1 2010-04-30 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-structalias.c (get_constraint_for_1): Generate
4 constraints for CONSTRUCTOR.
6 2010-04-30 Richard Guenther <rguenther@suse.de>
9 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
10 first after all lowering passes.
12 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
14 * toplev.c: Include varray.h for statistics dumping.
15 * tree.h: Do not declare varray_head_tag.
16 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
17 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
18 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
19 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
20 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
21 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
22 c-common.c, c-common.h, reg-stack.c, basic-block.h,
23 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
25 * Makefile.in: Update for abovementioned changes.
27 2010-04-30 Jakub Jelinek <jakub@redhat.com>
30 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
32 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
34 * config/picochip/picochip.c (picochip_legitimize_address): Define.
35 Use this function to do machine-specific conversion.
36 (picochip_legitimize_reload_address): Likewise.
37 (picochip_legitimate_address_p): Check valid base register only if
39 (picochip_check_conditional_copy): Check for modw only if opnd is
41 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
42 to call the function in c.
43 * config/picochip/picochip-protos.h
44 (picochip_legitimize_reload_address): Define.
45 * config/picochip/picochip.md (supported_compare1): Define.
47 2010-04-30 Jan Hubicka <jh@suse.cz>
49 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
50 (cgraph_global_info): Remove inlined.
51 (LTO_cgraph_tag_names): Remove.
52 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
53 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
54 simplify cgraph tags and document.
55 (lto_output_node): Use only LTO_cgraph_unavail_node and
56 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
57 for_functions_valid, global info, process and output
59 (input_overwrite_node): Initialize estimated stack size and
61 Do not read flags we no longer store.
62 (input_node): Likewise do not read info no longer stored.
63 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
66 2010-04-30 Richard Guenther <rguenther@suse.de>
68 PR tree-optimization/43879
69 * tree-ssa-structalias.c (get_constraint_for_1): Properly
70 handle non-zero initializers.
72 2010-04-30 Richard Guenther <rguenther@suse.de>
74 * builtins.c (fold_builtin_1): Delete free (0).
76 2010-04-29 Jan Hubicka <jh@suse.cz>
78 * gengtype.c (open_base_files): Add lto-streamer.h
79 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
80 (pass_ipa_cp): GGC collect.
81 * toplev. (compile_file): Do not output symbols.
82 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
83 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
84 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
85 * lto-section-in.c: Include ggc.h
86 (lto_new_in_decl_state): Alloc in GGC.
87 (lto_delete_in_decl_state): Likewise.
88 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
90 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
93 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
94 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
95 (HONOR_REG_ALLOC_ORDER): Describe new macro.
96 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
97 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
98 account only if HONOR_REG_ALLOC_ORDER is not defined.
99 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
100 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
102 2010-04-29 Jon Grant <04@jguk.org>
104 * collect2.c (vflag): Change type from int to bool.
106 (helpflag): New global bool.
107 (main): Set vflag and debug with boolean, not integer truth
108 values. Accept new "--help" option and output usage text if
110 * collect2.h (vflag): Update prototype.
113 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
116 * plugin.h (flag_plugin_added): Moved out of
117 invoke_plugin_callbacks.
119 2010-04-29 Richard Guenther <rguenther@suse.de>
122 * plugin.h (invoke_plugin_callbacks): Annotate arguments
123 with ATTRIBUTE_UNUSED.
125 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
128 * config/i386/i386.c (get_some_local_dynamic_name): Replace
129 INSN_P with NONDEBUG_INSN_P.
130 (distance_non_agu_define): Likewise.
131 (distance_agu_use): Likewise.
133 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
135 From Dominique d'Humieres <dominiq@lps.ens.fr>
137 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
140 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
142 * plugin.h (invoke_plugin_callbacks): New inline function.
143 * plugin.c (flag_plugin_added): New global flag.
144 (add_new_plugin): Initialize above flag.
145 (invoke_plugin_callbacks): Rename to ...
146 (invoke_plugin_callbacks_full): ... this.
148 2010-04-28 Jan Hubicka <jh@suse.cz>
150 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
151 (lto_varpool_replace_node): New.
152 (lto_symtab_resolve_symbols): Resolve varpool nodes.
153 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
154 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
155 * cgraph.h (varpool_node_ptr): New type.
156 (varpool_node_ptr): New vector.
157 (varpool_node_set_def): New structure.
158 (varpool_node_set): New type.
159 (varpool_node_set): New vector.
160 (varpool_node_set_element_def): New structure.
161 (varpool_node_set_element, const_varpool_node_set_element): New types.
162 (varpool_node_set_iterator): New type.
163 (varpool_node): Add prev pointers, add used_from_other_partition,
165 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
166 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
167 varpool_get_node, varpool_remove_node): Declare.
168 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
169 varpool_node_set_size): New inlines.
170 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
171 * tree-pass.h (varpool_node_set_def): Forward declare.
172 (ipa_opt_pass_d): Summary writting takes vnode sets too.
173 (ipa_write_optimization_summaries): Update prototype.
174 * ipa-cp.c (ipcp_write_summary): Update.
175 * ipa-reference.c (ipa_reference_write_summary): Update.
176 * lto-cgraph.c (lto_output_varpool_node): New static function.
177 (output_varpool): New function.
178 (input_varpool_node): New static function.
179 (input_varpool_1): New function.
180 (input_cgraph): Input varpool.
181 * ipa-pure-const.c (pure_const_write_summary): Update.
182 * lto-streamer-out.c (lto_output): Update, output varpool too.
183 (write_global_stream): Kill WPA hack.
184 (produce_asm_for_decls): Update.
185 (output_alias_pair_p): Handle variables.
186 (output_unreferenced_globals): Output only needed partition of varpool.
187 * ipa-inline.c (inline_write_summary): Update.
188 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
189 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
190 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
191 varpool_node_set_new, varpool_node_set_add,
192 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
193 debug_varpool_node_set): New functions.
194 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
195 (execute_one_pass): Process new decls too.
196 (ipa_write_summaries_2): Pass around vsets.
197 (ipa_write_summaries_1): Likewise.
198 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
200 (ipa_write_optimization_summaries_1): Pass around vsets.
201 (ipa_write_optimization_summaries): Likewise.
202 * varpool.c (varpool_get_node): New.
203 (varpool_node): Update doubly linked lists.
204 (varpool_remove_node): New.
205 (dump_varpool_node): More dumping.
206 (varpool_enqueue_needed_node): Update doubly linked lists.
207 (decide_is_variable_needed): Kill ltrans hack.
208 (varpool_finalize_decl): Kill lto hack.
209 (varpool_assemble_decl): Skip decls in other partitions.
210 (varpool_assemble_pending_decls): Update doubly linkes lists.
211 (varpool_empty_needed_queue): Likewise.
212 (varpool_extra_name_alias): Likewise.
213 * lto-streamer.c (lto_get_section_name): Add vars section.
214 * lto-streamer.h (lto_section_type): Update.
215 (output_varpool, input_varpool): Declare.
217 2010-04-28 Mike Stump <mikestump@comcast.net>
219 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
221 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
223 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
224 record or union type with RECORD_OR_UNION_TYPE_P predicate.
225 (lto_input_ts_type_tree_pointers): Likewise.
226 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
227 (lto_output_ts_type_tree_pointers): Likewise.
229 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
231 Uniquization of constants at the Tree level
232 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
233 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
235 (tree_output_constant_def): Declare.
236 * gimplify.c (gimplify_init_constructor): When using block copy, first
237 uniquize the constant constructor on the RHS.
238 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
239 DECL_IN_CONSTANT_POOL flag.
240 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
241 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
243 (assemble_variable): Deal with symbols belonging to the tree constant
245 (get_constant_section): Add ALIGN parameter and simplify.
246 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
247 (assemble_constant_contents): Use the expression of the VAR_DECL.
248 (output_constant_def_contents): Use the alignment of the VAR_DECL.
249 (tree_output_constant_def): New global function.
250 (mark_constant): Use the expression of the VAR_DECL.
251 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
253 (output_object_block): Likewise and assemble the expression.
255 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
257 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
258 hash_tree, eq_tree): New tree hash table.
259 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
260 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
261 lto_orig_address_remove): Reimplement.
263 2010-04-28 Xinliang David Li <davidxl@google.com>
266 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
267 (compute_uninit_opnds_pos): New function.
268 (is_non_loop_exit_postdominating): New function.
269 (compute_control_dep_chain): New function.
270 (find_pdom): New function.
271 (convert_control_dep_chain_into_preds): New function.
272 (find_predicates): New function.
273 (find_control_equiv_block): New function.
274 (collect_phi_def_edges): New function.
275 (find_def_preds): New function.
276 (find_dom): New function.
277 (dump_predicates): New function.
278 (get_cmp_code): New function.
279 (is_value_included_in): New function.
280 (find_matching_predicate_in_rest_chains): New function.
281 (use_pred_not_overlap_with_undef_path_pred): New function.
282 (is_use_properly_guarded): New function.
283 (normalize_cond_1): New function.
284 (is_and_or_or): New function.
285 (normalize_cond): New function.
286 (is_gcond_subset_of): New function.
287 (is_subset_of_any): New function.
288 (is_or_set_subset_of): New function.
289 (is_and_set_subset_of): New function.
290 (is_norm_cond_subset_of): New function.
291 (is_pred_expr_subset_of): New function.
292 (is_pred_chain_subset_of): New function.
293 (is_included_in): New function.
294 (is_superset_of): New function.
295 (find_uninit_use): New function.
296 (warn_uninitialized_phi): New function.
297 (compute_possibly_undefined_names): New function.
298 (ssa_undefined_value_p): New function.
299 (execute_late_warn_uninitialized): New function.
300 * tree-ssa.c (ssa_undefined_value_p): Removed.
301 (warn_uninit): Changed to extern.
302 (warn_uninitialized_phi): Removed.
303 (warn_uninitialized_vars): Changed to extern.
304 (execute_late_warn_uninitialized): Removed
305 * tree-flow.h: Add new prototypes.
306 * timevar.def: Add new time variable.
307 * Makefile.in: Add new build file.
309 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
311 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
314 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
317 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
319 2010-04-28 Martin Jambor <mjambor@suse.cz>
321 * cgraph.h (struct cgraph_node): New field indirect_calls.
322 (struct cgraph_indirect_call_info): New type.
323 (struct cgraph_edge): Removed field indirect_call. New fields
324 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
325 (cgraph_create_indirect_edge): Declare.
326 (cgraph_make_edge_direct): Likewise.
327 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
328 * ipa-prop.h (struct ipa_param_call_note): Removed.
329 (struct ipa_node_params): Removed field param_calls.
330 (ipa_create_all_structures_for_iinln): Declare.
331 * cgraph.c: Described indirect edges and uids in initial comment.
332 (cgraph_add_edge_to_call_site_hash): New function.
333 (cgraph_edge): Search also among the indirect edges, use
334 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
335 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
336 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
338 (initialize_inline_failed): Assign a reason to indirect edges.
339 (cgraph_create_edge_1): New function.
340 (cgraph_create_edge): Moved some functionality to
341 cgraph_create_edge_1.
342 (cgraph_create_indirect_edge): New function.
343 (cgraph_edge_remove_callee): Add an assert checking for
345 (cgraph_edge_remove_caller): Special-case indirect edges.
346 (cgraph_remove_edge): Likewise.
347 (cgraph_set_edge_callee): New function.
348 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
349 (cgraph_make_edge_direct): New function.
350 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
351 the declaration of the call statement matches.
352 (cgraph_node_remove_callees): Special-case indirect edges.
353 (cgraph_clone_edge): Likewise.
354 (cgraph_clone_node): Clone also the indirect edges.
355 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
356 indirect_call, dump count of indirect_calls edges.
357 * ipa-prop.c (iinlining_processed_edges): New variable.
358 (ipa_note_param_call): Create indirect edges instead of
359 creating notes. New parameter node.
360 (ipa_analyze_call_uses): New parameter node, pass it on to
362 (ipa_analyze_stmt_uses): Likewise.
363 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
364 (print_edge_addition_message): Work on edges rather than on notes.
365 (update_call_notes_after_inlining): Likewise, renamed to
366 update_indirect_edges_after_inlining.
367 (ipa_create_all_structures_for_iinln): New function.
368 (ipa_free_node_params_substructures): Do not free notes.
369 (ipa_edge_duplication_hook): Propagate bits within
370 iinlining_processed_edges bitmap.
371 (ipa_node_duplication_hook): Do not duplicate notes.
372 (free_all_ipa_structures_after_ipa_cp): Renamed to
373 ipa_free_all_structures_after_ipa_cp.
374 (free_all_ipa_structures_after_iinln): Renamed to
375 ipa_free_all_structures_after_iinln.g
376 (ipa_write_param_call_note): Removed.
377 (ipa_read_param_call_note): Removed.
378 (ipa_write_indirect_edge_info): New function.
379 (ipa_read_indirect_edge_info): Likewise.
380 (ipa_write_node_info): Do not stream notes, do stream information
382 (ipa_read_node_info): Likewise.
383 (lto_ipa_fixup_call_notes): Removed.
384 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
385 * ipa-inline.c (pass_ipa_inline): Likewise.
386 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
387 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
388 * tree-inline.c (copy_bb): Removed an unnecessary double check for
390 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
392 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
393 (output_cgraph): Stream also indirect edges.
394 (lto_output_edge): Added capability to stream indirect edges.
395 (input_edge): Likewise.
396 (input_cgraph_1): Likewise.
397 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
400 2010-04-28 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/43879
403 PR tree-optimization/43909
404 * tree-ssa-structalias.c (struct variable_info): Add
405 only_restrict_pointers flag.
406 (new_var_info): Initialize it. Increment stats.total_vars here.
407 (create_function_info_for): Do not increment stats.total_vars
409 (get_function_part_constraint): Fix build with C++.
410 (insert_into_field_list): Remove.
411 (push_fields_onto_fieldstack): Properly merge fields.
412 (create_variable_info_for): Split and simplify.
413 (create_variable_info_for_1): New piece.
414 (intra_create_variable_infos): Properly make restrict constraints
417 2010-04-28 Richard Guenther <rguenther@suse.de>
420 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
423 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
424 Jan Hubicka <hubicka@ucw.cz>
426 * doc/invoke.texi (-Wsuggest-attribute=const,
427 -Wsuggest-attribute=pure): Document.
428 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
429 (function_always_visible_to_compiler_p,
430 suggest_attribute, warn_function_pure, warn_function_const):
432 (check_call): Improve debug info.
433 (analyze_function): Do not check availability.
434 (add_new_function): Check availability.
435 (propagate): Output warnings.
436 (skip_function_for_local_pure_const): New function.
437 (local_pure_const): Use it; output warnings.
438 * common.opt (Wsuggest-attribute=const,
439 Wsuggest-attribute=pure): New.
441 2010-04-27 Jakub Jelinek <jakub@redhat.com>
443 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
444 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
445 or DW_CFA_def_cfa_offset{,_sf}.
447 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
449 * tree.h: Fix truncated long macros.
451 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
453 * collect2.c (TARGET_64BIT): Redefine to target's default.
455 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
456 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
457 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
458 for underscoring __USER_LABEL_PREFIX__.
459 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
460 (SUB_LINK_ENTRY32): New.
461 (SUB_LINK_ENTRY64): New.
462 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
463 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
464 (SUB_LINK_ENTRY64): New.
465 (SUB_LINK_ENTRY): New.
466 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
467 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
468 x64 target is choosen.
469 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
470 * configure: Regenerated.
471 * configure.ac (leading-mingw64-underscores): Option added.
473 2010-04-27 Jan Hubicka <jh@suse.cz>
475 * doc/invoke.texi (-fipa-profile): Document.
476 * opts.c (decode_options): Enable ipa-profile at -O1.
477 * timevar.def (TV_IPA_PROFILE): Define.
478 * common.opt (fipa-profile): Add.
479 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
481 (cgraph_propagate_frequency): Handle only local ones.
482 * tree-pass.h (pass_ipa_profile): Declare.
483 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
484 (pass_ipa_profile): Use TV_IPA_PROFILE.
485 * ipa.c (ipa_profile): New function.
486 (gate_ipa_profile): Likewise.
487 (pass_ipa_profile): New global variable.
488 * passes.c (pass_ipa_profile): New.
490 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
492 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
494 2010-04-27 Martin Jambor <mjambor@suse.cz>
497 * ipa.c (dissolve_same_comdat_group_list): New function.
498 (function_and_variable_visibility): Call
499 dissolve_same_comdat_group_list when comdat group contains external or
501 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
502 lists are circular and that they contain only DECL_ONE_ONLY nodes.
504 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
506 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
507 (const_hash_1) <VECTOR_CST>: New case.
508 (compare_constant) <VECTOR_CST>: Likewise.
509 <ADDR_EXPR>: Deal with LABEL_REFs.
510 (copy_constant) <VECTOR_CST>: New case.
512 2010-04-27 Jan Hubicka <jh@suse.cz>
514 * cgraph.c (cgraph_propagate_frequency): New function.
515 * cgraph.h (cgraph_propagate_frequency): Declare.
516 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
517 cgraph_propagate_frequency.
519 2010-04-27 Jakub Jelinek <jakub@redhat.com>
521 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
523 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
526 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
527 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
528 here to determine which regs to push and how much stack to reserve.
530 2010-04-27 Jie Zhang <jie@codesourcery.com>
532 * doc/gimple.texi (gimple_statement_with_ops): Remove
533 addresses_taken field.
534 (gimple_statement_with_memory_ops): Likewise.
536 2010-04-27 Jan Hubicka <jh@suse.cz>
538 * tree-inline.c (eni_inlining_weights): Remove.
539 (estimate_num_insns): Special case more builtins.
541 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
544 * c-typeck.c (build_binary_op): Move forward check for comparison
545 pointer with null pointer constant and adjust the diagnostic message.
547 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
550 * configure.ac (gcc_cv_as_section_has_align): Set if installed
551 binutils supports extended .section directive needed by LTO, or
552 warn if older binutils found.
553 (LTO_BINARY_READER): New AC_SUBST'd variable.
554 (LTO_USE_LIBELF): Likewise.
555 * gcc/config.gcc (lto_binary_reader): New target-specific configure
557 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
558 (LTO_USE_LIBELF): Likewise.
559 * configure: Regenerate.
561 * collect2.c (is_elf): Rename from this ...
562 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
563 object files in addition to ELF-formatted ones.
564 (scan_prog_file): Caller updated. Also allow for LTO info marker
565 symbol to be prefixed or not by an extra underscore.
567 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
568 * config/i386/winnt.c: Also #include lto-streamer.h
569 (i386_pe_asm_named_section): Specify 1-byte section alignment for
571 (i386_pe_asm_output_aligned_decl_common): Add comment.
572 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
574 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
577 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
578 Add missing earlyclobber for second alternative.
580 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
582 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
583 bits for artificial defs at the top of the block.
584 * fwprop.c (single_def_use_enter_block): Don't call it.
586 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
589 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
590 instead of "$gcc_cv_objdump -T".
591 Use "-undefined dynamic_lookup" on darwin.
592 * gcc/configure: Regenerate.
594 2010-04-26 Jakub Jelinek <jakub@redhat.com>
597 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
599 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
601 * c-parser.c (struct c_token): Move location field up.
602 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
603 (struct c_declspecs): Convert typespec_word, storage_class, and
604 default_int_p into bitfields.
605 (struct c_declarator): Move loc field up.
607 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
609 * cfgloop.h (struct loop): Move can_be_parallel field up.
610 * ipa-prop.h (struct ip_node_params): Move bitfields up.
611 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
613 (struct iv_cand): Convert pos field into a bitfield.
614 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
616 (struct _stmt_vec_info): Shuffle fields for better packing.
618 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
620 * varasm.c (IN_NAMED_SECTION): Remove guard.
621 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
622 (IN_NAMED_SECTION_P): ...this.
623 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
624 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
626 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
628 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
629 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
630 of shadowing it. Fix comments.
632 2010-04-26 Jan Hubicka <jh@suse.cz>
634 * cgraph.c (cgraph_create_node): Set node frequency to normal.
635 (cgraph_clone_node): Copy function frequency.
636 * cgraph.h (node_frequency): New enum
637 (struct cgraph_node): Add.
638 * final.c (rest_of_clean_state): Update.
639 * lto-cgraph.c (lto_output_node): Output node frequency.
640 (input_overwrite_node): Input node frequency.
641 * tre-ssa-loop-ivopts (computation_cost): Update.
642 * lto-streamer-out.c (output_function): Do not output function
644 * predict.c (maybe_hot_frequency_p): Update and handle functions
646 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
648 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
649 (compute_function_frequency): Set noreturn functions to be executed
651 (choose_function_section): Update.
652 * lto-streamer-in.c (input_function): Do not input function frequency.
653 * function.c (allocate_struct_function): Do not initialize function
655 * function.h (function_frequency): Remove.
656 (struct function): Remove function frequency.
657 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
658 (try_update): Update.
659 * tree-inline.c (initialize_cfun): Do not update function frequency.
660 * passes.c (pass_init_dump_file): Update.
661 * i386.c (ix86_compute_frame_layout): Update.
662 (ix86_pad_returns): Update.
664 2010-04-26 Jie Zhang <jie@codesourcery.com>
666 PR tree-optimization/43833
667 * tree-vrp.c (range_int_cst_p): New.
668 (range_int_cst_singleton_p): New.
669 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
670 when both operands are constants. Use range_int_cst_p in
673 2010-04-26 Jan Hubicka <jh@suse.cz>
675 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
677 2010-04-26 Richard Guenther <rguenther@suse.de>
680 * gimple.c (gimple_decl_printable_name): Deal gracefully
681 with a NULL DECL_NAME.
683 2010-04-26 Richard Guenther <rguenther@suse.de>
686 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
687 if emitting debug information and it is either a function
690 2010-04-26 Ira Rosen <irar@il.ibm.com>
692 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
693 determine if the statement is vectorizable, and a macro to access it.
694 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
695 Skip statements that can't be vectorized. If the analysis fails,
696 mark the statement as unvectorizable if vectorizing basic block.
697 (vect_compute_data_refs_alignment): Likewise.
698 (vect_verify_datarefs_alignment): Skip statements marked as
699 unvectorizable. Add print.
700 (vect_analyze_group_access): Skip statements that can't be
701 vectorized. If the analysis fails, mark the statement as
702 unvectorizable if vectorizing basic block.
703 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
704 * tree-vect-stmts.c (vectorizable_store): Fix the number of
705 generated stmts for SLP.
706 (new_stmt_vec_info): Initialize the new field.
707 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
708 statements marked as unvectorizable.
710 2010-04-25 Joseph Myers <joseph@codesourcery.com>
712 * c-common.c (flag_isoc1x): New.
713 (flag_isoc99): Update comment.
714 * c-common.h (flag_isoc1x): New.
715 (flag_isoc99): Update comment.
716 * c-cppbuiltin.c (builtin_define_float_constants): Also define
717 __<type>_DECIMAL_DIG__.
718 * c-opts.c (set_std_c1x): New.
719 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
720 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
721 * c.opt (-std=c1x, -std=gnu1x): New options.
722 * doc/cpp.texi: Mention -std=c1x.
723 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
724 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
725 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
726 * doc/standards.texi: Mention C1X.
727 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
728 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
729 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
732 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
734 * config/i386/gmon-sol2.c (_mcleanup): Change format string
735 placeholder from 0x%x to %#x.
736 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
737 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
738 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
739 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
740 * config/i386/i386.c (ix86_target_string): Ditto.
741 (output_pic_addr_const): Ditto.
742 (print_operand): Ditto.
744 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
746 * combine.c (find_split_point): Add third argument. Use it
747 to find nested multiply-accumulate instructions. Adjust calls.
748 (try_combine): Adjust call to find_split_point.
750 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
752 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
754 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
756 PR tree-optimization/41442
757 * fold-const.c (merge_truthop_with_opposite_arm): New function.
758 (fold_binary_loc): Call it.
760 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
762 * toplev.c (general_init): Set default for fdiagnostics-show-option.
763 * opts.c (common_handle_option): Allow disabling it.
764 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
766 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
768 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
769 between modes if both types are integral.
771 2010-04-23 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/43572
774 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
776 2010-04-23 Richard Guenther <rguenther@suse.de>
779 * tree-inline.c (tree_can_inline_p): Also check compatibility
782 2010-04-23 Martin Jambor <mjambor@suse.cz>
784 PR tree-optimization/43846
785 * tree-sra.c (struct access): New flag grp_assignment_read.
786 (build_accesses_from_assign): Set grp_assignment_read.
787 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
788 (enum mark_read_status): New type.
789 (analyze_access_subtree): Propagate grp_assignment_read, create
790 accesses also if both direct_read and root->grp_assignment_read.
792 2010-04-23 Martin Jambor <mjambor@suse.cz>
795 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
796 function does not have type attributes.
798 2010-04-23 Richard Guenther <rguenther@suse.de>
801 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
804 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
806 * sese.h (create_if_region_on_edge): Remove.
808 * sese.c (create_if_region_on_edge): Make static.
810 * tree-inline.c: Do not include ggc.h.
812 * expr.c: Do not include ggc.h.
814 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
817 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
820 * config/sh/sh.c (find_barrier): Don't emit a constant pool
821 in the middle of insns for casesi_worker_2.
823 2010-04-22 David Edelsohn <edelsohn@gnu.org>
825 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
827 2010-04-22 Ira Rosen <irar@il.ibm.com>
829 PR tree-optimization/43842
830 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
831 loop unrolling in update of exit phis. Fix comment.
832 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
833 least two reduction statements in the loop before starting SLP
836 2010-04-22 Nick Clifton <nickc@redhat.com>
838 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
840 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
842 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
845 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
847 * tree-parloops.c (loop_parallel_p): New argument
848 parloop_obstack. Pass it down.
849 (parallelize_loops): New variable parloop_obstack. Initialize it,
850 pass it down, free it.
852 * tree-loop-linear.c (linear_transform_loops): Pass down
855 * tree-data-ref.h (lambda_compute_access_matrices): New argument
856 of type struct obstack *.
858 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
859 scratch_obstack. Initialize it, pass down, free it.
861 * lambda.h (lambda_loop_new): Remove.
862 (lambda_matrix_new, lambda_matrix_inverse)
863 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
864 argument of type struct obstack *.
866 * lambda-trans.c (lambda_trans_matrix_new): New argument
867 lambda_obstack. Pass it down, use obstack allocation for ret.
868 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
871 * lambda-mat.c (lambda_matrix_get_column)
872 (lambda_matrix_project_to_null): Remove.
873 (lambda_matrix_new): New argument lambda_obstack. Use obstack
875 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
878 * lambda-code.c (lambda_loop_new): New function.
879 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
880 (lambda_compute_auxillary_space, lambda_compute_target_space)
881 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
882 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
883 (build_access_matrix): New argument lambda_obstack. Use obstack
885 (lambda_compute_step_signs, lambda_compute_access_matrices): New
886 argument lambda_obstack. Pass it down.
888 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
890 * optabs.h (expand_widening_mult): Declare.
892 2010-04-22 Richard Guenther <rguenther@suse.de>
894 PR tree-optimization/43845
895 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
896 lookup the CALL_EXPR function and arguments.
898 2010-04-22 Nick Clifton <nickc@redhat.com>
900 * config/stormy16/stormy16.c
901 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
902 * config/stormy16/stormy16.h: Tidy up formatting.
903 (DONT_USE_BUILTIN_SETJMP): Remove definition.
904 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
905 (ineqbranchsi): Delete pattern.
906 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
907 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
908 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
909 stormy16-lib2-ucmpsi2.c.
911 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
913 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
914 df_simulate_find_noclobber_defs as appropriate. Keep track of an
915 extra set merge_set_noclobber, and use it to relax the final test
917 * df.h (df_simulate_find_noclobber_defs): Declare.
918 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
920 (df_simulate_find_noclobber_defs): New function.
922 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
924 * config/i386/i386.md: Use {} around multi-line preparation statements.
926 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
928 * c-tree.h (push_init_level, pop_init_level, set_init_index)
929 (process_init_element): New argument of type struct obstack *.
931 * c-typeck.c (push_init_level, pop_init_level, set_designator)
932 (set_init_index, set_init_label, set_nonincremental_init)
933 (set_nonincremental_init_from_string, find_init_member)
934 (output_init_element, output_pending_init_elements)
935 (process_init_element): New argument braced_init_obstack. Pass it
937 (push_range_stack, add_pending_init): New argument
938 braced_init_obstack. Use obstack allocation.
940 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
941 braced_init_obstack. Pass it down.
942 (c_parser_braced_init): New variables ret, braced_init_obstack.
943 Initialize obstack, pass it down and finally free it.
945 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
948 * tree-pass.h (pass_optimize_widening_mul): Declare.
949 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
950 gate_optimize_widening_mul): New static functions.
951 (pass_optimize_widening_mul): New.
952 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
953 <case MULT_EXPR>: Remove support for widening multiplies.
954 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
955 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
956 simplify_gen_unary rather than directly building extensions.
957 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
959 * expmed.c (expand_widening_mult): New function.
960 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
962 2010-04-21 Jan Hubicka <jh@suse.cz>
964 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
965 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
966 * lto-wpa-fixup.c: Remove.
967 * Makefile.in (lto-wpa-fixup.o): Remove.
968 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
969 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
970 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
972 2010-04-21 Jan Hubicka <jh@suse.cz>
974 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
975 add write_optimization_summary, read_optimization_summary.
976 (ipa_write_summaries_of_cgraph_node_set): Remove.
977 (ipa_write_optimization_summaries): Declare.
978 (ipa_read_optimization_summaries): Declare.
979 * ipa-cp.c (pass_ipa_cp): Update.
980 * ipa-reference.c (pass_ipa_reference): Update.
981 * ipa-pure-const.c (pass_ipa_pure_const): Update.
982 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
984 * ipa-inline.c (pass_ipa_inline): Update.
985 * ipa.c (pass_ipa_whole_program): Update.
986 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
987 * passes.c (ipa_write_summaries_1): Do not test wpa.
988 (ipa_write_optimization_summaries_1): New.
989 (ipa_write_optimization_summaries): New.
990 (ipa_read_summaries): Do not test ltrans.
991 (ipa_read_optimization_summaries_1): New.
992 (ipa_read_optimization_summaries): New.
994 2010-04-21 Jan Hubicka <jh@suse.cz>
996 * lto-cgraph.c (lto_output_node): Do not output comdat groups
998 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1000 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1003 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1004 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1006 2010-04-21 Jan Hubicka <jh@suse.cz>
1008 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1010 2010-04-21 Jan Hubicka <jh@suse.cz>
1012 * varpool.c (decide_is_variable_needed): Variable is always needed
1015 2010-04-21 Jan Hubicka <jh@suse.cz>
1017 * opts.c (decode_options): Enable pure-const pass for whopr.
1019 2010-04-21 Jan Hubicka <jh@suse.cz>
1021 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1022 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1024 (cgraph_decide_inlining): Do not expect callee to be removed in all
1027 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1029 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1031 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1033 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1034 amdfam10_decode attributes.
1036 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1039 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1040 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1041 (lower_copyprivate_clauses): Use private var in outer
1042 context instead of original var. Make sure the types
1043 are correct for VLAs.
1045 2010-04-21 Richard Guenther <rguenther@suse.de>
1047 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1048 to non-pointer objects.
1050 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1052 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1053 last chain entry if it starts with the still current label.
1054 (add_location_or_const_value_attribute): Check that
1055 loc_list->first->next is NULL instead of comparing ->first with ->last.
1056 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1057 to add_var_loc_to_decl.
1059 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1060 >= 4 add also address size and segment size fields into CIE header.
1062 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1063 long as address size is the same as sizeof (void *) and
1065 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1066 address size or segment size is unexpected, return DW_EH_PE_omit.
1067 (classify_object_over_fdes): If get_cie_encoding returned
1068 DW_EH_PE_omit, return -1.
1069 (init_object): If classify_object_over_fdes returned -1,
1070 pretend there were no FDEs at all.
1072 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1074 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1075 bswap{si,di}2 using SWI48 mode iterator.
1076 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1077 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1078 set modrm attribute of bswap insn to 0 and remove length attribute.
1079 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1080 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1081 set mode attribute to <MODE> and remove length attribute.
1083 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1085 PR rtl-optimization/43520
1086 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1087 zero available registers.
1089 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1091 * builtins.c (fold_builtin_cproj): Fold more cases.
1093 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1096 (fold_builtin_1): Fold builtin cproj.
1097 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1098 Use ATTR_CONST_NOTHROW_LIST.
1100 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1102 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1103 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1104 ffsi2_no_cmove for !TARGET_CMOVE.
1105 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1106 (ffssi2): Remove expander.
1107 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1109 (ctz<mode>2): Ditto from ctz{si,di}2.
1110 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1112 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1115 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1117 * dwarf2out.c (AT_linkage_name): Define.
1118 (clone_as_declaration): Handle DW_AT_linkage_name.
1119 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1120 of DW_AT_MIPS_linkage_name.
1121 (move_linkage_attr): Likewise.
1122 (dwarf2out_finish): Likewise.
1124 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1127 * fold-const.c (fold_comparison): New folding rule.
1129 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1131 * double-int.h (double_int_setbit): Declare.
1132 * double-int.c (double_int_setbit): New function.
1133 * rtl.h (immed_double_int_const): Declare.
1134 * emit-rtl.c (immed_double_int_const): New function.
1135 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1136 and immed_double_int_const functions.
1137 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1138 expand_copysign_bit): (Ditto.).
1139 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1140 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1141 * dojump.c (prefer_and_bit_test): (Ditto.).
1142 * expr.c (convert_modes, reduce_to_bit_field_precision,
1143 const_vector_from_tree): (Ditto.).
1144 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1146 2010-04-20 Jan Hubicka <jh@suse.cz>
1148 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1149 (dump_cgraph_node): Dump new flags.
1150 * cgraph.h (struct cgraph_node): Add flags
1151 reachable_from_other_partition and in_other_partition.
1152 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1153 other partition can not be removed.
1154 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1155 the other partition must be output; silence sanity checking on
1156 leaking functions bodies from other paritition.
1157 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1158 (lto_output_node): Output new flags; do not sanity check that inline
1159 clones are output; drop lto_forced_extern_inline_p code; do not mock
1160 visibility flags at partition boundaries.
1161 (add_node_to): New function.
1162 (output_cgraph): Use it to sort functions so masters appear before
1164 (input_overwrite_node): Input new flags.
1165 * passes.c (ipa_write_summaries): Do not call
1166 lto_new_extern_inline_states.
1167 * lto-section-out.c (forced_extern_inline,
1168 lto_new_extern_inline_states lto_delete_extern_inline_states,
1169 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1170 * lto-streamer.h (lto_new_extern_inline_states,
1171 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1172 lto_forced_extern_inline_p): Kill.
1174 2010-04-20 Richard Guenther <rguenther@suse.de>
1176 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1177 from vars that can have pointers.
1178 (process_constraint): Dump useless constraints.
1180 2010-04-20 Richard Guenther <rguenther@suse.de>
1182 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1183 (dump_sa_points_to_info): Remove asserts.
1184 (init_base_vars): nothing_id isn't an escape point nor does it
1187 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1189 * tree.h (TYPE_REF_IS_RVALUE): Define.
1190 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1191 should_move_die_to_comdat, prune_unused_types_walk): Handle
1192 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1193 (modified_type_die, gen_reference_type_die): Emit
1194 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1195 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1197 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1200 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1201 calls for -fpic -m31 if they have been sibcall optimized.
1203 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1205 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1206 ar.lc fixed and call-used.
1208 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1210 2010-04-19 Jan Hubicka <jh@suse.cz>
1212 * opts.c (decode_options): Disable whpr incompatible passes.
1213 * lto/lto.c (lto_1_to_1_map): Skip clones.
1214 (read_cgraph_and_symbols): Do not mark everything as needed.
1215 (do_whole_program_analysis): Do map only after optimizing;
1216 set proper cgraph_state; use passmanager.
1218 2010-04-19 DJ Delorie <dj@redhat.com>
1220 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1221 POINTER_PLUS_EXPR and fix them.
1223 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1225 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1226 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1227 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1228 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1229 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1230 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1231 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1232 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1233 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1234 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1235 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1237 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1239 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1240 (check_cond_move_block): Likewise.
1241 (cond_move_process_if_block): Likewise.
1242 (noce_find_if_block): Improve formatting.
1243 (find_if_header): Pass 0 to memset and tweak conditions.
1244 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1246 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1248 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1252 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1253 with non-local decl doesn't need chain.
1255 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1257 * ira-color.c (allocno_reload_assign): Avoid accumulating
1258 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1260 2010-04-19 Martin Jambor <mjambor@suse.cz>
1262 * gimple.h (create_tmp_reg): Declare.
1263 * gimplify.c (create_tmp_reg): New function.
1264 (gimplify_return_expr): Use create_tmp_reg.
1265 (gimplify_omp_atomic): Likewise.
1266 (gimple_regimplify_operands): Likewise.
1267 * tree-dfa.c (make_rename_temp): Likewise.
1268 * tree-predcom.c (predcom_tmp_var): Likewise.
1269 (reassociate_to_the_same_stmt): Likewise.
1270 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1271 (get_replaced_param_substitute): Likewise.
1272 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1273 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1274 * tree-ssa-pre.c (get_representative_for): Likewise.
1275 (create_expression_by_pieces): Likewise.
1276 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1277 (create_tailcall_accumulator): Likewise.
1279 2010-04-19 Martin Jambor <mjambor@suse.cz>
1281 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1283 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1285 2010-04-19 Richard Guenther <rguenther@suse.de>
1287 PR tree-optimization/43796
1288 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1289 from SCEV in the lattice.
1290 (vrp_visit_phi_node): Dump change.
1292 2010-04-19 Richard Guenther <rguenther@suse.de>
1294 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1295 * configure: Re-generated.
1297 2010-04-19 Richard Guenther <rguenther@suse.de>
1299 PR tree-optimization/43783
1300 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1301 constant ARRAY_REF operands two and three if possible.
1303 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1306 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1308 2010-04-19 Jie Zhang <jie@codesourcery.com>
1311 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1313 2010-04-19 Ira Rosen <irar@il.ibm.com>
1315 PR tree-optimization/37027
1316 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1317 and macro to access it.
1318 (vectorizable_reduction): Add argument.
1319 (vect_get_slp_defs): Likewise.
1320 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1321 statements for possible use in SLP.
1322 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1323 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1324 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1326 (vectorizable_reduction): Likewise.
1327 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1329 (vectorizable_type_demotion, vectorizable_type_promotion,
1330 vectorizable_store): Likewise.
1331 (vect_analyze_stmt): Update call to vectorizable_reduction.
1332 (vect_transform_stmt): Likewise.
1333 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1334 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1335 from different interleaving chains in same node.
1336 (vect_slp_rearrange_stmts): New function.
1337 (vect_supported_load_permutation_p): Allow load permutations for
1338 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1339 inside SLP nodes if necessary.
1340 (vect_analyze_slp_instance): Handle reductions.
1341 (vect_analyze_slp): Try to build SLP instances originating from groups
1343 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1344 (vect_get_constant_vectors): Create initial vectors for reductions
1345 according to reduction code. Add new argument.
1346 (vect_get_slp_defs): Add new argument, pass it to
1347 vect_get_constant_vectors.
1348 (vect_schedule_slp_instance): Remove SLP tree root statements.
1350 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1352 * tree.h (ENUM_IS_SCOPED): Define.
1353 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1354 for ENUM_IS_SCOPED enums.
1356 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1358 * fold-const.c (fold_comparison): Use ssizetype.
1359 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1360 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1361 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1362 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1364 * tree.h (initialize_sizetypes): Remove parameter.
1365 (build_common_tree_nodes): Remove second parameter.
1366 * stor-layout.c (initialize_sizetypes): Remove parameter.
1367 Always create an unsigned type.
1368 (set_sizetype): Assert that the passed type is unsigned and simplify.
1369 * tree.c (build_common_tree_nodes): Remove second parameter.
1370 Adjust call to initialize_sizetypes.
1371 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1372 build_common_tree_nodes.
1374 2010-04-18 Matthias Klose <doko@ubuntu.com>
1376 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1378 2010-04-18 Ira Rosen <irar@il.ibm.com>
1380 PR tree-optimization/43771
1381 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1382 load permutation doesn't have gaps.
1384 2010-04-18 Jan Hubicka <jh@suse.cz>
1386 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1387 (sse_prologue_save_insn expander): Use new pattern.
1388 (sse_prologue_save_insn1): New pattern and splitter.
1389 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1391 * i386.c (setup_incoming_varargs_64): Do not compute jump
1393 (ix86_gimplify_va_arg): Update alignment needed.
1394 (ix86_local_alignment): Do not align all local arrays to 128bit.
1396 2010-04-17 Jan Hubicka <jh@suse.cz>
1398 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1400 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1402 * arm.md (negdi2): Remove redundant code to force values into a
1405 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1407 * arm/bpabi.S: Add EABI alignment attributes to objects.
1408 * arm/bpabi-v6m.S: Likewise.
1409 * arm/crti.asm: Likewise.
1410 * arm/crtn.asm: Likewise.
1411 * arm/lib1funcs.asm: Likewise.
1412 * arm/libunwind.S: Likewise.
1414 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1416 * arm-protos.h (tune_params): New structure.
1417 * arm.c (current_tune): New variable.
1418 (arm_constant_limit): Delete.
1419 (struct processors): Add pointer to the tune parameters.
1420 (arm_slowmul_tune): New tuning option.
1421 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1422 (all_cores): Adjust to pick up the tuning model.
1423 (arm_constant_limit): New function.
1424 (arm_override_options): Select the appropriate tuning model. Delete
1425 initialization of arm_const_limit.
1426 (arm_split_constant): Use the new constant-limit model.
1427 (arm_rtx_costs): Pick up the current tuning model.
1428 * arm.md (is_strongarm, is_xscale): Delete.
1429 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1430 for Xscale variant architectures.
1431 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1433 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1435 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1437 (arm_rtx_costs_1): Remove unused variable extra_cost.
1438 (arm_unwind_emit_set): Use variable offset.
1439 (thumb1_output_casesi): Remove unused variable flags.
1441 2010-04-16 Jeff Law <law@redhat.com>
1443 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1444 needing assignment rather than doing a two-phase assignment. Remove
1445 unused variable 'm'.
1447 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1450 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1452 2010-04-16 Doug Kwan <dougkwan@google.com>
1454 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1455 (next_operand_entry_id): New static variable.
1456 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1457 (add_to_ops_vec): Assigned unique ID to operand entry.
1458 (struct oecount_s): New field ID.
1459 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1460 (undistribute_ops_list): Assign unique IDs to oecounts.
1461 (init_reassoc): reset next_operand_entry_id.
1463 2010-04-16 Doug Kwan <dougkwan@google.com>
1465 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1466 missing left parenthesis.
1468 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1470 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1471 *btdi_rex64 using SWI48 mode iterator.
1472 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1473 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1474 *jcc_btdi_mask_rex64.
1476 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1478 * double-int.h (tree_to_double_int): Convert to macro.
1479 * double-int.c (tree_to_double_int): Remove.
1481 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1484 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1485 with want_address 2 and in case a single element list might be
1486 possible, call it again with want_address 0.
1488 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1490 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1491 case 'W' print operands for HI mode.
1492 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1493 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1494 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1495 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1497 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1499 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1500 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1501 #xx:3 and #xx:4 mode.
1503 * config/h8300/h8300.md (inverted load with HImode dest): Add
1504 support for H8300SX.
1506 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1507 satisfy 'U' constraint.
1509 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1511 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1512 * configure: Regenerate.
1513 * config.in: Regenerate.
1514 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1517 2010-04-16 Richard Guenther <rguenther@suse.de>
1519 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1520 (struct tree_decl_common): ... here.
1521 (DECL_PT_UID): Adjust.
1522 (SET_DECL_PT_UID): Likewise.
1523 (DECL_PT_UID_SET_P): Likewise.
1525 2010-04-16 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/43572
1528 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1529 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1530 * tree-flow.h (is_call_clobbered): Remove.
1531 * tree-flow-inline.h (is_call_clobbered): Likewise.
1532 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1533 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1534 (execute_return_slot_opt): Adjust.
1535 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1536 check for call clobbered vars here.
1537 (find_tail_calls): Move tailcall verification to the
1540 2010-04-16 Diego Novillo <dnovillo@google.com>
1542 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1544 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1547 * config/arm/arm.md (cbranchqi4): New pattern.
1548 * config/arm/predicates.md (const0_operand,
1549 cbranchqi4_comparison_operator): New predicates.
1551 2010-04-16 Richard Guenther <rguenther@suse.de>
1553 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1554 (dump_gimple_stmt): Likewise.
1556 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1558 * recog.h (struct recog_data): New field is_operator.
1559 (struct insn_operand_data): New field is_operator.
1560 * recog.c (extract_insn): Set recog_data.is_operator.
1561 * genoutput.c (output_operand_data): Emit code to set the
1563 * reload.c (find_reloads): Use it rather than testing for an
1564 empty constraint string.
1567 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1568 If the previous insn is a cbranchsi4_insn with the same arguments,
1569 omit the compare instruction.
1571 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1572 register, inputs must be low registers and we need a low register
1573 scratch. Handle alternative 2 like alternative 3.
1575 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1577 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1578 don't call get_addr on both. If one expression is a VALUE and
1579 the other a REG, check VALUE's locs if the REG isn't among them.
1581 2010-04-16 Christian Bruel <christian.bruel@st.com>
1583 * config/sh/sh.h (sh_frame_pointer_required): New function.
1584 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1585 (flag_omit_frame_pointer) Set.
1586 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1587 (rounded_frame_size): Adjust size with outgoing_args_size.
1588 (sh_set_return_address): Must return from stack pointer.
1589 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1590 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1591 (ACCUMULATE_OUTGOING_ARGS): Define.
1592 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1593 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1595 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1598 * config/sh/sh.c (sh_legitimize_reload_address): Use
1599 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1600 Remove a unneeded check for offset_base.
1602 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1604 * configure: Regenerated.
1606 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1608 * config/s390/s390.c (s390_call_save_register_used): Switch back
1609 to HARD_REGNO_NREGS.
1611 2010-04-15 Richard Guenther <rguenther@suse.de>
1613 * alias.c (alias_set_subset_of): Handle alias-set zero
1616 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1617 Julian Brown <julian@codesourcery.com>
1619 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1620 alternatives according to use of high and low regs.
1621 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1622 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1623 optimizing for size on Thumb-2.
1625 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1627 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1629 2010-04-15 Richard Guenther <rguenther@suse.de>
1631 * tree-ssa-structalias.c (struct variable_info): Add
1633 (new_var_info): Initialize it.
1634 (dump_constraints): Support printing last added constraints.
1635 (debug_constraints): Adjust.
1636 (dump_constraint_graph): Likewise.
1637 (make_heapvar_for): Check for NULL cfun.
1638 (get_function_part_constraint): New function.
1639 (get_fi_for_callee): Likewise.
1640 (find_func_aliases): Properly implement IPA PTA constraints.
1641 (process_ipa_clobber): New function.
1642 (find_func_clobbers): Likewise.
1643 (insert_into_field_list_sorted): Remove.
1644 (create_function_info_for): Properly allocate vars for IPA mode.
1645 Do not use insert_into_field_list_sorted.
1646 (create_variable_info_for): Properly generate constraints for
1647 global vars in IPA mode.
1648 (dump_solution_for_var): Always dump the solution.
1649 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1650 (find_what_var_points_to): Adjust.
1651 (pt_solution_set): Change.
1652 (pt_solution_ior_into): New function.
1653 (pt_solution_empty_p): Export.
1654 (pt_solution_includes_global): Adjust.
1655 (pt_solution_includes_1): Likewise.
1656 (pt_solutions_intersect_1): Likewise.
1657 (dump_sa_points_to_info): Check some invariants.
1658 (solve_constraints): Move constraint dumping ...
1659 (compute_points_to_sets): ... here.
1660 (ipa_pta_execute): ... and here.
1661 (compute_may_aliases): Do not re-compute points-to info
1662 locally if IPA info is available.
1663 (ipa_escaped_pt): New global var.
1664 (ipa_pta_execute): Properly implement IPA PTA.
1665 * tree-into-ssa.c (dump_decl_set): Support dumping
1666 decls not in referenced-vars.
1667 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1668 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1669 (dump_points_to_solution): Likewise.
1670 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1671 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1672 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1673 (copy_decl_to_var): Copy DECL_PT_UID.
1674 (copy_result_decl_to_var): Likewise.
1675 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1676 (copy_node_stat): Copy it.
1677 * tree.h (DECL_PT_UID): New macro.
1678 (SET_DECL_PT_UID): Likewise.
1679 (DECL_PT_UID_SET_P): Likewise.
1680 (struct tree_decl_minimal): Add pt_uid member.
1681 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1682 (pt_solution_empty_p): Declare.
1683 (pt_solution_set): Adjust.
1684 (ipa_escaped_pt): Declare.
1685 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1686 * gimple-pretty-print.c (pp_points_to_solution): New function.
1687 (dump_gimple_call): Dump call clobber/use information.
1688 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1689 * tree-pass.h (TDF_ALIAS): New dump option.
1690 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1691 * doc/invoke.texi (-fipa-pta): Update documentation.
1693 2010-04-15 Richard Guenther <rguenther@suse.de>
1695 * Makefile.in (OBJS-common): Add gimple-fold.o.
1696 (gimple-fold.o): New rule.
1697 * tree.h (maybe_fold_offset_to_reference,
1698 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1700 * gimple.h: ... here.
1701 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1702 may_propagate_address_into_dereference): Move prototypes ...
1703 * gimple.h: ... here.
1704 * tree-ssa-ccp.c (get_symbol_constant_value,
1705 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1706 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1707 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1708 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1709 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1710 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1711 gimplify_and_update_call_from_tree): Move ...
1712 * gimple-fold.c: ... here. New file.
1713 (ccp_fold_builtin): Rename to ...
1714 (gimple_fold_builtin): ... this.
1715 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1717 2010-04-15 Richard Guenther <rguenther@suse.de>
1719 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1720 fit_double_type, force_fit_type_double, add_double_with_sign,
1721 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1722 lrotate_double, rrotate_double, div_and_round_double): Move ...
1723 * double-int.c: ... here.
1724 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1725 add_double, neg_double, mul_double_with_sign, mul_double,
1726 lshift_double, rshift_double, lrotate_double, rrotate_double,
1727 div_and_round_double): Move prototypes ...
1728 * double-int.h: ... here.
1730 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1733 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1734 matching constraints to ensure inputs match the output.
1736 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1739 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1740 in an input-only operand.
1742 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1744 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1745 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1746 (double_int_negative_p): Convert to static inline function.
1747 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1748 (double_int_negative_p): Remove.
1749 * tree.h (lshift_double, rshift_double):
1750 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1751 * fold-const.c (fold_convert_const_int_from_real,
1752 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1753 (lshift_double): Change type of arith argument to bool.
1754 (rshift_double): Change type of arith argument to bool. Correct
1756 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1758 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1761 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1762 at the start and end of the then/else blocks, and omit them from the
1764 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1765 argument; all callers changed. Pass zero to old_insns_match_p instead.
1766 (flow_find_head_matching_sequence): New function.
1767 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1768 * basic-block.h (flow_find_cross_jump,
1769 flow_find_head_matching_sequence): Declare functions.
1771 2010-04-14 Jason Merrill <jason@redhat.com>
1774 * c-common.c (attribute_takes_identifier_p): New fn.
1775 * c-common.h: Declare it.
1777 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1779 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1781 (*udivmod<mode>4): Ditto.
1783 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1785 * config/i386/i386.md (maxmin_int): Rename code attribute from
1786 maxminiprefix and update all users.
1787 (maxmin_float): Ditto from maxminfprefix.
1788 (logic): Ditto from logicprefix.
1789 (absneg_mnemonic): Ditto from absnegprefix.
1790 * config/i386/mmx.md: Update all users of maxminiprefix,
1791 maxminfprefix and logicprefix for rename.
1792 * config/i386/sse.md: Ditto.
1793 * config/i386/sync.md (sync_<code><mode>): Update for
1796 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1799 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1800 warnings converted to errors.
1802 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1804 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1805 used insn_type variable.
1806 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1807 to avoid set-but-not-used warning.
1809 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1811 * df-core.c (df_ref_debug): Change format string placeholder
1813 * dwarf2asm.c (dw2_asm_output_data_raw,
1814 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1815 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1816 * dwarf2out.c (output_cfi, output_cfi_directive,
1817 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1818 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1820 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1821 * print-rtl.c (print_rtx): Ditto.
1823 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1826 * builtins.c (expand_builtin_pow_root): New function to expand pow
1827 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1828 series of sqrt and cbrt calls under -ffast-math.
1829 (expand_builtin_pow): Call it.
1831 2010-04-14 Michael Matz <matz@suse.de>
1833 PR tree-optimization/42963
1834 * tree-cfg.c (touched_switch_bbs): New static variable.
1835 (group_case_labels_stmt): New function broken out from ...
1836 (group_case_labels): ... here, use the above.
1837 (start_recording_case_labels): Allocate touched_switch_bbs.
1838 (end_recording_case_labels): Deallocate it, call
1839 group_case_labels_stmt.
1840 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1842 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1844 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1847 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1849 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1851 2010-04-13 Jan Hubicka <jh@suse.cz>
1853 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1854 of optimized out static functions.
1855 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1856 cost computation. Also sanity check for overflows.
1857 (update_caller_keys): Update cgraph_edge_badness call; properly
1858 update fibheap and sanity check that it is up to date.
1859 (add_new_edges_to_heap): Update cgraph_edge_badness.
1860 (cgraph_decide_inlining_of_small_function): Likewise;
1861 add sanity checking that badness in heap is up to date;
1862 improve dumping of reason; Update badness of calls to the
1863 offline copy of function currently inlined; dump badness
1864 of functions not inlined because of unit growth limits.
1866 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1869 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1870 because of sign-extension change when converting to sizetype here...
1871 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1873 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1874 the folding to constants. Remove redundant final conversion.
1875 (fold_binary) <associate>: Do not associate if the re-association of
1876 constants alone overflows.
1877 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1878 to the end of the list.
1879 (multiple_of_p) <COND_EXPR>: New case.
1881 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1883 * opt-functions.awk (opt_sanitized_name): New.
1885 * optc-gen.awk: Use it
1886 * opth-gen.awk: Use it.
1888 2010-04-13 Martin Jambor <mjambor@suse.cz>
1890 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1891 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1892 children. Call replace_uses_with_default_def_ssa_name to handle
1895 2010-04-13 Michael Matz <matz@suse.de>
1898 * builtins.c (expand_builtin_interclass_mathfn): Also create
1899 a register if the predicate doesn't match.
1901 2010-04-13 Diego Novillo <dnovillo@google.com>
1903 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1904 * c-pch.c: Include timevar.h.
1905 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1906 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1907 * ggc-common.c: Include timevar.h.
1908 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1909 * timevar.def (TV_PCH_SAVE): Define.
1910 (TV_PCH_CPP_SAVE): Define.
1911 (TV_PCH_PTR_REALLOC): Define.
1912 (TV_PCH_PTR_SORT): Define.
1913 (TV_PCH_RESTORE): Define.
1914 (TV_PCH_CPP_RESTORE): Define.
1916 2010-04-13 Michael Matz <matz@suse.de>
1918 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1920 (can_reassociate_p): New function.
1921 (break_up_subtract_bb, reassociate_bb): Use it.
1923 2010-04-13 Richard Guenther <rguenther@suse.de>
1926 * builtins.c (c_readstr): Fix assert.
1928 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1930 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1931 when generating cltd insn.
1933 (*ashl<mode>3_1): Remove special handling for register operand 2.
1934 (*ashlsi3_1_zext): Ditto.
1935 (*ashlhi3_1): Ditto.
1936 (*ashlhi3_1_lea): Ditto.
1937 (*ashlqi3_1): Ditto.
1938 (*ashlqi3_1_lea): Ditto.
1939 (*<shiftrt_insn><mode>3_1): Ditto.
1940 (*<shiftrt_insn>si3_1_zext): Ditto.
1941 (*<shiftrt_insn>qi3_1_slp): Ditto.
1942 (*<rotate_insn><mode>3_1): Ditto.
1943 (*<rotate_insn>si3_1_zext): Ditto.
1944 (*<rotate_insn>qi3_1_slp): Ditto.
1946 2010-04-13 Richard Guenther <rguenther@suse.de>
1948 * tree-ssa-structalias.c (callused_id): Remove.
1949 (call_stmt_vars): New.
1950 (get_call_vi): Likewise.
1951 (lookup_call_use_vi): Likewise.
1952 (lookup_call_clobber_vi): Likewise.
1953 (get_call_use_vi): Likewise.
1954 (get_call_clobber_vi): Likewise.
1955 (make_transitive_closure_constraints): Likewise.
1956 (handle_const_call): Adjust to do per-call call-used handling.
1957 (handle_pure_call): Likewise.
1958 (find_what_var_points_to): Remove general callused handling.
1959 (init_base_vars): Likewise.
1960 (init_alias_vars): Initialize call_stmt_vars.
1961 (compute_points_to_sets): Process call-used and call-clobbered
1962 vars for call statements.
1963 (delete_points_to_sets): Free call_stmt_vars.
1965 2010-04-13 Richard Guenther <rguenther@suse.de>
1967 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1968 Only add RW dependence for dependence distance zero.
1969 Adjust maximal vectorization factor according to dependences.
1970 Move alignment handling ...
1971 (vect_find_same_alignment_drs): ... here. New function.
1972 (vect_analyze_data_ref_dependences): Adjust.
1973 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1974 (vect_analyze_data_refs): Adjust minimal vectorization factor
1975 according to data references.
1976 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1977 dependences before determining the vectorization factor.
1978 Analyze alignment after determining the vectorization factor.
1979 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1980 dependences before alignment.
1981 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1983 (vect_analyze_data_refs): Likewise.
1984 (MAX_VECTORIZATION_FACTOR): New define.
1986 2010-04-13 Duncan Sands <baldrick@free.fr>
1988 * except.h (lang_eh_type_covers): Remove.
1989 * except.c (lang_eh_type_covers): Likewise.
1991 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1992 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1994 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1995 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1996 UNITS_PER_LONG where it is ABI relevant.
1997 (s390_return_addr_rtx): Likewise.
1998 (s390_back_chain_rtx): Likewise.
1999 (s390_frame_area): Likewise.
2000 (s390_frame_info): Likewise.
2001 (s390_initial_elimination_offset): Likewise.
2002 (save_gprs): Likewise.
2003 (s390_emit_prologue): Likewise.
2004 (s390_emit_epilogue): Likewise.
2005 (s390_function_arg_advance): Likewise.
2006 (s390_function_arg): Likewise.
2007 (s390_va_start): Likewise.
2008 (s390_gimplify_va_arg): Likewise.
2009 (s390_function_profiler): Likewise.
2010 (s390_optimize_prologue): Likewise.
2011 (s390_rtx_costs): Likewise.
2012 (s390_secondary_reload): Likewise.
2013 (s390_promote_function_mode): Likewise.
2014 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2015 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2016 registers available.
2017 (s390_unwind_word_mode): New function.
2018 (s390_function_value): Split 64 bit values into register pair if
2019 used as return value.
2020 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2021 function call parameters. Handle parallels.
2022 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2023 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2024 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2025 (s390_expand_setmem): Remove unused variable src_addr.
2026 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2027 deal with 64 bit registers.
2028 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2029 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2030 (UNITS_PER_LONG): New macro.
2031 * libjava/include/s390-signal.h: Define extended ucontext
2032 structure containing the upper halfs of the 64 bit registers.
2034 2010-04-13 Simon Baldwin <simonb@google.com>
2036 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2038 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2040 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2041 rvalue on the RHS if the LHS is of a non-renamable type.
2042 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2044 2010-04-13 Matthias Klose <doko@ubuntu.com>
2046 * gcc.c (cc1_options): Handle -iplugindir before processing
2047 the cc1 spec. Only add -iplugindir once.
2048 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2050 * common.opt (iplugindir): Remove `Separate' property, initialize.
2051 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2053 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2054 (distclean): Remove plugin dir.
2055 * doc/invoke.texi: Document -iplugindir.
2057 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2059 * doc/plugins.texi (Loading Plugins): Document short
2060 -fplugin=foo option.
2061 (Plugin API): Mention default_plugin_dir_name function.
2063 * gcc.c (find_file_spec_function): Add new declaration.
2064 (static_spec_func): Use it for "find-file".
2065 (find_file_spec_function): Add new function.
2066 (cc1_options): Add -iplugindir option if -fplugin* options found.
2068 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2070 * plugin.c (add_new_plugin): Updated comment, and handle short
2072 (default_plugin_dir_name): Added new function.
2074 * common.opt (iplugindir): New option to set the plugin directory.
2076 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2078 * config/i386/i386.md (any_rotate): New code iterator.
2079 (rotate_insn): New code attribute.
2081 (SWIM124): New mode iterator.
2082 (<rotate_insn>ti3): New expander.
2083 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2084 any_rotate code iterator.
2085 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2086 using any_rotate code iterator and SWIM124 mode iterator.
2087 (ix86_rotlti3): New insn_and_split pattern.
2088 (ix86_rotrti3): Ditto.
2089 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2090 ix86_rotl{di,ti}3 patterns.
2091 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2092 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2093 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2094 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2095 code iterator and SWI mode iterator.
2096 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2097 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2099 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2100 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2101 (bswap rotatert splitter): Add splitter.
2102 (bswap splitter): Macroize splitter using any_rotate code iterator.
2103 Add insn predicate to split only for TARGET_USE_XCHGB or when
2104 optimizing function for size.
2106 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2108 * config/pa/pa.c (emit_move_sequence): Remove use of
2109 deleted variable flag_argument_noalias.
2111 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2113 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2115 Add to unsupported targets list.
2116 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2117 sparc*-sun-solaris2.[567]* from target lists.
2118 * configure: Regenerate.
2119 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2121 Remove Solaris 7 patch references.
2122 (Specific, sparc-sun-solaris2.7): Removed.
2123 (sparc-sun-solaris2*): Update Solaris 7 example.
2124 (sparc64-*-solaris2*): Likewise.
2126 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2128 * config.build (alpha*-dec-osf4*): Remove.
2129 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2130 of obsolete configurations.
2131 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2133 * config/alpha/t-osf4: Renamed to ...
2134 * config/alpha/t-osf5: ... this.
2135 * config/alpha/osf.h: Renamed to ...
2136 * config/alpha/osf5.h: ... this.
2137 Merged old osf5.h contents.
2139 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2140 (EXTRA_SPECS): Removed.
2141 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2142 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2145 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2147 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2149 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2152 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2153 __thiscall convention.
2155 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2157 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2159 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2161 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2163 * function.c (assign_parms_initialize_all): Add unused attribute
2166 2010-04-12 Richard Guenther <rguenther@suse.de>
2168 * gsstruct.def (GSS_CALL): New.
2169 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2170 * gimple.h: Include tree-ssa-alias.h.
2171 (struct gimple_statement_call): New.
2172 (union gimple_statement_struct_d): Add gimple_call member.
2173 (gimple_call_reset_alias_info): Declare.
2174 (gimple_call_use_set): New function.
2175 (gimple_call_clobber_set): Likewise.
2176 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2177 * gimple.c (gimple_call_reset_alias_info): New function.
2178 (gimple_build_call_1): Call it.
2179 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2180 * tree-inline.c (remap_gimple_stmt): Likewise.
2181 (expand_call_inline): Remove callused handling.
2182 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2183 * tree-dfa.c (dump_variable): Likewise.
2184 * tree-parloops.c (parallelize_loops): Likewise.
2185 * tree-ssa.c (init_tree_ssa): Likewise.
2186 (delete_tree_ssa): Likewise.
2187 * tree-flow-inline.h (is_call_used): Remove.
2188 * tree-flow.h (struct gimple_df): Remove callused member.
2189 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2190 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2191 (ref_maybe_used_by_call_p_1): Simplify.
2192 (call_may_clobber_ref_p_1): Likewise.
2193 * tree-ssa-structalias.c (compute_points_to_sets): Set
2194 the call stmt used and clobbered sets.
2195 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2196 (find_tail_calls): Verify the tail call.
2198 2010-04-12 Richard Guenther <rguenther@suse.de>
2200 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2201 single-iteration always-inline inlining.
2202 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2203 (cgraph_decide_inlining): Do not handle always-inline specially.
2204 (try_inline): Remove always-inline cycle detection special case.
2205 Do not recurse on always-inlines.
2206 (cgraph_early_inlining): Do not iterate if not optimizing.
2207 (cgraph_gate_early_inlining): remove.
2208 (pass_early_inline): Run unconditionally.
2209 (gate_cgraph_decide_inlining): New function.
2210 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2211 not inlining or optimizing.
2212 (cgraph_decide_inlining_of_small_functions): Also consider
2213 always-inline functions.
2214 (cgraph_default_inline_p): Return true for nodes which should
2215 disregard inline limits.
2216 (estimate_function_body_sizes): Assume zero size and time for
2217 nodes which are marked as disregarding inline limits.
2218 (cgraph_decide_recursive_inlining): Do not perform recursive
2219 inlining on always-inline nodes.
2221 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2224 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2225 for exprs satisfying handled_component_p.
2227 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2229 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2230 non-constant aggregate elements.
2232 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2233 is a real initialization.
2235 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2238 * c-decl.c (start_function): Move forward check for nested function.
2240 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2242 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2243 * config/sh/sh.c: Include reload.h.
2244 (sh_legitimize_reload_address): New.
2245 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2246 sh_legitimize_reload_address.
2248 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2250 * config/sh/sh.md (*movqi_pop): New insn pattern.
2251 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2253 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2255 * config/i386/i386.md (any_shiftrt): New code iterator.
2256 (shiftrt_insn): New code attribute.
2258 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2259 using any_shiftrt code iterator.
2260 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2261 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2262 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2263 pattern from corresponding peephole2 patterns.
2264 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2265 using any_shiftrt code iterator.
2266 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2267 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2268 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2269 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2270 *{ashr,lshr}<mode>3_cmp_zext.
2271 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2273 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2275 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2277 (*lshr<mode>3_cconly): Ditto.
2279 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2281 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2282 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2283 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2284 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2286 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2287 from corresponding peephole2 patterns.
2288 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2289 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2290 and *lshrdi3_1_rex64 using SWI mode iterator.
2291 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2292 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2293 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2294 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2295 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2296 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2297 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2298 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2299 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2302 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2304 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2305 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2306 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2307 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2309 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2310 from corresponding peephole2 patterns.
2311 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2312 (ashrsi3_cvt): Rename from ashrsi3_31.
2313 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2314 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2315 and x86_64_shift_adj_3 using SWI48 mode iterator.
2316 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2317 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2318 and *ashrdi3_1_rex64 using SWI mode iterator.
2319 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2320 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2321 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2322 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2323 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2324 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2325 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2326 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2327 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2329 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2330 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2331 x86_shift<mode>_adj_3 expanders.
2333 2010-04-10 Wei Guozhi <carrot@google.com>
2336 * config/arm/arm.c (arm_pic_static_addr): New function.
2337 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2339 (arm_output_addr_const_extra): Output expression for new pattern.
2340 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2342 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2344 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2347 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2348 * web.c: Include "insn-config.h" and "recog.h".
2349 (union_match_dups): New function.
2350 (web_main): Call it.
2351 (union_defs): Don't try to recognize match_dups.
2353 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2354 if doing so would replace the entire pattern.
2356 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2360 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2361 and splitter pattern. Change splitter operand 1 predicate to
2364 2010-04-09 Martin Jambor <mjambor@suse.cz>
2366 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2367 lattices are addresses of CONST_DECLs with the same initial value.
2368 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2369 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2371 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2372 Bernd Schmidt <bernds@codesourcery.com>
2374 * loop-invariant.c (replace_uses): New static function.
2375 (move_invariant_reg): Use it to ensure we can replace the uses.
2377 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2379 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2381 (picochip_override_options): Enable section anchors only above -O1.
2382 (picochip_reorg): Fixed a couple of build warnings.
2384 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2386 * configure.ac (plugin -rdynamic test): Log result.
2387 * configure: Regenerate.
2388 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2389 (RDYNAMIC_SPEC): Define.
2390 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2392 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2394 * configure.ac: Determine Sun ld version numbers.
2395 (comdat_group): Restrict GNU ld version checks to gld.
2396 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2397 (enable_comdat): Support --enable-comdat.
2398 * configure: Regenerate.
2399 * doc/install.texi (Configuration): Document --enable-comdat.
2401 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2403 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2404 * config/sol2-gld.h: ... here.
2405 * config.gcc (sparc*-*-solaris2*): Reflect this.
2406 (i[34567]86-*-solaris2*): Use it.
2408 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2410 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2412 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2414 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2417 * diagnostic.c (diagnostic_initialize): Initialize
2418 some_warnings_are_errors.
2419 (diagnostic_finish): New.
2420 (diagnostic_action_after_output): Call it before exiting.
2421 (diagnostic_report_diagnostic): Do not print message here. Set
2422 some_warnings_are_errors.
2423 * diagnostic.h (diagnostic_context): Delete
2424 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2425 (diagnostic_finish): Declare.
2426 * toplev.c (toplev_main): Call it before exit.
2428 2010-04-09 Jason Merrill <jason@redhat.com>
2431 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2432 for incomplete type.
2435 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2436 based on a warning flag.
2438 2010-04-09 Richard Guenther <rguenther@suse.de>
2440 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2442 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2445 * varasm.c (default_assemble_visibility): Wrap vars that are
2446 set, but unused, by targets without GAS.
2447 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2448 Remove set, but unused, vars.
2449 (rs6000_legitimize_tls_address): Likewise.
2450 (altivec_expand_dst_builtin): Likewise.
2451 * config/darwin.c (machopic_classify_symbol): Likewise.
2452 (machopic_indirection_name): Likewise.
2454 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2456 * config/i386/i386.md (DWI): New mode iterator.
2457 (S): New mode attribute.
2458 (shift_operand): Ditto.
2459 (shift_immediate_operand): Ditto.
2460 (ashl_input_operand): Ditto.
2461 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2462 using SDWIM mode iterator.
2463 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2464 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2466 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2467 from corresponding peephole2 patterns.
2468 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2469 and x86_64_shift_adj_1 using SWI48 mode iterator.
2470 (x86_shift<mode>_adj_2): Ditto.
2471 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2472 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2473 using SWI48 mode iterator.
2474 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2475 *ashldi3_cmp_rex64 using SWI mode iterator.
2476 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2477 *ashldi3_cconly_rex64 using SWI mode iterator.
2478 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2479 x86_shift<mode>_adj_{1,2}.
2480 (ix86_split_ashr): Ditto.
2481 (ix86_split_lshr): Ditto.
2483 2010-04-09 Richard Guenther <rguenther@suse.de>
2485 * target.h (builtin_conversion): Pass in input and output types.
2486 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2487 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2488 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2489 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2491 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2493 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2495 2010-04-09 Richard Guenther <rguenther@suse.de>
2498 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2500 2010-04-09 Richard Guenther <rguenther@suse.de>
2502 * tree-vectorizer.h (struct _stmt_vec_info): Document
2503 that vectype is the type of the LHS.
2504 (supportable_widening_operation, supportable_narrowing_operation):
2505 Get both input and output vector types as arguments.
2506 (vect_is_simple_use_1): Declare.
2507 (get_same_sized_vectype): Likewise.
2508 * tree-vect-loop.c (vect_determine_vectorization_factor):
2509 Set STMT_VINFO_VECTYPE to the vector type of the def.
2510 (vectorizable_reduction): Adjust.
2511 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2512 Adjust. Specify the output vector type.
2513 (vect_pattern_recog_1): Adjust.
2514 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2515 (vectorizable_call): Adjust.
2516 (vectorizable_conversion): Likewise.
2517 (vectorizable_operation): Likewise.
2518 (vectorizable_type_demotion): Likewise.
2519 (vectorizable_type_promotion): Likewise.
2520 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2522 (vect_is_simple_use_1): New function.
2523 (supportable_widening_operation): Get both input and output
2525 (supportable_narrowing_operation): Likewise.
2526 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2528 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2530 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2531 __thiscall and _thiscall as predefined macros.
2532 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2533 thiscall attribute handling.
2534 (ix86_comp_type_attributes): Likewise.
2535 (ix86_function_regparm): Likewise.
2536 (ix86_return_pops_args): Likewise.
2537 (init_cumulative_args): Likewise.
2538 (find_drap_reg): Likewise.
2539 (ix86_static_chain): Likewise.
2540 (x86_this_parameter): Likewise.
2541 (x86_output_mi_thunk): Likewise.
2542 (ix86_attribute_table): Add description for thiscall attribute.
2543 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2544 * doc/extend.texi: Add documentation for thiscall.
2546 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2549 * c.opt (Wint-to-pointer-cast): Available in C++.
2550 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2552 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2554 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2555 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2556 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2557 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2558 function type instead. Reorder and simplify checks.
2560 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2562 2010-04-08 Jing Yu <jingyu@google.com>
2563 Zdenek Dvorak <ook@ucw.cz>
2565 PR tree-optimization/42720
2566 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2567 loop unswitch conditions here from ...
2568 (tree_unswitch_single_loop): ... here.
2570 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2572 * tree-if-conv.c: Fix comments and simplify logic.
2574 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2576 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2577 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2578 (main_tree_if_conversion): Update call to tree_if_conversion.
2580 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2583 * doc/invoke.texi (-b,-V): Delete.
2584 * doc/tm.texi: Do not mention -b.
2585 * gcc.c (display_help): Delete -b and -V.
2586 (process_command): Delete -b and -V.
2587 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2589 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2590 Wolfgang Gellerich <gellerich@de.ibm.com>
2592 Implement target hook for loop unrolling
2593 * target.h (loop_unroll_adjust): Add a new target hook function.
2594 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2595 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2596 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2597 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2598 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2600 (decide_unroll_stupid): Likewise.
2602 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2605 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2607 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2609 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2610 (Specific, *-*-solaris2*): Likewise.
2611 Don't prefer Sun as over GNU as.
2613 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2615 * config/s390/s390.c (override_options): Adjust the z10
2616 defaults for max-unroll-times, max-completely-peeled-insns
2617 and max-completely-peel-times.
2619 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2621 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2622 instructions for z10.
2623 (s390_expand_setmem): Likewise.
2624 (s390_expand_cmpmem): Likewise.
2626 2010-04-08 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/43679
2629 * tree-ssa-pre.c (eliminate): Only propagate copies.
2631 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2634 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2635 set but not used variable warning.
2637 2010-04-08 Wei Guozhi <carrot@google.com>
2640 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2641 (arm_size_rtx_costs): Call the new function when optimized for size.
2643 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2646 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2647 op0 is not a MEM, just return NULL instead of assertion
2649 (discover_nonconstant_array_refs): Don't walk debug stmts.
2651 2010-04-08 Doug Kwan <dougkwan@google.com>
2653 * configure.ac: Recognize gold and do not use its version number
2654 to test ld features.
2655 * configure: Regenerate.
2657 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2660 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2661 (negate_value): Move code to push elements to broken_up_substracts ...
2662 (eliminate_plus_minus_pair): ... here. Push operands that have no
2663 negative pair to plus_negates.
2664 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2666 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2668 * doc/install.texi (Configuration): Move description of
2669 --enable-lto, --with-libelf*, --enable-gold from Java section to
2672 * doc/generic.texi (Working with declarations)
2673 (Function Properties, C and C++ Trees): Fix typos.
2674 * doc/sourcebuild.texi (Top Level): Likewise.
2676 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2679 * tree.h (DECL_READ_P): Define.
2680 (struct tree_decl_common): Add decl_read_flag.
2681 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2682 a set but not used warning.
2683 (merge_decls): Merge DECL_READ_P flag.
2684 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2685 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2686 * c-common.c (handle_used_attribute, handle_unused_attribute):
2688 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2690 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2692 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2693 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2694 c_parser_binary_expression, c_parser_cast_expression,
2695 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2696 Call default_function_array_read_conversion instead of
2697 default_function_array_conversion where needed.
2698 (c_parser_unary_expression, c_parser_conditional_expression,
2699 c_parser_postfix_expression_after_primary, c_parser_initelt):
2700 Likewise. Call mark_exp_read where needed.
2701 (c_parser_statement_after_labels, c_parser_asm_operands,
2702 c_parser_typeof_specifier, c_parser_sizeof_expression,
2703 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2705 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2707 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2708 (warn_unused_but_set_parameter): Default to warn_unused
2710 * doc/invoke.texi: Document -Wunused-but-set-variable and
2711 -Wunused-but-set-parameter.
2713 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2714 used count variable.
2715 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2716 when operandN variables aren't used in the body of the expander
2718 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2719 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2720 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2721 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2722 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2723 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2724 * tree.c (PROCESS_ARG): Likewise.
2726 2010-04-07 Simon Baldwin <simonb@google.com>
2728 * diagnostic.h (diagnostic_override_option_index): New macro to
2729 set a diagnostic's option_index.
2730 * c-tree.h (c_cpp_error): Add warning reason argument.
2731 * opts.c (_warning_as_error_callback): New.
2732 (register_warning_as_error_callback): Store callback for
2733 warnings enabled via enable_warning_as_error.
2734 (enable_warning_as_error): Call callback, minor code tidy.
2735 * opts.h (register_warning_as_error_callback): Declare.
2736 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2737 response to -Werror=.
2738 (c_common_init_options): Register warning_as_error_callback in opts.c.
2739 * common.opt: Add -Wno-cpp option.
2740 * c-common.c (struct reason_option_codes_t): Map cpp warning
2741 reason codes to gcc option indexes.
2742 * (c_option_controlling_cpp_error): New function, lookup the gcc
2743 option index for a cpp warning reason code.
2744 * (c_cpp_error): Add warning reason argument, call
2745 c_option_controlling_cpp_error for diagnostic_override_option_index.
2746 * doc/invoke.texi: Document -Wno-cpp.
2748 2010-04-07 Richard Guenther <rguenther@suse.de>
2750 * ipa-reference.c (mark_load): Use get_base_address.
2751 (mark_store): Likewise.
2753 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2754 inserting GIMPLE_NOPs into the IL.
2755 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2756 Explicitly strip handled components and indirect references.
2758 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2759 folding address expressions.
2760 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2761 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2762 operand_equal_p to compare decls.
2763 (ptr_deref_may_alias_decl_p): Likewise.
2764 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2765 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2766 Handle reversed comparison ops.
2767 * tree-sra.c (asm_visit_addr): Use get_base_address.
2768 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2769 * ipa-reference.c (mark_address): Use get_base_address.
2771 2010-04-07 Richard Guenther <rguenther@suse.de>
2773 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2774 Propagate constants everywhere.
2776 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2779 * tree.c (MAX_INT_CACHED_PREC): Define.
2780 (nonstandard_integer_type_cache): New array.
2781 (build_nonstandard_integer_type): Cache results for precision
2782 <= MAX_INT_CACHED_PREC.
2784 2010-04-07 Richard Guenther <rguenther@suse.de>
2786 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2787 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2788 * common.opt: Likewise.
2789 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2790 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2791 (nonoverlapping_memrefs_p): Likewise.
2792 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2793 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2794 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2795 OPT_fargument_noalias_global for backward compatibility.
2797 2010-04-07 Richard Guenther <rguenther@suse.de>
2799 PR tree-optimization/43270
2800 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2801 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2802 * tree-ssa-pre.c (phi_translate_1): Adjust.
2803 (fully_constant_expression): Split out vn_reference handling to ...
2804 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2805 Fold reads from constant strings.
2806 (vn_reference_lookup): Handle fully constant references.
2807 (vn_reference_lookup_pieces): Likewise.
2808 * Makefile.in (expmed.o-warn): Add -Wno-error.
2810 2010-04-07 Martin Jambor <mjambor@suse.cz>
2812 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2814 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2817 * gcc.c: Add -static-libstdc++ to list of recognized options.
2819 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2821 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2823 2010-04-07 Richard Guenther <rguenther@suse.de>
2826 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2827 bases build simple mem attributes to retain points-to information.
2829 2010-04-07 Richard Guenther <rguenther@suse.de>
2832 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2833 preserve points-to related information.
2835 2010-04-07 Richard Guenther <rguenther@suse.de>
2838 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2839 discard plain indirect references.
2840 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2841 * tree.c (tree_nop_conversion): Likewise.
2843 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2846 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2848 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2850 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2851 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2853 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2855 * tree-if-conv.c: Fix indentation and comments.
2857 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2859 * tree-if-conv.c: Sort static functions in topological order.
2861 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2863 * tree-if-conv.c: Fix indentation and comments.
2865 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2868 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2869 lang_hooks.types.type_for_size instead of
2870 build_nonstandard_integer_type.
2871 When converting an unsigned type to signed, double its precision.
2872 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2873 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2874 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2877 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2880 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2881 POINTER_PLUS_EXPR for pointer types.
2883 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2886 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2887 * graphite-clast-to-gimple.c: Include langhooks.h.
2888 (max_signed_precision_type): New.
2889 (max_precision_type): Takes two types as arguments.
2890 (precision_for_value): New.
2891 (precision_for_interval): New.
2892 (gcc_type_for_interval): New.
2893 (gcc_type_for_value): New.
2894 (gcc_type_for_clast_term): New.
2895 (gcc_type_for_clast_red): New.
2896 (gcc_type_for_clast_bin): New.
2897 (gcc_type_for_clast_expr): Split up into several functions.
2898 (gcc_type_for_clast_eq): Rewritten.
2899 (compute_bounds_for_level): New.
2900 (compute_type_for_level_1): New.
2901 (compute_type_for_level): New.
2902 (gcc_type_for_cloog_iv): Removed.
2903 (gcc_type_for_iv_of_clast_loop): Rewritten.
2904 (graphite_create_new_loop): Compute the lower and upper bound types
2905 with gcc_type_for_clast_expr.
2906 (graphite_create_new_loop_guard): Same.
2907 (find_cloog_iv_in_expr): Removed.
2908 (compute_cloog_iv_types_1): Removed.
2909 (compute_cloog_iv_types): Removed.
2910 (gloog): Do not call compute_cloog_iv_types.
2911 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2913 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2914 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2915 (GBB_CLOOG_IV_TYPES): Removed.
2917 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2919 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2920 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2921 (detect_commutative_reduction): Same.
2923 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2925 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2926 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2928 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2929 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2930 (rewrite_commutative_reductions_out_of_ssa): Same.
2931 * passes.c (execute_function_todo): Call verify_ssa for every pass
2932 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2933 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2934 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2935 with an extra argument.
2936 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2937 verify_ssa only when the extra argument is true.
2938 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2939 with an extra argument.
2940 (tree_transform_and_unroll_loop): Same.
2942 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2944 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2945 for all the passes of the LNO having LOOP_CLOSED_SSA.
2946 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2947 * tree-loop-distribution.c (pass_loop_distribution): Same.
2948 * tree-pass.h (TODO_verify_loops): Removed.
2949 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2951 (pass_tree_unswitch): Same.
2952 (pass_predcom): Same.
2953 (pass_vectorize): Same.
2954 (pass_linear_transform): Same.
2955 (pass_graphite_transforms): Same.
2956 (pass_iv_canon): Same.
2957 (pass_complete_unroll): Same.
2958 (pass_complete_unrolli): Same.
2959 (pass_parallelize_loops): Same.
2960 (pass_loop_prefetch): Same.
2961 (pass_iv_optimize): Same.
2963 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2966 * passes.c (init_optimization_passes): Move pass_lim before
2967 pass_copy_prop and pass_dce_loop.
2969 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2972 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2973 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2974 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2975 MULTI_* defines for 4 argument vpermil2p* builtins.
2977 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2979 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2980 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2981 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2982 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2983 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2984 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2985 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2986 Use x86_maybe_negate_const_int to output insn mnemonic.
2987 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2988 check from instruction predicate. Update comments.
2989 * config/i386/sync.md (sync_add<mode>): Use
2990 x86_maybe_negate_const_int to output insn mnemonic.
2992 2010-04-06 Jan Hubicka <jh@suse.cz>
2994 PR tree-optimization/42906
2995 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2996 IGNORE_SELF argument. Set visited_control_parents for fully
2998 (find_obviously_necessary_stmts): Update call of
2999 mark_control_dependent_edges_necessary.
3000 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3002 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3004 * config/i386/i386.md: Remove comment about 'e' and 'E'
3007 2010-04-06 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/43627
3010 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3011 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3014 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3016 * BASE-VER: Change to 4.6.0.
3019 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3022 2010-04-06 Richard Guenther <rguenther@suse.de>
3025 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3027 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3029 * doc/invoke.texi (Optimize Options): Document that LTO
3030 won't remove object access purely due to incompatible
3033 2010-04-04 Matthias Klose <doko@ubuntu.com>
3035 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3036 Initialize variable.
3038 2010-04-03 Richard Guenther <rguenther@suse.de>
3041 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3042 require a non-NULL MEM_OFFSET.
3044 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3046 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3047 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3048 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3049 config/alpha/predicates.md, config/arm/arm.md,
3050 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3051 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3052 config/darwin9.h, config/darwin.c, config/darwin.h,
3053 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3054 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3055 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3056 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3057 config/mips/mips.md, config/mn10300/mn10300.c,
3058 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3059 config/rs6000/aix.h, config/rs6000/dfp.md,
3060 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3061 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3062 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3063 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3064 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3065 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3066 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3067 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3068 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3069 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3070 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3071 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3072 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3073 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3074 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3075 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3076 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3077 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3078 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3079 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3080 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3081 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3082 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3083 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3084 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3085 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3086 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3087 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3088 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3089 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3090 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3091 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3092 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3093 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3094 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3095 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3097 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3100 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3101 * aclocal.m4: Regenerate.
3103 2010-04-02 Richard Guenther <rguenther@suse.de>
3105 PR tree-optimization/43629
3106 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3107 if we have seen a constant value.
3109 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3111 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3113 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3116 * arm.c (legitimize_tls_address): Adjust call to
3117 gen_tls_load_dot_plus_four.
3118 (arm_note_pic_base): New function.
3119 (arm_cannot_copy_insn_p): Use it.
3120 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3123 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3128 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3130 * Makefile.in ($(out_object_file)): Depend on
3131 gt-$(basename $(notdir $(out_file))).h.
3133 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3135 * config.gcc (lm32-*-rtems*): Add t-lm32.
3137 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3139 * config.gcc: Add lm32-*-rtems*.
3140 * config/lm32/rtems.h: New file.
3142 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3145 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3147 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3149 * dwarf2out.c (output_compilation_unit_header): For
3150 -gdwarf-4 use version 4 instead of version 3.
3151 (output_line_info): For version 4 and above emit additional
3152 maximum ops per insn header field.
3153 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3155 * dwarf2out.c (is_c_family, is_java): Remove.
3156 (lower_bound_default): New function.
3157 (add_bound_info, gen_descr_array_type_die): Use it.
3159 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3162 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3163 re-declaration when it happens in a function.
3165 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3167 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3168 (cgraph_remove_function_insertion_hook): Same.
3169 (cgraph_call_function_insertion_hooks): Same.
3171 2010-04-01 Richard Guenther <rguenther@suse.de>
3174 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3175 and TREE_THIS_VOLATILE.
3176 (copy_ref_info): Likewise.
3177 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3178 * tree.c (build6_stat): Ignore side-effects of all but arg5
3179 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3182 2010-04-01 Richard Guenther <rguenther@suse.de>
3184 PR tree-optimization/43607
3185 * ipa-type-escape.c (check_call): Do not access non-existing
3188 2010-04-01 Richard Guenther <rguenther@suse.de>
3192 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3193 Jack Howarth <howarth@bromo.med.uc.edu>
3195 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3198 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3200 * doc/install.texi (Prerequisites): Document libelf usability on
3201 IRIX 5/6 and Solaris 2.
3202 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3203 Update GNU as, GNU ld requirements.
3204 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3205 Document Sun Studio compiler download.
3206 Update and simplify as, ld recommendations.
3207 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3209 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3211 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3212 with_tune_32 to pentium4.
3214 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3216 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3218 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3220 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3221 obsoletion, removal.
3223 Document GNU as requirement.
3224 Update configure requirements.
3225 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3226 Recomment IRIX 6.5.18+.
3227 Document IDF/IDL requirement.
3228 Document GNU as requirement.
3229 Document GNU ld bootstrap failure.
3230 Remove freeware.sgi.com reference.
3232 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3234 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3235 UNIX V4.0, V5.0 obsoletion, removal.
3236 Remove --with-gc=simple reference.
3237 Update VM requirements during bootstrap.
3238 Remove -oldas bootstrap description.
3239 Update binutils reference.
3240 Remove comparison failure note.
3242 2010-03-31 Richard Guenther <rguenther@suse.de>
3243 Zdenek Dvorak <ook@ucw.cz>
3244 Sebastian Pop <sebastian.pop@amd.com>
3247 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3248 with multiple arguments.
3249 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3251 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3253 * graphite-dependences.c (print_pddr): Call print_pdr with an
3255 * graphite-poly.c (debug_pdr): Add an extra argument for the
3258 (print_pbb_domain): Same.
3260 (print_scop_context): Same.
3262 (print_cloog): Same.
3263 (debug_pbb_domain): Same.
3267 (debug_scop_context): Same.
3269 (debug_cloog): Same.
3270 (print_scop_params): Same.
3271 (debug_scop_params): Same.
3272 (print_iteration_domain): Same.
3273 (print_iteration_domains): Same.
3274 (debug_iteration_domain): Same.
3275 (debug_iteration_domains): Same.
3276 (print_scattering_function): Same.
3277 (print_scattering_functions): Same.
3278 (debug_scattering_function): Same.
3279 (debug_scattering_functions): Same.
3280 * graphite-poly.h (debug_pdr): Update declaration.
3282 (print_pbb_domain): Same.
3284 (print_scop_context): Same.
3286 (print_cloog): Same.
3287 (debug_pbb_domain): Same.
3291 (debug_scop_context): Same.
3293 (debug_cloog): Same.
3294 (print_scop_params): Same.
3295 (debug_scop_params): Same.
3296 (print_iteration_domain): Same.
3297 (print_iteration_domains): Same.
3298 (debug_iteration_domain): Same.
3299 (debug_iteration_domains): Same.
3300 (print_scattering_function): Same.
3301 (print_scattering_functions): Same.
3302 (debug_scattering_function): Same.
3303 (debug_scattering_functions): Same.
3305 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3307 * graphite-poly.c (print_scattering_function_1): New.
3308 (print_scattering_function): Call it.
3309 (print_scop_params): Remove spaces at the end of lines.
3312 * graphite-poly.h (print_cloog): Declared.
3313 (debug_cloog): Declared.
3315 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3317 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3319 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3320 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3321 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3322 to switch between adding the IV bump in loop->latch or in loop->header.
3324 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3326 * graphite-poly.c (print_scattering_function): Pretty print following
3329 (print_pbb_domain): Same.
3330 (dump_gbb_cases): Same.
3331 (dump_gbb_conditions): Same.
3334 (print_scop_params): Same.
3335 (print_scop_context): Same.
3337 (print_pbb_body): New.
3338 (lst_indent_to): New.
3339 (print_lst): Start new lines with a #.
3340 * graphite-poly.h (pbb_bb): New.
3341 (pbb_index): Use pbb_bb.
3342 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3344 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3346 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3348 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3349 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3350 and 0 instead of 1 for dw_val_class_flag.
3351 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3352 dw_val_class_range_list, dw_val_class_loc_list,
3353 dw_val_class_lineptr and dw_val_class_macptr, use
3354 DW_FORM_flag_present for dw_val_class_flag and
3355 DW_FORM_exprloc for dw_val_class_loc.
3356 (output_die): For -gdwarf-4 print dw_val_class_loc
3357 size as uleb128 instead of 1 or 2 bytes and don't print
3358 anything for dw_val_class_flag.
3360 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3361 instead of cselib_lookup following by tweaking locs->setting_insn.
3364 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3365 even before returning from label, setjmp call or volatile asm
3368 2010-03-31 Richard Guenther <rguenther@suse.de>
3371 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3372 temporary data on stack.
3374 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3376 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3377 (PUSHSECTION_ASM_OP): Remove.
3378 (POPSECTION_ASM_OP): Remove.
3379 (PUSHSECTION_FORMAT): Remove.
3380 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3381 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3382 * config/sol2.c (solaris_output_init_fini): Use it.
3384 2010-03-31 Jie Zhang <jie@codesourcery.com>
3387 * opt-functions.awk (var_type_struct): Use signed char type
3388 for simple variables.
3390 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3392 * config/sol2.c: Include output.h.
3393 (solaris_assemble_visibility): New function.
3394 * config/t-sol2 (sol2.o): Add output.h dependency.
3395 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3396 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3399 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3402 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3403 V2SImode or XFmode on PRE_DEC.
3406 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3409 2010-03-31 Jie Zhang <jie@codesourcery.com>
3412 * reload.h (caller_save_initialized_p): Declare.
3413 * toplev.c (backend_init_target): Don't call
3414 init_caller_save but set caller_save_initialized_p to false.
3415 * caller-save.c (caller_save_initialized_p): Define.
3416 (init_caller_save): Check caller_save_initialized_p.
3417 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3419 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3422 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3423 and soft-fp/t-softfp to tmake_file.
3424 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3425 (LIBGCC2_TF_CEXT): Define.
3428 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3431 * cselib.c (n_useless_values): Document handling of debug locs.
3432 (n_useless_debug_values, n_debug_values): New variables.
3433 (new_elt_loc_list): Don't add to debug values, keep count.
3434 (promote_debug_loc): New.
3435 (cselib_reset_table): Zero new variables.
3436 (entry_and_rtx_equal_p): Promote debug locs.
3437 (discard_useless_locs): Increment n_useless_debug_values for
3439 (remove_useless_values): Adjust n_useless_values and n_debug_values
3440 with n_useless_debug_values.
3441 (add_mem_for_addr): Promote debug locs.
3442 (cselib_lookup_mem): Likewise.
3443 (cselib_lookup_addr): Renamed to...
3444 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3445 (cselib_log_lookup): ... this. Turn into...
3446 (cselib_lookup_addr): ... new wrapper.
3447 (cselib_lookup_from_insn): New.
3448 (cselib_invalidate_regno): Increment n_useless_debug_values for
3450 (cselib_invalidate_mem): Likewise.
3451 (cselib_process_insn): Take n_deleted and n_debug_values into
3452 account to guard remove_useless_value call.
3453 (cselib_finish): Zero n_useless_debug_values.
3454 * cselib.h (cselib_lookup_from_insn): Declare.
3455 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3456 (sched_analyze_2): Likewise.
3458 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3460 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3462 (adjust_mems): Replace narrowing SUBREG of expression containing
3463 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3464 with operations in the narrower mode.
3467 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3468 regs_invalidated_by_call instead all call_used_reg_set registers.
3470 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3473 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3474 pointer comparisons with types_compatible_p.
3475 * tree-vect-stmts.c (vectorizable_call): Same.
3476 (vectorizable_condition): Same.
3478 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3480 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3481 stack check if the mask would be zero.
3483 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3484 Jack Howarth <howarth@bromo.med.uc.edu>
3486 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3489 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3492 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3494 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3495 Include ___unordxf2 and ___unordtf2.
3496 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3499 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3501 * config/lm32/t-lm32: New file.
3502 * config.gcc: Use the above file when targetting lm32.
3504 2010-03-28 Duncan Sands <baldrick@free.fr>
3506 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3508 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3511 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3512 Improve vectorization cost model diagnostic.
3514 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3517 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3518 compute_data_dependences_for_loop returns false, early exit
3519 and output an extra diagnostic for the failed data reference
3522 2010-03-29 Richard Guenther <rguenther@suse.de>
3524 PR tree-optimization/43560
3525 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3526 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3528 2010-03-29 Jie Zhang <jie@codesourcery.com>
3531 * toplev.c (process_options): Set optimization_default_node
3532 and optimization_current_node.
3533 * opts.c (decode_options): Don't set optimization_default_node
3534 and optimization_current_node.
3536 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3538 * config/rtems.h: Abandon -qrtems_debug.
3540 2010-03-28 Jan Hubicka <jh@suse.cz>
3542 PR tree-optimization/43505
3543 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3544 map should not be copied.
3546 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3549 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3550 cdtors, set DECL_PRESERVE_P.
3551 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3554 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3556 PR tree-optimization/43528
3557 * stor-layout.c (place_field): Check that constant fits into
3558 unsigned HWI when skipping calculation of MS bitfield layout.
3560 2010-03-27 Jan Hubicka <jh@suse.cz>
3563 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3564 notice_global_symbol work.
3566 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3568 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3569 instead of dwarf2out_decl.
3570 (struct var_loc_node): Remove section_label field.
3571 (dwarf2out_function_decl): New function.
3572 (dwarf2out_var_location): Don't set section_label field.
3573 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3575 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3577 PR tree-optimization/43544
3578 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3579 First argument for builtin vectorized function hook is now a
3580 tree to be able to distinguish between machine specific and
3582 * targhooks.c (default_builtin_vectorized_function): Ditto.
3583 * targhooks.h (default_builtin_vectorized_function): Ditto.
3584 * target.h (struct gcc_target): Ditto.
3585 * tree-vect-stmts.c (vectorizable_function): Ditto.
3586 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3587 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3590 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3593 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3594 nested binding iff it is a FUNCTION_DECL.
3595 (store_parm_decls_newstyle): Pass nested=true to bind for
3596 FUNCTION_DECLs amongst parameters.
3598 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3600 * var-tracking.c (vt_expand_loc_callback): Don't run
3601 cselib_expand_value_rtx_cb in dummy mode if
3602 cselib_dummy_expand_value_rtx_cb returned false.
3604 * var-tracking.c (emit_note_insn_var_location): For one part
3605 notes with offset 0, don't add EXPR_LIST around the location.
3606 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3607 add_location_or_const_value_attribute): Adjust for that change.
3610 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3611 into first operand and location into second.
3612 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3613 dw_cfi_oprnd_loc for DW_CFA_expression.
3614 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3615 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3616 assume first argument is regnum and second argument is location.
3618 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3621 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3622 of scratch register to DImode. Split to DImode comparison operator.
3623 Use SImode subreg of scratch register in the multiplication.
3624 (*cmp_sadd_sidi): Ditto.
3625 (*cmp_ssub_si): Ditto.
3626 (*cmp_ssub_sidi): Ditto.
3628 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3631 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3632 Remove invalid assert and wrong comment.
3634 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3637 * flags.h (final_insns_dump_p): New extern.
3638 * final.c (final_insns_dump_p): New variable.
3639 (rest_of_clean_state): Set it before -fdump-final-insns=
3640 dumping, clear afterwards.
3641 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3642 MEM_ALIAS_SET on MEMs.
3644 2010-03-26 David S. Miller <davem@davemloft.net>
3646 * configure.ac: Fix sparc GOTDATA_OP bug check.
3647 * configure: Rebuild.
3649 2010-03-26 Alan Modra <amodra@gmail.com>
3651 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3653 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3655 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3656 TLS_SECTION_ASM_FLAG.
3658 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3661 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3662 Clear first_function_block_is_cold.
3665 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3666 argument if the argument is truth_value_p.
3668 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3670 * config/rs6000/constraints.md: Update copyright year for my changes.
3673 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3674 used in reg+reg addressing, swap registers.
3676 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3679 * target.h (struct gcc_target): Add code_end hook.
3680 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3682 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3683 * toplev.c (compile_file): Call targetm.asm_out.code_end
3684 hook before unwind info/debug info output.
3685 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3686 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3687 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3688 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3689 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3690 * config/i386/i386.c (ix86_file_end): Renamed to...
3691 (ix86_code_end): ... this. Make static. Don't call
3692 file_end_indicate_exec_stack. Emit unwind info using
3693 final_start_function/final_end_function.
3694 (darwin_x86_file_end): Remove.
3695 (TARGET_ASM_CODE_END): Define.
3696 * config/i386/i386.h (TARGET_ASM_FILE_END,
3697 NEED_INDICATE_EXEC_STACK): Don't define.
3698 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3699 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3700 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3701 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3704 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3705 at the beginning and final_end_function at the end.
3706 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3708 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3710 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3711 and Sun as TLS syntax.
3712 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3713 * configure: Regenerate.
3714 * config.in: Regenerate.
3715 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3716 (default_elf_asm_named_section): Use it.
3717 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3718 (i386_output_dwarf_dtprel): Likewise.
3719 (output_addr_const_extra): Likewise.
3720 (output_pic_addr_const): Lowercase @GOTTPOFF.
3721 (output_addr_const_extra): Likewise.
3722 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3723 (output_addr_const_extra): Likewise.
3724 (output_pic_addr_const): Lowercase @INDNTPOFF.
3725 (output_addr_const_extra): Likewise.
3726 (output_pic_addr_const): Lowercase @NTPOFF.
3727 (output_addr_const_extra): Likewise.
3728 (output_pic_addr_const): Lowercase @TPOFF.
3729 (output_addr_const_extra): Likewise.
3730 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3731 (*tls_global_dynamic_64): Likewise.
3732 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3733 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3735 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3736 (ASM_OUTPUT_TLS_COMMON): Use it.
3737 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3740 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3741 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3742 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3743 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3744 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3745 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3747 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3749 * config/i386/i386.c (override_options): Don't accept
3750 -mtls-dialect=sun any longer.
3751 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3752 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3753 (*tls_local_dynamic_base_32_sun): Likewise.
3754 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3756 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3759 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3760 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3763 * ira.c (adjust_cleared_regs): New function.
3764 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3768 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3770 * expr.c (expand_expr_real): Restore previous
3771 curr_insn_source_location and curr_insn_block after
3772 expand_expr_real_1 call.
3773 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3774 instead of expand_expr_real_1.
3776 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3778 PR rtl-optimization/43413
3779 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3782 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3785 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3786 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3788 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3790 * config/i386/i386.c (ix86_target_string): Add -mfma.
3791 Fix a typo in comment.
3793 2010-03-22 Mike Stump <mikestump@comcast.net>
3796 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3797 Don't overly align based upon packed packed fields.
3799 2010-03-22 Jason Merrill <jason@redhat.com>
3801 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3802 Use () rather than [], and move before the element type.
3804 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3806 * doc/configfiles.texi (Configuration Files): Removed
3807 fixinc/Makefile*, intl/Makefile.*.
3808 * doc/makefile.texi: Fixed markup. Abstract from version
3809 control system used.
3810 (Makefile): Removed obsolete gcc/java/parse.y example.
3811 * doc/sourcebuild.texi: Likewise.
3812 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3813 libgomp, libssp. Removed fastjar.
3814 (Miscellaneous Docs): Clarify location.
3815 Added COPYING3, COPYING3.LIB.
3816 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3818 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3821 * config/i386/i386.c (x86_function_profiler)
3822 [!NO_PROFILE_COUNTERS]: Fix typo.
3823 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3826 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3827 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3829 * doc/sourcebuild.texi (Test Directives): Split into six
3830 subsections, with most of the current text in new subsections
3831 Directives, Selectors, and Final Actions.
3832 (Directives): Split list of test directives into multiple
3834 (Selectors): Describe use and syntax of selectors.
3835 (Effective-Target Keywords): Describe all existing keywords.
3836 (Add Options): Describe features for dg-add-options.
3837 (Require Support): Describe variants of dg-require-support.
3838 (Final Actions): Describe commands to use in dg-final.
3840 2010-03-22 Michael Matz <matz@suse.de>
3843 * recog.c (validate_replace_rtx_group): Replace also in
3844 REG_EQUAL and REG_EQUIV notes.
3846 2010-03-22 Richard Guenther <rguenther@suse.de>
3848 PR tree-optimization/43390
3849 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3850 sure vector extracts are type correct.
3852 2010-03-22 Richard Guenther <rguenther@suse.de>
3855 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3856 x * sqrt (x) even when optimizing for size if the target
3857 has native support for sqrt.
3859 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3861 * varasm.c (make_decl_rtl_for_debug): Also clear
3862 flag_mudflap for the duration of make_decl_rtl call.
3865 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3866 locs from preserved VALUEs.
3868 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3871 * pa.md (movmemsi): Set align to one if zero.
3872 (movmemdi): Likewise.
3874 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3877 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3878 with their corresponding prologue pushes.
3880 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3883 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3884 at the begining or end.
3885 (spu_expand_epilogue): Likewise.
3887 2010-03-20 Richard Guenther <rguenther@suse.de>
3889 PR rtl-optimization/43438
3890 * combine.c (make_extraction): Properly zero-/sign-extend an
3891 extraction of the low part of a CONST_INT. Also handle
3894 2010-03-19 Mike Stump <mikestump@comcast.net>
3896 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3897 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3898 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3900 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3903 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3906 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3908 PR rtl-optimization/42258
3909 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3910 use that may match DEF.
3913 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3914 the cost of loading the constant rather than assuming
3916 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3917 outer code is AND, do the same tests as the andsi3 expander and
3918 return COSTS_N_INSNS (1) if and is cheap.
3920 * optabs.c (avoid_expensive_constant): Fix formatting.
3922 2010-03-19 Michael Matz <matz@suse.de>
3925 * attribs.c (decl_attributes): When rebuilding a function pointer
3926 type use the same qualifiers as the original pointer type.
3928 2010-03-19 Martin Jambor <mjambor@suse.cz>
3930 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3931 and is_gimple_ip_invariant_address.
3933 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3936 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3938 * config/arm/arm.c (arm_override_options): Turn off
3939 flag_dwarf2_cfi_asm for AAPCS variants.
3941 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3944 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3945 Use PRE_MODIFY instead of PRE_DEC.
3946 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3947 (vfp_emit_fstmd): Likewise.
3949 2010-03-19 Michael Matz <matz@suse.de>
3952 * builtins.c (expand_builtin_interclass_mathfn,
3953 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3956 2010-03-19 Richard Guenther <rguenther@suse.de>
3958 PR tree-optimization/43415
3959 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3960 (phi_translate_1): ... this.
3961 (phi_translate): Move all caching here. Cache all NARY
3962 and REFERENCE translations.
3964 2010-03-19 David S. Miller <davem@davemloft.net>
3966 With help from Eric Botcazou.
3967 * config/sparc/sparc.c: Include dwarf2out.h.
3968 (emit_pic_helper): Delete.
3969 (pic_helper_symbol_name): Delete.
3970 (pic_helper_emitted_p): Delete.
3971 (pic_helper_needed): New.
3972 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3973 (get_pc_thunk_name): New.
3974 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3975 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3976 Set pic_helper_needed to true. Don't call emit_pic_helper.
3977 (sparc_expand_prologue): Update load_pic_register call.
3978 (sparc_output_mi_thunk): Likewise.
3979 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3980 thunk if possible. Output CFI information as needed.
3982 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3983 Jack Howarth <howarth@bromo.med.uc.edu>
3986 * config/i386/i386.h: Fix ABI on darwin x86-32.
3988 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3990 * tree.h: Declare make_decl_rtl_for_debug.
3991 * varasm.c (make_decl_rtl_for_debug): New.
3992 * dwarf2out.c (rtl_for_decl_location): Call it.
3993 * cfgexpand.c (expand_debug_expr): Call it.
3995 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3998 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4002 * var-tracking.c (vt_init_cfa_base): Do nothing if
4003 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4005 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4008 * var-tracking.c (canonicalize_vars_star): New.
4009 (dataflow_post_merge_adjust): Use it.
4011 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4014 * var-tracking.c (non_suitable_const): New function.
4015 (add_uses): For DEBUG_INSNs with constants, don't record any
4016 value, instead just the constant value itself.
4017 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4018 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4019 (emit_notes_in_bb): Likewise.
4020 (emit_note_insn_var_location): For onepart variables if
4021 cur_loc is a VOIDmode constant, use DECL_MODE.
4023 2010-03-18 Martin Jambor <mjambor@suse.cz>
4026 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4027 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4028 all non-clones. Moved call redirection...
4029 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4030 (cgraph_materialize_all_clones): Dispose of all
4031 combined_args_to_skip bitmaps.
4032 (verify_cgraph_node): Do not check for edges pointing to wrong
4033 nodes in inline clones.
4034 * tree-inline.c (copy_bb): Call
4035 cgraph_redirect_edge_call_stmt_to_callee.
4036 * ipa.c (cgraph_remove_unreachable_nodes): Call
4037 cgraph_node_remove_callees even when there are used clones.
4039 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4041 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4043 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4046 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4049 2010-03-18 Michael Matz <matz@suse.de>
4052 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4053 into sqrt(x) if we need to preserve signed zeros.
4055 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4056 Eric Botcazou <ebotcazou@adacore.com>
4058 PR rtl-optimization/43360
4059 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4060 note if we don't know its invariant status.
4062 2010-03-18 Michael Matz <matz@suse.de>
4064 PR tree-optimization/43402
4065 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4066 PHI chains of ssa names registered for update.
4068 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4071 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4072 non-offsettable and pre_modify update addressing.
4073 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4074 and "2" alternatives "#".
4075 (*movdd_softfloat32): Make all alternatives "#";
4076 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4077 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4078 (*movdf_softfloat32): Make all alternatives "#";
4079 (movdi): Use the new DIFD mode iterator to create a common splitter
4080 for movdi, movdf and movdd patterns.
4082 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4084 * common.opt (dumpdir): Remove redundant tab.
4086 2010-03-17 Martin Jambor <mjambor@suse.cz>
4088 PR tree-optimization/43347
4089 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4090 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4092 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4094 PR rtl-optimization/42216
4095 * regrename.c (create_new_chain): New function, broken out from...
4096 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4097 appending a use to an empty chain.
4098 (build_def_use): Remove previous changes that convert OP_INOUT to
4099 OP_OUT operands; instead detect the case where an OP_INOUT operand
4100 uses a previously untracked register and create an empty chain for it.
4102 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4104 * doc/extend.texi (Function Attributes): Rewrite unfinished
4105 sentence in ms_abi documentation.
4107 2010-03-17 Alan Modra <amodra@gmail.com>
4109 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4110 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4111 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4112 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4114 2010-03-16 Richard Henderson <rth@redhat.com>
4117 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4118 (lower_try_finally): Save and restore eh_seq around the expansion
4121 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4123 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4124 statements before splitting block.
4126 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4128 * doc/sourcebuild.texi (Testsuites): Fix markup.
4129 Use pathnames relative to gcc/testsuite.
4130 (Test Directives): Move description of how timeout is determined.
4131 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4132 (C Tests): Correct gcc.misc-tests directory.
4133 Framework tests now live in gcc.test-framework.
4135 2010-03-16 Richard Guenther <rguenther@suse.de>
4138 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4139 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4141 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4142 Alexandre Oliva <aoliva@redhat.com>
4144 PR tree-optimization/42917
4145 * lambda-code.c (remove_iv): Skip debug statements.
4146 (lambda_loopnest_to_gcc_loopnest): Likewise.
4147 (not_interesting_stmt): Debug statements are not interesting.
4149 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4153 * cselib.c (cselib_preserve_constants,
4154 cfa_base_preserved_val): New static variables.
4155 (preserve_only_constants): New function.
4156 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4157 clear its REG_VALUES. If cselib_preserve_constants, don't
4158 empty the whole hash table, but preserve there VALUEs with constants,
4159 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4160 (cselib_preserve_cfa_base_value): New function.
4161 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4162 (cselib_init): Change argument to int bitfield. Set
4163 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4165 (cselib_finish): Clear cselib_preserve_constants and
4166 cfa_base_preserved_val.
4167 * cselib.h (enum cselib_record_what): New enum.
4168 (cselib_init): Change argument to int.
4169 (cselib_preserve_cfa_base_value): New prototype.
4170 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4171 * dse.c (dse_step1): Likewise.
4172 * cfgcleanup.c (thread_jump): Likewise.
4173 * sched-deps.c (sched_analyze): Likewise.
4174 * gcse.c (local_cprop_pass): Likewise.
4175 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4176 If FN is non-NULL, call the callback always and whenever it returns
4177 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4178 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4179 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4180 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4181 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4182 * var-tracking.c: Include recog.h.
4183 (bb_stack_adjust_offset): Remove.
4184 (vt_stack_adjustments): Don't call it, instead just gather the
4185 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4186 (adjust_stack_reference): Remove.
4187 (compute_cfa_pointer): New function.
4188 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4189 (struct adjust_mem_data): New type.
4190 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4192 (get_address_mode): New function.
4193 (replace_expr_with_values): Use it.
4194 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4195 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4196 (adjust_sets): Remove.
4197 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4198 Use get_address_mode.
4199 (get_adjusted_src): Remove.
4200 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4201 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4202 (add_with_sets): Don't call adjust_sets.
4203 (fp_setter, vt_init_cfa_base): New functions.
4204 (vt_initialize): Change return type to bool. Move most of pool etc.
4205 initialization to the beginning of the function from end. Pass
4206 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4207 If !frame_pointer_needed, call vt_stack_adjustment before mos
4208 vector is filled, call vt_init_cfa_base if argp/framep has been
4209 eliminated to sp. If frame_pointer_needed and argp/framep has
4210 been eliminated to hard frame pointer, set
4211 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4212 encountering fp setter in the prologue. For MO_ADJUST, call
4213 log_op_type before pusing the op into mos vector, not afterwards.
4214 Call adjust_insn before cselib_process_insn/add_with_sets,
4215 call cancel_changes (0) afterwards.
4216 (variable_tracking_main_1): Adjust for vt_initialize calling
4217 vt_stack_adjustments and returning whether it succeeded or not.
4219 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4221 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4224 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4226 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4228 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4229 drap_reg has not been set.
4231 2010-03-15 Michael Matz <matz@suse.de>
4234 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4235 use it to expand block copies.
4236 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4237 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4238 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4240 2010-03-15 Richard Guenther <rguenther@suse.de>
4242 PR tree-optimization/43367
4243 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4246 2010-03-15 Richard Guenther <rguenther@suse.de>
4248 PR tree-optimization/43317
4249 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4251 2010-03-15 Martin Jambor <mjambor@suse.cz>
4253 PR tree-optimization/43141
4254 * tree-sra.c (create_abstract_origin): New function.
4255 (modify_function): Call create_abstract_origin.
4257 2010-03-15 Chris Demetriou <cgd@google.com>
4259 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4262 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4265 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4266 call insert_out_of_ssa_copy for default definitions.
4268 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4270 * graphite-clast-to-gimple.c (my_long_long): Defined.
4271 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4272 * graphite-sese-to-poly.c (my_long_long): Defined.
4273 (scop_ivs_can_be_represented): Use it.
4275 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4277 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4278 graphite-max-bbs-per-function, and loop-block-tile-size.
4279 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4281 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4283 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4285 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4286 forward declaration.
4287 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4288 (add_upper_bounds_from_estimated_nit): New.
4289 (build_loop_iteration_domains): Use it.
4291 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4293 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4295 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4298 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4299 should be an INTEGER_CST. Also handle CASE_CONVERT.
4301 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4303 * graphite.c (graphite_initialize): To bound the number of bbs per
4304 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4305 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4306 * doc/invoke.texi: Document it.
4308 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4310 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4311 * graphite-sese-to-poly.h (build_poly_scop): Same.
4313 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4315 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4316 the number of parameters in the scop. Use as an upper bound
4317 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4318 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4319 * doc/invoke.texi: Document it.
4321 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4323 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4324 * doc/c-tree.texi: Remove.
4325 * doc/generic.texi: Merge c-tree.texi here.
4326 * doc/gccint.texi (Trees): Remove menu entry.
4327 (c-tree.texi): Remove @include.
4328 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4329 * doc/languages.texi (Reading RTL): Ditto.
4331 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4334 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4336 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4339 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4340 code added to work around reload clobbering CONST insns.
4342 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4344 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4345 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4346 (cselib_preserve_only_values): Remove retain argument, don't
4347 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4348 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4349 * var-tracking.c (micro_operation): Move insn field before union.
4350 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4351 (struct variable_tracking_info_def): Remove n_mos field, change
4352 mos into a vector of micro_operations.
4353 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4354 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4355 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4356 changing into a vector.
4357 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4358 come before all other uops generated by add_stores.
4359 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4361 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4362 a vector. Run just one pass over the bbs instead of separate counting
4363 and computation phase.
4364 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4367 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4368 into *nonlocalized_list vector.
4369 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4370 even if origin is non-NULL.
4371 (gen_variable_die): Likewise.
4372 (process_scope_var): Don't change origin.
4373 (gen_decl_die): Likewise.
4374 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4375 before adding new edges instead of after it, fix moving over
4378 2010-03-11 David S. Miller <davem@davemloft.net>
4380 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4382 * configure: Rebuild.
4384 2010-03-11 Martin Jambor <mjambor@suse.cz>
4386 PR tree-optimization/43257
4387 * tree.c (assign_assembler_name_if_neeeded): New function.
4388 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4390 * tree.h (assign_assembler_name_if_neeeded): Declare.
4391 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4392 the function if needed.
4394 2010-03-11 Chris Demetriou <cgd@google.com>
4396 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4397 include/stdint-gcc.h, and include/stdint.h world-readable.
4399 2010-03-11 Richard Guenther <rguenther@suse.de>
4401 PR tree-optimization/43255
4402 * tree-vrp.c (process_assert_insertions_for): Do not insert
4403 asserts for trivial conditions.
4405 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4407 PR tree-optimization/43280
4408 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4409 generation. Move calculation of size out of the if branch.
4410 (find_bswap): Modify compare number generation.
4412 2010-03-11 Richard Guenther <rguenther@suse.de>
4415 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4416 (input_gimple_stmt): Fixup handled component types during
4417 operand read. Also fix up decls in ADDR_EXPRs.
4419 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4421 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4422 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4424 2010-03-10 Jan Hubicka <jh@suse.cz>
4427 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4428 * varasm.c (get_variable_section): Don't do that here...
4429 (make_decl_rtl): ... and here.
4430 (do_assemble_alias): Produce decl RTL.
4431 (assemble_alias): Likewise.
4433 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4436 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4437 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4439 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4440 (based_loc_descr): Only express drap or vdrap regno based expressions
4441 using DW_OP_fbreg when not optimizing.
4442 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4443 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4444 REG_CFA_SET_VDRAP note.
4446 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4448 PR tree-optimization/43236
4449 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4450 error in calculation of base address in reverse iteration case.
4451 (generate_builtin): Take number of latch executions if the statement
4454 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4457 * tree-eh.c: Include pointer-set.h.
4458 (lower_eh_dispatch): Filter out duplicate case labels and
4459 remove the unneeded edge when the label is unused. Return
4460 true when some edges are removed.
4461 (execute_lower_eh_dispatch): When any lowering resulted in
4462 removing an edge, also delete unreachable blocks.
4464 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4467 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4468 UNSPEC_MACHOPIC_OFFSET.
4470 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4473 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4474 (m68k_delegitimize_address): New function.
4476 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4479 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4482 * var-tracking.c (adjust_sets): New function.
4483 (count_with_sets, add_with_sets): Use it.
4484 (get_adjusted_src): New inline function.
4485 (add_stores): Use it.
4488 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4489 call cselib_dummy_expand_value_rtx_cb instead of
4490 cselib_expand_value_rtx_cb.
4493 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4494 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4495 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4496 and .cfi_endproc around the pic thunks.
4497 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4498 all queued unwind info register saves are saved before the call.
4499 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4500 considered as sp-=4 for unwind info and the pop as sp+=4 which
4501 also clobbers dest, but doesn't actually restore it.
4504 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4505 RTX_FRAME_RELATED_P.
4507 2010-03-09 Jie Zhang <jie@codesourcery.com>
4509 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4510 whitespaces in output template.
4512 2010-03-09 Jie Zhang <jie@codesourcery.com>
4514 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4517 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4519 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4520 builtins.exp in a separate job.
4522 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4524 * graphite-sese-to-poly.c (add_param_constraints): Use
4525 lower_bound_in_type and upper_bound_in_type.
4527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4529 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4530 instead of unsigned_type_node.
4532 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4533 Reza Yazdani <reza.yazdani@amd.com>
4536 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4537 on pointer type parameters.
4539 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4543 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4544 handle conversions from pointer to integers.
4545 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4546 induction variable, to be able to work with code generated by CLooG.
4547 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4548 (build_poly_scop): Bail out if we cannot codegen a loop.
4550 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4552 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4553 code generation with gloog_error.
4555 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4557 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4558 Call fold_convert on all the returned values.
4559 (expand_scalar_variables_expr): Pass to
4560 expand_scalar_variables_ssa_name the type of the resulting expression.
4562 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4564 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4565 ppl_min_for_le_pointset.
4566 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4567 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4569 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4571 * graphite-dependences.c (map_into_dep_poly): Removed.
4572 (dependence_polyhedron_1): Use combine_context_id_scat.
4574 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4576 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4577 (struct poly_bb): Same.
4578 (combine_context_id_scat): New.
4580 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4583 * sese.c (name_defined_in_loop_p): Return false for default
4586 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4588 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4589 and clean up the logic.
4591 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4593 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4596 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4598 * var-tracking.c (remove_cselib_value_chains): Define only for
4600 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4601 delete_slot_part, emit_notes_for_differences_1): Don't call
4602 remove_cselib_value_chains here.
4603 (set_slot_part, emit_notes_for_differences_2): Don't call
4604 add_cselib_value_chains here.
4605 (preserved_values): New vector.
4606 (preserve_value): New function.
4607 (add_uses, add_stores, vt_add_function_parameters): Use it
4608 instead of cselib_preserve_value.
4609 (changed_values_stack): New vector.
4610 (check_changed_vars_0): New function.
4611 (check_changed_vars_1, check_changed_vars_2): Use it.
4612 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4613 changed_values_stack VALUEs.
4614 (vt_emit_notes): For all preserved_values call
4615 add_cselib_value_chains. If ENABLE_CHECKING call
4616 remove_cselib_value_chains before verifying value_chains is empty.
4617 Initialize and free changed_values_stack.
4618 (vt_initialize): Initialize preserved_values.
4619 (vt_finalize): Free preserved_values.
4621 2010-03-08 Richard Guenther <rguenther@suse.de>
4623 PR tree-optimization/43269
4624 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4627 2010-03-08 Martin Jambor <mjambor@suse.cz>
4629 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4630 (ipa_is_param_called): Removed.
4631 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4632 (ipa_print_node_params): Do not print the called flag.
4633 (ipa_write_node_info): Do not stream the called flag.
4634 (ipa_read_node_info): Likewise.
4636 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4639 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4640 * cselib.c (struct expand_value_data): Add dummy field.
4641 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4643 (cselib_dummy_expand_value_rtx_cb): New function.
4644 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4646 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4647 * var-tracking.c: Include pointer-set.h.
4648 (variable): Change n_var_parts to char from int. Add
4649 cur_loc_changed and in_changed_variables fields.
4650 (variable_canonicalize): Remove.
4651 (shared_var_p): New inline function.
4652 (unshare_variable): Maintain cur_loc_changed and
4653 in_changed_variables fields. If var was in changed_variables,
4654 replace it there with new_var. Just copy cur_loc instead of
4655 resetting it to something else.
4656 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4657 (dataflow_set_union): Don't call variable_canonicalize.
4658 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4659 of their DEBUG_EXPR_TREE_DECLs.
4660 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4661 and in_changed_variables and cur_loc_changed is false.
4662 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4663 and cur_loc_changed. Don't update cur_loc here.
4664 (variable_merge_over_src): Don't call variable_canonicalize.
4665 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4666 removing loc that is equal to cur_loc, clear cur_loc,
4667 set cur_loc_changed and ensure variable_was_changed is called.
4668 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4669 compare pointers in cur_loc check, if it is equal to loc,
4670 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4671 (variable_different_p): Remove compare_current_location argument,
4672 don't compare cur_loc.
4673 (dataflow_set_different_1): Adjust variable_different_p caller.
4674 (variable_was_changed): If dv had some var in changed_variables
4675 already, reset in_changed_variables flag for it and propagate
4676 cur_loc_changed over to the new variable. On empty var
4677 always set cur_loc_changed. Set in_changed_variables on whatever
4678 var is added to changed_variables.
4679 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4680 Use shared_var_p. When removing loc that is equal to cur_loc,
4681 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4682 end, don't set it to something else, just call variable_was_changed.
4683 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4684 loc being removed, clear cur_loc and set cur_loc_changed.
4685 Set cur_loc_changed if all locations have been removed.
4686 (struct expand_loc_callback_data): New type.
4687 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4688 allocated. Always create SUBREGs if simplify_subreg failed.
4689 Prefer to use cur_loc, when that fails and still in
4690 changed_variables (and seen first time) recompute it. Set
4691 cur_loc_changed of variables which had to change cur_loc and
4692 compute elcd->cur_loc_changed if any of the subexpressions used
4693 had to change cur_loc.
4694 (vt_expand_loc): Adjust to pass arguments in
4695 expand_loc_callback_data structure.
4696 (vt_expand_loc_dummy): New function.
4697 (emitted_notes): New variable.
4698 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4699 that weren't used for any other decl in current
4700 emit_notes_for_changes call call vt_expand_loc_dummy to update
4701 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4702 first loc_chain location if NULL before. Always use just
4703 cur_loc instead of first loc_chain location. When cur_loc_changed
4704 is false, when not --enable-checking=rtl just don't emit any note.
4705 When rtl checking, compute the note and assert it is the same
4706 as previous note. Clear cur_loc_changed and in_changed_variables
4707 at the end before removing from changed_variables.
4708 (check_changed_vars_3): New function.
4709 (emit_notes_for_changes): Traverse changed_vars to call
4710 check_changed_vars_3 on each changed var.
4711 (emit_notes_for_differences_1): Clear cur_loc_changed and
4712 in_changed_variables. Recompute cur_loc of new_var.
4713 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4714 (vt_emit_notes): Initialize and destroy emitted_notes.
4716 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4718 PR rtl-optimization/42220
4719 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4720 Use verify_reg_tracked to determine if we should use OP_OUT rather
4722 (build_def_use): If we see an in-out operand for a register that we
4723 know nothing about, treat is an output if possible, fail the block if
4726 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4729 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4732 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4735 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4736 uses of relevant DEFs that are dead outside the loop too.
4738 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4740 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4742 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4744 * var-tracking.c (values_to_unmark): New variable.
4745 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4746 values_to_unmark vector. Moved body to...
4747 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4748 instead queue it into values_to_unmark vector.
4749 (vt_find_locations): Free values_to_unmark vector.
4751 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4753 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4754 (site.exp): Export them when plugins are enabled.
4756 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4759 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4761 (chrec_fold_multiply): Same.
4763 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4766 * c-decl.c (build_compound_literal): Return early if init is
4769 2010-03-04 Martin Jambor <mjambor@suse.cz>
4771 PR tree-optimization/43164
4772 PR tree-optimization/43191
4773 * tree-sra.c (type_consists_of_records_p): Reject records with
4774 zero-size bit-fields at the end.
4776 2010-03-04 Mike Stump <mikestump@comcast.net>
4778 * Makefile.in (TAGS): Remove *.y.
4780 2010-03-04 Richard Guenther <rguenther@suse.de>
4782 PR tree-optimization/40761
4783 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4785 (my_rev_post_order_compute): New function.
4786 (init_pre): Call it.
4788 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4791 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4792 decrease the cost of an IV candidate when the cost is infinite.
4794 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4796 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4797 Use '3DNow!' for the extension of that name, ensure normal space
4799 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4801 2010-03-03 Jeff Law <law@redhat.com>
4803 * PR middle-end/32693
4804 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4805 than gen_rtx_SUBREG.
4806 (extract_bit_field_1): Likewise.
4808 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4810 * doc/sourcebuild.texi (Test directives): Document that arguments
4811 include-opts and exclude-opts are now optional for dg-skip-if,
4812 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4814 2010-03-03 Jason Merrill <jason@redhat.com>
4817 * cgraph.h (varpool_node): Add extra_name field.
4818 * varpool.c (varpool_extra_name_alias): New.
4819 (varpool_assemble_decl): Emit extra name aliases.
4820 (varpool_mark_needed_node): Look past an extra name alias.
4821 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4822 * lto-streamer-in.c (lto_input_tree): Read it.
4823 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4825 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4827 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4828 (sparc*-*-solaris2*): ...this.
4830 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4833 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4834 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4835 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4836 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4839 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4840 fallthrough to default handling, just with want_address 0 instead of 2.
4841 For single element lists, add_AT_loc directly, otherwise create an
4842 artificial variable DIE and stick location list to it.
4845 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4846 (VAL_EXPR_HAS_REVERSE): Define.
4847 (reverse_op): New function.
4848 (add_stores): For reversible operations add an extra MO_VAL_USE.
4850 2010-03-02 Jason Merrill <jason@redhat.com>
4852 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4854 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4856 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4857 (sparc64-*-linux*): Likewise.
4858 (sparc64-*-solaris2*): Include assembler files before linker ones.
4859 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4860 * config/sparc/gas.h: Delete.
4861 * config/sparc/sol2-64.h: Add copyright notice.
4862 * config/sparc/sol2-gas-bi.h: Likewise.
4863 * config/sparc/sol2-gld.h: Likewise.
4864 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4865 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4866 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4867 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4868 (sparc_elf_asm_named_section): Rename into...
4869 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4871 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4873 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4875 2010-03-02 Jeff Law <law@redhat.com>
4878 * reload1.c (rtx_p, substitute_stack): Declare.
4879 (substitute): Record addresses of changed rtxs.
4880 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4881 Restore the original rtx when complete.
4882 (reload): Free subsitute_stack when complete.
4884 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4886 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4887 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4889 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4890 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4891 Torture Tests): Change from subsection to section.
4893 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4894 Steven Bosscher <steven@gcc.gnu.org>
4896 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4899 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4902 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4903 the assignment from the new induction variable to the assignment
4904 of the value from the original loop PHI function.
4906 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4907 Daniel Jacobowitz <dan@codesourcery.com>
4909 * doc/sourcebuild.texi (Test directives): Clarify options to
4912 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4914 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4915 Disable cfi directives unless GCC and gas agree on using read-only
4916 .eh_frame sections for 64-bit.
4917 * configure: Regenerate.
4919 2010-03-01 Richard Guenther <rguenther@suse.de>
4921 PR tree-optimization/43220
4922 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4923 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4925 2010-03-01 Richard Guenther <rguenther@suse.de>
4926 Martin Jambor <mjambor@suse.cz>
4929 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4930 gimplified parameters.
4932 2010-03-01 Christian Bruel <christian.bruel@st.com>
4934 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4936 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4938 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4940 2010-03-01 Richard Guenther <rguenther@suse.de>
4943 * expr.c (expand_assignment): Use the alias-oracle to tell
4944 if the rhs aliases the result decl.
4946 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4949 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4950 to sol_gt_pch_get_address.
4951 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4952 64-bit, SPARC and x86.
4953 (sol_gt_pch_get_address): New function.
4955 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4957 * toplev.h (inform_n, error_n): Declare.
4958 * diagnostic.c (inform_n, error_n): New function.
4960 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4962 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4963 has no rtl yet when processing local_decls, queue it and recheck
4964 if deferred stack allocation hasn't assigned it rtl.
4966 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4968 * config/sh/sh.c (unspec_bbr_uid): New.
4969 (gen_block_redirect): Use it instead of INSN_UID.
4970 (gen_far_branch): Likewise.
4972 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4974 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4975 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4977 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4979 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4980 (Warning Options): -Wno-conversion-null is valid for
4981 Objective-C++ as well.
4982 * doc/tm.texi (Named Address Spaces): Likewise.
4983 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4984 * doc/tree-ssa.texi (Tree SSA): Likewise.
4986 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4989 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4990 by default. Don't set the default arch for
4991 i[34567]86-*-darwin*|x86_64-*-darwin*.
4993 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4996 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4997 default. Set the default 32bit/64bit archs with $with_arch
4998 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5000 2010-02-27 Richard Guenther <rguenther@suse.de>
5002 PR tree-optimization/43186
5003 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5004 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5005 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5006 unroller iterations.
5008 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5010 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5011 required and i[34567]86-*-* targets don't support 64bit ISA.
5013 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5016 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5019 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5021 * config.gcc: Set the default arch at least to Prescott for
5022 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5023 if SSE math is enabled.
5025 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5027 * diagnostic.c (diagnostic_initialize): Update.
5028 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5030 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5031 (diagnostic_inhibit_notes): New.
5032 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5034 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5037 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5038 * doc/standards.texi: Likewise.
5039 * doc/extend.texi: Likewise.
5040 * doc/trouble.texi: Likewise.
5041 * doc/cppopts.texi: Likewise.
5042 * doc/install.texi: Likewise.
5043 * c.opt (std=c90,std=gnu90): New options.
5044 * c-opts.c (c_common_handle_option): Handle them.
5046 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5049 * c-decl.c (undeclared_variable): Use an informative note.
5051 2010-02-26 Richard Guenther <rguenther@suse.de>
5053 PR tree-optimization/43186
5054 * gimple.h (gimple_fold): Remove.
5055 * gimple.c (gimple_fold): Remove. Inline into single user ...
5056 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5057 Try harder for conditions.
5059 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5062 * function.c (used_types_insert): Don't skip through named pointer
5063 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5064 and it is different from the main variant's type.
5066 2010-02-26 Nick Clifton <nickc@redhat.com>
5068 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5070 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5072 * config.gcc: Support --with-fpmath=sse for x86.
5074 * config/i386/ssemath.h: New.
5076 * doc/install.texi (--with-fpmath=sse): Documented.
5078 2010-02-26 Richard Guenther <rguenther@suse.de>
5080 PR tree-optimization/43188
5081 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5082 vector types of over-aligned element type.
5084 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5087 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5088 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5090 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5092 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5094 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5096 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5097 * var-tracking.c: Include diagnostic.h.
5098 (debug_dv): New function.
5099 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5102 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5103 (add_value_chain, add_value_chains, remove_value_chain,
5104 remove_value_chains): Handle DEBUG_EXPRs.
5105 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5108 * regcprop.c (struct queued_debug_insn_change): New type.
5109 (struct value_data_entry): Add debug_insn_changes field.
5110 (struct value_data): Add n_debug_insn_changes field.
5111 (debug_insn_changes_pool): New variable.
5112 (free_debug_insn_changes, apply_debug_insn_changes,
5113 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5114 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5115 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5117 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5119 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5120 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5121 changes, call cprop_find_used_regs via note_stores.
5122 (copyprop_hardreg_forward): When copying vd from predecessor
5123 which has any queued DEBUG_INSN changes, make sure the pointers are
5124 cleared. At the end call df_analyze and then if there are any
5125 DEBUG_INSN changes queued at the end of some basic block for still
5126 live registers, apply them.
5127 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5129 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5131 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5134 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5136 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5137 targets. Set the default with_cpu/with_arch from arch/cpu.
5138 Allow x86-64 and native for with_cpu/with_arch.
5140 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5142 * ebitmap.c: Change calls to verify_popcount with calls to
5143 sbitmap_verify_popcount.
5144 (ebitmap_clear_bit): Fixed map->cacheindex test and
5145 map>cache update when bit clearing results in an empty
5148 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5151 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5152 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5153 and support both V2DF and V2DI modes.
5154 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5155 support both V2DF and V2DI modes.
5156 (general): Delete trailing whitespace from a few patterns.
5158 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5159 V2DF/V2DI interleave high/low builtins.
5161 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5164 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5165 interleave high/low functions.
5167 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5169 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5170 #pragma extern_prefix.
5172 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5175 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5176 BLKmode, assert op0 is a MEM and just adjust its mode.
5179 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5180 if bitpos isn't multiple of mode's bitsize.
5182 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5184 * c.opt (-ftemplate-depth=): New.
5185 (-ftemplate-depth-): Deprecate.
5186 * optc-gen.awk: Handle -ftemplate-depth=.
5187 * opth-gen.awk: Likewise.
5188 * c-opts.c (c_common_handle_option): Likewise.
5189 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5191 2010-02-24 Jason Merrill <jason@redhat.com>
5193 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5195 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5197 * cfg.c (alloc_aux_for_block): Remove inline.
5198 (alloc_aux_for_edge): Likewise.
5200 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5202 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5204 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5206 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5207 * config/i386/sol2-gas.h: New file.
5208 * config.gcc (i[34567]86-*-solaris2*): Use it.
5210 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5213 * c-typeck.c (ep_convert_and_check): New.
5214 (build_conditional_expr): Use it.
5215 (build_binary_op): Likewise.
5217 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5219 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5222 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5223 bounds even for -O+.
5224 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5225 expr needs to have DECL_NAME set.
5227 2010-02-24 Nick Clifton <nickc@redhat.com>
5229 * config/mep/mep.c: Include gimple.h.
5230 (mep_function_uses_sp): Delete unused function.
5231 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5232 parameters. Use unsigned integers to count args. Return a
5233 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5235 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5238 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5239 greater or equal to nelt instead of 2 * nelt.
5240 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5243 2010-02-23 Jason Merrill <jason@redhat.com>
5246 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5247 in cfun->local_decls even if they have register types.
5250 * stor-layout.c (place_field): Don't warn about unnecessary
5251 DECL_PACKED if the type is packed.
5253 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5256 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5257 GOTOFF relocs, even when the base reg isn't pic pointer.
5259 2010-02-23 Michael Matz <matz@suse.de>
5262 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5263 (expand_gimple_basic_block): Generate and use debug temps if there
5264 are debug uses left after the last real use of TERed ssa names.
5265 Unlink debug immediate uses when they are expanded.
5267 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5270 * config/i386/i386.c (override_options): Reorganise to provide
5271 better error messages.
5273 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5276 * graphite-scop-detection.c (create_single_exit_edge): Move
5277 the call to find_single_exit_edge to....
5278 (create_sese_edges): ...here. Don't handle multiple edges
5279 exiting the function.
5280 (build_graphite_scops): Don't handle multiple edges
5281 exiting the function.
5283 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5286 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5287 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5289 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5292 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5294 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5297 * c-typeck.c (convert_arguments): Print declaration location.
5298 * c-common.c (validate_nargs): Rename as
5299 builtin_function_validate_nargs.
5300 (check_builtin_function_arguments): Update.
5302 2010-02-22 Richard Guenther <rguenther@suse.de>
5305 * tree-inline.c (declare_return_variable): Use the type of
5306 the call stmt lhs if available.
5308 2010-02-22 Duncan Sands <baldrick@free.fr>
5310 * passes.c (register_pass): Always consider all pass lists when
5311 ref_pass_instance_number is zero.
5313 2010-02-22 Richard Guenther <rguenther@suse.de>
5315 PR tree-optimization/42749
5316 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5317 parameter. Do arithmetic in the original type.
5318 (update_accumulator_with_ops): Likewise.
5319 (adjust_accumulator_values): Adjust.
5321 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5323 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5324 (QI to BLKmode splitter): New splitter.
5326 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5328 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5329 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5331 2010-02-22 Richard Guenther <rguenther@suse.de>
5333 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5335 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5337 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5338 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5339 ($(T)crti.o, $(T)crtn.o): Remove rules.
5341 2010-02-21 Tobias Burnus <burnus@net-b.de>
5344 * doc/invoke.texi (-fassociative-math): Document that this
5345 option is automatically enabled for Fortran.
5347 2010-02-20 David S. Miller <davem@davemloft.net>
5349 * configure.ac: Test if linker and assembler properly support
5350 GOTDATA_OP relocations.
5351 * configure: Rebuild.
5352 * config.in: Likewise.
5353 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5354 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5355 (movsi_high_pic): Likewise.
5356 (movdi_lo_sum_pic): Likewise.
5357 (movdi_high_pic): Likewise.
5358 (movsi_pic_gotdata_op): New pattern.
5359 (movdi_pic_gotdata_op): Likewise.
5360 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5361 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5363 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5366 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5367 attribute to ssemul.
5368 (xop_mulv2div2di3_high): Ditto.
5370 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5373 * c.opt (Wconversion-null): New option.
5374 * doc/invoke.texi (Wconversion-null): Document.
5376 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5378 * common.opt (Wlarger-than-): Add Undocumented.
5380 2010-02-19 Mike Stump <mikestump@comcast.net>
5382 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5384 2010-02-19 Jason Merrill <jason@redhat.com>
5387 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5388 * configure: Likewise.
5390 2010-02-20 Alan Modra <amodra@gmail.com>
5393 * cgraph.h (cgraph_make_decl_local): Declare.
5394 * cgraph.c (cgraph_make_decl_local): New function.
5395 (cgraph_make_node_local): Use it.
5396 * cgraphunit.c (cgraph_function_versioning): Likewise.
5397 * ipa.c (function_and_variable_visibility): Likewise.
5399 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5402 * except.c (sjlj_emit_function_enter): Don't call
5403 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5405 * rtl.h (add_reg_br_prob_note): Remove prototype.
5407 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5410 * c-common.c (conversion_warning): Remove widening conversions
5411 before checking the conversion of integers to reals.
5413 2010-02-19 Mike Stump <mikestump@comcast.net>
5416 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5419 * cgraphunit.c (process_function_and_variable_attributes): Check
5420 DECL_PRESERVE_P instead of looking up attribute "used".
5421 * ipa-pure-const.c (check_decl): Likewise.
5422 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5423 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5424 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5425 instead of attribute "used".
5426 * config/sol2-c.c (solaris_pragma_init): Likewise.
5427 (solaris_pragma_fini): Likewise.
5429 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5431 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5432 Use XCNEW instead of xcalloc.
5433 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5434 XNEW instead of xmalloc.
5435 (get_fields): Use XNEWVEC instead of xmalloc.
5438 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5439 populate vars array.
5440 (create_new_general_access): For debug stmts just reset value.
5441 (get_stmt_accesses): For accesses within debug stmts just record them
5442 using add_access_to_acc_sites instead of preventing the peeling or
5443 counting them as accesses.
5446 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5448 2010-02-19 Richard Guenther <rguenther@suse.de>
5450 PR tree-optimization/42916
5451 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5454 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5456 * configure.ac: Replace all uses of changequote in macro arguments
5457 with proper quoting.
5459 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5462 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5464 2010-02-19 Richard Guenther <rguenther@suse.de>
5466 PR tree-optimization/42944
5467 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5468 test for aliasing with errno.
5470 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5473 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5474 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5475 * dojump.c: Include output.h.
5476 (inv): New inline function.
5477 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5478 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5479 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5480 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5481 argument, pass it down to other calls.
5482 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5483 add REG_BR_PROB note to the conditional jump.
5484 * cfgexpand.c (add_reg_br_prob_note): Removed.
5485 (expand_gimple_cond): Don't call it, add the probability
5486 as last argument to jumpif_1/jumpifnot_1.
5487 * Makefile.in (dojump.o): Depend on output.h.
5488 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5490 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5491 * stmt.c (do_jump_if_equal): Likewise.
5492 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5493 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5494 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5496 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5497 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5498 jumpifnot_1 callers.
5499 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5501 (store_expr): Adjust jumpifnot caller.
5502 (store_constructor): Adjust jumpif caller.
5505 * gimplify.c (gimple_boolify): For __builtin_expect call
5506 gimple_boolify also on its first argument.
5508 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5510 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5512 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5513 * configure: Regenerated.
5515 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5517 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5518 lang_hooks.types_compatible_p instead of comptypes.
5520 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5522 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5523 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5524 if __prefer_thumb__ is defined.
5526 2010-02-18 Martin Jambor <mjambor@suse.cz>
5528 PR tree-optimization/43066
5529 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5530 array with zero-sized element type.
5532 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5534 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5535 rtx, allocate struct var_loc_node here and return it to the
5536 caller, and only if it is actually needed.
5537 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5538 move it earlier and return immediately if it returns NULL.
5540 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5542 * config/sparc/gas.h: New file. Restore
5543 TARGET_ASM_NAMED_SECTION to its ELF default.
5544 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5546 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5547 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5548 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5549 after sparc/sysv4.h.
5551 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5553 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5555 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5557 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5558 patterns from predicated pattern.
5560 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5563 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5564 for insn mnemonic suffix.
5566 2010-02-17 Richard Guenther <rguenther@suse.de>
5568 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5571 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5574 * caller-save.c (save_call_clobbered_regs): If BB ends with
5575 a DEBUG_INSN, move any notes in between last real insn and the last
5576 DEBUG_INSN after the last DEBUG_INSN.
5578 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5580 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5581 Fix return type. Fix argument type. Explain meaning of return value.
5583 2010-02-16 Richard Guenther <rguenther@suse.de>
5585 PR tree-optimization/41043
5586 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5587 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5589 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5591 2010-02-16 Ira Rosen <irar@il.ibm.com>
5593 PR tree-optimization/43074
5594 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5595 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5596 vectorizable cycles in hybrid SLP check.
5597 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5599 2010-02-16 Richard Guenther <rguenther@suse.de>
5601 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5602 (true_dependence): If memrefs_conflict_p computes must-alias
5603 trust it. Move TBAA check after offset-based disambiguation.
5604 (canon_true_dependence): Likewise.
5606 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5608 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5609 * doc/invoke.texi: Document it.
5610 * var-tracking.c: Include toplev.h and params.h.
5611 (vt_find_locations): Return bool indicating success. Compute
5612 hash sizes unconditionally. Check new parameter, report.
5613 (variable_tracking_main_1): Check vt_find_locations results and
5614 retry. Renamed from...
5615 (variable_tracking_main): ... this. New wrapper to preserve
5616 flag_var_tracking_assignments.
5617 * Makefile.in (var-tracking.o): Adjust dependencies.
5619 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5620 Jakub Jelinek <jakub@redhat.com>
5623 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5624 if weak_import attribute is present.
5625 * config/darwin.c (machopic_select_section): Likewise.
5627 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5629 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5630 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5631 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5632 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5634 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5637 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5640 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5641 Rewrite text to refer to the names.
5643 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5645 * config/i386/i386-builtin-types.def
5646 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5647 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5648 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5649 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5650 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5651 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5652 IX86_BUILTIN_VPERMIL2PS256.
5653 (MULTI_ARG_4_DF2_DI_I): Defined.
5654 (MULTI_ARG_4_DF2_DI_I1): Defined.
5655 (MULTI_ARG_4_SF2_SI_I): Defined.
5656 (MULTI_ARG_4_SF2_SI_I1): Defined.
5657 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5658 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5659 __builtin_ia32_vpermil2ps256.
5660 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5661 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5662 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5663 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5664 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5665 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5666 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5667 CODE_FOR_xop_vpermil2v8sf3.
5668 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5669 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5670 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5671 (_mm256_permute2_pd): New.
5672 (_mm_permute2_ps): New.
5673 (_mm256_permute2_ps): New.
5675 2010-02-15 Nick Clifton <nickc@redhat.com>
5677 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5678 boolean parameters. Use emit_jump_insn when emitting a pop
5679 instruction containing a return insn.
5680 (push): Use 'true' rather than '1' as second parameter to F.
5681 (h8300_expand_prologue): Likewise.
5682 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5683 (h8300_expand_epilogue): Likewise.
5685 2010-02-15 Richard Guenther <rguenther@suse.de>
5688 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5691 2010-02-15 Nick Clifton <nickc@redhat.com>
5693 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5696 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5698 * intl.c (fake_ngettext): New function.
5699 * intl.h (fake_ngettext): Declare.
5700 (ngettext): Define macro.
5701 * collect2.c (notice_translated): New function.
5702 (main): Use notice_translated and ngettext.
5703 * collect2.h (notice_translated): Declare.
5705 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5707 * reorg.c (delete_computation): Comment fixes.
5708 * caller-save.c (setup_save_areas): Idem.
5709 * sel-sched-dump.c (dump_lv_set): Idem.
5712 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5714 * config/s390/s390.c (s390_sched_init): New function.
5715 (TARGET_SCHED_INIT): Target hook defined.
5717 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5718 Jack Howarth <howarth@bromo.med.uc.edu>
5719 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5722 Partial revert of unintended change in fix for PR41605.
5723 * config/darwin.h: Fix typo.
5724 * config/darwin9.h: Same.
5726 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5728 * c-pch.c (pch_init): Clear v.
5730 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5733 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5734 graphite_can_represent_init for MULT_EXPR.
5736 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5740 * graphite-sese-to-poly.c (remove_phi): New.
5741 (translate_scalar_reduction_to_array): Call remove_phi.
5743 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5746 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5747 * graphite-clast-to-gimple.h (gloog): Update declaration.
5748 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5749 * graphite-poly.h (struct poly_bb): Add missing comments.
5750 (struct scop): Add poly_scop_p field.
5752 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5753 * graphite.c (graphite_transform_loops): Build the polyhedral
5754 representation for each scop before code generation.
5755 * sese.c (rename_variables_in_operand): Removed.
5756 (rename_variables_in_expr): Return the renamed expression.
5757 (rename_sese_parameters): New.
5758 * sese.h (rename_sese_parameters): Declared.
5760 2010-02-11 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/42998
5763 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5764 POINTER_PLUS_EXPR properly.
5766 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5767 Changpeng Fang <changpeng.fang@amd.com>
5770 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5771 the cost of an IV candidate when the IV is used in a test against zero.
5773 * gcc.dg/tree-ssa/ivopts-3.c: New.
5775 2010-02-11 Richard Guenther <rguenther@suse.de>
5778 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5779 pointer-vs-decl case by swapping refs. Handle some cases
5780 of pointer-vs-decl disambiguations more conservatively.
5781 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5782 to false after expanding.
5784 2010-02-11 Richard Guenther <rguenther@suse.de>
5787 * gcc.c (process_command): Handle LTO file@offset case more
5790 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5792 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5793 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5795 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5797 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5798 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5799 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5800 Optimize eq/ne comparisons when both arguments are known to be
5802 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5803 Don't mask operands unnecessarily if they are known to be already
5806 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5808 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5811 2010-02-10 Richard Guenther <rguenther@suse.de>
5813 PR tree-optimization/43017
5814 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5815 for wrapping signed arithmetic.
5817 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5820 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5821 if no debug info should be emitted for it.
5823 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5825 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5826 note when flag_exceptions is set.
5828 2010-02-10 Duncan Sands <baldrick@free.fr>
5830 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5832 2010-02-10 Richard Guenther <rguenther@suse.de>
5835 * tree.c (get_unwidened): Handle constants.
5836 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5838 2010-02-10 Martin Jambor <mjambor@suse.cz>
5841 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5842 check for variable argument counts independently.
5844 2010-02-10 Christian Bruel <christian.bruel@st.com>
5847 * config/sh/sh.c (find_barrier): Increase length for non delayed
5848 conditional branches.
5850 2010-02-10 Christian Bruel <christian.bruel@st.com>
5852 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5854 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5856 * builtins.c (set_builtin_user_assembler_name): Also handle
5857 ffs if int is smaller than word.
5859 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5862 * ira-conflicts.c (get_dup): Remove.
5863 (process_reg_shuffles): Add new parameter. Use it as an
5864 additional guard for copy generation.
5865 (add_insn_allocno_copies): Rewrite.
5867 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5869 * common.opt (fsched2-use-traces): Preserved for backward
5871 * doc/invoke.texi: Remove the documentation about option
5872 -fsched2-use-traces.
5873 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5874 flag_sched2_use_traces.
5875 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5876 the backward compatibility flag section.
5878 2010-02-09 Richard Guenther <rguenther@suse.de>
5880 PR tree-optimization/43008
5881 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5882 make HEAP variables initialized from global memory if they
5883 are not known builtin functions.
5884 (find_func_aliases): Adjust.
5886 2010-02-09 Richard Guenther <rguenther@suse.de>
5888 PR tree-optimization/43000
5889 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5890 arithmetic manually.
5892 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5894 PR tree-optimization/42931
5895 * tree-loop-linear.c (try_interchange_loops): Don't call
5896 double_int_mul if estimated_loop_iterations failed.
5898 2010-02-08 Martin Jambor <mjambor@suse.cz>
5901 * tree-sra.c (build_accesses_from_assign): Do not mark in
5902 should_scalarize_away_bitmap if stmt has volatile ops.
5903 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5906 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5908 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5910 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5912 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5915 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5918 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5920 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5923 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5924 to unknown_dependence.
5925 (graphite_legal_transform_dr): Handle the unknown_dependence.
5926 (graphite_carried_dependence_level_k): Same.
5928 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5930 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5932 2010-02-07 Richard Guenther <rguenther@suse.de>
5935 * expr.c (get_inner_reference): Always initialize *pbitsize.
5937 2010-02-07 Richard Guenther <rguenther@suse.de>
5940 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5941 new ARRAY_REFs on variable size element or minimal index arrays.
5943 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5944 gimple_fold_indirect_ref.
5946 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5949 * arm.c (arm_override_options): Just return if the user has specified
5950 an invalid fpu name.
5952 2010-02-03 Jason Merrill <jason@redhat.com>
5955 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5956 i386_pe_maybe_record_exported_symbol.
5958 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5961 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5962 (pa_delegitimize_address): New function.
5964 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5966 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5967 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5969 2010-02-05 Richard Guenther <rguenther@suse.de>
5972 * lto-streamer-in.c (get_resolution): Deal with references
5973 to undefined functions.
5975 2010-02-05 Richard Guenther <rguenther@suse.de>
5977 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5978 (fold_const_aggregate_ref): Likewise.
5979 (ccp_fold_stmt): Substitute loads.
5980 (maybe_fold_reference): Verify types before substituting.
5982 (fold_gimple_assign): Unshare properly.
5983 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5985 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5987 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5988 for rs6000_gen_cell_microcode.
5990 2010-02-04 Richard Guenther <rguenther@suse.de>
5992 PR rtl-optimization/42952
5993 * dse.c (const_or_frame_p): Remove MEM handling.
5995 2010-02-04 Nick Clifton <nickc@redhat.com>
5997 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5998 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5999 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6000 (mn10300_asm_output_mi_thunk): New function.
6001 (mn10300_can_output_mu_thunk): New function.
6002 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6003 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6004 (FUNCTION_ARG): Delete incorrect comment.
6006 2010-02-03 Jason Merrill <jason@redhat.com>
6009 * fold-const.c (operand_equal_p): Handle erroneous types.
6011 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6013 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6015 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6017 PR rtl-optimization/42941
6018 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6021 2010-02-03 Jason Merrill <jason@redhat.com>
6024 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6026 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6029 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6030 (cselib_reset_table): Renamed from...
6031 (cselib_reset_table_with_next_value): ... this.
6032 (cselib_get_next_uid): Renamed from...
6033 (cselib_get_next_unknown_value): ... this.
6034 * cselib.c (next_uid): Renamed from...
6035 (next_unknown_value): ... this.
6036 (cselib_clear_table): Adjust.
6037 (cselib_reset_table): Adjust. Renamed from...
6038 (cselib_reset_table_with_next_value): ... this.
6039 (cselib_get_next_uid): Adjust. Renamed from...
6040 (cselib_get_next_unknown_value): ... this.
6041 (get_value_hash): Use hash.
6042 (cselib_hash_rtx): Likewise.
6043 (new_cselib_val): Adjust. Set and dump uid.
6044 (cselib_lookup_mem): Pass next_uid as hash.
6045 (cselib_subst_to_values): Likewise.
6046 (cselib_log_lookup): Dump uid.
6047 (cselib_lookup): Pass next_uid as hash. Adjust.
6048 (cselib_process_insn): Adjust.
6049 (cselib_init): Initialize next_uid.
6050 (cselib_finish): Adjust.
6051 (dump_cselib_table): Likewise.
6052 * dse.c (canon_address): Dump value uid.
6053 * print-rtl.c (print_rtx): Print value uid.
6054 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6056 (dv_uid): New function, sort of renamed from...
6057 (dv_htab_hash): ... this, reimplemented in terms of it and...
6058 (dv_uid2hash): ... this. New.
6059 (variable_htab_eq): Drop excess assertions.
6060 (tie_break_pointers): Removed.
6061 (canon_value_cmp): Compare uids.
6062 (variable_post_merge_New_vals): Print uids.
6063 (vt_add_function_parameters): Adjust.
6064 (vt_initialize): Reset table. Adjust.
6066 2010-02-03 Richard Guenther <rguenther@suse.de>
6068 PR tree-optimization/42944
6069 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6070 (call_may_clobber_ref_p_1): Likewise. Properly handle
6071 malloc and calloc clobbering errno.
6073 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6075 * doc/invoke.texi: Fix name of sched1 dump.
6077 * opts.c (decode_options): Set flag_tree_switch_conversion
6078 only conditionally on optimize >= 2.
6080 * gcse.c: Assorted comment fixes in pass description.
6082 2010-02-03 Anthony Green <green@moxielogic.com>
6084 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6085 nop padding in order to maintain alignment of storage location of
6086 target function address.
6087 (moxie_trampoline_init): Store target function address at newly
6089 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6091 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6093 2010-02-03 Richard Guenther <rguenther@suse.de>
6096 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6098 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6100 * config.gcc: Reenable check for obsolete targets.
6101 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6102 mips-sgi-irix6.[0-4]*.
6104 2010-02-02 Nick Clifton <nickc@redhat.com>
6106 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6107 constant size of 4 as being the same as 0.
6108 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6109 can take values in the range 0..4.
6111 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6114 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6115 as _darwin10_Unwind_FindEnclosingFunction().
6116 * libgcc-libsystem.ver: New.
6118 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6121 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6122 implicitly set registers.
6124 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6126 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6127 (arm_override_options): Allow automatic selection of the thread
6128 pointer register if thumb2.
6129 (legitimize_pic_address): Improve code sequences for Thumb2.
6130 (arm_call_tls_get_addr): Likewise.
6131 (legitimize_tls_address): Likewise.
6132 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6133 (pic_load_addr_32bit): ... this. New named pattern.
6134 * thumb2.md (pic_load_addr_thumb2): Delete.
6135 (pic_load_dot_plus_four): Delete.
6136 (tls_load_dot_plus_four): New named pattern.
6138 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6141 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6142 Document fix for TLS bug.
6144 2010-01-31 Richard Guenther <rguenther@suse.de>
6146 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6147 conservatively correct.
6149 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6153 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6155 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6157 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6159 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6161 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6163 * config.gcc: Adjust order of makefile fragments for mingw targets.
6165 2010-01-31 Richard Guenther <rguenther@suse.de>
6168 * gimplify.c (gimplify_init_constructor): For volatile LHS
6169 initialize a temporary.
6171 2010-01-31 Matthias Klose <doko@ubuntu.com>
6173 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6175 * configure: Regenerate.
6177 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6179 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6180 the same alias set and their sizes different constantness.
6181 (aliasing_component_refs_p): Revert 2009-10-24 change.
6183 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6185 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6188 2010-01-29 Richard Guenther <rguenther@suse.de>
6190 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6191 Assert we successfully updated the call.
6193 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6195 PR rtl-optimization/42889
6196 * df.h (df_set_bb_dirty_nonlr): New prototype.
6197 * df-core.c (df_set_bb_dirty_nonlr): New function.
6198 * df-scan.c (df_insn_rescan): Call it instead of
6199 df_set_bb_dirty for DEBUG_INSNs.
6201 2010-01-29 Richard Guenther <rguenther@suse.de>
6204 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6205 quadratic behavior in most cases.
6207 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6210 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6211 in the call to gen_x86_movsicc_0_m1.
6213 2010-01-28 Richard Guenther <rguenther@suse.de>
6215 PR tree-optimization/42871
6216 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6218 2010-01-28 Richard Guenther <rguenther@suse.de>
6220 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6221 into call arguments.
6223 2010-01-28 Richard Guenther <rguenther@suse.de>
6226 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6227 the forwarder if the destination is an EH landing pad.
6229 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6231 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6232 block list passed to gimple_duplicate_sese_tail.
6233 (parallelize_loops): Avoid parallelization when the function
6235 Avoid parallelization when the preheader is IRREDUCIBLE.
6236 Try to optimize when estimated_loop_iterations_int is unresolved.
6237 Add the loop's location to the dump file.
6238 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6239 (gimple_duplicate_sese_tail): Remove the check for the latch.
6240 Redirect nexits to the exit block.
6241 Remove handling of the incoming edges to the latch.
6242 Redirect the backedge from the copied latch to the exit bb.
6244 2010-01-28 Michael Matz <matz@suse.de>
6247 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6248 Wrap force_reg into a sequence, emit it before user.
6250 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6252 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6254 (arm_legacy_rev): Likewise.
6255 (thumb_legacy_rev): Likewise.
6257 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6259 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6260 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6261 on MEM's address failed, try avoid_constant_pool_reference and
6262 recurse if it returned something different.
6263 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6264 address, try avoid_constant_pool_reference and recurse if it
6265 returned something different.
6266 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6267 address and avoid_constant_pool_reference returned something
6268 different, don't set have_address.
6270 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6273 * var-tracking.c (val_store): Add modified argument, obey it.
6275 (count_uses): Move down logging of main.
6276 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6277 don't need resolution.
6278 (emit_notes_in_bb): Likewise.
6280 2010-01-27 Richard Guenther <rguenther@suse.de>
6283 * tree-inline.c (remap_decl): Delay remapping of SSA name
6284 default definitions until we need them.
6286 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6288 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6289 (rs6000_delegitimize_address): New function.
6291 * config/s390/s390.c (s390_delegitimize_address): Call
6292 delegitimize_mem_from_attrs.
6295 * tree-inline.c (cannot_copy_type_1): Removed.
6296 (copy_forbidden): Don't forbid copying of functions containing
6297 records/unions with variable length fields.
6299 2010-01-27 Christian Bruel <christian.bruel@st.com>
6303 * config/sh/sh.c (find_barrier): Increase length for non delayed
6304 conditional branches.
6306 2010-01-27 Matthias Klose <doko@ubuntu.com>
6308 * configure.ac (gnu-unique-object): Fix ldd version check.
6309 * configure: Regenerate.
6311 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6313 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6315 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6316 Test for HAVE_GNU_AS value.
6318 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6320 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6321 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6322 INT64_TYPE): Define.
6323 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6324 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6325 INT_LEAST64_TYPE): Define.
6326 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6327 UINT_LEAST64_TYPE): Define.
6328 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6329 INT_FAST64_TYPE): Define.
6330 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6331 UINT_FAST64_TYPE): Define.
6332 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6333 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6334 (SIG_ATOMIC_TYPE): Define.
6336 2010-01-26 Richard Guenther <rguenther@suse.de>
6338 * df-scan.c (df_scan_set_bb_info): Remove assert.
6339 (df_insn_rescan_debug_internal): Merge asserts.
6340 (df_install_ref): Likewise.
6341 (df_mark_reg): Use bitmap_set_range.
6342 (df_hard_reg_used_p): Remove assert.
6343 (df_hard_reg_used_count): Likewise.
6345 2010-01-26 Richard Guenther <rguenther@suse.de>
6347 PR rtl-optimization/42685
6348 * web.c (web_main): Ignore DEBUG_INSNs.
6350 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6352 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6354 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6355 Fix types of fndecl and arglist parameters.
6357 2010-01-26 Richard Guenther <rguenther@suse.de>
6360 * tree-eh.c (unsplit_eh): Skip debug insns.
6362 2010-01-26 Richard Guenther <rguenther@suse.de>
6364 PR tree-optimization/42250
6365 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6367 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6370 * omp-low.c (expand_omp_sections): Only use single_pred if
6371 l2_bb is single_pred_p.
6373 2010-01-25 Christian Bruel <christian.bruel@st.com>
6376 * config/sh/sh.c (find_barrier): Increase length for non delayed
6377 conditional branches.
6378 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6380 2010-01-24 David S. Miller <davem@davemloft.net>
6382 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6383 define if not using GAS.
6384 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6385 Likewise. Delete SECTION_MERGE code, which is only applicable
6388 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6391 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6392 mangling of va_list in system headers.
6394 2010-01-23 Toon Moene <toon@moene.org>
6396 * tree-predcom.c (combine_chains): Return NULL, not false.
6398 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6400 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6401 initialization of variable res to agree with return type.
6403 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6405 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6406 * tree-sra.c: Add include of expr.h.
6408 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6410 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6411 insert the debug stmt on the single non-EH edge from the stmt.
6413 2010-01-22 Richard Henderson <rth@redhat.com>
6416 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6417 the RHS until after generate_subtree_copies has insertted its
6418 code before the current statement.
6420 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6422 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6424 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6426 2010-01-21 Martin Jambor <mjambor@suse.cz>
6428 PR tree-optimization/42585
6429 * tree-sra.c (struct access): New field grp_total_scalarization.
6430 (dump_access): Dump the new field.
6431 (should_scalarize_away_bitmap): New variable.
6432 (cannot_scalarize_away_bitmap): Likewise.
6433 (sra_initialize): Allocate new bitmaps.
6434 (sra_deinitialize): Free new bitmaps.
6435 (create_access_1): New function.
6436 (create_access): Parts moved to create_access_1.
6437 (type_consists_of_records_p): New function.
6438 (completely_scalarize_record): Likewise.
6439 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6440 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6441 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6443 (analyze_all_variable_accesses): Completely scalarize small eligible
6446 2010-01-21 Martin Jambor <mjambor@suse.cz>
6448 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6450 2010-01-21 Andrew Haley <aph@redhat.com>
6452 * gcc.c (process_command): Move lang_specific_driver before
6453 setting cc_libexec_prefix.
6455 2010-01-21 Richard Guenther <rguenther@suse.de>
6458 * fold-const.c (negate_expr_p): Pretend only negative
6459 real constants are easily negatable.
6461 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6462 Jason Merrill <jason@redhat.com>
6464 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6465 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6466 * calls.c (initialize argument_information): Handle it.
6467 * c-common.c (handle_transparent_union_attribute): Use new name.
6468 * c-decl.c (finish_struct): Ditto.
6469 * c-typeck.c (type_lists_compatible_p): Ditto.
6470 (convert_for_assignment): Use new name and also handle record.
6471 * function.c (aggregate_value_p): Handle it.
6472 (pass_by_reference): Ditto.
6473 (assign_parm_data_types): Ditto.
6474 * print-tree.c (print_node): Ditto.
6475 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6476 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6477 * tree.c (first_field): New fn.
6479 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6482 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6483 even when linking statically, for now.
6485 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6488 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6489 without a cselib val.
6490 (count_uses): Accept MO_VAL_SET with no val on stores.
6491 (add_stores): Likewise.
6493 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6495 * var-tracking.c (check_value_val): Add a compile time assertion.
6496 (dv_is_decl_p): Simplify.
6497 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6498 gcc_assert if ENABLE_CHECKING.
6500 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6503 * var-tracking.c: Include tree-flow.h.
6504 (mem_dies_at_call): New.
6505 (dataflow_set_preserve_mem_locs): Use it.
6506 (dataflow_set_remove_mem_locs): Likewise.
6507 (dump_var): Renamed from dump_variable. Adjust all callers.
6508 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6509 * Makefile.in (var-tracking.o): Adjust deps.
6511 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6513 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6515 2010-01-20 Richard Guenther <rguenther@suse.de>
6517 PR tree-optimization/42717
6518 * tree-ssa-dce.c (get_live_post_dom): Remove.
6519 (forward_edge_to_pdom): Take an arbitrary edge to copy
6520 degenerate PHI args from.
6521 (remove_dead_stmt): Use the first post-dominator even if it
6522 does not contain live statements as redirection destination.
6524 2010-01-20 Richard Guenther <rguenther@suse.de>
6526 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6528 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6530 * sel-sched.c (create_speculation_check): Remove set but not used
6532 (try_transformation_cache): Remove set but not used variable ds.
6533 (calculate_privileged_insns): Remove set but not used variables
6534 cur_insn and min_spec_insn.
6535 (find_best_expr): Remove set but not used variable avail_n.
6536 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6538 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6540 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6541 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6544 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6547 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6548 cpu types. Add support for *-sse3 cpu types.
6549 (x86_64-*-*): Ditto.
6551 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6554 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6555 argument, call initializer_constant_valid_p_1 instead of
6556 initializer_constant_valid_p, pass CACHE to it, return NULL
6557 immediately if first call returns NULL.
6558 (initializer_constant_valid_p_1): New function.
6559 (initializer_constant_valid_p): Use it.
6561 2010-01-20 Thomas Quinot <quinot@adacore.com>
6563 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6565 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6567 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6568 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6569 (loc_list_from_tree): Don't handle unsigned division. Handle
6570 signed modulo using DW_OP_{over,over,div,mul,minus}.
6571 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6572 modulo instead of signed.
6574 2010-01-20 DJ Delorie <dj@redhat.com>
6576 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6578 (h8300_emit_stack_adjustment): Propogate it.
6580 (h8300_expand_prologue): Likewise.
6581 (h8300_expand_epilogue): Likewise.
6583 2010-01-19 Michael Matz <matz@suse.de>
6585 PR tree-optimization/41783
6586 * tree-data-ref.c (toplevel): Include flags.h.
6587 (dump_data_dependence_relation): Also dump the inputs if the
6588 result will be unknown.
6589 (split_constant_offset_1): Look through some conversions.
6590 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6591 the offset from last element is too large.
6592 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6593 (reassociate_to_the_same_stmt): Handle vector registers.
6594 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6596 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6597 wide_prolog_niters argument, emit widening instructions.
6598 (vect_do_peeling_for_alignment): Adjust caller, use widened
6599 variant of the iteration cound.
6600 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6602 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6605 * config/arm/neon-testgen.m (emit_automatics): New parameter
6606 features. Adjust for Fixed_return_reg feature.
6607 (test_intrinsic): Call emit_automatics with new feature.
6608 * config/arm/neon.ml: Update copyright years.
6609 (features): New Fixed_return_reg feature.
6610 (ops): Update feature for Vget_low.
6612 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6614 PR tree-optimization/42719
6615 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6619 * fwprop.c (all_uses_available_at): Return false if def_set dest
6620 is a REG that is used in def_insn.
6622 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6624 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6626 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6629 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6631 * target.h (struct gcc_target) <secondary_reload>: Change type
6632 of last argument to secondary_reload_info *.
6634 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6637 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6638 memory references with unaligned offsets. Remove CQImode handling.
6639 (unaligned_memory_operand): Return 1 for memory references with
6640 unaligned offsets. Remove CQImode handling.
6642 2010-01-18 Richard Guenther <rguenther@suse.de>
6645 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6648 2010-01-18 Richard Guenther <rguenther@suse.de>
6650 PR tree-optimization/42781
6651 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6652 restrict processing only if the original variable was artificial.
6654 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6656 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6657 find number of popped argument bytes.
6659 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6660 Fix the text that describes the return value for invalid insns.
6662 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6664 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6665 Clarify what 'cost of the -dependence' is. Fix quoting.
6667 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6668 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6670 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6672 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6673 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6675 2010-01-17 Richard Guenther <rguenther@suse.de>
6678 * function.c (split_complex_args): Take a VEC to modify.
6679 (assign_parms_augmented_arg_list): Build a VEC instead of
6680 a chain of PARM_DECLs.
6681 (assign_parms_unsplit_complex): Take a VEC of arguments.
6682 Do not fixup unmodified parms.
6683 (assign_parms): Deal with the VEC.
6684 (gimplify_parameters): Likewise.
6686 2010-01-17 Richard Guenther <rguenther@suse.de>
6688 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6689 node existence check.
6690 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6691 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6692 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6693 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6694 (gimple_execute_on_growing_pred): Likewise.
6696 2010-01-17 Richard Guenther <rguenther@suse.de>
6698 PR tree-optimization/42773
6699 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6700 (compute_antic_aux): Likewise.
6701 (compute_partial_antic_aux): Likewise.
6703 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6706 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6709 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6711 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6714 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6715 Fix markup for strict argument.
6717 (TARGET_SCHED_REORDER2): Fix argument types.
6719 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6720 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6722 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6723 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6725 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6728 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6729 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6730 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6731 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6732 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6734 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6736 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6738 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6739 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6741 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6743 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6746 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6748 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6749 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6751 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6753 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6755 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6756 referring to it. Fix language.
6758 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6760 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6762 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6764 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6766 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6767 '@var{stream}. Remove stray 'and'.
6769 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6771 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6773 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6775 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6776 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6778 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6779 Fix description of return value.
6780 Rename argument "sz" to "len."
6782 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6783 Clarify meaning of 'true' return value.
6785 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6787 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6788 rep_mode versus mode_rep.
6790 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6792 (TARGET_BUILTIN_DECL): Fix name.
6794 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6796 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6798 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6800 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6802 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6804 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6807 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6808 Rename argument tm_fn to md_fn.
6810 (TARGET_OPTION_PRINT): Fix argument list.
6812 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6815 * config/i386/i386.c (ix86_fixup_binary_operands):
6816 Revert FMA4 fixup of operands.
6818 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6821 * Makefile.in (write_entries_to_file, install-plugin):
6822 Use \012 instead of \n with tr.
6824 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6826 * configure.ac (HAVE_AS_REF): New C macro.
6827 * configure: Regenerate.
6828 * config.in: Likewise.
6829 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6831 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6834 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6836 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6838 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6840 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6842 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6844 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6846 (TARGET_BINDS_LOCAL_P): Fix argument type.
6848 (TARGET_ASM_FILE_END): Use prototype.
6850 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6852 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6854 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6856 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6858 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6859 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6861 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6862 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6864 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6865 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6866 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6867 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6869 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6871 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6873 (TARGET_INIT_BUILTINS): Use prototype.
6875 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6876 Put 'const char *' in braces. Fix parameter types.
6877 (TARGET_INVALID_CONVERSION): Fix parameter types.
6878 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6879 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6881 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6884 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6886 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6888 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6890 * doc/tm.texi (TARGET_HELP): Fix return type.
6892 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6893 in braces. Fix argument types.
6895 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6897 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6899 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6901 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6902 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6904 (TARGET_MANGLE_TYPE): Fix argument types.
6906 (TARGET_IRA_COVER_CLASSES): Use prototype.
6908 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6910 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6912 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6914 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6916 (TARGET_CALLEE_COPIES): Fix argument types.
6918 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6920 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6922 (TARGET_FUNCTION_VALUE): Fix argument types.
6924 (TARGET_RETURN_IN_MSB): Fix argument type.
6926 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6928 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6930 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6932 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6933 agree with return type.
6935 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6937 2010-01-15 Jing Yu <jingyu@google.com>
6939 PR rtl-optimization/42691
6940 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6941 a pseudo to a constant and are merged, and adjust comments.
6943 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6945 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6947 2010-01-15 Richard Guenther <rguenther@suse.de>
6950 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6951 labels of computed or non-local gotos to the destination.
6952 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6953 landing pad label is the first label.
6955 2010-01-15 Richard Guenther <rguenther@suse.de>
6957 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6959 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6962 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6963 to allow generation of the xssqrtdp instruction on power7.
6964 (sqrtdf2_fpr): Ditto.
6966 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6969 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6970 functions with noreturn attribute.
6973 * varasm.c (declare_weak): Add weak attribute to decl if it
6974 doesn't have one already.
6975 (assemble_external): Only add decls to weak_decls if they also
6976 have weak attribute.
6978 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6980 * var-tracking.c (var_reg_delete): Don't delete the association
6981 between REGs and values or one-part variables if the register
6984 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6987 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6988 because its first operand is a non-localized variable.
6990 2010-01-14 Martin Jambor <mjambor@suse.cz>
6992 PR tree-optimization/42706
6993 * tree-sra.c (encountered_recursive_call): New variable.
6994 (encountered_unchangable_recursive_call): Likewise.
6995 (sra_initialize): Initialize both new variables.
6996 (callsite_has_enough_arguments_p): New function.
6997 (scan_function): Call decl and flags check only for IPA-SRA, check
6998 whether there is a recursive call and whether it has enough arguments.
6999 (all_callers_have_enough_arguments_p): New function.
7000 (convert_callers): Look for recursive calls only when
7001 encountered_recursive_call is set.
7002 (ipa_early_sra): Bail out either if
7003 !all_callers_have_enough_arguments_p or
7004 encountered_unchangable_recursive_call.
7006 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7008 * sel-sched.c: Add 2010 to copyright years.
7009 * sel-sched-ir.c: Likewise.
7010 * sel-sched-ir.h: Likewise.
7012 2010-01-14 Martin Jambor <mjambor@suse.cz>
7014 PR tree-optimization/42714
7015 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7016 constructors specially.
7018 2010-01-14 Andi Kleen <ak@linux.intel.com>
7020 * config/i386/drivers-i386.c (detect_caches_intel):
7021 Add l2sizekb parameter and fill in.
7022 (host_detect_local_cpu): Add l2sizekb, fill in.
7023 Add Atom small cache heuristic.
7025 2010-01-14 Andi Kleen <ak@linux.intel.com>
7027 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7028 Add level3 parameter and fill in.
7029 (detect_caches_intel): Handle level3 cache.
7031 2010-01-14 Andi Kleen <ak@linux.intel.com>
7033 * config/i386/drivers-i386.c (host_detect_local_cpu):
7034 Fix core duo detection.
7036 2010-01-14 Andi Kleen <ak@linux.intel.com>
7038 * config/i386/drivers-i386.c (host_detect_local_cpu):
7041 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7043 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7044 (rs6000_variable_issue_1): this. Use...
7045 (rs6000_variable_issue): here. Reimplement. Print debug info.
7047 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7049 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7050 sel_restore_notes. Update all callers. Call reemit_notes
7053 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7055 PR rtl-optimization/42246
7056 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7059 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7061 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7062 all successors is the same as number of successors in current region.
7064 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7066 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7067 to rename is not separable. Otherwise check that its LHS is not NULL.
7069 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7071 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7073 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7075 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7076 available registers when failed to discover LHS register class.
7077 Fix indentation. Update comment.
7079 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7080 Alexander Monakov <amonakov@ispras.ru>
7082 PR rtl-optimization/42389
7083 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7085 (advance_state_on_fence): Likewise.
7086 (sel_target_adjust_priority): Print debug output only when
7087 sched_verbose >= 4, not 2.
7088 (get_expr_cost): Do not issue all unique insns on the next cycle.
7089 (fill_insns): Initialize can_issue_more from the value saved
7091 * sel-sched-ir.c (flist_add): New parameter issue_more.
7092 Init FENCE_ISSUE_MORE with it.
7093 (merge_fences): Likewise.
7094 (init_fences): Update call to flist_add.
7095 (add_to_fences, add_clean_fence_to_fences)
7096 (add_dirty_fence_to_fences): Likewise.
7097 (move_fence_to_fences): Update call to merge_fences.
7098 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7100 * sel-sched-ir.h (struct _fence): New field issue_more.
7101 (FENCE_ISSUE_MORE): New accessor macro.
7103 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7105 PR rtl-optimization/42388
7106 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7107 that have no predecessors nor successors. Do not call move_bb_info
7108 for empty blocks outside of current region.
7110 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7112 PR rtl-optimization/42294
7113 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7114 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7115 originators' originators.
7117 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7119 PR rtl-optimization/39453
7120 PR rtl-optimization/42246
7121 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7123 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7125 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7126 Alexander Monakov <amonakov@ispras.ru>
7129 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7130 (maybe_tidy_empty_bb): ... here. Make static. Add new
7131 argument. Update all callers.
7132 (tidy_control_flow): ... and here. Recompute topological order
7133 of basic blocks in region if necessary.
7134 (sel_redirect_edge_and_branch): Change return type. Return true
7135 if topological order might have been invalidated.
7136 (purge_empty_blocks): Export and move from...
7137 * sel-sched.c (purge_empty_blocks): ... here.
7138 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7139 (maybe_tidy_empty_bb): Delete prototype.
7140 (purge_empty_blocks): Declare.
7142 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7144 PR rtl-optimization/42249
7145 * sel-sched.c (try_replace_dest_reg): When chosen register
7146 and original register is the same, do not bail out early, but
7147 still check all original insns for validity of replacing destination
7148 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7151 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7154 Port from no-undefined-overflow branch:
7155 2009-03-09 Richard Guenther <rguenther@suse.de>
7157 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7159 2010-01-14 Richard Guenther <rguenther@suse.de>
7162 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7164 2010-01-14 Ira Rosen <irar@il.ibm.com>
7166 PR tree-optimization/42709
7167 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7168 as scalar type in creation of constant vector operand.
7170 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7173 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7174 (check-parallel-%): Match `testsuite' directory component only
7177 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7179 PR translation/39521
7180 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7183 2010-01-13 Richard Guenther <rguenther@suse.de>
7185 PR tree-optimization/42730
7186 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7189 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7192 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7193 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7196 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7198 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7199 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7200 ___umulsi3_highpart.
7202 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7203 rather than schedule_insns if the pass is enabled.
7205 2010-01-13 Martin Jambor <mjambor@suse.cz>
7207 PR tree-optimization/42704
7208 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7211 2010-01-13 Martin Jambor <mjambor@suse.cz>
7213 PR tree-optimization/42703
7214 * tree-sra.c (analyze_access_subtree): Check that we can build a
7215 reference to the original data within the aggregate.
7217 2010-01-13 Richard Guenther <rguenther@suse.de>
7219 PR tree-optimization/42705
7220 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7222 2010-01-13 Richard Guenther <rguenther@suse.de>
7225 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7227 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7230 * var-tracking.c (values_to_unmark): New variable.
7231 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7232 values_to_unmark vector. Moved body to...
7233 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7234 instead queue it into values_to_unmark vector.
7235 (vt_find_locations): Free values_to_unmark vector.
7237 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7239 * config/s390/s390.c (override_options): Set
7240 default of max-pending-list-length to 256
7242 2010-01-13 Richard Guenther <rguenther@suse.de>
7245 * tree-pass.h (PROP_gimple_lcx): New.
7246 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7247 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7248 before the final cleanup_eh.
7249 (dump_properties): Dump PROP_gimple_lcx.
7250 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7251 (tree_lower_complex_O0): Remove.
7252 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7253 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7254 tree_lower_complex, schedule TODO_update_ssa.
7255 * lto-streamer-out.c (output_function): Stream the functions
7257 * lto-streamer-in.c (input_function): Likewise.
7258 (lto_read_body): Do not override them here.
7260 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7263 * c-typeck.c (build_c_cast): Fold value cast to union type before
7264 wrapping it in a CONSTRUCTOR.
7266 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7268 PR rtl-optimization/42699
7269 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7272 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7274 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7275 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7276 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7277 SUBTARGET_WARN_UNUSED_SPEC): ... here
7278 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7280 2010-01-12 Julian Brown <julian@codesourcery.com>
7282 * config/arm/neon-schedgen.ml (Utils): Don't try to
7283 open missing module.
7284 (find_with_result): New.
7286 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7289 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7290 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7292 PR tree-optimization/42645
7293 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7294 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7295 decl_map, set processing_debug_stmt to -1 and return name without
7298 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7300 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7301 binutils version, and reword target configuration description.
7303 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7305 * config/avr/avr.h (LINKER_NAME): Remove.
7307 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7310 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7311 that support VSX, warn for -mno-altivec if vsx is not disabled,
7314 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7315 Shujing Zhao <pearly.zhao@oracle.com>
7317 PR translation/42469
7318 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7319 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7320 character between option name and help text.
7321 * c.opt (imultilib): Likewise.
7323 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7325 * lto-streamer-out.c (output_unreferenced_globals): Output static
7328 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7330 PR rtl-optimization/42621
7331 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7332 optimizing for size.
7333 (duplicate_computed_gotos): Remove now-redundant check.
7335 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7338 * configure.ac: Save and restore LDFLAGS and LIBS
7339 * configure: Regenerate.
7341 2010-01-10 Richard Guenther <rguenther@suse.de>
7344 * builtins.c (fold_builtin_strlen): Add type argument and
7345 convert the resulting length to it.
7346 (fold_builtin_1): Adjust.
7348 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7350 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7351 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7353 (num_insns_constant_wide): Adjust for that change.
7355 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7358 * web.c (union_defs): Add used argument, to combine uses of
7360 (entry_register): Adjust type and tests of used argument.
7361 (web_main): Widen used for new use. Pass it to union_defs.
7362 * df.h (union_defs): Adjust prototype.
7364 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7367 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7368 uses in new incoming argument. Free body.
7369 (reset_debug_uses_in_loop): New.
7370 (analyze_insn_to_expand_var): Call the latter if the former found
7371 anything. Fix whitespace. Reject invalid dest overlaps before
7372 going through all insns in the loop.
7374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7377 * haifa-sched.c (dying_use_p): Debug insns don't count.
7379 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7382 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7383 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7384 (verify_gimple_call): Reject LHS in noreturn calls.
7386 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7390 * tree-vect-loop-manip.c (adjust_info): New type.
7391 (adjust_vec): New pointer to vector.
7392 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7393 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7394 (slpeel_update_phis_for_duplicate_loop): Use them.
7395 (slpeel_update_phi_nodes_for_guard1): Likewise.
7396 (slpeel_update_phi_nodes_for_guard2): Likewise.
7397 (slpeel_tree_peel_loop_to_edge): Likewise.
7398 (vect_update_ivs_after_vectorizer): Likewise.
7400 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7402 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7403 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7405 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7407 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7408 bogus uninitialized warning.
7410 2010-01-09 Richard Guenther <rguenther@suse.de>
7413 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7414 the evolution is compatible with the initial condition.
7416 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7418 * gcc.c (process_command): Update copyright notice dates.
7419 * gcov.c (print_version): Likewise.
7420 * gcov-dump.c (print_version): Likewise.
7421 * mips-tfile.c (main): Likewise.
7422 * mips-tdump.c (main): Likewise.
7424 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7427 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7429 (rotlhi3_8): Delete.
7431 (rotlsi3_8): Delete.
7432 (rotlsi3_16): Delete.
7433 (rotlsi3_24): Delete.
7435 (*rotw<mode>3): New.
7436 (*rotb<mode>3): New.
7437 * config/avr/avr.c (avr_rotate_bytes): New function.
7438 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7440 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7443 * configure.ac: Modify -rdynamic check.
7444 * configure: Regenerate.
7446 2010-01-08 DJ Delorie <dj@redhat.com>
7448 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7449 register popping order.
7451 2010-01-08 Richard Guenther <rguenther@suse.de>
7454 * c.opt (fsigned-char): Also let LTO handle this option.
7455 (funsigned-char): Likewise.
7457 2010-01-07 Richard Guenther <rguenther@suse.de>
7459 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7460 (gimple_op): Likewise.
7461 (gimple_op_ptr): Likewise.
7462 (gimple_assign_set_lhs): Remove gcc_assert.
7463 (gimple_assign_set_rhs1): Likewise.
7464 (gimple_assign_set_rhs2): Likewise.
7465 (gimple_call_set_lhs): Likewise.
7466 (gimple_call_set_fn): Likewise.
7467 (gimple_call_set_fndecl): Likewise.
7468 (gimple_call_fndecl): Likewise.
7469 (gimple_call_return_type): Likewise.
7470 (gimple_call_set_chain): Likewise.
7471 (gimple_call_num_args): Likewise.
7472 (gimple_call_set_arg): Likewise.
7473 (gimple_cond_set_code): Likewise.
7474 (gimple_cond_set_lhs): Likewise.
7475 (gimple_cond_set_rhs): Likewise.
7476 (gimple_cond_set_true_label): Likewise.
7477 (gimple_cond_set_false_label): Likewise.
7478 (gimple_label_set_label): Likewise.
7479 (gimple_goto_set_dest): Likewise.
7480 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7481 (gimple_debug_bind_get_value): Likewise.
7482 (gimple_debug_bind_get_value_ptr): Likewise.
7483 (gimple_debug_bind_set_var): Likewise.
7484 (gimple_debug_bind_set_value): Likewise.
7485 (gimple_debug_bind_reset_value): Likewise.
7486 (gimple_debug_bind_has_value_p): Likewise.
7487 (gimple_return_retval_ptr): Remove gcc_assert.
7488 (gimple_return_retval): Likewise.
7489 (gimple_return_set_retval): Likewise.
7490 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7491 (safe_referenced_var_iterator): Remove.
7492 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7493 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7494 (fill_referenced_var_vec): Remove.
7495 (first_readonly_imm_use): Remove redundant gcc_assert.
7496 (phi_arg_index_from_use): Combine gcc_asserts.
7497 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7498 (first_imm_use_stmt): Remove redundant gcc_assert.
7499 * tree-cfg.c (verify_gimple_call): Verify function and chain
7500 operands. Verify arguments.
7501 (verify_types_in_gimple_stmt): Verify condition code and labels.
7503 2010-01-07 Richard Guenther <rguenther@suse.de>
7505 PR tree-optimization/42641
7506 * sese.c (rename_map_elt_info): Use the SSA name version, do
7509 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7511 PR tree-optimization/42625
7512 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7513 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7515 2010-01-07 Duncan Sands <baldrick@free.fr>
7517 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7519 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7522 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7523 note itself is not function_invariant_p.
7525 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7527 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7528 Do not add the DF_NOTE problem.
7529 * store-motion.c (execute_rtl_store_motion): Likewise.
7531 2010-01-07 Martin Jambor <mjambor@suse.cz>
7533 PR tree-optimization/42157
7534 * tree-sra.c (compare_access_positions): Stabilize sort if both
7535 accesses have integer types, return zero immediately if they are the
7538 2010-01-06 Richard Henderson <rth@redhat.com>
7541 * haifa-sched.c (add_to_note_list): Merge into ...
7542 (concat_note_lists): ... here, and ...
7543 (unlink_other_notes, rm_other_notes): Merge into...
7544 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7545 NOTE_INSN_EPILOGUE_BEG.
7547 2010-01-06 Richard Guenther <rguenther@suse.de>
7549 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7550 not inline regular functions into always-inline functions.
7552 2010-01-06 Nick Clifton <nickc@redhat.com>
7554 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7555 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7557 (OVERRIDE_OPTIONS): Delete.
7558 (OPTIMIZATION_OPTIONS): Define.
7559 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7560 * config/rx/rx.c (rx_handle_option): Issue an error message if
7561 -mcpu=rx200 and -fpu are used together.
7562 (rx_set_optimization_options): New function. Issue an error
7563 message if an optimization attribute attempts to reset the FPU/
7564 math optimization pairing.
7565 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7566 * config/rx/rx.opt: Set the default to 32-bit doubles.
7567 * config/rx/t-rx: Add multilibs for -nofpu option.
7568 * doc/invoke.texi: Update documentation of RX options.
7570 2010-01-06 Richard Guenther <rguenther@suse.de>
7572 * tree-ssa-pre.c (name_to_id): New global.
7573 (alloc_expression_id): Simplify SSA name handling.
7574 (lookup_expression_id): Likewise.
7575 (init_pre): Zero name_to_id.
7576 (fini_pre): Free it.
7578 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7580 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7582 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7585 * config/i386/sse.md (smaxv2di3): New.
7586 (umaxv2di3): Likewise.
7587 (sminv2di3): Likewise.
7588 (uminv2di3): Likewise.
7590 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7593 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7594 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7595 (legitimize_tls_address): Likewise.
7596 (sparc_tls_referenced_p): Likewise.
7597 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7598 and adjust calls to legitimize_pic_address.
7599 (legitimate_constant_p) Use sparc_tls_referenced_p.
7600 (legitimate_pic_operand_p): Likewise.
7601 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7602 (sparc_tls_symbol_ref_1): Delete.
7603 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7604 (legitimize_tls_address): Make static, handle CONST patterns.
7605 (legitimize_pic_address): Make static, remove unused parameter and
7606 adjust recursive calls.
7607 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7608 and adjust call to legitimize_pic_address.
7609 (sparc_output_mi_thunk): Likewise.
7611 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7612 H.J. Lu <hongjiu.lu@intel.com>
7615 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7616 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7617 operands to make them signed.
7620 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7623 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7624 GTU to GT for V4SI and V2DI.
7626 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7627 (umin<mode>3): Removed.
7629 (uminv4si3): Likewise.
7631 2010-01-05 Martin Jambor <mjambor@suse.cz>
7633 PR tree-optimization/42462
7634 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7635 current_function_decl to helper functions and macros.
7637 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7640 * flags.h: Don't include real.h.
7641 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7642 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7643 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7644 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7645 * dominance.c: Update copyright.
7646 * gimple.c (walk_gimple_op): Remove inline.
7647 * tree-ssa-reassoc.c: Include real.h.
7648 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7649 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7651 2010-01-05 Nick Clifton <nickc@redhat.com>
7653 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7654 register to push into the stack frame when the accumulator has to
7655 be saved during interrupts.
7657 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7659 * doc/invoke.texi: Remove the documentation about option
7661 * common.opt (Wunreachable-code): Preserved for backward
7663 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7664 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7665 the backward compatibility flag section.
7667 2010-01-05 Richard Guenther <rguenther@suse.de>
7669 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7671 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7674 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7676 PR tree-optimization/42508
7677 * tree-sra.c (convert_callers): Check for recursive call
7678 by comparing cgraph nodes instead of decls.
7679 (modify_function): Call ipa_modify_formal_parameters also
7680 on all same_body aliases.
7682 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7683 cgraph nodes when checking for same_body aliases.
7685 2010-01-05 Richard Guenther <rguenther@suse.de>
7687 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7688 allocation and lookup.
7689 (get_or_alloc_expr_for_constant): Likewise.
7690 (phi_translate): Sink allocation.
7692 2010-01-04 Richard Guenther <rguenther@suse.de>
7694 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7695 a new entry only if needed.
7696 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7697 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7699 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7701 (phi_translate): Handle CONSTANTs early.
7703 2010-01-04 Martin Jambor <mjambor@suse.cz>
7705 PR tree-optimization/42398
7706 * tree-sra.c (struct access): Removed flag grp_different_types.
7707 (dump_access): Do not dump the removed flag.
7708 (sort_and_splice_var_accesses): Do not set the removed flag.
7709 (sra_modify_expr): Check for type compatibility directly.
7711 2010-01-04 Martin Jambor <mjambor@suse.cz>
7713 PR tree-optimization/42366
7714 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7715 edges with variable number of parameters.
7716 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7717 flag instead of asserting it.
7718 (ipa_read_node_info): Read uses_analysis_done flag.
7720 2010-01-04 Richard Guenther <rguenther@suse.de>
7722 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7723 iterative_hash_* as intended.
7724 (vn_reference_compute_hash): Likewise. Simplify hashing
7726 (vn_reference_lookup_2): Likewise.
7727 (vn_nary_op_compute_hash): Likewise.
7728 (vn_phi_compute_hash): Likewise.
7729 (expressions_equal_p): Remove strange code.
7730 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7731 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7732 (bitmap_insert_into_set_1): Take value-id as parameter.
7733 (add_to_value): Pass it.
7734 (bitmap_insert_into_set): Likewise.
7735 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7737 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7740 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7741 (do_self_spec): For switches with SWITCH_IGNORE set set also
7742 SWITCH_IGNORE_PERMANENTLY.
7743 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7746 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7748 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7749 tree of an unreferenced global var.
7751 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7754 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7755 GTU to GT for V4SI and V2DI.
7757 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7758 (umin<mode>3): Removed.
7760 (uminv4si3): Likewise.
7762 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7765 * collect2.c (main): Turn on trace in collect2 if -v is passed
7768 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7770 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7771 description of expression operand.
7773 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7775 * configure.ac: Add install-html to target_list for Make-hooks.
7776 * configure: Regenerate.
7777 * fortran/Make-lang.in (F95_HTMLFILES): New.
7778 (fortran.html): Use it.
7779 (fortran.install-html): New.
7780 * Makefile.in (install-html): Add lang.install-html.
7781 * java/Make-lang.in (JAVA_HTMLFILES): New.
7782 (java.html): Use it.
7783 (java.install-html): New.
7784 * objc/Make-lang.in (objc.install-html): New.
7785 * objcp/Make-lang.in (obj-c++.install-html): New.
7786 * cp/Make-lang.in (c++.install-html): New.
7787 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7788 * lto/Make-lang.in (lto.install-html): New.
7790 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7793 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7795 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7797 PR rtl-optimization/41862
7798 * store-motion.c (store_killed_in_insn, compute_store_table,
7799 remove_reachable_equiv_notes, replace_store_insn,
7800 build_store_vectors): Ignore all DEBUG_INSNs.
7802 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7805 * common.opt: Add dumpdir.
7807 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7809 (option_map): Add --dumpdir.
7811 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7813 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7815 * opts.c (decode_options): Try dump_dir_name first if
7816 dump_base_name isn't an absolute path.
7817 (common_handle_option): Handle OPT_dumpdir.
7819 * toplev.c (dump_dir_name): New.
7820 (print_switch_values): Also ignore -dumpdir.
7822 * toplev.h (dump_dir_name): New.
7824 2010-01-03 Richard Guenther <rguenther@suse.de>
7826 PR tree-optimization/42589
7827 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7828 double-word expansion of bswap32.
7830 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7832 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7833 with BLOCK_FOR_INSN.
7834 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7835 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7836 noce_process_if_block): Likewise.
7837 * gcse.c (compute_local_properties, insert_expr_in_table,
7838 insert_set_in_table, canon_list_insert, find_avail_set,
7839 pre_insert_copy_insn): Likewise.
7841 * basic-block.h (BLOCK_NUM): Move from here...
7842 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7844 2010-01-03 Richard Guenther <rguenther@suse.de>
7846 PR tree-optimization/42438
7847 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7848 contains_may_not_return_call flag.
7849 (BB_MAY_NOTRETURN): New.
7850 (valid_in_sets): Trapping nary operations are not valid
7851 in blocks that may not return.
7852 (insert_into_preds_of_block): Remove check for trapping expressions.
7853 (compute_avail): Compute also BB_MAY_NOTRETURN.
7855 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7857 * doc/invoke.texi: Add 2010 to copyright years.
7859 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7861 * config/sparc/sparc.c: Fix formatting nits.
7863 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7864 Alexander Monakov <amonakov@ispras.ru>
7866 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7868 2010-01-02 Richard Guenther <rguenther@suse.de>
7871 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7872 (simplify_switch_using_ranges): Mark to be removed edges
7875 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7877 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7879 * collect2.c (scan_libraries): Add missing argument in call to
7882 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7885 * config/alpha/predicates.md (aligned_memory_operand): Return false
7887 (unaligned_memory_operand): Return true for CQImode.
7888 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7889 doesn not cross aligned SImode word boundary.
7891 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7893 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7895 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7896 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7898 2010-01-02 Richard Guenther <rguenther@suse.de>
7901 * toplev.c (compile_file): Emit LTO marker properly. Change
7903 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7905 2010-01-01 Richard Guenther <rguenther@suse.de>
7908 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7910 2010-01-01 Richard Guenther <rguenther@suse.de>
7913 * c-decl.c (grokdeclarator): For zero-size arrays force
7914 structural equality checks as layout_type does.
7916 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7918 * builtins.c: Update copyright to 2010.
7920 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7923 * lto-streamer-out.c (produce_asm): Revert the last change.
7924 (copy_function): Likewise.
7926 * lto-streamer.c (lto_get_section_name): Skip any leading
7929 2010-01-01 Richard Guenther <rguenther@suse.de>
7932 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7936 Copyright (C) 2010 Free Software Foundation, Inc.
7938 Copying and distribution of this file, with or without modification,
7939 are permitted in any medium without royalty provided the copyright
7940 notice and this notice are preserved.