1 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
3 * gcov-iov.c (main): Change format string placeholder
5 * genchecksum.c (dosum): Change format string placeholder
8 2010-05-02 Richard Guenther <rguenther@suse.de>
10 PR tree-optimization/43879
11 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
13 2010-05-02 Bruno Haible <bruno@clisp.org>
15 * doc/extend.texi (Function Attributes): Fix a typo.
17 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
20 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
21 placeholder from 0x%x to %#x.
22 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
23 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
24 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
25 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
26 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
27 * config/i386/i386.c (ix86_target_string): Ditto.
28 * config/i386/i386.c (output_pic_addr_const): Ditto.
29 (print_operand): Ditto.
31 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
33 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
34 placeholder from 0x%x to %#x.
35 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
36 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
37 (ASM_OUTPUT_DEBUG_DATA): Ditto.
38 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
39 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
40 * optc-gen.awk: Ditto.
41 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
42 (HOST_WIDE_INT_PRINT_HEX): Ditto.
43 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
44 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
46 2010-05-01 Anatoly Sokolov <aesok@post.ru>
48 * target.h (struct calls): Add function_value_regno_p field.
49 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
50 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
51 * targhooks.c (default_function_value_regno_p): New function.
52 * targhooks.h (default_function_value_regno_p): Declare function.
53 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
54 * builtins.c. (apply_result_size): (Ditto.).
55 * combine.c. (likely_spilled_retval_p): (Ditto.).
56 * mode-switching.c. Include 'target.h'.
57 (create_pre_exit): Use function_value_regno_p hook.
58 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
59 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
60 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
62 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
63 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
64 (ix86_function_value_regno_p): Declare as static, change argument
65 type to const unsigned int.
66 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
68 2010-05-01 Richard Guenther <rguenther@suse.de>
70 PR tree-optimization/43949
71 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
73 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
75 2010-05-01 Anatoly Sokolov <aesok@post.ru>
77 * rtl.h (CONST_DOUBLE_P): Define.
78 (rtx_to_double_int): Declare.
79 * emit-rtl.c (rtx_to_double_int): New function.
80 * dwarf2out.c (insert_double): New function.
81 (loc_descriptor, add_const_value_attribute): Clean up, use
82 rtx_to_double_int and insert_double functions.
84 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
86 * doc/extend.texi (Inline): Add missing return keyword to examples.
87 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
90 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
92 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
93 the variable part of the offset as well. Use highest_pow2_factor for
96 2010-04-30 Richard Guenther <rguenther@suse.de>
98 PR tree-optimization/43879
99 * tree-ssa-structalias.c (type_could_have_pointers): Functions
102 2010-04-30 Jan Hubicka <jh@suse.cz>
104 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
106 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
108 2010-04-30 Jan Hubicka <jh@suse.cz>
110 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
112 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
113 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
114 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
115 cgraph_node_set_needs_ltrans_p): Remove.
117 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
119 * sdbout.c: Include vec.h, do not include varray.h.
120 (deferred_global_decls, sdbout_global_decl,
121 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
122 * toplev.c: Do not include varray.h.
123 (dump_memory_report): Do not dump VARRAY statistics.
124 * gengtype.c (open_base_file): Ignore varray.h.
125 * Makefile.in: Update for abovementioned changes.
126 Remove all traces of varray.c and varray.h.
127 * varray.c: Remove file.
128 * varray.h: Remove file.
130 2010-04-30 Jan Hubicka <jh@suse.cz>
132 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
135 2010-04-30 Jan Hubicka <jh@suse.cz>
137 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
140 2010-04-30 Richard Guenther <rguenther@suse.de>
142 * tree-ssa-structalias.c (get_constraint_for_1): Generate
143 constraints for CONSTRUCTOR.
145 2010-04-30 Richard Guenther <rguenther@suse.de>
148 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
149 first after all lowering passes.
151 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
153 * toplev.c: Include varray.h for statistics dumping.
154 * tree.h: Do not declare varray_head_tag.
155 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
156 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
157 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
158 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
159 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
160 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
161 c-common.c, c-common.h, reg-stack.c, basic-block.h,
162 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
164 * Makefile.in: Update for abovementioned changes.
166 2010-04-30 Jakub Jelinek <jakub@redhat.com>
169 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
171 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
173 * config/picochip/picochip.c (picochip_legitimize_address): Define.
174 Use this function to do machine-specific conversion.
175 (picochip_legitimize_reload_address): Likewise.
176 (picochip_legitimate_address_p): Check valid base register only if
178 (picochip_check_conditional_copy): Check for modw only if opnd is
180 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
181 to call the function in c.
182 * config/picochip/picochip-protos.h
183 (picochip_legitimize_reload_address): Define.
184 * config/picochip/picochip.md (supported_compare1): Define.
186 2010-04-30 Jan Hubicka <jh@suse.cz>
188 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
189 (cgraph_global_info): Remove inlined.
190 (LTO_cgraph_tag_names): Remove.
191 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
192 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
193 simplify cgraph tags and document.
194 (lto_output_node): Use only LTO_cgraph_unavail_node and
195 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
196 for_functions_valid, global info, process and output flags.
197 (input_overwrite_node): Initialize estimated stack size and
198 estimated growth. Do not read flags we no longer store.
199 (input_node): Likewise do not read info no longer stored.
200 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
203 2010-04-30 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/43879
206 * tree-ssa-structalias.c (get_constraint_for_1): Properly
207 handle non-zero initializers.
209 2010-04-30 Richard Guenther <rguenther@suse.de>
211 * builtins.c (fold_builtin_1): Delete free (0).
213 2010-04-29 Jan Hubicka <jh@suse.cz>
215 * gengtype.c (open_base_files): Add lto-streamer.h
216 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
217 (pass_ipa_cp): GGC collect.
218 * toplev. (compile_file): Do not output symbols.
219 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
220 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
221 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
222 * lto-section-in.c: Include ggc.h
223 (lto_new_in_decl_state): Alloc in GGC.
224 (lto_delete_in_decl_state): Likewise.
225 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
228 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
231 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
232 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
233 (HONOR_REG_ALLOC_ORDER): Describe new macro.
234 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
235 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
236 account only if HONOR_REG_ALLOC_ORDER is not defined.
237 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
238 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
240 2010-04-29 Jon Grant <04@jguk.org>
242 * collect2.c (vflag): Change type from int to bool.
244 (helpflag): New global bool.
245 (main): Set vflag and debug with boolean, not integer truth values.
246 Accept new "--help" option and output usage text if found.
247 * collect2.h (vflag): Update prototype.
250 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
253 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
255 2010-04-29 Richard Guenther <rguenther@suse.de>
258 * plugin.h (invoke_plugin_callbacks): Annotate arguments
259 with ATTRIBUTE_UNUSED.
261 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
264 * config/i386/i386.c (get_some_local_dynamic_name): Replace
265 INSN_P with NONDEBUG_INSN_P.
266 (distance_non_agu_define): Likewise.
267 (distance_agu_use): Likewise.
269 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
271 From Dominique d'Humieres <dominiq@lps.ens.fr>
273 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
276 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
278 * plugin.h (invoke_plugin_callbacks): New inline function.
279 * plugin.c (flag_plugin_added): New global flag.
280 (add_new_plugin): Initialize above flag.
281 (invoke_plugin_callbacks): Rename to ...
282 (invoke_plugin_callbacks_full): ... this.
284 2010-04-28 Jan Hubicka <jh@suse.cz>
286 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
287 (lto_varpool_replace_node): New.
288 (lto_symtab_resolve_symbols): Resolve varpool nodes.
289 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
290 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
291 * cgraph.h (varpool_node_ptr): New type.
292 (varpool_node_ptr): New vector.
293 (varpool_node_set_def): New structure.
294 (varpool_node_set): New type.
295 (varpool_node_set): New vector.
296 (varpool_node_set_element_def): New structure.
297 (varpool_node_set_element, const_varpool_node_set_element): New types.
298 (varpool_node_set_iterator): New type.
299 (varpool_node): Add prev pointers, add used_from_other_partition,
301 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
302 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
303 varpool_get_node, varpool_remove_node): Declare.
304 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
305 varpool_node_set_size): New inlines.
306 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
307 * tree-pass.h (varpool_node_set_def): Forward declare.
308 (ipa_opt_pass_d): Summary writting takes vnode sets too.
309 (ipa_write_optimization_summaries): Update prototype.
310 * ipa-cp.c (ipcp_write_summary): Update.
311 * ipa-reference.c (ipa_reference_write_summary): Update.
312 * lto-cgraph.c (lto_output_varpool_node): New static function.
313 (output_varpool): New function.
314 (input_varpool_node): New static function.
315 (input_varpool_1): New function.
316 (input_cgraph): Input varpool.
317 * ipa-pure-const.c (pure_const_write_summary): Update.
318 * lto-streamer-out.c (lto_output): Update, output varpool too.
319 (write_global_stream): Kill WPA hack.
320 (produce_asm_for_decls): Update.
321 (output_alias_pair_p): Handle variables.
322 (output_unreferenced_globals): Output only needed partition of varpool.
323 * ipa-inline.c (inline_write_summary): Update.
324 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
326 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
327 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
328 varpool_node_set_new, varpool_node_set_add,
329 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
330 debug_varpool_node_set): New functions.
331 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
332 (execute_one_pass): Process new decls too.
333 (ipa_write_summaries_2): Pass around vsets.
334 (ipa_write_summaries_1): Likewise.
335 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
337 (ipa_write_optimization_summaries_1): Pass around vsets.
338 (ipa_write_optimization_summaries): Likewise.
339 * varpool.c (varpool_get_node): New.
340 (varpool_node): Update doubly linked lists.
341 (varpool_remove_node): New.
342 (dump_varpool_node): More dumping.
343 (varpool_enqueue_needed_node): Update doubly linked lists.
344 (decide_is_variable_needed): Kill ltrans hack.
345 (varpool_finalize_decl): Kill lto hack.
346 (varpool_assemble_decl): Skip decls in other partitions.
347 (varpool_assemble_pending_decls): Update doubly linkes lists.
348 (varpool_empty_needed_queue): Likewise.
349 (varpool_extra_name_alias): Likewise.
350 * lto-streamer.c (lto_get_section_name): Add vars section.
351 * lto-streamer.h (lto_section_type): Update.
352 (output_varpool, input_varpool): Declare.
354 2010-04-28 Mike Stump <mikestump@comcast.net>
356 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
358 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
360 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
361 record or union type with RECORD_OR_UNION_TYPE_P predicate.
362 (lto_input_ts_type_tree_pointers): Likewise.
363 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
364 (lto_output_ts_type_tree_pointers): Likewise.
366 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
368 Uniquization of constants at the Tree level
369 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
370 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
372 (tree_output_constant_def): Declare.
373 * gimplify.c (gimplify_init_constructor): When using block copy, first
374 uniquize the constant constructor on the RHS.
375 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
376 DECL_IN_CONSTANT_POOL flag.
377 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
378 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
380 (assemble_variable): Deal with symbols belonging to the tree constant
382 (get_constant_section): Add ALIGN parameter and simplify.
383 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
384 (assemble_constant_contents): Use the expression of the VAR_DECL.
385 (output_constant_def_contents): Use the alignment of the VAR_DECL.
386 (tree_output_constant_def): New global function.
387 (mark_constant): Use the expression of the VAR_DECL.
388 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
390 (output_object_block): Likewise and assemble the expression.
392 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
394 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
395 hash_tree, eq_tree): New tree hash table.
396 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
397 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
398 lto_orig_address_remove): Reimplement.
400 2010-04-28 Xinliang David Li <davidxl@google.com>
403 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
404 (compute_uninit_opnds_pos): New function.
405 (is_non_loop_exit_postdominating): New function.
406 (compute_control_dep_chain): New function.
407 (find_pdom): New function.
408 (convert_control_dep_chain_into_preds): New function.
409 (find_predicates): New function.
410 (find_control_equiv_block): New function.
411 (collect_phi_def_edges): New function.
412 (find_def_preds): New function.
413 (find_dom): New function.
414 (dump_predicates): New function.
415 (get_cmp_code): New function.
416 (is_value_included_in): New function.
417 (find_matching_predicate_in_rest_chains): New function.
418 (use_pred_not_overlap_with_undef_path_pred): New function.
419 (is_use_properly_guarded): New function.
420 (normalize_cond_1): New function.
421 (is_and_or_or): New function.
422 (normalize_cond): New function.
423 (is_gcond_subset_of): New function.
424 (is_subset_of_any): New function.
425 (is_or_set_subset_of): New function.
426 (is_and_set_subset_of): New function.
427 (is_norm_cond_subset_of): New function.
428 (is_pred_expr_subset_of): New function.
429 (is_pred_chain_subset_of): New function.
430 (is_included_in): New function.
431 (is_superset_of): New function.
432 (find_uninit_use): New function.
433 (warn_uninitialized_phi): New function.
434 (compute_possibly_undefined_names): New function.
435 (ssa_undefined_value_p): New function.
436 (execute_late_warn_uninitialized): New function.
437 * tree-ssa.c (ssa_undefined_value_p): Removed.
438 (warn_uninit): Changed to extern.
439 (warn_uninitialized_phi): Removed.
440 (warn_uninitialized_vars): Changed to extern.
441 (execute_late_warn_uninitialized): Removed
442 * tree-flow.h: Add new prototypes.
443 * timevar.def: Add new time variable.
444 * Makefile.in: Add new build file.
446 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
448 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
451 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
454 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
456 2010-04-28 Martin Jambor <mjambor@suse.cz>
458 * cgraph.h (struct cgraph_node): New field indirect_calls.
459 (struct cgraph_indirect_call_info): New type.
460 (struct cgraph_edge): Removed field indirect_call. New fields
461 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
462 (cgraph_create_indirect_edge): Declare.
463 (cgraph_make_edge_direct): Likewise.
464 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
465 * ipa-prop.h (struct ipa_param_call_note): Removed.
466 (struct ipa_node_params): Removed field param_calls.
467 (ipa_create_all_structures_for_iinln): Declare.
468 * cgraph.c: Described indirect edges and uids in initial comment.
469 (cgraph_add_edge_to_call_site_hash): New function.
470 (cgraph_edge): Search also among the indirect edges, use
471 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
472 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
473 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
475 (initialize_inline_failed): Assign a reason to indirect edges.
476 (cgraph_create_edge_1): New function.
477 (cgraph_create_edge): Moved some functionality to
478 cgraph_create_edge_1.
479 (cgraph_create_indirect_edge): New function.
480 (cgraph_edge_remove_callee): Add an assert checking for
482 (cgraph_edge_remove_caller): Special-case indirect edges.
483 (cgraph_remove_edge): Likewise.
484 (cgraph_set_edge_callee): New function.
485 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
486 (cgraph_make_edge_direct): New function.
487 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
488 the declaration of the call statement matches.
489 (cgraph_node_remove_callees): Special-case indirect edges.
490 (cgraph_clone_edge): Likewise.
491 (cgraph_clone_node): Clone also the indirect edges.
492 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
493 indirect_call, dump count of indirect_calls edges.
494 * ipa-prop.c (iinlining_processed_edges): New variable.
495 (ipa_note_param_call): Create indirect edges instead of
496 creating notes. New parameter node.
497 (ipa_analyze_call_uses): New parameter node, pass it on to
499 (ipa_analyze_stmt_uses): Likewise.
500 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
501 (print_edge_addition_message): Work on edges rather than on notes.
502 (update_call_notes_after_inlining): Likewise, renamed to
503 update_indirect_edges_after_inlining.
504 (ipa_create_all_structures_for_iinln): New function.
505 (ipa_free_node_params_substructures): Do not free notes.
506 (ipa_edge_duplication_hook): Propagate bits within
507 iinlining_processed_edges bitmap.
508 (ipa_node_duplication_hook): Do not duplicate notes.
509 (free_all_ipa_structures_after_ipa_cp): Renamed to
510 ipa_free_all_structures_after_ipa_cp.
511 (free_all_ipa_structures_after_iinln): Renamed to
512 ipa_free_all_structures_after_iinln.g
513 (ipa_write_param_call_note): Removed.
514 (ipa_read_param_call_note): Removed.
515 (ipa_write_indirect_edge_info): New function.
516 (ipa_read_indirect_edge_info): Likewise.
517 (ipa_write_node_info): Do not stream notes, do stream information
519 (ipa_read_node_info): Likewise.
520 (lto_ipa_fixup_call_notes): Removed.
521 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
522 * ipa-inline.c (pass_ipa_inline): Likewise.
523 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
524 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
525 * tree-inline.c (copy_bb): Removed an unnecessary double check for
527 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
529 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
530 (output_cgraph): Stream also indirect edges.
531 (lto_output_edge): Added capability to stream indirect edges.
532 (input_edge): Likewise.
533 (input_cgraph_1): Likewise.
534 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
537 2010-04-28 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/43879
540 PR tree-optimization/43909
541 * tree-ssa-structalias.c (struct variable_info): Add
542 only_restrict_pointers flag.
543 (new_var_info): Initialize it. Increment stats.total_vars here.
544 (create_function_info_for): Do not increment stats.total_vars
546 (get_function_part_constraint): Fix build with C++.
547 (insert_into_field_list): Remove.
548 (push_fields_onto_fieldstack): Properly merge fields.
549 (create_variable_info_for): Split and simplify.
550 (create_variable_info_for_1): New piece.
551 (intra_create_variable_infos): Properly make restrict constraints
554 2010-04-28 Richard Guenther <rguenther@suse.de>
557 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
559 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
560 Jan Hubicka <hubicka@ucw.cz>
562 * doc/invoke.texi (-Wsuggest-attribute=const,
563 -Wsuggest-attribute=pure): Document.
564 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
565 (function_always_visible_to_compiler_p,
566 suggest_attribute, warn_function_pure, warn_function_const):
568 (check_call): Improve debug info.
569 (analyze_function): Do not check availability.
570 (add_new_function): Check availability.
571 (propagate): Output warnings.
572 (skip_function_for_local_pure_const): New function.
573 (local_pure_const): Use it; output warnings.
574 * common.opt (Wsuggest-attribute=const,
575 Wsuggest-attribute=pure): New.
577 2010-04-27 Jakub Jelinek <jakub@redhat.com>
579 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
580 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
581 or DW_CFA_def_cfa_offset{,_sf}.
583 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
585 * tree.h: Fix truncated long macros.
587 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
589 * collect2.c (TARGET_64BIT): Redefine to target's default.
591 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
592 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
593 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
594 for underscoring __USER_LABEL_PREFIX__.
595 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
596 (SUB_LINK_ENTRY32): New.
597 (SUB_LINK_ENTRY64): New.
598 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
599 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
600 (SUB_LINK_ENTRY64): New.
601 (SUB_LINK_ENTRY): New.
602 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
603 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
604 x64 target is choosen.
605 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
606 * configure: Regenerated.
607 * configure.ac (leading-mingw64-underscores): Option added.
609 2010-04-27 Jan Hubicka <jh@suse.cz>
611 * doc/invoke.texi (-fipa-profile): Document.
612 * opts.c (decode_options): Enable ipa-profile at -O1.
613 * timevar.def (TV_IPA_PROFILE): Define.
614 * common.opt (fipa-profile): Add.
615 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
617 (cgraph_propagate_frequency): Handle only local ones.
618 * tree-pass.h (pass_ipa_profile): Declare.
619 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
620 (pass_ipa_profile): Use TV_IPA_PROFILE.
621 * ipa.c (ipa_profile): New function.
622 (gate_ipa_profile): Likewise.
623 (pass_ipa_profile): New global variable.
624 * passes.c (pass_ipa_profile): New.
626 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
628 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
630 2010-04-27 Martin Jambor <mjambor@suse.cz>
633 * ipa.c (dissolve_same_comdat_group_list): New function.
634 (function_and_variable_visibility): Call
635 dissolve_same_comdat_group_list when comdat group contains external or
637 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
638 lists are circular and that they contain only DECL_ONE_ONLY nodes.
640 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
642 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
643 (const_hash_1) <VECTOR_CST>: New case.
644 (compare_constant) <VECTOR_CST>: Likewise.
645 <ADDR_EXPR>: Deal with LABEL_REFs.
646 (copy_constant) <VECTOR_CST>: New case.
648 2010-04-27 Jan Hubicka <jh@suse.cz>
650 * cgraph.c (cgraph_propagate_frequency): New function.
651 * cgraph.h (cgraph_propagate_frequency): Declare.
652 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
653 cgraph_propagate_frequency.
655 2010-04-27 Jakub Jelinek <jakub@redhat.com>
657 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
659 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
662 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
663 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
664 here to determine which regs to push and how much stack to reserve.
666 2010-04-27 Jie Zhang <jie@codesourcery.com>
668 * doc/gimple.texi (gimple_statement_with_ops): Remove
669 addresses_taken field.
670 (gimple_statement_with_memory_ops): Likewise.
672 2010-04-27 Jan Hubicka <jh@suse.cz>
674 * tree-inline.c (eni_inlining_weights): Remove.
675 (estimate_num_insns): Special case more builtins.
677 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
680 * c-typeck.c (build_binary_op): Move forward check for comparison
681 pointer with null pointer constant and adjust the diagnostic message.
683 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
686 * configure.ac (gcc_cv_as_section_has_align): Set if installed
687 binutils supports extended .section directive needed by LTO, or
688 warn if older binutils found.
689 (LTO_BINARY_READER): New AC_SUBST'd variable.
690 (LTO_USE_LIBELF): Likewise.
691 * gcc/config.gcc (lto_binary_reader): New target-specific configure
693 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
694 (LTO_USE_LIBELF): Likewise.
695 * configure: Regenerate.
697 * collect2.c (is_elf): Rename from this ...
698 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
699 object files in addition to ELF-formatted ones.
700 (scan_prog_file): Caller updated. Also allow for LTO info marker
701 symbol to be prefixed or not by an extra underscore.
703 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
704 * config/i386/winnt.c: Also #include lto-streamer.h
705 (i386_pe_asm_named_section): Specify 1-byte section alignment for
707 (i386_pe_asm_output_aligned_decl_common): Add comment.
708 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
710 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
713 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
714 Add missing earlyclobber for second alternative.
716 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
718 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
719 bits for artificial defs at the top of the block.
720 * fwprop.c (single_def_use_enter_block): Don't call it.
722 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
725 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
726 instead of "$gcc_cv_objdump -T".
727 Use "-undefined dynamic_lookup" on darwin.
728 * gcc/configure: Regenerate.
730 2010-04-26 Jakub Jelinek <jakub@redhat.com>
733 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
735 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
737 * c-parser.c (struct c_token): Move location field up.
738 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
739 (struct c_declspecs): Convert typespec_word, storage_class, and
740 default_int_p into bitfields.
741 (struct c_declarator): Move loc field up.
743 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
745 * cfgloop.h (struct loop): Move can_be_parallel field up.
746 * ipa-prop.h (struct ip_node_params): Move bitfields up.
747 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
749 (struct iv_cand): Convert pos field into a bitfield.
750 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
752 (struct _stmt_vec_info): Shuffle fields for better packing.
754 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
756 * varasm.c (IN_NAMED_SECTION): Remove guard.
757 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
758 (IN_NAMED_SECTION_P): ...this.
759 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
760 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
762 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
764 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
765 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
766 of shadowing it. Fix comments.
768 2010-04-26 Jan Hubicka <jh@suse.cz>
770 * cgraph.c (cgraph_create_node): Set node frequency to normal.
771 (cgraph_clone_node): Copy function frequency.
772 * cgraph.h (node_frequency): New enum
773 (struct cgraph_node): Add.
774 * final.c (rest_of_clean_state): Update.
775 * lto-cgraph.c (lto_output_node): Output node frequency.
776 (input_overwrite_node): Input node frequency.
777 * tre-ssa-loop-ivopts (computation_cost): Update.
778 * lto-streamer-out.c (output_function): Do not output function
780 * predict.c (maybe_hot_frequency_p): Update and handle functions
782 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
784 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
785 (compute_function_frequency): Set noreturn functions to be executed
787 (choose_function_section): Update.
788 * lto-streamer-in.c (input_function): Do not input function frequency.
789 * function.c (allocate_struct_function): Do not initialize function
791 * function.h (function_frequency): Remove.
792 (struct function): Remove function frequency.
793 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
794 (try_update): Update.
795 * tree-inline.c (initialize_cfun): Do not update function frequency.
796 * passes.c (pass_init_dump_file): Update.
797 * i386.c (ix86_compute_frame_layout): Update.
798 (ix86_pad_returns): Update.
800 2010-04-26 Jie Zhang <jie@codesourcery.com>
802 PR tree-optimization/43833
803 * tree-vrp.c (range_int_cst_p): New.
804 (range_int_cst_singleton_p): New.
805 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
806 when both operands are constants. Use range_int_cst_p in
809 2010-04-26 Jan Hubicka <jh@suse.cz>
811 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
813 2010-04-26 Richard Guenther <rguenther@suse.de>
816 * gimple.c (gimple_decl_printable_name): Deal gracefully
817 with a NULL DECL_NAME.
819 2010-04-26 Richard Guenther <rguenther@suse.de>
822 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
823 if emitting debug information and it is either a function
826 2010-04-26 Ira Rosen <irar@il.ibm.com>
828 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
829 determine if the statement is vectorizable, and a macro to access it.
830 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
831 Skip statements that can't be vectorized. If the analysis fails,
832 mark the statement as unvectorizable if vectorizing basic block.
833 (vect_compute_data_refs_alignment): Likewise.
834 (vect_verify_datarefs_alignment): Skip statements marked as
835 unvectorizable. Add print.
836 (vect_analyze_group_access): Skip statements that can't be
837 vectorized. If the analysis fails, mark the statement as
838 unvectorizable if vectorizing basic block.
839 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
840 * tree-vect-stmts.c (vectorizable_store): Fix the number of
841 generated stmts for SLP.
842 (new_stmt_vec_info): Initialize the new field.
843 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
844 statements marked as unvectorizable.
846 2010-04-25 Joseph Myers <joseph@codesourcery.com>
848 * c-common.c (flag_isoc1x): New.
849 (flag_isoc99): Update comment.
850 * c-common.h (flag_isoc1x): New.
851 (flag_isoc99): Update comment.
852 * c-cppbuiltin.c (builtin_define_float_constants): Also define
853 __<type>_DECIMAL_DIG__.
854 * c-opts.c (set_std_c1x): New.
855 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
856 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
857 * c.opt (-std=c1x, -std=gnu1x): New options.
858 * doc/cpp.texi: Mention -std=c1x.
859 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
860 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
861 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
862 * doc/standards.texi: Mention C1X.
863 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
864 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
865 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
868 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
870 * config/i386/gmon-sol2.c (_mcleanup): Change format string
871 placeholder from 0x%x to %#x.
872 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
873 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
874 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
875 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
876 * config/i386/i386.c (ix86_target_string): Ditto.
877 (output_pic_addr_const): Ditto.
878 (print_operand): Ditto.
880 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
882 * combine.c (find_split_point): Add third argument. Use it
883 to find nested multiply-accumulate instructions. Adjust calls.
884 (try_combine): Adjust call to find_split_point.
886 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
888 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
890 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
892 PR tree-optimization/41442
893 * fold-const.c (merge_truthop_with_opposite_arm): New function.
894 (fold_binary_loc): Call it.
896 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
898 * toplev.c (general_init): Set default for fdiagnostics-show-option.
899 * opts.c (common_handle_option): Allow disabling it.
900 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
902 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
904 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
905 between modes if both types are integral.
907 2010-04-23 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/43572
910 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
912 2010-04-23 Richard Guenther <rguenther@suse.de>
915 * tree-inline.c (tree_can_inline_p): Also check compatibility
918 2010-04-23 Martin Jambor <mjambor@suse.cz>
920 PR tree-optimization/43846
921 * tree-sra.c (struct access): New flag grp_assignment_read.
922 (build_accesses_from_assign): Set grp_assignment_read.
923 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
924 (enum mark_read_status): New type.
925 (analyze_access_subtree): Propagate grp_assignment_read, create
926 accesses also if both direct_read and root->grp_assignment_read.
928 2010-04-23 Martin Jambor <mjambor@suse.cz>
931 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
932 function does not have type attributes.
934 2010-04-23 Richard Guenther <rguenther@suse.de>
937 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
940 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
942 * sese.h (create_if_region_on_edge): Remove.
944 * sese.c (create_if_region_on_edge): Make static.
946 * tree-inline.c: Do not include ggc.h.
948 * expr.c: Do not include ggc.h.
950 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
953 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
956 * config/sh/sh.c (find_barrier): Don't emit a constant pool
957 in the middle of insns for casesi_worker_2.
959 2010-04-22 David Edelsohn <edelsohn@gnu.org>
961 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
963 2010-04-22 Ira Rosen <irar@il.ibm.com>
965 PR tree-optimization/43842
966 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
967 loop unrolling in update of exit phis. Fix comment.
968 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
969 least two reduction statements in the loop before starting SLP
972 2010-04-22 Nick Clifton <nickc@redhat.com>
974 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
976 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
978 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
981 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
983 * tree-parloops.c (loop_parallel_p): New argument
984 parloop_obstack. Pass it down.
985 (parallelize_loops): New variable parloop_obstack. Initialize it,
986 pass it down, free it.
988 * tree-loop-linear.c (linear_transform_loops): Pass down
991 * tree-data-ref.h (lambda_compute_access_matrices): New argument
992 of type struct obstack *.
994 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
995 scratch_obstack. Initialize it, pass down, free it.
997 * lambda.h (lambda_loop_new): Remove.
998 (lambda_matrix_new, lambda_matrix_inverse)
999 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1000 argument of type struct obstack *.
1002 * lambda-trans.c (lambda_trans_matrix_new): New argument
1003 lambda_obstack. Pass it down, use obstack allocation for ret.
1004 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1007 * lambda-mat.c (lambda_matrix_get_column)
1008 (lambda_matrix_project_to_null): Remove.
1009 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1011 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1014 * lambda-code.c (lambda_loop_new): New function.
1015 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1016 (lambda_compute_auxillary_space, lambda_compute_target_space)
1017 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1018 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1019 (build_access_matrix): New argument lambda_obstack. Use obstack
1021 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1022 argument lambda_obstack. Pass it down.
1024 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1026 * optabs.h (expand_widening_mult): Declare.
1028 2010-04-22 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/43845
1031 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1032 lookup the CALL_EXPR function and arguments.
1034 2010-04-22 Nick Clifton <nickc@redhat.com>
1036 * config/stormy16/stormy16.c
1037 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1038 * config/stormy16/stormy16.h: Tidy up formatting.
1039 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1040 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1041 (ineqbranchsi): Delete pattern.
1042 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1043 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1044 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1045 stormy16-lib2-ucmpsi2.c.
1047 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1049 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1050 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1051 extra set merge_set_noclobber, and use it to relax the final test
1053 * df.h (df_simulate_find_noclobber_defs): Declare.
1054 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1056 (df_simulate_find_noclobber_defs): New function.
1058 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1060 * config/i386/i386.md: Use {} around multi-line preparation statements.
1062 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1064 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1065 (process_init_element): New argument of type struct obstack *.
1067 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1068 (set_init_index, set_init_label, set_nonincremental_init)
1069 (set_nonincremental_init_from_string, find_init_member)
1070 (output_init_element, output_pending_init_elements)
1071 (process_init_element): New argument braced_init_obstack. Pass it
1073 (push_range_stack, add_pending_init): New argument
1074 braced_init_obstack. Use obstack allocation.
1076 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1077 braced_init_obstack. Pass it down.
1078 (c_parser_braced_init): New variables ret, braced_init_obstack.
1079 Initialize obstack, pass it down and finally free it.
1081 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1084 * tree-pass.h (pass_optimize_widening_mul): Declare.
1085 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1086 gate_optimize_widening_mul): New static functions.
1087 (pass_optimize_widening_mul): New.
1088 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1089 <case MULT_EXPR>: Remove support for widening multiplies.
1090 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1091 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1092 simplify_gen_unary rather than directly building extensions.
1093 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1095 * expmed.c (expand_widening_mult): New function.
1096 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1098 2010-04-21 Jan Hubicka <jh@suse.cz>
1100 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1101 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1102 * lto-wpa-fixup.c: Remove.
1103 * Makefile.in (lto-wpa-fixup.o): Remove.
1104 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1105 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1106 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1108 2010-04-21 Jan Hubicka <jh@suse.cz>
1110 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1111 add write_optimization_summary, read_optimization_summary.
1112 (ipa_write_summaries_of_cgraph_node_set): Remove.
1113 (ipa_write_optimization_summaries): Declare.
1114 (ipa_read_optimization_summaries): Declare.
1115 * ipa-cp.c (pass_ipa_cp): Update.
1116 * ipa-reference.c (pass_ipa_reference): Update.
1117 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1118 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1120 * ipa-inline.c (pass_ipa_inline): Update.
1121 * ipa.c (pass_ipa_whole_program): Update.
1122 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1123 * passes.c (ipa_write_summaries_1): Do not test wpa.
1124 (ipa_write_optimization_summaries_1): New.
1125 (ipa_write_optimization_summaries): New.
1126 (ipa_read_summaries): Do not test ltrans.
1127 (ipa_read_optimization_summaries_1): New.
1128 (ipa_read_optimization_summaries): New.
1130 2010-04-21 Jan Hubicka <jh@suse.cz>
1132 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1134 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1136 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1139 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1140 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1142 2010-04-21 Jan Hubicka <jh@suse.cz>
1144 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1146 2010-04-21 Jan Hubicka <jh@suse.cz>
1148 * varpool.c (decide_is_variable_needed): Variable is always needed
1151 2010-04-21 Jan Hubicka <jh@suse.cz>
1153 * opts.c (decode_options): Enable pure-const pass for whopr.
1155 2010-04-21 Jan Hubicka <jh@suse.cz>
1157 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1158 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1160 (cgraph_decide_inlining): Do not expect callee to be removed in all
1163 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1165 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1167 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1169 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1170 amdfam10_decode attributes.
1172 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1175 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1176 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1177 (lower_copyprivate_clauses): Use private var in outer
1178 context instead of original var. Make sure the types
1179 are correct for VLAs.
1181 2010-04-21 Richard Guenther <rguenther@suse.de>
1183 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1184 to non-pointer objects.
1186 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1188 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1189 last chain entry if it starts with the still current label.
1190 (add_location_or_const_value_attribute): Check that
1191 loc_list->first->next is NULL instead of comparing ->first with ->last.
1192 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1193 to add_var_loc_to_decl.
1195 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1196 >= 4 add also address size and segment size fields into CIE header.
1198 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1199 long as address size is the same as sizeof (void *) and
1201 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1202 address size or segment size is unexpected, return DW_EH_PE_omit.
1203 (classify_object_over_fdes): If get_cie_encoding returned
1204 DW_EH_PE_omit, return -1.
1205 (init_object): If classify_object_over_fdes returned -1,
1206 pretend there were no FDEs at all.
1208 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1210 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1211 bswap{si,di}2 using SWI48 mode iterator.
1212 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1213 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1214 set modrm attribute of bswap insn to 0 and remove length attribute.
1215 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1216 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1217 set mode attribute to <MODE> and remove length attribute.
1219 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1221 PR rtl-optimization/43520
1222 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1223 zero available registers.
1225 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1227 * builtins.c (fold_builtin_cproj): Fold more cases.
1229 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1231 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1232 (fold_builtin_1): Fold builtin cproj.
1233 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1234 Use ATTR_CONST_NOTHROW_LIST.
1236 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1238 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1239 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1240 ffsi2_no_cmove for !TARGET_CMOVE.
1241 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1242 (ffssi2): Remove expander.
1243 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1245 (ctz<mode>2): Ditto from ctz{si,di}2.
1246 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1248 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1251 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1253 * dwarf2out.c (AT_linkage_name): Define.
1254 (clone_as_declaration): Handle DW_AT_linkage_name.
1255 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1256 of DW_AT_MIPS_linkage_name.
1257 (move_linkage_attr): Likewise.
1258 (dwarf2out_finish): Likewise.
1260 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1263 * fold-const.c (fold_comparison): New folding rule.
1265 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1267 * double-int.h (double_int_setbit): Declare.
1268 * double-int.c (double_int_setbit): New function.
1269 * rtl.h (immed_double_int_const): Declare.
1270 * emit-rtl.c (immed_double_int_const): New function.
1271 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1272 and immed_double_int_const functions.
1273 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1274 expand_copysign_bit): (Ditto.).
1275 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1276 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1277 * dojump.c (prefer_and_bit_test): (Ditto.).
1278 * expr.c (convert_modes, reduce_to_bit_field_precision,
1279 const_vector_from_tree): (Ditto.).
1280 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1282 2010-04-20 Jan Hubicka <jh@suse.cz>
1284 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1285 (dump_cgraph_node): Dump new flags.
1286 * cgraph.h (struct cgraph_node): Add flags
1287 reachable_from_other_partition and in_other_partition.
1288 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1289 other partition can not be removed.
1290 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1291 the other partition must be output; silence sanity checking on
1292 leaking functions bodies from other paritition.
1293 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1294 (lto_output_node): Output new flags; do not sanity check that inline
1295 clones are output; drop lto_forced_extern_inline_p code; do not mock
1296 visibility flags at partition boundaries.
1297 (add_node_to): New function.
1298 (output_cgraph): Use it to sort functions so masters appear before
1300 (input_overwrite_node): Input new flags.
1301 * passes.c (ipa_write_summaries): Do not call
1302 lto_new_extern_inline_states.
1303 * lto-section-out.c (forced_extern_inline,
1304 lto_new_extern_inline_states lto_delete_extern_inline_states,
1305 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1306 * lto-streamer.h (lto_new_extern_inline_states,
1307 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1308 lto_forced_extern_inline_p): Kill.
1310 2010-04-20 Richard Guenther <rguenther@suse.de>
1312 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1313 from vars that can have pointers.
1314 (process_constraint): Dump useless constraints.
1316 2010-04-20 Richard Guenther <rguenther@suse.de>
1318 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1319 (dump_sa_points_to_info): Remove asserts.
1320 (init_base_vars): nothing_id isn't an escape point nor does it
1323 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1325 * tree.h (TYPE_REF_IS_RVALUE): Define.
1326 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1327 should_move_die_to_comdat, prune_unused_types_walk): Handle
1328 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1329 (modified_type_die, gen_reference_type_die): Emit
1330 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1331 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1333 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1336 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1337 calls for -fpic -m31 if they have been sibcall optimized.
1339 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1341 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1342 ar.lc fixed and call-used.
1344 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1346 2010-04-19 Jan Hubicka <jh@suse.cz>
1348 * opts.c (decode_options): Disable whpr incompatible passes.
1349 * lto/lto.c (lto_1_to_1_map): Skip clones.
1350 (read_cgraph_and_symbols): Do not mark everything as needed.
1351 (do_whole_program_analysis): Do map only after optimizing;
1352 set proper cgraph_state; use passmanager.
1354 2010-04-19 DJ Delorie <dj@redhat.com>
1356 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1357 POINTER_PLUS_EXPR and fix them.
1359 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1361 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1362 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1363 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1364 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1365 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1366 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1367 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1368 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1369 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1370 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1371 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1373 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1375 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1376 (check_cond_move_block): Likewise.
1377 (cond_move_process_if_block): Likewise.
1378 (noce_find_if_block): Improve formatting.
1379 (find_if_header): Pass 0 to memset and tweak conditions.
1380 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1382 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1384 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1388 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1389 with non-local decl doesn't need chain.
1391 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1393 * ira-color.c (allocno_reload_assign): Avoid accumulating
1394 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1396 2010-04-19 Martin Jambor <mjambor@suse.cz>
1398 * gimple.h (create_tmp_reg): Declare.
1399 * gimplify.c (create_tmp_reg): New function.
1400 (gimplify_return_expr): Use create_tmp_reg.
1401 (gimplify_omp_atomic): Likewise.
1402 (gimple_regimplify_operands): Likewise.
1403 * tree-dfa.c (make_rename_temp): Likewise.
1404 * tree-predcom.c (predcom_tmp_var): Likewise.
1405 (reassociate_to_the_same_stmt): Likewise.
1406 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1407 (get_replaced_param_substitute): Likewise.
1408 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1409 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1410 * tree-ssa-pre.c (get_representative_for): Likewise.
1411 (create_expression_by_pieces): Likewise.
1412 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1413 (create_tailcall_accumulator): Likewise.
1415 2010-04-19 Martin Jambor <mjambor@suse.cz>
1417 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1419 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1421 2010-04-19 Richard Guenther <rguenther@suse.de>
1423 PR tree-optimization/43796
1424 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1425 from SCEV in the lattice.
1426 (vrp_visit_phi_node): Dump change.
1428 2010-04-19 Richard Guenther <rguenther@suse.de>
1430 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1431 * configure: Re-generated.
1433 2010-04-19 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/43783
1436 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1437 constant ARRAY_REF operands two and three if possible.
1439 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1442 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1444 2010-04-19 Jie Zhang <jie@codesourcery.com>
1447 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1449 2010-04-19 Ira Rosen <irar@il.ibm.com>
1451 PR tree-optimization/37027
1452 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1453 and macro to access it.
1454 (vectorizable_reduction): Add argument.
1455 (vect_get_slp_defs): Likewise.
1456 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1457 statements for possible use in SLP.
1458 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1459 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1460 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1462 (vectorizable_reduction): Likewise.
1463 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1465 (vectorizable_type_demotion, vectorizable_type_promotion,
1466 vectorizable_store): Likewise.
1467 (vect_analyze_stmt): Update call to vectorizable_reduction.
1468 (vect_transform_stmt): Likewise.
1469 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1470 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1471 from different interleaving chains in same node.
1472 (vect_slp_rearrange_stmts): New function.
1473 (vect_supported_load_permutation_p): Allow load permutations for
1474 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1475 inside SLP nodes if necessary.
1476 (vect_analyze_slp_instance): Handle reductions.
1477 (vect_analyze_slp): Try to build SLP instances originating from groups
1479 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1480 (vect_get_constant_vectors): Create initial vectors for reductions
1481 according to reduction code. Add new argument.
1482 (vect_get_slp_defs): Add new argument, pass it to
1483 vect_get_constant_vectors.
1484 (vect_schedule_slp_instance): Remove SLP tree root statements.
1486 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1488 * tree.h (ENUM_IS_SCOPED): Define.
1489 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1490 for ENUM_IS_SCOPED enums.
1492 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1494 * fold-const.c (fold_comparison): Use ssizetype.
1495 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1496 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1497 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1498 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1500 * tree.h (initialize_sizetypes): Remove parameter.
1501 (build_common_tree_nodes): Remove second parameter.
1502 * stor-layout.c (initialize_sizetypes): Remove parameter.
1503 Always create an unsigned type.
1504 (set_sizetype): Assert that the passed type is unsigned and simplify.
1505 * tree.c (build_common_tree_nodes): Remove second parameter.
1506 Adjust call to initialize_sizetypes.
1507 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1508 build_common_tree_nodes.
1510 2010-04-18 Matthias Klose <doko@ubuntu.com>
1512 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1514 2010-04-18 Ira Rosen <irar@il.ibm.com>
1516 PR tree-optimization/43771
1517 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1518 load permutation doesn't have gaps.
1520 2010-04-18 Jan Hubicka <jh@suse.cz>
1522 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1523 (sse_prologue_save_insn expander): Use new pattern.
1524 (sse_prologue_save_insn1): New pattern and splitter.
1525 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1527 * i386.c (setup_incoming_varargs_64): Do not compute jump
1529 (ix86_gimplify_va_arg): Update alignment needed.
1530 (ix86_local_alignment): Do not align all local arrays to 128bit.
1532 2010-04-17 Jan Hubicka <jh@suse.cz>
1534 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1536 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1538 * arm.md (negdi2): Remove redundant code to force values into a
1541 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1543 * arm/bpabi.S: Add EABI alignment attributes to objects.
1544 * arm/bpabi-v6m.S: Likewise.
1545 * arm/crti.asm: Likewise.
1546 * arm/crtn.asm: Likewise.
1547 * arm/lib1funcs.asm: Likewise.
1548 * arm/libunwind.S: Likewise.
1550 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1552 * arm-protos.h (tune_params): New structure.
1553 * arm.c (current_tune): New variable.
1554 (arm_constant_limit): Delete.
1555 (struct processors): Add pointer to the tune parameters.
1556 (arm_slowmul_tune): New tuning option.
1557 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1558 (all_cores): Adjust to pick up the tuning model.
1559 (arm_constant_limit): New function.
1560 (arm_override_options): Select the appropriate tuning model. Delete
1561 initialization of arm_const_limit.
1562 (arm_split_constant): Use the new constant-limit model.
1563 (arm_rtx_costs): Pick up the current tuning model.
1564 * arm.md (is_strongarm, is_xscale): Delete.
1565 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1566 for Xscale variant architectures.
1567 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1569 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1571 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1573 (arm_rtx_costs_1): Remove unused variable extra_cost.
1574 (arm_unwind_emit_set): Use variable offset.
1575 (thumb1_output_casesi): Remove unused variable flags.
1577 2010-04-16 Jeff Law <law@redhat.com>
1579 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1580 needing assignment rather than doing a two-phase assignment. Remove
1581 unused variable 'm'.
1583 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1586 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1588 2010-04-16 Doug Kwan <dougkwan@google.com>
1590 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1591 (next_operand_entry_id): New static variable.
1592 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1593 (add_to_ops_vec): Assigned unique ID to operand entry.
1594 (struct oecount_s): New field ID.
1595 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1596 (undistribute_ops_list): Assign unique IDs to oecounts.
1597 (init_reassoc): reset next_operand_entry_id.
1599 2010-04-16 Doug Kwan <dougkwan@google.com>
1601 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1602 missing left parenthesis.
1604 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1606 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1607 *btdi_rex64 using SWI48 mode iterator.
1608 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1609 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1610 *jcc_btdi_mask_rex64.
1612 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1614 * double-int.h (tree_to_double_int): Convert to macro.
1615 * double-int.c (tree_to_double_int): Remove.
1617 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1620 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1621 with want_address 2 and in case a single element list might be
1622 possible, call it again with want_address 0.
1624 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1626 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1627 case 'W' print operands for HI mode.
1628 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1629 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1630 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1631 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1633 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1635 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1636 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1637 #xx:3 and #xx:4 mode.
1639 * config/h8300/h8300.md (inverted load with HImode dest): Add
1640 support for H8300SX.
1642 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1643 satisfy 'U' constraint.
1645 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1647 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1648 * configure: Regenerate.
1649 * config.in: Regenerate.
1650 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1653 2010-04-16 Richard Guenther <rguenther@suse.de>
1655 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1656 (struct tree_decl_common): ... here.
1657 (DECL_PT_UID): Adjust.
1658 (SET_DECL_PT_UID): Likewise.
1659 (DECL_PT_UID_SET_P): Likewise.
1661 2010-04-16 Richard Guenther <rguenther@suse.de>
1663 PR tree-optimization/43572
1664 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1665 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1666 * tree-flow.h (is_call_clobbered): Remove.
1667 * tree-flow-inline.h (is_call_clobbered): Likewise.
1668 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1669 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1670 (execute_return_slot_opt): Adjust.
1671 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1672 check for call clobbered vars here.
1673 (find_tail_calls): Move tailcall verification to the
1676 2010-04-16 Diego Novillo <dnovillo@google.com>
1678 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1680 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1683 * config/arm/arm.md (cbranchqi4): New pattern.
1684 * config/arm/predicates.md (const0_operand,
1685 cbranchqi4_comparison_operator): New predicates.
1687 2010-04-16 Richard Guenther <rguenther@suse.de>
1689 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1690 (dump_gimple_stmt): Likewise.
1692 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1694 * recog.h (struct recog_data): New field is_operator.
1695 (struct insn_operand_data): New field is_operator.
1696 * recog.c (extract_insn): Set recog_data.is_operator.
1697 * genoutput.c (output_operand_data): Emit code to set the
1699 * reload.c (find_reloads): Use it rather than testing for an
1700 empty constraint string.
1703 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1704 If the previous insn is a cbranchsi4_insn with the same arguments,
1705 omit the compare instruction.
1707 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1708 register, inputs must be low registers and we need a low register
1709 scratch. Handle alternative 2 like alternative 3.
1711 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1713 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1714 don't call get_addr on both. If one expression is a VALUE and
1715 the other a REG, check VALUE's locs if the REG isn't among them.
1717 2010-04-16 Christian Bruel <christian.bruel@st.com>
1719 * config/sh/sh.h (sh_frame_pointer_required): New function.
1720 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1721 (flag_omit_frame_pointer) Set.
1722 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1723 (rounded_frame_size): Adjust size with outgoing_args_size.
1724 (sh_set_return_address): Must return from stack pointer.
1725 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1726 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1727 (ACCUMULATE_OUTGOING_ARGS): Define.
1728 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1729 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1731 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1734 * config/sh/sh.c (sh_legitimize_reload_address): Use
1735 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1736 Remove a unneeded check for offset_base.
1738 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1740 * configure: Regenerated.
1742 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1744 * config/s390/s390.c (s390_call_save_register_used): Switch back
1745 to HARD_REGNO_NREGS.
1747 2010-04-15 Richard Guenther <rguenther@suse.de>
1749 * alias.c (alias_set_subset_of): Handle alias-set zero
1752 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1753 Julian Brown <julian@codesourcery.com>
1755 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1756 alternatives according to use of high and low regs.
1757 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1758 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1759 optimizing for size on Thumb-2.
1761 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1763 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1765 2010-04-15 Richard Guenther <rguenther@suse.de>
1767 * tree-ssa-structalias.c (struct variable_info): Add
1769 (new_var_info): Initialize it.
1770 (dump_constraints): Support printing last added constraints.
1771 (debug_constraints): Adjust.
1772 (dump_constraint_graph): Likewise.
1773 (make_heapvar_for): Check for NULL cfun.
1774 (get_function_part_constraint): New function.
1775 (get_fi_for_callee): Likewise.
1776 (find_func_aliases): Properly implement IPA PTA constraints.
1777 (process_ipa_clobber): New function.
1778 (find_func_clobbers): Likewise.
1779 (insert_into_field_list_sorted): Remove.
1780 (create_function_info_for): Properly allocate vars for IPA mode.
1781 Do not use insert_into_field_list_sorted.
1782 (create_variable_info_for): Properly generate constraints for
1783 global vars in IPA mode.
1784 (dump_solution_for_var): Always dump the solution.
1785 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1786 (find_what_var_points_to): Adjust.
1787 (pt_solution_set): Change.
1788 (pt_solution_ior_into): New function.
1789 (pt_solution_empty_p): Export.
1790 (pt_solution_includes_global): Adjust.
1791 (pt_solution_includes_1): Likewise.
1792 (pt_solutions_intersect_1): Likewise.
1793 (dump_sa_points_to_info): Check some invariants.
1794 (solve_constraints): Move constraint dumping ...
1795 (compute_points_to_sets): ... here.
1796 (ipa_pta_execute): ... and here.
1797 (compute_may_aliases): Do not re-compute points-to info
1798 locally if IPA info is available.
1799 (ipa_escaped_pt): New global var.
1800 (ipa_pta_execute): Properly implement IPA PTA.
1801 * tree-into-ssa.c (dump_decl_set): Support dumping
1802 decls not in referenced-vars.
1803 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1804 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1805 (dump_points_to_solution): Likewise.
1806 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1807 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1808 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1809 (copy_decl_to_var): Copy DECL_PT_UID.
1810 (copy_result_decl_to_var): Likewise.
1811 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1812 (copy_node_stat): Copy it.
1813 * tree.h (DECL_PT_UID): New macro.
1814 (SET_DECL_PT_UID): Likewise.
1815 (DECL_PT_UID_SET_P): Likewise.
1816 (struct tree_decl_minimal): Add pt_uid member.
1817 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1818 (pt_solution_empty_p): Declare.
1819 (pt_solution_set): Adjust.
1820 (ipa_escaped_pt): Declare.
1821 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1822 * gimple-pretty-print.c (pp_points_to_solution): New function.
1823 (dump_gimple_call): Dump call clobber/use information.
1824 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1825 * tree-pass.h (TDF_ALIAS): New dump option.
1826 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1827 * doc/invoke.texi (-fipa-pta): Update documentation.
1829 2010-04-15 Richard Guenther <rguenther@suse.de>
1831 * Makefile.in (OBJS-common): Add gimple-fold.o.
1832 (gimple-fold.o): New rule.
1833 * tree.h (maybe_fold_offset_to_reference,
1834 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1836 * gimple.h: ... here.
1837 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1838 may_propagate_address_into_dereference): Move prototypes ...
1839 * gimple.h: ... here.
1840 * tree-ssa-ccp.c (get_symbol_constant_value,
1841 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1842 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1843 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1844 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1845 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1846 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1847 gimplify_and_update_call_from_tree): Move ...
1848 * gimple-fold.c: ... here. New file.
1849 (ccp_fold_builtin): Rename to ...
1850 (gimple_fold_builtin): ... this.
1851 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1853 2010-04-15 Richard Guenther <rguenther@suse.de>
1855 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1856 fit_double_type, force_fit_type_double, add_double_with_sign,
1857 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1858 lrotate_double, rrotate_double, div_and_round_double): Move ...
1859 * double-int.c: ... here.
1860 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1861 add_double, neg_double, mul_double_with_sign, mul_double,
1862 lshift_double, rshift_double, lrotate_double, rrotate_double,
1863 div_and_round_double): Move prototypes ...
1864 * double-int.h: ... here.
1866 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1869 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1870 matching constraints to ensure inputs match the output.
1872 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1875 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1876 in an input-only operand.
1878 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1880 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1881 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1882 (double_int_negative_p): Convert to static inline function.
1883 * double-int.c (double_int_lshift, double_int_lshift): New functions.
1884 (double_int_negative_p): Remove.
1885 * tree.h (lshift_double, rshift_double):
1886 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1887 * fold-const.c (fold_convert_const_int_from_real,
1888 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1889 (lshift_double): Change type of arith argument to bool.
1890 (rshift_double): Change type of arith argument to bool. Correct
1892 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1894 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1897 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1898 at the start and end of the then/else blocks, and omit them from the
1900 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1901 argument; all callers changed. Pass zero to old_insns_match_p instead.
1902 (flow_find_head_matching_sequence): New function.
1903 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1904 * basic-block.h (flow_find_cross_jump,
1905 flow_find_head_matching_sequence): Declare functions.
1907 2010-04-14 Jason Merrill <jason@redhat.com>
1910 * c-common.c (attribute_takes_identifier_p): New fn.
1911 * c-common.h: Declare it.
1913 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1915 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1917 (*udivmod<mode>4): Ditto.
1919 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.md (maxmin_int): Rename code attribute from
1922 maxminiprefix and update all users.
1923 (maxmin_float): Ditto from maxminfprefix.
1924 (logic): Ditto from logicprefix.
1925 (absneg_mnemonic): Ditto from absnegprefix.
1926 * config/i386/mmx.md: Update all users of maxminiprefix,
1927 maxminfprefix and logicprefix for rename.
1928 * config/i386/sse.md: Ditto.
1929 * config/i386/sync.md (sync_<code><mode>): Update for
1932 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1935 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1936 warnings converted to errors.
1938 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1940 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1941 used insn_type variable.
1942 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1943 to avoid set-but-not-used warning.
1945 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1947 * df-core.c (df_ref_debug): Change format string placeholder
1949 * dwarf2asm.c (dw2_asm_output_data_raw,
1950 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1951 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1952 * dwarf2out.c (output_cfi, output_cfi_directive,
1953 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1954 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1956 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1957 * print-rtl.c (print_rtx): Ditto.
1959 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1962 * builtins.c (expand_builtin_pow_root): New function to expand pow
1963 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1964 series of sqrt and cbrt calls under -ffast-math.
1965 (expand_builtin_pow): Call it.
1967 2010-04-14 Michael Matz <matz@suse.de>
1969 PR tree-optimization/42963
1970 * tree-cfg.c (touched_switch_bbs): New static variable.
1971 (group_case_labels_stmt): New function broken out from ...
1972 (group_case_labels): ... here, use the above.
1973 (start_recording_case_labels): Allocate touched_switch_bbs.
1974 (end_recording_case_labels): Deallocate it, call
1975 group_case_labels_stmt.
1976 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1978 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1980 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1983 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1985 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1987 2010-04-13 Jan Hubicka <jh@suse.cz>
1989 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1990 of optimized out static functions.
1991 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1992 cost computation. Also sanity check for overflows.
1993 (update_caller_keys): Update cgraph_edge_badness call; properly
1994 update fibheap and sanity check that it is up to date.
1995 (add_new_edges_to_heap): Update cgraph_edge_badness.
1996 (cgraph_decide_inlining_of_small_function): Likewise;
1997 add sanity checking that badness in heap is up to date;
1998 improve dumping of reason; Update badness of calls to the
1999 offline copy of function currently inlined; dump badness
2000 of functions not inlined because of unit growth limits.
2002 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2005 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2006 because of sign-extension change when converting to sizetype here...
2007 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2009 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2010 the folding to constants. Remove redundant final conversion.
2011 (fold_binary) <associate>: Do not associate if the re-association of
2012 constants alone overflows.
2013 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2014 to the end of the list.
2015 (multiple_of_p) <COND_EXPR>: New case.
2017 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2019 * opt-functions.awk (opt_sanitized_name): New.
2021 * optc-gen.awk: Use it
2022 * opth-gen.awk: Use it.
2024 2010-04-13 Martin Jambor <mjambor@suse.cz>
2026 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2027 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2028 children. Call replace_uses_with_default_def_ssa_name to handle
2031 2010-04-13 Michael Matz <matz@suse.de>
2034 * builtins.c (expand_builtin_interclass_mathfn): Also create
2035 a register if the predicate doesn't match.
2037 2010-04-13 Diego Novillo <dnovillo@google.com>
2039 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2040 * c-pch.c: Include timevar.h.
2041 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2042 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2043 * ggc-common.c: Include timevar.h.
2044 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2045 * timevar.def (TV_PCH_SAVE): Define.
2046 (TV_PCH_CPP_SAVE): Define.
2047 (TV_PCH_PTR_REALLOC): Define.
2048 (TV_PCH_PTR_SORT): Define.
2049 (TV_PCH_RESTORE): Define.
2050 (TV_PCH_CPP_RESTORE): Define.
2052 2010-04-13 Michael Matz <matz@suse.de>
2054 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2056 (can_reassociate_p): New function.
2057 (break_up_subtract_bb, reassociate_bb): Use it.
2059 2010-04-13 Richard Guenther <rguenther@suse.de>
2062 * builtins.c (c_readstr): Fix assert.
2064 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2066 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2067 when generating cltd insn.
2069 (*ashl<mode>3_1): Remove special handling for register operand 2.
2070 (*ashlsi3_1_zext): Ditto.
2071 (*ashlhi3_1): Ditto.
2072 (*ashlhi3_1_lea): Ditto.
2073 (*ashlqi3_1): Ditto.
2074 (*ashlqi3_1_lea): Ditto.
2075 (*<shiftrt_insn><mode>3_1): Ditto.
2076 (*<shiftrt_insn>si3_1_zext): Ditto.
2077 (*<shiftrt_insn>qi3_1_slp): Ditto.
2078 (*<rotate_insn><mode>3_1): Ditto.
2079 (*<rotate_insn>si3_1_zext): Ditto.
2080 (*<rotate_insn>qi3_1_slp): Ditto.
2082 2010-04-13 Richard Guenther <rguenther@suse.de>
2084 * tree-ssa-structalias.c (callused_id): Remove.
2085 (call_stmt_vars): New.
2086 (get_call_vi): Likewise.
2087 (lookup_call_use_vi): Likewise.
2088 (lookup_call_clobber_vi): Likewise.
2089 (get_call_use_vi): Likewise.
2090 (get_call_clobber_vi): Likewise.
2091 (make_transitive_closure_constraints): Likewise.
2092 (handle_const_call): Adjust to do per-call call-used handling.
2093 (handle_pure_call): Likewise.
2094 (find_what_var_points_to): Remove general callused handling.
2095 (init_base_vars): Likewise.
2096 (init_alias_vars): Initialize call_stmt_vars.
2097 (compute_points_to_sets): Process call-used and call-clobbered
2098 vars for call statements.
2099 (delete_points_to_sets): Free call_stmt_vars.
2101 2010-04-13 Richard Guenther <rguenther@suse.de>
2103 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2104 Only add RW dependence for dependence distance zero.
2105 Adjust maximal vectorization factor according to dependences.
2106 Move alignment handling ...
2107 (vect_find_same_alignment_drs): ... here. New function.
2108 (vect_analyze_data_ref_dependences): Adjust.
2109 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2110 (vect_analyze_data_refs): Adjust minimal vectorization factor
2111 according to data references.
2112 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2113 dependences before determining the vectorization factor.
2114 Analyze alignment after determining the vectorization factor.
2115 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2116 dependences before alignment.
2117 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2119 (vect_analyze_data_refs): Likewise.
2120 (MAX_VECTORIZATION_FACTOR): New define.
2122 2010-04-13 Duncan Sands <baldrick@free.fr>
2124 * except.h (lang_eh_type_covers): Remove.
2125 * except.c (lang_eh_type_covers): Likewise.
2127 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2128 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2130 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2131 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2132 UNITS_PER_LONG where it is ABI relevant.
2133 (s390_return_addr_rtx): Likewise.
2134 (s390_back_chain_rtx): Likewise.
2135 (s390_frame_area): Likewise.
2136 (s390_frame_info): Likewise.
2137 (s390_initial_elimination_offset): Likewise.
2138 (save_gprs): Likewise.
2139 (s390_emit_prologue): Likewise.
2140 (s390_emit_epilogue): Likewise.
2141 (s390_function_arg_advance): Likewise.
2142 (s390_function_arg): Likewise.
2143 (s390_va_start): Likewise.
2144 (s390_gimplify_va_arg): Likewise.
2145 (s390_function_profiler): Likewise.
2146 (s390_optimize_prologue): Likewise.
2147 (s390_rtx_costs): Likewise.
2148 (s390_secondary_reload): Likewise.
2149 (s390_promote_function_mode): Likewise.
2150 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2151 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2152 registers available.
2153 (s390_unwind_word_mode): New function.
2154 (s390_function_value): Split 64 bit values into register pair if
2155 used as return value.
2156 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2157 function call parameters. Handle parallels.
2158 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2159 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2160 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2161 (s390_expand_setmem): Remove unused variable src_addr.
2162 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2163 deal with 64 bit registers.
2164 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2165 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2166 (UNITS_PER_LONG): New macro.
2167 * libjava/include/s390-signal.h: Define extended ucontext
2168 structure containing the upper halfs of the 64 bit registers.
2170 2010-04-13 Simon Baldwin <simonb@google.com>
2172 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2174 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2176 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2177 rvalue on the RHS if the LHS is of a non-renamable type.
2178 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2180 2010-04-13 Matthias Klose <doko@ubuntu.com>
2182 * gcc.c (cc1_options): Handle -iplugindir before processing
2183 the cc1 spec. Only add -iplugindir once.
2184 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2186 * common.opt (iplugindir): Remove `Separate' property, initialize.
2187 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2189 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2190 (distclean): Remove plugin dir.
2191 * doc/invoke.texi: Document -iplugindir.
2193 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2195 * doc/plugins.texi (Loading Plugins): Document short
2196 -fplugin=foo option.
2197 (Plugin API): Mention default_plugin_dir_name function.
2199 * gcc.c (find_file_spec_function): Add new declaration.
2200 (static_spec_func): Use it for "find-file".
2201 (find_file_spec_function): Add new function.
2202 (cc1_options): Add -iplugindir option if -fplugin* options found.
2204 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2206 * plugin.c (add_new_plugin): Updated comment, and handle short
2208 (default_plugin_dir_name): Added new function.
2210 * common.opt (iplugindir): New option to set the plugin directory.
2212 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2214 * config/i386/i386.md (any_rotate): New code iterator.
2215 (rotate_insn): New code attribute.
2217 (SWIM124): New mode iterator.
2218 (<rotate_insn>ti3): New expander.
2219 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2220 any_rotate code iterator.
2221 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2222 using any_rotate code iterator and SWIM124 mode iterator.
2223 (ix86_rotlti3): New insn_and_split pattern.
2224 (ix86_rotrti3): Ditto.
2225 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2226 ix86_rotl{di,ti}3 patterns.
2227 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2228 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2229 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2230 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2231 code iterator and SWI mode iterator.
2232 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2233 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2235 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2236 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2237 (bswap rotatert splitter): Add splitter.
2238 (bswap splitter): Macroize splitter using any_rotate code iterator.
2239 Add insn predicate to split only for TARGET_USE_XCHGB or when
2240 optimizing function for size.
2242 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2244 * config/pa/pa.c (emit_move_sequence): Remove use of
2245 deleted variable flag_argument_noalias.
2247 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2249 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2251 Add to unsupported targets list.
2252 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2253 sparc*-sun-solaris2.[567]* from target lists.
2254 * configure: Regenerate.
2255 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2257 Remove Solaris 7 patch references.
2258 (Specific, sparc-sun-solaris2.7): Removed.
2259 (sparc-sun-solaris2*): Update Solaris 7 example.
2260 (sparc64-*-solaris2*): Likewise.
2262 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2264 * config.build (alpha*-dec-osf4*): Remove.
2265 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2266 of obsolete configurations.
2267 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2269 * config/alpha/t-osf4: Renamed to ...
2270 * config/alpha/t-osf5: ... this.
2271 * config/alpha/osf.h: Renamed to ...
2272 * config/alpha/osf5.h: ... this.
2273 Merged old osf5.h contents.
2275 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2276 (EXTRA_SPECS): Removed.
2277 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2278 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2281 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2283 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2285 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2288 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2289 __thiscall convention.
2291 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2293 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2295 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2297 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2299 * function.c (assign_parms_initialize_all): Add unused attribute
2302 2010-04-12 Richard Guenther <rguenther@suse.de>
2304 * gsstruct.def (GSS_CALL): New.
2305 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2306 * gimple.h: Include tree-ssa-alias.h.
2307 (struct gimple_statement_call): New.
2308 (union gimple_statement_struct_d): Add gimple_call member.
2309 (gimple_call_reset_alias_info): Declare.
2310 (gimple_call_use_set): New function.
2311 (gimple_call_clobber_set): Likewise.
2312 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2313 * gimple.c (gimple_call_reset_alias_info): New function.
2314 (gimple_build_call_1): Call it.
2315 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2316 * tree-inline.c (remap_gimple_stmt): Likewise.
2317 (expand_call_inline): Remove callused handling.
2318 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2319 * tree-dfa.c (dump_variable): Likewise.
2320 * tree-parloops.c (parallelize_loops): Likewise.
2321 * tree-ssa.c (init_tree_ssa): Likewise.
2322 (delete_tree_ssa): Likewise.
2323 * tree-flow-inline.h (is_call_used): Remove.
2324 * tree-flow.h (struct gimple_df): Remove callused member.
2325 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2326 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2327 (ref_maybe_used_by_call_p_1): Simplify.
2328 (call_may_clobber_ref_p_1): Likewise.
2329 * tree-ssa-structalias.c (compute_points_to_sets): Set
2330 the call stmt used and clobbered sets.
2331 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2332 (find_tail_calls): Verify the tail call.
2334 2010-04-12 Richard Guenther <rguenther@suse.de>
2336 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2337 single-iteration always-inline inlining.
2338 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2339 (cgraph_decide_inlining): Do not handle always-inline specially.
2340 (try_inline): Remove always-inline cycle detection special case.
2341 Do not recurse on always-inlines.
2342 (cgraph_early_inlining): Do not iterate if not optimizing.
2343 (cgraph_gate_early_inlining): remove.
2344 (pass_early_inline): Run unconditionally.
2345 (gate_cgraph_decide_inlining): New function.
2346 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2347 not inlining or optimizing.
2348 (cgraph_decide_inlining_of_small_functions): Also consider
2349 always-inline functions.
2350 (cgraph_default_inline_p): Return true for nodes which should
2351 disregard inline limits.
2352 (estimate_function_body_sizes): Assume zero size and time for
2353 nodes which are marked as disregarding inline limits.
2354 (cgraph_decide_recursive_inlining): Do not perform recursive
2355 inlining on always-inline nodes.
2357 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2360 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2361 for exprs satisfying handled_component_p.
2363 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2365 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2366 non-constant aggregate elements.
2368 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2369 is a real initialization.
2371 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2374 * c-decl.c (start_function): Move forward check for nested function.
2376 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2378 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2379 * config/sh/sh.c: Include reload.h.
2380 (sh_legitimize_reload_address): New.
2381 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2382 sh_legitimize_reload_address.
2384 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2386 * config/sh/sh.md (*movqi_pop): New insn pattern.
2387 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2389 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2391 * config/i386/i386.md (any_shiftrt): New code iterator.
2392 (shiftrt_insn): New code attribute.
2394 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2395 using any_shiftrt code iterator.
2396 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2397 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2398 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2399 pattern from corresponding peephole2 patterns.
2400 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2401 using any_shiftrt code iterator.
2402 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2403 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2404 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2405 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2406 *{ashr,lshr}<mode>3_cmp_zext.
2407 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2409 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2411 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2413 (*lshr<mode>3_cconly): Ditto.
2415 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2417 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2418 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2419 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2420 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2422 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2423 from corresponding peephole2 patterns.
2424 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2425 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2426 and *lshrdi3_1_rex64 using SWI mode iterator.
2427 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2428 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2429 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2430 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2431 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2432 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2433 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2434 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2435 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2438 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2440 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2441 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2442 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2443 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2445 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2446 from corresponding peephole2 patterns.
2447 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2448 (ashrsi3_cvt): Rename from ashrsi3_31.
2449 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2450 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2451 and x86_64_shift_adj_3 using SWI48 mode iterator.
2452 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2453 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2454 and *ashrdi3_1_rex64 using SWI mode iterator.
2455 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2456 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2457 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2458 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2459 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2460 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2461 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2462 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2463 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2465 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2466 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2467 x86_shift<mode>_adj_3 expanders.
2469 2010-04-10 Wei Guozhi <carrot@google.com>
2472 * config/arm/arm.c (arm_pic_static_addr): New function.
2473 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2475 (arm_output_addr_const_extra): Output expression for new pattern.
2476 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2478 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2480 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2483 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2484 * web.c: Include "insn-config.h" and "recog.h".
2485 (union_match_dups): New function.
2486 (web_main): Call it.
2487 (union_defs): Don't try to recognize match_dups.
2489 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2490 if doing so would replace the entire pattern.
2492 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2496 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2497 and splitter pattern. Change splitter operand 1 predicate to
2500 2010-04-09 Martin Jambor <mjambor@suse.cz>
2502 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2503 lattices are addresses of CONST_DECLs with the same initial value.
2504 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2505 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2507 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2508 Bernd Schmidt <bernds@codesourcery.com>
2510 * loop-invariant.c (replace_uses): New static function.
2511 (move_invariant_reg): Use it to ensure we can replace the uses.
2513 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2515 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2517 (picochip_override_options): Enable section anchors only above -O1.
2518 (picochip_reorg): Fixed a couple of build warnings.
2520 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2522 * configure.ac (plugin -rdynamic test): Log result.
2523 * configure: Regenerate.
2524 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2525 (RDYNAMIC_SPEC): Define.
2526 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2528 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2530 * configure.ac: Determine Sun ld version numbers.
2531 (comdat_group): Restrict GNU ld version checks to gld.
2532 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2533 (enable_comdat): Support --enable-comdat.
2534 * configure: Regenerate.
2535 * doc/install.texi (Configuration): Document --enable-comdat.
2537 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2539 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2540 * config/sol2-gld.h: ... here.
2541 * config.gcc (sparc*-*-solaris2*): Reflect this.
2542 (i[34567]86-*-solaris2*): Use it.
2544 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2546 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2548 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2550 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2553 * diagnostic.c (diagnostic_initialize): Initialize
2554 some_warnings_are_errors.
2555 (diagnostic_finish): New.
2556 (diagnostic_action_after_output): Call it before exiting.
2557 (diagnostic_report_diagnostic): Do not print message here. Set
2558 some_warnings_are_errors.
2559 * diagnostic.h (diagnostic_context): Delete
2560 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2561 (diagnostic_finish): Declare.
2562 * toplev.c (toplev_main): Call it before exit.
2564 2010-04-09 Jason Merrill <jason@redhat.com>
2567 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2568 for incomplete type.
2571 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2572 based on a warning flag.
2574 2010-04-09 Richard Guenther <rguenther@suse.de>
2576 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2578 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2581 * varasm.c (default_assemble_visibility): Wrap vars that are
2582 set, but unused, by targets without GAS.
2583 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2584 Remove set, but unused, vars.
2585 (rs6000_legitimize_tls_address): Likewise.
2586 (altivec_expand_dst_builtin): Likewise.
2587 * config/darwin.c (machopic_classify_symbol): Likewise.
2588 (machopic_indirection_name): Likewise.
2590 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2592 * config/i386/i386.md (DWI): New mode iterator.
2593 (S): New mode attribute.
2594 (shift_operand): Ditto.
2595 (shift_immediate_operand): Ditto.
2596 (ashl_input_operand): Ditto.
2597 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2598 using SDWIM mode iterator.
2599 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2600 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2602 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2603 from corresponding peephole2 patterns.
2604 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2605 and x86_64_shift_adj_1 using SWI48 mode iterator.
2606 (x86_shift<mode>_adj_2): Ditto.
2607 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2608 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2609 using SWI48 mode iterator.
2610 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2611 *ashldi3_cmp_rex64 using SWI mode iterator.
2612 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2613 *ashldi3_cconly_rex64 using SWI mode iterator.
2614 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2615 x86_shift<mode>_adj_{1,2}.
2616 (ix86_split_ashr): Ditto.
2617 (ix86_split_lshr): Ditto.
2619 2010-04-09 Richard Guenther <rguenther@suse.de>
2621 * target.h (builtin_conversion): Pass in input and output types.
2622 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2623 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2624 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2625 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2627 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2629 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2631 2010-04-09 Richard Guenther <rguenther@suse.de>
2634 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2636 2010-04-09 Richard Guenther <rguenther@suse.de>
2638 * tree-vectorizer.h (struct _stmt_vec_info): Document
2639 that vectype is the type of the LHS.
2640 (supportable_widening_operation, supportable_narrowing_operation):
2641 Get both input and output vector types as arguments.
2642 (vect_is_simple_use_1): Declare.
2643 (get_same_sized_vectype): Likewise.
2644 * tree-vect-loop.c (vect_determine_vectorization_factor):
2645 Set STMT_VINFO_VECTYPE to the vector type of the def.
2646 (vectorizable_reduction): Adjust.
2647 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2648 Adjust. Specify the output vector type.
2649 (vect_pattern_recog_1): Adjust.
2650 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2651 (vectorizable_call): Adjust.
2652 (vectorizable_conversion): Likewise.
2653 (vectorizable_operation): Likewise.
2654 (vectorizable_type_demotion): Likewise.
2655 (vectorizable_type_promotion): Likewise.
2656 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2658 (vect_is_simple_use_1): New function.
2659 (supportable_widening_operation): Get both input and output
2661 (supportable_narrowing_operation): Likewise.
2662 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2664 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2666 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2667 __thiscall and _thiscall as predefined macros.
2668 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2669 thiscall attribute handling.
2670 (ix86_comp_type_attributes): Likewise.
2671 (ix86_function_regparm): Likewise.
2672 (ix86_return_pops_args): Likewise.
2673 (init_cumulative_args): Likewise.
2674 (find_drap_reg): Likewise.
2675 (ix86_static_chain): Likewise.
2676 (x86_this_parameter): Likewise.
2677 (x86_output_mi_thunk): Likewise.
2678 (ix86_attribute_table): Add description for thiscall attribute.
2679 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2680 * doc/extend.texi: Add documentation for thiscall.
2682 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2685 * c.opt (Wint-to-pointer-cast): Available in C++.
2686 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2688 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2690 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2691 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2692 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2693 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2694 function type instead. Reorder and simplify checks.
2696 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2698 2010-04-08 Jing Yu <jingyu@google.com>
2699 Zdenek Dvorak <ook@ucw.cz>
2701 PR tree-optimization/42720
2702 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2703 loop unswitch conditions here from ...
2704 (tree_unswitch_single_loop): ... here.
2706 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2708 * tree-if-conv.c: Fix comments and simplify logic.
2710 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2712 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2713 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2714 (main_tree_if_conversion): Update call to tree_if_conversion.
2716 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2719 * doc/invoke.texi (-b,-V): Delete.
2720 * doc/tm.texi: Do not mention -b.
2721 * gcc.c (display_help): Delete -b and -V.
2722 (process_command): Delete -b and -V.
2723 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2725 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2726 Wolfgang Gellerich <gellerich@de.ibm.com>
2728 Implement target hook for loop unrolling
2729 * target.h (loop_unroll_adjust): Add a new target hook function.
2730 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2731 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2732 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2733 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2734 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2736 (decide_unroll_stupid): Likewise.
2738 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2741 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2743 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2745 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2746 (Specific, *-*-solaris2*): Likewise.
2747 Don't prefer Sun as over GNU as.
2749 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2751 * config/s390/s390.c (override_options): Adjust the z10
2752 defaults for max-unroll-times, max-completely-peeled-insns
2753 and max-completely-peel-times.
2755 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2757 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2758 instructions for z10.
2759 (s390_expand_setmem): Likewise.
2760 (s390_expand_cmpmem): Likewise.
2762 2010-04-08 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/43679
2765 * tree-ssa-pre.c (eliminate): Only propagate copies.
2767 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2770 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2771 set but not used variable warning.
2773 2010-04-08 Wei Guozhi <carrot@google.com>
2776 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2777 (arm_size_rtx_costs): Call the new function when optimized for size.
2779 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2782 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2783 op0 is not a MEM, just return NULL instead of assertion
2785 (discover_nonconstant_array_refs): Don't walk debug stmts.
2787 2010-04-08 Doug Kwan <dougkwan@google.com>
2789 * configure.ac: Recognize gold and do not use its version number
2790 to test ld features.
2791 * configure: Regenerate.
2793 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2796 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2797 (negate_value): Move code to push elements to broken_up_substracts ...
2798 (eliminate_plus_minus_pair): ... here. Push operands that have no
2799 negative pair to plus_negates.
2800 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2802 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2804 * doc/install.texi (Configuration): Move description of
2805 --enable-lto, --with-libelf*, --enable-gold from Java section to
2808 * doc/generic.texi (Working with declarations)
2809 (Function Properties, C and C++ Trees): Fix typos.
2810 * doc/sourcebuild.texi (Top Level): Likewise.
2812 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2815 * tree.h (DECL_READ_P): Define.
2816 (struct tree_decl_common): Add decl_read_flag.
2817 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2818 a set but not used warning.
2819 (merge_decls): Merge DECL_READ_P flag.
2820 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2821 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2822 * c-common.c (handle_used_attribute, handle_unused_attribute):
2824 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2826 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2828 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2829 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2830 c_parser_binary_expression, c_parser_cast_expression,
2831 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2832 Call default_function_array_read_conversion instead of
2833 default_function_array_conversion where needed.
2834 (c_parser_unary_expression, c_parser_conditional_expression,
2835 c_parser_postfix_expression_after_primary, c_parser_initelt):
2836 Likewise. Call mark_exp_read where needed.
2837 (c_parser_statement_after_labels, c_parser_asm_operands,
2838 c_parser_typeof_specifier, c_parser_sizeof_expression,
2839 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2841 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2843 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2844 (warn_unused_but_set_parameter): Default to warn_unused
2846 * doc/invoke.texi: Document -Wunused-but-set-variable and
2847 -Wunused-but-set-parameter.
2849 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2850 used count variable.
2851 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2852 when operandN variables aren't used in the body of the expander
2854 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2855 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2856 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2857 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2858 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2859 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2860 * tree.c (PROCESS_ARG): Likewise.
2862 2010-04-07 Simon Baldwin <simonb@google.com>
2864 * diagnostic.h (diagnostic_override_option_index): New macro to
2865 set a diagnostic's option_index.
2866 * c-tree.h (c_cpp_error): Add warning reason argument.
2867 * opts.c (_warning_as_error_callback): New.
2868 (register_warning_as_error_callback): Store callback for
2869 warnings enabled via enable_warning_as_error.
2870 (enable_warning_as_error): Call callback, minor code tidy.
2871 * opts.h (register_warning_as_error_callback): Declare.
2872 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2873 response to -Werror=.
2874 (c_common_init_options): Register warning_as_error_callback in opts.c.
2875 * common.opt: Add -Wno-cpp option.
2876 * c-common.c (struct reason_option_codes_t): Map cpp warning
2877 reason codes to gcc option indexes.
2878 * (c_option_controlling_cpp_error): New function, lookup the gcc
2879 option index for a cpp warning reason code.
2880 * (c_cpp_error): Add warning reason argument, call
2881 c_option_controlling_cpp_error for diagnostic_override_option_index.
2882 * doc/invoke.texi: Document -Wno-cpp.
2884 2010-04-07 Richard Guenther <rguenther@suse.de>
2886 * ipa-reference.c (mark_load): Use get_base_address.
2887 (mark_store): Likewise.
2889 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2890 inserting GIMPLE_NOPs into the IL.
2891 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2892 Explicitly strip handled components and indirect references.
2894 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2895 folding address expressions.
2896 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2897 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2898 operand_equal_p to compare decls.
2899 (ptr_deref_may_alias_decl_p): Likewise.
2900 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2901 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2902 Handle reversed comparison ops.
2903 * tree-sra.c (asm_visit_addr): Use get_base_address.
2904 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2905 * ipa-reference.c (mark_address): Use get_base_address.
2907 2010-04-07 Richard Guenther <rguenther@suse.de>
2909 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2910 Propagate constants everywhere.
2912 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2915 * tree.c (MAX_INT_CACHED_PREC): Define.
2916 (nonstandard_integer_type_cache): New array.
2917 (build_nonstandard_integer_type): Cache results for precision
2918 <= MAX_INT_CACHED_PREC.
2920 2010-04-07 Richard Guenther <rguenther@suse.de>
2922 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2923 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2924 * common.opt: Likewise.
2925 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2926 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2927 (nonoverlapping_memrefs_p): Likewise.
2928 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2929 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2930 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2931 OPT_fargument_noalias_global for backward compatibility.
2933 2010-04-07 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/43270
2936 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2937 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2938 * tree-ssa-pre.c (phi_translate_1): Adjust.
2939 (fully_constant_expression): Split out vn_reference handling to ...
2940 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2941 Fold reads from constant strings.
2942 (vn_reference_lookup): Handle fully constant references.
2943 (vn_reference_lookup_pieces): Likewise.
2944 * Makefile.in (expmed.o-warn): Add -Wno-error.
2946 2010-04-07 Martin Jambor <mjambor@suse.cz>
2948 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2950 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2953 * gcc.c: Add -static-libstdc++ to list of recognized options.
2955 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2957 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2959 2010-04-07 Richard Guenther <rguenther@suse.de>
2962 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2963 bases build simple mem attributes to retain points-to information.
2965 2010-04-07 Richard Guenther <rguenther@suse.de>
2968 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2969 preserve points-to related information.
2971 2010-04-07 Richard Guenther <rguenther@suse.de>
2974 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2975 discard plain indirect references.
2976 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2977 * tree.c (tree_nop_conversion): Likewise.
2979 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2982 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2984 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2986 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2987 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2989 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2991 * tree-if-conv.c: Fix indentation and comments.
2993 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2995 * tree-if-conv.c: Sort static functions in topological order.
2997 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2999 * tree-if-conv.c: Fix indentation and comments.
3001 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3004 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3005 lang_hooks.types.type_for_size instead of
3006 build_nonstandard_integer_type.
3007 When converting an unsigned type to signed, double its precision.
3008 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3009 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3010 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3013 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3016 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3017 POINTER_PLUS_EXPR for pointer types.
3019 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3022 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3023 * graphite-clast-to-gimple.c: Include langhooks.h.
3024 (max_signed_precision_type): New.
3025 (max_precision_type): Takes two types as arguments.
3026 (precision_for_value): New.
3027 (precision_for_interval): New.
3028 (gcc_type_for_interval): New.
3029 (gcc_type_for_value): New.
3030 (gcc_type_for_clast_term): New.
3031 (gcc_type_for_clast_red): New.
3032 (gcc_type_for_clast_bin): New.
3033 (gcc_type_for_clast_expr): Split up into several functions.
3034 (gcc_type_for_clast_eq): Rewritten.
3035 (compute_bounds_for_level): New.
3036 (compute_type_for_level_1): New.
3037 (compute_type_for_level): New.
3038 (gcc_type_for_cloog_iv): Removed.
3039 (gcc_type_for_iv_of_clast_loop): Rewritten.
3040 (graphite_create_new_loop): Compute the lower and upper bound types
3041 with gcc_type_for_clast_expr.
3042 (graphite_create_new_loop_guard): Same.
3043 (find_cloog_iv_in_expr): Removed.
3044 (compute_cloog_iv_types_1): Removed.
3045 (compute_cloog_iv_types): Removed.
3046 (gloog): Do not call compute_cloog_iv_types.
3047 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3049 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3050 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3051 (GBB_CLOOG_IV_TYPES): Removed.
3053 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3055 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3056 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3057 (detect_commutative_reduction): Same.
3059 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3061 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3062 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3064 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3065 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3066 (rewrite_commutative_reductions_out_of_ssa): Same.
3067 * passes.c (execute_function_todo): Call verify_ssa for every pass
3068 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3069 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3070 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3071 with an extra argument.
3072 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3073 verify_ssa only when the extra argument is true.
3074 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3075 with an extra argument.
3076 (tree_transform_and_unroll_loop): Same.
3078 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3080 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3081 for all the passes of the LNO having LOOP_CLOSED_SSA.
3082 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3083 * tree-loop-distribution.c (pass_loop_distribution): Same.
3084 * tree-pass.h (TODO_verify_loops): Removed.
3085 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3087 (pass_tree_unswitch): Same.
3088 (pass_predcom): Same.
3089 (pass_vectorize): Same.
3090 (pass_linear_transform): Same.
3091 (pass_graphite_transforms): Same.
3092 (pass_iv_canon): Same.
3093 (pass_complete_unroll): Same.
3094 (pass_complete_unrolli): Same.
3095 (pass_parallelize_loops): Same.
3096 (pass_loop_prefetch): Same.
3097 (pass_iv_optimize): Same.
3099 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3102 * passes.c (init_optimization_passes): Move pass_lim before
3103 pass_copy_prop and pass_dce_loop.
3105 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3108 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3109 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3110 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3111 MULTI_* defines for 4 argument vpermil2p* builtins.
3113 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3116 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3117 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3118 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3119 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3120 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3121 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3122 Use x86_maybe_negate_const_int to output insn mnemonic.
3123 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3124 check from instruction predicate. Update comments.
3125 * config/i386/sync.md (sync_add<mode>): Use
3126 x86_maybe_negate_const_int to output insn mnemonic.
3128 2010-04-06 Jan Hubicka <jh@suse.cz>
3130 PR tree-optimization/42906
3131 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3132 IGNORE_SELF argument. Set visited_control_parents for fully
3134 (find_obviously_necessary_stmts): Update call of
3135 mark_control_dependent_edges_necessary.
3136 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3138 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3140 * config/i386/i386.md: Remove comment about 'e' and 'E'
3143 2010-04-06 Richard Guenther <rguenther@suse.de>
3145 PR tree-optimization/43627
3146 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3147 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3150 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3152 * BASE-VER: Change to 4.6.0.
3155 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3158 2010-04-06 Richard Guenther <rguenther@suse.de>
3161 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3163 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3165 * doc/invoke.texi (Optimize Options): Document that LTO
3166 won't remove object access purely due to incompatible
3169 2010-04-04 Matthias Klose <doko@ubuntu.com>
3171 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3172 Initialize variable.
3174 2010-04-03 Richard Guenther <rguenther@suse.de>
3177 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3178 require a non-NULL MEM_OFFSET.
3180 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3182 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3183 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3184 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3185 config/alpha/predicates.md, config/arm/arm.md,
3186 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3187 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3188 config/darwin9.h, config/darwin.c, config/darwin.h,
3189 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3190 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3191 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3192 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3193 config/mips/mips.md, config/mn10300/mn10300.c,
3194 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3195 config/rs6000/aix.h, config/rs6000/dfp.md,
3196 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3197 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3198 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3199 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3200 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3201 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3202 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3203 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3204 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3205 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3206 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3207 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3208 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3209 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3210 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3211 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3212 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3213 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3214 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3215 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3216 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3217 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3218 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3219 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3220 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3221 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3222 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3223 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3224 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3225 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3226 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3227 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3228 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3229 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3230 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3231 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3233 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3236 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3237 * aclocal.m4: Regenerate.
3239 2010-04-02 Richard Guenther <rguenther@suse.de>
3241 PR tree-optimization/43629
3242 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3243 if we have seen a constant value.
3245 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3247 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3249 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3252 * arm.c (legitimize_tls_address): Adjust call to
3253 gen_tls_load_dot_plus_four.
3254 (arm_note_pic_base): New function.
3255 (arm_cannot_copy_insn_p): Use it.
3256 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3259 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3264 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3266 * Makefile.in ($(out_object_file)): Depend on
3267 gt-$(basename $(notdir $(out_file))).h.
3269 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3271 * config.gcc (lm32-*-rtems*): Add t-lm32.
3273 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3275 * config.gcc: Add lm32-*-rtems*.
3276 * config/lm32/rtems.h: New file.
3278 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3281 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3283 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3285 * dwarf2out.c (output_compilation_unit_header): For
3286 -gdwarf-4 use version 4 instead of version 3.
3287 (output_line_info): For version 4 and above emit additional
3288 maximum ops per insn header field.
3289 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3291 * dwarf2out.c (is_c_family, is_java): Remove.
3292 (lower_bound_default): New function.
3293 (add_bound_info, gen_descr_array_type_die): Use it.
3295 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3298 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3299 re-declaration when it happens in a function.
3301 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3303 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3304 (cgraph_remove_function_insertion_hook): Same.
3305 (cgraph_call_function_insertion_hooks): Same.
3307 2010-04-01 Richard Guenther <rguenther@suse.de>
3310 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3311 and TREE_THIS_VOLATILE.
3312 (copy_ref_info): Likewise.
3313 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3314 * tree.c (build6_stat): Ignore side-effects of all but arg5
3315 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3318 2010-04-01 Richard Guenther <rguenther@suse.de>
3320 PR tree-optimization/43607
3321 * ipa-type-escape.c (check_call): Do not access non-existing
3324 2010-04-01 Richard Guenther <rguenther@suse.de>
3328 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3329 Jack Howarth <howarth@bromo.med.uc.edu>
3331 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3334 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3336 * doc/install.texi (Prerequisites): Document libelf usability on
3337 IRIX 5/6 and Solaris 2.
3338 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3339 Update GNU as, GNU ld requirements.
3340 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3341 Document Sun Studio compiler download.
3342 Update and simplify as, ld recommendations.
3343 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3345 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3347 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3348 with_tune_32 to pentium4.
3350 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3352 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3354 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3356 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3357 obsoletion, removal.
3359 Document GNU as requirement.
3360 Update configure requirements.
3361 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3362 Recomment IRIX 6.5.18+.
3363 Document IDF/IDL requirement.
3364 Document GNU as requirement.
3365 Document GNU ld bootstrap failure.
3366 Remove freeware.sgi.com reference.
3368 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3370 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3371 UNIX V4.0, V5.0 obsoletion, removal.
3372 Remove --with-gc=simple reference.
3373 Update VM requirements during bootstrap.
3374 Remove -oldas bootstrap description.
3375 Update binutils reference.
3376 Remove comparison failure note.
3378 2010-03-31 Richard Guenther <rguenther@suse.de>
3379 Zdenek Dvorak <ook@ucw.cz>
3380 Sebastian Pop <sebastian.pop@amd.com>
3383 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3384 with multiple arguments.
3385 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3387 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3389 * graphite-dependences.c (print_pddr): Call print_pdr with an
3391 * graphite-poly.c (debug_pdr): Add an extra argument for the
3394 (print_pbb_domain): Same.
3396 (print_scop_context): Same.
3398 (print_cloog): Same.
3399 (debug_pbb_domain): Same.
3403 (debug_scop_context): Same.
3405 (debug_cloog): Same.
3406 (print_scop_params): Same.
3407 (debug_scop_params): Same.
3408 (print_iteration_domain): Same.
3409 (print_iteration_domains): Same.
3410 (debug_iteration_domain): Same.
3411 (debug_iteration_domains): Same.
3412 (print_scattering_function): Same.
3413 (print_scattering_functions): Same.
3414 (debug_scattering_function): Same.
3415 (debug_scattering_functions): Same.
3416 * graphite-poly.h (debug_pdr): Update declaration.
3418 (print_pbb_domain): Same.
3420 (print_scop_context): Same.
3422 (print_cloog): Same.
3423 (debug_pbb_domain): Same.
3427 (debug_scop_context): Same.
3429 (debug_cloog): Same.
3430 (print_scop_params): Same.
3431 (debug_scop_params): Same.
3432 (print_iteration_domain): Same.
3433 (print_iteration_domains): Same.
3434 (debug_iteration_domain): Same.
3435 (debug_iteration_domains): Same.
3436 (print_scattering_function): Same.
3437 (print_scattering_functions): Same.
3438 (debug_scattering_function): Same.
3439 (debug_scattering_functions): Same.
3441 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3443 * graphite-poly.c (print_scattering_function_1): New.
3444 (print_scattering_function): Call it.
3445 (print_scop_params): Remove spaces at the end of lines.
3448 * graphite-poly.h (print_cloog): Declared.
3449 (debug_cloog): Declared.
3451 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3453 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3455 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3456 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3457 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3458 to switch between adding the IV bump in loop->latch or in loop->header.
3460 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3462 * graphite-poly.c (print_scattering_function): Pretty print following
3465 (print_pbb_domain): Same.
3466 (dump_gbb_cases): Same.
3467 (dump_gbb_conditions): Same.
3470 (print_scop_params): Same.
3471 (print_scop_context): Same.
3473 (print_pbb_body): New.
3474 (lst_indent_to): New.
3475 (print_lst): Start new lines with a #.
3476 * graphite-poly.h (pbb_bb): New.
3477 (pbb_index): Use pbb_bb.
3478 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3480 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3482 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3484 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3485 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3486 and 0 instead of 1 for dw_val_class_flag.
3487 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3488 dw_val_class_range_list, dw_val_class_loc_list,
3489 dw_val_class_lineptr and dw_val_class_macptr, use
3490 DW_FORM_flag_present for dw_val_class_flag and
3491 DW_FORM_exprloc for dw_val_class_loc.
3492 (output_die): For -gdwarf-4 print dw_val_class_loc
3493 size as uleb128 instead of 1 or 2 bytes and don't print
3494 anything for dw_val_class_flag.
3496 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3497 instead of cselib_lookup following by tweaking locs->setting_insn.
3500 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3501 even before returning from label, setjmp call or volatile asm
3504 2010-03-31 Richard Guenther <rguenther@suse.de>
3507 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3508 temporary data on stack.
3510 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3512 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3513 (PUSHSECTION_ASM_OP): Remove.
3514 (POPSECTION_ASM_OP): Remove.
3515 (PUSHSECTION_FORMAT): Remove.
3516 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3517 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3518 * config/sol2.c (solaris_output_init_fini): Use it.
3520 2010-03-31 Jie Zhang <jie@codesourcery.com>
3523 * opt-functions.awk (var_type_struct): Use signed char type
3524 for simple variables.
3526 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3528 * config/sol2.c: Include output.h.
3529 (solaris_assemble_visibility): New function.
3530 * config/t-sol2 (sol2.o): Add output.h dependency.
3531 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3532 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3535 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3538 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3539 V2SImode or XFmode on PRE_DEC.
3542 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3545 2010-03-31 Jie Zhang <jie@codesourcery.com>
3548 * reload.h (caller_save_initialized_p): Declare.
3549 * toplev.c (backend_init_target): Don't call
3550 init_caller_save but set caller_save_initialized_p to false.
3551 * caller-save.c (caller_save_initialized_p): Define.
3552 (init_caller_save): Check caller_save_initialized_p.
3553 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3555 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3558 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3559 and soft-fp/t-softfp to tmake_file.
3560 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3561 (LIBGCC2_TF_CEXT): Define.
3564 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3567 * cselib.c (n_useless_values): Document handling of debug locs.
3568 (n_useless_debug_values, n_debug_values): New variables.
3569 (new_elt_loc_list): Don't add to debug values, keep count.
3570 (promote_debug_loc): New.
3571 (cselib_reset_table): Zero new variables.
3572 (entry_and_rtx_equal_p): Promote debug locs.
3573 (discard_useless_locs): Increment n_useless_debug_values for
3575 (remove_useless_values): Adjust n_useless_values and n_debug_values
3576 with n_useless_debug_values.
3577 (add_mem_for_addr): Promote debug locs.
3578 (cselib_lookup_mem): Likewise.
3579 (cselib_lookup_addr): Renamed to...
3580 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3581 (cselib_log_lookup): ... this. Turn into...
3582 (cselib_lookup_addr): ... new wrapper.
3583 (cselib_lookup_from_insn): New.
3584 (cselib_invalidate_regno): Increment n_useless_debug_values for
3586 (cselib_invalidate_mem): Likewise.
3587 (cselib_process_insn): Take n_deleted and n_debug_values into
3588 account to guard remove_useless_value call.
3589 (cselib_finish): Zero n_useless_debug_values.
3590 * cselib.h (cselib_lookup_from_insn): Declare.
3591 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3592 (sched_analyze_2): Likewise.
3594 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3596 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3598 (adjust_mems): Replace narrowing SUBREG of expression containing
3599 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3600 with operations in the narrower mode.
3603 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3604 regs_invalidated_by_call instead all call_used_reg_set registers.
3606 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3609 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3610 pointer comparisons with types_compatible_p.
3611 * tree-vect-stmts.c (vectorizable_call): Same.
3612 (vectorizable_condition): Same.
3614 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3616 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3617 stack check if the mask would be zero.
3619 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3620 Jack Howarth <howarth@bromo.med.uc.edu>
3622 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3625 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3628 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3630 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3631 Include ___unordxf2 and ___unordtf2.
3632 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3635 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3637 * config/lm32/t-lm32: New file.
3638 * config.gcc: Use the above file when targetting lm32.
3640 2010-03-28 Duncan Sands <baldrick@free.fr>
3642 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3644 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3647 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3648 Improve vectorization cost model diagnostic.
3650 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3653 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3654 compute_data_dependences_for_loop returns false, early exit
3655 and output an extra diagnostic for the failed data reference
3658 2010-03-29 Richard Guenther <rguenther@suse.de>
3660 PR tree-optimization/43560
3661 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3662 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3664 2010-03-29 Jie Zhang <jie@codesourcery.com>
3667 * toplev.c (process_options): Set optimization_default_node
3668 and optimization_current_node.
3669 * opts.c (decode_options): Don't set optimization_default_node
3670 and optimization_current_node.
3672 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3674 * config/rtems.h: Abandon -qrtems_debug.
3676 2010-03-28 Jan Hubicka <jh@suse.cz>
3678 PR tree-optimization/43505
3679 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3680 map should not be copied.
3682 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3685 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3686 cdtors, set DECL_PRESERVE_P.
3687 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3690 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3692 PR tree-optimization/43528
3693 * stor-layout.c (place_field): Check that constant fits into
3694 unsigned HWI when skipping calculation of MS bitfield layout.
3696 2010-03-27 Jan Hubicka <jh@suse.cz>
3699 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3700 notice_global_symbol work.
3702 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3704 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3705 instead of dwarf2out_decl.
3706 (struct var_loc_node): Remove section_label field.
3707 (dwarf2out_function_decl): New function.
3708 (dwarf2out_var_location): Don't set section_label field.
3709 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3711 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3713 PR tree-optimization/43544
3714 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3715 First argument for builtin vectorized function hook is now a
3716 tree to be able to distinguish between machine specific and
3718 * targhooks.c (default_builtin_vectorized_function): Ditto.
3719 * targhooks.h (default_builtin_vectorized_function): Ditto.
3720 * target.h (struct gcc_target): Ditto.
3721 * tree-vect-stmts.c (vectorizable_function): Ditto.
3722 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3723 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3726 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3729 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3730 nested binding iff it is a FUNCTION_DECL.
3731 (store_parm_decls_newstyle): Pass nested=true to bind for
3732 FUNCTION_DECLs amongst parameters.
3734 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3736 * var-tracking.c (vt_expand_loc_callback): Don't run
3737 cselib_expand_value_rtx_cb in dummy mode if
3738 cselib_dummy_expand_value_rtx_cb returned false.
3740 * var-tracking.c (emit_note_insn_var_location): For one part
3741 notes with offset 0, don't add EXPR_LIST around the location.
3742 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3743 add_location_or_const_value_attribute): Adjust for that change.
3746 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3747 into first operand and location into second.
3748 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3749 dw_cfi_oprnd_loc for DW_CFA_expression.
3750 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3751 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3752 assume first argument is regnum and second argument is location.
3754 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3757 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3758 of scratch register to DImode. Split to DImode comparison operator.
3759 Use SImode subreg of scratch register in the multiplication.
3760 (*cmp_sadd_sidi): Ditto.
3761 (*cmp_ssub_si): Ditto.
3762 (*cmp_ssub_sidi): Ditto.
3764 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3767 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3768 Remove invalid assert and wrong comment.
3770 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3773 * flags.h (final_insns_dump_p): New extern.
3774 * final.c (final_insns_dump_p): New variable.
3775 (rest_of_clean_state): Set it before -fdump-final-insns=
3776 dumping, clear afterwards.
3777 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3778 MEM_ALIAS_SET on MEMs.
3780 2010-03-26 David S. Miller <davem@davemloft.net>
3782 * configure.ac: Fix sparc GOTDATA_OP bug check.
3783 * configure: Rebuild.
3785 2010-03-26 Alan Modra <amodra@gmail.com>
3787 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3789 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3791 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3792 TLS_SECTION_ASM_FLAG.
3794 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3797 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3798 Clear first_function_block_is_cold.
3801 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3802 argument if the argument is truth_value_p.
3804 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3806 * config/rs6000/constraints.md: Update copyright year for my changes.
3809 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3810 used in reg+reg addressing, swap registers.
3812 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3815 * target.h (struct gcc_target): Add code_end hook.
3816 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3818 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3819 * toplev.c (compile_file): Call targetm.asm_out.code_end
3820 hook before unwind info/debug info output.
3821 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3822 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3823 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3824 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3825 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3826 * config/i386/i386.c (ix86_file_end): Renamed to...
3827 (ix86_code_end): ... this. Make static. Don't call
3828 file_end_indicate_exec_stack. Emit unwind info using
3829 final_start_function/final_end_function.
3830 (darwin_x86_file_end): Remove.
3831 (TARGET_ASM_CODE_END): Define.
3832 * config/i386/i386.h (TARGET_ASM_FILE_END,
3833 NEED_INDICATE_EXEC_STACK): Don't define.
3834 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3835 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3836 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3837 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3840 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3841 at the beginning and final_end_function at the end.
3842 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3844 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3846 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3847 and Sun as TLS syntax.
3848 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3849 * configure: Regenerate.
3850 * config.in: Regenerate.
3851 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3852 (default_elf_asm_named_section): Use it.
3853 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3854 (i386_output_dwarf_dtprel): Likewise.
3855 (output_addr_const_extra): Likewise.
3856 (output_pic_addr_const): Lowercase @GOTTPOFF.
3857 (output_addr_const_extra): Likewise.
3858 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3859 (output_addr_const_extra): Likewise.
3860 (output_pic_addr_const): Lowercase @INDNTPOFF.
3861 (output_addr_const_extra): Likewise.
3862 (output_pic_addr_const): Lowercase @NTPOFF.
3863 (output_addr_const_extra): Likewise.
3864 (output_pic_addr_const): Lowercase @TPOFF.
3865 (output_addr_const_extra): Likewise.
3866 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3867 (*tls_global_dynamic_64): Likewise.
3868 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3869 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3871 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3872 (ASM_OUTPUT_TLS_COMMON): Use it.
3873 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3876 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3877 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3878 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3879 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3880 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3881 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3883 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3885 * config/i386/i386.c (override_options): Don't accept
3886 -mtls-dialect=sun any longer.
3887 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3888 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3889 (*tls_local_dynamic_base_32_sun): Likewise.
3890 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3892 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3895 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3896 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3899 * ira.c (adjust_cleared_regs): New function.
3900 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3904 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3906 * expr.c (expand_expr_real): Restore previous
3907 curr_insn_source_location and curr_insn_block after
3908 expand_expr_real_1 call.
3909 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3910 instead of expand_expr_real_1.
3912 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3914 PR rtl-optimization/43413
3915 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3918 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3921 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3922 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3924 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3926 * config/i386/i386.c (ix86_target_string): Add -mfma.
3927 Fix a typo in comment.
3929 2010-03-22 Mike Stump <mikestump@comcast.net>
3932 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3933 Don't overly align based upon packed packed fields.
3935 2010-03-22 Jason Merrill <jason@redhat.com>
3937 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3938 Use () rather than [], and move before the element type.
3940 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3942 * doc/configfiles.texi (Configuration Files): Removed
3943 fixinc/Makefile*, intl/Makefile.*.
3944 * doc/makefile.texi: Fixed markup. Abstract from version
3945 control system used.
3946 (Makefile): Removed obsolete gcc/java/parse.y example.
3947 * doc/sourcebuild.texi: Likewise.
3948 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3949 libgomp, libssp. Removed fastjar.
3950 (Miscellaneous Docs): Clarify location.
3951 Added COPYING3, COPYING3.LIB.
3952 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3954 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3957 * config/i386/i386.c (x86_function_profiler)
3958 [!NO_PROFILE_COUNTERS]: Fix typo.
3959 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3962 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3963 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3965 * doc/sourcebuild.texi (Test Directives): Split into six
3966 subsections, with most of the current text in new subsections
3967 Directives, Selectors, and Final Actions.
3968 (Directives): Split list of test directives into multiple
3970 (Selectors): Describe use and syntax of selectors.
3971 (Effective-Target Keywords): Describe all existing keywords.
3972 (Add Options): Describe features for dg-add-options.
3973 (Require Support): Describe variants of dg-require-support.
3974 (Final Actions): Describe commands to use in dg-final.
3976 2010-03-22 Michael Matz <matz@suse.de>
3979 * recog.c (validate_replace_rtx_group): Replace also in
3980 REG_EQUAL and REG_EQUIV notes.
3982 2010-03-22 Richard Guenther <rguenther@suse.de>
3984 PR tree-optimization/43390
3985 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3986 sure vector extracts are type correct.
3988 2010-03-22 Richard Guenther <rguenther@suse.de>
3991 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3992 x * sqrt (x) even when optimizing for size if the target
3993 has native support for sqrt.
3995 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3997 * varasm.c (make_decl_rtl_for_debug): Also clear
3998 flag_mudflap for the duration of make_decl_rtl call.
4001 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4002 locs from preserved VALUEs.
4004 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4007 * pa.md (movmemsi): Set align to one if zero.
4008 (movmemdi): Likewise.
4010 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4013 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4014 with their corresponding prologue pushes.
4016 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4019 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4020 at the begining or end.
4021 (spu_expand_epilogue): Likewise.
4023 2010-03-20 Richard Guenther <rguenther@suse.de>
4025 PR rtl-optimization/43438
4026 * combine.c (make_extraction): Properly zero-/sign-extend an
4027 extraction of the low part of a CONST_INT. Also handle
4030 2010-03-19 Mike Stump <mikestump@comcast.net>
4032 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4033 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4034 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4036 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4039 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4042 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4044 PR rtl-optimization/42258
4045 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4046 use that may match DEF.
4049 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4050 the cost of loading the constant rather than assuming
4052 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4053 outer code is AND, do the same tests as the andsi3 expander and
4054 return COSTS_N_INSNS (1) if and is cheap.
4056 * optabs.c (avoid_expensive_constant): Fix formatting.
4058 2010-03-19 Michael Matz <matz@suse.de>
4061 * attribs.c (decl_attributes): When rebuilding a function pointer
4062 type use the same qualifiers as the original pointer type.
4064 2010-03-19 Martin Jambor <mjambor@suse.cz>
4066 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4067 and is_gimple_ip_invariant_address.
4069 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4072 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4074 * config/arm/arm.c (arm_override_options): Turn off
4075 flag_dwarf2_cfi_asm for AAPCS variants.
4077 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4080 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4081 Use PRE_MODIFY instead of PRE_DEC.
4082 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4083 (vfp_emit_fstmd): Likewise.
4085 2010-03-19 Michael Matz <matz@suse.de>
4088 * builtins.c (expand_builtin_interclass_mathfn,
4089 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4092 2010-03-19 Richard Guenther <rguenther@suse.de>
4094 PR tree-optimization/43415
4095 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4096 (phi_translate_1): ... this.
4097 (phi_translate): Move all caching here. Cache all NARY
4098 and REFERENCE translations.
4100 2010-03-19 David S. Miller <davem@davemloft.net>
4102 With help from Eric Botcazou.
4103 * config/sparc/sparc.c: Include dwarf2out.h.
4104 (emit_pic_helper): Delete.
4105 (pic_helper_symbol_name): Delete.
4106 (pic_helper_emitted_p): Delete.
4107 (pic_helper_needed): New.
4108 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4109 (get_pc_thunk_name): New.
4110 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4111 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4112 Set pic_helper_needed to true. Don't call emit_pic_helper.
4113 (sparc_expand_prologue): Update load_pic_register call.
4114 (sparc_output_mi_thunk): Likewise.
4115 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4116 thunk if possible. Output CFI information as needed.
4118 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4119 Jack Howarth <howarth@bromo.med.uc.edu>
4122 * config/i386/i386.h: Fix ABI on darwin x86-32.
4124 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4126 * tree.h: Declare make_decl_rtl_for_debug.
4127 * varasm.c (make_decl_rtl_for_debug): New.
4128 * dwarf2out.c (rtl_for_decl_location): Call it.
4129 * cfgexpand.c (expand_debug_expr): Call it.
4131 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4134 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4138 * var-tracking.c (vt_init_cfa_base): Do nothing if
4139 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4141 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4144 * var-tracking.c (canonicalize_vars_star): New.
4145 (dataflow_post_merge_adjust): Use it.
4147 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4150 * var-tracking.c (non_suitable_const): New function.
4151 (add_uses): For DEBUG_INSNs with constants, don't record any
4152 value, instead just the constant value itself.
4153 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4154 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4155 (emit_notes_in_bb): Likewise.
4156 (emit_note_insn_var_location): For onepart variables if
4157 cur_loc is a VOIDmode constant, use DECL_MODE.
4159 2010-03-18 Martin Jambor <mjambor@suse.cz>
4162 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4163 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4164 all non-clones. Moved call redirection...
4165 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4166 (cgraph_materialize_all_clones): Dispose of all
4167 combined_args_to_skip bitmaps.
4168 (verify_cgraph_node): Do not check for edges pointing to wrong
4169 nodes in inline clones.
4170 * tree-inline.c (copy_bb): Call
4171 cgraph_redirect_edge_call_stmt_to_callee.
4172 * ipa.c (cgraph_remove_unreachable_nodes): Call
4173 cgraph_node_remove_callees even when there are used clones.
4175 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4177 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4179 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4182 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4185 2010-03-18 Michael Matz <matz@suse.de>
4188 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4189 into sqrt(x) if we need to preserve signed zeros.
4191 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4192 Eric Botcazou <ebotcazou@adacore.com>
4194 PR rtl-optimization/43360
4195 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4196 note if we don't know its invariant status.
4198 2010-03-18 Michael Matz <matz@suse.de>
4200 PR tree-optimization/43402
4201 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4202 PHI chains of ssa names registered for update.
4204 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4207 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4208 non-offsettable and pre_modify update addressing.
4209 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4210 and "2" alternatives "#".
4211 (*movdd_softfloat32): Make all alternatives "#";
4212 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4213 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4214 (*movdf_softfloat32): Make all alternatives "#";
4215 (movdi): Use the new DIFD mode iterator to create a common splitter
4216 for movdi, movdf and movdd patterns.
4218 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4220 * common.opt (dumpdir): Remove redundant tab.
4222 2010-03-17 Martin Jambor <mjambor@suse.cz>
4224 PR tree-optimization/43347
4225 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4226 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4228 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4230 PR rtl-optimization/42216
4231 * regrename.c (create_new_chain): New function, broken out from...
4232 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4233 appending a use to an empty chain.
4234 (build_def_use): Remove previous changes that convert OP_INOUT to
4235 OP_OUT operands; instead detect the case where an OP_INOUT operand
4236 uses a previously untracked register and create an empty chain for it.
4238 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4240 * doc/extend.texi (Function Attributes): Rewrite unfinished
4241 sentence in ms_abi documentation.
4243 2010-03-17 Alan Modra <amodra@gmail.com>
4245 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4246 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4247 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4248 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4250 2010-03-16 Richard Henderson <rth@redhat.com>
4253 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4254 (lower_try_finally): Save and restore eh_seq around the expansion
4257 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4259 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4260 statements before splitting block.
4262 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4264 * doc/sourcebuild.texi (Testsuites): Fix markup.
4265 Use pathnames relative to gcc/testsuite.
4266 (Test Directives): Move description of how timeout is determined.
4267 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4268 (C Tests): Correct gcc.misc-tests directory.
4269 Framework tests now live in gcc.test-framework.
4271 2010-03-16 Richard Guenther <rguenther@suse.de>
4274 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4275 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4277 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4278 Alexandre Oliva <aoliva@redhat.com>
4280 PR tree-optimization/42917
4281 * lambda-code.c (remove_iv): Skip debug statements.
4282 (lambda_loopnest_to_gcc_loopnest): Likewise.
4283 (not_interesting_stmt): Debug statements are not interesting.
4285 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4289 * cselib.c (cselib_preserve_constants,
4290 cfa_base_preserved_val): New static variables.
4291 (preserve_only_constants): New function.
4292 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4293 clear its REG_VALUES. If cselib_preserve_constants, don't
4294 empty the whole hash table, but preserve there VALUEs with constants,
4295 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4296 (cselib_preserve_cfa_base_value): New function.
4297 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4298 (cselib_init): Change argument to int bitfield. Set
4299 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4301 (cselib_finish): Clear cselib_preserve_constants and
4302 cfa_base_preserved_val.
4303 * cselib.h (enum cselib_record_what): New enum.
4304 (cselib_init): Change argument to int.
4305 (cselib_preserve_cfa_base_value): New prototype.
4306 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4307 * dse.c (dse_step1): Likewise.
4308 * cfgcleanup.c (thread_jump): Likewise.
4309 * sched-deps.c (sched_analyze): Likewise.
4310 * gcse.c (local_cprop_pass): Likewise.
4311 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4312 If FN is non-NULL, call the callback always and whenever it returns
4313 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4314 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4315 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4316 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4317 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4318 * var-tracking.c: Include recog.h.
4319 (bb_stack_adjust_offset): Remove.
4320 (vt_stack_adjustments): Don't call it, instead just gather the
4321 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4322 (adjust_stack_reference): Remove.
4323 (compute_cfa_pointer): New function.
4324 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4325 (struct adjust_mem_data): New type.
4326 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4328 (get_address_mode): New function.
4329 (replace_expr_with_values): Use it.
4330 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4331 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4332 (adjust_sets): Remove.
4333 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4334 Use get_address_mode.
4335 (get_adjusted_src): Remove.
4336 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4337 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4338 (add_with_sets): Don't call adjust_sets.
4339 (fp_setter, vt_init_cfa_base): New functions.
4340 (vt_initialize): Change return type to bool. Move most of pool etc.
4341 initialization to the beginning of the function from end. Pass
4342 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4343 If !frame_pointer_needed, call vt_stack_adjustment before mos
4344 vector is filled, call vt_init_cfa_base if argp/framep has been
4345 eliminated to sp. If frame_pointer_needed and argp/framep has
4346 been eliminated to hard frame pointer, set
4347 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4348 encountering fp setter in the prologue. For MO_ADJUST, call
4349 log_op_type before pusing the op into mos vector, not afterwards.
4350 Call adjust_insn before cselib_process_insn/add_with_sets,
4351 call cancel_changes (0) afterwards.
4352 (variable_tracking_main_1): Adjust for vt_initialize calling
4353 vt_stack_adjustments and returning whether it succeeded or not.
4355 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4357 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4360 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4362 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4364 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4365 drap_reg has not been set.
4367 2010-03-15 Michael Matz <matz@suse.de>
4370 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4371 use it to expand block copies.
4372 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4373 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4374 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4376 2010-03-15 Richard Guenther <rguenther@suse.de>
4378 PR tree-optimization/43367
4379 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4382 2010-03-15 Richard Guenther <rguenther@suse.de>
4384 PR tree-optimization/43317
4385 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4387 2010-03-15 Martin Jambor <mjambor@suse.cz>
4389 PR tree-optimization/43141
4390 * tree-sra.c (create_abstract_origin): New function.
4391 (modify_function): Call create_abstract_origin.
4393 2010-03-15 Chris Demetriou <cgd@google.com>
4395 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4398 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4401 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4402 call insert_out_of_ssa_copy for default definitions.
4404 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4406 * graphite-clast-to-gimple.c (my_long_long): Defined.
4407 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4408 * graphite-sese-to-poly.c (my_long_long): Defined.
4409 (scop_ivs_can_be_represented): Use it.
4411 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4413 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4414 graphite-max-bbs-per-function, and loop-block-tile-size.
4415 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4417 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4419 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4421 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4422 forward declaration.
4423 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4424 (add_upper_bounds_from_estimated_nit): New.
4425 (build_loop_iteration_domains): Use it.
4427 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4429 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4431 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4434 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4435 should be an INTEGER_CST. Also handle CASE_CONVERT.
4437 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4439 * graphite.c (graphite_initialize): To bound the number of bbs per
4440 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4441 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4442 * doc/invoke.texi: Document it.
4444 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4446 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4447 * graphite-sese-to-poly.h (build_poly_scop): Same.
4449 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4451 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4452 the number of parameters in the scop. Use as an upper bound
4453 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4454 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4455 * doc/invoke.texi: Document it.
4457 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4459 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4460 * doc/c-tree.texi: Remove.
4461 * doc/generic.texi: Merge c-tree.texi here.
4462 * doc/gccint.texi (Trees): Remove menu entry.
4463 (c-tree.texi): Remove @include.
4464 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4465 * doc/languages.texi (Reading RTL): Ditto.
4467 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4470 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4472 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4475 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4476 code added to work around reload clobbering CONST insns.
4478 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4480 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4481 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4482 (cselib_preserve_only_values): Remove retain argument, don't
4483 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4484 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4485 * var-tracking.c (micro_operation): Move insn field before union.
4486 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4487 (struct variable_tracking_info_def): Remove n_mos field, change
4488 mos into a vector of micro_operations.
4489 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4490 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4491 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4492 changing into a vector.
4493 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4494 come before all other uops generated by add_stores.
4495 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4497 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4498 a vector. Run just one pass over the bbs instead of separate counting
4499 and computation phase.
4500 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4503 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4504 into *nonlocalized_list vector.
4505 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4506 even if origin is non-NULL.
4507 (gen_variable_die): Likewise.
4508 (process_scope_var): Don't change origin.
4509 (gen_decl_die): Likewise.
4510 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4511 before adding new edges instead of after it, fix moving over
4514 2010-03-11 David S. Miller <davem@davemloft.net>
4516 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4518 * configure: Rebuild.
4520 2010-03-11 Martin Jambor <mjambor@suse.cz>
4522 PR tree-optimization/43257
4523 * tree.c (assign_assembler_name_if_neeeded): New function.
4524 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4526 * tree.h (assign_assembler_name_if_neeeded): Declare.
4527 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4528 the function if needed.
4530 2010-03-11 Chris Demetriou <cgd@google.com>
4532 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4533 include/stdint-gcc.h, and include/stdint.h world-readable.
4535 2010-03-11 Richard Guenther <rguenther@suse.de>
4537 PR tree-optimization/43255
4538 * tree-vrp.c (process_assert_insertions_for): Do not insert
4539 asserts for trivial conditions.
4541 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4543 PR tree-optimization/43280
4544 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4545 generation. Move calculation of size out of the if branch.
4546 (find_bswap): Modify compare number generation.
4548 2010-03-11 Richard Guenther <rguenther@suse.de>
4551 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4552 (input_gimple_stmt): Fixup handled component types during
4553 operand read. Also fix up decls in ADDR_EXPRs.
4555 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4557 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4558 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4560 2010-03-10 Jan Hubicka <jh@suse.cz>
4563 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4564 * varasm.c (get_variable_section): Don't do that here...
4565 (make_decl_rtl): ... and here.
4566 (do_assemble_alias): Produce decl RTL.
4567 (assemble_alias): Likewise.
4569 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4572 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4573 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4575 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4576 (based_loc_descr): Only express drap or vdrap regno based expressions
4577 using DW_OP_fbreg when not optimizing.
4578 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4579 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4580 REG_CFA_SET_VDRAP note.
4582 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4584 PR tree-optimization/43236
4585 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4586 error in calculation of base address in reverse iteration case.
4587 (generate_builtin): Take number of latch executions if the statement
4590 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4593 * tree-eh.c: Include pointer-set.h.
4594 (lower_eh_dispatch): Filter out duplicate case labels and
4595 remove the unneeded edge when the label is unused. Return
4596 true when some edges are removed.
4597 (execute_lower_eh_dispatch): When any lowering resulted in
4598 removing an edge, also delete unreachable blocks.
4600 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4603 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4604 UNSPEC_MACHOPIC_OFFSET.
4606 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4609 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4610 (m68k_delegitimize_address): New function.
4612 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4615 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4618 * var-tracking.c (adjust_sets): New function.
4619 (count_with_sets, add_with_sets): Use it.
4620 (get_adjusted_src): New inline function.
4621 (add_stores): Use it.
4624 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4625 call cselib_dummy_expand_value_rtx_cb instead of
4626 cselib_expand_value_rtx_cb.
4629 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4630 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4631 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4632 and .cfi_endproc around the pic thunks.
4633 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4634 all queued unwind info register saves are saved before the call.
4635 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4636 considered as sp-=4 for unwind info and the pop as sp+=4 which
4637 also clobbers dest, but doesn't actually restore it.
4640 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4641 RTX_FRAME_RELATED_P.
4643 2010-03-09 Jie Zhang <jie@codesourcery.com>
4645 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4646 whitespaces in output template.
4648 2010-03-09 Jie Zhang <jie@codesourcery.com>
4650 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4653 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4655 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4656 builtins.exp in a separate job.
4658 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4660 * graphite-sese-to-poly.c (add_param_constraints): Use
4661 lower_bound_in_type and upper_bound_in_type.
4663 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4665 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4666 instead of unsigned_type_node.
4668 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4669 Reza Yazdani <reza.yazdani@amd.com>
4672 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4673 on pointer type parameters.
4675 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4679 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4680 handle conversions from pointer to integers.
4681 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4682 induction variable, to be able to work with code generated by CLooG.
4683 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4684 (build_poly_scop): Bail out if we cannot codegen a loop.
4686 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4688 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4689 code generation with gloog_error.
4691 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4693 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4694 Call fold_convert on all the returned values.
4695 (expand_scalar_variables_expr): Pass to
4696 expand_scalar_variables_ssa_name the type of the resulting expression.
4698 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4700 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4701 ppl_min_for_le_pointset.
4702 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4703 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4705 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4707 * graphite-dependences.c (map_into_dep_poly): Removed.
4708 (dependence_polyhedron_1): Use combine_context_id_scat.
4710 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4712 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4713 (struct poly_bb): Same.
4714 (combine_context_id_scat): New.
4716 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4719 * sese.c (name_defined_in_loop_p): Return false for default
4722 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4724 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4725 and clean up the logic.
4727 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4729 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4732 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4734 * var-tracking.c (remove_cselib_value_chains): Define only for
4736 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4737 delete_slot_part, emit_notes_for_differences_1): Don't call
4738 remove_cselib_value_chains here.
4739 (set_slot_part, emit_notes_for_differences_2): Don't call
4740 add_cselib_value_chains here.
4741 (preserved_values): New vector.
4742 (preserve_value): New function.
4743 (add_uses, add_stores, vt_add_function_parameters): Use it
4744 instead of cselib_preserve_value.
4745 (changed_values_stack): New vector.
4746 (check_changed_vars_0): New function.
4747 (check_changed_vars_1, check_changed_vars_2): Use it.
4748 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4749 changed_values_stack VALUEs.
4750 (vt_emit_notes): For all preserved_values call
4751 add_cselib_value_chains. If ENABLE_CHECKING call
4752 remove_cselib_value_chains before verifying value_chains is empty.
4753 Initialize and free changed_values_stack.
4754 (vt_initialize): Initialize preserved_values.
4755 (vt_finalize): Free preserved_values.
4757 2010-03-08 Richard Guenther <rguenther@suse.de>
4759 PR tree-optimization/43269
4760 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4763 2010-03-08 Martin Jambor <mjambor@suse.cz>
4765 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4766 (ipa_is_param_called): Removed.
4767 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4768 (ipa_print_node_params): Do not print the called flag.
4769 (ipa_write_node_info): Do not stream the called flag.
4770 (ipa_read_node_info): Likewise.
4772 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4775 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4776 * cselib.c (struct expand_value_data): Add dummy field.
4777 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4779 (cselib_dummy_expand_value_rtx_cb): New function.
4780 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4782 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4783 * var-tracking.c: Include pointer-set.h.
4784 (variable): Change n_var_parts to char from int. Add
4785 cur_loc_changed and in_changed_variables fields.
4786 (variable_canonicalize): Remove.
4787 (shared_var_p): New inline function.
4788 (unshare_variable): Maintain cur_loc_changed and
4789 in_changed_variables fields. If var was in changed_variables,
4790 replace it there with new_var. Just copy cur_loc instead of
4791 resetting it to something else.
4792 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4793 (dataflow_set_union): Don't call variable_canonicalize.
4794 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4795 of their DEBUG_EXPR_TREE_DECLs.
4796 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4797 and in_changed_variables and cur_loc_changed is false.
4798 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4799 and cur_loc_changed. Don't update cur_loc here.
4800 (variable_merge_over_src): Don't call variable_canonicalize.
4801 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4802 removing loc that is equal to cur_loc, clear cur_loc,
4803 set cur_loc_changed and ensure variable_was_changed is called.
4804 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4805 compare pointers in cur_loc check, if it is equal to loc,
4806 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4807 (variable_different_p): Remove compare_current_location argument,
4808 don't compare cur_loc.
4809 (dataflow_set_different_1): Adjust variable_different_p caller.
4810 (variable_was_changed): If dv had some var in changed_variables
4811 already, reset in_changed_variables flag for it and propagate
4812 cur_loc_changed over to the new variable. On empty var
4813 always set cur_loc_changed. Set in_changed_variables on whatever
4814 var is added to changed_variables.
4815 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4816 Use shared_var_p. When removing loc that is equal to cur_loc,
4817 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4818 end, don't set it to something else, just call variable_was_changed.
4819 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4820 loc being removed, clear cur_loc and set cur_loc_changed.
4821 Set cur_loc_changed if all locations have been removed.
4822 (struct expand_loc_callback_data): New type.
4823 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4824 allocated. Always create SUBREGs if simplify_subreg failed.
4825 Prefer to use cur_loc, when that fails and still in
4826 changed_variables (and seen first time) recompute it. Set
4827 cur_loc_changed of variables which had to change cur_loc and
4828 compute elcd->cur_loc_changed if any of the subexpressions used
4829 had to change cur_loc.
4830 (vt_expand_loc): Adjust to pass arguments in
4831 expand_loc_callback_data structure.
4832 (vt_expand_loc_dummy): New function.
4833 (emitted_notes): New variable.
4834 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4835 that weren't used for any other decl in current
4836 emit_notes_for_changes call call vt_expand_loc_dummy to update
4837 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4838 first loc_chain location if NULL before. Always use just
4839 cur_loc instead of first loc_chain location. When cur_loc_changed
4840 is false, when not --enable-checking=rtl just don't emit any note.
4841 When rtl checking, compute the note and assert it is the same
4842 as previous note. Clear cur_loc_changed and in_changed_variables
4843 at the end before removing from changed_variables.
4844 (check_changed_vars_3): New function.
4845 (emit_notes_for_changes): Traverse changed_vars to call
4846 check_changed_vars_3 on each changed var.
4847 (emit_notes_for_differences_1): Clear cur_loc_changed and
4848 in_changed_variables. Recompute cur_loc of new_var.
4849 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4850 (vt_emit_notes): Initialize and destroy emitted_notes.
4852 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4854 PR rtl-optimization/42220
4855 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4856 Use verify_reg_tracked to determine if we should use OP_OUT rather
4858 (build_def_use): If we see an in-out operand for a register that we
4859 know nothing about, treat is an output if possible, fail the block if
4862 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4865 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4868 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4871 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4872 uses of relevant DEFs that are dead outside the loop too.
4874 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4876 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4878 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4880 * var-tracking.c (values_to_unmark): New variable.
4881 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4882 values_to_unmark vector. Moved body to...
4883 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4884 instead queue it into values_to_unmark vector.
4885 (vt_find_locations): Free values_to_unmark vector.
4887 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4889 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4890 (site.exp): Export them when plugins are enabled.
4892 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4895 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4897 (chrec_fold_multiply): Same.
4899 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4902 * c-decl.c (build_compound_literal): Return early if init is
4905 2010-03-04 Martin Jambor <mjambor@suse.cz>
4907 PR tree-optimization/43164
4908 PR tree-optimization/43191
4909 * tree-sra.c (type_consists_of_records_p): Reject records with
4910 zero-size bit-fields at the end.
4912 2010-03-04 Mike Stump <mikestump@comcast.net>
4914 * Makefile.in (TAGS): Remove *.y.
4916 2010-03-04 Richard Guenther <rguenther@suse.de>
4918 PR tree-optimization/40761
4919 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4921 (my_rev_post_order_compute): New function.
4922 (init_pre): Call it.
4924 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4927 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4928 decrease the cost of an IV candidate when the cost is infinite.
4930 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4932 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4933 Use '3DNow!' for the extension of that name, ensure normal space
4935 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4937 2010-03-03 Jeff Law <law@redhat.com>
4939 * PR middle-end/32693
4940 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4941 than gen_rtx_SUBREG.
4942 (extract_bit_field_1): Likewise.
4944 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4946 * doc/sourcebuild.texi (Test directives): Document that arguments
4947 include-opts and exclude-opts are now optional for dg-skip-if,
4948 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4950 2010-03-03 Jason Merrill <jason@redhat.com>
4953 * cgraph.h (varpool_node): Add extra_name field.
4954 * varpool.c (varpool_extra_name_alias): New.
4955 (varpool_assemble_decl): Emit extra name aliases.
4956 (varpool_mark_needed_node): Look past an extra name alias.
4957 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4958 * lto-streamer-in.c (lto_input_tree): Read it.
4959 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4961 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4963 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4964 (sparc*-*-solaris2*): ...this.
4966 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4969 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4970 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4971 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4972 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4975 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4976 fallthrough to default handling, just with want_address 0 instead of 2.
4977 For single element lists, add_AT_loc directly, otherwise create an
4978 artificial variable DIE and stick location list to it.
4981 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4982 (VAL_EXPR_HAS_REVERSE): Define.
4983 (reverse_op): New function.
4984 (add_stores): For reversible operations add an extra MO_VAL_USE.
4986 2010-03-02 Jason Merrill <jason@redhat.com>
4988 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4990 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4992 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4993 (sparc64-*-linux*): Likewise.
4994 (sparc64-*-solaris2*): Include assembler files before linker ones.
4995 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4996 * config/sparc/gas.h: Delete.
4997 * config/sparc/sol2-64.h: Add copyright notice.
4998 * config/sparc/sol2-gas-bi.h: Likewise.
4999 * config/sparc/sol2-gld.h: Likewise.
5000 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5001 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5002 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5003 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5004 (sparc_elf_asm_named_section): Rename into...
5005 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5007 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5009 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5011 2010-03-02 Jeff Law <law@redhat.com>
5014 * reload1.c (rtx_p, substitute_stack): Declare.
5015 (substitute): Record addresses of changed rtxs.
5016 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5017 Restore the original rtx when complete.
5018 (reload): Free subsitute_stack when complete.
5020 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5022 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5023 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5025 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5026 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5027 Torture Tests): Change from subsection to section.
5029 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5030 Steven Bosscher <steven@gcc.gnu.org>
5032 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5035 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5038 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5039 the assignment from the new induction variable to the assignment
5040 of the value from the original loop PHI function.
5042 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5043 Daniel Jacobowitz <dan@codesourcery.com>
5045 * doc/sourcebuild.texi (Test directives): Clarify options to
5048 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5050 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5051 Disable cfi directives unless GCC and gas agree on using read-only
5052 .eh_frame sections for 64-bit.
5053 * configure: Regenerate.
5055 2010-03-01 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/43220
5058 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5059 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5061 2010-03-01 Richard Guenther <rguenther@suse.de>
5062 Martin Jambor <mjambor@suse.cz>
5065 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5066 gimplified parameters.
5068 2010-03-01 Christian Bruel <christian.bruel@st.com>
5070 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5072 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5074 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5076 2010-03-01 Richard Guenther <rguenther@suse.de>
5079 * expr.c (expand_assignment): Use the alias-oracle to tell
5080 if the rhs aliases the result decl.
5082 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5085 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5086 to sol_gt_pch_get_address.
5087 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5088 64-bit, SPARC and x86.
5089 (sol_gt_pch_get_address): New function.
5091 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5093 * toplev.h (inform_n, error_n): Declare.
5094 * diagnostic.c (inform_n, error_n): New function.
5096 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5098 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5099 has no rtl yet when processing local_decls, queue it and recheck
5100 if deferred stack allocation hasn't assigned it rtl.
5102 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5104 * config/sh/sh.c (unspec_bbr_uid): New.
5105 (gen_block_redirect): Use it instead of INSN_UID.
5106 (gen_far_branch): Likewise.
5108 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5110 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5111 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5113 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5115 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5116 (Warning Options): -Wno-conversion-null is valid for
5117 Objective-C++ as well.
5118 * doc/tm.texi (Named Address Spaces): Likewise.
5119 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5120 * doc/tree-ssa.texi (Tree SSA): Likewise.
5122 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5125 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5126 by default. Don't set the default arch for
5127 i[34567]86-*-darwin*|x86_64-*-darwin*.
5129 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5132 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5133 default. Set the default 32bit/64bit archs with $with_arch
5134 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5136 2010-02-27 Richard Guenther <rguenther@suse.de>
5138 PR tree-optimization/43186
5139 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5140 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5141 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5142 unroller iterations.
5144 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5146 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5147 required and i[34567]86-*-* targets don't support 64bit ISA.
5149 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5152 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5155 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5157 * config.gcc: Set the default arch at least to Prescott for
5158 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5159 if SSE math is enabled.
5161 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5163 * diagnostic.c (diagnostic_initialize): Update.
5164 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5166 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5167 (diagnostic_inhibit_notes): New.
5168 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5170 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5173 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5174 * doc/standards.texi: Likewise.
5175 * doc/extend.texi: Likewise.
5176 * doc/trouble.texi: Likewise.
5177 * doc/cppopts.texi: Likewise.
5178 * doc/install.texi: Likewise.
5179 * c.opt (std=c90,std=gnu90): New options.
5180 * c-opts.c (c_common_handle_option): Handle them.
5182 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5185 * c-decl.c (undeclared_variable): Use an informative note.
5187 2010-02-26 Richard Guenther <rguenther@suse.de>
5189 PR tree-optimization/43186
5190 * gimple.h (gimple_fold): Remove.
5191 * gimple.c (gimple_fold): Remove. Inline into single user ...
5192 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5193 Try harder for conditions.
5195 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5198 * function.c (used_types_insert): Don't skip through named pointer
5199 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5200 and it is different from the main variant's type.
5202 2010-02-26 Nick Clifton <nickc@redhat.com>
5204 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5206 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5208 * config.gcc: Support --with-fpmath=sse for x86.
5210 * config/i386/ssemath.h: New.
5212 * doc/install.texi (--with-fpmath=sse): Documented.
5214 2010-02-26 Richard Guenther <rguenther@suse.de>
5216 PR tree-optimization/43188
5217 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5218 vector types of over-aligned element type.
5220 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5223 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5224 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5226 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5228 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5230 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5232 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5233 * var-tracking.c: Include diagnostic.h.
5234 (debug_dv): New function.
5235 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5238 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5239 (add_value_chain, add_value_chains, remove_value_chain,
5240 remove_value_chains): Handle DEBUG_EXPRs.
5241 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5244 * regcprop.c (struct queued_debug_insn_change): New type.
5245 (struct value_data_entry): Add debug_insn_changes field.
5246 (struct value_data): Add n_debug_insn_changes field.
5247 (debug_insn_changes_pool): New variable.
5248 (free_debug_insn_changes, apply_debug_insn_changes,
5249 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5250 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5251 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5253 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5255 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5256 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5257 changes, call cprop_find_used_regs via note_stores.
5258 (copyprop_hardreg_forward): When copying vd from predecessor
5259 which has any queued DEBUG_INSN changes, make sure the pointers are
5260 cleared. At the end call df_analyze and then if there are any
5261 DEBUG_INSN changes queued at the end of some basic block for still
5262 live registers, apply them.
5263 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5265 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5267 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5270 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5272 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5273 targets. Set the default with_cpu/with_arch from arch/cpu.
5274 Allow x86-64 and native for with_cpu/with_arch.
5276 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5278 * ebitmap.c: Change calls to verify_popcount with calls to
5279 sbitmap_verify_popcount.
5280 (ebitmap_clear_bit): Fixed map->cacheindex test and
5281 map>cache update when bit clearing results in an empty
5284 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5287 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5288 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5289 and support both V2DF and V2DI modes.
5290 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5291 support both V2DF and V2DI modes.
5292 (general): Delete trailing whitespace from a few patterns.
5294 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5295 V2DF/V2DI interleave high/low builtins.
5297 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5300 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5301 interleave high/low functions.
5303 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5305 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5306 #pragma extern_prefix.
5308 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5311 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5312 BLKmode, assert op0 is a MEM and just adjust its mode.
5315 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5316 if bitpos isn't multiple of mode's bitsize.
5318 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5320 * c.opt (-ftemplate-depth=): New.
5321 (-ftemplate-depth-): Deprecate.
5322 * optc-gen.awk: Handle -ftemplate-depth=.
5323 * opth-gen.awk: Likewise.
5324 * c-opts.c (c_common_handle_option): Likewise.
5325 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5327 2010-02-24 Jason Merrill <jason@redhat.com>
5329 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5331 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5333 * cfg.c (alloc_aux_for_block): Remove inline.
5334 (alloc_aux_for_edge): Likewise.
5336 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5338 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5340 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5342 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5343 * config/i386/sol2-gas.h: New file.
5344 * config.gcc (i[34567]86-*-solaris2*): Use it.
5346 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5349 * c-typeck.c (ep_convert_and_check): New.
5350 (build_conditional_expr): Use it.
5351 (build_binary_op): Likewise.
5353 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5355 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5358 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5359 bounds even for -O+.
5360 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5361 expr needs to have DECL_NAME set.
5363 2010-02-24 Nick Clifton <nickc@redhat.com>
5365 * config/mep/mep.c: Include gimple.h.
5366 (mep_function_uses_sp): Delete unused function.
5367 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5368 parameters. Use unsigned integers to count args. Return a
5369 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5371 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5374 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5375 greater or equal to nelt instead of 2 * nelt.
5376 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5379 2010-02-23 Jason Merrill <jason@redhat.com>
5382 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5383 in cfun->local_decls even if they have register types.
5386 * stor-layout.c (place_field): Don't warn about unnecessary
5387 DECL_PACKED if the type is packed.
5389 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5392 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5393 GOTOFF relocs, even when the base reg isn't pic pointer.
5395 2010-02-23 Michael Matz <matz@suse.de>
5398 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5399 (expand_gimple_basic_block): Generate and use debug temps if there
5400 are debug uses left after the last real use of TERed ssa names.
5401 Unlink debug immediate uses when they are expanded.
5403 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5406 * config/i386/i386.c (override_options): Reorganise to provide
5407 better error messages.
5409 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5412 * graphite-scop-detection.c (create_single_exit_edge): Move
5413 the call to find_single_exit_edge to....
5414 (create_sese_edges): ...here. Don't handle multiple edges
5415 exiting the function.
5416 (build_graphite_scops): Don't handle multiple edges
5417 exiting the function.
5419 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5422 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5423 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5425 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5428 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5430 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5433 * c-typeck.c (convert_arguments): Print declaration location.
5434 * c-common.c (validate_nargs): Rename as
5435 builtin_function_validate_nargs.
5436 (check_builtin_function_arguments): Update.
5438 2010-02-22 Richard Guenther <rguenther@suse.de>
5441 * tree-inline.c (declare_return_variable): Use the type of
5442 the call stmt lhs if available.
5444 2010-02-22 Duncan Sands <baldrick@free.fr>
5446 * passes.c (register_pass): Always consider all pass lists when
5447 ref_pass_instance_number is zero.
5449 2010-02-22 Richard Guenther <rguenther@suse.de>
5451 PR tree-optimization/42749
5452 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5453 parameter. Do arithmetic in the original type.
5454 (update_accumulator_with_ops): Likewise.
5455 (adjust_accumulator_values): Adjust.
5457 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5459 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5460 (QI to BLKmode splitter): New splitter.
5462 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5464 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5465 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5467 2010-02-22 Richard Guenther <rguenther@suse.de>
5469 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5471 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5473 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5474 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5475 ($(T)crti.o, $(T)crtn.o): Remove rules.
5477 2010-02-21 Tobias Burnus <burnus@net-b.de>
5480 * doc/invoke.texi (-fassociative-math): Document that this
5481 option is automatically enabled for Fortran.
5483 2010-02-20 David S. Miller <davem@davemloft.net>
5485 * configure.ac: Test if linker and assembler properly support
5486 GOTDATA_OP relocations.
5487 * configure: Rebuild.
5488 * config.in: Likewise.
5489 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5490 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5491 (movsi_high_pic): Likewise.
5492 (movdi_lo_sum_pic): Likewise.
5493 (movdi_high_pic): Likewise.
5494 (movsi_pic_gotdata_op): New pattern.
5495 (movdi_pic_gotdata_op): Likewise.
5496 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5497 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5499 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5502 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5503 attribute to ssemul.
5504 (xop_mulv2div2di3_high): Ditto.
5506 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5509 * c.opt (Wconversion-null): New option.
5510 * doc/invoke.texi (Wconversion-null): Document.
5512 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5514 * common.opt (Wlarger-than-): Add Undocumented.
5516 2010-02-19 Mike Stump <mikestump@comcast.net>
5518 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5520 2010-02-19 Jason Merrill <jason@redhat.com>
5523 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5524 * configure: Likewise.
5526 2010-02-20 Alan Modra <amodra@gmail.com>
5529 * cgraph.h (cgraph_make_decl_local): Declare.
5530 * cgraph.c (cgraph_make_decl_local): New function.
5531 (cgraph_make_node_local): Use it.
5532 * cgraphunit.c (cgraph_function_versioning): Likewise.
5533 * ipa.c (function_and_variable_visibility): Likewise.
5535 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5538 * except.c (sjlj_emit_function_enter): Don't call
5539 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5541 * rtl.h (add_reg_br_prob_note): Remove prototype.
5543 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5546 * c-common.c (conversion_warning): Remove widening conversions
5547 before checking the conversion of integers to reals.
5549 2010-02-19 Mike Stump <mikestump@comcast.net>
5552 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5555 * cgraphunit.c (process_function_and_variable_attributes): Check
5556 DECL_PRESERVE_P instead of looking up attribute "used".
5557 * ipa-pure-const.c (check_decl): Likewise.
5558 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5559 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5560 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5561 instead of attribute "used".
5562 * config/sol2-c.c (solaris_pragma_init): Likewise.
5563 (solaris_pragma_fini): Likewise.
5565 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5567 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5568 Use XCNEW instead of xcalloc.
5569 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5570 XNEW instead of xmalloc.
5571 (get_fields): Use XNEWVEC instead of xmalloc.
5574 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5575 populate vars array.
5576 (create_new_general_access): For debug stmts just reset value.
5577 (get_stmt_accesses): For accesses within debug stmts just record them
5578 using add_access_to_acc_sites instead of preventing the peeling or
5579 counting them as accesses.
5582 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5584 2010-02-19 Richard Guenther <rguenther@suse.de>
5586 PR tree-optimization/42916
5587 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5590 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5592 * configure.ac: Replace all uses of changequote in macro arguments
5593 with proper quoting.
5595 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5598 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5600 2010-02-19 Richard Guenther <rguenther@suse.de>
5602 PR tree-optimization/42944
5603 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5604 test for aliasing with errno.
5606 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5609 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5610 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5611 * dojump.c: Include output.h.
5612 (inv): New inline function.
5613 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5614 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5615 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5616 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5617 argument, pass it down to other calls.
5618 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5619 add REG_BR_PROB note to the conditional jump.
5620 * cfgexpand.c (add_reg_br_prob_note): Removed.
5621 (expand_gimple_cond): Don't call it, add the probability
5622 as last argument to jumpif_1/jumpifnot_1.
5623 * Makefile.in (dojump.o): Depend on output.h.
5624 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5626 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5627 * stmt.c (do_jump_if_equal): Likewise.
5628 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5629 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5630 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5632 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5633 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5634 jumpifnot_1 callers.
5635 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5637 (store_expr): Adjust jumpifnot caller.
5638 (store_constructor): Adjust jumpif caller.
5641 * gimplify.c (gimple_boolify): For __builtin_expect call
5642 gimple_boolify also on its first argument.
5644 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5646 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5648 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5649 * configure: Regenerated.
5651 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5653 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5654 lang_hooks.types_compatible_p instead of comptypes.
5656 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5658 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5659 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5660 if __prefer_thumb__ is defined.
5662 2010-02-18 Martin Jambor <mjambor@suse.cz>
5664 PR tree-optimization/43066
5665 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5666 array with zero-sized element type.
5668 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5670 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5671 rtx, allocate struct var_loc_node here and return it to the
5672 caller, and only if it is actually needed.
5673 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5674 move it earlier and return immediately if it returns NULL.
5676 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5678 * config/sparc/gas.h: New file. Restore
5679 TARGET_ASM_NAMED_SECTION to its ELF default.
5680 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5682 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5683 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5684 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5685 after sparc/sysv4.h.
5687 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5689 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5691 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5693 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5694 patterns from predicated pattern.
5696 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5699 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5700 for insn mnemonic suffix.
5702 2010-02-17 Richard Guenther <rguenther@suse.de>
5704 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5707 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5710 * caller-save.c (save_call_clobbered_regs): If BB ends with
5711 a DEBUG_INSN, move any notes in between last real insn and the last
5712 DEBUG_INSN after the last DEBUG_INSN.
5714 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5716 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5717 Fix return type. Fix argument type. Explain meaning of return value.
5719 2010-02-16 Richard Guenther <rguenther@suse.de>
5721 PR tree-optimization/41043
5722 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5723 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5725 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5727 2010-02-16 Ira Rosen <irar@il.ibm.com>
5729 PR tree-optimization/43074
5730 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5731 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5732 vectorizable cycles in hybrid SLP check.
5733 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5735 2010-02-16 Richard Guenther <rguenther@suse.de>
5737 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5738 (true_dependence): If memrefs_conflict_p computes must-alias
5739 trust it. Move TBAA check after offset-based disambiguation.
5740 (canon_true_dependence): Likewise.
5742 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5744 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5745 * doc/invoke.texi: Document it.
5746 * var-tracking.c: Include toplev.h and params.h.
5747 (vt_find_locations): Return bool indicating success. Compute
5748 hash sizes unconditionally. Check new parameter, report.
5749 (variable_tracking_main_1): Check vt_find_locations results and
5750 retry. Renamed from...
5751 (variable_tracking_main): ... this. New wrapper to preserve
5752 flag_var_tracking_assignments.
5753 * Makefile.in (var-tracking.o): Adjust dependencies.
5755 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5756 Jakub Jelinek <jakub@redhat.com>
5759 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5760 if weak_import attribute is present.
5761 * config/darwin.c (machopic_select_section): Likewise.
5763 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5765 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5766 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5767 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5768 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5770 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5773 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5776 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5777 Rewrite text to refer to the names.
5779 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5781 * config/i386/i386-builtin-types.def
5782 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5783 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5784 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5785 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5786 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5787 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5788 IX86_BUILTIN_VPERMIL2PS256.
5789 (MULTI_ARG_4_DF2_DI_I): Defined.
5790 (MULTI_ARG_4_DF2_DI_I1): Defined.
5791 (MULTI_ARG_4_SF2_SI_I): Defined.
5792 (MULTI_ARG_4_SF2_SI_I1): Defined.
5793 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5794 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5795 __builtin_ia32_vpermil2ps256.
5796 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5797 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5798 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5799 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5800 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5801 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5802 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5803 CODE_FOR_xop_vpermil2v8sf3.
5804 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5805 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5806 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5807 (_mm256_permute2_pd): New.
5808 (_mm_permute2_ps): New.
5809 (_mm256_permute2_ps): New.
5811 2010-02-15 Nick Clifton <nickc@redhat.com>
5813 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5814 boolean parameters. Use emit_jump_insn when emitting a pop
5815 instruction containing a return insn.
5816 (push): Use 'true' rather than '1' as second parameter to F.
5817 (h8300_expand_prologue): Likewise.
5818 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5819 (h8300_expand_epilogue): Likewise.
5821 2010-02-15 Richard Guenther <rguenther@suse.de>
5824 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5827 2010-02-15 Nick Clifton <nickc@redhat.com>
5829 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5832 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5834 * intl.c (fake_ngettext): New function.
5835 * intl.h (fake_ngettext): Declare.
5836 (ngettext): Define macro.
5837 * collect2.c (notice_translated): New function.
5838 (main): Use notice_translated and ngettext.
5839 * collect2.h (notice_translated): Declare.
5841 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5843 * reorg.c (delete_computation): Comment fixes.
5844 * caller-save.c (setup_save_areas): Idem.
5845 * sel-sched-dump.c (dump_lv_set): Idem.
5848 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5850 * config/s390/s390.c (s390_sched_init): New function.
5851 (TARGET_SCHED_INIT): Target hook defined.
5853 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5854 Jack Howarth <howarth@bromo.med.uc.edu>
5855 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5858 Partial revert of unintended change in fix for PR41605.
5859 * config/darwin.h: Fix typo.
5860 * config/darwin9.h: Same.
5862 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5864 * c-pch.c (pch_init): Clear v.
5866 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5869 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5870 graphite_can_represent_init for MULT_EXPR.
5872 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5876 * graphite-sese-to-poly.c (remove_phi): New.
5877 (translate_scalar_reduction_to_array): Call remove_phi.
5879 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5882 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5883 * graphite-clast-to-gimple.h (gloog): Update declaration.
5884 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5885 * graphite-poly.h (struct poly_bb): Add missing comments.
5886 (struct scop): Add poly_scop_p field.
5888 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5889 * graphite.c (graphite_transform_loops): Build the polyhedral
5890 representation for each scop before code generation.
5891 * sese.c (rename_variables_in_operand): Removed.
5892 (rename_variables_in_expr): Return the renamed expression.
5893 (rename_sese_parameters): New.
5894 * sese.h (rename_sese_parameters): Declared.
5896 2010-02-11 Richard Guenther <rguenther@suse.de>
5898 PR tree-optimization/42998
5899 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5900 POINTER_PLUS_EXPR properly.
5902 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5903 Changpeng Fang <changpeng.fang@amd.com>
5906 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5907 the cost of an IV candidate when the IV is used in a test against zero.
5909 * gcc.dg/tree-ssa/ivopts-3.c: New.
5911 2010-02-11 Richard Guenther <rguenther@suse.de>
5914 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5915 pointer-vs-decl case by swapping refs. Handle some cases
5916 of pointer-vs-decl disambiguations more conservatively.
5917 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5918 to false after expanding.
5920 2010-02-11 Richard Guenther <rguenther@suse.de>
5923 * gcc.c (process_command): Handle LTO file@offset case more
5926 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5928 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5929 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5931 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5933 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5934 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5935 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5936 Optimize eq/ne comparisons when both arguments are known to be
5938 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5939 Don't mask operands unnecessarily if they are known to be already
5942 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5944 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5947 2010-02-10 Richard Guenther <rguenther@suse.de>
5949 PR tree-optimization/43017
5950 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5951 for wrapping signed arithmetic.
5953 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5956 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5957 if no debug info should be emitted for it.
5959 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5961 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5962 note when flag_exceptions is set.
5964 2010-02-10 Duncan Sands <baldrick@free.fr>
5966 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5968 2010-02-10 Richard Guenther <rguenther@suse.de>
5971 * tree.c (get_unwidened): Handle constants.
5972 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5974 2010-02-10 Martin Jambor <mjambor@suse.cz>
5977 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5978 check for variable argument counts independently.
5980 2010-02-10 Christian Bruel <christian.bruel@st.com>
5983 * config/sh/sh.c (find_barrier): Increase length for non delayed
5984 conditional branches.
5986 2010-02-10 Christian Bruel <christian.bruel@st.com>
5988 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5990 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5992 * builtins.c (set_builtin_user_assembler_name): Also handle
5993 ffs if int is smaller than word.
5995 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5998 * ira-conflicts.c (get_dup): Remove.
5999 (process_reg_shuffles): Add new parameter. Use it as an
6000 additional guard for copy generation.
6001 (add_insn_allocno_copies): Rewrite.
6003 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6005 * common.opt (fsched2-use-traces): Preserved for backward
6007 * doc/invoke.texi: Remove the documentation about option
6008 -fsched2-use-traces.
6009 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6010 flag_sched2_use_traces.
6011 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6012 the backward compatibility flag section.
6014 2010-02-09 Richard Guenther <rguenther@suse.de>
6016 PR tree-optimization/43008
6017 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6018 make HEAP variables initialized from global memory if they
6019 are not known builtin functions.
6020 (find_func_aliases): Adjust.
6022 2010-02-09 Richard Guenther <rguenther@suse.de>
6024 PR tree-optimization/43000
6025 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6026 arithmetic manually.
6028 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6030 PR tree-optimization/42931
6031 * tree-loop-linear.c (try_interchange_loops): Don't call
6032 double_int_mul if estimated_loop_iterations failed.
6034 2010-02-08 Martin Jambor <mjambor@suse.cz>
6037 * tree-sra.c (build_accesses_from_assign): Do not mark in
6038 should_scalarize_away_bitmap if stmt has volatile ops.
6039 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6042 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6044 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6046 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6048 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6051 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6054 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6056 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6059 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6060 to unknown_dependence.
6061 (graphite_legal_transform_dr): Handle the unknown_dependence.
6062 (graphite_carried_dependence_level_k): Same.
6064 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6066 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6068 2010-02-07 Richard Guenther <rguenther@suse.de>
6071 * expr.c (get_inner_reference): Always initialize *pbitsize.
6073 2010-02-07 Richard Guenther <rguenther@suse.de>
6076 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6077 new ARRAY_REFs on variable size element or minimal index arrays.
6079 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6080 gimple_fold_indirect_ref.
6082 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6085 * arm.c (arm_override_options): Just return if the user has specified
6086 an invalid fpu name.
6088 2010-02-03 Jason Merrill <jason@redhat.com>
6091 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6092 i386_pe_maybe_record_exported_symbol.
6094 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6097 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6098 (pa_delegitimize_address): New function.
6100 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6102 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6103 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6105 2010-02-05 Richard Guenther <rguenther@suse.de>
6108 * lto-streamer-in.c (get_resolution): Deal with references
6109 to undefined functions.
6111 2010-02-05 Richard Guenther <rguenther@suse.de>
6113 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6114 (fold_const_aggregate_ref): Likewise.
6115 (ccp_fold_stmt): Substitute loads.
6116 (maybe_fold_reference): Verify types before substituting.
6118 (fold_gimple_assign): Unshare properly.
6119 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6121 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6123 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6124 for rs6000_gen_cell_microcode.
6126 2010-02-04 Richard Guenther <rguenther@suse.de>
6128 PR rtl-optimization/42952
6129 * dse.c (const_or_frame_p): Remove MEM handling.
6131 2010-02-04 Nick Clifton <nickc@redhat.com>
6133 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6134 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6135 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6136 (mn10300_asm_output_mi_thunk): New function.
6137 (mn10300_can_output_mu_thunk): New function.
6138 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6139 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6140 (FUNCTION_ARG): Delete incorrect comment.
6142 2010-02-03 Jason Merrill <jason@redhat.com>
6145 * fold-const.c (operand_equal_p): Handle erroneous types.
6147 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6149 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6151 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6153 PR rtl-optimization/42941
6154 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6157 2010-02-03 Jason Merrill <jason@redhat.com>
6160 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6162 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6165 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6166 (cselib_reset_table): Renamed from...
6167 (cselib_reset_table_with_next_value): ... this.
6168 (cselib_get_next_uid): Renamed from...
6169 (cselib_get_next_unknown_value): ... this.
6170 * cselib.c (next_uid): Renamed from...
6171 (next_unknown_value): ... this.
6172 (cselib_clear_table): Adjust.
6173 (cselib_reset_table): Adjust. Renamed from...
6174 (cselib_reset_table_with_next_value): ... this.
6175 (cselib_get_next_uid): Adjust. Renamed from...
6176 (cselib_get_next_unknown_value): ... this.
6177 (get_value_hash): Use hash.
6178 (cselib_hash_rtx): Likewise.
6179 (new_cselib_val): Adjust. Set and dump uid.
6180 (cselib_lookup_mem): Pass next_uid as hash.
6181 (cselib_subst_to_values): Likewise.
6182 (cselib_log_lookup): Dump uid.
6183 (cselib_lookup): Pass next_uid as hash. Adjust.
6184 (cselib_process_insn): Adjust.
6185 (cselib_init): Initialize next_uid.
6186 (cselib_finish): Adjust.
6187 (dump_cselib_table): Likewise.
6188 * dse.c (canon_address): Dump value uid.
6189 * print-rtl.c (print_rtx): Print value uid.
6190 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6192 (dv_uid): New function, sort of renamed from...
6193 (dv_htab_hash): ... this, reimplemented in terms of it and...
6194 (dv_uid2hash): ... this. New.
6195 (variable_htab_eq): Drop excess assertions.
6196 (tie_break_pointers): Removed.
6197 (canon_value_cmp): Compare uids.
6198 (variable_post_merge_New_vals): Print uids.
6199 (vt_add_function_parameters): Adjust.
6200 (vt_initialize): Reset table. Adjust.
6202 2010-02-03 Richard Guenther <rguenther@suse.de>
6204 PR tree-optimization/42944
6205 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6206 (call_may_clobber_ref_p_1): Likewise. Properly handle
6207 malloc and calloc clobbering errno.
6209 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6211 * doc/invoke.texi: Fix name of sched1 dump.
6213 * opts.c (decode_options): Set flag_tree_switch_conversion
6214 only conditionally on optimize >= 2.
6216 * gcse.c: Assorted comment fixes in pass description.
6218 2010-02-03 Anthony Green <green@moxielogic.com>
6220 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6221 nop padding in order to maintain alignment of storage location of
6222 target function address.
6223 (moxie_trampoline_init): Store target function address at newly
6225 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6227 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6229 2010-02-03 Richard Guenther <rguenther@suse.de>
6232 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6234 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6236 * config.gcc: Reenable check for obsolete targets.
6237 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6238 mips-sgi-irix6.[0-4]*.
6240 2010-02-02 Nick Clifton <nickc@redhat.com>
6242 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6243 constant size of 4 as being the same as 0.
6244 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6245 can take values in the range 0..4.
6247 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6250 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6251 as _darwin10_Unwind_FindEnclosingFunction().
6252 * libgcc-libsystem.ver: New.
6254 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6257 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6258 implicitly set registers.
6260 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6262 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6263 (arm_override_options): Allow automatic selection of the thread
6264 pointer register if thumb2.
6265 (legitimize_pic_address): Improve code sequences for Thumb2.
6266 (arm_call_tls_get_addr): Likewise.
6267 (legitimize_tls_address): Likewise.
6268 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6269 (pic_load_addr_32bit): ... this. New named pattern.
6270 * thumb2.md (pic_load_addr_thumb2): Delete.
6271 (pic_load_dot_plus_four): Delete.
6272 (tls_load_dot_plus_four): New named pattern.
6274 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6277 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6278 Document fix for TLS bug.
6280 2010-01-31 Richard Guenther <rguenther@suse.de>
6282 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6283 conservatively correct.
6285 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6289 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6291 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6293 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6295 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6297 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6299 * config.gcc: Adjust order of makefile fragments for mingw targets.
6301 2010-01-31 Richard Guenther <rguenther@suse.de>
6304 * gimplify.c (gimplify_init_constructor): For volatile LHS
6305 initialize a temporary.
6307 2010-01-31 Matthias Klose <doko@ubuntu.com>
6309 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6311 * configure: Regenerate.
6313 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6315 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6316 the same alias set and their sizes different constantness.
6317 (aliasing_component_refs_p): Revert 2009-10-24 change.
6319 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6321 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6324 2010-01-29 Richard Guenther <rguenther@suse.de>
6326 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6327 Assert we successfully updated the call.
6329 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6331 PR rtl-optimization/42889
6332 * df.h (df_set_bb_dirty_nonlr): New prototype.
6333 * df-core.c (df_set_bb_dirty_nonlr): New function.
6334 * df-scan.c (df_insn_rescan): Call it instead of
6335 df_set_bb_dirty for DEBUG_INSNs.
6337 2010-01-29 Richard Guenther <rguenther@suse.de>
6340 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6341 quadratic behavior in most cases.
6343 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6346 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6347 in the call to gen_x86_movsicc_0_m1.
6349 2010-01-28 Richard Guenther <rguenther@suse.de>
6351 PR tree-optimization/42871
6352 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6354 2010-01-28 Richard Guenther <rguenther@suse.de>
6356 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6357 into call arguments.
6359 2010-01-28 Richard Guenther <rguenther@suse.de>
6362 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6363 the forwarder if the destination is an EH landing pad.
6365 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6367 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6368 block list passed to gimple_duplicate_sese_tail.
6369 (parallelize_loops): Avoid parallelization when the function
6371 Avoid parallelization when the preheader is IRREDUCIBLE.
6372 Try to optimize when estimated_loop_iterations_int is unresolved.
6373 Add the loop's location to the dump file.
6374 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6375 (gimple_duplicate_sese_tail): Remove the check for the latch.
6376 Redirect nexits to the exit block.
6377 Remove handling of the incoming edges to the latch.
6378 Redirect the backedge from the copied latch to the exit bb.
6380 2010-01-28 Michael Matz <matz@suse.de>
6383 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6384 Wrap force_reg into a sequence, emit it before user.
6386 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6388 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6390 (arm_legacy_rev): Likewise.
6391 (thumb_legacy_rev): Likewise.
6393 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6395 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6396 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6397 on MEM's address failed, try avoid_constant_pool_reference and
6398 recurse if it returned something different.
6399 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6400 address, try avoid_constant_pool_reference and recurse if it
6401 returned something different.
6402 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6403 address and avoid_constant_pool_reference returned something
6404 different, don't set have_address.
6406 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6409 * var-tracking.c (val_store): Add modified argument, obey it.
6411 (count_uses): Move down logging of main.
6412 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6413 don't need resolution.
6414 (emit_notes_in_bb): Likewise.
6416 2010-01-27 Richard Guenther <rguenther@suse.de>
6419 * tree-inline.c (remap_decl): Delay remapping of SSA name
6420 default definitions until we need them.
6422 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6424 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6425 (rs6000_delegitimize_address): New function.
6427 * config/s390/s390.c (s390_delegitimize_address): Call
6428 delegitimize_mem_from_attrs.
6431 * tree-inline.c (cannot_copy_type_1): Removed.
6432 (copy_forbidden): Don't forbid copying of functions containing
6433 records/unions with variable length fields.
6435 2010-01-27 Christian Bruel <christian.bruel@st.com>
6439 * config/sh/sh.c (find_barrier): Increase length for non delayed
6440 conditional branches.
6442 2010-01-27 Matthias Klose <doko@ubuntu.com>
6444 * configure.ac (gnu-unique-object): Fix ldd version check.
6445 * configure: Regenerate.
6447 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6449 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6451 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6452 Test for HAVE_GNU_AS value.
6454 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6456 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6457 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6458 INT64_TYPE): Define.
6459 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6460 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6461 INT_LEAST64_TYPE): Define.
6462 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6463 UINT_LEAST64_TYPE): Define.
6464 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6465 INT_FAST64_TYPE): Define.
6466 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6467 UINT_FAST64_TYPE): Define.
6468 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6469 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6470 (SIG_ATOMIC_TYPE): Define.
6472 2010-01-26 Richard Guenther <rguenther@suse.de>
6474 * df-scan.c (df_scan_set_bb_info): Remove assert.
6475 (df_insn_rescan_debug_internal): Merge asserts.
6476 (df_install_ref): Likewise.
6477 (df_mark_reg): Use bitmap_set_range.
6478 (df_hard_reg_used_p): Remove assert.
6479 (df_hard_reg_used_count): Likewise.
6481 2010-01-26 Richard Guenther <rguenther@suse.de>
6483 PR rtl-optimization/42685
6484 * web.c (web_main): Ignore DEBUG_INSNs.
6486 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6488 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6490 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6491 Fix types of fndecl and arglist parameters.
6493 2010-01-26 Richard Guenther <rguenther@suse.de>
6496 * tree-eh.c (unsplit_eh): Skip debug insns.
6498 2010-01-26 Richard Guenther <rguenther@suse.de>
6500 PR tree-optimization/42250
6501 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6503 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6506 * omp-low.c (expand_omp_sections): Only use single_pred if
6507 l2_bb is single_pred_p.
6509 2010-01-25 Christian Bruel <christian.bruel@st.com>
6512 * config/sh/sh.c (find_barrier): Increase length for non delayed
6513 conditional branches.
6514 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6516 2010-01-24 David S. Miller <davem@davemloft.net>
6518 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6519 define if not using GAS.
6520 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6521 Likewise. Delete SECTION_MERGE code, which is only applicable
6524 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6527 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6528 mangling of va_list in system headers.
6530 2010-01-23 Toon Moene <toon@moene.org>
6532 * tree-predcom.c (combine_chains): Return NULL, not false.
6534 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6536 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6537 initialization of variable res to agree with return type.
6539 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6541 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6542 * tree-sra.c: Add include of expr.h.
6544 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6546 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6547 insert the debug stmt on the single non-EH edge from the stmt.
6549 2010-01-22 Richard Henderson <rth@redhat.com>
6552 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6553 the RHS until after generate_subtree_copies has insertted its
6554 code before the current statement.
6556 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6558 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6560 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6562 2010-01-21 Martin Jambor <mjambor@suse.cz>
6564 PR tree-optimization/42585
6565 * tree-sra.c (struct access): New field grp_total_scalarization.
6566 (dump_access): Dump the new field.
6567 (should_scalarize_away_bitmap): New variable.
6568 (cannot_scalarize_away_bitmap): Likewise.
6569 (sra_initialize): Allocate new bitmaps.
6570 (sra_deinitialize): Free new bitmaps.
6571 (create_access_1): New function.
6572 (create_access): Parts moved to create_access_1.
6573 (type_consists_of_records_p): New function.
6574 (completely_scalarize_record): Likewise.
6575 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6576 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6577 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6579 (analyze_all_variable_accesses): Completely scalarize small eligible
6582 2010-01-21 Martin Jambor <mjambor@suse.cz>
6584 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6586 2010-01-21 Andrew Haley <aph@redhat.com>
6588 * gcc.c (process_command): Move lang_specific_driver before
6589 setting cc_libexec_prefix.
6591 2010-01-21 Richard Guenther <rguenther@suse.de>
6594 * fold-const.c (negate_expr_p): Pretend only negative
6595 real constants are easily negatable.
6597 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6598 Jason Merrill <jason@redhat.com>
6600 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6601 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6602 * calls.c (initialize argument_information): Handle it.
6603 * c-common.c (handle_transparent_union_attribute): Use new name.
6604 * c-decl.c (finish_struct): Ditto.
6605 * c-typeck.c (type_lists_compatible_p): Ditto.
6606 (convert_for_assignment): Use new name and also handle record.
6607 * function.c (aggregate_value_p): Handle it.
6608 (pass_by_reference): Ditto.
6609 (assign_parm_data_types): Ditto.
6610 * print-tree.c (print_node): Ditto.
6611 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6612 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6613 * tree.c (first_field): New fn.
6615 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6618 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6619 even when linking statically, for now.
6621 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6624 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6625 without a cselib val.
6626 (count_uses): Accept MO_VAL_SET with no val on stores.
6627 (add_stores): Likewise.
6629 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6631 * var-tracking.c (check_value_val): Add a compile time assertion.
6632 (dv_is_decl_p): Simplify.
6633 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6634 gcc_assert if ENABLE_CHECKING.
6636 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6639 * var-tracking.c: Include tree-flow.h.
6640 (mem_dies_at_call): New.
6641 (dataflow_set_preserve_mem_locs): Use it.
6642 (dataflow_set_remove_mem_locs): Likewise.
6643 (dump_var): Renamed from dump_variable. Adjust all callers.
6644 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6645 * Makefile.in (var-tracking.o): Adjust deps.
6647 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6649 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6651 2010-01-20 Richard Guenther <rguenther@suse.de>
6653 PR tree-optimization/42717
6654 * tree-ssa-dce.c (get_live_post_dom): Remove.
6655 (forward_edge_to_pdom): Take an arbitrary edge to copy
6656 degenerate PHI args from.
6657 (remove_dead_stmt): Use the first post-dominator even if it
6658 does not contain live statements as redirection destination.
6660 2010-01-20 Richard Guenther <rguenther@suse.de>
6662 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6664 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6666 * sel-sched.c (create_speculation_check): Remove set but not used
6668 (try_transformation_cache): Remove set but not used variable ds.
6669 (calculate_privileged_insns): Remove set but not used variables
6670 cur_insn and min_spec_insn.
6671 (find_best_expr): Remove set but not used variable avail_n.
6672 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6674 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6676 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6677 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6680 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6683 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6684 cpu types. Add support for *-sse3 cpu types.
6685 (x86_64-*-*): Ditto.
6687 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6690 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6691 argument, call initializer_constant_valid_p_1 instead of
6692 initializer_constant_valid_p, pass CACHE to it, return NULL
6693 immediately if first call returns NULL.
6694 (initializer_constant_valid_p_1): New function.
6695 (initializer_constant_valid_p): Use it.
6697 2010-01-20 Thomas Quinot <quinot@adacore.com>
6699 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6701 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6703 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6704 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6705 (loc_list_from_tree): Don't handle unsigned division. Handle
6706 signed modulo using DW_OP_{over,over,div,mul,minus}.
6707 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6708 modulo instead of signed.
6710 2010-01-20 DJ Delorie <dj@redhat.com>
6712 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6714 (h8300_emit_stack_adjustment): Propogate it.
6716 (h8300_expand_prologue): Likewise.
6717 (h8300_expand_epilogue): Likewise.
6719 2010-01-19 Michael Matz <matz@suse.de>
6721 PR tree-optimization/41783
6722 * tree-data-ref.c (toplevel): Include flags.h.
6723 (dump_data_dependence_relation): Also dump the inputs if the
6724 result will be unknown.
6725 (split_constant_offset_1): Look through some conversions.
6726 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6727 the offset from last element is too large.
6728 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6729 (reassociate_to_the_same_stmt): Handle vector registers.
6730 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6732 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6733 wide_prolog_niters argument, emit widening instructions.
6734 (vect_do_peeling_for_alignment): Adjust caller, use widened
6735 variant of the iteration cound.
6736 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6738 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6741 * config/arm/neon-testgen.m (emit_automatics): New parameter
6742 features. Adjust for Fixed_return_reg feature.
6743 (test_intrinsic): Call emit_automatics with new feature.
6744 * config/arm/neon.ml: Update copyright years.
6745 (features): New Fixed_return_reg feature.
6746 (ops): Update feature for Vget_low.
6748 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6750 PR tree-optimization/42719
6751 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6755 * fwprop.c (all_uses_available_at): Return false if def_set dest
6756 is a REG that is used in def_insn.
6758 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6760 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6762 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6765 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6767 * target.h (struct gcc_target) <secondary_reload>: Change type
6768 of last argument to secondary_reload_info *.
6770 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6773 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6774 memory references with unaligned offsets. Remove CQImode handling.
6775 (unaligned_memory_operand): Return 1 for memory references with
6776 unaligned offsets. Remove CQImode handling.
6778 2010-01-18 Richard Guenther <rguenther@suse.de>
6781 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6784 2010-01-18 Richard Guenther <rguenther@suse.de>
6786 PR tree-optimization/42781
6787 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6788 restrict processing only if the original variable was artificial.
6790 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6792 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6793 find number of popped argument bytes.
6795 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6796 Fix the text that describes the return value for invalid insns.
6798 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6800 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6801 Clarify what 'cost of the -dependence' is. Fix quoting.
6803 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6804 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6806 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6808 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6809 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6811 2010-01-17 Richard Guenther <rguenther@suse.de>
6814 * function.c (split_complex_args): Take a VEC to modify.
6815 (assign_parms_augmented_arg_list): Build a VEC instead of
6816 a chain of PARM_DECLs.
6817 (assign_parms_unsplit_complex): Take a VEC of arguments.
6818 Do not fixup unmodified parms.
6819 (assign_parms): Deal with the VEC.
6820 (gimplify_parameters): Likewise.
6822 2010-01-17 Richard Guenther <rguenther@suse.de>
6824 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6825 node existence check.
6826 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6827 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6828 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6829 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6830 (gimple_execute_on_growing_pred): Likewise.
6832 2010-01-17 Richard Guenther <rguenther@suse.de>
6834 PR tree-optimization/42773
6835 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6836 (compute_antic_aux): Likewise.
6837 (compute_partial_antic_aux): Likewise.
6839 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6842 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6845 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6847 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6850 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6851 Fix markup for strict argument.
6853 (TARGET_SCHED_REORDER2): Fix argument types.
6855 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6856 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6858 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6859 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6861 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6864 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6865 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6866 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6867 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6868 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6870 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6872 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6874 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6875 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6877 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6879 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6882 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6884 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6885 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6887 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6889 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6891 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6892 referring to it. Fix language.
6894 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6896 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6898 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6900 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6902 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6903 '@var{stream}. Remove stray 'and'.
6905 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6907 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6909 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6911 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6912 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6914 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6915 Fix description of return value.
6916 Rename argument "sz" to "len."
6918 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6919 Clarify meaning of 'true' return value.
6921 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6923 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6924 rep_mode versus mode_rep.
6926 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6928 (TARGET_BUILTIN_DECL): Fix name.
6930 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6932 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6934 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6936 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6938 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6940 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6943 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6944 Rename argument tm_fn to md_fn.
6946 (TARGET_OPTION_PRINT): Fix argument list.
6948 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6951 * config/i386/i386.c (ix86_fixup_binary_operands):
6952 Revert FMA4 fixup of operands.
6954 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6957 * Makefile.in (write_entries_to_file, install-plugin):
6958 Use \012 instead of \n with tr.
6960 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6962 * configure.ac (HAVE_AS_REF): New C macro.
6963 * configure: Regenerate.
6964 * config.in: Likewise.
6965 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6967 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6970 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6972 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6974 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6976 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6978 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6980 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6982 (TARGET_BINDS_LOCAL_P): Fix argument type.
6984 (TARGET_ASM_FILE_END): Use prototype.
6986 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6988 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6990 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6992 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6994 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6995 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6997 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6998 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7000 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7001 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7002 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7003 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7005 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7007 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7009 (TARGET_INIT_BUILTINS): Use prototype.
7011 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7012 Put 'const char *' in braces. Fix parameter types.
7013 (TARGET_INVALID_CONVERSION): Fix parameter types.
7014 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7015 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7017 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7020 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7022 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7024 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7026 * doc/tm.texi (TARGET_HELP): Fix return type.
7028 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7029 in braces. Fix argument types.
7031 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7033 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7035 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7037 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7038 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7040 (TARGET_MANGLE_TYPE): Fix argument types.
7042 (TARGET_IRA_COVER_CLASSES): Use prototype.
7044 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7046 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7048 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7050 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7052 (TARGET_CALLEE_COPIES): Fix argument types.
7054 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7056 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7058 (TARGET_FUNCTION_VALUE): Fix argument types.
7060 (TARGET_RETURN_IN_MSB): Fix argument type.
7062 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7064 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7066 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7068 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7069 agree with return type.
7071 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7073 2010-01-15 Jing Yu <jingyu@google.com>
7075 PR rtl-optimization/42691
7076 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7077 a pseudo to a constant and are merged, and adjust comments.
7079 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7081 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7083 2010-01-15 Richard Guenther <rguenther@suse.de>
7086 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7087 labels of computed or non-local gotos to the destination.
7088 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7089 landing pad label is the first label.
7091 2010-01-15 Richard Guenther <rguenther@suse.de>
7093 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7095 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7098 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7099 to allow generation of the xssqrtdp instruction on power7.
7100 (sqrtdf2_fpr): Ditto.
7102 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7105 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7106 functions with noreturn attribute.
7109 * varasm.c (declare_weak): Add weak attribute to decl if it
7110 doesn't have one already.
7111 (assemble_external): Only add decls to weak_decls if they also
7112 have weak attribute.
7114 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7116 * var-tracking.c (var_reg_delete): Don't delete the association
7117 between REGs and values or one-part variables if the register
7120 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7123 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7124 because its first operand is a non-localized variable.
7126 2010-01-14 Martin Jambor <mjambor@suse.cz>
7128 PR tree-optimization/42706
7129 * tree-sra.c (encountered_recursive_call): New variable.
7130 (encountered_unchangable_recursive_call): Likewise.
7131 (sra_initialize): Initialize both new variables.
7132 (callsite_has_enough_arguments_p): New function.
7133 (scan_function): Call decl and flags check only for IPA-SRA, check
7134 whether there is a recursive call and whether it has enough arguments.
7135 (all_callers_have_enough_arguments_p): New function.
7136 (convert_callers): Look for recursive calls only when
7137 encountered_recursive_call is set.
7138 (ipa_early_sra): Bail out either if
7139 !all_callers_have_enough_arguments_p or
7140 encountered_unchangable_recursive_call.
7142 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7144 * sel-sched.c: Add 2010 to copyright years.
7145 * sel-sched-ir.c: Likewise.
7146 * sel-sched-ir.h: Likewise.
7148 2010-01-14 Martin Jambor <mjambor@suse.cz>
7150 PR tree-optimization/42714
7151 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7152 constructors specially.
7154 2010-01-14 Andi Kleen <ak@linux.intel.com>
7156 * config/i386/drivers-i386.c (detect_caches_intel):
7157 Add l2sizekb parameter and fill in.
7158 (host_detect_local_cpu): Add l2sizekb, fill in.
7159 Add Atom small cache heuristic.
7161 2010-01-14 Andi Kleen <ak@linux.intel.com>
7163 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7164 Add level3 parameter and fill in.
7165 (detect_caches_intel): Handle level3 cache.
7167 2010-01-14 Andi Kleen <ak@linux.intel.com>
7169 * config/i386/drivers-i386.c (host_detect_local_cpu):
7170 Fix core duo detection.
7172 2010-01-14 Andi Kleen <ak@linux.intel.com>
7174 * config/i386/drivers-i386.c (host_detect_local_cpu):
7177 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7179 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7180 (rs6000_variable_issue_1): this. Use...
7181 (rs6000_variable_issue): here. Reimplement. Print debug info.
7183 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7185 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7186 sel_restore_notes. Update all callers. Call reemit_notes
7189 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7191 PR rtl-optimization/42246
7192 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7195 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7197 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7198 all successors is the same as number of successors in current region.
7200 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7202 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7203 to rename is not separable. Otherwise check that its LHS is not NULL.
7205 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7207 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7209 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7211 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7212 available registers when failed to discover LHS register class.
7213 Fix indentation. Update comment.
7215 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7216 Alexander Monakov <amonakov@ispras.ru>
7218 PR rtl-optimization/42389
7219 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7221 (advance_state_on_fence): Likewise.
7222 (sel_target_adjust_priority): Print debug output only when
7223 sched_verbose >= 4, not 2.
7224 (get_expr_cost): Do not issue all unique insns on the next cycle.
7225 (fill_insns): Initialize can_issue_more from the value saved
7227 * sel-sched-ir.c (flist_add): New parameter issue_more.
7228 Init FENCE_ISSUE_MORE with it.
7229 (merge_fences): Likewise.
7230 (init_fences): Update call to flist_add.
7231 (add_to_fences, add_clean_fence_to_fences)
7232 (add_dirty_fence_to_fences): Likewise.
7233 (move_fence_to_fences): Update call to merge_fences.
7234 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7236 * sel-sched-ir.h (struct _fence): New field issue_more.
7237 (FENCE_ISSUE_MORE): New accessor macro.
7239 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7241 PR rtl-optimization/42388
7242 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7243 that have no predecessors nor successors. Do not call move_bb_info
7244 for empty blocks outside of current region.
7246 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7248 PR rtl-optimization/42294
7249 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7250 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7251 originators' originators.
7253 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7255 PR rtl-optimization/39453
7256 PR rtl-optimization/42246
7257 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7259 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7261 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7262 Alexander Monakov <amonakov@ispras.ru>
7265 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7266 (maybe_tidy_empty_bb): ... here. Make static. Add new
7267 argument. Update all callers.
7268 (tidy_control_flow): ... and here. Recompute topological order
7269 of basic blocks in region if necessary.
7270 (sel_redirect_edge_and_branch): Change return type. Return true
7271 if topological order might have been invalidated.
7272 (purge_empty_blocks): Export and move from...
7273 * sel-sched.c (purge_empty_blocks): ... here.
7274 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7275 (maybe_tidy_empty_bb): Delete prototype.
7276 (purge_empty_blocks): Declare.
7278 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7280 PR rtl-optimization/42249
7281 * sel-sched.c (try_replace_dest_reg): When chosen register
7282 and original register is the same, do not bail out early, but
7283 still check all original insns for validity of replacing destination
7284 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7287 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7290 Port from no-undefined-overflow branch:
7291 2009-03-09 Richard Guenther <rguenther@suse.de>
7293 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7295 2010-01-14 Richard Guenther <rguenther@suse.de>
7298 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7300 2010-01-14 Ira Rosen <irar@il.ibm.com>
7302 PR tree-optimization/42709
7303 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7304 as scalar type in creation of constant vector operand.
7306 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7309 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7310 (check-parallel-%): Match `testsuite' directory component only
7313 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7315 PR translation/39521
7316 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7319 2010-01-13 Richard Guenther <rguenther@suse.de>
7321 PR tree-optimization/42730
7322 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7325 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7328 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7329 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7332 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7334 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7335 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7336 ___umulsi3_highpart.
7338 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7339 rather than schedule_insns if the pass is enabled.
7341 2010-01-13 Martin Jambor <mjambor@suse.cz>
7343 PR tree-optimization/42704
7344 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7347 2010-01-13 Martin Jambor <mjambor@suse.cz>
7349 PR tree-optimization/42703
7350 * tree-sra.c (analyze_access_subtree): Check that we can build a
7351 reference to the original data within the aggregate.
7353 2010-01-13 Richard Guenther <rguenther@suse.de>
7355 PR tree-optimization/42705
7356 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7358 2010-01-13 Richard Guenther <rguenther@suse.de>
7361 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7363 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7366 * var-tracking.c (values_to_unmark): New variable.
7367 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7368 values_to_unmark vector. Moved body to...
7369 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7370 instead queue it into values_to_unmark vector.
7371 (vt_find_locations): Free values_to_unmark vector.
7373 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7375 * config/s390/s390.c (override_options): Set
7376 default of max-pending-list-length to 256
7378 2010-01-13 Richard Guenther <rguenther@suse.de>
7381 * tree-pass.h (PROP_gimple_lcx): New.
7382 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7383 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7384 before the final cleanup_eh.
7385 (dump_properties): Dump PROP_gimple_lcx.
7386 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7387 (tree_lower_complex_O0): Remove.
7388 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7389 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7390 tree_lower_complex, schedule TODO_update_ssa.
7391 * lto-streamer-out.c (output_function): Stream the functions
7393 * lto-streamer-in.c (input_function): Likewise.
7394 (lto_read_body): Do not override them here.
7396 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7399 * c-typeck.c (build_c_cast): Fold value cast to union type before
7400 wrapping it in a CONSTRUCTOR.
7402 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7404 PR rtl-optimization/42699
7405 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7408 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7410 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7411 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7412 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7413 SUBTARGET_WARN_UNUSED_SPEC): ... here
7414 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7416 2010-01-12 Julian Brown <julian@codesourcery.com>
7418 * config/arm/neon-schedgen.ml (Utils): Don't try to
7419 open missing module.
7420 (find_with_result): New.
7422 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7425 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7426 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7428 PR tree-optimization/42645
7429 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7430 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7431 decl_map, set processing_debug_stmt to -1 and return name without
7434 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7436 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7437 binutils version, and reword target configuration description.
7439 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7441 * config/avr/avr.h (LINKER_NAME): Remove.
7443 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7446 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7447 that support VSX, warn for -mno-altivec if vsx is not disabled,
7450 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7451 Shujing Zhao <pearly.zhao@oracle.com>
7453 PR translation/42469
7454 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7455 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7456 character between option name and help text.
7457 * c.opt (imultilib): Likewise.
7459 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7461 * lto-streamer-out.c (output_unreferenced_globals): Output static
7464 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7466 PR rtl-optimization/42621
7467 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7468 optimizing for size.
7469 (duplicate_computed_gotos): Remove now-redundant check.
7471 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7474 * configure.ac: Save and restore LDFLAGS and LIBS
7475 * configure: Regenerate.
7477 2010-01-10 Richard Guenther <rguenther@suse.de>
7480 * builtins.c (fold_builtin_strlen): Add type argument and
7481 convert the resulting length to it.
7482 (fold_builtin_1): Adjust.
7484 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7486 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7487 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7489 (num_insns_constant_wide): Adjust for that change.
7491 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7494 * web.c (union_defs): Add used argument, to combine uses of
7496 (entry_register): Adjust type and tests of used argument.
7497 (web_main): Widen used for new use. Pass it to union_defs.
7498 * df.h (union_defs): Adjust prototype.
7500 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7503 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7504 uses in new incoming argument. Free body.
7505 (reset_debug_uses_in_loop): New.
7506 (analyze_insn_to_expand_var): Call the latter if the former found
7507 anything. Fix whitespace. Reject invalid dest overlaps before
7508 going through all insns in the loop.
7510 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7513 * haifa-sched.c (dying_use_p): Debug insns don't count.
7515 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7518 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7519 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7520 (verify_gimple_call): Reject LHS in noreturn calls.
7522 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7526 * tree-vect-loop-manip.c (adjust_info): New type.
7527 (adjust_vec): New pointer to vector.
7528 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7529 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7530 (slpeel_update_phis_for_duplicate_loop): Use them.
7531 (slpeel_update_phi_nodes_for_guard1): Likewise.
7532 (slpeel_update_phi_nodes_for_guard2): Likewise.
7533 (slpeel_tree_peel_loop_to_edge): Likewise.
7534 (vect_update_ivs_after_vectorizer): Likewise.
7536 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7538 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7539 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7541 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7543 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7544 bogus uninitialized warning.
7546 2010-01-09 Richard Guenther <rguenther@suse.de>
7549 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7550 the evolution is compatible with the initial condition.
7552 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7554 * gcc.c (process_command): Update copyright notice dates.
7555 * gcov.c (print_version): Likewise.
7556 * gcov-dump.c (print_version): Likewise.
7557 * mips-tfile.c (main): Likewise.
7558 * mips-tdump.c (main): Likewise.
7560 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7563 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7565 (rotlhi3_8): Delete.
7567 (rotlsi3_8): Delete.
7568 (rotlsi3_16): Delete.
7569 (rotlsi3_24): Delete.
7571 (*rotw<mode>3): New.
7572 (*rotb<mode>3): New.
7573 * config/avr/avr.c (avr_rotate_bytes): New function.
7574 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7576 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7579 * configure.ac: Modify -rdynamic check.
7580 * configure: Regenerate.
7582 2010-01-08 DJ Delorie <dj@redhat.com>
7584 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7585 register popping order.
7587 2010-01-08 Richard Guenther <rguenther@suse.de>
7590 * c.opt (fsigned-char): Also let LTO handle this option.
7591 (funsigned-char): Likewise.
7593 2010-01-07 Richard Guenther <rguenther@suse.de>
7595 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7596 (gimple_op): Likewise.
7597 (gimple_op_ptr): Likewise.
7598 (gimple_assign_set_lhs): Remove gcc_assert.
7599 (gimple_assign_set_rhs1): Likewise.
7600 (gimple_assign_set_rhs2): Likewise.
7601 (gimple_call_set_lhs): Likewise.
7602 (gimple_call_set_fn): Likewise.
7603 (gimple_call_set_fndecl): Likewise.
7604 (gimple_call_fndecl): Likewise.
7605 (gimple_call_return_type): Likewise.
7606 (gimple_call_set_chain): Likewise.
7607 (gimple_call_num_args): Likewise.
7608 (gimple_call_set_arg): Likewise.
7609 (gimple_cond_set_code): Likewise.
7610 (gimple_cond_set_lhs): Likewise.
7611 (gimple_cond_set_rhs): Likewise.
7612 (gimple_cond_set_true_label): Likewise.
7613 (gimple_cond_set_false_label): Likewise.
7614 (gimple_label_set_label): Likewise.
7615 (gimple_goto_set_dest): Likewise.
7616 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7617 (gimple_debug_bind_get_value): Likewise.
7618 (gimple_debug_bind_get_value_ptr): Likewise.
7619 (gimple_debug_bind_set_var): Likewise.
7620 (gimple_debug_bind_set_value): Likewise.
7621 (gimple_debug_bind_reset_value): Likewise.
7622 (gimple_debug_bind_has_value_p): Likewise.
7623 (gimple_return_retval_ptr): Remove gcc_assert.
7624 (gimple_return_retval): Likewise.
7625 (gimple_return_set_retval): Likewise.
7626 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7627 (safe_referenced_var_iterator): Remove.
7628 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7629 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7630 (fill_referenced_var_vec): Remove.
7631 (first_readonly_imm_use): Remove redundant gcc_assert.
7632 (phi_arg_index_from_use): Combine gcc_asserts.
7633 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7634 (first_imm_use_stmt): Remove redundant gcc_assert.
7635 * tree-cfg.c (verify_gimple_call): Verify function and chain
7636 operands. Verify arguments.
7637 (verify_types_in_gimple_stmt): Verify condition code and labels.
7639 2010-01-07 Richard Guenther <rguenther@suse.de>
7641 PR tree-optimization/42641
7642 * sese.c (rename_map_elt_info): Use the SSA name version, do
7645 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7647 PR tree-optimization/42625
7648 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7649 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7651 2010-01-07 Duncan Sands <baldrick@free.fr>
7653 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7655 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7658 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7659 note itself is not function_invariant_p.
7661 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7663 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7664 Do not add the DF_NOTE problem.
7665 * store-motion.c (execute_rtl_store_motion): Likewise.
7667 2010-01-07 Martin Jambor <mjambor@suse.cz>
7669 PR tree-optimization/42157
7670 * tree-sra.c (compare_access_positions): Stabilize sort if both
7671 accesses have integer types, return zero immediately if they are the
7674 2010-01-06 Richard Henderson <rth@redhat.com>
7677 * haifa-sched.c (add_to_note_list): Merge into ...
7678 (concat_note_lists): ... here, and ...
7679 (unlink_other_notes, rm_other_notes): Merge into...
7680 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7681 NOTE_INSN_EPILOGUE_BEG.
7683 2010-01-06 Richard Guenther <rguenther@suse.de>
7685 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7686 not inline regular functions into always-inline functions.
7688 2010-01-06 Nick Clifton <nickc@redhat.com>
7690 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7691 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7693 (OVERRIDE_OPTIONS): Delete.
7694 (OPTIMIZATION_OPTIONS): Define.
7695 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7696 * config/rx/rx.c (rx_handle_option): Issue an error message if
7697 -mcpu=rx200 and -fpu are used together.
7698 (rx_set_optimization_options): New function. Issue an error
7699 message if an optimization attribute attempts to reset the FPU/
7700 math optimization pairing.
7701 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7702 * config/rx/rx.opt: Set the default to 32-bit doubles.
7703 * config/rx/t-rx: Add multilibs for -nofpu option.
7704 * doc/invoke.texi: Update documentation of RX options.
7706 2010-01-06 Richard Guenther <rguenther@suse.de>
7708 * tree-ssa-pre.c (name_to_id): New global.
7709 (alloc_expression_id): Simplify SSA name handling.
7710 (lookup_expression_id): Likewise.
7711 (init_pre): Zero name_to_id.
7712 (fini_pre): Free it.
7714 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7716 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7718 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7721 * config/i386/sse.md (smaxv2di3): New.
7722 (umaxv2di3): Likewise.
7723 (sminv2di3): Likewise.
7724 (uminv2di3): Likewise.
7726 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7729 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7730 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7731 (legitimize_tls_address): Likewise.
7732 (sparc_tls_referenced_p): Likewise.
7733 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7734 and adjust calls to legitimize_pic_address.
7735 (legitimate_constant_p) Use sparc_tls_referenced_p.
7736 (legitimate_pic_operand_p): Likewise.
7737 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7738 (sparc_tls_symbol_ref_1): Delete.
7739 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7740 (legitimize_tls_address): Make static, handle CONST patterns.
7741 (legitimize_pic_address): Make static, remove unused parameter and
7742 adjust recursive calls.
7743 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7744 and adjust call to legitimize_pic_address.
7745 (sparc_output_mi_thunk): Likewise.
7747 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7748 H.J. Lu <hongjiu.lu@intel.com>
7751 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7752 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7753 operands to make them signed.
7756 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7759 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7760 GTU to GT for V4SI and V2DI.
7762 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7763 (umin<mode>3): Removed.
7765 (uminv4si3): Likewise.
7767 2010-01-05 Martin Jambor <mjambor@suse.cz>
7769 PR tree-optimization/42462
7770 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7771 current_function_decl to helper functions and macros.
7773 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7776 * flags.h: Don't include real.h.
7777 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7778 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7779 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7780 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7781 * dominance.c: Update copyright.
7782 * gimple.c (walk_gimple_op): Remove inline.
7783 * tree-ssa-reassoc.c: Include real.h.
7784 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7785 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7787 2010-01-05 Nick Clifton <nickc@redhat.com>
7789 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7790 register to push into the stack frame when the accumulator has to
7791 be saved during interrupts.
7793 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7795 * doc/invoke.texi: Remove the documentation about option
7797 * common.opt (Wunreachable-code): Preserved for backward
7799 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7800 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7801 the backward compatibility flag section.
7803 2010-01-05 Richard Guenther <rguenther@suse.de>
7805 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7807 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7810 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7812 PR tree-optimization/42508
7813 * tree-sra.c (convert_callers): Check for recursive call
7814 by comparing cgraph nodes instead of decls.
7815 (modify_function): Call ipa_modify_formal_parameters also
7816 on all same_body aliases.
7818 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7819 cgraph nodes when checking for same_body aliases.
7821 2010-01-05 Richard Guenther <rguenther@suse.de>
7823 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7824 allocation and lookup.
7825 (get_or_alloc_expr_for_constant): Likewise.
7826 (phi_translate): Sink allocation.
7828 2010-01-04 Richard Guenther <rguenther@suse.de>
7830 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7831 a new entry only if needed.
7832 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7833 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7835 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7837 (phi_translate): Handle CONSTANTs early.
7839 2010-01-04 Martin Jambor <mjambor@suse.cz>
7841 PR tree-optimization/42398
7842 * tree-sra.c (struct access): Removed flag grp_different_types.
7843 (dump_access): Do not dump the removed flag.
7844 (sort_and_splice_var_accesses): Do not set the removed flag.
7845 (sra_modify_expr): Check for type compatibility directly.
7847 2010-01-04 Martin Jambor <mjambor@suse.cz>
7849 PR tree-optimization/42366
7850 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7851 edges with variable number of parameters.
7852 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7853 flag instead of asserting it.
7854 (ipa_read_node_info): Read uses_analysis_done flag.
7856 2010-01-04 Richard Guenther <rguenther@suse.de>
7858 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7859 iterative_hash_* as intended.
7860 (vn_reference_compute_hash): Likewise. Simplify hashing
7862 (vn_reference_lookup_2): Likewise.
7863 (vn_nary_op_compute_hash): Likewise.
7864 (vn_phi_compute_hash): Likewise.
7865 (expressions_equal_p): Remove strange code.
7866 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7867 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7868 (bitmap_insert_into_set_1): Take value-id as parameter.
7869 (add_to_value): Pass it.
7870 (bitmap_insert_into_set): Likewise.
7871 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7873 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7876 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7877 (do_self_spec): For switches with SWITCH_IGNORE set set also
7878 SWITCH_IGNORE_PERMANENTLY.
7879 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7882 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7884 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7885 tree of an unreferenced global var.
7887 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7890 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7891 GTU to GT for V4SI and V2DI.
7893 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7894 (umin<mode>3): Removed.
7896 (uminv4si3): Likewise.
7898 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7901 * collect2.c (main): Turn on trace in collect2 if -v is passed
7904 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7906 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7907 description of expression operand.
7909 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7911 * configure.ac: Add install-html to target_list for Make-hooks.
7912 * configure: Regenerate.
7913 * fortran/Make-lang.in (F95_HTMLFILES): New.
7914 (fortran.html): Use it.
7915 (fortran.install-html): New.
7916 * Makefile.in (install-html): Add lang.install-html.
7917 * java/Make-lang.in (JAVA_HTMLFILES): New.
7918 (java.html): Use it.
7919 (java.install-html): New.
7920 * objc/Make-lang.in (objc.install-html): New.
7921 * objcp/Make-lang.in (obj-c++.install-html): New.
7922 * cp/Make-lang.in (c++.install-html): New.
7923 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7924 * lto/Make-lang.in (lto.install-html): New.
7926 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7929 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7931 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7933 PR rtl-optimization/41862
7934 * store-motion.c (store_killed_in_insn, compute_store_table,
7935 remove_reachable_equiv_notes, replace_store_insn,
7936 build_store_vectors): Ignore all DEBUG_INSNs.
7938 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7941 * common.opt: Add dumpdir.
7943 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7945 (option_map): Add --dumpdir.
7947 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7949 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7951 * opts.c (decode_options): Try dump_dir_name first if
7952 dump_base_name isn't an absolute path.
7953 (common_handle_option): Handle OPT_dumpdir.
7955 * toplev.c (dump_dir_name): New.
7956 (print_switch_values): Also ignore -dumpdir.
7958 * toplev.h (dump_dir_name): New.
7960 2010-01-03 Richard Guenther <rguenther@suse.de>
7962 PR tree-optimization/42589
7963 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7964 double-word expansion of bswap32.
7966 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7968 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7969 with BLOCK_FOR_INSN.
7970 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7971 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7972 noce_process_if_block): Likewise.
7973 * gcse.c (compute_local_properties, insert_expr_in_table,
7974 insert_set_in_table, canon_list_insert, find_avail_set,
7975 pre_insert_copy_insn): Likewise.
7977 * basic-block.h (BLOCK_NUM): Move from here...
7978 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7980 2010-01-03 Richard Guenther <rguenther@suse.de>
7982 PR tree-optimization/42438
7983 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7984 contains_may_not_return_call flag.
7985 (BB_MAY_NOTRETURN): New.
7986 (valid_in_sets): Trapping nary operations are not valid
7987 in blocks that may not return.
7988 (insert_into_preds_of_block): Remove check for trapping expressions.
7989 (compute_avail): Compute also BB_MAY_NOTRETURN.
7991 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7993 * doc/invoke.texi: Add 2010 to copyright years.
7995 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7997 * config/sparc/sparc.c: Fix formatting nits.
7999 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8000 Alexander Monakov <amonakov@ispras.ru>
8002 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8004 2010-01-02 Richard Guenther <rguenther@suse.de>
8007 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8008 (simplify_switch_using_ranges): Mark to be removed edges
8011 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8013 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8015 * collect2.c (scan_libraries): Add missing argument in call to
8018 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8021 * config/alpha/predicates.md (aligned_memory_operand): Return false
8023 (unaligned_memory_operand): Return true for CQImode.
8024 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8025 doesn not cross aligned SImode word boundary.
8027 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8029 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8031 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8032 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8034 2010-01-02 Richard Guenther <rguenther@suse.de>
8037 * toplev.c (compile_file): Emit LTO marker properly. Change
8039 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8041 2010-01-01 Richard Guenther <rguenther@suse.de>
8044 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8046 2010-01-01 Richard Guenther <rguenther@suse.de>
8049 * c-decl.c (grokdeclarator): For zero-size arrays force
8050 structural equality checks as layout_type does.
8052 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8054 * builtins.c: Update copyright to 2010.
8056 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8059 * lto-streamer-out.c (produce_asm): Revert the last change.
8060 (copy_function): Likewise.
8062 * lto-streamer.c (lto_get_section_name): Skip any leading
8065 2010-01-01 Richard Guenther <rguenther@suse.de>
8068 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8072 Copyright (C) 2010 Free Software Foundation, Inc.
8074 Copying and distribution of this file, with or without modification,
8075 are permitted in any medium without royalty provided the copyright
8076 notice and this notice are preserved.