it.
6756 * cgraphunit.c (cgraph_function_versioning): Likewise.
6757 * ipa.c (function_and_variable_visibility): Likewise.
6759 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6762 * except.c (sjlj_emit_function_enter): Don't call
6763 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6765 * rtl.h (add_reg_br_prob_note): Remove prototype.
6767 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6770 * c-common.c (conversion_warning): Remove widening conversions
6771 before checking the conversion of integers to reals.
6773 2010-02-19 Mike Stump <mikestump@comcast.net>
6776 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6779 * cgraphunit.c (process_function_and_variable_attributes): Check
6780 DECL_PRESERVE_P instead of looking up attribute "used".
6781 * ipa-pure-const.c (check_decl): Likewise.
6782 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6783 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6784 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6785 instead of attribute "used".
6786 * config/sol2-c.c (solaris_pragma_init): Likewise.
6787 (solaris_pragma_fini): Likewise.
6789 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6791 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6792 Use XCNEW instead of xcalloc.
6793 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6794 XNEW instead of xmalloc.
6795 (get_fields): Use XNEWVEC instead of xmalloc.
6798 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6799 populate vars array.
6800 (create_new_general_access): For debug stmts just reset value.
6801 (get_stmt_accesses): For accesses within debug stmts just record them
6802 using add_access_to_acc_sites instead of preventing the peeling or
6803 counting them as accesses.
6806 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6808 2010-02-19 Richard Guenther <rguenther@suse.de>
6810 PR tree-optimization/42916
6811 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6814 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6816 * configure.ac: Replace all uses of changequote in macro arguments
6817 with proper quoting.
6819 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6822 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6824 2010-02-19 Richard Guenther <rguenther@suse.de>
6826 PR tree-optimization/42944
6827 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6828 test for aliasing with errno.
6830 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6833 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6834 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6835 * dojump.c: Include output.h.
6836 (inv): New inline function.
6837 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6838 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6839 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6840 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6841 argument, pass it down to other calls.
6842 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6843 add REG_BR_PROB note to the conditional jump.
6844 * cfgexpand.c (add_reg_br_prob_note): Removed.
6845 (expand_gimple_cond): Don't call it, add the probability
6846 as last argument to jumpif_1/jumpifnot_1.
6847 * Makefile.in (dojump.o): Depend on output.h.
6848 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6850 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6851 * stmt.c (do_jump_if_equal): Likewise.
6852 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6853 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6854 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6856 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6857 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6858 jumpifnot_1 callers.
6859 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6861 (store_expr): Adjust jumpifnot caller.
6862 (store_constructor): Adjust jumpif caller.
6865 * gimplify.c (gimple_boolify): For __builtin_expect call
6866 gimple_boolify also on its first argument.
6868 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6870 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6872 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6873 * configure: Regenerated.
6875 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6877 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6878 lang_hooks.types_compatible_p instead of comptypes.
6880 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6882 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6883 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6884 if __prefer_thumb__ is defined.
6886 2010-02-18 Martin Jambor <mjambor@suse.cz>
6888 PR tree-optimization/43066
6889 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6890 array with zero-sized element type.
6892 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6894 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6895 rtx, allocate struct var_loc_node here and return it to the
6896 caller, and only if it is actually needed.
6897 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6898 move it earlier and return immediately if it returns NULL.
6900 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6902 * config/sparc/gas.h: New file. Restore
6903 TARGET_ASM_NAMED_SECTION to its ELF default.
6904 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6906 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6907 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6908 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6909 after sparc/sysv4.h.
6911 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6913 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6915 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6917 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6918 patterns from predicated pattern.
6920 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6923 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6924 for insn mnemonic suffix.
6926 2010-02-17 Richard Guenther <rguenther@suse.de>
6928 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6931 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6934 * caller-save.c (save_call_clobbered_regs): If BB ends with
6935 a DEBUG_INSN, move any notes in between last real insn and the last
6936 DEBUG_INSN after the last DEBUG_INSN.
6938 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6940 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6941 Fix return type. Fix argument type. Explain meaning of return value.
6943 2010-02-16 Richard Guenther <rguenther@suse.de>
6945 PR tree-optimization/41043
6946 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6947 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6949 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6951 2010-02-16 Ira Rosen <irar@il.ibm.com>
6953 PR tree-optimization/43074
6954 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6955 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6956 vectorizable cycles in hybrid SLP check.
6957 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6959 2010-02-16 Richard Guenther <rguenther@suse.de>
6961 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6962 (true_dependence): If memrefs_conflict_p computes must-alias
6963 trust it. Move TBAA check after offset-based disambiguation.
6964 (canon_true_dependence): Likewise.
6966 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6968 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6969 * doc/invoke.texi: Document it.
6970 * var-tracking.c: Include toplev.h and params.h.
6971 (vt_find_locations): Return bool indicating success. Compute
6972 hash sizes unconditionally. Check new parameter, report.
6973 (variable_tracking_main_1): Check vt_find_locations results and
6974 retry. Renamed from...
6975 (variable_tracking_main): ... this. New wrapper to preserve
6976 flag_var_tracking_assignments.
6977 * Makefile.in (var-tracking.o): Adjust dependencies.
6979 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6980 Jakub Jelinek <jakub@redhat.com>
6983 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6984 if weak_import attribute is present.
6985 * config/darwin.c (machopic_select_section): Likewise.
6987 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6989 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6990 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6991 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6992 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6994 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6997 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7000 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7001 Rewrite text to refer to the names.
7003 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7005 * config/i386/i386-builtin-types.def
7006 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7007 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7008 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7009 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7010 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7011 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7012 IX86_BUILTIN_VPERMIL2PS256.
7013 (MULTI_ARG_4_DF2_DI_I): Defined.
7014 (MULTI_ARG_4_DF2_DI_I1): Defined.
7015 (MULTI_ARG_4_SF2_SI_I): Defined.
7016 (MULTI_ARG_4_SF2_SI_I1): Defined.
7017 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7018 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7019 __builtin_ia32_vpermil2ps256.
7020 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7021 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7022 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7023 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7024 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7025 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7026 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7027 CODE_FOR_xop_vpermil2v8sf3.
7028 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7029 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7030 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7031 (_mm256_permute2_pd): New.
7032 (_mm_permute2_ps): New.
7033 (_mm256_permute2_ps): New.
7035 2010-02-15 Nick Clifton <nickc@redhat.com>
7037 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7038 boolean parameters. Use emit_jump_insn when emitting a pop
7039 instruction containing a return insn.
7040 (push): Use 'true' rather than '1' as second parameter to F.
7041 (h8300_expand_prologue): Likewise.
7042 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7043 (h8300_expand_epilogue): Likewise.
7045 2010-02-15 Richard Guenther <rguenther@suse.de>
7048 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7051 2010-02-15 Nick Clifton <nickc@redhat.com>
7053 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7056 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7058 * intl.c (fake_ngettext): New function.
7059 * intl.h (fake_ngettext): Declare.
7060 (ngettext): Define macro.
7061 * collect2.c (notice_translated): New function.
7062 (main): Use notice_translated and ngettext.
7063 * collect2.h (notice_translated): Declare.
7065 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7067 * reorg.c (delete_computation): Comment fixes.
7068 * caller-save.c (setup_save_areas): Idem.
7069 * sel-sched-dump.c (dump_lv_set): Idem.
7072 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7074 * config/s390/s390.c (s390_sched_init): New function.
7075 (TARGET_SCHED_INIT): Target hook defined.
7077 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7078 Jack Howarth <howarth@bromo.med.uc.edu>
7079 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7082 Partial revert of unintended change in fix for PR41605.
7083 * config/darwin.h: Fix typo.
7084 * config/darwin9.h: Same.
7086 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7088 * c-pch.c (pch_init): Clear v.
7090 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7093 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7094 graphite_can_represent_init for MULT_EXPR.
7096 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7100 * graphite-sese-to-poly.c (remove_phi): New.
7101 (translate_scalar_reduction_to_array): Call remove_phi.
7103 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7106 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7107 * graphite-clast-to-gimple.h (gloog): Update declaration.
7108 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7109 * graphite-poly.h (struct poly_bb): Add missing comments.
7110 (struct scop): Add poly_scop_p field.
7112 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7113 * graphite.c (graphite_transform_loops): Build the polyhedral
7114 representation for each scop before code generation.
7115 * sese.c (rename_variables_in_operand): Removed.
7116 (rename_variables_in_expr): Return the renamed expression.
7117 (rename_sese_parameters): New.
7118 * sese.h (rename_sese_parameters): Declared.
7120 2010-02-11 Richard Guenther <rguenther@suse.de>
7122 PR tree-optimization/42998
7123 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7124 POINTER_PLUS_EXPR properly.
7126 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7127 Changpeng Fang <changpeng.fang@amd.com>
7130 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7131 the cost of an IV candidate when the IV is used in a test against zero.
7133 * gcc.dg/tree-ssa/ivopts-3.c: New.
7135 2010-02-11 Richard Guenther <rguenther@suse.de>
7138 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7139 pointer-vs-decl case by swapping refs. Handle some cases
7140 of pointer-vs-decl disambiguations more conservatively.
7141 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7142 to false after expanding.
7144 2010-02-11 Richard Guenther <rguenther@suse.de>
7147 * gcc.c (process_command): Handle LTO file@offset case more
7150 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7152 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7153 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7155 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7157 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7158 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7159 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7160 Optimize eq/ne comparisons when both arguments are known to be
7162 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7163 Don't mask operands unnecessarily if they are known to be already
7166 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7168 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7171 2010-02-10 Richard Guenther <rguenther@suse.de>
7173 PR tree-optimization/43017
7174 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7175 for wrapping signed arithmetic.
7177 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7180 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7181 if no debug info should be emitted for it.
7183 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7185 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7186 note when flag_exceptions is set.
7188 2010-02-10 Duncan Sands <baldrick@free.fr>
7190 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7192 2010-02-10 Richard Guenther <rguenther@suse.de>
7195 * tree.c (get_unwidened): Handle constants.
7196 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7198 2010-02-10 Martin Jambor <mjambor@suse.cz>
7201 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7202 check for variable argument counts independently.
7204 2010-02-10 Christian Bruel <christian.bruel@st.com>
7207 * config/sh/sh.c (find_barrier): Increase length for non delayed
7208 conditional branches.
7210 2010-02-10 Christian Bruel <christian.bruel@st.com>
7212 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7214 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7216 * builtins.c (set_builtin_user_assembler_name): Also handle
7217 ffs if int is smaller than word.
7219 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7222 * ira-conflicts.c (get_dup): Remove.
7223 (process_reg_shuffles): Add new parameter. Use it as an
7224 additional guard for copy generation.
7225 (add_insn_allocno_copies): Rewrite.
7227 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7229 * common.opt (fsched2-use-traces): Preserved for backward
7231 * doc/invoke.texi: Remove the documentation about option
7232 -fsched2-use-traces.
7233 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7234 flag_sched2_use_traces.
7235 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7236 the backward compatibility flag section.
7238 2010-02-09 Richard Guenther <rguenther@suse.de>
7240 PR tree-optimization/43008
7241 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7242 make HEAP variables initialized from global memory if they
7243 are not known builtin functions.
7244 (find_func_aliases): Adjust.
7246 2010-02-09 Richard Guenther <rguenther@suse.de>
7248 PR tree-optimization/43000
7249 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7250 arithmetic manually.
7252 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7254 PR tree-optimization/42931
7255 * tree-loop-linear.c (try_interchange_loops): Don't call
7256 double_int_mul if estimated_loop_iterations failed.
7258 2010-02-08 Martin Jambor <mjambor@suse.cz>
7261 * tree-sra.c (build_accesses_from_assign): Do not mark in
7262 should_scalarize_away_bitmap if stmt has volatile ops.
7263 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7266 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7268 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7270 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7272 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7275 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7278 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7280 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7283 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7284 to unknown_dependence.
7285 (graphite_legal_transform_dr): Handle the unknown_dependence.
7286 (graphite_carried_dependence_level_k): Same.
7288 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7290 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7292 2010-02-07 Richard Guenther <rguenther@suse.de>
7295 * expr.c (get_inner_reference): Always initialize *pbitsize.
7297 2010-02-07 Richard Guenther <rguenther@suse.de>
7300 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7301 new ARRAY_REFs on variable size element or minimal index arrays.
7303 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7304 gimple_fold_indirect_ref.
7306 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7309 * arm.c (arm_override_options): Just return if the user has specified
7310 an invalid fpu name.
7312 2010-02-03 Jason Merrill <jason@redhat.com>
7315 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7316 i386_pe_maybe_record_exported_symbol.
7318 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7321 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7322 (pa_delegitimize_address): New function.
7324 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7326 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7327 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7329 2010-02-05 Richard Guenther <rguenther@suse.de>
7332 * lto-streamer-in.c (get_resolution): Deal with references
7333 to undefined functions.
7335 2010-02-05 Richard Guenther <rguenther@suse.de>
7337 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7338 (fold_const_aggregate_ref): Likewise.
7339 (ccp_fold_stmt): Substitute loads.
7340 (maybe_fold_reference): Verify types before substituting.
7342 (fold_gimple_assign): Unshare properly.
7343 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7345 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7347 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7348 for rs6000_gen_cell_microcode.
7350 2010-02-04 Richard Guenther <rguenther@suse.de>
7352 PR rtl-optimization/42952
7353 * dse.c (const_or_frame_p): Remove MEM handling.
7355 2010-02-04 Nick Clifton <nickc@redhat.com>
7357 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7358 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7359 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7360 (mn10300_asm_output_mi_thunk): New function.
7361 (mn10300_can_output_mu_thunk): New function.
7362 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7363 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7364 (FUNCTION_ARG): Delete incorrect comment.
7366 2010-02-03 Jason Merrill <jason@redhat.com>
7369 * fold-const.c (operand_equal_p): Handle erroneous types.
7371 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7373 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7375 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7377 PR rtl-optimization/42941
7378 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7381 2010-02-03 Jason Merrill <jason@redhat.com>
7384 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7386 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7389 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7390 (cselib_reset_table): Renamed from...
7391 (cselib_reset_table_with_next_value): ... this.
7392 (cselib_get_next_uid): Renamed from...
7393 (cselib_get_next_unknown_value): ... this.
7394 * cselib.c (next_uid): Renamed from...
7395 (next_unknown_value): ... this.
7396 (cselib_clear_table): Adjust.
7397 (cselib_reset_table): Adjust. Renamed from...
7398 (cselib_reset_table_with_next_value): ... this.
7399 (cselib_get_next_uid): Adjust. Renamed from...
7400 (cselib_get_next_unknown_value): ... this.
7401 (get_value_hash): Use hash.
7402 (cselib_hash_rtx): Likewise.
7403 (new_cselib_val): Adjust. Set and dump uid.
7404 (cselib_lookup_mem): Pass next_uid as hash.
7405 (cselib_subst_to_values): Likewise.
7406 (cselib_log_lookup): Dump uid.
7407 (cselib_lookup): Pass next_uid as hash. Adjust.
7408 (cselib_process_insn): Adjust.
7409 (cselib_init): Initialize next_uid.
7410 (cselib_finish): Adjust.
7411 (dump_cselib_table): Likewise.
7412 * dse.c (canon_address): Dump value uid.
7413 * print-rtl.c (print_rtx): Print value uid.
7414 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7416 (dv_uid): New function, sort of renamed from...
7417 (dv_htab_hash): ... this, reimplemented in terms of it and...
7418 (dv_uid2hash): ... this. New.
7419 (variable_htab_eq): Drop excess assertions.
7420 (tie_break_pointers): Removed.
7421 (canon_value_cmp): Compare uids.
7422 (variable_post_merge_New_vals): Print uids.
7423 (vt_add_function_parameters): Adjust.
7424 (vt_initialize): Reset table. Adjust.
7426 2010-02-03 Richard Guenther <rguenther@suse.de>
7428 PR tree-optimization/42944
7429 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7430 (call_may_clobber_ref_p_1): Likewise. Properly handle
7431 malloc and calloc clobbering errno.
7433 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7435 * doc/invoke.texi: Fix name of sched1 dump.
7437 * opts.c (decode_options): Set flag_tree_switch_conversion
7438 only conditionally on optimize >= 2.
7440 * gcse.c: Assorted comment fixes in pass description.
7442 2010-02-03 Anthony Green <green@moxielogic.com>
7444 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7445 nop padding in order to maintain alignment of storage location of
7446 target function address.
7447 (moxie_trampoline_init): Store target function address at newly
7449 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7451 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7453 2010-02-03 Richard Guenther <rguenther@suse.de>
7456 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7458 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7460 * config.gcc: Reenable check for obsolete targets.
7461 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7462 mips-sgi-irix6.[0-4]*.
7464 2010-02-02 Nick Clifton <nickc@redhat.com>
7466 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7467 constant size of 4 as being the same as 0.
7468 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7469 can take values in the range 0..4.
7471 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7474 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7475 as _darwin10_Unwind_FindEnclosingFunction().
7476 * libgcc-libsystem.ver: New.
7478 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7481 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7482 implicitly set registers.
7484 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7486 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7487 (arm_override_options): Allow automatic selection of the thread
7488 pointer register if thumb2.
7489 (legitimize_pic_address): Improve code sequences for Thumb2.
7490 (arm_call_tls_get_addr): Likewise.
7491 (legitimize_tls_address): Likewise.
7492 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7493 (pic_load_addr_32bit): ... this. New named pattern.
7494 * thumb2.md (pic_load_addr_thumb2): Delete.
7495 (pic_load_dot_plus_four): Delete.
7496 (tls_load_dot_plus_four): New named pattern.
7498 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7501 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7502 Document fix for TLS bug.
7504 2010-01-31 Richard Guenther <rguenther@suse.de>
7506 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7507 conservatively correct.
7509 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7513 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7515 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7517 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7519 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7521 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7523 * config.gcc: Adjust order of makefile fragments for mingw targets.
7525 2010-01-31 Richard Guenther <rguenther@suse.de>
7528 * gimplify.c (gimplify_init_constructor): For volatile LHS
7529 initialize a temporary.
7531 2010-01-31 Matthias Klose <doko@ubuntu.com>
7533 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7535 * configure: Regenerate.
7537 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7539 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7540 the same alias set and their sizes different constantness.
7541 (aliasing_component_refs_p): Revert 2009-10-24 change.
7543 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7545 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7548 2010-01-29 Richard Guenther <rguenther@suse.de>
7550 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7551 Assert we successfully updated the call.
7553 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7555 PR rtl-optimization/42889
7556 * df.h (df_set_bb_dirty_nonlr): New prototype.
7557 * df-core.c (df_set_bb_dirty_nonlr): New function.
7558 * df-scan.c (df_insn_rescan): Call it instead of
7559 df_set_bb_dirty for DEBUG_INSNs.
7561 2010-01-29 Richard Guenther <rguenther@suse.de>
7564 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7565 quadratic behavior in most cases.
7567 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7570 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7571 in the call to gen_x86_movsicc_0_m1.
7573 2010-01-28 Richard Guenther <rguenther@suse.de>
7575 PR tree-optimization/42871
7576 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7578 2010-01-28 Richard Guenther <rguenther@suse.de>
7580 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7581 into call arguments.
7583 2010-01-28 Richard Guenther <rguenther@suse.de>
7586 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7587 the forwarder if the destination is an EH landing pad.
7589 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7591 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7592 block list passed to gimple_duplicate_sese_tail.
7593 (parallelize_loops): Avoid parallelization when the function
7595 Avoid parallelization when the preheader is IRREDUCIBLE.
7596 Try to optimize when estimated_loop_iterations_int is unresolved.
7597 Add the loop's location to the dump file.
7598 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7599 (gimple_duplicate_sese_tail): Remove the check for the latch.
7600 Redirect nexits to the exit block.
7601 Remove handling of the incoming edges to the latch.
7602 Redirect the backedge from the copied latch to the exit bb.
7604 2010-01-28 Michael Matz <matz@suse.de>
7607 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7608 Wrap force_reg into a sequence, emit it before user.
7610 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7612 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7614 (arm_legacy_rev): Likewise.
7615 (thumb_legacy_rev): Likewise.
7617 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7619 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7620 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7621 on MEM's address failed, try avoid_constant_pool_reference and
7622 recurse if it returned something different.
7623 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7624 address, try avoid_constant_pool_reference and recurse if it
7625 returned something different.
7626 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7627 address and avoid_constant_pool_reference returned something
7628 different, don't set have_address.
7630 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7633 * var-tracking.c (val_store): Add modified argument, obey it.
7635 (count_uses): Move down logging of main.
7636 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7637 don't need resolution.
7638 (emit_notes_in_bb): Likewise.
7640 2010-01-27 Richard Guenther <rguenther@suse.de>
7643 * tree-inline.c (remap_decl): Delay remapping of SSA name
7644 default definitions until we need them.
7646 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7648 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7649 (rs6000_delegitimize_address): New function.
7651 * config/s390/s390.c (s390_delegitimize_address): Call
7652 delegitimize_mem_from_attrs.
7655 * tree-inline.c (cannot_copy_type_1): Removed.
7656 (copy_forbidden): Don't forbid copying of functions containing
7657 records/unions with variable length fields.
7659 2010-01-27 Christian Bruel <christian.bruel@st.com>
7663 * config/sh/sh.c (find_barrier): Increase length for non delayed
7664 conditional branches.
7666 2010-01-27 Matthias Klose <doko@ubuntu.com>
7668 * configure.ac (gnu-unique-object): Fix ldd version check.
7669 * configure: Regenerate.
7671 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7673 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7675 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7676 Test for HAVE_GNU_AS value.
7678 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7680 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7681 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7682 INT64_TYPE): Define.
7683 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7684 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7685 INT_LEAST64_TYPE): Define.
7686 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7687 UINT_LEAST64_TYPE): Define.
7688 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7689 INT_FAST64_TYPE): Define.
7690 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7691 UINT_FAST64_TYPE): Define.
7692 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7693 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7694 (SIG_ATOMIC_TYPE): Define.
7696 2010-01-26 Richard Guenther <rguenther@suse.de>
7698 * df-scan.c (df_scan_set_bb_info): Remove assert.
7699 (df_insn_rescan_debug_internal): Merge asserts.
7700 (df_install_ref): Likewise.
7701 (df_mark_reg): Use bitmap_set_range.
7702 (df_hard_reg_used_p): Remove assert.
7703 (df_hard_reg_used_count): Likewise.
7705 2010-01-26 Richard Guenther <rguenther@suse.de>
7707 PR rtl-optimization/42685
7708 * web.c (web_main): Ignore DEBUG_INSNs.
7710 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7712 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7714 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7715 Fix types of fndecl and arglist parameters.
7717 2010-01-26 Richard Guenther <rguenther@suse.de>
7720 * tree-eh.c (unsplit_eh): Skip debug insns.
7722 2010-01-26 Richard Guenther <rguenther@suse.de>
7724 PR tree-optimization/42250
7725 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7727 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7730 * omp-low.c (expand_omp_sections): Only use single_pred if
7731 l2_bb is single_pred_p.
7733 2010-01-25 Christian Bruel <christian.bruel@st.com>
7736 * config/sh/sh.c (find_barrier): Increase length for non delayed
7737 conditional branches.
7738 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7740 2010-01-24 David S. Miller <davem@davemloft.net>
7742 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7743 define if not using GAS.
7744 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7745 Likewise. Delete SECTION_MERGE code, which is only applicable
7748 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7751 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7752 mangling of va_list in system headers.
7754 2010-01-23 Toon Moene <toon@moene.org>
7756 * tree-predcom.c (combine_chains): Return NULL, not false.
7758 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7760 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7761 initialization of variable res to agree with return type.
7763 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7765 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7766 * tree-sra.c: Add include of expr.h.
7768 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7770 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7771 insert the debug stmt on the single non-EH edge from the stmt.
7773 2010-01-22 Richard Henderson <rth@redhat.com>
7776 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7777 the RHS until after generate_subtree_copies has insertted its
7778 code before the current statement.
7780 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7782 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7784 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7786 2010-01-21 Martin Jambor <mjambor@suse.cz>
7788 PR tree-optimization/42585
7789 * tree-sra.c (struct access): New field grp_total_scalarization.
7790 (dump_access): Dump the new field.
7791 (should_scalarize_away_bitmap): New variable.
7792 (cannot_scalarize_away_bitmap): Likewise.
7793 (sra_initialize): Allocate new bitmaps.
7794 (sra_deinitialize): Free new bitmaps.
7795 (create_access_1): New function.
7796 (create_access): Parts moved to create_access_1.
7797 (type_consists_of_records_p): New function.
7798 (completely_scalarize_record): Likewise.
7799 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7800 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7801 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7803 (analyze_all_variable_accesses): Completely scalarize small eligible
7806 2010-01-21 Martin Jambor <mjambor@suse.cz>
7808 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7810 2010-01-21 Andrew Haley <aph@redhat.com>
7812 * gcc.c (process_command): Move lang_specific_driver before
7813 setting cc_libexec_prefix.
7815 2010-01-21 Richard Guenther <rguenther@suse.de>
7818 * fold-const.c (negate_expr_p): Pretend only negative
7819 real constants are easily negatable.
7821 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7822 Jason Merrill <jason@redhat.com>
7824 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7825 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7826 * calls.c (initialize argument_information): Handle it.
7827 * c-common.c (handle_transparent_union_attribute): Use new name.
7828 * c-decl.c (finish_struct): Ditto.
7829 * c-typeck.c (type_lists_compatible_p): Ditto.
7830 (convert_for_assignment): Use new name and also handle record.
7831 * function.c (aggregate_value_p): Handle it.
7832 (pass_by_reference): Ditto.
7833 (assign_parm_data_types): Ditto.
7834 * print-tree.c (print_node): Ditto.
7835 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7836 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7837 * tree.c (first_field): New fn.
7839 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7842 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7843 even when linking statically, for now.
7845 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7848 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7849 without a cselib val.
7850 (count_uses): Accept MO_VAL_SET with no val on stores.
7851 (add_stores): Likewise.
7853 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7855 * var-tracking.c (check_value_val): Add a compile time assertion.
7856 (dv_is_decl_p): Simplify.
7857 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7858 gcc_assert if ENABLE_CHECKING.
7860 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7863 * var-tracking.c: Include tree-flow.h.
7864 (mem_dies_at_call): New.
7865 (dataflow_set_preserve_mem_locs): Use it.
7866 (dataflow_set_remove_mem_locs): Likewise.
7867 (dump_var): Renamed from dump_variable. Adjust all callers.
7868 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7869 * Makefile.in (var-tracking.o): Adjust deps.
7871 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7873 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7875 2010-01-20 Richard Guenther <rguenther@suse.de>
7877 PR tree-optimization/42717
7878 * tree-ssa-dce.c (get_live_post_dom): Remove.
7879 (forward_edge_to_pdom): Take an arbitrary edge to copy
7880 degenerate PHI args from.
7881 (remove_dead_stmt): Use the first post-dominator even if it
7882 does not contain live statements as redirection destination.
7884 2010-01-20 Richard Guenther <rguenther@suse.de>
7886 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7888 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7890 * sel-sched.c (create_speculation_check): Remove set but not used
7892 (try_transformation_cache): Remove set but not used variable ds.
7893 (calculate_privileged_insns): Remove set but not used variables
7894 cur_insn and min_spec_insn.
7895 (find_best_expr): Remove set but not used variable avail_n.
7896 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7898 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7900 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7901 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7904 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7907 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7908 cpu types. Add support for *-sse3 cpu types.
7909 (x86_64-*-*): Ditto.
7911 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7914 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7915 argument, call initializer_constant_valid_p_1 instead of
7916 initializer_constant_valid_p, pass CACHE to it, return NULL
7917 immediately if first call returns NULL.
7918 (initializer_constant_valid_p_1): New function.
7919 (initializer_constant_valid_p): Use it.
7921 2010-01-20 Thomas Quinot <quinot@adacore.com>
7923 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7925 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7927 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7928 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7929 (loc_list_from_tree): Don't handle unsigned division. Handle
7930 signed modulo using DW_OP_{over,over,div,mul,minus}.
7931 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7932 modulo instead of signed.
7934 2010-01-20 DJ Delorie <dj@redhat.com>
7936 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7938 (h8300_emit_stack_adjustment): Propogate it.
7940 (h8300_expand_prologue): Likewise.
7941 (h8300_expand_epilogue): Likewise.
7943 2010-01-19 Michael Matz <matz@suse.de>
7945 PR tree-optimization/41783
7946 * tree-data-ref.c (toplevel): Include flags.h.
7947 (dump_data_dependence_relation): Also dump the inputs if the
7948 result will be unknown.
7949 (split_constant_offset_1): Look through some conversions.
7950 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7951 the offset from last element is too large.
7952 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7953 (reassociate_to_the_same_stmt): Handle vector registers.
7954 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7956 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7957 wide_prolog_niters argument, emit widening instructions.
7958 (vect_do_peeling_for_alignment): Adjust caller, use widened
7959 variant of the iteration cound.
7960 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7962 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7965 * config/arm/neon-testgen.m (emit_automatics): New parameter
7966 features. Adjust for Fixed_return_reg feature.
7967 (test_intrinsic): Call emit_automatics with new feature.
7968 * config/arm/neon.ml: Update copyright years.
7969 (features): New Fixed_return_reg feature.
7970 (ops): Update feature for Vget_low.
7972 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7974 PR tree-optimization/42719
7975 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7979 * fwprop.c (all_uses_available_at): Return false if def_set dest
7980 is a REG that is used in def_insn.
7982 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7984 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7986 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7989 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7991 * target.h (struct gcc_target) <secondary_reload>: Change type
7992 of last argument to secondary_reload_info *.
7994 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7997 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7998 memory references with unaligned offsets. Remove CQImode handling.
7999 (unaligned_memory_operand): Return 1 for memory references with
8000 unaligned offsets. Remove CQImode handling.
8002 2010-01-18 Richard Guenther <rguenther@suse.de>
8005 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8008 2010-01-18 Richard Guenther <rguenther@suse.de>
8010 PR tree-optimization/42781
8011 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8012 restrict processing only if the original variable was artificial.
8014 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8016 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8017 find number of popped argument bytes.
8019 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8020 Fix the text that describes the return value for invalid insns.
8022 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8024 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8025 Clarify what 'cost of the -dependence' is. Fix quoting.
8027 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8028 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8030 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8032 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8033 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8035 2010-01-17 Richard Guenther <rguenther@suse.de>
8038 * function.c (split_complex_args): Take a VEC to modify.
8039 (assign_parms_augmented_arg_list): Build a VEC instead of
8040 a chain of PARM_DECLs.
8041 (assign_parms_unsplit_complex): Take a VEC of arguments.
8042 Do not fixup unmodified parms.
8043 (assign_parms): Deal with the VEC.
8044 (gimplify_parameters): Likewise.
8046 2010-01-17 Richard Guenther <rguenther@suse.de>
8048 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8049 node existence check.
8050 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8051 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8052 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8053 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8054 (gimple_execute_on_growing_pred): Likewise.
8056 2010-01-17 Richard Guenther <rguenther@suse.de>
8058 PR tree-optimization/42773
8059 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8060 (compute_antic_aux): Likewise.
8061 (compute_partial_antic_aux): Likewise.
8063 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8066 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8069 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8071 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8074 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8075 Fix markup for strict argument.
8077 (TARGET_SCHED_REORDER2): Fix argument types.
8079 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8080 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8082 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8083 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8085 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8088 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8089 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8090 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8091 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8092 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8094 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8096 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8098 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8099 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8101 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8103 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8106 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8108 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8109 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8111 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8113 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8115 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8116 referring to it. Fix language.
8118 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8120 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8122 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8124 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8126 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8127 '@var{stream}. Remove stray 'and'.
8129 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8131 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8133 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8135 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8136 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8138 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8139 Fix description of return value.
8140 Rename argument "sz" to "len."
8142 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8143 Clarify meaning of 'true' return value.
8145 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8147 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8148 rep_mode versus mode_rep.
8150 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8152 (TARGET_BUILTIN_DECL): Fix name.
8154 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8156 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8158 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8160 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8162 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8164 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8167 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8168 Rename argument tm_fn to md_fn.
8170 (TARGET_OPTION_PRINT): Fix argument list.
8172 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8175 * config/i386/i386.c (ix86_fixup_binary_operands):
8176 Revert FMA4 fixup of operands.
8178 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8181 * Makefile.in (write_entries_to_file, install-plugin):
8182 Use \012 instead of \n with tr.
8184 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8186 * configure.ac (HAVE_AS_REF): New C macro.
8187 * configure: Regenerate.
8188 * config.in: Likewise.
8189 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8191 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8194 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8196 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8198 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8200 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8202 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8204 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8206 (TARGET_BINDS_LOCAL_P): Fix argument type.
8208 (TARGET_ASM_FILE_END): Use prototype.
8210 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8212 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8214 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8216 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8218 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8219 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8221 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8222 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8224 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8225 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8226 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8227 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8229 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8231 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8233 (TARGET_INIT_BUILTINS): Use prototype.
8235 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8236 Put 'const char *' in braces. Fix parameter types.
8237 (TARGET_INVALID_CONVERSION): Fix parameter types.
8238 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8239 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8241 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8244 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8246 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8248 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8250 * doc/tm.texi (TARGET_HELP): Fix return type.
8252 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8253 in braces. Fix argument types.
8255 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8257 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8259 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8261 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8262 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8264 (TARGET_MANGLE_TYPE): Fix argument types.
8266 (TARGET_IRA_COVER_CLASSES): Use prototype.
8268 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8270 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8272 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8274 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8276 (TARGET_CALLEE_COPIES): Fix argument types.
8278 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8280 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8282 (TARGET_FUNCTION_VALUE): Fix argument types.
8284 (TARGET_RETURN_IN_MSB): Fix argument type.
8286 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8288 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8290 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8292 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8293 agree with return type.
8295 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8297 2010-01-15 Jing Yu <jingyu@google.com>
8299 PR rtl-optimization/42691
8300 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8301 a pseudo to a constant and are merged, and adjust comments.
8303 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8305 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8307 2010-01-15 Richard Guenther <rguenther@suse.de>
8310 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8311 labels of computed or non-local gotos to the destination.
8312 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8313 landing pad label is the first label.
8315 2010-01-15 Richard Guenther <rguenther@suse.de>
8317 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8319 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8322 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8323 to allow generation of the xssqrtdp instruction on power7.
8324 (sqrtdf2_fpr): Ditto.
8326 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8329 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8330 functions with noreturn attribute.
8333 * varasm.c (declare_weak): Add weak attribute to decl if it
8334 doesn't have one already.
8335 (assemble_external): Only add decls to weak_decls if they also
8336 have weak attribute.
8338 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8340 * var-tracking.c (var_reg_delete): Don't delete the association
8341 between REGs and values or one-part variables if the register
8344 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8347 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8348 because its first operand is a non-localized variable.
8350 2010-01-14 Martin Jambor <mjambor@suse.cz>
8352 PR tree-optimization/42706
8353 * tree-sra.c (encountered_recursive_call): New variable.
8354 (encountered_unchangable_recursive_call): Likewise.
8355 (sra_initialize): Initialize both new variables.
8356 (callsite_has_enough_arguments_p): New function.
8357 (scan_function): Call decl and flags check only for IPA-SRA, check
8358 whether there is a recursive call and whether it has enough arguments.
8359 (all_callers_have_enough_arguments_p): New function.
8360 (convert_callers): Look for recursive calls only when
8361 encountered_recursive_call is set.
8362 (ipa_early_sra): Bail out either if
8363 !all_callers_have_enough_arguments_p or
8364 encountered_unchangable_recursive_call.
8366 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8368 * sel-sched.c: Add 2010 to copyright years.
8369 * sel-sched-ir.c: Likewise.
8370 * sel-sched-ir.h: Likewise.
8372 2010-01-14 Martin Jambor <mjambor@suse.cz>
8374 PR tree-optimization/42714
8375 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8376 constructors specially.
8378 2010-01-14 Andi Kleen <ak@linux.intel.com>
8380 * config/i386/drivers-i386.c (detect_caches_intel):
8381 Add l2sizekb parameter and fill in.
8382 (host_detect_local_cpu): Add l2sizekb, fill in.
8383 Add Atom small cache heuristic.
8385 2010-01-14 Andi Kleen <ak@linux.intel.com>
8387 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8388 Add level3 parameter and fill in.
8389 (detect_caches_intel): Handle level3 cache.
8391 2010-01-14 Andi Kleen <ak@linux.intel.com>
8393 * config/i386/drivers-i386.c (host_detect_local_cpu):
8394 Fix core duo detection.
8396 2010-01-14 Andi Kleen <ak@linux.intel.com>
8398 * config/i386/drivers-i386.c (host_detect_local_cpu):
8401 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8403 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8404 (rs6000_variable_issue_1): this. Use...
8405 (rs6000_variable_issue): here. Reimplement. Print debug info.
8407 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8409 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8410 sel_restore_notes. Update all callers. Call reemit_notes
8413 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8415 PR rtl-optimization/42246
8416 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8419 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8421 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8422 all successors is the same as number of successors in current region.
8424 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8426 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8427 to rename is not separable. Otherwise check that its LHS is not NULL.
8429 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8431 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8433 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8435 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8436 available registers when failed to discover LHS register class.
8437 Fix indentation. Update comment.
8439 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8440 Alexander Monakov <amonakov@ispras.ru>
8442 PR rtl-optimization/42389
8443 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8445 (advance_state_on_fence): Likewise.
8446 (sel_target_adjust_priority): Print debug output only when
8447 sched_verbose >= 4, not 2.
8448 (get_expr_cost): Do not issue all unique insns on the next cycle.
8449 (fill_insns): Initialize can_issue_more from the value saved
8451 * sel-sched-ir.c (flist_add): New parameter issue_more.
8452 Init FENCE_ISSUE_MORE with it.
8453 (merge_fences): Likewise.
8454 (init_fences): Update call to flist_add.
8455 (add_to_fences, add_clean_fence_to_fences)
8456 (add_dirty_fence_to_fences): Likewise.
8457 (move_fence_to_fences): Update call to merge_fences.
8458 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8460 * sel-sched-ir.h (struct _fence): New field issue_more.
8461 (FENCE_ISSUE_MORE): New accessor macro.
8463 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8465 PR rtl-optimization/42388
8466 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8467 that have no predecessors nor successors. Do not call move_bb_info
8468 for empty blocks outside of current region.
8470 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8472 PR rtl-optimization/42294
8473 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8474 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8475 originators' originators.
8477 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8479 PR rtl-optimization/39453
8480 PR rtl-optimization/42246
8481 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8483 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8485 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8486 Alexander Monakov <amonakov@ispras.ru>
8489 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8490 (maybe_tidy_empty_bb): ... here. Make static. Add new
8491 argument. Update all callers.
8492 (tidy_control_flow): ... and here. Recompute topological order
8493 of basic blocks in region if necessary.
8494 (sel_redirect_edge_and_branch): Change return type. Return true
8495 if topological order might have been invalidated.
8496 (purge_empty_blocks): Export and move from...
8497 * sel-sched.c (purge_empty_blocks): ... here.
8498 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8499 (maybe_tidy_empty_bb): Delete prototype.
8500 (purge_empty_blocks): Declare.
8502 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8504 PR rtl-optimization/42249
8505 * sel-sched.c (try_replace_dest_reg): When chosen register
8506 and original register is the same, do not bail out early, but
8507 still check all original insns for validity of replacing destination
8508 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8511 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8514 Port from no-undefined-overflow branch:
8515 2009-03-09 Richard Guenther <rguenther@suse.de>
8517 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8519 2010-01-14 Richard Guenther <rguenther@suse.de>
8522 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8524 2010-01-14 Ira Rosen <irar@il.ibm.com>
8526 PR tree-optimization/42709
8527 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8528 as scalar type in creation of constant vector operand.
8530 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8533 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8534 (check-parallel-%): Match `testsuite' directory component only
8537 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8539 PR translation/39521
8540 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8543 2010-01-13 Richard Guenther <rguenther@suse.de>
8545 PR tree-optimization/42730
8546 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8549 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8552 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8553 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8556 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8558 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8559 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8560 ___umulsi3_highpart.
8562 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8563 rather than schedule_insns if the pass is enabled.
8565 2010-01-13 Martin Jambor <mjambor@suse.cz>
8567 PR tree-optimization/42704
8568 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8571 2010-01-13 Martin Jambor <mjambor@suse.cz>
8573 PR tree-optimization/42703
8574 * tree-sra.c (analyze_access_subtree): Check that we can build a
8575 reference to the original data within the aggregate.
8577 2010-01-13 Richard Guenther <rguenther@suse.de>
8579 PR tree-optimization/42705
8580 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8582 2010-01-13 Richard Guenther <rguenther@suse.de>
8585 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8587 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8590 * var-tracking.c (values_to_unmark): New variable.
8591 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8592 values_to_unmark vector. Moved body to...
8593 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8594 instead queue it into values_to_unmark vector.
8595 (vt_find_locations): Free values_to_unmark vector.
8597 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8599 * config/s390/s390.c (override_options): Set
8600 default of max-pending-list-length to 256
8602 2010-01-13 Richard Guenther <rguenther@suse.de>
8605 * tree-pass.h (PROP_gimple_lcx): New.
8606 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8607 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8608 before the final cleanup_eh.
8609 (dump_properties): Dump PROP_gimple_lcx.
8610 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8611 (tree_lower_complex_O0): Remove.
8612 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8613 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8614 tree_lower_complex, schedule TODO_update_ssa.
8615 * lto-streamer-out.c (output_function): Stream the functions
8617 * lto-streamer-in.c (input_function): Likewise.
8618 (lto_read_body): Do not override them here.
8620 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8623 * c-typeck.c (build_c_cast): Fold value cast to union type before
8624 wrapping it in a CONSTRUCTOR.
8626 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8628 PR rtl-optimization/42699
8629 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8632 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8634 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8635 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8636 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8637 SUBTARGET_WARN_UNUSED_SPEC): ... here
8638 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8640 2010-01-12 Julian Brown <julian@codesourcery.com>
8642 * config/arm/neon-schedgen.ml (Utils): Don't try to
8643 open missing module.
8644 (find_with_result): New.
8646 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8649 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8650 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8652 PR tree-optimization/42645
8653 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8654 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8655 decl_map, set processing_debug_stmt to -1 and return name without
8658 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8660 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8661 binutils version, and reword target configuration description.
8663 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8665 * config/avr/avr.h (LINKER_NAME): Remove.
8667 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8670 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8671 that support VSX, warn for -mno-altivec if vsx is not disabled,
8674 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8675 Shujing Zhao <pearly.zhao@oracle.com>
8677 PR translation/42469
8678 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8679 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8680 character between option name and help text.
8681 * c.opt (imultilib): Likewise.
8683 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8685 * lto-streamer-out.c (output_unreferenced_globals): Output static
8688 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8690 PR rtl-optimization/42621
8691 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8692 optimizing for size.
8693 (duplicate_computed_gotos): Remove now-redundant check.
8695 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8698 * configure.ac: Save and restore LDFLAGS and LIBS
8699 * configure: Regenerate.
8701 2010-01-10 Richard Guenther <rguenther@suse.de>
8704 * builtins.c (fold_builtin_strlen): Add type argument and
8705 convert the resulting length to it.
8706 (fold_builtin_1): Adjust.
8708 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8710 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8711 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8713 (num_insns_constant_wide): Adjust for that change.
8715 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8718 * web.c (union_defs): Add used argument, to combine uses of
8720 (entry_register): Adjust type and tests of used argument.
8721 (web_main): Widen used for new use. Pass it to union_defs.
8722 * df.h (union_defs): Adjust prototype.
8724 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8727 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8728 uses in new incoming argument. Free body.
8729 (reset_debug_uses_in_loop): New.
8730 (analyze_insn_to_expand_var): Call the latter if the former found
8731 anything. Fix whitespace. Reject invalid dest overlaps before
8732 going through all insns in the loop.
8734 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8737 * haifa-sched.c (dying_use_p): Debug insns don't count.
8739 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8742 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8743 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8744 (verify_gimple_call): Reject LHS in noreturn calls.
8746 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8750 * tree-vect-loop-manip.c (adjust_info): New type.
8751 (adjust_vec): New pointer to vector.
8752 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8753 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8754 (slpeel_update_phis_for_duplicate_loop): Use them.
8755 (slpeel_update_phi_nodes_for_guard1): Likewise.
8756 (slpeel_update_phi_nodes_for_guard2): Likewise.
8757 (slpeel_tree_peel_loop_to_edge): Likewise.
8758 (vect_update_ivs_after_vectorizer): Likewise.
8760 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8762 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8763 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8765 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8767 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8768 bogus uninitialized warning.
8770 2010-01-09 Richard Guenther <rguenther@suse.de>
8773 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8774 the evolution is compatible with the initial condition.
8776 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8778 * gcc.c (process_command): Update copyright notice dates.
8779 * gcov.c (print_version): Likewise.
8780 * gcov-dump.c (print_version): Likewise.
8781 * mips-tfile.c (main): Likewise.
8782 * mips-tdump.c (main): Likewise.
8784 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8787 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8789 (rotlhi3_8): Delete.
8791 (rotlsi3_8): Delete.
8792 (rotlsi3_16): Delete.
8793 (rotlsi3_24): Delete.
8795 (*rotw<mode>3): New.
8796 (*rotb<mode>3): New.
8797 * config/avr/avr.c (avr_rotate_bytes): New function.
8798 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8800 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8803 * configure.ac: Modify -rdynamic check.
8804 * configure: Regenerate.
8806 2010-01-08 DJ Delorie <dj@redhat.com>
8808 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8809 register popping order.
8811 2010-01-08 Richard Guenther <rguenther@suse.de>
8814 * c.opt (fsigned-char): Also let LTO handle this option.
8815 (funsigned-char): Likewise.
8817 2010-01-07 Richard Guenther <rguenther@suse.de>
8819 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8820 (gimple_op): Likewise.
8821 (gimple_op_ptr): Likewise.
8822 (gimple_assign_set_lhs): Remove gcc_assert.
8823 (gimple_assign_set_rhs1): Likewise.
8824 (gimple_assign_set_rhs2): Likewise.
8825 (gimple_call_set_lhs): Likewise.
8826 (gimple_call_set_fn): Likewise.
8827 (gimple_call_set_fndecl): Likewise.
8828 (gimple_call_fndecl): Likewise.
8829 (gimple_call_return_type): Likewise.
8830 (gimple_call_set_chain): Likewise.
8831 (gimple_call_num_args): Likewise.
8832 (gimple_call_set_arg): Likewise.
8833 (gimple_cond_set_code): Likewise.
8834 (gimple_cond_set_lhs): Likewise.
8835 (gimple_cond_set_rhs): Likewise.
8836 (gimple_cond_set_true_label): Likewise.
8837 (gimple_cond_set_false_label): Likewise.
8838 (gimple_label_set_label): Likewise.
8839 (gimple_goto_set_dest): Likewise.
8840 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8841 (gimple_debug_bind_get_value): Likewise.
8842 (gimple_debug_bind_get_value_ptr): Likewise.
8843 (gimple_debug_bind_set_var): Likewise.
8844 (gimple_debug_bind_set_value): Likewise.
8845 (gimple_debug_bind_reset_value): Likewise.
8846 (gimple_debug_bind_has_value_p): Likewise.
8847 (gimple_return_retval_ptr): Remove gcc_assert.
8848 (gimple_return_retval): Likewise.
8849 (gimple_return_set_retval): Likewise.
8850 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8851 (safe_referenced_var_iterator): Remove.
8852 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8853 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8854 (fill_referenced_var_vec): Remove.
8855 (first_readonly_imm_use): Remove redundant gcc_assert.
8856 (phi_arg_index_from_use): Combine gcc_asserts.
8857 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8858 (first_imm_use_stmt): Remove redundant gcc_assert.
8859 * tree-cfg.c (verify_gimple_call): Verify function and chain
8860 operands. Verify arguments.
8861 (verify_types_in_gimple_stmt): Verify condition code and labels.
8863 2010-01-07 Richard Guenther <rguenther@suse.de>
8865 PR tree-optimization/42641
8866 * sese.c (rename_map_elt_info): Use the SSA name version, do
8869 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8871 PR tree-optimization/42625
8872 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8873 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8875 2010-01-07 Duncan Sands <baldrick@free.fr>
8877 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8879 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8882 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8883 note itself is not function_invariant_p.
8885 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8887 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8888 Do not add the DF_NOTE problem.
8889 * store-motion.c (execute_rtl_store_motion): Likewise.
8891 2010-01-07 Martin Jambor <mjambor@suse.cz>
8893 PR tree-optimization/42157
8894 * tree-sra.c (compare_access_positions): Stabilize sort if both
8895 accesses have integer types, return zero immediately if they are the
8898 2010-01-06 Richard Henderson <rth@redhat.com>
8901 * haifa-sched.c (add_to_note_list): Merge into ...
8902 (concat_note_lists): ... here, and ...
8903 (unlink_other_notes, rm_other_notes): Merge into...
8904 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8905 NOTE_INSN_EPILOGUE_BEG.
8907 2010-01-06 Richard Guenther <rguenther@suse.de>
8909 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8910 not inline regular functions into always-inline functions.
8912 2010-01-06 Nick Clifton <nickc@redhat.com>
8914 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8915 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8917 (OVERRIDE_OPTIONS): Delete.
8918 (OPTIMIZATION_OPTIONS): Define.
8919 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8920 * config/rx/rx.c (rx_handle_option): Issue an error message if
8921 -mcpu=rx200 and -fpu are used together.
8922 (rx_set_optimization_options): New function. Issue an error
8923 message if an optimization attribute attempts to reset the FPU/
8924 math optimization pairing.
8925 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8926 * config/rx/rx.opt: Set the default to 32-bit doubles.
8927 * config/rx/t-rx: Add multilibs for -nofpu option.
8928 * doc/invoke.texi: Update documentation of RX options.
8930 2010-01-06 Richard Guenther <rguenther@suse.de>
8932 * tree-ssa-pre.c (name_to_id): New global.
8933 (alloc_expression_id): Simplify SSA name handling.
8934 (lookup_expression_id): Likewise.
8935 (init_pre): Zero name_to_id.
8936 (fini_pre): Free it.
8938 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8940 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8942 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8945 * config/i386/sse.md (smaxv2di3): New.
8946 (umaxv2di3): Likewise.
8947 (sminv2di3): Likewise.
8948 (uminv2di3): Likewise.
8950 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8953 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8954 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8955 (legitimize_tls_address): Likewise.
8956 (sparc_tls_referenced_p): Likewise.
8957 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8958 and adjust calls to legitimize_pic_address.
8959 (legitimate_constant_p) Use sparc_tls_referenced_p.
8960 (legitimate_pic_operand_p): Likewise.
8961 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8962 (sparc_tls_symbol_ref_1): Delete.
8963 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8964 (legitimize_tls_address): Make static, handle CONST patterns.
8965 (legitimize_pic_address): Make static, remove unused parameter and
8966 adjust recursive calls.
8967 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8968 and adjust call to legitimize_pic_address.
8969 (sparc_output_mi_thunk): Likewise.
8971 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8972 H.J. Lu <hongjiu.lu@intel.com>
8975 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8976 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8977 operands to make them signed.
8980 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8983 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8984 GTU to GT for V4SI and V2DI.
8986 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8987 (umin<mode>3): Removed.
8989 (uminv4si3): Likewise.
8991 2010-01-05 Martin Jambor <mjambor@suse.cz>
8993 PR tree-optimization/42462
8994 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8995 current_function_decl to helper functions and macros.
8997 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9000 * flags.h: Don't include real.h.
9001 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9002 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9003 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9004 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9005 * dominance.c: Update copyright.
9006 * gimple.c (walk_gimple_op): Remove inline.
9007 * tree-ssa-reassoc.c: Include real.h.
9008 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9009 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9011 2010-01-05 Nick Clifton <nickc@redhat.com>
9013 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9014 register to push into the stack frame when the accumulator has to
9015 be saved during interrupts.
9017 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9019 * doc/invoke.texi: Remove the documentation about option
9021 * common.opt (Wunreachable-code): Preserved for backward
9023 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9024 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9025 the backward compatibility flag section.
9027 2010-01-05 Richard Guenther <rguenther@suse.de>
9029 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9031 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9034 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9036 PR tree-optimization/42508
9037 * tree-sra.c (convert_callers): Check for recursive call
9038 by comparing cgraph nodes instead of decls.
9039 (modify_function): Call ipa_modify_formal_parameters also
9040 on all same_body aliases.
9042 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9043 cgraph nodes when checking for same_body aliases.
9045 2010-01-05 Richard Guenther <rguenther@suse.de>
9047 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9048 allocation and lookup.
9049 (get_or_alloc_expr_for_constant): Likewise.
9050 (phi_translate): Sink allocation.
9052 2010-01-04 Richard Guenther <rguenther@suse.de>
9054 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9055 a new entry only if needed.
9056 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9057 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9059 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9061 (phi_translate): Handle CONSTANTs early.
9063 2010-01-04 Martin Jambor <mjambor@suse.cz>
9065 PR tree-optimization/42398
9066 * tree-sra.c (struct access): Removed flag grp_different_types.
9067 (dump_access): Do not dump the removed flag.
9068 (sort_and_splice_var_accesses): Do not set the removed flag.
9069 (sra_modify_expr): Check for type compatibility directly.
9071 2010-01-04 Martin Jambor <mjambor@suse.cz>
9073 PR tree-optimization/42366
9074 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9075 edges with variable number of parameters.
9076 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9077 flag instead of asserting it.
9078 (ipa_read_node_info): Read uses_analysis_done flag.
9080 2010-01-04 Richard Guenther <rguenther@suse.de>
9082 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9083 iterative_hash_* as intended.
9084 (vn_reference_compute_hash): Likewise. Simplify hashing
9086 (vn_reference_lookup_2): Likewise.
9087 (vn_nary_op_compute_hash): Likewise.
9088 (vn_phi_compute_hash): Likewise.
9089 (expressions_equal_p): Remove strange code.
9090 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9091 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9092 (bitmap_insert_into_set_1): Take value-id as parameter.
9093 (add_to_value): Pass it.
9094 (bitmap_insert_into_set): Likewise.
9095 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9097 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9100 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9101 (do_self_spec): For switches with SWITCH_IGNORE set set also
9102 SWITCH_IGNORE_PERMANENTLY.
9103 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9106 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9108 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9109 tree of an unreferenced global var.
9111 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9114 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9115 GTU to GT for V4SI and V2DI.
9117 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9118 (umin<mode>3): Removed.
9120 (uminv4si3): Likewise.
9122 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9125 * collect2.c (main): Turn on trace in collect2 if -v is passed
9128 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9130 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9131 description of expression operand.
9133 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9135 * configure.ac: Add install-html to target_list for Make-hooks.
9136 * configure: Regenerate.
9137 * fortran/Make-lang.in (F95_HTMLFILES): New.
9138 (fortran.html): Use it.
9139 (fortran.install-html): New.
9140 * Makefile.in (install-html): Add lang.install-html.
9141 * java/Make-lang.in (JAVA_HTMLFILES): New.
9142 (java.html): Use it.
9143 (java.install-html): New.
9144 * objc/Make-lang.in (objc.install-html): New.
9145 * objcp/Make-lang.in (obj-c++.install-html): New.
9146 * cp/Make-lang.in (c++.install-html): New.
9147 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9148 * lto/Make-lang.in (lto.install-html): New.
9150 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9153 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9155 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9157 PR rtl-optimization/41862
9158 * store-motion.c (store_killed_in_insn, compute_store_table,
9159 remove_reachable_equiv_notes, replace_store_insn,
9160 build_store_vectors): Ignore all DEBUG_INSNs.
9162 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9165 * common.opt: Add dumpdir.
9167 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9169 (option_map): Add --dumpdir.
9171 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9173 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9175 * opts.c (decode_options): Try dump_dir_name first if
9176 dump_base_name isn't an absolute path.
9177 (common_handle_option): Handle OPT_dumpdir.
9179 * toplev.c (dump_dir_name): New.
9180 (print_switch_values): Also ignore -dumpdir.
9182 * toplev.h (dump_dir_name): New.
9184 2010-01-03 Richard Guenther <rguenther@suse.de>
9186 PR tree-optimization/42589
9187 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9188 double-word expansion of bswap32.
9190 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9192 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9193 with BLOCK_FOR_INSN.
9194 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9195 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9196 noce_process_if_block): Likewise.
9197 * gcse.c (compute_local_properties, insert_expr_in_table,
9198 insert_set_in_table, canon_list_insert, find_avail_set,
9199 pre_insert_copy_insn): Likewise.
9201 * basic-block.h (BLOCK_NUM): Move from here...
9202 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9204 2010-01-03 Richard Guenther <rguenther@suse.de>
9206 PR tree-optimization/42438
9207 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9208 contains_may_not_return_call flag.
9209 (BB_MAY_NOTRETURN): New.
9210 (valid_in_sets): Trapping nary operations are not valid
9211 in blocks that may not return.
9212 (insert_into_preds_of_block): Remove check for trapping expressions.
9213 (compute_avail): Compute also BB_MAY_NOTRETURN.
9215 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9217 * doc/invoke.texi: Add 2010 to copyright years.
9219 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9221 * config/sparc/sparc.c: Fix formatting nits.
9223 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9224 Alexander Monakov <amonakov@ispras.ru>
9226 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9228 2010-01-02 Richard Guenther <rguenther@suse.de>
9231 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9232 (simplify_switch_using_ranges): Mark to be removed edges
9235 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9237 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9239 * collect2.c (scan_libraries): Add missing argument in call to
9242 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9245 * config/alpha/predicates.md (aligned_memory_operand): Return false
9247 (unaligned_memory_operand): Return true for CQImode.
9248 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9249 doesn not cross aligned SImode word boundary.
9251 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9253 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9255 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9256 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9258 2010-01-02 Richard Guenther <rguenther@suse.de>
9261 * toplev.c (compile_file): Emit LTO marker properly. Change
9263 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9265 2010-01-01 Richard Guenther <rguenther@suse.de>
9268 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9270 2010-01-01 Richard Guenther <rguenther@suse.de>
9273 * c-decl.c (grokdeclarator): For zero-size arrays force
9274 structural equality checks as layout_type does.
9276 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9278 * builtins.c: Update copyright to 2010.
9280 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9283 * lto-streamer-out.c (produce_asm): Revert the last change.
9284 (copy_function): Likewise.
9286 * lto-streamer.c (lto_get_section_name): Skip any leading
9289 2010-01-01 Richard Guenther <rguenther@suse.de>
9292 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9296 Copyright (C) 2010 Free Software Foundation, Inc.
9298 Copying and distribution of this file, with or without modification,
9299 are permitted in any medium without royalty provided the copyright
9300 notice and this notice are preserved.