1 2010-04-30 Jan Hubicka <jh@suse.cz>
3 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
6 2010-04-30 Richard Guenther <rguenther@suse.de>
8 * tree-ssa-structalias.c (get_constraint_for_1): Generate
9 constraints for CONSTRUCTOR.
11 2010-04-30 Richard Guenther <rguenther@suse.de>
14 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
15 first after all lowering passes.
17 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
19 * toplev.c: Include varray.h for statistics dumping.
20 * tree.h: Do not declare varray_head_tag.
21 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
22 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
23 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
24 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
25 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
26 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
27 c-common.c, c-common.h, reg-stack.c, basic-block.h,
28 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
30 * Makefile.in: Update for abovementioned changes.
32 2010-04-30 Jakub Jelinek <jakub@redhat.com>
35 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
37 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
39 * config/picochip/picochip.c (picochip_legitimize_address): Define.
40 Use this function to do machine-specific conversion.
41 (picochip_legitimize_reload_address): Likewise.
42 (picochip_legitimate_address_p): Check valid base register only if
44 (picochip_check_conditional_copy): Check for modw only if opnd is
46 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
47 to call the function in c.
48 * config/picochip/picochip-protos.h
49 (picochip_legitimize_reload_address): Define.
50 * config/picochip/picochip.md (supported_compare1): Define.
52 2010-04-30 Jan Hubicka <jh@suse.cz>
54 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
55 (cgraph_global_info): Remove inlined.
56 (LTO_cgraph_tag_names): Remove.
57 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
58 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
59 simplify cgraph tags and document.
60 (lto_output_node): Use only LTO_cgraph_unavail_node and
61 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
62 for_functions_valid, global info, process and output
64 (input_overwrite_node): Initialize estimated stack size and
66 Do not read flags we no longer store.
67 (input_node): Likewise do not read info no longer stored.
68 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
71 2010-04-30 Richard Guenther <rguenther@suse.de>
73 PR tree-optimization/43879
74 * tree-ssa-structalias.c (get_constraint_for_1): Properly
75 handle non-zero initializers.
77 2010-04-30 Richard Guenther <rguenther@suse.de>
79 * builtins.c (fold_builtin_1): Delete free (0).
81 2010-04-29 Jan Hubicka <jh@suse.cz>
83 * gengtype.c (open_base_files): Add lto-streamer.h
84 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
85 (pass_ipa_cp): GGC collect.
86 * toplev. (compile_file): Do not output symbols.
87 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
88 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
89 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
90 * lto-section-in.c: Include ggc.h
91 (lto_new_in_decl_state): Alloc in GGC.
92 (lto_delete_in_decl_state): Likewise.
93 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
95 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
98 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
99 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
100 (HONOR_REG_ALLOC_ORDER): Describe new macro.
101 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
102 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
103 account only if HONOR_REG_ALLOC_ORDER is not defined.
104 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
105 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
107 2010-04-29 Jon Grant <04@jguk.org>
109 * collect2.c (vflag): Change type from int to bool.
111 (helpflag): New global bool.
112 (main): Set vflag and debug with boolean, not integer truth
113 values. Accept new "--help" option and output usage text if
115 * collect2.h (vflag): Update prototype.
118 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
121 * plugin.h (flag_plugin_added): Moved out of
122 invoke_plugin_callbacks.
124 2010-04-29 Richard Guenther <rguenther@suse.de>
127 * plugin.h (invoke_plugin_callbacks): Annotate arguments
128 with ATTRIBUTE_UNUSED.
130 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
133 * config/i386/i386.c (get_some_local_dynamic_name): Replace
134 INSN_P with NONDEBUG_INSN_P.
135 (distance_non_agu_define): Likewise.
136 (distance_agu_use): Likewise.
138 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
140 From Dominique d'Humieres <dominiq@lps.ens.fr>
142 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
145 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
147 * plugin.h (invoke_plugin_callbacks): New inline function.
148 * plugin.c (flag_plugin_added): New global flag.
149 (add_new_plugin): Initialize above flag.
150 (invoke_plugin_callbacks): Rename to ...
151 (invoke_plugin_callbacks_full): ... this.
153 2010-04-28 Jan Hubicka <jh@suse.cz>
155 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
156 (lto_varpool_replace_node): New.
157 (lto_symtab_resolve_symbols): Resolve varpool nodes.
158 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
159 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
160 * cgraph.h (varpool_node_ptr): New type.
161 (varpool_node_ptr): New vector.
162 (varpool_node_set_def): New structure.
163 (varpool_node_set): New type.
164 (varpool_node_set): New vector.
165 (varpool_node_set_element_def): New structure.
166 (varpool_node_set_element, const_varpool_node_set_element): New types.
167 (varpool_node_set_iterator): New type.
168 (varpool_node): Add prev pointers, add used_from_other_partition,
170 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
171 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
172 varpool_get_node, varpool_remove_node): Declare.
173 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
174 varpool_node_set_size): New inlines.
175 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
176 * tree-pass.h (varpool_node_set_def): Forward declare.
177 (ipa_opt_pass_d): Summary writting takes vnode sets too.
178 (ipa_write_optimization_summaries): Update prototype.
179 * ipa-cp.c (ipcp_write_summary): Update.
180 * ipa-reference.c (ipa_reference_write_summary): Update.
181 * lto-cgraph.c (lto_output_varpool_node): New static function.
182 (output_varpool): New function.
183 (input_varpool_node): New static function.
184 (input_varpool_1): New function.
185 (input_cgraph): Input varpool.
186 * ipa-pure-const.c (pure_const_write_summary): Update.
187 * lto-streamer-out.c (lto_output): Update, output varpool too.
188 (write_global_stream): Kill WPA hack.
189 (produce_asm_for_decls): Update.
190 (output_alias_pair_p): Handle variables.
191 (output_unreferenced_globals): Output only needed partition of varpool.
192 * ipa-inline.c (inline_write_summary): Update.
193 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
194 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
195 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
196 varpool_node_set_new, varpool_node_set_add,
197 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
198 debug_varpool_node_set): New functions.
199 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
200 (execute_one_pass): Process new decls too.
201 (ipa_write_summaries_2): Pass around vsets.
202 (ipa_write_summaries_1): Likewise.
203 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
205 (ipa_write_optimization_summaries_1): Pass around vsets.
206 (ipa_write_optimization_summaries): Likewise.
207 * varpool.c (varpool_get_node): New.
208 (varpool_node): Update doubly linked lists.
209 (varpool_remove_node): New.
210 (dump_varpool_node): More dumping.
211 (varpool_enqueue_needed_node): Update doubly linked lists.
212 (decide_is_variable_needed): Kill ltrans hack.
213 (varpool_finalize_decl): Kill lto hack.
214 (varpool_assemble_decl): Skip decls in other partitions.
215 (varpool_assemble_pending_decls): Update doubly linkes lists.
216 (varpool_empty_needed_queue): Likewise.
217 (varpool_extra_name_alias): Likewise.
218 * lto-streamer.c (lto_get_section_name): Add vars section.
219 * lto-streamer.h (lto_section_type): Update.
220 (output_varpool, input_varpool): Declare.
222 2010-04-28 Mike Stump <mikestump@comcast.net>
224 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
226 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
228 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
229 record or union type with RECORD_OR_UNION_TYPE_P predicate.
230 (lto_input_ts_type_tree_pointers): Likewise.
231 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
232 (lto_output_ts_type_tree_pointers): Likewise.
234 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
236 Uniquization of constants at the Tree level
237 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
238 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
240 (tree_output_constant_def): Declare.
241 * gimplify.c (gimplify_init_constructor): When using block copy, first
242 uniquize the constant constructor on the RHS.
243 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
244 DECL_IN_CONSTANT_POOL flag.
245 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
246 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
248 (assemble_variable): Deal with symbols belonging to the tree constant
250 (get_constant_section): Add ALIGN parameter and simplify.
251 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
252 (assemble_constant_contents): Use the expression of the VAR_DECL.
253 (output_constant_def_contents): Use the alignment of the VAR_DECL.
254 (tree_output_constant_def): New global function.
255 (mark_constant): Use the expression of the VAR_DECL.
256 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
258 (output_object_block): Likewise and assemble the expression.
260 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
262 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
263 hash_tree, eq_tree): New tree hash table.
264 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
265 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
266 lto_orig_address_remove): Reimplement.
268 2010-04-28 Xinliang David Li <davidxl@google.com>
271 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
272 (compute_uninit_opnds_pos): New function.
273 (is_non_loop_exit_postdominating): New function.
274 (compute_control_dep_chain): New function.
275 (find_pdom): New function.
276 (convert_control_dep_chain_into_preds): New function.
277 (find_predicates): New function.
278 (find_control_equiv_block): New function.
279 (collect_phi_def_edges): New function.
280 (find_def_preds): New function.
281 (find_dom): New function.
282 (dump_predicates): New function.
283 (get_cmp_code): New function.
284 (is_value_included_in): New function.
285 (find_matching_predicate_in_rest_chains): New function.
286 (use_pred_not_overlap_with_undef_path_pred): New function.
287 (is_use_properly_guarded): New function.
288 (normalize_cond_1): New function.
289 (is_and_or_or): New function.
290 (normalize_cond): New function.
291 (is_gcond_subset_of): New function.
292 (is_subset_of_any): New function.
293 (is_or_set_subset_of): New function.
294 (is_and_set_subset_of): New function.
295 (is_norm_cond_subset_of): New function.
296 (is_pred_expr_subset_of): New function.
297 (is_pred_chain_subset_of): New function.
298 (is_included_in): New function.
299 (is_superset_of): New function.
300 (find_uninit_use): New function.
301 (warn_uninitialized_phi): New function.
302 (compute_possibly_undefined_names): New function.
303 (ssa_undefined_value_p): New function.
304 (execute_late_warn_uninitialized): New function.
305 * tree-ssa.c (ssa_undefined_value_p): Removed.
306 (warn_uninit): Changed to extern.
307 (warn_uninitialized_phi): Removed.
308 (warn_uninitialized_vars): Changed to extern.
309 (execute_late_warn_uninitialized): Removed
310 * tree-flow.h: Add new prototypes.
311 * timevar.def: Add new time variable.
312 * Makefile.in: Add new build file.
314 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
316 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
319 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
322 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
324 2010-04-28 Martin Jambor <mjambor@suse.cz>
326 * cgraph.h (struct cgraph_node): New field indirect_calls.
327 (struct cgraph_indirect_call_info): New type.
328 (struct cgraph_edge): Removed field indirect_call. New fields
329 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
330 (cgraph_create_indirect_edge): Declare.
331 (cgraph_make_edge_direct): Likewise.
332 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
333 * ipa-prop.h (struct ipa_param_call_note): Removed.
334 (struct ipa_node_params): Removed field param_calls.
335 (ipa_create_all_structures_for_iinln): Declare.
336 * cgraph.c: Described indirect edges and uids in initial comment.
337 (cgraph_add_edge_to_call_site_hash): New function.
338 (cgraph_edge): Search also among the indirect edges, use
339 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
340 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
341 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
343 (initialize_inline_failed): Assign a reason to indirect edges.
344 (cgraph_create_edge_1): New function.
345 (cgraph_create_edge): Moved some functionality to
346 cgraph_create_edge_1.
347 (cgraph_create_indirect_edge): New function.
348 (cgraph_edge_remove_callee): Add an assert checking for
350 (cgraph_edge_remove_caller): Special-case indirect edges.
351 (cgraph_remove_edge): Likewise.
352 (cgraph_set_edge_callee): New function.
353 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
354 (cgraph_make_edge_direct): New function.
355 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
356 the declaration of the call statement matches.
357 (cgraph_node_remove_callees): Special-case indirect edges.
358 (cgraph_clone_edge): Likewise.
359 (cgraph_clone_node): Clone also the indirect edges.
360 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
361 indirect_call, dump count of indirect_calls edges.
362 * ipa-prop.c (iinlining_processed_edges): New variable.
363 (ipa_note_param_call): Create indirect edges instead of
364 creating notes. New parameter node.
365 (ipa_analyze_call_uses): New parameter node, pass it on to
367 (ipa_analyze_stmt_uses): Likewise.
368 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
369 (print_edge_addition_message): Work on edges rather than on notes.
370 (update_call_notes_after_inlining): Likewise, renamed to
371 update_indirect_edges_after_inlining.
372 (ipa_create_all_structures_for_iinln): New function.
373 (ipa_free_node_params_substructures): Do not free notes.
374 (ipa_edge_duplication_hook): Propagate bits within
375 iinlining_processed_edges bitmap.
376 (ipa_node_duplication_hook): Do not duplicate notes.
377 (free_all_ipa_structures_after_ipa_cp): Renamed to
378 ipa_free_all_structures_after_ipa_cp.
379 (free_all_ipa_structures_after_iinln): Renamed to
380 ipa_free_all_structures_after_iinln.g
381 (ipa_write_param_call_note): Removed.
382 (ipa_read_param_call_note): Removed.
383 (ipa_write_indirect_edge_info): New function.
384 (ipa_read_indirect_edge_info): Likewise.
385 (ipa_write_node_info): Do not stream notes, do stream information
387 (ipa_read_node_info): Likewise.
388 (lto_ipa_fixup_call_notes): Removed.
389 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
390 * ipa-inline.c (pass_ipa_inline): Likewise.
391 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
392 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
393 * tree-inline.c (copy_bb): Removed an unnecessary double check for
395 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
397 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
398 (output_cgraph): Stream also indirect edges.
399 (lto_output_edge): Added capability to stream indirect edges.
400 (input_edge): Likewise.
401 (input_cgraph_1): Likewise.
402 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
405 2010-04-28 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/43879
408 PR tree-optimization/43909
409 * tree-ssa-structalias.c (struct variable_info): Add
410 only_restrict_pointers flag.
411 (new_var_info): Initialize it. Increment stats.total_vars here.
412 (create_function_info_for): Do not increment stats.total_vars
414 (get_function_part_constraint): Fix build with C++.
415 (insert_into_field_list): Remove.
416 (push_fields_onto_fieldstack): Properly merge fields.
417 (create_variable_info_for): Split and simplify.
418 (create_variable_info_for_1): New piece.
419 (intra_create_variable_infos): Properly make restrict constraints
422 2010-04-28 Richard Guenther <rguenther@suse.de>
425 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
428 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
429 Jan Hubicka <hubicka@ucw.cz>
431 * doc/invoke.texi (-Wsuggest-attribute=const,
432 -Wsuggest-attribute=pure): Document.
433 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
434 (function_always_visible_to_compiler_p,
435 suggest_attribute, warn_function_pure, warn_function_const):
437 (check_call): Improve debug info.
438 (analyze_function): Do not check availability.
439 (add_new_function): Check availability.
440 (propagate): Output warnings.
441 (skip_function_for_local_pure_const): New function.
442 (local_pure_const): Use it; output warnings.
443 * common.opt (Wsuggest-attribute=const,
444 Wsuggest-attribute=pure): New.
446 2010-04-27 Jakub Jelinek <jakub@redhat.com>
448 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
449 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
450 or DW_CFA_def_cfa_offset{,_sf}.
452 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
454 * tree.h: Fix truncated long macros.
456 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
458 * collect2.c (TARGET_64BIT): Redefine to target's default.
460 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
461 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
462 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
463 for underscoring __USER_LABEL_PREFIX__.
464 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
465 (SUB_LINK_ENTRY32): New.
466 (SUB_LINK_ENTRY64): New.
467 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
468 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
469 (SUB_LINK_ENTRY64): New.
470 (SUB_LINK_ENTRY): New.
471 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
472 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
473 x64 target is choosen.
474 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
475 * configure: Regenerated.
476 * configure.ac (leading-mingw64-underscores): Option added.
478 2010-04-27 Jan Hubicka <jh@suse.cz>
480 * doc/invoke.texi (-fipa-profile): Document.
481 * opts.c (decode_options): Enable ipa-profile at -O1.
482 * timevar.def (TV_IPA_PROFILE): Define.
483 * common.opt (fipa-profile): Add.
484 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
486 (cgraph_propagate_frequency): Handle only local ones.
487 * tree-pass.h (pass_ipa_profile): Declare.
488 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
489 (pass_ipa_profile): Use TV_IPA_PROFILE.
490 * ipa.c (ipa_profile): New function.
491 (gate_ipa_profile): Likewise.
492 (pass_ipa_profile): New global variable.
493 * passes.c (pass_ipa_profile): New.
495 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
497 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
499 2010-04-27 Martin Jambor <mjambor@suse.cz>
502 * ipa.c (dissolve_same_comdat_group_list): New function.
503 (function_and_variable_visibility): Call
504 dissolve_same_comdat_group_list when comdat group contains external or
506 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
507 lists are circular and that they contain only DECL_ONE_ONLY nodes.
509 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
511 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
512 (const_hash_1) <VECTOR_CST>: New case.
513 (compare_constant) <VECTOR_CST>: Likewise.
514 <ADDR_EXPR>: Deal with LABEL_REFs.
515 (copy_constant) <VECTOR_CST>: New case.
517 2010-04-27 Jan Hubicka <jh@suse.cz>
519 * cgraph.c (cgraph_propagate_frequency): New function.
520 * cgraph.h (cgraph_propagate_frequency): Declare.
521 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
522 cgraph_propagate_frequency.
524 2010-04-27 Jakub Jelinek <jakub@redhat.com>
526 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
528 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
531 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
532 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
533 here to determine which regs to push and how much stack to reserve.
535 2010-04-27 Jie Zhang <jie@codesourcery.com>
537 * doc/gimple.texi (gimple_statement_with_ops): Remove
538 addresses_taken field.
539 (gimple_statement_with_memory_ops): Likewise.
541 2010-04-27 Jan Hubicka <jh@suse.cz>
543 * tree-inline.c (eni_inlining_weights): Remove.
544 (estimate_num_insns): Special case more builtins.
546 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
549 * c-typeck.c (build_binary_op): Move forward check for comparison
550 pointer with null pointer constant and adjust the diagnostic message.
552 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
555 * configure.ac (gcc_cv_as_section_has_align): Set if installed
556 binutils supports extended .section directive needed by LTO, or
557 warn if older binutils found.
558 (LTO_BINARY_READER): New AC_SUBST'd variable.
559 (LTO_USE_LIBELF): Likewise.
560 * gcc/config.gcc (lto_binary_reader): New target-specific configure
562 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
563 (LTO_USE_LIBELF): Likewise.
564 * configure: Regenerate.
566 * collect2.c (is_elf): Rename from this ...
567 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
568 object files in addition to ELF-formatted ones.
569 (scan_prog_file): Caller updated. Also allow for LTO info marker
570 symbol to be prefixed or not by an extra underscore.
572 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
573 * config/i386/winnt.c: Also #include lto-streamer.h
574 (i386_pe_asm_named_section): Specify 1-byte section alignment for
576 (i386_pe_asm_output_aligned_decl_common): Add comment.
577 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
579 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
582 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
583 Add missing earlyclobber for second alternative.
585 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
587 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
588 bits for artificial defs at the top of the block.
589 * fwprop.c (single_def_use_enter_block): Don't call it.
591 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
594 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
595 instead of "$gcc_cv_objdump -T".
596 Use "-undefined dynamic_lookup" on darwin.
597 * gcc/configure: Regenerate.
599 2010-04-26 Jakub Jelinek <jakub@redhat.com>
602 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
604 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
606 * c-parser.c (struct c_token): Move location field up.
607 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
608 (struct c_declspecs): Convert typespec_word, storage_class, and
609 default_int_p into bitfields.
610 (struct c_declarator): Move loc field up.
612 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
614 * cfgloop.h (struct loop): Move can_be_parallel field up.
615 * ipa-prop.h (struct ip_node_params): Move bitfields up.
616 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
618 (struct iv_cand): Convert pos field into a bitfield.
619 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
621 (struct _stmt_vec_info): Shuffle fields for better packing.
623 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
625 * varasm.c (IN_NAMED_SECTION): Remove guard.
626 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
627 (IN_NAMED_SECTION_P): ...this.
628 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
629 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
631 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
633 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
634 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
635 of shadowing it. Fix comments.
637 2010-04-26 Jan Hubicka <jh@suse.cz>
639 * cgraph.c (cgraph_create_node): Set node frequency to normal.
640 (cgraph_clone_node): Copy function frequency.
641 * cgraph.h (node_frequency): New enum
642 (struct cgraph_node): Add.
643 * final.c (rest_of_clean_state): Update.
644 * lto-cgraph.c (lto_output_node): Output node frequency.
645 (input_overwrite_node): Input node frequency.
646 * tre-ssa-loop-ivopts (computation_cost): Update.
647 * lto-streamer-out.c (output_function): Do not output function
649 * predict.c (maybe_hot_frequency_p): Update and handle functions
651 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
653 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
654 (compute_function_frequency): Set noreturn functions to be executed
656 (choose_function_section): Update.
657 * lto-streamer-in.c (input_function): Do not input function frequency.
658 * function.c (allocate_struct_function): Do not initialize function
660 * function.h (function_frequency): Remove.
661 (struct function): Remove function frequency.
662 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
663 (try_update): Update.
664 * tree-inline.c (initialize_cfun): Do not update function frequency.
665 * passes.c (pass_init_dump_file): Update.
666 * i386.c (ix86_compute_frame_layout): Update.
667 (ix86_pad_returns): Update.
669 2010-04-26 Jie Zhang <jie@codesourcery.com>
671 PR tree-optimization/43833
672 * tree-vrp.c (range_int_cst_p): New.
673 (range_int_cst_singleton_p): New.
674 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
675 when both operands are constants. Use range_int_cst_p in
678 2010-04-26 Jan Hubicka <jh@suse.cz>
680 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
682 2010-04-26 Richard Guenther <rguenther@suse.de>
685 * gimple.c (gimple_decl_printable_name): Deal gracefully
686 with a NULL DECL_NAME.
688 2010-04-26 Richard Guenther <rguenther@suse.de>
691 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
692 if emitting debug information and it is either a function
695 2010-04-26 Ira Rosen <irar@il.ibm.com>
697 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
698 determine if the statement is vectorizable, and a macro to access it.
699 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
700 Skip statements that can't be vectorized. If the analysis fails,
701 mark the statement as unvectorizable if vectorizing basic block.
702 (vect_compute_data_refs_alignment): Likewise.
703 (vect_verify_datarefs_alignment): Skip statements marked as
704 unvectorizable. Add print.
705 (vect_analyze_group_access): Skip statements that can't be
706 vectorized. If the analysis fails, mark the statement as
707 unvectorizable if vectorizing basic block.
708 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
709 * tree-vect-stmts.c (vectorizable_store): Fix the number of
710 generated stmts for SLP.
711 (new_stmt_vec_info): Initialize the new field.
712 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
713 statements marked as unvectorizable.
715 2010-04-25 Joseph Myers <joseph@codesourcery.com>
717 * c-common.c (flag_isoc1x): New.
718 (flag_isoc99): Update comment.
719 * c-common.h (flag_isoc1x): New.
720 (flag_isoc99): Update comment.
721 * c-cppbuiltin.c (builtin_define_float_constants): Also define
722 __<type>_DECIMAL_DIG__.
723 * c-opts.c (set_std_c1x): New.
724 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
725 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
726 * c.opt (-std=c1x, -std=gnu1x): New options.
727 * doc/cpp.texi: Mention -std=c1x.
728 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
729 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
730 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
731 * doc/standards.texi: Mention C1X.
732 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
733 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
734 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
737 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
739 * config/i386/gmon-sol2.c (_mcleanup): Change format string
740 placeholder from 0x%x to %#x.
741 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
742 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
743 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
744 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
745 * config/i386/i386.c (ix86_target_string): Ditto.
746 (output_pic_addr_const): Ditto.
747 (print_operand): Ditto.
749 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
751 * combine.c (find_split_point): Add third argument. Use it
752 to find nested multiply-accumulate instructions. Adjust calls.
753 (try_combine): Adjust call to find_split_point.
755 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
757 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
759 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
761 PR tree-optimization/41442
762 * fold-const.c (merge_truthop_with_opposite_arm): New function.
763 (fold_binary_loc): Call it.
765 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
767 * toplev.c (general_init): Set default for fdiagnostics-show-option.
768 * opts.c (common_handle_option): Allow disabling it.
769 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
771 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
773 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
774 between modes if both types are integral.
776 2010-04-23 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/43572
779 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
781 2010-04-23 Richard Guenther <rguenther@suse.de>
784 * tree-inline.c (tree_can_inline_p): Also check compatibility
787 2010-04-23 Martin Jambor <mjambor@suse.cz>
789 PR tree-optimization/43846
790 * tree-sra.c (struct access): New flag grp_assignment_read.
791 (build_accesses_from_assign): Set grp_assignment_read.
792 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
793 (enum mark_read_status): New type.
794 (analyze_access_subtree): Propagate grp_assignment_read, create
795 accesses also if both direct_read and root->grp_assignment_read.
797 2010-04-23 Martin Jambor <mjambor@suse.cz>
800 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
801 function does not have type attributes.
803 2010-04-23 Richard Guenther <rguenther@suse.de>
806 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
809 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
811 * sese.h (create_if_region_on_edge): Remove.
813 * sese.c (create_if_region_on_edge): Make static.
815 * tree-inline.c: Do not include ggc.h.
817 * expr.c: Do not include ggc.h.
819 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
822 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
825 * config/sh/sh.c (find_barrier): Don't emit a constant pool
826 in the middle of insns for casesi_worker_2.
828 2010-04-22 David Edelsohn <edelsohn@gnu.org>
830 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
832 2010-04-22 Ira Rosen <irar@il.ibm.com>
834 PR tree-optimization/43842
835 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
836 loop unrolling in update of exit phis. Fix comment.
837 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
838 least two reduction statements in the loop before starting SLP
841 2010-04-22 Nick Clifton <nickc@redhat.com>
843 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
845 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
847 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
850 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
852 * tree-parloops.c (loop_parallel_p): New argument
853 parloop_obstack. Pass it down.
854 (parallelize_loops): New variable parloop_obstack. Initialize it,
855 pass it down, free it.
857 * tree-loop-linear.c (linear_transform_loops): Pass down
860 * tree-data-ref.h (lambda_compute_access_matrices): New argument
861 of type struct obstack *.
863 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
864 scratch_obstack. Initialize it, pass down, free it.
866 * lambda.h (lambda_loop_new): Remove.
867 (lambda_matrix_new, lambda_matrix_inverse)
868 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
869 argument of type struct obstack *.
871 * lambda-trans.c (lambda_trans_matrix_new): New argument
872 lambda_obstack. Pass it down, use obstack allocation for ret.
873 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
876 * lambda-mat.c (lambda_matrix_get_column)
877 (lambda_matrix_project_to_null): Remove.
878 (lambda_matrix_new): New argument lambda_obstack. Use obstack
880 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
883 * lambda-code.c (lambda_loop_new): New function.
884 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
885 (lambda_compute_auxillary_space, lambda_compute_target_space)
886 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
887 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
888 (build_access_matrix): New argument lambda_obstack. Use obstack
890 (lambda_compute_step_signs, lambda_compute_access_matrices): New
891 argument lambda_obstack. Pass it down.
893 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
895 * optabs.h (expand_widening_mult): Declare.
897 2010-04-22 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/43845
900 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
901 lookup the CALL_EXPR function and arguments.
903 2010-04-22 Nick Clifton <nickc@redhat.com>
905 * config/stormy16/stormy16.c
906 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
907 * config/stormy16/stormy16.h: Tidy up formatting.
908 (DONT_USE_BUILTIN_SETJMP): Remove definition.
909 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
910 (ineqbranchsi): Delete pattern.
911 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
912 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
913 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
914 stormy16-lib2-ucmpsi2.c.
916 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
918 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
919 df_simulate_find_noclobber_defs as appropriate. Keep track of an
920 extra set merge_set_noclobber, and use it to relax the final test
922 * df.h (df_simulate_find_noclobber_defs): Declare.
923 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
925 (df_simulate_find_noclobber_defs): New function.
927 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
929 * config/i386/i386.md: Use {} around multi-line preparation statements.
931 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
933 * c-tree.h (push_init_level, pop_init_level, set_init_index)
934 (process_init_element): New argument of type struct obstack *.
936 * c-typeck.c (push_init_level, pop_init_level, set_designator)
937 (set_init_index, set_init_label, set_nonincremental_init)
938 (set_nonincremental_init_from_string, find_init_member)
939 (output_init_element, output_pending_init_elements)
940 (process_init_element): New argument braced_init_obstack. Pass it
942 (push_range_stack, add_pending_init): New argument
943 braced_init_obstack. Use obstack allocation.
945 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
946 braced_init_obstack. Pass it down.
947 (c_parser_braced_init): New variables ret, braced_init_obstack.
948 Initialize obstack, pass it down and finally free it.
950 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
953 * tree-pass.h (pass_optimize_widening_mul): Declare.
954 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
955 gate_optimize_widening_mul): New static functions.
956 (pass_optimize_widening_mul): New.
957 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
958 <case MULT_EXPR>: Remove support for widening multiplies.
959 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
960 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
961 simplify_gen_unary rather than directly building extensions.
962 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
964 * expmed.c (expand_widening_mult): New function.
965 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
967 2010-04-21 Jan Hubicka <jh@suse.cz>
969 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
970 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
971 * lto-wpa-fixup.c: Remove.
972 * Makefile.in (lto-wpa-fixup.o): Remove.
973 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
974 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
975 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
977 2010-04-21 Jan Hubicka <jh@suse.cz>
979 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
980 add write_optimization_summary, read_optimization_summary.
981 (ipa_write_summaries_of_cgraph_node_set): Remove.
982 (ipa_write_optimization_summaries): Declare.
983 (ipa_read_optimization_summaries): Declare.
984 * ipa-cp.c (pass_ipa_cp): Update.
985 * ipa-reference.c (pass_ipa_reference): Update.
986 * ipa-pure-const.c (pass_ipa_pure_const): Update.
987 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
989 * ipa-inline.c (pass_ipa_inline): Update.
990 * ipa.c (pass_ipa_whole_program): Update.
991 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
992 * passes.c (ipa_write_summaries_1): Do not test wpa.
993 (ipa_write_optimization_summaries_1): New.
994 (ipa_write_optimization_summaries): New.
995 (ipa_read_summaries): Do not test ltrans.
996 (ipa_read_optimization_summaries_1): New.
997 (ipa_read_optimization_summaries): New.
999 2010-04-21 Jan Hubicka <jh@suse.cz>
1001 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1003 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1005 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1008 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1009 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1011 2010-04-21 Jan Hubicka <jh@suse.cz>
1013 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1015 2010-04-21 Jan Hubicka <jh@suse.cz>
1017 * varpool.c (decide_is_variable_needed): Variable is always needed
1020 2010-04-21 Jan Hubicka <jh@suse.cz>
1022 * opts.c (decode_options): Enable pure-const pass for whopr.
1024 2010-04-21 Jan Hubicka <jh@suse.cz>
1026 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1027 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1029 (cgraph_decide_inlining): Do not expect callee to be removed in all
1032 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1034 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1036 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1038 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1039 amdfam10_decode attributes.
1041 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1044 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1045 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1046 (lower_copyprivate_clauses): Use private var in outer
1047 context instead of original var. Make sure the types
1048 are correct for VLAs.
1050 2010-04-21 Richard Guenther <rguenther@suse.de>
1052 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1053 to non-pointer objects.
1055 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1057 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1058 last chain entry if it starts with the still current label.
1059 (add_location_or_const_value_attribute): Check that
1060 loc_list->first->next is NULL instead of comparing ->first with ->last.
1061 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1062 to add_var_loc_to_decl.
1064 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1065 >= 4 add also address size and segment size fields into CIE header.
1067 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1068 long as address size is the same as sizeof (void *) and
1070 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1071 address size or segment size is unexpected, return DW_EH_PE_omit.
1072 (classify_object_over_fdes): If get_cie_encoding returned
1073 DW_EH_PE_omit, return -1.
1074 (init_object): If classify_object_over_fdes returned -1,
1075 pretend there were no FDEs at all.
1077 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1079 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1080 bswap{si,di}2 using SWI48 mode iterator.
1081 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1082 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1083 set modrm attribute of bswap insn to 0 and remove length attribute.
1084 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1085 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1086 set mode attribute to <MODE> and remove length attribute.
1088 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1090 PR rtl-optimization/43520
1091 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1092 zero available registers.
1094 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1096 * builtins.c (fold_builtin_cproj): Fold more cases.
1098 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1100 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1101 (fold_builtin_1): Fold builtin cproj.
1102 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1103 Use ATTR_CONST_NOTHROW_LIST.
1105 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1107 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1108 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1109 ffsi2_no_cmove for !TARGET_CMOVE.
1110 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1111 (ffssi2): Remove expander.
1112 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1114 (ctz<mode>2): Ditto from ctz{si,di}2.
1115 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1117 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1120 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1122 * dwarf2out.c (AT_linkage_name): Define.
1123 (clone_as_declaration): Handle DW_AT_linkage_name.
1124 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1125 of DW_AT_MIPS_linkage_name.
1126 (move_linkage_attr): Likewise.
1127 (dwarf2out_finish): Likewise.
1129 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1132 * fold-const.c (fold_comparison): New folding rule.
1134 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1136 * double-int.h (double_int_setbit): Declare.
1137 * double-int.c (double_int_setbit): New function.
1138 * rtl.h (immed_double_int_const): Declare.
1139 * emit-rtl.c (immed_double_int_const): New function.
1140 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1141 and immed_double_int_const functions.
1142 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1143 expand_copysign_bit): (Ditto.).
1144 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1145 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1146 * dojump.c (prefer_and_bit_test): (Ditto.).
1147 * expr.c (convert_modes, reduce_to_bit_field_precision,
1148 const_vector_from_tree): (Ditto.).
1149 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1151 2010-04-20 Jan Hubicka <jh@suse.cz>
1153 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1154 (dump_cgraph_node): Dump new flags.
1155 * cgraph.h (struct cgraph_node): Add flags
1156 reachable_from_other_partition and in_other_partition.
1157 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1158 other partition can not be removed.
1159 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1160 the other partition must be output; silence sanity checking on
1161 leaking functions bodies from other paritition.
1162 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1163 (lto_output_node): Output new flags; do not sanity check that inline
1164 clones are output; drop lto_forced_extern_inline_p code; do not mock
1165 visibility flags at partition boundaries.
1166 (add_node_to): New function.
1167 (output_cgraph): Use it to sort functions so masters appear before
1169 (input_overwrite_node): Input new flags.
1170 * passes.c (ipa_write_summaries): Do not call
1171 lto_new_extern_inline_states.
1172 * lto-section-out.c (forced_extern_inline,
1173 lto_new_extern_inline_states lto_delete_extern_inline_states,
1174 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1175 * lto-streamer.h (lto_new_extern_inline_states,
1176 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1177 lto_forced_extern_inline_p): Kill.
1179 2010-04-20 Richard Guenther <rguenther@suse.de>
1181 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1182 from vars that can have pointers.
1183 (process_constraint): Dump useless constraints.
1185 2010-04-20 Richard Guenther <rguenther@suse.de>
1187 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1188 (dump_sa_points_to_info): Remove asserts.
1189 (init_base_vars): nothing_id isn't an escape point nor does it
1192 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1194 * tree.h (TYPE_REF_IS_RVALUE): Define.
1195 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1196 should_move_die_to_comdat, prune_unused_types_walk): Handle
1197 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1198 (modified_type_die, gen_reference_type_die): Emit
1199 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1200 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1202 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1205 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1206 calls for -fpic -m31 if they have been sibcall optimized.
1208 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1210 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1211 ar.lc fixed and call-used.
1213 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1215 2010-04-19 Jan Hubicka <jh@suse.cz>
1217 * opts.c (decode_options): Disable whpr incompatible passes.
1218 * lto/lto.c (lto_1_to_1_map): Skip clones.
1219 (read_cgraph_and_symbols): Do not mark everything as needed.
1220 (do_whole_program_analysis): Do map only after optimizing;
1221 set proper cgraph_state; use passmanager.
1223 2010-04-19 DJ Delorie <dj@redhat.com>
1225 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1226 POINTER_PLUS_EXPR and fix them.
1228 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1230 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1231 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1232 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1233 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1234 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1235 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1236 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1237 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1238 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1239 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1240 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1242 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1244 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1245 (check_cond_move_block): Likewise.
1246 (cond_move_process_if_block): Likewise.
1247 (noce_find_if_block): Improve formatting.
1248 (find_if_header): Pass 0 to memset and tweak conditions.
1249 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1251 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1253 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1257 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1258 with non-local decl doesn't need chain.
1260 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1262 * ira-color.c (allocno_reload_assign): Avoid accumulating
1263 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1265 2010-04-19 Martin Jambor <mjambor@suse.cz>
1267 * gimple.h (create_tmp_reg): Declare.
1268 * gimplify.c (create_tmp_reg): New function.
1269 (gimplify_return_expr): Use create_tmp_reg.
1270 (gimplify_omp_atomic): Likewise.
1271 (gimple_regimplify_operands): Likewise.
1272 * tree-dfa.c (make_rename_temp): Likewise.
1273 * tree-predcom.c (predcom_tmp_var): Likewise.
1274 (reassociate_to_the_same_stmt): Likewise.
1275 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1276 (get_replaced_param_substitute): Likewise.
1277 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1278 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1279 * tree-ssa-pre.c (get_representative_for): Likewise.
1280 (create_expression_by_pieces): Likewise.
1281 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1282 (create_tailcall_accumulator): Likewise.
1284 2010-04-19 Martin Jambor <mjambor@suse.cz>
1286 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1288 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1290 2010-04-19 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/43796
1293 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1294 from SCEV in the lattice.
1295 (vrp_visit_phi_node): Dump change.
1297 2010-04-19 Richard Guenther <rguenther@suse.de>
1299 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1300 * configure: Re-generated.
1302 2010-04-19 Richard Guenther <rguenther@suse.de>
1304 PR tree-optimization/43783
1305 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1306 constant ARRAY_REF operands two and three if possible.
1308 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1311 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1313 2010-04-19 Jie Zhang <jie@codesourcery.com>
1316 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1318 2010-04-19 Ira Rosen <irar@il.ibm.com>
1320 PR tree-optimization/37027
1321 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1322 and macro to access it.
1323 (vectorizable_reduction): Add argument.
1324 (vect_get_slp_defs): Likewise.
1325 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1326 statements for possible use in SLP.
1327 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1328 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1329 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1331 (vectorizable_reduction): Likewise.
1332 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1334 (vectorizable_type_demotion, vectorizable_type_promotion,
1335 vectorizable_store): Likewise.
1336 (vect_analyze_stmt): Update call to vectorizable_reduction.
1337 (vect_transform_stmt): Likewise.
1338 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1339 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1340 from different interleaving chains in same node.
1341 (vect_slp_rearrange_stmts): New function.
1342 (vect_supported_load_permutation_p): Allow load permutations for
1343 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1344 inside SLP nodes if necessary.
1345 (vect_analyze_slp_instance): Handle reductions.
1346 (vect_analyze_slp): Try to build SLP instances originating from groups
1348 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1349 (vect_get_constant_vectors): Create initial vectors for reductions
1350 according to reduction code. Add new argument.
1351 (vect_get_slp_defs): Add new argument, pass it to
1352 vect_get_constant_vectors.
1353 (vect_schedule_slp_instance): Remove SLP tree root statements.
1355 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1357 * tree.h (ENUM_IS_SCOPED): Define.
1358 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1359 for ENUM_IS_SCOPED enums.
1361 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1363 * fold-const.c (fold_comparison): Use ssizetype.
1364 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1365 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1366 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1367 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1369 * tree.h (initialize_sizetypes): Remove parameter.
1370 (build_common_tree_nodes): Remove second parameter.
1371 * stor-layout.c (initialize_sizetypes): Remove parameter.
1372 Always create an unsigned type.
1373 (set_sizetype): Assert that the passed type is unsigned and simplify.
1374 * tree.c (build_common_tree_nodes): Remove second parameter.
1375 Adjust call to initialize_sizetypes.
1376 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1377 build_common_tree_nodes.
1379 2010-04-18 Matthias Klose <doko@ubuntu.com>
1381 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1383 2010-04-18 Ira Rosen <irar@il.ibm.com>
1385 PR tree-optimization/43771
1386 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1387 load permutation doesn't have gaps.
1389 2010-04-18 Jan Hubicka <jh@suse.cz>
1391 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1392 (sse_prologue_save_insn expander): Use new pattern.
1393 (sse_prologue_save_insn1): New pattern and splitter.
1394 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1396 * i386.c (setup_incoming_varargs_64): Do not compute jump
1398 (ix86_gimplify_va_arg): Update alignment needed.
1399 (ix86_local_alignment): Do not align all local arrays to 128bit.
1401 2010-04-17 Jan Hubicka <jh@suse.cz>
1403 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1405 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1407 * arm.md (negdi2): Remove redundant code to force values into a
1410 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1412 * arm/bpabi.S: Add EABI alignment attributes to objects.
1413 * arm/bpabi-v6m.S: Likewise.
1414 * arm/crti.asm: Likewise.
1415 * arm/crtn.asm: Likewise.
1416 * arm/lib1funcs.asm: Likewise.
1417 * arm/libunwind.S: Likewise.
1419 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1421 * arm-protos.h (tune_params): New structure.
1422 * arm.c (current_tune): New variable.
1423 (arm_constant_limit): Delete.
1424 (struct processors): Add pointer to the tune parameters.
1425 (arm_slowmul_tune): New tuning option.
1426 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1427 (all_cores): Adjust to pick up the tuning model.
1428 (arm_constant_limit): New function.
1429 (arm_override_options): Select the appropriate tuning model. Delete
1430 initialization of arm_const_limit.
1431 (arm_split_constant): Use the new constant-limit model.
1432 (arm_rtx_costs): Pick up the current tuning model.
1433 * arm.md (is_strongarm, is_xscale): Delete.
1434 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1435 for Xscale variant architectures.
1436 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1438 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1440 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1442 (arm_rtx_costs_1): Remove unused variable extra_cost.
1443 (arm_unwind_emit_set): Use variable offset.
1444 (thumb1_output_casesi): Remove unused variable flags.
1446 2010-04-16 Jeff Law <law@redhat.com>
1448 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1449 needing assignment rather than doing a two-phase assignment. Remove
1450 unused variable 'm'.
1452 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1455 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1457 2010-04-16 Doug Kwan <dougkwan@google.com>
1459 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1460 (next_operand_entry_id): New static variable.
1461 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1462 (add_to_ops_vec): Assigned unique ID to operand entry.
1463 (struct oecount_s): New field ID.
1464 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1465 (undistribute_ops_list): Assign unique IDs to oecounts.
1466 (init_reassoc): reset next_operand_entry_id.
1468 2010-04-16 Doug Kwan <dougkwan@google.com>
1470 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1471 missing left parenthesis.
1473 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1475 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1476 *btdi_rex64 using SWI48 mode iterator.
1477 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1478 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1479 *jcc_btdi_mask_rex64.
1481 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1483 * double-int.h (tree_to_double_int): Convert to macro.
1484 * double-int.c (tree_to_double_int): Remove.
1486 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1489 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1490 with want_address 2 and in case a single element list might be
1491 possible, call it again with want_address 0.
1493 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1495 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1496 case 'W' print operands for HI mode.
1497 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1498 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1499 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1500 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1502 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1504 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1505 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1506 #xx:3 and #xx:4 mode.
1508 * config/h8300/h8300.md (inverted load with HImode dest): Add
1509 support for H8300SX.
1511 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1512 satisfy 'U' constraint.
1514 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1516 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1517 * configure: Regenerate.
1518 * config.in: Regenerate.
1519 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1522 2010-04-16 Richard Guenther <rguenther@suse.de>
1524 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1525 (struct tree_decl_common): ... here.
1526 (DECL_PT_UID): Adjust.
1527 (SET_DECL_PT_UID): Likewise.
1528 (DECL_PT_UID_SET_P): Likewise.
1530 2010-04-16 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/43572
1533 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1534 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1535 * tree-flow.h (is_call_clobbered): Remove.
1536 * tree-flow-inline.h (is_call_clobbered): Likewise.
1537 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1538 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1539 (execute_return_slot_opt): Adjust.
1540 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1541 check for call clobbered vars here.
1542 (find_tail_calls): Move tailcall verification to the
1545 2010-04-16 Diego Novillo <dnovillo@google.com>
1547 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1549 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1552 * config/arm/arm.md (cbranchqi4): New pattern.
1553 * config/arm/predicates.md (const0_operand,
1554 cbranchqi4_comparison_operator): New predicates.
1556 2010-04-16 Richard Guenther <rguenther@suse.de>
1558 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1559 (dump_gimple_stmt): Likewise.
1561 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1563 * recog.h (struct recog_data): New field is_operator.
1564 (struct insn_operand_data): New field is_operator.
1565 * recog.c (extract_insn): Set recog_data.is_operator.
1566 * genoutput.c (output_operand_data): Emit code to set the
1568 * reload.c (find_reloads): Use it rather than testing for an
1569 empty constraint string.
1572 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1573 If the previous insn is a cbranchsi4_insn with the same arguments,
1574 omit the compare instruction.
1576 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1577 register, inputs must be low registers and we need a low register
1578 scratch. Handle alternative 2 like alternative 3.
1580 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1582 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1583 don't call get_addr on both. If one expression is a VALUE and
1584 the other a REG, check VALUE's locs if the REG isn't among them.
1586 2010-04-16 Christian Bruel <christian.bruel@st.com>
1588 * config/sh/sh.h (sh_frame_pointer_required): New function.
1589 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1590 (flag_omit_frame_pointer) Set.
1591 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1592 (rounded_frame_size): Adjust size with outgoing_args_size.
1593 (sh_set_return_address): Must return from stack pointer.
1594 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1595 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1596 (ACCUMULATE_OUTGOING_ARGS): Define.
1597 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1598 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1600 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1603 * config/sh/sh.c (sh_legitimize_reload_address): Use
1604 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1605 Remove a unneeded check for offset_base.
1607 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1609 * configure: Regenerated.
1611 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1613 * config/s390/s390.c (s390_call_save_register_used): Switch back
1614 to HARD_REGNO_NREGS.
1616 2010-04-15 Richard Guenther <rguenther@suse.de>
1618 * alias.c (alias_set_subset_of): Handle alias-set zero
1621 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1622 Julian Brown <julian@codesourcery.com>
1624 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1625 alternatives according to use of high and low regs.
1626 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1627 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1628 optimizing for size on Thumb-2.
1630 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1632 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1634 2010-04-15 Richard Guenther <rguenther@suse.de>
1636 * tree-ssa-structalias.c (struct variable_info): Add
1638 (new_var_info): Initialize it.
1639 (dump_constraints): Support printing last added constraints.
1640 (debug_constraints): Adjust.
1641 (dump_constraint_graph): Likewise.
1642 (make_heapvar_for): Check for NULL cfun.
1643 (get_function_part_constraint): New function.
1644 (get_fi_for_callee): Likewise.
1645 (find_func_aliases): Properly implement IPA PTA constraints.
1646 (process_ipa_clobber): New function.
1647 (find_func_clobbers): Likewise.
1648 (insert_into_field_list_sorted): Remove.
1649 (create_function_info_for): Properly allocate vars for IPA mode.
1650 Do not use insert_into_field_list_sorted.
1651 (create_variable_info_for): Properly generate constraints for
1652 global vars in IPA mode.
1653 (dump_solution_for_var): Always dump the solution.
1654 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1655 (find_what_var_points_to): Adjust.
1656 (pt_solution_set): Change.
1657 (pt_solution_ior_into): New function.
1658 (pt_solution_empty_p): Export.
1659 (pt_solution_includes_global): Adjust.
1660 (pt_solution_includes_1): Likewise.
1661 (pt_solutions_intersect_1): Likewise.
1662 (dump_sa_points_to_info): Check some invariants.
1663 (solve_constraints): Move constraint dumping ...
1664 (compute_points_to_sets): ... here.
1665 (ipa_pta_execute): ... and here.
1666 (compute_may_aliases): Do not re-compute points-to info
1667 locally if IPA info is available.
1668 (ipa_escaped_pt): New global var.
1669 (ipa_pta_execute): Properly implement IPA PTA.
1670 * tree-into-ssa.c (dump_decl_set): Support dumping
1671 decls not in referenced-vars.
1672 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1673 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1674 (dump_points_to_solution): Likewise.
1675 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1676 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1677 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1678 (copy_decl_to_var): Copy DECL_PT_UID.
1679 (copy_result_decl_to_var): Likewise.
1680 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1681 (copy_node_stat): Copy it.
1682 * tree.h (DECL_PT_UID): New macro.
1683 (SET_DECL_PT_UID): Likewise.
1684 (DECL_PT_UID_SET_P): Likewise.
1685 (struct tree_decl_minimal): Add pt_uid member.
1686 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1687 (pt_solution_empty_p): Declare.
1688 (pt_solution_set): Adjust.
1689 (ipa_escaped_pt): Declare.
1690 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1691 * gimple-pretty-print.c (pp_points_to_solution): New function.
1692 (dump_gimple_call): Dump call clobber/use information.
1693 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1694 * tree-pass.h (TDF_ALIAS): New dump option.
1695 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1696 * doc/invoke.texi (-fipa-pta): Update documentation.
1698 2010-04-15 Richard Guenther <rguenther@suse.de>
1700 * Makefile.in (OBJS-common): Add gimple-fold.o.
1701 (gimple-fold.o): New rule.
1702 * tree.h (maybe_fold_offset_to_reference,
1703 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1705 * gimple.h: ... here.
1706 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1707 may_propagate_address_into_dereference): Move prototypes ...
1708 * gimple.h: ... here.
1709 * tree-ssa-ccp.c (get_symbol_constant_value,
1710 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1711 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1712 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1713 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1714 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1715 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1716 gimplify_and_update_call_from_tree): Move ...
1717 * gimple-fold.c: ... here. New file.
1718 (ccp_fold_builtin): Rename to ...
1719 (gimple_fold_builtin): ... this.
1720 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1722 2010-04-15 Richard Guenther <rguenther@suse.de>
1724 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1725 fit_double_type, force_fit_type_double, add_double_with_sign,
1726 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1727 lrotate_double, rrotate_double, div_and_round_double): Move ...
1728 * double-int.c: ... here.
1729 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1730 add_double, neg_double, mul_double_with_sign, mul_double,
1731 lshift_double, rshift_double, lrotate_double, rrotate_double,
1732 div_and_round_double): Move prototypes ...
1733 * double-int.h: ... here.
1735 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1738 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1739 matching constraints to ensure inputs match the output.
1741 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1744 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1745 in an input-only operand.
1747 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1749 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1750 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1751 (double_int_negative_p): Convert to static inline function.
1752 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1753 (double_int_negative_p): Remove.
1754 * tree.h (lshift_double, rshift_double):
1755 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1756 * fold-const.c (fold_convert_const_int_from_real,
1757 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1758 (lshift_double): Change type of arith argument to bool.
1759 (rshift_double): Change type of arith argument to bool. Correct
1761 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1763 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1766 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1767 at the start and end of the then/else blocks, and omit them from the
1769 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1770 argument; all callers changed. Pass zero to old_insns_match_p instead.
1771 (flow_find_head_matching_sequence): New function.
1772 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1773 * basic-block.h (flow_find_cross_jump,
1774 flow_find_head_matching_sequence): Declare functions.
1776 2010-04-14 Jason Merrill <jason@redhat.com>
1779 * c-common.c (attribute_takes_identifier_p): New fn.
1780 * c-common.h: Declare it.
1782 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1784 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1786 (*udivmod<mode>4): Ditto.
1788 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1790 * config/i386/i386.md (maxmin_int): Rename code attribute from
1791 maxminiprefix and update all users.
1792 (maxmin_float): Ditto from maxminfprefix.
1793 (logic): Ditto from logicprefix.
1794 (absneg_mnemonic): Ditto from absnegprefix.
1795 * config/i386/mmx.md: Update all users of maxminiprefix,
1796 maxminfprefix and logicprefix for rename.
1797 * config/i386/sse.md: Ditto.
1798 * config/i386/sync.md (sync_<code><mode>): Update for
1801 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1804 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1805 warnings converted to errors.
1807 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1809 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1810 used insn_type variable.
1811 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1812 to avoid set-but-not-used warning.
1814 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1816 * df-core.c (df_ref_debug): Change format string placeholder
1818 * dwarf2asm.c (dw2_asm_output_data_raw,
1819 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1820 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1821 * dwarf2out.c (output_cfi, output_cfi_directive,
1822 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1823 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1825 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1826 * print-rtl.c (print_rtx): Ditto.
1828 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1831 * builtins.c (expand_builtin_pow_root): New function to expand pow
1832 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1833 series of sqrt and cbrt calls under -ffast-math.
1834 (expand_builtin_pow): Call it.
1836 2010-04-14 Michael Matz <matz@suse.de>
1838 PR tree-optimization/42963
1839 * tree-cfg.c (touched_switch_bbs): New static variable.
1840 (group_case_labels_stmt): New function broken out from ...
1841 (group_case_labels): ... here, use the above.
1842 (start_recording_case_labels): Allocate touched_switch_bbs.
1843 (end_recording_case_labels): Deallocate it, call
1844 group_case_labels_stmt.
1845 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1847 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1849 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1852 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1854 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1856 2010-04-13 Jan Hubicka <jh@suse.cz>
1858 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1859 of optimized out static functions.
1860 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1861 cost computation. Also sanity check for overflows.
1862 (update_caller_keys): Update cgraph_edge_badness call; properly
1863 update fibheap and sanity check that it is up to date.
1864 (add_new_edges_to_heap): Update cgraph_edge_badness.
1865 (cgraph_decide_inlining_of_small_function): Likewise;
1866 add sanity checking that badness in heap is up to date;
1867 improve dumping of reason; Update badness of calls to the
1868 offline copy of function currently inlined; dump badness
1869 of functions not inlined because of unit growth limits.
1871 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1874 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1875 because of sign-extension change when converting to sizetype here...
1876 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1878 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1879 the folding to constants. Remove redundant final conversion.
1880 (fold_binary) <associate>: Do not associate if the re-association of
1881 constants alone overflows.
1882 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1883 to the end of the list.
1884 (multiple_of_p) <COND_EXPR>: New case.
1886 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1888 * opt-functions.awk (opt_sanitized_name): New.
1890 * optc-gen.awk: Use it
1891 * opth-gen.awk: Use it.
1893 2010-04-13 Martin Jambor <mjambor@suse.cz>
1895 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1896 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1897 children. Call replace_uses_with_default_def_ssa_name to handle
1900 2010-04-13 Michael Matz <matz@suse.de>
1903 * builtins.c (expand_builtin_interclass_mathfn): Also create
1904 a register if the predicate doesn't match.
1906 2010-04-13 Diego Novillo <dnovillo@google.com>
1908 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1909 * c-pch.c: Include timevar.h.
1910 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1911 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1912 * ggc-common.c: Include timevar.h.
1913 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1914 * timevar.def (TV_PCH_SAVE): Define.
1915 (TV_PCH_CPP_SAVE): Define.
1916 (TV_PCH_PTR_REALLOC): Define.
1917 (TV_PCH_PTR_SORT): Define.
1918 (TV_PCH_RESTORE): Define.
1919 (TV_PCH_CPP_RESTORE): Define.
1921 2010-04-13 Michael Matz <matz@suse.de>
1923 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1925 (can_reassociate_p): New function.
1926 (break_up_subtract_bb, reassociate_bb): Use it.
1928 2010-04-13 Richard Guenther <rguenther@suse.de>
1931 * builtins.c (c_readstr): Fix assert.
1933 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1935 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1936 when generating cltd insn.
1938 (*ashl<mode>3_1): Remove special handling for register operand 2.
1939 (*ashlsi3_1_zext): Ditto.
1940 (*ashlhi3_1): Ditto.
1941 (*ashlhi3_1_lea): Ditto.
1942 (*ashlqi3_1): Ditto.
1943 (*ashlqi3_1_lea): Ditto.
1944 (*<shiftrt_insn><mode>3_1): Ditto.
1945 (*<shiftrt_insn>si3_1_zext): Ditto.
1946 (*<shiftrt_insn>qi3_1_slp): Ditto.
1947 (*<rotate_insn><mode>3_1): Ditto.
1948 (*<rotate_insn>si3_1_zext): Ditto.
1949 (*<rotate_insn>qi3_1_slp): Ditto.
1951 2010-04-13 Richard Guenther <rguenther@suse.de>
1953 * tree-ssa-structalias.c (callused_id): Remove.
1954 (call_stmt_vars): New.
1955 (get_call_vi): Likewise.
1956 (lookup_call_use_vi): Likewise.
1957 (lookup_call_clobber_vi): Likewise.
1958 (get_call_use_vi): Likewise.
1959 (get_call_clobber_vi): Likewise.
1960 (make_transitive_closure_constraints): Likewise.
1961 (handle_const_call): Adjust to do per-call call-used handling.
1962 (handle_pure_call): Likewise.
1963 (find_what_var_points_to): Remove general callused handling.
1964 (init_base_vars): Likewise.
1965 (init_alias_vars): Initialize call_stmt_vars.
1966 (compute_points_to_sets): Process call-used and call-clobbered
1967 vars for call statements.
1968 (delete_points_to_sets): Free call_stmt_vars.
1970 2010-04-13 Richard Guenther <rguenther@suse.de>
1972 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1973 Only add RW dependence for dependence distance zero.
1974 Adjust maximal vectorization factor according to dependences.
1975 Move alignment handling ...
1976 (vect_find_same_alignment_drs): ... here. New function.
1977 (vect_analyze_data_ref_dependences): Adjust.
1978 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1979 (vect_analyze_data_refs): Adjust minimal vectorization factor
1980 according to data references.
1981 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1982 dependences before determining the vectorization factor.
1983 Analyze alignment after determining the vectorization factor.
1984 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1985 dependences before alignment.
1986 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1988 (vect_analyze_data_refs): Likewise.
1989 (MAX_VECTORIZATION_FACTOR): New define.
1991 2010-04-13 Duncan Sands <baldrick@free.fr>
1993 * except.h (lang_eh_type_covers): Remove.
1994 * except.c (lang_eh_type_covers): Likewise.
1996 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1997 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1999 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2000 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2001 UNITS_PER_LONG where it is ABI relevant.
2002 (s390_return_addr_rtx): Likewise.
2003 (s390_back_chain_rtx): Likewise.
2004 (s390_frame_area): Likewise.
2005 (s390_frame_info): Likewise.
2006 (s390_initial_elimination_offset): Likewise.
2007 (save_gprs): Likewise.
2008 (s390_emit_prologue): Likewise.
2009 (s390_emit_epilogue): Likewise.
2010 (s390_function_arg_advance): Likewise.
2011 (s390_function_arg): Likewise.
2012 (s390_va_start): Likewise.
2013 (s390_gimplify_va_arg): Likewise.
2014 (s390_function_profiler): Likewise.
2015 (s390_optimize_prologue): Likewise.
2016 (s390_rtx_costs): Likewise.
2017 (s390_secondary_reload): Likewise.
2018 (s390_promote_function_mode): Likewise.
2019 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2020 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2021 registers available.
2022 (s390_unwind_word_mode): New function.
2023 (s390_function_value): Split 64 bit values into register pair if
2024 used as return value.
2025 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2026 function call parameters. Handle parallels.
2027 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2028 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2029 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2030 (s390_expand_setmem): Remove unused variable src_addr.
2031 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2032 deal with 64 bit registers.
2033 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2034 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2035 (UNITS_PER_LONG): New macro.
2036 * libjava/include/s390-signal.h: Define extended ucontext
2037 structure containing the upper halfs of the 64 bit registers.
2039 2010-04-13 Simon Baldwin <simonb@google.com>
2041 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2043 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2045 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2046 rvalue on the RHS if the LHS is of a non-renamable type.
2047 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2049 2010-04-13 Matthias Klose <doko@ubuntu.com>
2051 * gcc.c (cc1_options): Handle -iplugindir before processing
2052 the cc1 spec. Only add -iplugindir once.
2053 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2055 * common.opt (iplugindir): Remove `Separate' property, initialize.
2056 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2058 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2059 (distclean): Remove plugin dir.
2060 * doc/invoke.texi: Document -iplugindir.
2062 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2064 * doc/plugins.texi (Loading Plugins): Document short
2065 -fplugin=foo option.
2066 (Plugin API): Mention default_plugin_dir_name function.
2068 * gcc.c (find_file_spec_function): Add new declaration.
2069 (static_spec_func): Use it for "find-file".
2070 (find_file_spec_function): Add new function.
2071 (cc1_options): Add -iplugindir option if -fplugin* options found.
2073 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2075 * plugin.c (add_new_plugin): Updated comment, and handle short
2077 (default_plugin_dir_name): Added new function.
2079 * common.opt (iplugindir): New option to set the plugin directory.
2081 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2083 * config/i386/i386.md (any_rotate): New code iterator.
2084 (rotate_insn): New code attribute.
2086 (SWIM124): New mode iterator.
2087 (<rotate_insn>ti3): New expander.
2088 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2089 any_rotate code iterator.
2090 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2091 using any_rotate code iterator and SWIM124 mode iterator.
2092 (ix86_rotlti3): New insn_and_split pattern.
2093 (ix86_rotrti3): Ditto.
2094 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2095 ix86_rotl{di,ti}3 patterns.
2096 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2097 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2098 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2099 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2100 code iterator and SWI mode iterator.
2101 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2102 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2104 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2105 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2106 (bswap rotatert splitter): Add splitter.
2107 (bswap splitter): Macroize splitter using any_rotate code iterator.
2108 Add insn predicate to split only for TARGET_USE_XCHGB or when
2109 optimizing function for size.
2111 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2113 * config/pa/pa.c (emit_move_sequence): Remove use of
2114 deleted variable flag_argument_noalias.
2116 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2118 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2120 Add to unsupported targets list.
2121 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2122 sparc*-sun-solaris2.[567]* from target lists.
2123 * configure: Regenerate.
2124 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2126 Remove Solaris 7 patch references.
2127 (Specific, sparc-sun-solaris2.7): Removed.
2128 (sparc-sun-solaris2*): Update Solaris 7 example.
2129 (sparc64-*-solaris2*): Likewise.
2131 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2133 * config.build (alpha*-dec-osf4*): Remove.
2134 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2135 of obsolete configurations.
2136 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2138 * config/alpha/t-osf4: Renamed to ...
2139 * config/alpha/t-osf5: ... this.
2140 * config/alpha/osf.h: Renamed to ...
2141 * config/alpha/osf5.h: ... this.
2142 Merged old osf5.h contents.
2144 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2145 (EXTRA_SPECS): Removed.
2146 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2147 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2150 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2152 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2154 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2157 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2158 __thiscall convention.
2160 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2162 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2164 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2166 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2168 * function.c (assign_parms_initialize_all): Add unused attribute
2171 2010-04-12 Richard Guenther <rguenther@suse.de>
2173 * gsstruct.def (GSS_CALL): New.
2174 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2175 * gimple.h: Include tree-ssa-alias.h.
2176 (struct gimple_statement_call): New.
2177 (union gimple_statement_struct_d): Add gimple_call member.
2178 (gimple_call_reset_alias_info): Declare.
2179 (gimple_call_use_set): New function.
2180 (gimple_call_clobber_set): Likewise.
2181 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2182 * gimple.c (gimple_call_reset_alias_info): New function.
2183 (gimple_build_call_1): Call it.
2184 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2185 * tree-inline.c (remap_gimple_stmt): Likewise.
2186 (expand_call_inline): Remove callused handling.
2187 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2188 * tree-dfa.c (dump_variable): Likewise.
2189 * tree-parloops.c (parallelize_loops): Likewise.
2190 * tree-ssa.c (init_tree_ssa): Likewise.
2191 (delete_tree_ssa): Likewise.
2192 * tree-flow-inline.h (is_call_used): Remove.
2193 * tree-flow.h (struct gimple_df): Remove callused member.
2194 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2195 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2196 (ref_maybe_used_by_call_p_1): Simplify.
2197 (call_may_clobber_ref_p_1): Likewise.
2198 * tree-ssa-structalias.c (compute_points_to_sets): Set
2199 the call stmt used and clobbered sets.
2200 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2201 (find_tail_calls): Verify the tail call.
2203 2010-04-12 Richard Guenther <rguenther@suse.de>
2205 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2206 single-iteration always-inline inlining.
2207 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2208 (cgraph_decide_inlining): Do not handle always-inline specially.
2209 (try_inline): Remove always-inline cycle detection special case.
2210 Do not recurse on always-inlines.
2211 (cgraph_early_inlining): Do not iterate if not optimizing.
2212 (cgraph_gate_early_inlining): remove.
2213 (pass_early_inline): Run unconditionally.
2214 (gate_cgraph_decide_inlining): New function.
2215 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2216 not inlining or optimizing.
2217 (cgraph_decide_inlining_of_small_functions): Also consider
2218 always-inline functions.
2219 (cgraph_default_inline_p): Return true for nodes which should
2220 disregard inline limits.
2221 (estimate_function_body_sizes): Assume zero size and time for
2222 nodes which are marked as disregarding inline limits.
2223 (cgraph_decide_recursive_inlining): Do not perform recursive
2224 inlining on always-inline nodes.
2226 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2229 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2230 for exprs satisfying handled_component_p.
2232 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2234 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2235 non-constant aggregate elements.
2237 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2238 is a real initialization.
2240 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2243 * c-decl.c (start_function): Move forward check for nested function.
2245 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2247 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2248 * config/sh/sh.c: Include reload.h.
2249 (sh_legitimize_reload_address): New.
2250 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2251 sh_legitimize_reload_address.
2253 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2255 * config/sh/sh.md (*movqi_pop): New insn pattern.
2256 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2258 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2260 * config/i386/i386.md (any_shiftrt): New code iterator.
2261 (shiftrt_insn): New code attribute.
2263 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2264 using any_shiftrt code iterator.
2265 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2266 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2267 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2268 pattern from corresponding peephole2 patterns.
2269 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2270 using any_shiftrt code iterator.
2271 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2272 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2273 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2274 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2275 *{ashr,lshr}<mode>3_cmp_zext.
2276 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2278 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2280 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2282 (*lshr<mode>3_cconly): Ditto.
2284 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2286 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2287 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2288 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2289 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2291 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2292 from corresponding peephole2 patterns.
2293 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2294 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2295 and *lshrdi3_1_rex64 using SWI mode iterator.
2296 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2297 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2298 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2299 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2300 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2301 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2302 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2303 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2304 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2307 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2309 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2310 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2311 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2312 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2314 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2315 from corresponding peephole2 patterns.
2316 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2317 (ashrsi3_cvt): Rename from ashrsi3_31.
2318 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2319 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2320 and x86_64_shift_adj_3 using SWI48 mode iterator.
2321 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2322 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2323 and *ashrdi3_1_rex64 using SWI mode iterator.
2324 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2325 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2326 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2327 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2328 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2329 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2330 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2331 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2332 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2334 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2335 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2336 x86_shift<mode>_adj_3 expanders.
2338 2010-04-10 Wei Guozhi <carrot@google.com>
2341 * config/arm/arm.c (arm_pic_static_addr): New function.
2342 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2344 (arm_output_addr_const_extra): Output expression for new pattern.
2345 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2347 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2349 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2352 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2353 * web.c: Include "insn-config.h" and "recog.h".
2354 (union_match_dups): New function.
2355 (web_main): Call it.
2356 (union_defs): Don't try to recognize match_dups.
2358 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2359 if doing so would replace the entire pattern.
2361 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2365 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2366 and splitter pattern. Change splitter operand 1 predicate to
2369 2010-04-09 Martin Jambor <mjambor@suse.cz>
2371 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2372 lattices are addresses of CONST_DECLs with the same initial value.
2373 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2374 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2376 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2377 Bernd Schmidt <bernds@codesourcery.com>
2379 * loop-invariant.c (replace_uses): New static function.
2380 (move_invariant_reg): Use it to ensure we can replace the uses.
2382 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2384 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2386 (picochip_override_options): Enable section anchors only above -O1.
2387 (picochip_reorg): Fixed a couple of build warnings.
2389 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2391 * configure.ac (plugin -rdynamic test): Log result.
2392 * configure: Regenerate.
2393 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2394 (RDYNAMIC_SPEC): Define.
2395 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2397 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2399 * configure.ac: Determine Sun ld version numbers.
2400 (comdat_group): Restrict GNU ld version checks to gld.
2401 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2402 (enable_comdat): Support --enable-comdat.
2403 * configure: Regenerate.
2404 * doc/install.texi (Configuration): Document --enable-comdat.
2406 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2408 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2409 * config/sol2-gld.h: ... here.
2410 * config.gcc (sparc*-*-solaris2*): Reflect this.
2411 (i[34567]86-*-solaris2*): Use it.
2413 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2415 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2417 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2419 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2422 * diagnostic.c (diagnostic_initialize): Initialize
2423 some_warnings_are_errors.
2424 (diagnostic_finish): New.
2425 (diagnostic_action_after_output): Call it before exiting.
2426 (diagnostic_report_diagnostic): Do not print message here. Set
2427 some_warnings_are_errors.
2428 * diagnostic.h (diagnostic_context): Delete
2429 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2430 (diagnostic_finish): Declare.
2431 * toplev.c (toplev_main): Call it before exit.
2433 2010-04-09 Jason Merrill <jason@redhat.com>
2436 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2437 for incomplete type.
2440 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2441 based on a warning flag.
2443 2010-04-09 Richard Guenther <rguenther@suse.de>
2445 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2447 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2450 * varasm.c (default_assemble_visibility): Wrap vars that are
2451 set, but unused, by targets without GAS.
2452 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2453 Remove set, but unused, vars.
2454 (rs6000_legitimize_tls_address): Likewise.
2455 (altivec_expand_dst_builtin): Likewise.
2456 * config/darwin.c (machopic_classify_symbol): Likewise.
2457 (machopic_indirection_name): Likewise.
2459 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2461 * config/i386/i386.md (DWI): New mode iterator.
2462 (S): New mode attribute.
2463 (shift_operand): Ditto.
2464 (shift_immediate_operand): Ditto.
2465 (ashl_input_operand): Ditto.
2466 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2467 using SDWIM mode iterator.
2468 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2469 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2471 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2472 from corresponding peephole2 patterns.
2473 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2474 and x86_64_shift_adj_1 using SWI48 mode iterator.
2475 (x86_shift<mode>_adj_2): Ditto.
2476 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2477 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2478 using SWI48 mode iterator.
2479 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2480 *ashldi3_cmp_rex64 using SWI mode iterator.
2481 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2482 *ashldi3_cconly_rex64 using SWI mode iterator.
2483 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2484 x86_shift<mode>_adj_{1,2}.
2485 (ix86_split_ashr): Ditto.
2486 (ix86_split_lshr): Ditto.
2488 2010-04-09 Richard Guenther <rguenther@suse.de>
2490 * target.h (builtin_conversion): Pass in input and output types.
2491 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2492 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2493 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2494 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2496 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2498 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2500 2010-04-09 Richard Guenther <rguenther@suse.de>
2503 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2505 2010-04-09 Richard Guenther <rguenther@suse.de>
2507 * tree-vectorizer.h (struct _stmt_vec_info): Document
2508 that vectype is the type of the LHS.
2509 (supportable_widening_operation, supportable_narrowing_operation):
2510 Get both input and output vector types as arguments.
2511 (vect_is_simple_use_1): Declare.
2512 (get_same_sized_vectype): Likewise.
2513 * tree-vect-loop.c (vect_determine_vectorization_factor):
2514 Set STMT_VINFO_VECTYPE to the vector type of the def.
2515 (vectorizable_reduction): Adjust.
2516 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2517 Adjust. Specify the output vector type.
2518 (vect_pattern_recog_1): Adjust.
2519 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2520 (vectorizable_call): Adjust.
2521 (vectorizable_conversion): Likewise.
2522 (vectorizable_operation): Likewise.
2523 (vectorizable_type_demotion): Likewise.
2524 (vectorizable_type_promotion): Likewise.
2525 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2527 (vect_is_simple_use_1): New function.
2528 (supportable_widening_operation): Get both input and output
2530 (supportable_narrowing_operation): Likewise.
2531 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2533 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2535 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2536 __thiscall and _thiscall as predefined macros.
2537 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2538 thiscall attribute handling.
2539 (ix86_comp_type_attributes): Likewise.
2540 (ix86_function_regparm): Likewise.
2541 (ix86_return_pops_args): Likewise.
2542 (init_cumulative_args): Likewise.
2543 (find_drap_reg): Likewise.
2544 (ix86_static_chain): Likewise.
2545 (x86_this_parameter): Likewise.
2546 (x86_output_mi_thunk): Likewise.
2547 (ix86_attribute_table): Add description for thiscall attribute.
2548 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2549 * doc/extend.texi: Add documentation for thiscall.
2551 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2554 * c.opt (Wint-to-pointer-cast): Available in C++.
2555 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2557 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2559 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2560 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2561 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2562 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2563 function type instead. Reorder and simplify checks.
2565 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2567 2010-04-08 Jing Yu <jingyu@google.com>
2568 Zdenek Dvorak <ook@ucw.cz>
2570 PR tree-optimization/42720
2571 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2572 loop unswitch conditions here from ...
2573 (tree_unswitch_single_loop): ... here.
2575 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2577 * tree-if-conv.c: Fix comments and simplify logic.
2579 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2581 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2582 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2583 (main_tree_if_conversion): Update call to tree_if_conversion.
2585 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2588 * doc/invoke.texi (-b,-V): Delete.
2589 * doc/tm.texi: Do not mention -b.
2590 * gcc.c (display_help): Delete -b and -V.
2591 (process_command): Delete -b and -V.
2592 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2594 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2595 Wolfgang Gellerich <gellerich@de.ibm.com>
2597 Implement target hook for loop unrolling
2598 * target.h (loop_unroll_adjust): Add a new target hook function.
2599 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2600 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2601 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2602 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2603 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2605 (decide_unroll_stupid): Likewise.
2607 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2610 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2612 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2614 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2615 (Specific, *-*-solaris2*): Likewise.
2616 Don't prefer Sun as over GNU as.
2618 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2620 * config/s390/s390.c (override_options): Adjust the z10
2621 defaults for max-unroll-times, max-completely-peeled-insns
2622 and max-completely-peel-times.
2624 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2626 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2627 instructions for z10.
2628 (s390_expand_setmem): Likewise.
2629 (s390_expand_cmpmem): Likewise.
2631 2010-04-08 Richard Guenther <rguenther@suse.de>
2633 PR tree-optimization/43679
2634 * tree-ssa-pre.c (eliminate): Only propagate copies.
2636 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2639 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2640 set but not used variable warning.
2642 2010-04-08 Wei Guozhi <carrot@google.com>
2645 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2646 (arm_size_rtx_costs): Call the new function when optimized for size.
2648 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2651 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2652 op0 is not a MEM, just return NULL instead of assertion
2654 (discover_nonconstant_array_refs): Don't walk debug stmts.
2656 2010-04-08 Doug Kwan <dougkwan@google.com>
2658 * configure.ac: Recognize gold and do not use its version number
2659 to test ld features.
2660 * configure: Regenerate.
2662 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2665 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2666 (negate_value): Move code to push elements to broken_up_substracts ...
2667 (eliminate_plus_minus_pair): ... here. Push operands that have no
2668 negative pair to plus_negates.
2669 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2671 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2673 * doc/install.texi (Configuration): Move description of
2674 --enable-lto, --with-libelf*, --enable-gold from Java section to
2677 * doc/generic.texi (Working with declarations)
2678 (Function Properties, C and C++ Trees): Fix typos.
2679 * doc/sourcebuild.texi (Top Level): Likewise.
2681 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2684 * tree.h (DECL_READ_P): Define.
2685 (struct tree_decl_common): Add decl_read_flag.
2686 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2687 a set but not used warning.
2688 (merge_decls): Merge DECL_READ_P flag.
2689 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2690 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2691 * c-common.c (handle_used_attribute, handle_unused_attribute):
2693 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2695 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2697 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2698 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2699 c_parser_binary_expression, c_parser_cast_expression,
2700 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2701 Call default_function_array_read_conversion instead of
2702 default_function_array_conversion where needed.
2703 (c_parser_unary_expression, c_parser_conditional_expression,
2704 c_parser_postfix_expression_after_primary, c_parser_initelt):
2705 Likewise. Call mark_exp_read where needed.
2706 (c_parser_statement_after_labels, c_parser_asm_operands,
2707 c_parser_typeof_specifier, c_parser_sizeof_expression,
2708 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2710 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2712 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2713 (warn_unused_but_set_parameter): Default to warn_unused
2715 * doc/invoke.texi: Document -Wunused-but-set-variable and
2716 -Wunused-but-set-parameter.
2718 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2719 used count variable.
2720 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2721 when operandN variables aren't used in the body of the expander
2723 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2724 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2725 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2726 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2727 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2728 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2729 * tree.c (PROCESS_ARG): Likewise.
2731 2010-04-07 Simon Baldwin <simonb@google.com>
2733 * diagnostic.h (diagnostic_override_option_index): New macro to
2734 set a diagnostic's option_index.
2735 * c-tree.h (c_cpp_error): Add warning reason argument.
2736 * opts.c (_warning_as_error_callback): New.
2737 (register_warning_as_error_callback): Store callback for
2738 warnings enabled via enable_warning_as_error.
2739 (enable_warning_as_error): Call callback, minor code tidy.
2740 * opts.h (register_warning_as_error_callback): Declare.
2741 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2742 response to -Werror=.
2743 (c_common_init_options): Register warning_as_error_callback in opts.c.
2744 * common.opt: Add -Wno-cpp option.
2745 * c-common.c (struct reason_option_codes_t): Map cpp warning
2746 reason codes to gcc option indexes.
2747 * (c_option_controlling_cpp_error): New function, lookup the gcc
2748 option index for a cpp warning reason code.
2749 * (c_cpp_error): Add warning reason argument, call
2750 c_option_controlling_cpp_error for diagnostic_override_option_index.
2751 * doc/invoke.texi: Document -Wno-cpp.
2753 2010-04-07 Richard Guenther <rguenther@suse.de>
2755 * ipa-reference.c (mark_load): Use get_base_address.
2756 (mark_store): Likewise.
2758 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2759 inserting GIMPLE_NOPs into the IL.
2760 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2761 Explicitly strip handled components and indirect references.
2763 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2764 folding address expressions.
2765 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2766 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2767 operand_equal_p to compare decls.
2768 (ptr_deref_may_alias_decl_p): Likewise.
2769 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2770 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2771 Handle reversed comparison ops.
2772 * tree-sra.c (asm_visit_addr): Use get_base_address.
2773 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2774 * ipa-reference.c (mark_address): Use get_base_address.
2776 2010-04-07 Richard Guenther <rguenther@suse.de>
2778 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2779 Propagate constants everywhere.
2781 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2784 * tree.c (MAX_INT_CACHED_PREC): Define.
2785 (nonstandard_integer_type_cache): New array.
2786 (build_nonstandard_integer_type): Cache results for precision
2787 <= MAX_INT_CACHED_PREC.
2789 2010-04-07 Richard Guenther <rguenther@suse.de>
2791 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2792 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2793 * common.opt: Likewise.
2794 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2795 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2796 (nonoverlapping_memrefs_p): Likewise.
2797 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2798 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2799 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2800 OPT_fargument_noalias_global for backward compatibility.
2802 2010-04-07 Richard Guenther <rguenther@suse.de>
2804 PR tree-optimization/43270
2805 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2806 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2807 * tree-ssa-pre.c (phi_translate_1): Adjust.
2808 (fully_constant_expression): Split out vn_reference handling to ...
2809 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2810 Fold reads from constant strings.
2811 (vn_reference_lookup): Handle fully constant references.
2812 (vn_reference_lookup_pieces): Likewise.
2813 * Makefile.in (expmed.o-warn): Add -Wno-error.
2815 2010-04-07 Martin Jambor <mjambor@suse.cz>
2817 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2819 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2822 * gcc.c: Add -static-libstdc++ to list of recognized options.
2824 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2826 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2828 2010-04-07 Richard Guenther <rguenther@suse.de>
2831 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2832 bases build simple mem attributes to retain points-to information.
2834 2010-04-07 Richard Guenther <rguenther@suse.de>
2837 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2838 preserve points-to related information.
2840 2010-04-07 Richard Guenther <rguenther@suse.de>
2843 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2844 discard plain indirect references.
2845 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2846 * tree.c (tree_nop_conversion): Likewise.
2848 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2851 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2853 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2855 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2856 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2858 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2860 * tree-if-conv.c: Fix indentation and comments.
2862 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2864 * tree-if-conv.c: Sort static functions in topological order.
2866 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2868 * tree-if-conv.c: Fix indentation and comments.
2870 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2873 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2874 lang_hooks.types.type_for_size instead of
2875 build_nonstandard_integer_type.
2876 When converting an unsigned type to signed, double its precision.
2877 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2878 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2879 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2882 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2885 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2886 POINTER_PLUS_EXPR for pointer types.
2888 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2891 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2892 * graphite-clast-to-gimple.c: Include langhooks.h.
2893 (max_signed_precision_type): New.
2894 (max_precision_type): Takes two types as arguments.
2895 (precision_for_value): New.
2896 (precision_for_interval): New.
2897 (gcc_type_for_interval): New.
2898 (gcc_type_for_value): New.
2899 (gcc_type_for_clast_term): New.
2900 (gcc_type_for_clast_red): New.
2901 (gcc_type_for_clast_bin): New.
2902 (gcc_type_for_clast_expr): Split up into several functions.
2903 (gcc_type_for_clast_eq): Rewritten.
2904 (compute_bounds_for_level): New.
2905 (compute_type_for_level_1): New.
2906 (compute_type_for_level): New.
2907 (gcc_type_for_cloog_iv): Removed.
2908 (gcc_type_for_iv_of_clast_loop): Rewritten.
2909 (graphite_create_new_loop): Compute the lower and upper bound types
2910 with gcc_type_for_clast_expr.
2911 (graphite_create_new_loop_guard): Same.
2912 (find_cloog_iv_in_expr): Removed.
2913 (compute_cloog_iv_types_1): Removed.
2914 (compute_cloog_iv_types): Removed.
2915 (gloog): Do not call compute_cloog_iv_types.
2916 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2918 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2919 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2920 (GBB_CLOOG_IV_TYPES): Removed.
2922 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2924 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2925 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2926 (detect_commutative_reduction): Same.
2928 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2930 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2931 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2933 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2934 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2935 (rewrite_commutative_reductions_out_of_ssa): Same.
2936 * passes.c (execute_function_todo): Call verify_ssa for every pass
2937 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2938 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2939 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2940 with an extra argument.
2941 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2942 verify_ssa only when the extra argument is true.
2943 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2944 with an extra argument.
2945 (tree_transform_and_unroll_loop): Same.
2947 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2949 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2950 for all the passes of the LNO having LOOP_CLOSED_SSA.
2951 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2952 * tree-loop-distribution.c (pass_loop_distribution): Same.
2953 * tree-pass.h (TODO_verify_loops): Removed.
2954 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2956 (pass_tree_unswitch): Same.
2957 (pass_predcom): Same.
2958 (pass_vectorize): Same.
2959 (pass_linear_transform): Same.
2960 (pass_graphite_transforms): Same.
2961 (pass_iv_canon): Same.
2962 (pass_complete_unroll): Same.
2963 (pass_complete_unrolli): Same.
2964 (pass_parallelize_loops): Same.
2965 (pass_loop_prefetch): Same.
2966 (pass_iv_optimize): Same.
2968 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2971 * passes.c (init_optimization_passes): Move pass_lim before
2972 pass_copy_prop and pass_dce_loop.
2974 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2977 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2978 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2979 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2980 MULTI_* defines for 4 argument vpermil2p* builtins.
2982 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2984 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2985 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2986 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2987 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2988 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2989 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2990 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2991 Use x86_maybe_negate_const_int to output insn mnemonic.
2992 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2993 check from instruction predicate. Update comments.
2994 * config/i386/sync.md (sync_add<mode>): Use
2995 x86_maybe_negate_const_int to output insn mnemonic.
2997 2010-04-06 Jan Hubicka <jh@suse.cz>
2999 PR tree-optimization/42906
3000 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3001 IGNORE_SELF argument. Set visited_control_parents for fully
3003 (find_obviously_necessary_stmts): Update call of
3004 mark_control_dependent_edges_necessary.
3005 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3007 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3009 * config/i386/i386.md: Remove comment about 'e' and 'E'
3012 2010-04-06 Richard Guenther <rguenther@suse.de>
3014 PR tree-optimization/43627
3015 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3016 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3019 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3021 * BASE-VER: Change to 4.6.0.
3024 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3027 2010-04-06 Richard Guenther <rguenther@suse.de>
3030 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3032 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3034 * doc/invoke.texi (Optimize Options): Document that LTO
3035 won't remove object access purely due to incompatible
3038 2010-04-04 Matthias Klose <doko@ubuntu.com>
3040 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3041 Initialize variable.
3043 2010-04-03 Richard Guenther <rguenther@suse.de>
3046 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3047 require a non-NULL MEM_OFFSET.
3049 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3051 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3052 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3053 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3054 config/alpha/predicates.md, config/arm/arm.md,
3055 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3056 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3057 config/darwin9.h, config/darwin.c, config/darwin.h,
3058 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3059 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3060 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3061 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3062 config/mips/mips.md, config/mn10300/mn10300.c,
3063 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3064 config/rs6000/aix.h, config/rs6000/dfp.md,
3065 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3066 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3067 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3068 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3069 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3070 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3071 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3072 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3073 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3074 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3075 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3076 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3077 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3078 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3079 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3080 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3081 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3082 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3083 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3084 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3085 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3086 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3087 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3088 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3089 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3090 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3091 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3092 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3093 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3094 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3095 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3096 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3097 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3098 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3099 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3100 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3102 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3105 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3106 * aclocal.m4: Regenerate.
3108 2010-04-02 Richard Guenther <rguenther@suse.de>
3110 PR tree-optimization/43629
3111 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3112 if we have seen a constant value.
3114 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3116 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3118 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3121 * arm.c (legitimize_tls_address): Adjust call to
3122 gen_tls_load_dot_plus_four.
3123 (arm_note_pic_base): New function.
3124 (arm_cannot_copy_insn_p): Use it.
3125 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3128 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3133 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3135 * Makefile.in ($(out_object_file)): Depend on
3136 gt-$(basename $(notdir $(out_file))).h.
3138 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3140 * config.gcc (lm32-*-rtems*): Add t-lm32.
3142 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3144 * config.gcc: Add lm32-*-rtems*.
3145 * config/lm32/rtems.h: New file.
3147 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3150 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3152 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3154 * dwarf2out.c (output_compilation_unit_header): For
3155 -gdwarf-4 use version 4 instead of version 3.
3156 (output_line_info): For version 4 and above emit additional
3157 maximum ops per insn header field.
3158 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3160 * dwarf2out.c (is_c_family, is_java): Remove.
3161 (lower_bound_default): New function.
3162 (add_bound_info, gen_descr_array_type_die): Use it.
3164 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3167 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3168 re-declaration when it happens in a function.
3170 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3172 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3173 (cgraph_remove_function_insertion_hook): Same.
3174 (cgraph_call_function_insertion_hooks): Same.
3176 2010-04-01 Richard Guenther <rguenther@suse.de>
3179 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3180 and TREE_THIS_VOLATILE.
3181 (copy_ref_info): Likewise.
3182 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3183 * tree.c (build6_stat): Ignore side-effects of all but arg5
3184 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3187 2010-04-01 Richard Guenther <rguenther@suse.de>
3189 PR tree-optimization/43607
3190 * ipa-type-escape.c (check_call): Do not access non-existing
3193 2010-04-01 Richard Guenther <rguenther@suse.de>
3197 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3198 Jack Howarth <howarth@bromo.med.uc.edu>
3200 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3203 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3205 * doc/install.texi (Prerequisites): Document libelf usability on
3206 IRIX 5/6 and Solaris 2.
3207 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3208 Update GNU as, GNU ld requirements.
3209 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3210 Document Sun Studio compiler download.
3211 Update and simplify as, ld recommendations.
3212 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3214 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3216 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3217 with_tune_32 to pentium4.
3219 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3221 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3223 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3225 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3226 obsoletion, removal.
3228 Document GNU as requirement.
3229 Update configure requirements.
3230 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3231 Recomment IRIX 6.5.18+.
3232 Document IDF/IDL requirement.
3233 Document GNU as requirement.
3234 Document GNU ld bootstrap failure.
3235 Remove freeware.sgi.com reference.
3237 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3239 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3240 UNIX V4.0, V5.0 obsoletion, removal.
3241 Remove --with-gc=simple reference.
3242 Update VM requirements during bootstrap.
3243 Remove -oldas bootstrap description.
3244 Update binutils reference.
3245 Remove comparison failure note.
3247 2010-03-31 Richard Guenther <rguenther@suse.de>
3248 Zdenek Dvorak <ook@ucw.cz>
3249 Sebastian Pop <sebastian.pop@amd.com>
3252 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3253 with multiple arguments.
3254 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3256 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3258 * graphite-dependences.c (print_pddr): Call print_pdr with an
3260 * graphite-poly.c (debug_pdr): Add an extra argument for the
3263 (print_pbb_domain): Same.
3265 (print_scop_context): Same.
3267 (print_cloog): Same.
3268 (debug_pbb_domain): Same.
3272 (debug_scop_context): Same.
3274 (debug_cloog): Same.
3275 (print_scop_params): Same.
3276 (debug_scop_params): Same.
3277 (print_iteration_domain): Same.
3278 (print_iteration_domains): Same.
3279 (debug_iteration_domain): Same.
3280 (debug_iteration_domains): Same.
3281 (print_scattering_function): Same.
3282 (print_scattering_functions): Same.
3283 (debug_scattering_function): Same.
3284 (debug_scattering_functions): Same.
3285 * graphite-poly.h (debug_pdr): Update declaration.
3287 (print_pbb_domain): Same.
3289 (print_scop_context): Same.
3291 (print_cloog): Same.
3292 (debug_pbb_domain): Same.
3296 (debug_scop_context): Same.
3298 (debug_cloog): Same.
3299 (print_scop_params): Same.
3300 (debug_scop_params): Same.
3301 (print_iteration_domain): Same.
3302 (print_iteration_domains): Same.
3303 (debug_iteration_domain): Same.
3304 (debug_iteration_domains): Same.
3305 (print_scattering_function): Same.
3306 (print_scattering_functions): Same.
3307 (debug_scattering_function): Same.
3308 (debug_scattering_functions): Same.
3310 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3312 * graphite-poly.c (print_scattering_function_1): New.
3313 (print_scattering_function): Call it.
3314 (print_scop_params): Remove spaces at the end of lines.
3317 * graphite-poly.h (print_cloog): Declared.
3318 (debug_cloog): Declared.
3320 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3322 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3324 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3325 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3326 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3327 to switch between adding the IV bump in loop->latch or in loop->header.
3329 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3331 * graphite-poly.c (print_scattering_function): Pretty print following
3334 (print_pbb_domain): Same.
3335 (dump_gbb_cases): Same.
3336 (dump_gbb_conditions): Same.
3339 (print_scop_params): Same.
3340 (print_scop_context): Same.
3342 (print_pbb_body): New.
3343 (lst_indent_to): New.
3344 (print_lst): Start new lines with a #.
3345 * graphite-poly.h (pbb_bb): New.
3346 (pbb_index): Use pbb_bb.
3347 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3349 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3351 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3353 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3354 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3355 and 0 instead of 1 for dw_val_class_flag.
3356 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3357 dw_val_class_range_list, dw_val_class_loc_list,
3358 dw_val_class_lineptr and dw_val_class_macptr, use
3359 DW_FORM_flag_present for dw_val_class_flag and
3360 DW_FORM_exprloc for dw_val_class_loc.
3361 (output_die): For -gdwarf-4 print dw_val_class_loc
3362 size as uleb128 instead of 1 or 2 bytes and don't print
3363 anything for dw_val_class_flag.
3365 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3366 instead of cselib_lookup following by tweaking locs->setting_insn.
3369 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3370 even before returning from label, setjmp call or volatile asm
3373 2010-03-31 Richard Guenther <rguenther@suse.de>
3376 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3377 temporary data on stack.
3379 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3381 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3382 (PUSHSECTION_ASM_OP): Remove.
3383 (POPSECTION_ASM_OP): Remove.
3384 (PUSHSECTION_FORMAT): Remove.
3385 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3386 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3387 * config/sol2.c (solaris_output_init_fini): Use it.
3389 2010-03-31 Jie Zhang <jie@codesourcery.com>
3392 * opt-functions.awk (var_type_struct): Use signed char type
3393 for simple variables.
3395 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3397 * config/sol2.c: Include output.h.
3398 (solaris_assemble_visibility): New function.
3399 * config/t-sol2 (sol2.o): Add output.h dependency.
3400 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3401 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3404 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3407 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3408 V2SImode or XFmode on PRE_DEC.
3411 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3414 2010-03-31 Jie Zhang <jie@codesourcery.com>
3417 * reload.h (caller_save_initialized_p): Declare.
3418 * toplev.c (backend_init_target): Don't call
3419 init_caller_save but set caller_save_initialized_p to false.
3420 * caller-save.c (caller_save_initialized_p): Define.
3421 (init_caller_save): Check caller_save_initialized_p.
3422 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3424 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3427 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3428 and soft-fp/t-softfp to tmake_file.
3429 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3430 (LIBGCC2_TF_CEXT): Define.
3433 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3436 * cselib.c (n_useless_values): Document handling of debug locs.
3437 (n_useless_debug_values, n_debug_values): New variables.
3438 (new_elt_loc_list): Don't add to debug values, keep count.
3439 (promote_debug_loc): New.
3440 (cselib_reset_table): Zero new variables.
3441 (entry_and_rtx_equal_p): Promote debug locs.
3442 (discard_useless_locs): Increment n_useless_debug_values for
3444 (remove_useless_values): Adjust n_useless_values and n_debug_values
3445 with n_useless_debug_values.
3446 (add_mem_for_addr): Promote debug locs.
3447 (cselib_lookup_mem): Likewise.
3448 (cselib_lookup_addr): Renamed to...
3449 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3450 (cselib_log_lookup): ... this. Turn into...
3451 (cselib_lookup_addr): ... new wrapper.
3452 (cselib_lookup_from_insn): New.
3453 (cselib_invalidate_regno): Increment n_useless_debug_values for
3455 (cselib_invalidate_mem): Likewise.
3456 (cselib_process_insn): Take n_deleted and n_debug_values into
3457 account to guard remove_useless_value call.
3458 (cselib_finish): Zero n_useless_debug_values.
3459 * cselib.h (cselib_lookup_from_insn): Declare.
3460 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3461 (sched_analyze_2): Likewise.
3463 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3465 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3467 (adjust_mems): Replace narrowing SUBREG of expression containing
3468 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3469 with operations in the narrower mode.
3472 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3473 regs_invalidated_by_call instead all call_used_reg_set registers.
3475 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3478 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3479 pointer comparisons with types_compatible_p.
3480 * tree-vect-stmts.c (vectorizable_call): Same.
3481 (vectorizable_condition): Same.
3483 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3485 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3486 stack check if the mask would be zero.
3488 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3489 Jack Howarth <howarth@bromo.med.uc.edu>
3491 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3494 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3497 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3499 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3500 Include ___unordxf2 and ___unordtf2.
3501 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3504 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3506 * config/lm32/t-lm32: New file.
3507 * config.gcc: Use the above file when targetting lm32.
3509 2010-03-28 Duncan Sands <baldrick@free.fr>
3511 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3513 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3516 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3517 Improve vectorization cost model diagnostic.
3519 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3522 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3523 compute_data_dependences_for_loop returns false, early exit
3524 and output an extra diagnostic for the failed data reference
3527 2010-03-29 Richard Guenther <rguenther@suse.de>
3529 PR tree-optimization/43560
3530 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3531 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3533 2010-03-29 Jie Zhang <jie@codesourcery.com>
3536 * toplev.c (process_options): Set optimization_default_node
3537 and optimization_current_node.
3538 * opts.c (decode_options): Don't set optimization_default_node
3539 and optimization_current_node.
3541 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3543 * config/rtems.h: Abandon -qrtems_debug.
3545 2010-03-28 Jan Hubicka <jh@suse.cz>
3547 PR tree-optimization/43505
3548 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3549 map should not be copied.
3551 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3554 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3555 cdtors, set DECL_PRESERVE_P.
3556 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3559 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3561 PR tree-optimization/43528
3562 * stor-layout.c (place_field): Check that constant fits into
3563 unsigned HWI when skipping calculation of MS bitfield layout.
3565 2010-03-27 Jan Hubicka <jh@suse.cz>
3568 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3569 notice_global_symbol work.
3571 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3573 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3574 instead of dwarf2out_decl.
3575 (struct var_loc_node): Remove section_label field.
3576 (dwarf2out_function_decl): New function.
3577 (dwarf2out_var_location): Don't set section_label field.
3578 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3580 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3582 PR tree-optimization/43544
3583 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3584 First argument for builtin vectorized function hook is now a
3585 tree to be able to distinguish between machine specific and
3587 * targhooks.c (default_builtin_vectorized_function): Ditto.
3588 * targhooks.h (default_builtin_vectorized_function): Ditto.
3589 * target.h (struct gcc_target): Ditto.
3590 * tree-vect-stmts.c (vectorizable_function): Ditto.
3591 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3592 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3595 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3598 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3599 nested binding iff it is a FUNCTION_DECL.
3600 (store_parm_decls_newstyle): Pass nested=true to bind for
3601 FUNCTION_DECLs amongst parameters.
3603 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3605 * var-tracking.c (vt_expand_loc_callback): Don't run
3606 cselib_expand_value_rtx_cb in dummy mode if
3607 cselib_dummy_expand_value_rtx_cb returned false.
3609 * var-tracking.c (emit_note_insn_var_location): For one part
3610 notes with offset 0, don't add EXPR_LIST around the location.
3611 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3612 add_location_or_const_value_attribute): Adjust for that change.
3615 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3616 into first operand and location into second.
3617 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3618 dw_cfi_oprnd_loc for DW_CFA_expression.
3619 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3620 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3621 assume first argument is regnum and second argument is location.
3623 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3626 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3627 of scratch register to DImode. Split to DImode comparison operator.
3628 Use SImode subreg of scratch register in the multiplication.
3629 (*cmp_sadd_sidi): Ditto.
3630 (*cmp_ssub_si): Ditto.
3631 (*cmp_ssub_sidi): Ditto.
3633 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3636 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3637 Remove invalid assert and wrong comment.
3639 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3642 * flags.h (final_insns_dump_p): New extern.
3643 * final.c (final_insns_dump_p): New variable.
3644 (rest_of_clean_state): Set it before -fdump-final-insns=
3645 dumping, clear afterwards.
3646 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3647 MEM_ALIAS_SET on MEMs.
3649 2010-03-26 David S. Miller <davem@davemloft.net>
3651 * configure.ac: Fix sparc GOTDATA_OP bug check.
3652 * configure: Rebuild.
3654 2010-03-26 Alan Modra <amodra@gmail.com>
3656 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3658 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3660 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3661 TLS_SECTION_ASM_FLAG.
3663 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3666 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3667 Clear first_function_block_is_cold.
3670 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3671 argument if the argument is truth_value_p.
3673 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3675 * config/rs6000/constraints.md: Update copyright year for my changes.
3678 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3679 used in reg+reg addressing, swap registers.
3681 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3684 * target.h (struct gcc_target): Add code_end hook.
3685 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3687 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3688 * toplev.c (compile_file): Call targetm.asm_out.code_end
3689 hook before unwind info/debug info output.
3690 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3691 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3692 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3693 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3694 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3695 * config/i386/i386.c (ix86_file_end): Renamed to...
3696 (ix86_code_end): ... this. Make static. Don't call
3697 file_end_indicate_exec_stack. Emit unwind info using
3698 final_start_function/final_end_function.
3699 (darwin_x86_file_end): Remove.
3700 (TARGET_ASM_CODE_END): Define.
3701 * config/i386/i386.h (TARGET_ASM_FILE_END,
3702 NEED_INDICATE_EXEC_STACK): Don't define.
3703 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3704 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3705 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3706 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3709 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3710 at the beginning and final_end_function at the end.
3711 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3713 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3715 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3716 and Sun as TLS syntax.
3717 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3718 * configure: Regenerate.
3719 * config.in: Regenerate.
3720 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3721 (default_elf_asm_named_section): Use it.
3722 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3723 (i386_output_dwarf_dtprel): Likewise.
3724 (output_addr_const_extra): Likewise.
3725 (output_pic_addr_const): Lowercase @GOTTPOFF.
3726 (output_addr_const_extra): Likewise.
3727 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3728 (output_addr_const_extra): Likewise.
3729 (output_pic_addr_const): Lowercase @INDNTPOFF.
3730 (output_addr_const_extra): Likewise.
3731 (output_pic_addr_const): Lowercase @NTPOFF.
3732 (output_addr_const_extra): Likewise.
3733 (output_pic_addr_const): Lowercase @TPOFF.
3734 (output_addr_const_extra): Likewise.
3735 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3736 (*tls_global_dynamic_64): Likewise.
3737 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3738 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3740 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3741 (ASM_OUTPUT_TLS_COMMON): Use it.
3742 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3745 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3746 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3747 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3748 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3749 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3750 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3752 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3754 * config/i386/i386.c (override_options): Don't accept
3755 -mtls-dialect=sun any longer.
3756 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3757 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3758 (*tls_local_dynamic_base_32_sun): Likewise.
3759 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3761 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3764 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3765 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3768 * ira.c (adjust_cleared_regs): New function.
3769 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3773 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3775 * expr.c (expand_expr_real): Restore previous
3776 curr_insn_source_location and curr_insn_block after
3777 expand_expr_real_1 call.
3778 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3779 instead of expand_expr_real_1.
3781 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3783 PR rtl-optimization/43413
3784 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3787 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3790 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3791 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3793 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3795 * config/i386/i386.c (ix86_target_string): Add -mfma.
3796 Fix a typo in comment.
3798 2010-03-22 Mike Stump <mikestump@comcast.net>
3801 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3802 Don't overly align based upon packed packed fields.
3804 2010-03-22 Jason Merrill <jason@redhat.com>
3806 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3807 Use () rather than [], and move before the element type.
3809 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3811 * doc/configfiles.texi (Configuration Files): Removed
3812 fixinc/Makefile*, intl/Makefile.*.
3813 * doc/makefile.texi: Fixed markup. Abstract from version
3814 control system used.
3815 (Makefile): Removed obsolete gcc/java/parse.y example.
3816 * doc/sourcebuild.texi: Likewise.
3817 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3818 libgomp, libssp. Removed fastjar.
3819 (Miscellaneous Docs): Clarify location.
3820 Added COPYING3, COPYING3.LIB.
3821 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3823 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3826 * config/i386/i386.c (x86_function_profiler)
3827 [!NO_PROFILE_COUNTERS]: Fix typo.
3828 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3831 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3832 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3834 * doc/sourcebuild.texi (Test Directives): Split into six
3835 subsections, with most of the current text in new subsections
3836 Directives, Selectors, and Final Actions.
3837 (Directives): Split list of test directives into multiple
3839 (Selectors): Describe use and syntax of selectors.
3840 (Effective-Target Keywords): Describe all existing keywords.
3841 (Add Options): Describe features for dg-add-options.
3842 (Require Support): Describe variants of dg-require-support.
3843 (Final Actions): Describe commands to use in dg-final.
3845 2010-03-22 Michael Matz <matz@suse.de>
3848 * recog.c (validate_replace_rtx_group): Replace also in
3849 REG_EQUAL and REG_EQUIV notes.
3851 2010-03-22 Richard Guenther <rguenther@suse.de>
3853 PR tree-optimization/43390
3854 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3855 sure vector extracts are type correct.
3857 2010-03-22 Richard Guenther <rguenther@suse.de>
3860 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3861 x * sqrt (x) even when optimizing for size if the target
3862 has native support for sqrt.
3864 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3866 * varasm.c (make_decl_rtl_for_debug): Also clear
3867 flag_mudflap for the duration of make_decl_rtl call.
3870 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3871 locs from preserved VALUEs.
3873 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3876 * pa.md (movmemsi): Set align to one if zero.
3877 (movmemdi): Likewise.
3879 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3882 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3883 with their corresponding prologue pushes.
3885 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3888 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3889 at the begining or end.
3890 (spu_expand_epilogue): Likewise.
3892 2010-03-20 Richard Guenther <rguenther@suse.de>
3894 PR rtl-optimization/43438
3895 * combine.c (make_extraction): Properly zero-/sign-extend an
3896 extraction of the low part of a CONST_INT. Also handle
3899 2010-03-19 Mike Stump <mikestump@comcast.net>
3901 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3902 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3903 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3905 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3908 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3911 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3913 PR rtl-optimization/42258
3914 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3915 use that may match DEF.
3918 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3919 the cost of loading the constant rather than assuming
3921 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3922 outer code is AND, do the same tests as the andsi3 expander and
3923 return COSTS_N_INSNS (1) if and is cheap.
3925 * optabs.c (avoid_expensive_constant): Fix formatting.
3927 2010-03-19 Michael Matz <matz@suse.de>
3930 * attribs.c (decl_attributes): When rebuilding a function pointer
3931 type use the same qualifiers as the original pointer type.
3933 2010-03-19 Martin Jambor <mjambor@suse.cz>
3935 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3936 and is_gimple_ip_invariant_address.
3938 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3941 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3943 * config/arm/arm.c (arm_override_options): Turn off
3944 flag_dwarf2_cfi_asm for AAPCS variants.
3946 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3949 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3950 Use PRE_MODIFY instead of PRE_DEC.
3951 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3952 (vfp_emit_fstmd): Likewise.
3954 2010-03-19 Michael Matz <matz@suse.de>
3957 * builtins.c (expand_builtin_interclass_mathfn,
3958 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3961 2010-03-19 Richard Guenther <rguenther@suse.de>
3963 PR tree-optimization/43415
3964 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3965 (phi_translate_1): ... this.
3966 (phi_translate): Move all caching here. Cache all NARY
3967 and REFERENCE translations.
3969 2010-03-19 David S. Miller <davem@davemloft.net>
3971 With help from Eric Botcazou.
3972 * config/sparc/sparc.c: Include dwarf2out.h.
3973 (emit_pic_helper): Delete.
3974 (pic_helper_symbol_name): Delete.
3975 (pic_helper_emitted_p): Delete.
3976 (pic_helper_needed): New.
3977 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3978 (get_pc_thunk_name): New.
3979 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3980 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3981 Set pic_helper_needed to true. Don't call emit_pic_helper.
3982 (sparc_expand_prologue): Update load_pic_register call.
3983 (sparc_output_mi_thunk): Likewise.
3984 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3985 thunk if possible. Output CFI information as needed.
3987 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3988 Jack Howarth <howarth@bromo.med.uc.edu>
3991 * config/i386/i386.h: Fix ABI on darwin x86-32.
3993 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3995 * tree.h: Declare make_decl_rtl_for_debug.
3996 * varasm.c (make_decl_rtl_for_debug): New.
3997 * dwarf2out.c (rtl_for_decl_location): Call it.
3998 * cfgexpand.c (expand_debug_expr): Call it.
4000 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4003 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4007 * var-tracking.c (vt_init_cfa_base): Do nothing if
4008 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4010 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4013 * var-tracking.c (canonicalize_vars_star): New.
4014 (dataflow_post_merge_adjust): Use it.
4016 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4019 * var-tracking.c (non_suitable_const): New function.
4020 (add_uses): For DEBUG_INSNs with constants, don't record any
4021 value, instead just the constant value itself.
4022 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4023 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4024 (emit_notes_in_bb): Likewise.
4025 (emit_note_insn_var_location): For onepart variables if
4026 cur_loc is a VOIDmode constant, use DECL_MODE.
4028 2010-03-18 Martin Jambor <mjambor@suse.cz>
4031 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4032 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4033 all non-clones. Moved call redirection...
4034 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4035 (cgraph_materialize_all_clones): Dispose of all
4036 combined_args_to_skip bitmaps.
4037 (verify_cgraph_node): Do not check for edges pointing to wrong
4038 nodes in inline clones.
4039 * tree-inline.c (copy_bb): Call
4040 cgraph_redirect_edge_call_stmt_to_callee.
4041 * ipa.c (cgraph_remove_unreachable_nodes): Call
4042 cgraph_node_remove_callees even when there are used clones.
4044 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4046 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4048 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4051 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4054 2010-03-18 Michael Matz <matz@suse.de>
4057 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4058 into sqrt(x) if we need to preserve signed zeros.
4060 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4061 Eric Botcazou <ebotcazou@adacore.com>
4063 PR rtl-optimization/43360
4064 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4065 note if we don't know its invariant status.
4067 2010-03-18 Michael Matz <matz@suse.de>
4069 PR tree-optimization/43402
4070 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4071 PHI chains of ssa names registered for update.
4073 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4076 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4077 non-offsettable and pre_modify update addressing.
4078 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4079 and "2" alternatives "#".
4080 (*movdd_softfloat32): Make all alternatives "#";
4081 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4082 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4083 (*movdf_softfloat32): Make all alternatives "#";
4084 (movdi): Use the new DIFD mode iterator to create a common splitter
4085 for movdi, movdf and movdd patterns.
4087 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4089 * common.opt (dumpdir): Remove redundant tab.
4091 2010-03-17 Martin Jambor <mjambor@suse.cz>
4093 PR tree-optimization/43347
4094 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4095 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4097 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4099 PR rtl-optimization/42216
4100 * regrename.c (create_new_chain): New function, broken out from...
4101 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4102 appending a use to an empty chain.
4103 (build_def_use): Remove previous changes that convert OP_INOUT to
4104 OP_OUT operands; instead detect the case where an OP_INOUT operand
4105 uses a previously untracked register and create an empty chain for it.
4107 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4109 * doc/extend.texi (Function Attributes): Rewrite unfinished
4110 sentence in ms_abi documentation.
4112 2010-03-17 Alan Modra <amodra@gmail.com>
4114 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4115 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4116 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4117 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4119 2010-03-16 Richard Henderson <rth@redhat.com>
4122 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4123 (lower_try_finally): Save and restore eh_seq around the expansion
4126 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4128 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4129 statements before splitting block.
4131 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4133 * doc/sourcebuild.texi (Testsuites): Fix markup.
4134 Use pathnames relative to gcc/testsuite.
4135 (Test Directives): Move description of how timeout is determined.
4136 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4137 (C Tests): Correct gcc.misc-tests directory.
4138 Framework tests now live in gcc.test-framework.
4140 2010-03-16 Richard Guenther <rguenther@suse.de>
4143 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4144 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4146 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4147 Alexandre Oliva <aoliva@redhat.com>
4149 PR tree-optimization/42917
4150 * lambda-code.c (remove_iv): Skip debug statements.
4151 (lambda_loopnest_to_gcc_loopnest): Likewise.
4152 (not_interesting_stmt): Debug statements are not interesting.
4154 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4158 * cselib.c (cselib_preserve_constants,
4159 cfa_base_preserved_val): New static variables.
4160 (preserve_only_constants): New function.
4161 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4162 clear its REG_VALUES. If cselib_preserve_constants, don't
4163 empty the whole hash table, but preserve there VALUEs with constants,
4164 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4165 (cselib_preserve_cfa_base_value): New function.
4166 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4167 (cselib_init): Change argument to int bitfield. Set
4168 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4170 (cselib_finish): Clear cselib_preserve_constants and
4171 cfa_base_preserved_val.
4172 * cselib.h (enum cselib_record_what): New enum.
4173 (cselib_init): Change argument to int.
4174 (cselib_preserve_cfa_base_value): New prototype.
4175 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4176 * dse.c (dse_step1): Likewise.
4177 * cfgcleanup.c (thread_jump): Likewise.
4178 * sched-deps.c (sched_analyze): Likewise.
4179 * gcse.c (local_cprop_pass): Likewise.
4180 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4181 If FN is non-NULL, call the callback always and whenever it returns
4182 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4183 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4184 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4185 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4186 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4187 * var-tracking.c: Include recog.h.
4188 (bb_stack_adjust_offset): Remove.
4189 (vt_stack_adjustments): Don't call it, instead just gather the
4190 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4191 (adjust_stack_reference): Remove.
4192 (compute_cfa_pointer): New function.
4193 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4194 (struct adjust_mem_data): New type.
4195 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4197 (get_address_mode): New function.
4198 (replace_expr_with_values): Use it.
4199 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4200 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4201 (adjust_sets): Remove.
4202 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4203 Use get_address_mode.
4204 (get_adjusted_src): Remove.
4205 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4206 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4207 (add_with_sets): Don't call adjust_sets.
4208 (fp_setter, vt_init_cfa_base): New functions.
4209 (vt_initialize): Change return type to bool. Move most of pool etc.
4210 initialization to the beginning of the function from end. Pass
4211 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4212 If !frame_pointer_needed, call vt_stack_adjustment before mos
4213 vector is filled, call vt_init_cfa_base if argp/framep has been
4214 eliminated to sp. If frame_pointer_needed and argp/framep has
4215 been eliminated to hard frame pointer, set
4216 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4217 encountering fp setter in the prologue. For MO_ADJUST, call
4218 log_op_type before pusing the op into mos vector, not afterwards.
4219 Call adjust_insn before cselib_process_insn/add_with_sets,
4220 call cancel_changes (0) afterwards.
4221 (variable_tracking_main_1): Adjust for vt_initialize calling
4222 vt_stack_adjustments and returning whether it succeeded or not.
4224 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4226 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4229 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4231 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4233 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4234 drap_reg has not been set.
4236 2010-03-15 Michael Matz <matz@suse.de>
4239 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4240 use it to expand block copies.
4241 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4242 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4243 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4245 2010-03-15 Richard Guenther <rguenther@suse.de>
4247 PR tree-optimization/43367
4248 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4251 2010-03-15 Richard Guenther <rguenther@suse.de>
4253 PR tree-optimization/43317
4254 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4256 2010-03-15 Martin Jambor <mjambor@suse.cz>
4258 PR tree-optimization/43141
4259 * tree-sra.c (create_abstract_origin): New function.
4260 (modify_function): Call create_abstract_origin.
4262 2010-03-15 Chris Demetriou <cgd@google.com>
4264 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4267 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4270 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4271 call insert_out_of_ssa_copy for default definitions.
4273 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4275 * graphite-clast-to-gimple.c (my_long_long): Defined.
4276 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4277 * graphite-sese-to-poly.c (my_long_long): Defined.
4278 (scop_ivs_can_be_represented): Use it.
4280 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4282 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4283 graphite-max-bbs-per-function, and loop-block-tile-size.
4284 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4286 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4288 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4290 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4291 forward declaration.
4292 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4293 (add_upper_bounds_from_estimated_nit): New.
4294 (build_loop_iteration_domains): Use it.
4296 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4298 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4300 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4303 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4304 should be an INTEGER_CST. Also handle CASE_CONVERT.
4306 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4308 * graphite.c (graphite_initialize): To bound the number of bbs per
4309 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4310 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4311 * doc/invoke.texi: Document it.
4313 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4315 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4316 * graphite-sese-to-poly.h (build_poly_scop): Same.
4318 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4320 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4321 the number of parameters in the scop. Use as an upper bound
4322 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4323 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4324 * doc/invoke.texi: Document it.
4326 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4328 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4329 * doc/c-tree.texi: Remove.
4330 * doc/generic.texi: Merge c-tree.texi here.
4331 * doc/gccint.texi (Trees): Remove menu entry.
4332 (c-tree.texi): Remove @include.
4333 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4334 * doc/languages.texi (Reading RTL): Ditto.
4336 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4339 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4341 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4344 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4345 code added to work around reload clobbering CONST insns.
4347 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4349 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4350 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4351 (cselib_preserve_only_values): Remove retain argument, don't
4352 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4353 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4354 * var-tracking.c (micro_operation): Move insn field before union.
4355 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4356 (struct variable_tracking_info_def): Remove n_mos field, change
4357 mos into a vector of micro_operations.
4358 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4359 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4360 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4361 changing into a vector.
4362 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4363 come before all other uops generated by add_stores.
4364 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4366 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4367 a vector. Run just one pass over the bbs instead of separate counting
4368 and computation phase.
4369 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4372 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4373 into *nonlocalized_list vector.
4374 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4375 even if origin is non-NULL.
4376 (gen_variable_die): Likewise.
4377 (process_scope_var): Don't change origin.
4378 (gen_decl_die): Likewise.
4379 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4380 before adding new edges instead of after it, fix moving over
4383 2010-03-11 David S. Miller <davem@davemloft.net>
4385 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4387 * configure: Rebuild.
4389 2010-03-11 Martin Jambor <mjambor@suse.cz>
4391 PR tree-optimization/43257
4392 * tree.c (assign_assembler_name_if_neeeded): New function.
4393 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4395 * tree.h (assign_assembler_name_if_neeeded): Declare.
4396 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4397 the function if needed.
4399 2010-03-11 Chris Demetriou <cgd@google.com>
4401 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4402 include/stdint-gcc.h, and include/stdint.h world-readable.
4404 2010-03-11 Richard Guenther <rguenther@suse.de>
4406 PR tree-optimization/43255
4407 * tree-vrp.c (process_assert_insertions_for): Do not insert
4408 asserts for trivial conditions.
4410 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4412 PR tree-optimization/43280
4413 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4414 generation. Move calculation of size out of the if branch.
4415 (find_bswap): Modify compare number generation.
4417 2010-03-11 Richard Guenther <rguenther@suse.de>
4420 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4421 (input_gimple_stmt): Fixup handled component types during
4422 operand read. Also fix up decls in ADDR_EXPRs.
4424 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4426 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4427 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4429 2010-03-10 Jan Hubicka <jh@suse.cz>
4432 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4433 * varasm.c (get_variable_section): Don't do that here...
4434 (make_decl_rtl): ... and here.
4435 (do_assemble_alias): Produce decl RTL.
4436 (assemble_alias): Likewise.
4438 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4441 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4442 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4444 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4445 (based_loc_descr): Only express drap or vdrap regno based expressions
4446 using DW_OP_fbreg when not optimizing.
4447 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4448 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4449 REG_CFA_SET_VDRAP note.
4451 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4453 PR tree-optimization/43236
4454 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4455 error in calculation of base address in reverse iteration case.
4456 (generate_builtin): Take number of latch executions if the statement
4459 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4462 * tree-eh.c: Include pointer-set.h.
4463 (lower_eh_dispatch): Filter out duplicate case labels and
4464 remove the unneeded edge when the label is unused. Return
4465 true when some edges are removed.
4466 (execute_lower_eh_dispatch): When any lowering resulted in
4467 removing an edge, also delete unreachable blocks.
4469 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4472 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4473 UNSPEC_MACHOPIC_OFFSET.
4475 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4478 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4479 (m68k_delegitimize_address): New function.
4481 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4484 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4487 * var-tracking.c (adjust_sets): New function.
4488 (count_with_sets, add_with_sets): Use it.
4489 (get_adjusted_src): New inline function.
4490 (add_stores): Use it.
4493 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4494 call cselib_dummy_expand_value_rtx_cb instead of
4495 cselib_expand_value_rtx_cb.
4498 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4499 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4500 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4501 and .cfi_endproc around the pic thunks.
4502 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4503 all queued unwind info register saves are saved before the call.
4504 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4505 considered as sp-=4 for unwind info and the pop as sp+=4 which
4506 also clobbers dest, but doesn't actually restore it.
4509 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4510 RTX_FRAME_RELATED_P.
4512 2010-03-09 Jie Zhang <jie@codesourcery.com>
4514 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4515 whitespaces in output template.
4517 2010-03-09 Jie Zhang <jie@codesourcery.com>
4519 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4522 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4524 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4525 builtins.exp in a separate job.
4527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4529 * graphite-sese-to-poly.c (add_param_constraints): Use
4530 lower_bound_in_type and upper_bound_in_type.
4532 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4534 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4535 instead of unsigned_type_node.
4537 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4538 Reza Yazdani <reza.yazdani@amd.com>
4541 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4542 on pointer type parameters.
4544 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4548 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4549 handle conversions from pointer to integers.
4550 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4551 induction variable, to be able to work with code generated by CLooG.
4552 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4553 (build_poly_scop): Bail out if we cannot codegen a loop.
4555 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4557 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4558 code generation with gloog_error.
4560 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4562 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4563 Call fold_convert on all the returned values.
4564 (expand_scalar_variables_expr): Pass to
4565 expand_scalar_variables_ssa_name the type of the resulting expression.
4567 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4569 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4570 ppl_min_for_le_pointset.
4571 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4572 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4574 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4576 * graphite-dependences.c (map_into_dep_poly): Removed.
4577 (dependence_polyhedron_1): Use combine_context_id_scat.
4579 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4581 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4582 (struct poly_bb): Same.
4583 (combine_context_id_scat): New.
4585 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4588 * sese.c (name_defined_in_loop_p): Return false for default
4591 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4593 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4594 and clean up the logic.
4596 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4598 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4601 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4603 * var-tracking.c (remove_cselib_value_chains): Define only for
4605 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4606 delete_slot_part, emit_notes_for_differences_1): Don't call
4607 remove_cselib_value_chains here.
4608 (set_slot_part, emit_notes_for_differences_2): Don't call
4609 add_cselib_value_chains here.
4610 (preserved_values): New vector.
4611 (preserve_value): New function.
4612 (add_uses, add_stores, vt_add_function_parameters): Use it
4613 instead of cselib_preserve_value.
4614 (changed_values_stack): New vector.
4615 (check_changed_vars_0): New function.
4616 (check_changed_vars_1, check_changed_vars_2): Use it.
4617 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4618 changed_values_stack VALUEs.
4619 (vt_emit_notes): For all preserved_values call
4620 add_cselib_value_chains. If ENABLE_CHECKING call
4621 remove_cselib_value_chains before verifying value_chains is empty.
4622 Initialize and free changed_values_stack.
4623 (vt_initialize): Initialize preserved_values.
4624 (vt_finalize): Free preserved_values.
4626 2010-03-08 Richard Guenther <rguenther@suse.de>
4628 PR tree-optimization/43269
4629 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4632 2010-03-08 Martin Jambor <mjambor@suse.cz>
4634 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4635 (ipa_is_param_called): Removed.
4636 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4637 (ipa_print_node_params): Do not print the called flag.
4638 (ipa_write_node_info): Do not stream the called flag.
4639 (ipa_read_node_info): Likewise.
4641 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4644 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4645 * cselib.c (struct expand_value_data): Add dummy field.
4646 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4648 (cselib_dummy_expand_value_rtx_cb): New function.
4649 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4651 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4652 * var-tracking.c: Include pointer-set.h.
4653 (variable): Change n_var_parts to char from int. Add
4654 cur_loc_changed and in_changed_variables fields.
4655 (variable_canonicalize): Remove.
4656 (shared_var_p): New inline function.
4657 (unshare_variable): Maintain cur_loc_changed and
4658 in_changed_variables fields. If var was in changed_variables,
4659 replace it there with new_var. Just copy cur_loc instead of
4660 resetting it to something else.
4661 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4662 (dataflow_set_union): Don't call variable_canonicalize.
4663 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4664 of their DEBUG_EXPR_TREE_DECLs.
4665 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4666 and in_changed_variables and cur_loc_changed is false.
4667 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4668 and cur_loc_changed. Don't update cur_loc here.
4669 (variable_merge_over_src): Don't call variable_canonicalize.
4670 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4671 removing loc that is equal to cur_loc, clear cur_loc,
4672 set cur_loc_changed and ensure variable_was_changed is called.
4673 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4674 compare pointers in cur_loc check, if it is equal to loc,
4675 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4676 (variable_different_p): Remove compare_current_location argument,
4677 don't compare cur_loc.
4678 (dataflow_set_different_1): Adjust variable_different_p caller.
4679 (variable_was_changed): If dv had some var in changed_variables
4680 already, reset in_changed_variables flag for it and propagate
4681 cur_loc_changed over to the new variable. On empty var
4682 always set cur_loc_changed. Set in_changed_variables on whatever
4683 var is added to changed_variables.
4684 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4685 Use shared_var_p. When removing loc that is equal to cur_loc,
4686 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4687 end, don't set it to something else, just call variable_was_changed.
4688 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4689 loc being removed, clear cur_loc and set cur_loc_changed.
4690 Set cur_loc_changed if all locations have been removed.
4691 (struct expand_loc_callback_data): New type.
4692 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4693 allocated. Always create SUBREGs if simplify_subreg failed.
4694 Prefer to use cur_loc, when that fails and still in
4695 changed_variables (and seen first time) recompute it. Set
4696 cur_loc_changed of variables which had to change cur_loc and
4697 compute elcd->cur_loc_changed if any of the subexpressions used
4698 had to change cur_loc.
4699 (vt_expand_loc): Adjust to pass arguments in
4700 expand_loc_callback_data structure.
4701 (vt_expand_loc_dummy): New function.
4702 (emitted_notes): New variable.
4703 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4704 that weren't used for any other decl in current
4705 emit_notes_for_changes call call vt_expand_loc_dummy to update
4706 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4707 first loc_chain location if NULL before. Always use just
4708 cur_loc instead of first loc_chain location. When cur_loc_changed
4709 is false, when not --enable-checking=rtl just don't emit any note.
4710 When rtl checking, compute the note and assert it is the same
4711 as previous note. Clear cur_loc_changed and in_changed_variables
4712 at the end before removing from changed_variables.
4713 (check_changed_vars_3): New function.
4714 (emit_notes_for_changes): Traverse changed_vars to call
4715 check_changed_vars_3 on each changed var.
4716 (emit_notes_for_differences_1): Clear cur_loc_changed and
4717 in_changed_variables. Recompute cur_loc of new_var.
4718 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4719 (vt_emit_notes): Initialize and destroy emitted_notes.
4721 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4723 PR rtl-optimization/42220
4724 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4725 Use verify_reg_tracked to determine if we should use OP_OUT rather
4727 (build_def_use): If we see an in-out operand for a register that we
4728 know nothing about, treat is an output if possible, fail the block if
4731 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4734 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4737 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4740 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4741 uses of relevant DEFs that are dead outside the loop too.
4743 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4745 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4747 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4749 * var-tracking.c (values_to_unmark): New variable.
4750 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4751 values_to_unmark vector. Moved body to...
4752 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4753 instead queue it into values_to_unmark vector.
4754 (vt_find_locations): Free values_to_unmark vector.
4756 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4758 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4759 (site.exp): Export them when plugins are enabled.
4761 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4764 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4766 (chrec_fold_multiply): Same.
4768 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4771 * c-decl.c (build_compound_literal): Return early if init is
4774 2010-03-04 Martin Jambor <mjambor@suse.cz>
4776 PR tree-optimization/43164
4777 PR tree-optimization/43191
4778 * tree-sra.c (type_consists_of_records_p): Reject records with
4779 zero-size bit-fields at the end.
4781 2010-03-04 Mike Stump <mikestump@comcast.net>
4783 * Makefile.in (TAGS): Remove *.y.
4785 2010-03-04 Richard Guenther <rguenther@suse.de>
4787 PR tree-optimization/40761
4788 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4790 (my_rev_post_order_compute): New function.
4791 (init_pre): Call it.
4793 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4796 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4797 decrease the cost of an IV candidate when the cost is infinite.
4799 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4801 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4802 Use '3DNow!' for the extension of that name, ensure normal space
4804 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4806 2010-03-03 Jeff Law <law@redhat.com>
4808 * PR middle-end/32693
4809 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4810 than gen_rtx_SUBREG.
4811 (extract_bit_field_1): Likewise.
4813 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4815 * doc/sourcebuild.texi (Test directives): Document that arguments
4816 include-opts and exclude-opts are now optional for dg-skip-if,
4817 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4819 2010-03-03 Jason Merrill <jason@redhat.com>
4822 * cgraph.h (varpool_node): Add extra_name field.
4823 * varpool.c (varpool_extra_name_alias): New.
4824 (varpool_assemble_decl): Emit extra name aliases.
4825 (varpool_mark_needed_node): Look past an extra name alias.
4826 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4827 * lto-streamer-in.c (lto_input_tree): Read it.
4828 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4830 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4832 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4833 (sparc*-*-solaris2*): ...this.
4835 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4838 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4839 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4840 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4841 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4844 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4845 fallthrough to default handling, just with want_address 0 instead of 2.
4846 For single element lists, add_AT_loc directly, otherwise create an
4847 artificial variable DIE and stick location list to it.
4850 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4851 (VAL_EXPR_HAS_REVERSE): Define.
4852 (reverse_op): New function.
4853 (add_stores): For reversible operations add an extra MO_VAL_USE.
4855 2010-03-02 Jason Merrill <jason@redhat.com>
4857 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4859 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4861 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4862 (sparc64-*-linux*): Likewise.
4863 (sparc64-*-solaris2*): Include assembler files before linker ones.
4864 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4865 * config/sparc/gas.h: Delete.
4866 * config/sparc/sol2-64.h: Add copyright notice.
4867 * config/sparc/sol2-gas-bi.h: Likewise.
4868 * config/sparc/sol2-gld.h: Likewise.
4869 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4870 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4871 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4872 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4873 (sparc_elf_asm_named_section): Rename into...
4874 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4876 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4878 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4880 2010-03-02 Jeff Law <law@redhat.com>
4883 * reload1.c (rtx_p, substitute_stack): Declare.
4884 (substitute): Record addresses of changed rtxs.
4885 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4886 Restore the original rtx when complete.
4887 (reload): Free subsitute_stack when complete.
4889 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4891 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4892 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4894 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4895 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4896 Torture Tests): Change from subsection to section.
4898 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4899 Steven Bosscher <steven@gcc.gnu.org>
4901 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4904 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4907 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4908 the assignment from the new induction variable to the assignment
4909 of the value from the original loop PHI function.
4911 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4912 Daniel Jacobowitz <dan@codesourcery.com>
4914 * doc/sourcebuild.texi (Test directives): Clarify options to
4917 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4919 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4920 Disable cfi directives unless GCC and gas agree on using read-only
4921 .eh_frame sections for 64-bit.
4922 * configure: Regenerate.
4924 2010-03-01 Richard Guenther <rguenther@suse.de>
4926 PR tree-optimization/43220
4927 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4928 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4930 2010-03-01 Richard Guenther <rguenther@suse.de>
4931 Martin Jambor <mjambor@suse.cz>
4934 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4935 gimplified parameters.
4937 2010-03-01 Christian Bruel <christian.bruel@st.com>
4939 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4941 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4943 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4945 2010-03-01 Richard Guenther <rguenther@suse.de>
4948 * expr.c (expand_assignment): Use the alias-oracle to tell
4949 if the rhs aliases the result decl.
4951 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4954 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4955 to sol_gt_pch_get_address.
4956 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4957 64-bit, SPARC and x86.
4958 (sol_gt_pch_get_address): New function.
4960 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4962 * toplev.h (inform_n, error_n): Declare.
4963 * diagnostic.c (inform_n, error_n): New function.
4965 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4967 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4968 has no rtl yet when processing local_decls, queue it and recheck
4969 if deferred stack allocation hasn't assigned it rtl.
4971 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4973 * config/sh/sh.c (unspec_bbr_uid): New.
4974 (gen_block_redirect): Use it instead of INSN_UID.
4975 (gen_far_branch): Likewise.
4977 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4979 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4980 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4982 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4984 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4985 (Warning Options): -Wno-conversion-null is valid for
4986 Objective-C++ as well.
4987 * doc/tm.texi (Named Address Spaces): Likewise.
4988 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4989 * doc/tree-ssa.texi (Tree SSA): Likewise.
4991 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4994 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4995 by default. Don't set the default arch for
4996 i[34567]86-*-darwin*|x86_64-*-darwin*.
4998 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5001 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5002 default. Set the default 32bit/64bit archs with $with_arch
5003 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5005 2010-02-27 Richard Guenther <rguenther@suse.de>
5007 PR tree-optimization/43186
5008 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5009 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5010 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5011 unroller iterations.
5013 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5015 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5016 required and i[34567]86-*-* targets don't support 64bit ISA.
5018 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5021 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5024 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5026 * config.gcc: Set the default arch at least to Prescott for
5027 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5028 if SSE math is enabled.
5030 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5032 * diagnostic.c (diagnostic_initialize): Update.
5033 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5035 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5036 (diagnostic_inhibit_notes): New.
5037 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5039 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5042 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5043 * doc/standards.texi: Likewise.
5044 * doc/extend.texi: Likewise.
5045 * doc/trouble.texi: Likewise.
5046 * doc/cppopts.texi: Likewise.
5047 * doc/install.texi: Likewise.
5048 * c.opt (std=c90,std=gnu90): New options.
5049 * c-opts.c (c_common_handle_option): Handle them.
5051 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5054 * c-decl.c (undeclared_variable): Use an informative note.
5056 2010-02-26 Richard Guenther <rguenther@suse.de>
5058 PR tree-optimization/43186
5059 * gimple.h (gimple_fold): Remove.
5060 * gimple.c (gimple_fold): Remove. Inline into single user ...
5061 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5062 Try harder for conditions.
5064 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5067 * function.c (used_types_insert): Don't skip through named pointer
5068 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5069 and it is different from the main variant's type.
5071 2010-02-26 Nick Clifton <nickc@redhat.com>
5073 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5075 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5077 * config.gcc: Support --with-fpmath=sse for x86.
5079 * config/i386/ssemath.h: New.
5081 * doc/install.texi (--with-fpmath=sse): Documented.
5083 2010-02-26 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/43188
5086 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5087 vector types of over-aligned element type.
5089 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5092 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5093 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5095 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5097 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5099 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5101 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5102 * var-tracking.c: Include diagnostic.h.
5103 (debug_dv): New function.
5104 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5107 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5108 (add_value_chain, add_value_chains, remove_value_chain,
5109 remove_value_chains): Handle DEBUG_EXPRs.
5110 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5113 * regcprop.c (struct queued_debug_insn_change): New type.
5114 (struct value_data_entry): Add debug_insn_changes field.
5115 (struct value_data): Add n_debug_insn_changes field.
5116 (debug_insn_changes_pool): New variable.
5117 (free_debug_insn_changes, apply_debug_insn_changes,
5118 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5119 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5120 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5122 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5124 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5125 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5126 changes, call cprop_find_used_regs via note_stores.
5127 (copyprop_hardreg_forward): When copying vd from predecessor
5128 which has any queued DEBUG_INSN changes, make sure the pointers are
5129 cleared. At the end call df_analyze and then if there are any
5130 DEBUG_INSN changes queued at the end of some basic block for still
5131 live registers, apply them.
5132 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5134 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5136 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5139 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5141 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5142 targets. Set the default with_cpu/with_arch from arch/cpu.
5143 Allow x86-64 and native for with_cpu/with_arch.
5145 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5147 * ebitmap.c: Change calls to verify_popcount with calls to
5148 sbitmap_verify_popcount.
5149 (ebitmap_clear_bit): Fixed map->cacheindex test and
5150 map>cache update when bit clearing results in an empty
5153 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5156 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5157 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5158 and support both V2DF and V2DI modes.
5159 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5160 support both V2DF and V2DI modes.
5161 (general): Delete trailing whitespace from a few patterns.
5163 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5164 V2DF/V2DI interleave high/low builtins.
5166 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5169 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5170 interleave high/low functions.
5172 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5174 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5175 #pragma extern_prefix.
5177 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5180 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5181 BLKmode, assert op0 is a MEM and just adjust its mode.
5184 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5185 if bitpos isn't multiple of mode's bitsize.
5187 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5189 * c.opt (-ftemplate-depth=): New.
5190 (-ftemplate-depth-): Deprecate.
5191 * optc-gen.awk: Handle -ftemplate-depth=.
5192 * opth-gen.awk: Likewise.
5193 * c-opts.c (c_common_handle_option): Likewise.
5194 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5196 2010-02-24 Jason Merrill <jason@redhat.com>
5198 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5200 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5202 * cfg.c (alloc_aux_for_block): Remove inline.
5203 (alloc_aux_for_edge): Likewise.
5205 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5207 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5209 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5211 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5212 * config/i386/sol2-gas.h: New file.
5213 * config.gcc (i[34567]86-*-solaris2*): Use it.
5215 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5218 * c-typeck.c (ep_convert_and_check): New.
5219 (build_conditional_expr): Use it.
5220 (build_binary_op): Likewise.
5222 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5224 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5227 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5228 bounds even for -O+.
5229 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5230 expr needs to have DECL_NAME set.
5232 2010-02-24 Nick Clifton <nickc@redhat.com>
5234 * config/mep/mep.c: Include gimple.h.
5235 (mep_function_uses_sp): Delete unused function.
5236 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5237 parameters. Use unsigned integers to count args. Return a
5238 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5240 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5243 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5244 greater or equal to nelt instead of 2 * nelt.
5245 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5248 2010-02-23 Jason Merrill <jason@redhat.com>
5251 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5252 in cfun->local_decls even if they have register types.
5255 * stor-layout.c (place_field): Don't warn about unnecessary
5256 DECL_PACKED if the type is packed.
5258 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5261 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5262 GOTOFF relocs, even when the base reg isn't pic pointer.
5264 2010-02-23 Michael Matz <matz@suse.de>
5267 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5268 (expand_gimple_basic_block): Generate and use debug temps if there
5269 are debug uses left after the last real use of TERed ssa names.
5270 Unlink debug immediate uses when they are expanded.
5272 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5275 * config/i386/i386.c (override_options): Reorganise to provide
5276 better error messages.
5278 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5281 * graphite-scop-detection.c (create_single_exit_edge): Move
5282 the call to find_single_exit_edge to....
5283 (create_sese_edges): ...here. Don't handle multiple edges
5284 exiting the function.
5285 (build_graphite_scops): Don't handle multiple edges
5286 exiting the function.
5288 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5291 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5292 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5294 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5297 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5299 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5302 * c-typeck.c (convert_arguments): Print declaration location.
5303 * c-common.c (validate_nargs): Rename as
5304 builtin_function_validate_nargs.
5305 (check_builtin_function_arguments): Update.
5307 2010-02-22 Richard Guenther <rguenther@suse.de>
5310 * tree-inline.c (declare_return_variable): Use the type of
5311 the call stmt lhs if available.
5313 2010-02-22 Duncan Sands <baldrick@free.fr>
5315 * passes.c (register_pass): Always consider all pass lists when
5316 ref_pass_instance_number is zero.
5318 2010-02-22 Richard Guenther <rguenther@suse.de>
5320 PR tree-optimization/42749
5321 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5322 parameter. Do arithmetic in the original type.
5323 (update_accumulator_with_ops): Likewise.
5324 (adjust_accumulator_values): Adjust.
5326 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5328 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5329 (QI to BLKmode splitter): New splitter.
5331 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5333 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5334 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5336 2010-02-22 Richard Guenther <rguenther@suse.de>
5338 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5340 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5342 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5343 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5344 ($(T)crti.o, $(T)crtn.o): Remove rules.
5346 2010-02-21 Tobias Burnus <burnus@net-b.de>
5349 * doc/invoke.texi (-fassociative-math): Document that this
5350 option is automatically enabled for Fortran.
5352 2010-02-20 David S. Miller <davem@davemloft.net>
5354 * configure.ac: Test if linker and assembler properly support
5355 GOTDATA_OP relocations.
5356 * configure: Rebuild.
5357 * config.in: Likewise.
5358 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5359 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5360 (movsi_high_pic): Likewise.
5361 (movdi_lo_sum_pic): Likewise.
5362 (movdi_high_pic): Likewise.
5363 (movsi_pic_gotdata_op): New pattern.
5364 (movdi_pic_gotdata_op): Likewise.
5365 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5366 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5368 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5371 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5372 attribute to ssemul.
5373 (xop_mulv2div2di3_high): Ditto.
5375 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5378 * c.opt (Wconversion-null): New option.
5379 * doc/invoke.texi (Wconversion-null): Document.
5381 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5383 * common.opt (Wlarger-than-): Add Undocumented.
5385 2010-02-19 Mike Stump <mikestump@comcast.net>
5387 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5389 2010-02-19 Jason Merrill <jason@redhat.com>
5392 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5393 * configure: Likewise.
5395 2010-02-20 Alan Modra <amodra@gmail.com>
5398 * cgraph.h (cgraph_make_decl_local): Declare.
5399 * cgraph.c (cgraph_make_decl_local): New function.
5400 (cgraph_make_node_local): Use it.
5401 * cgraphunit.c (cgraph_function_versioning): Likewise.
5402 * ipa.c (function_and_variable_visibility): Likewise.
5404 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5407 * except.c (sjlj_emit_function_enter): Don't call
5408 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5410 * rtl.h (add_reg_br_prob_note): Remove prototype.
5412 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5415 * c-common.c (conversion_warning): Remove widening conversions
5416 before checking the conversion of integers to reals.
5418 2010-02-19 Mike Stump <mikestump@comcast.net>
5421 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5424 * cgraphunit.c (process_function_and_variable_attributes): Check
5425 DECL_PRESERVE_P instead of looking up attribute "used".
5426 * ipa-pure-const.c (check_decl): Likewise.
5427 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5428 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5429 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5430 instead of attribute "used".
5431 * config/sol2-c.c (solaris_pragma_init): Likewise.
5432 (solaris_pragma_fini): Likewise.
5434 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5436 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5437 Use XCNEW instead of xcalloc.
5438 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5439 XNEW instead of xmalloc.
5440 (get_fields): Use XNEWVEC instead of xmalloc.
5443 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5444 populate vars array.
5445 (create_new_general_access): For debug stmts just reset value.
5446 (get_stmt_accesses): For accesses within debug stmts just record them
5447 using add_access_to_acc_sites instead of preventing the peeling or
5448 counting them as accesses.
5451 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5453 2010-02-19 Richard Guenther <rguenther@suse.de>
5455 PR tree-optimization/42916
5456 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5459 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5461 * configure.ac: Replace all uses of changequote in macro arguments
5462 with proper quoting.
5464 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5467 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5469 2010-02-19 Richard Guenther <rguenther@suse.de>
5471 PR tree-optimization/42944
5472 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5473 test for aliasing with errno.
5475 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5478 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5479 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5480 * dojump.c: Include output.h.
5481 (inv): New inline function.
5482 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5483 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5484 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5485 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5486 argument, pass it down to other calls.
5487 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5488 add REG_BR_PROB note to the conditional jump.
5489 * cfgexpand.c (add_reg_br_prob_note): Removed.
5490 (expand_gimple_cond): Don't call it, add the probability
5491 as last argument to jumpif_1/jumpifnot_1.
5492 * Makefile.in (dojump.o): Depend on output.h.
5493 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5495 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5496 * stmt.c (do_jump_if_equal): Likewise.
5497 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5498 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5499 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5501 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5502 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5503 jumpifnot_1 callers.
5504 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5506 (store_expr): Adjust jumpifnot caller.
5507 (store_constructor): Adjust jumpif caller.
5510 * gimplify.c (gimple_boolify): For __builtin_expect call
5511 gimple_boolify also on its first argument.
5513 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5515 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5517 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5518 * configure: Regenerated.
5520 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5522 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5523 lang_hooks.types_compatible_p instead of comptypes.
5525 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5527 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5528 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5529 if __prefer_thumb__ is defined.
5531 2010-02-18 Martin Jambor <mjambor@suse.cz>
5533 PR tree-optimization/43066
5534 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5535 array with zero-sized element type.
5537 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5539 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5540 rtx, allocate struct var_loc_node here and return it to the
5541 caller, and only if it is actually needed.
5542 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5543 move it earlier and return immediately if it returns NULL.
5545 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5547 * config/sparc/gas.h: New file. Restore
5548 TARGET_ASM_NAMED_SECTION to its ELF default.
5549 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5551 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5552 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5553 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5554 after sparc/sysv4.h.
5556 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5558 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5560 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5562 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5563 patterns from predicated pattern.
5565 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5568 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5569 for insn mnemonic suffix.
5571 2010-02-17 Richard Guenther <rguenther@suse.de>
5573 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5576 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5579 * caller-save.c (save_call_clobbered_regs): If BB ends with
5580 a DEBUG_INSN, move any notes in between last real insn and the last
5581 DEBUG_INSN after the last DEBUG_INSN.
5583 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5585 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5586 Fix return type. Fix argument type. Explain meaning of return value.
5588 2010-02-16 Richard Guenther <rguenther@suse.de>
5590 PR tree-optimization/41043
5591 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5592 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5594 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5596 2010-02-16 Ira Rosen <irar@il.ibm.com>
5598 PR tree-optimization/43074
5599 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5600 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5601 vectorizable cycles in hybrid SLP check.
5602 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5604 2010-02-16 Richard Guenther <rguenther@suse.de>
5606 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5607 (true_dependence): If memrefs_conflict_p computes must-alias
5608 trust it. Move TBAA check after offset-based disambiguation.
5609 (canon_true_dependence): Likewise.
5611 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5613 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5614 * doc/invoke.texi: Document it.
5615 * var-tracking.c: Include toplev.h and params.h.
5616 (vt_find_locations): Return bool indicating success. Compute
5617 hash sizes unconditionally. Check new parameter, report.
5618 (variable_tracking_main_1): Check vt_find_locations results and
5619 retry. Renamed from...
5620 (variable_tracking_main): ... this. New wrapper to preserve
5621 flag_var_tracking_assignments.
5622 * Makefile.in (var-tracking.o): Adjust dependencies.
5624 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5625 Jakub Jelinek <jakub@redhat.com>
5628 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5629 if weak_import attribute is present.
5630 * config/darwin.c (machopic_select_section): Likewise.
5632 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5634 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5635 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5636 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5637 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5639 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5642 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5645 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5646 Rewrite text to refer to the names.
5648 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5650 * config/i386/i386-builtin-types.def
5651 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5652 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5653 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5654 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5655 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5656 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5657 IX86_BUILTIN_VPERMIL2PS256.
5658 (MULTI_ARG_4_DF2_DI_I): Defined.
5659 (MULTI_ARG_4_DF2_DI_I1): Defined.
5660 (MULTI_ARG_4_SF2_SI_I): Defined.
5661 (MULTI_ARG_4_SF2_SI_I1): Defined.
5662 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5663 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5664 __builtin_ia32_vpermil2ps256.
5665 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5666 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5667 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5668 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5669 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5670 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5671 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5672 CODE_FOR_xop_vpermil2v8sf3.
5673 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5674 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5675 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5676 (_mm256_permute2_pd): New.
5677 (_mm_permute2_ps): New.
5678 (_mm256_permute2_ps): New.
5680 2010-02-15 Nick Clifton <nickc@redhat.com>
5682 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5683 boolean parameters. Use emit_jump_insn when emitting a pop
5684 instruction containing a return insn.
5685 (push): Use 'true' rather than '1' as second parameter to F.
5686 (h8300_expand_prologue): Likewise.
5687 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5688 (h8300_expand_epilogue): Likewise.
5690 2010-02-15 Richard Guenther <rguenther@suse.de>
5693 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5696 2010-02-15 Nick Clifton <nickc@redhat.com>
5698 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5701 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5703 * intl.c (fake_ngettext): New function.
5704 * intl.h (fake_ngettext): Declare.
5705 (ngettext): Define macro.
5706 * collect2.c (notice_translated): New function.
5707 (main): Use notice_translated and ngettext.
5708 * collect2.h (notice_translated): Declare.
5710 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5712 * reorg.c (delete_computation): Comment fixes.
5713 * caller-save.c (setup_save_areas): Idem.
5714 * sel-sched-dump.c (dump_lv_set): Idem.
5717 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5719 * config/s390/s390.c (s390_sched_init): New function.
5720 (TARGET_SCHED_INIT): Target hook defined.
5722 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5723 Jack Howarth <howarth@bromo.med.uc.edu>
5724 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5727 Partial revert of unintended change in fix for PR41605.
5728 * config/darwin.h: Fix typo.
5729 * config/darwin9.h: Same.
5731 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5733 * c-pch.c (pch_init): Clear v.
5735 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5738 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5739 graphite_can_represent_init for MULT_EXPR.
5741 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5745 * graphite-sese-to-poly.c (remove_phi): New.
5746 (translate_scalar_reduction_to_array): Call remove_phi.
5748 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5751 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5752 * graphite-clast-to-gimple.h (gloog): Update declaration.
5753 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5754 * graphite-poly.h (struct poly_bb): Add missing comments.
5755 (struct scop): Add poly_scop_p field.
5757 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5758 * graphite.c (graphite_transform_loops): Build the polyhedral
5759 representation for each scop before code generation.
5760 * sese.c (rename_variables_in_operand): Removed.
5761 (rename_variables_in_expr): Return the renamed expression.
5762 (rename_sese_parameters): New.
5763 * sese.h (rename_sese_parameters): Declared.
5765 2010-02-11 Richard Guenther <rguenther@suse.de>
5767 PR tree-optimization/42998
5768 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5769 POINTER_PLUS_EXPR properly.
5771 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5772 Changpeng Fang <changpeng.fang@amd.com>
5775 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5776 the cost of an IV candidate when the IV is used in a test against zero.
5778 * gcc.dg/tree-ssa/ivopts-3.c: New.
5780 2010-02-11 Richard Guenther <rguenther@suse.de>
5783 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5784 pointer-vs-decl case by swapping refs. Handle some cases
5785 of pointer-vs-decl disambiguations more conservatively.
5786 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5787 to false after expanding.
5789 2010-02-11 Richard Guenther <rguenther@suse.de>
5792 * gcc.c (process_command): Handle LTO file@offset case more
5795 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5797 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5798 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5800 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5802 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5803 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5804 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5805 Optimize eq/ne comparisons when both arguments are known to be
5807 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5808 Don't mask operands unnecessarily if they are known to be already
5811 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5813 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5816 2010-02-10 Richard Guenther <rguenther@suse.de>
5818 PR tree-optimization/43017
5819 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5820 for wrapping signed arithmetic.
5822 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5825 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5826 if no debug info should be emitted for it.
5828 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5830 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5831 note when flag_exceptions is set.
5833 2010-02-10 Duncan Sands <baldrick@free.fr>
5835 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5837 2010-02-10 Richard Guenther <rguenther@suse.de>
5840 * tree.c (get_unwidened): Handle constants.
5841 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5843 2010-02-10 Martin Jambor <mjambor@suse.cz>
5846 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5847 check for variable argument counts independently.
5849 2010-02-10 Christian Bruel <christian.bruel@st.com>
5852 * config/sh/sh.c (find_barrier): Increase length for non delayed
5853 conditional branches.
5855 2010-02-10 Christian Bruel <christian.bruel@st.com>
5857 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5859 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5861 * builtins.c (set_builtin_user_assembler_name): Also handle
5862 ffs if int is smaller than word.
5864 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5867 * ira-conflicts.c (get_dup): Remove.
5868 (process_reg_shuffles): Add new parameter. Use it as an
5869 additional guard for copy generation.
5870 (add_insn_allocno_copies): Rewrite.
5872 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5874 * common.opt (fsched2-use-traces): Preserved for backward
5876 * doc/invoke.texi: Remove the documentation about option
5877 -fsched2-use-traces.
5878 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5879 flag_sched2_use_traces.
5880 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5881 the backward compatibility flag section.
5883 2010-02-09 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/43008
5886 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5887 make HEAP variables initialized from global memory if they
5888 are not known builtin functions.
5889 (find_func_aliases): Adjust.
5891 2010-02-09 Richard Guenther <rguenther@suse.de>
5893 PR tree-optimization/43000
5894 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5895 arithmetic manually.
5897 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5899 PR tree-optimization/42931
5900 * tree-loop-linear.c (try_interchange_loops): Don't call
5901 double_int_mul if estimated_loop_iterations failed.
5903 2010-02-08 Martin Jambor <mjambor@suse.cz>
5906 * tree-sra.c (build_accesses_from_assign): Do not mark in
5907 should_scalarize_away_bitmap if stmt has volatile ops.
5908 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5911 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5913 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5915 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5917 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5920 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5923 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5925 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5928 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5929 to unknown_dependence.
5930 (graphite_legal_transform_dr): Handle the unknown_dependence.
5931 (graphite_carried_dependence_level_k): Same.
5933 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5935 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5937 2010-02-07 Richard Guenther <rguenther@suse.de>
5940 * expr.c (get_inner_reference): Always initialize *pbitsize.
5942 2010-02-07 Richard Guenther <rguenther@suse.de>
5945 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5946 new ARRAY_REFs on variable size element or minimal index arrays.
5948 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5949 gimple_fold_indirect_ref.
5951 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5954 * arm.c (arm_override_options): Just return if the user has specified
5955 an invalid fpu name.
5957 2010-02-03 Jason Merrill <jason@redhat.com>
5960 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5961 i386_pe_maybe_record_exported_symbol.
5963 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5966 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5967 (pa_delegitimize_address): New function.
5969 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5971 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5972 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5974 2010-02-05 Richard Guenther <rguenther@suse.de>
5977 * lto-streamer-in.c (get_resolution): Deal with references
5978 to undefined functions.
5980 2010-02-05 Richard Guenther <rguenther@suse.de>
5982 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5983 (fold_const_aggregate_ref): Likewise.
5984 (ccp_fold_stmt): Substitute loads.
5985 (maybe_fold_reference): Verify types before substituting.
5987 (fold_gimple_assign): Unshare properly.
5988 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5990 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5992 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5993 for rs6000_gen_cell_microcode.
5995 2010-02-04 Richard Guenther <rguenther@suse.de>
5997 PR rtl-optimization/42952
5998 * dse.c (const_or_frame_p): Remove MEM handling.
6000 2010-02-04 Nick Clifton <nickc@redhat.com>
6002 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6003 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6004 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6005 (mn10300_asm_output_mi_thunk): New function.
6006 (mn10300_can_output_mu_thunk): New function.
6007 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6008 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6009 (FUNCTION_ARG): Delete incorrect comment.
6011 2010-02-03 Jason Merrill <jason@redhat.com>
6014 * fold-const.c (operand_equal_p): Handle erroneous types.
6016 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6018 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6020 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6022 PR rtl-optimization/42941
6023 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6026 2010-02-03 Jason Merrill <jason@redhat.com>
6029 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6031 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6034 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6035 (cselib_reset_table): Renamed from...
6036 (cselib_reset_table_with_next_value): ... this.
6037 (cselib_get_next_uid): Renamed from...
6038 (cselib_get_next_unknown_value): ... this.
6039 * cselib.c (next_uid): Renamed from...
6040 (next_unknown_value): ... this.
6041 (cselib_clear_table): Adjust.
6042 (cselib_reset_table): Adjust. Renamed from...
6043 (cselib_reset_table_with_next_value): ... this.
6044 (cselib_get_next_uid): Adjust. Renamed from...
6045 (cselib_get_next_unknown_value): ... this.
6046 (get_value_hash): Use hash.
6047 (cselib_hash_rtx): Likewise.
6048 (new_cselib_val): Adjust. Set and dump uid.
6049 (cselib_lookup_mem): Pass next_uid as hash.
6050 (cselib_subst_to_values): Likewise.
6051 (cselib_log_lookup): Dump uid.
6052 (cselib_lookup): Pass next_uid as hash. Adjust.
6053 (cselib_process_insn): Adjust.
6054 (cselib_init): Initialize next_uid.
6055 (cselib_finish): Adjust.
6056 (dump_cselib_table): Likewise.
6057 * dse.c (canon_address): Dump value uid.
6058 * print-rtl.c (print_rtx): Print value uid.
6059 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6061 (dv_uid): New function, sort of renamed from...
6062 (dv_htab_hash): ... this, reimplemented in terms of it and...
6063 (dv_uid2hash): ... this. New.
6064 (variable_htab_eq): Drop excess assertions.
6065 (tie_break_pointers): Removed.
6066 (canon_value_cmp): Compare uids.
6067 (variable_post_merge_New_vals): Print uids.
6068 (vt_add_function_parameters): Adjust.
6069 (vt_initialize): Reset table. Adjust.
6071 2010-02-03 Richard Guenther <rguenther@suse.de>
6073 PR tree-optimization/42944
6074 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6075 (call_may_clobber_ref_p_1): Likewise. Properly handle
6076 malloc and calloc clobbering errno.
6078 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6080 * doc/invoke.texi: Fix name of sched1 dump.
6082 * opts.c (decode_options): Set flag_tree_switch_conversion
6083 only conditionally on optimize >= 2.
6085 * gcse.c: Assorted comment fixes in pass description.
6087 2010-02-03 Anthony Green <green@moxielogic.com>
6089 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6090 nop padding in order to maintain alignment of storage location of
6091 target function address.
6092 (moxie_trampoline_init): Store target function address at newly
6094 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6096 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6098 2010-02-03 Richard Guenther <rguenther@suse.de>
6101 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6103 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6105 * config.gcc: Reenable check for obsolete targets.
6106 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6107 mips-sgi-irix6.[0-4]*.
6109 2010-02-02 Nick Clifton <nickc@redhat.com>
6111 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6112 constant size of 4 as being the same as 0.
6113 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6114 can take values in the range 0..4.
6116 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6119 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6120 as _darwin10_Unwind_FindEnclosingFunction().
6121 * libgcc-libsystem.ver: New.
6123 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6126 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6127 implicitly set registers.
6129 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6131 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6132 (arm_override_options): Allow automatic selection of the thread
6133 pointer register if thumb2.
6134 (legitimize_pic_address): Improve code sequences for Thumb2.
6135 (arm_call_tls_get_addr): Likewise.
6136 (legitimize_tls_address): Likewise.
6137 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6138 (pic_load_addr_32bit): ... this. New named pattern.
6139 * thumb2.md (pic_load_addr_thumb2): Delete.
6140 (pic_load_dot_plus_four): Delete.
6141 (tls_load_dot_plus_four): New named pattern.
6143 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6146 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6147 Document fix for TLS bug.
6149 2010-01-31 Richard Guenther <rguenther@suse.de>
6151 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6152 conservatively correct.
6154 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6158 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6160 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6162 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6164 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6166 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6168 * config.gcc: Adjust order of makefile fragments for mingw targets.
6170 2010-01-31 Richard Guenther <rguenther@suse.de>
6173 * gimplify.c (gimplify_init_constructor): For volatile LHS
6174 initialize a temporary.
6176 2010-01-31 Matthias Klose <doko@ubuntu.com>
6178 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6180 * configure: Regenerate.
6182 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6184 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6185 the same alias set and their sizes different constantness.
6186 (aliasing_component_refs_p): Revert 2009-10-24 change.
6188 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6190 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6193 2010-01-29 Richard Guenther <rguenther@suse.de>
6195 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6196 Assert we successfully updated the call.
6198 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6200 PR rtl-optimization/42889
6201 * df.h (df_set_bb_dirty_nonlr): New prototype.
6202 * df-core.c (df_set_bb_dirty_nonlr): New function.
6203 * df-scan.c (df_insn_rescan): Call it instead of
6204 df_set_bb_dirty for DEBUG_INSNs.
6206 2010-01-29 Richard Guenther <rguenther@suse.de>
6209 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6210 quadratic behavior in most cases.
6212 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6215 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6216 in the call to gen_x86_movsicc_0_m1.
6218 2010-01-28 Richard Guenther <rguenther@suse.de>
6220 PR tree-optimization/42871
6221 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6223 2010-01-28 Richard Guenther <rguenther@suse.de>
6225 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6226 into call arguments.
6228 2010-01-28 Richard Guenther <rguenther@suse.de>
6231 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6232 the forwarder if the destination is an EH landing pad.
6234 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6236 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6237 block list passed to gimple_duplicate_sese_tail.
6238 (parallelize_loops): Avoid parallelization when the function
6240 Avoid parallelization when the preheader is IRREDUCIBLE.
6241 Try to optimize when estimated_loop_iterations_int is unresolved.
6242 Add the loop's location to the dump file.
6243 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6244 (gimple_duplicate_sese_tail): Remove the check for the latch.
6245 Redirect nexits to the exit block.
6246 Remove handling of the incoming edges to the latch.
6247 Redirect the backedge from the copied latch to the exit bb.
6249 2010-01-28 Michael Matz <matz@suse.de>
6252 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6253 Wrap force_reg into a sequence, emit it before user.
6255 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6257 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6259 (arm_legacy_rev): Likewise.
6260 (thumb_legacy_rev): Likewise.
6262 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6264 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6265 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6266 on MEM's address failed, try avoid_constant_pool_reference and
6267 recurse if it returned something different.
6268 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6269 address, try avoid_constant_pool_reference and recurse if it
6270 returned something different.
6271 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6272 address and avoid_constant_pool_reference returned something
6273 different, don't set have_address.
6275 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6278 * var-tracking.c (val_store): Add modified argument, obey it.
6280 (count_uses): Move down logging of main.
6281 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6282 don't need resolution.
6283 (emit_notes_in_bb): Likewise.
6285 2010-01-27 Richard Guenther <rguenther@suse.de>
6288 * tree-inline.c (remap_decl): Delay remapping of SSA name
6289 default definitions until we need them.
6291 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6293 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6294 (rs6000_delegitimize_address): New function.
6296 * config/s390/s390.c (s390_delegitimize_address): Call
6297 delegitimize_mem_from_attrs.
6300 * tree-inline.c (cannot_copy_type_1): Removed.
6301 (copy_forbidden): Don't forbid copying of functions containing
6302 records/unions with variable length fields.
6304 2010-01-27 Christian Bruel <christian.bruel@st.com>
6308 * config/sh/sh.c (find_barrier): Increase length for non delayed
6309 conditional branches.
6311 2010-01-27 Matthias Klose <doko@ubuntu.com>
6313 * configure.ac (gnu-unique-object): Fix ldd version check.
6314 * configure: Regenerate.
6316 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6318 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6320 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6321 Test for HAVE_GNU_AS value.
6323 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6325 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6326 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6327 INT64_TYPE): Define.
6328 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6329 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6330 INT_LEAST64_TYPE): Define.
6331 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6332 UINT_LEAST64_TYPE): Define.
6333 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6334 INT_FAST64_TYPE): Define.
6335 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6336 UINT_FAST64_TYPE): Define.
6337 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6338 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6339 (SIG_ATOMIC_TYPE): Define.
6341 2010-01-26 Richard Guenther <rguenther@suse.de>
6343 * df-scan.c (df_scan_set_bb_info): Remove assert.
6344 (df_insn_rescan_debug_internal): Merge asserts.
6345 (df_install_ref): Likewise.
6346 (df_mark_reg): Use bitmap_set_range.
6347 (df_hard_reg_used_p): Remove assert.
6348 (df_hard_reg_used_count): Likewise.
6350 2010-01-26 Richard Guenther <rguenther@suse.de>
6352 PR rtl-optimization/42685
6353 * web.c (web_main): Ignore DEBUG_INSNs.
6355 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6357 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6359 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6360 Fix types of fndecl and arglist parameters.
6362 2010-01-26 Richard Guenther <rguenther@suse.de>
6365 * tree-eh.c (unsplit_eh): Skip debug insns.
6367 2010-01-26 Richard Guenther <rguenther@suse.de>
6369 PR tree-optimization/42250
6370 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6372 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6375 * omp-low.c (expand_omp_sections): Only use single_pred if
6376 l2_bb is single_pred_p.
6378 2010-01-25 Christian Bruel <christian.bruel@st.com>
6381 * config/sh/sh.c (find_barrier): Increase length for non delayed
6382 conditional branches.
6383 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6385 2010-01-24 David S. Miller <davem@davemloft.net>
6387 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6388 define if not using GAS.
6389 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6390 Likewise. Delete SECTION_MERGE code, which is only applicable
6393 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6396 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6397 mangling of va_list in system headers.
6399 2010-01-23 Toon Moene <toon@moene.org>
6401 * tree-predcom.c (combine_chains): Return NULL, not false.
6403 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6405 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6406 initialization of variable res to agree with return type.
6408 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6410 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6411 * tree-sra.c: Add include of expr.h.
6413 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6415 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6416 insert the debug stmt on the single non-EH edge from the stmt.
6418 2010-01-22 Richard Henderson <rth@redhat.com>
6421 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6422 the RHS until after generate_subtree_copies has insertted its
6423 code before the current statement.
6425 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6427 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6429 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6431 2010-01-21 Martin Jambor <mjambor@suse.cz>
6433 PR tree-optimization/42585
6434 * tree-sra.c (struct access): New field grp_total_scalarization.
6435 (dump_access): Dump the new field.
6436 (should_scalarize_away_bitmap): New variable.
6437 (cannot_scalarize_away_bitmap): Likewise.
6438 (sra_initialize): Allocate new bitmaps.
6439 (sra_deinitialize): Free new bitmaps.
6440 (create_access_1): New function.
6441 (create_access): Parts moved to create_access_1.
6442 (type_consists_of_records_p): New function.
6443 (completely_scalarize_record): Likewise.
6444 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6445 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6446 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6448 (analyze_all_variable_accesses): Completely scalarize small eligible
6451 2010-01-21 Martin Jambor <mjambor@suse.cz>
6453 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6455 2010-01-21 Andrew Haley <aph@redhat.com>
6457 * gcc.c (process_command): Move lang_specific_driver before
6458 setting cc_libexec_prefix.
6460 2010-01-21 Richard Guenther <rguenther@suse.de>
6463 * fold-const.c (negate_expr_p): Pretend only negative
6464 real constants are easily negatable.
6466 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6467 Jason Merrill <jason@redhat.com>
6469 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6470 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6471 * calls.c (initialize argument_information): Handle it.
6472 * c-common.c (handle_transparent_union_attribute): Use new name.
6473 * c-decl.c (finish_struct): Ditto.
6474 * c-typeck.c (type_lists_compatible_p): Ditto.
6475 (convert_for_assignment): Use new name and also handle record.
6476 * function.c (aggregate_value_p): Handle it.
6477 (pass_by_reference): Ditto.
6478 (assign_parm_data_types): Ditto.
6479 * print-tree.c (print_node): Ditto.
6480 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6481 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6482 * tree.c (first_field): New fn.
6484 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6487 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6488 even when linking statically, for now.
6490 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6493 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6494 without a cselib val.
6495 (count_uses): Accept MO_VAL_SET with no val on stores.
6496 (add_stores): Likewise.
6498 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6500 * var-tracking.c (check_value_val): Add a compile time assertion.
6501 (dv_is_decl_p): Simplify.
6502 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6503 gcc_assert if ENABLE_CHECKING.
6505 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6508 * var-tracking.c: Include tree-flow.h.
6509 (mem_dies_at_call): New.
6510 (dataflow_set_preserve_mem_locs): Use it.
6511 (dataflow_set_remove_mem_locs): Likewise.
6512 (dump_var): Renamed from dump_variable. Adjust all callers.
6513 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6514 * Makefile.in (var-tracking.o): Adjust deps.
6516 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6518 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6520 2010-01-20 Richard Guenther <rguenther@suse.de>
6522 PR tree-optimization/42717
6523 * tree-ssa-dce.c (get_live_post_dom): Remove.
6524 (forward_edge_to_pdom): Take an arbitrary edge to copy
6525 degenerate PHI args from.
6526 (remove_dead_stmt): Use the first post-dominator even if it
6527 does not contain live statements as redirection destination.
6529 2010-01-20 Richard Guenther <rguenther@suse.de>
6531 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6533 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6535 * sel-sched.c (create_speculation_check): Remove set but not used
6537 (try_transformation_cache): Remove set but not used variable ds.
6538 (calculate_privileged_insns): Remove set but not used variables
6539 cur_insn and min_spec_insn.
6540 (find_best_expr): Remove set but not used variable avail_n.
6541 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6543 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6545 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6546 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6549 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6552 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6553 cpu types. Add support for *-sse3 cpu types.
6554 (x86_64-*-*): Ditto.
6556 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6559 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6560 argument, call initializer_constant_valid_p_1 instead of
6561 initializer_constant_valid_p, pass CACHE to it, return NULL
6562 immediately if first call returns NULL.
6563 (initializer_constant_valid_p_1): New function.
6564 (initializer_constant_valid_p): Use it.
6566 2010-01-20 Thomas Quinot <quinot@adacore.com>
6568 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6570 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6572 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6573 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6574 (loc_list_from_tree): Don't handle unsigned division. Handle
6575 signed modulo using DW_OP_{over,over,div,mul,minus}.
6576 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6577 modulo instead of signed.
6579 2010-01-20 DJ Delorie <dj@redhat.com>
6581 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6583 (h8300_emit_stack_adjustment): Propogate it.
6585 (h8300_expand_prologue): Likewise.
6586 (h8300_expand_epilogue): Likewise.
6588 2010-01-19 Michael Matz <matz@suse.de>
6590 PR tree-optimization/41783
6591 * tree-data-ref.c (toplevel): Include flags.h.
6592 (dump_data_dependence_relation): Also dump the inputs if the
6593 result will be unknown.
6594 (split_constant_offset_1): Look through some conversions.
6595 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6596 the offset from last element is too large.
6597 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6598 (reassociate_to_the_same_stmt): Handle vector registers.
6599 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6601 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6602 wide_prolog_niters argument, emit widening instructions.
6603 (vect_do_peeling_for_alignment): Adjust caller, use widened
6604 variant of the iteration cound.
6605 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6607 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6610 * config/arm/neon-testgen.m (emit_automatics): New parameter
6611 features. Adjust for Fixed_return_reg feature.
6612 (test_intrinsic): Call emit_automatics with new feature.
6613 * config/arm/neon.ml: Update copyright years.
6614 (features): New Fixed_return_reg feature.
6615 (ops): Update feature for Vget_low.
6617 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6619 PR tree-optimization/42719
6620 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6624 * fwprop.c (all_uses_available_at): Return false if def_set dest
6625 is a REG that is used in def_insn.
6627 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6629 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6631 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6634 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6636 * target.h (struct gcc_target) <secondary_reload>: Change type
6637 of last argument to secondary_reload_info *.
6639 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6642 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6643 memory references with unaligned offsets. Remove CQImode handling.
6644 (unaligned_memory_operand): Return 1 for memory references with
6645 unaligned offsets. Remove CQImode handling.
6647 2010-01-18 Richard Guenther <rguenther@suse.de>
6650 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6653 2010-01-18 Richard Guenther <rguenther@suse.de>
6655 PR tree-optimization/42781
6656 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6657 restrict processing only if the original variable was artificial.
6659 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6661 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6662 find number of popped argument bytes.
6664 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6665 Fix the text that describes the return value for invalid insns.
6667 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6669 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6670 Clarify what 'cost of the -dependence' is. Fix quoting.
6672 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6673 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6675 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6677 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6678 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6680 2010-01-17 Richard Guenther <rguenther@suse.de>
6683 * function.c (split_complex_args): Take a VEC to modify.
6684 (assign_parms_augmented_arg_list): Build a VEC instead of
6685 a chain of PARM_DECLs.
6686 (assign_parms_unsplit_complex): Take a VEC of arguments.
6687 Do not fixup unmodified parms.
6688 (assign_parms): Deal with the VEC.
6689 (gimplify_parameters): Likewise.
6691 2010-01-17 Richard Guenther <rguenther@suse.de>
6693 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6694 node existence check.
6695 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6696 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6697 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6698 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6699 (gimple_execute_on_growing_pred): Likewise.
6701 2010-01-17 Richard Guenther <rguenther@suse.de>
6703 PR tree-optimization/42773
6704 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6705 (compute_antic_aux): Likewise.
6706 (compute_partial_antic_aux): Likewise.
6708 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6711 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6714 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6716 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6719 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6720 Fix markup for strict argument.
6722 (TARGET_SCHED_REORDER2): Fix argument types.
6724 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6725 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6727 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6728 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6730 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6733 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6734 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6735 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6736 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6737 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6739 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6741 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6743 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6744 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6746 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6748 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6751 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6753 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6754 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6756 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6758 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6760 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6761 referring to it. Fix language.
6763 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6765 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6767 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6769 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6771 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6772 '@var{stream}. Remove stray 'and'.
6774 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6776 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6778 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6780 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6781 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6783 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6784 Fix description of return value.
6785 Rename argument "sz" to "len."
6787 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6788 Clarify meaning of 'true' return value.
6790 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6792 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6793 rep_mode versus mode_rep.
6795 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6797 (TARGET_BUILTIN_DECL): Fix name.
6799 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6801 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6803 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6805 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6807 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6809 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6812 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6813 Rename argument tm_fn to md_fn.
6815 (TARGET_OPTION_PRINT): Fix argument list.
6817 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6820 * config/i386/i386.c (ix86_fixup_binary_operands):
6821 Revert FMA4 fixup of operands.
6823 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6826 * Makefile.in (write_entries_to_file, install-plugin):
6827 Use \012 instead of \n with tr.
6829 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6831 * configure.ac (HAVE_AS_REF): New C macro.
6832 * configure: Regenerate.
6833 * config.in: Likewise.
6834 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6836 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6839 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6841 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6843 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6845 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6847 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6849 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6851 (TARGET_BINDS_LOCAL_P): Fix argument type.
6853 (TARGET_ASM_FILE_END): Use prototype.
6855 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6857 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6859 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6861 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6863 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6864 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6866 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6867 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6869 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6870 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6871 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6872 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6874 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6876 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6878 (TARGET_INIT_BUILTINS): Use prototype.
6880 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6881 Put 'const char *' in braces. Fix parameter types.
6882 (TARGET_INVALID_CONVERSION): Fix parameter types.
6883 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6884 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6886 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6889 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6891 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6893 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6895 * doc/tm.texi (TARGET_HELP): Fix return type.
6897 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6898 in braces. Fix argument types.
6900 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6902 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6904 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6906 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6907 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6909 (TARGET_MANGLE_TYPE): Fix argument types.
6911 (TARGET_IRA_COVER_CLASSES): Use prototype.
6913 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6915 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6917 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6919 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6921 (TARGET_CALLEE_COPIES): Fix argument types.
6923 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6925 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6927 (TARGET_FUNCTION_VALUE): Fix argument types.
6929 (TARGET_RETURN_IN_MSB): Fix argument type.
6931 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6933 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6935 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6937 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6938 agree with return type.
6940 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6942 2010-01-15 Jing Yu <jingyu@google.com>
6944 PR rtl-optimization/42691
6945 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6946 a pseudo to a constant and are merged, and adjust comments.
6948 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6950 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6952 2010-01-15 Richard Guenther <rguenther@suse.de>
6955 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6956 labels of computed or non-local gotos to the destination.
6957 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6958 landing pad label is the first label.
6960 2010-01-15 Richard Guenther <rguenther@suse.de>
6962 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6964 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6967 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6968 to allow generation of the xssqrtdp instruction on power7.
6969 (sqrtdf2_fpr): Ditto.
6971 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6974 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6975 functions with noreturn attribute.
6978 * varasm.c (declare_weak): Add weak attribute to decl if it
6979 doesn't have one already.
6980 (assemble_external): Only add decls to weak_decls if they also
6981 have weak attribute.
6983 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6985 * var-tracking.c (var_reg_delete): Don't delete the association
6986 between REGs and values or one-part variables if the register
6989 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6992 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6993 because its first operand is a non-localized variable.
6995 2010-01-14 Martin Jambor <mjambor@suse.cz>
6997 PR tree-optimization/42706
6998 * tree-sra.c (encountered_recursive_call): New variable.
6999 (encountered_unchangable_recursive_call): Likewise.
7000 (sra_initialize): Initialize both new variables.
7001 (callsite_has_enough_arguments_p): New function.
7002 (scan_function): Call decl and flags check only for IPA-SRA, check
7003 whether there is a recursive call and whether it has enough arguments.
7004 (all_callers_have_enough_arguments_p): New function.
7005 (convert_callers): Look for recursive calls only when
7006 encountered_recursive_call is set.
7007 (ipa_early_sra): Bail out either if
7008 !all_callers_have_enough_arguments_p or
7009 encountered_unchangable_recursive_call.
7011 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7013 * sel-sched.c: Add 2010 to copyright years.
7014 * sel-sched-ir.c: Likewise.
7015 * sel-sched-ir.h: Likewise.
7017 2010-01-14 Martin Jambor <mjambor@suse.cz>
7019 PR tree-optimization/42714
7020 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7021 constructors specially.
7023 2010-01-14 Andi Kleen <ak@linux.intel.com>
7025 * config/i386/drivers-i386.c (detect_caches_intel):
7026 Add l2sizekb parameter and fill in.
7027 (host_detect_local_cpu): Add l2sizekb, fill in.
7028 Add Atom small cache heuristic.
7030 2010-01-14 Andi Kleen <ak@linux.intel.com>
7032 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7033 Add level3 parameter and fill in.
7034 (detect_caches_intel): Handle level3 cache.
7036 2010-01-14 Andi Kleen <ak@linux.intel.com>
7038 * config/i386/drivers-i386.c (host_detect_local_cpu):
7039 Fix core duo detection.
7041 2010-01-14 Andi Kleen <ak@linux.intel.com>
7043 * config/i386/drivers-i386.c (host_detect_local_cpu):
7046 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7048 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7049 (rs6000_variable_issue_1): this. Use...
7050 (rs6000_variable_issue): here. Reimplement. Print debug info.
7052 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7054 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7055 sel_restore_notes. Update all callers. Call reemit_notes
7058 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7060 PR rtl-optimization/42246
7061 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7064 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7066 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7067 all successors is the same as number of successors in current region.
7069 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7071 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7072 to rename is not separable. Otherwise check that its LHS is not NULL.
7074 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7076 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7078 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7080 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7081 available registers when failed to discover LHS register class.
7082 Fix indentation. Update comment.
7084 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7085 Alexander Monakov <amonakov@ispras.ru>
7087 PR rtl-optimization/42389
7088 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7090 (advance_state_on_fence): Likewise.
7091 (sel_target_adjust_priority): Print debug output only when
7092 sched_verbose >= 4, not 2.
7093 (get_expr_cost): Do not issue all unique insns on the next cycle.
7094 (fill_insns): Initialize can_issue_more from the value saved
7096 * sel-sched-ir.c (flist_add): New parameter issue_more.
7097 Init FENCE_ISSUE_MORE with it.
7098 (merge_fences): Likewise.
7099 (init_fences): Update call to flist_add.
7100 (add_to_fences, add_clean_fence_to_fences)
7101 (add_dirty_fence_to_fences): Likewise.
7102 (move_fence_to_fences): Update call to merge_fences.
7103 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7105 * sel-sched-ir.h (struct _fence): New field issue_more.
7106 (FENCE_ISSUE_MORE): New accessor macro.
7108 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7110 PR rtl-optimization/42388
7111 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7112 that have no predecessors nor successors. Do not call move_bb_info
7113 for empty blocks outside of current region.
7115 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7117 PR rtl-optimization/42294
7118 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7119 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7120 originators' originators.
7122 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7124 PR rtl-optimization/39453
7125 PR rtl-optimization/42246
7126 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7128 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7130 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7131 Alexander Monakov <amonakov@ispras.ru>
7134 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7135 (maybe_tidy_empty_bb): ... here. Make static. Add new
7136 argument. Update all callers.
7137 (tidy_control_flow): ... and here. Recompute topological order
7138 of basic blocks in region if necessary.
7139 (sel_redirect_edge_and_branch): Change return type. Return true
7140 if topological order might have been invalidated.
7141 (purge_empty_blocks): Export and move from...
7142 * sel-sched.c (purge_empty_blocks): ... here.
7143 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7144 (maybe_tidy_empty_bb): Delete prototype.
7145 (purge_empty_blocks): Declare.
7147 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7149 PR rtl-optimization/42249
7150 * sel-sched.c (try_replace_dest_reg): When chosen register
7151 and original register is the same, do not bail out early, but
7152 still check all original insns for validity of replacing destination
7153 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7156 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7159 Port from no-undefined-overflow branch:
7160 2009-03-09 Richard Guenther <rguenther@suse.de>
7162 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7164 2010-01-14 Richard Guenther <rguenther@suse.de>
7167 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7169 2010-01-14 Ira Rosen <irar@il.ibm.com>
7171 PR tree-optimization/42709
7172 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7173 as scalar type in creation of constant vector operand.
7175 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7178 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7179 (check-parallel-%): Match `testsuite' directory component only
7182 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7184 PR translation/39521
7185 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7188 2010-01-13 Richard Guenther <rguenther@suse.de>
7190 PR tree-optimization/42730
7191 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7194 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7197 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7198 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7201 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7203 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7204 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7205 ___umulsi3_highpart.
7207 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7208 rather than schedule_insns if the pass is enabled.
7210 2010-01-13 Martin Jambor <mjambor@suse.cz>
7212 PR tree-optimization/42704
7213 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7216 2010-01-13 Martin Jambor <mjambor@suse.cz>
7218 PR tree-optimization/42703
7219 * tree-sra.c (analyze_access_subtree): Check that we can build a
7220 reference to the original data within the aggregate.
7222 2010-01-13 Richard Guenther <rguenther@suse.de>
7224 PR tree-optimization/42705
7225 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7227 2010-01-13 Richard Guenther <rguenther@suse.de>
7230 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7232 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7235 * var-tracking.c (values_to_unmark): New variable.
7236 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7237 values_to_unmark vector. Moved body to...
7238 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7239 instead queue it into values_to_unmark vector.
7240 (vt_find_locations): Free values_to_unmark vector.
7242 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7244 * config/s390/s390.c (override_options): Set
7245 default of max-pending-list-length to 256
7247 2010-01-13 Richard Guenther <rguenther@suse.de>
7250 * tree-pass.h (PROP_gimple_lcx): New.
7251 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7252 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7253 before the final cleanup_eh.
7254 (dump_properties): Dump PROP_gimple_lcx.
7255 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7256 (tree_lower_complex_O0): Remove.
7257 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7258 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7259 tree_lower_complex, schedule TODO_update_ssa.
7260 * lto-streamer-out.c (output_function): Stream the functions
7262 * lto-streamer-in.c (input_function): Likewise.
7263 (lto_read_body): Do not override them here.
7265 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7268 * c-typeck.c (build_c_cast): Fold value cast to union type before
7269 wrapping it in a CONSTRUCTOR.
7271 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7273 PR rtl-optimization/42699
7274 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7277 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7279 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7280 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7281 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7282 SUBTARGET_WARN_UNUSED_SPEC): ... here
7283 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7285 2010-01-12 Julian Brown <julian@codesourcery.com>
7287 * config/arm/neon-schedgen.ml (Utils): Don't try to
7288 open missing module.
7289 (find_with_result): New.
7291 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7294 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7295 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7297 PR tree-optimization/42645
7298 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7299 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7300 decl_map, set processing_debug_stmt to -1 and return name without
7303 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7305 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7306 binutils version, and reword target configuration description.
7308 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7310 * config/avr/avr.h (LINKER_NAME): Remove.
7312 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7315 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7316 that support VSX, warn for -mno-altivec if vsx is not disabled,
7319 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7320 Shujing Zhao <pearly.zhao@oracle.com>
7322 PR translation/42469
7323 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7324 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7325 character between option name and help text.
7326 * c.opt (imultilib): Likewise.
7328 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7330 * lto-streamer-out.c (output_unreferenced_globals): Output static
7333 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7335 PR rtl-optimization/42621
7336 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7337 optimizing for size.
7338 (duplicate_computed_gotos): Remove now-redundant check.
7340 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7343 * configure.ac: Save and restore LDFLAGS and LIBS
7344 * configure: Regenerate.
7346 2010-01-10 Richard Guenther <rguenther@suse.de>
7349 * builtins.c (fold_builtin_strlen): Add type argument and
7350 convert the resulting length to it.
7351 (fold_builtin_1): Adjust.
7353 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7355 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7356 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7358 (num_insns_constant_wide): Adjust for that change.
7360 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7363 * web.c (union_defs): Add used argument, to combine uses of
7365 (entry_register): Adjust type and tests of used argument.
7366 (web_main): Widen used for new use. Pass it to union_defs.
7367 * df.h (union_defs): Adjust prototype.
7369 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7372 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7373 uses in new incoming argument. Free body.
7374 (reset_debug_uses_in_loop): New.
7375 (analyze_insn_to_expand_var): Call the latter if the former found
7376 anything. Fix whitespace. Reject invalid dest overlaps before
7377 going through all insns in the loop.
7379 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7382 * haifa-sched.c (dying_use_p): Debug insns don't count.
7384 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7387 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7388 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7389 (verify_gimple_call): Reject LHS in noreturn calls.
7391 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7395 * tree-vect-loop-manip.c (adjust_info): New type.
7396 (adjust_vec): New pointer to vector.
7397 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7398 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7399 (slpeel_update_phis_for_duplicate_loop): Use them.
7400 (slpeel_update_phi_nodes_for_guard1): Likewise.
7401 (slpeel_update_phi_nodes_for_guard2): Likewise.
7402 (slpeel_tree_peel_loop_to_edge): Likewise.
7403 (vect_update_ivs_after_vectorizer): Likewise.
7405 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7407 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7408 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7410 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7412 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7413 bogus uninitialized warning.
7415 2010-01-09 Richard Guenther <rguenther@suse.de>
7418 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7419 the evolution is compatible with the initial condition.
7421 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7423 * gcc.c (process_command): Update copyright notice dates.
7424 * gcov.c (print_version): Likewise.
7425 * gcov-dump.c (print_version): Likewise.
7426 * mips-tfile.c (main): Likewise.
7427 * mips-tdump.c (main): Likewise.
7429 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7432 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7434 (rotlhi3_8): Delete.
7436 (rotlsi3_8): Delete.
7437 (rotlsi3_16): Delete.
7438 (rotlsi3_24): Delete.
7440 (*rotw<mode>3): New.
7441 (*rotb<mode>3): New.
7442 * config/avr/avr.c (avr_rotate_bytes): New function.
7443 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7445 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7448 * configure.ac: Modify -rdynamic check.
7449 * configure: Regenerate.
7451 2010-01-08 DJ Delorie <dj@redhat.com>
7453 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7454 register popping order.
7456 2010-01-08 Richard Guenther <rguenther@suse.de>
7459 * c.opt (fsigned-char): Also let LTO handle this option.
7460 (funsigned-char): Likewise.
7462 2010-01-07 Richard Guenther <rguenther@suse.de>
7464 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7465 (gimple_op): Likewise.
7466 (gimple_op_ptr): Likewise.
7467 (gimple_assign_set_lhs): Remove gcc_assert.
7468 (gimple_assign_set_rhs1): Likewise.
7469 (gimple_assign_set_rhs2): Likewise.
7470 (gimple_call_set_lhs): Likewise.
7471 (gimple_call_set_fn): Likewise.
7472 (gimple_call_set_fndecl): Likewise.
7473 (gimple_call_fndecl): Likewise.
7474 (gimple_call_return_type): Likewise.
7475 (gimple_call_set_chain): Likewise.
7476 (gimple_call_num_args): Likewise.
7477 (gimple_call_set_arg): Likewise.
7478 (gimple_cond_set_code): Likewise.
7479 (gimple_cond_set_lhs): Likewise.
7480 (gimple_cond_set_rhs): Likewise.
7481 (gimple_cond_set_true_label): Likewise.
7482 (gimple_cond_set_false_label): Likewise.
7483 (gimple_label_set_label): Likewise.
7484 (gimple_goto_set_dest): Likewise.
7485 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7486 (gimple_debug_bind_get_value): Likewise.
7487 (gimple_debug_bind_get_value_ptr): Likewise.
7488 (gimple_debug_bind_set_var): Likewise.
7489 (gimple_debug_bind_set_value): Likewise.
7490 (gimple_debug_bind_reset_value): Likewise.
7491 (gimple_debug_bind_has_value_p): Likewise.
7492 (gimple_return_retval_ptr): Remove gcc_assert.
7493 (gimple_return_retval): Likewise.
7494 (gimple_return_set_retval): Likewise.
7495 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7496 (safe_referenced_var_iterator): Remove.
7497 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7498 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7499 (fill_referenced_var_vec): Remove.
7500 (first_readonly_imm_use): Remove redundant gcc_assert.
7501 (phi_arg_index_from_use): Combine gcc_asserts.
7502 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7503 (first_imm_use_stmt): Remove redundant gcc_assert.
7504 * tree-cfg.c (verify_gimple_call): Verify function and chain
7505 operands. Verify arguments.
7506 (verify_types_in_gimple_stmt): Verify condition code and labels.
7508 2010-01-07 Richard Guenther <rguenther@suse.de>
7510 PR tree-optimization/42641
7511 * sese.c (rename_map_elt_info): Use the SSA name version, do
7514 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7516 PR tree-optimization/42625
7517 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7518 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7520 2010-01-07 Duncan Sands <baldrick@free.fr>
7522 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7524 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7527 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7528 note itself is not function_invariant_p.
7530 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7532 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7533 Do not add the DF_NOTE problem.
7534 * store-motion.c (execute_rtl_store_motion): Likewise.
7536 2010-01-07 Martin Jambor <mjambor@suse.cz>
7538 PR tree-optimization/42157
7539 * tree-sra.c (compare_access_positions): Stabilize sort if both
7540 accesses have integer types, return zero immediately if they are the
7543 2010-01-06 Richard Henderson <rth@redhat.com>
7546 * haifa-sched.c (add_to_note_list): Merge into ...
7547 (concat_note_lists): ... here, and ...
7548 (unlink_other_notes, rm_other_notes): Merge into...
7549 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7550 NOTE_INSN_EPILOGUE_BEG.
7552 2010-01-06 Richard Guenther <rguenther@suse.de>
7554 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7555 not inline regular functions into always-inline functions.
7557 2010-01-06 Nick Clifton <nickc@redhat.com>
7559 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7560 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7562 (OVERRIDE_OPTIONS): Delete.
7563 (OPTIMIZATION_OPTIONS): Define.
7564 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7565 * config/rx/rx.c (rx_handle_option): Issue an error message if
7566 -mcpu=rx200 and -fpu are used together.
7567 (rx_set_optimization_options): New function. Issue an error
7568 message if an optimization attribute attempts to reset the FPU/
7569 math optimization pairing.
7570 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7571 * config/rx/rx.opt: Set the default to 32-bit doubles.
7572 * config/rx/t-rx: Add multilibs for -nofpu option.
7573 * doc/invoke.texi: Update documentation of RX options.
7575 2010-01-06 Richard Guenther <rguenther@suse.de>
7577 * tree-ssa-pre.c (name_to_id): New global.
7578 (alloc_expression_id): Simplify SSA name handling.
7579 (lookup_expression_id): Likewise.
7580 (init_pre): Zero name_to_id.
7581 (fini_pre): Free it.
7583 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7585 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7587 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7590 * config/i386/sse.md (smaxv2di3): New.
7591 (umaxv2di3): Likewise.
7592 (sminv2di3): Likewise.
7593 (uminv2di3): Likewise.
7595 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7598 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7599 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7600 (legitimize_tls_address): Likewise.
7601 (sparc_tls_referenced_p): Likewise.
7602 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7603 and adjust calls to legitimize_pic_address.
7604 (legitimate_constant_p) Use sparc_tls_referenced_p.
7605 (legitimate_pic_operand_p): Likewise.
7606 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7607 (sparc_tls_symbol_ref_1): Delete.
7608 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7609 (legitimize_tls_address): Make static, handle CONST patterns.
7610 (legitimize_pic_address): Make static, remove unused parameter and
7611 adjust recursive calls.
7612 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7613 and adjust call to legitimize_pic_address.
7614 (sparc_output_mi_thunk): Likewise.
7616 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7617 H.J. Lu <hongjiu.lu@intel.com>
7620 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7621 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7622 operands to make them signed.
7625 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7628 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7629 GTU to GT for V4SI and V2DI.
7631 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7632 (umin<mode>3): Removed.
7634 (uminv4si3): Likewise.
7636 2010-01-05 Martin Jambor <mjambor@suse.cz>
7638 PR tree-optimization/42462
7639 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7640 current_function_decl to helper functions and macros.
7642 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7645 * flags.h: Don't include real.h.
7646 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7647 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7648 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7649 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7650 * dominance.c: Update copyright.
7651 * gimple.c (walk_gimple_op): Remove inline.
7652 * tree-ssa-reassoc.c: Include real.h.
7653 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7654 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7656 2010-01-05 Nick Clifton <nickc@redhat.com>
7658 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7659 register to push into the stack frame when the accumulator has to
7660 be saved during interrupts.
7662 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7664 * doc/invoke.texi: Remove the documentation about option
7666 * common.opt (Wunreachable-code): Preserved for backward
7668 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7669 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7670 the backward compatibility flag section.
7672 2010-01-05 Richard Guenther <rguenther@suse.de>
7674 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7676 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7679 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7681 PR tree-optimization/42508
7682 * tree-sra.c (convert_callers): Check for recursive call
7683 by comparing cgraph nodes instead of decls.
7684 (modify_function): Call ipa_modify_formal_parameters also
7685 on all same_body aliases.
7687 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7688 cgraph nodes when checking for same_body aliases.
7690 2010-01-05 Richard Guenther <rguenther@suse.de>
7692 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7693 allocation and lookup.
7694 (get_or_alloc_expr_for_constant): Likewise.
7695 (phi_translate): Sink allocation.
7697 2010-01-04 Richard Guenther <rguenther@suse.de>
7699 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7700 a new entry only if needed.
7701 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7702 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7704 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7706 (phi_translate): Handle CONSTANTs early.
7708 2010-01-04 Martin Jambor <mjambor@suse.cz>
7710 PR tree-optimization/42398
7711 * tree-sra.c (struct access): Removed flag grp_different_types.
7712 (dump_access): Do not dump the removed flag.
7713 (sort_and_splice_var_accesses): Do not set the removed flag.
7714 (sra_modify_expr): Check for type compatibility directly.
7716 2010-01-04 Martin Jambor <mjambor@suse.cz>
7718 PR tree-optimization/42366
7719 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7720 edges with variable number of parameters.
7721 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7722 flag instead of asserting it.
7723 (ipa_read_node_info): Read uses_analysis_done flag.
7725 2010-01-04 Richard Guenther <rguenther@suse.de>
7727 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7728 iterative_hash_* as intended.
7729 (vn_reference_compute_hash): Likewise. Simplify hashing
7731 (vn_reference_lookup_2): Likewise.
7732 (vn_nary_op_compute_hash): Likewise.
7733 (vn_phi_compute_hash): Likewise.
7734 (expressions_equal_p): Remove strange code.
7735 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7736 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7737 (bitmap_insert_into_set_1): Take value-id as parameter.
7738 (add_to_value): Pass it.
7739 (bitmap_insert_into_set): Likewise.
7740 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7742 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7745 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7746 (do_self_spec): For switches with SWITCH_IGNORE set set also
7747 SWITCH_IGNORE_PERMANENTLY.
7748 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7751 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7753 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7754 tree of an unreferenced global var.
7756 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7759 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7760 GTU to GT for V4SI and V2DI.
7762 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7763 (umin<mode>3): Removed.
7765 (uminv4si3): Likewise.
7767 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7770 * collect2.c (main): Turn on trace in collect2 if -v is passed
7773 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7775 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7776 description of expression operand.
7778 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7780 * configure.ac: Add install-html to target_list for Make-hooks.
7781 * configure: Regenerate.
7782 * fortran/Make-lang.in (F95_HTMLFILES): New.
7783 (fortran.html): Use it.
7784 (fortran.install-html): New.
7785 * Makefile.in (install-html): Add lang.install-html.
7786 * java/Make-lang.in (JAVA_HTMLFILES): New.
7787 (java.html): Use it.
7788 (java.install-html): New.
7789 * objc/Make-lang.in (objc.install-html): New.
7790 * objcp/Make-lang.in (obj-c++.install-html): New.
7791 * cp/Make-lang.in (c++.install-html): New.
7792 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7793 * lto/Make-lang.in (lto.install-html): New.
7795 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7798 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7800 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7802 PR rtl-optimization/41862
7803 * store-motion.c (store_killed_in_insn, compute_store_table,
7804 remove_reachable_equiv_notes, replace_store_insn,
7805 build_store_vectors): Ignore all DEBUG_INSNs.
7807 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7810 * common.opt: Add dumpdir.
7812 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7814 (option_map): Add --dumpdir.
7816 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7818 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7820 * opts.c (decode_options): Try dump_dir_name first if
7821 dump_base_name isn't an absolute path.
7822 (common_handle_option): Handle OPT_dumpdir.
7824 * toplev.c (dump_dir_name): New.
7825 (print_switch_values): Also ignore -dumpdir.
7827 * toplev.h (dump_dir_name): New.
7829 2010-01-03 Richard Guenther <rguenther@suse.de>
7831 PR tree-optimization/42589
7832 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7833 double-word expansion of bswap32.
7835 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7837 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7838 with BLOCK_FOR_INSN.
7839 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7840 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7841 noce_process_if_block): Likewise.
7842 * gcse.c (compute_local_properties, insert_expr_in_table,
7843 insert_set_in_table, canon_list_insert, find_avail_set,
7844 pre_insert_copy_insn): Likewise.
7846 * basic-block.h (BLOCK_NUM): Move from here...
7847 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7849 2010-01-03 Richard Guenther <rguenther@suse.de>
7851 PR tree-optimization/42438
7852 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7853 contains_may_not_return_call flag.
7854 (BB_MAY_NOTRETURN): New.
7855 (valid_in_sets): Trapping nary operations are not valid
7856 in blocks that may not return.
7857 (insert_into_preds_of_block): Remove check for trapping expressions.
7858 (compute_avail): Compute also BB_MAY_NOTRETURN.
7860 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7862 * doc/invoke.texi: Add 2010 to copyright years.
7864 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7866 * config/sparc/sparc.c: Fix formatting nits.
7868 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7869 Alexander Monakov <amonakov@ispras.ru>
7871 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7873 2010-01-02 Richard Guenther <rguenther@suse.de>
7876 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7877 (simplify_switch_using_ranges): Mark to be removed edges
7880 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7882 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7884 * collect2.c (scan_libraries): Add missing argument in call to
7887 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7890 * config/alpha/predicates.md (aligned_memory_operand): Return false
7892 (unaligned_memory_operand): Return true for CQImode.
7893 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7894 doesn not cross aligned SImode word boundary.
7896 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7898 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7900 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7901 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7903 2010-01-02 Richard Guenther <rguenther@suse.de>
7906 * toplev.c (compile_file): Emit LTO marker properly. Change
7908 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7910 2010-01-01 Richard Guenther <rguenther@suse.de>
7913 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7915 2010-01-01 Richard Guenther <rguenther@suse.de>
7918 * c-decl.c (grokdeclarator): For zero-size arrays force
7919 structural equality checks as layout_type does.
7921 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7923 * builtins.c: Update copyright to 2010.
7925 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7928 * lto-streamer-out.c (produce_asm): Revert the last change.
7929 (copy_function): Likewise.
7931 * lto-streamer.c (lto_get_section_name): Skip any leading
7934 2010-01-01 Richard Guenther <rguenther@suse.de>
7937 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7941 Copyright (C) 2010 Free Software Foundation, Inc.
7943 Copying and distribution of this file, with or without modification,
7944 are permitted in any medium without royalty provided the copyright
7945 notice and this notice are preserved.