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1 2010-04-30  Jan Hubicka  <jh@suse.cz>
2
3         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
4         references.
5
6 2010-04-30  Jan Hubicka  <jh@suse.cz>
7
8         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
9         needed.
10
11 2010-04-30  Richard Guenther  <rguenther@suse.de>
12
13         * tree-ssa-structalias.c (get_constraint_for_1): Generate
14         constraints for CONSTRUCTOR.
15
16 2010-04-30  Richard Guenther  <rguenther@suse.de>
17
18         PR lto/43946
19         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
20         first after all lowering passes.
21
22 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
23
24         * toplev.c: Include varray.h for statistics dumping.
25         * tree.h: Do not declare varray_head_tag.
26         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
27         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
28         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
29         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
30         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
31         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
32         c-common.c, c-common.h, reg-stack.c, basic-block.h,
33         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
34         include varray.h.
35         * Makefile.in: Update for abovementioned changes.
36
37 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
38
39         PR debug/43942
40         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
41
42 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
43
44         * config/picochip/picochip.c (picochip_legitimize_address): Define.
45         Use this function to do machine-specific conversion.
46         (picochip_legitimize_reload_address): Likewise.
47         (picochip_legitimate_address_p): Check valid base register only if
48         strict.
49         (picochip_check_conditional_copy): Check for modw only if opnd is
50         register.
51         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
52         to call the function in c.
53         * config/picochip/picochip-protos.h
54         (picochip_legitimize_reload_address): Define.
55         * config/picochip/picochip.md (supported_compare1): Define.
56
57 2010-04-30  Jan Hubicka  <jh@suse.cz>
58
59         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
60         (cgraph_global_info): Remove inlined.
61         (LTO_cgraph_tag_names): Remove.
62         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
63         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
64         simplify cgraph tags and document.
65         (lto_output_node): Use only LTO_cgraph_unavail_node and
66         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
67         for_functions_valid, global info, process and output
68         flags.
69         (input_overwrite_node): Initialize estimated stack size and
70         estimated growth.
71         Do not read flags we no longer store.
72         (input_node): Likewise do not read info no longer stored.
73         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
74         flag.
75
76 2010-04-30  Richard Guenther  <rguenther@suse.de>
77
78         PR tree-optimization/43879
79         * tree-ssa-structalias.c (get_constraint_for_1): Properly
80         handle non-zero initializers.
81
82 2010-04-30  Richard Guenther  <rguenther@suse.de>
83
84         * builtins.c (fold_builtin_1): Delete free (0).
85
86 2010-04-29  Jan Hubicka  <jh@suse.cz>
87
88         * gengtype.c (open_base_files): Add lto-streamer.h
89         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
90         (pass_ipa_cp): GGC collect.
91         * toplev. (compile_file): Do not output symbols.
92         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
93         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
94         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
95         * lto-section-in.c: Include ggc.h
96         (lto_new_in_decl_state): Alloc in GGC.
97         (lto_delete_in_decl_state): Likewise.
98         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
99
100 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
101
102         PR target/42895
103         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
104         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
105         (HONOR_REG_ALLOC_ORDER): Describe new macro.
106         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
107         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
108         account only if HONOR_REG_ALLOC_ORDER is not defined.
109         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
110         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
111         
112 2010-04-29  Jon Grant <04@jguk.org>
113         
114         * collect2.c (vflag): Change type from int to bool.
115         (debug): Likewise.
116         (helpflag): New global bool.
117         (main): Set vflag and debug with boolean, not integer truth
118         values.  Accept new "--help" option and output usage text if
119         found.
120         * collect2.h (vflag): Update prototype.
121         (debug): Likewise.
122         
123 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
124
125         PR bootstrap/43936
126         * plugin.h (flag_plugin_added): Moved out of
127         invoke_plugin_callbacks.
128
129 2010-04-29  Richard Guenther  <rguenther@suse.de>
130
131         PR bootstrap/43935
132         * plugin.h (invoke_plugin_callbacks): Annotate arguments
133         with ATTRIBUTE_UNUSED.
134
135 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
136
137         PR target/43921
138         * config/i386/i386.c (get_some_local_dynamic_name): Replace
139         INSN_P with NONDEBUG_INSN_P.
140         (distance_non_agu_define): Likewise.
141         (distance_agu_use): Likewise.
142
143 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
144
145         From Dominique d'Humieres <dominiq@lps.ens.fr>
146         PR bootstrap/43858
147         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
148         test_set.
149
150 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
151
152         * plugin.h (invoke_plugin_callbacks): New inline function.
153         * plugin.c (flag_plugin_added): New global flag.
154         (add_new_plugin): Initialize above flag.
155         (invoke_plugin_callbacks): Rename to ...
156         (invoke_plugin_callbacks_full): ... this.
157
158 2010-04-28  Jan Hubicka  <jh@suse.cz>
159
160         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
161         (lto_varpool_replace_node): New.
162         (lto_symtab_resolve_symbols): Resolve varpool nodes.
163         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
164         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
165         * cgraph.h (varpool_node_ptr): New type.
166         (varpool_node_ptr): New vector.
167         (varpool_node_set_def): New structure.
168         (varpool_node_set): New type.
169         (varpool_node_set): New vector.
170         (varpool_node_set_element_def): New structure.
171         (varpool_node_set_element, const_varpool_node_set_element): New types.
172         (varpool_node_set_iterator): New type.
173         (varpool_node): Add prev pointers, add used_from_other_partition,
174         in_other_partition.
175         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
176         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
177         varpool_get_node, varpool_remove_node): Declare.
178         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
179         varpool_node_set_size): New inlines.
180         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
181         * tree-pass.h (varpool_node_set_def): Forward declare.
182         (ipa_opt_pass_d): Summary writting takes vnode sets too.
183         (ipa_write_optimization_summaries): Update prototype.
184         * ipa-cp.c (ipcp_write_summary): Update.
185         * ipa-reference.c (ipa_reference_write_summary): Update.
186         * lto-cgraph.c (lto_output_varpool_node): New static function.
187         (output_varpool): New function.
188         (input_varpool_node): New static function.
189         (input_varpool_1): New function.
190         (input_cgraph): Input varpool.
191         * ipa-pure-const.c (pure_const_write_summary): Update.
192         * lto-streamer-out.c (lto_output): Update, output varpool too.
193         (write_global_stream): Kill WPA hack.
194         (produce_asm_for_decls): Update.
195         (output_alias_pair_p): Handle variables.
196         (output_unreferenced_globals): Output only needed partition of varpool.
197         * ipa-inline.c (inline_write_summary): Update.
198         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
199         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
200         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
201         varpool_node_set_new, varpool_node_set_add,
202         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
203         debug_varpool_node_set): New functions.
204         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
205         (execute_one_pass): Process new decls too.
206         (ipa_write_summaries_2): Pass around vsets.
207         (ipa_write_summaries_1): Likewise.
208         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
209         to add.
210         (ipa_write_optimization_summaries_1): Pass around vsets.
211         (ipa_write_optimization_summaries): Likewise.
212         * varpool.c (varpool_get_node): New.
213         (varpool_node): Update doubly linked lists.
214         (varpool_remove_node): New.
215         (dump_varpool_node): More dumping.
216         (varpool_enqueue_needed_node): Update doubly linked lists.
217         (decide_is_variable_needed): Kill ltrans hack.
218         (varpool_finalize_decl): Kill lto hack.
219         (varpool_assemble_decl): Skip decls in other partitions.
220         (varpool_assemble_pending_decls): Update doubly linkes lists.
221         (varpool_empty_needed_queue): Likewise.
222         (varpool_extra_name_alias): Likewise.
223         * lto-streamer.c (lto_get_section_name): Add vars section.
224         * lto-streamer.h (lto_section_type): Update.
225         (output_varpool, input_varpool): Declare.
226
227 2010-04-28  Mike Stump  <mikestump@comcast.net>
228
229         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
230
231 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
232
233         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
234         record or union type with RECORD_OR_UNION_TYPE_P predicate.
235         (lto_input_ts_type_tree_pointers): Likewise.
236         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
237         (lto_output_ts_type_tree_pointers): Likewise.
238
239 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
240
241         Uniquization of constants at the Tree level
242         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
243         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
244         bit to the end.
245         (tree_output_constant_def): Declare.
246         * gimplify.c (gimplify_init_constructor): When using block copy, first
247         uniquize the constant constructor on the RHS.
248         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
249         DECL_IN_CONSTANT_POOL flag.
250         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
251         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
252         constant pool.
253         (assemble_variable): Deal with symbols belonging to the tree constant
254         pool.
255         (get_constant_section): Add ALIGN parameter and simplify.
256         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
257         (assemble_constant_contents): Use the expression of the VAR_DECL.
258         (output_constant_def_contents): Use the alignment of the VAR_DECL.
259         (tree_output_constant_def): New global function.
260         (mark_constant): Use the expression of the VAR_DECL.
261         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
262         its expression.
263         (output_object_block): Likewise and assemble the expression.
264
265 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
266
267         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
268         hash_tree, eq_tree): New tree hash table.
269         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
270         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
271         lto_orig_address_remove): Reimplement.
272
273 2010-04-28  Xinliang David Li  <davidxl@google.com>
274
275         PR c/42643
276         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
277         (compute_uninit_opnds_pos): New function.
278         (is_non_loop_exit_postdominating): New function.
279         (compute_control_dep_chain): New function.
280         (find_pdom): New function.
281         (convert_control_dep_chain_into_preds): New function.
282         (find_predicates): New function.
283         (find_control_equiv_block): New function.
284         (collect_phi_def_edges): New function.
285         (find_def_preds): New function.
286         (find_dom): New function.
287         (dump_predicates): New function.
288         (get_cmp_code): New function.
289         (is_value_included_in): New function.
290         (find_matching_predicate_in_rest_chains): New function.
291         (use_pred_not_overlap_with_undef_path_pred): New function.
292         (is_use_properly_guarded): New function.
293         (normalize_cond_1): New function.
294         (is_and_or_or): New function.
295         (normalize_cond): New function.
296         (is_gcond_subset_of): New function.
297         (is_subset_of_any): New function.
298         (is_or_set_subset_of): New function.
299         (is_and_set_subset_of): New function.
300         (is_norm_cond_subset_of): New function.
301         (is_pred_expr_subset_of): New function.
302         (is_pred_chain_subset_of): New function.
303         (is_included_in): New function.
304         (is_superset_of): New function.
305         (find_uninit_use): New function.
306         (warn_uninitialized_phi): New function.
307         (compute_possibly_undefined_names): New function.
308         (ssa_undefined_value_p): New function.
309         (execute_late_warn_uninitialized): New function.
310         * tree-ssa.c (ssa_undefined_value_p): Removed.
311         (warn_uninit): Changed to extern.
312         (warn_uninitialized_phi): Removed.
313         (warn_uninitialized_vars): Changed to extern.
314         (execute_late_warn_uninitialized): Removed
315         * tree-flow.h: Add new prototypes.
316         * timevar.def: Add new time variable.
317         * Makefile.in: Add new build file.
318
319 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
320
321         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
322         type if available.
323
324 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
325
326         PR target/22224
327         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
328
329 2010-04-28  Martin Jambor  <mjambor@suse.cz>
330
331         * cgraph.h (struct cgraph_node): New field indirect_calls.
332         (struct cgraph_indirect_call_info): New type.
333         (struct cgraph_edge): Removed field indirect_call. New fields
334         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
335         (cgraph_create_indirect_edge): Declare.
336         (cgraph_make_edge_direct): Likewise.
337         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
338         * ipa-prop.h (struct ipa_param_call_note): Removed.
339         (struct ipa_node_params): Removed field param_calls.
340         (ipa_create_all_structures_for_iinln): Declare.
341         * cgraph.c: Described indirect edges and uids in initial comment.
342         (cgraph_add_edge_to_call_site_hash): New function.
343         (cgraph_edge): Search also among the indirect edges, use
344         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
345         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
346         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
347         site hash.
348         (initialize_inline_failed): Assign a reason to indirect edges.
349         (cgraph_create_edge_1): New function.
350         (cgraph_create_edge): Moved some functionality to
351         cgraph_create_edge_1.
352         (cgraph_create_indirect_edge): New function.
353         (cgraph_edge_remove_callee): Add an assert checking for
354         non-indirectness.
355         (cgraph_edge_remove_caller): Special-case indirect edges.
356         (cgraph_remove_edge): Likewise.
357         (cgraph_set_edge_callee): New function.
358         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
359         (cgraph_make_edge_direct): New function.
360         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
361         the declaration of the call statement matches.
362         (cgraph_node_remove_callees): Special-case indirect edges.
363         (cgraph_clone_edge): Likewise.
364         (cgraph_clone_node): Clone also the indirect edges.
365         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
366         indirect_call, dump count of indirect_calls edges.
367         * ipa-prop.c (iinlining_processed_edges): New variable.
368         (ipa_note_param_call): Create indirect edges instead of
369         creating notes.  New parameter node.
370         (ipa_analyze_call_uses): New parameter node, pass it on to
371         ipa_note_param_call.
372         (ipa_analyze_stmt_uses): Likewise.
373         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
374         (print_edge_addition_message): Work on edges rather than on notes.
375         (update_call_notes_after_inlining): Likewise, renamed to
376         update_indirect_edges_after_inlining.
377         (ipa_create_all_structures_for_iinln): New function.
378         (ipa_free_node_params_substructures): Do not free notes.
379         (ipa_edge_duplication_hook): Propagate bits within
380         iinlining_processed_edges bitmap.
381         (ipa_node_duplication_hook): Do not duplicate notes.
382         (free_all_ipa_structures_after_ipa_cp): Renamed to
383         ipa_free_all_structures_after_ipa_cp.
384         (free_all_ipa_structures_after_iinln): Renamed to
385         ipa_free_all_structures_after_iinln.g
386         (ipa_write_param_call_note): Removed.
387         (ipa_read_param_call_note): Removed.
388         (ipa_write_indirect_edge_info): New function.
389         (ipa_read_indirect_edge_info): Likewise.
390         (ipa_write_node_info): Do not stream notes, do stream information
391         in indirect edges.
392         (ipa_read_node_info): Likewise.
393         (lto_ipa_fixup_call_notes): Removed.
394         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
395         * ipa-inline.c (pass_ipa_inline): Likewise.
396         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
397         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
398         * tree-inline.c (copy_bb): Removed an unnecessary double check for
399         is_gimple_call.
400         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
401         edges.
402         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
403         (output_cgraph): Stream also indirect edges.
404         (lto_output_edge): Added capability to stream indirect edges.
405         (input_edge): Likewise.
406         (input_cgraph_1): Likewise.
407         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
408         of indirect edges.
409
410 2010-04-28  Richard Guenther  <rguenther@suse.de>
411
412         PR tree-optimization/43879
413         PR tree-optimization/43909
414         * tree-ssa-structalias.c (struct variable_info): Add
415         only_restrict_pointers flag.
416         (new_var_info): Initialize it.  Increment stats.total_vars here.
417         (create_function_info_for): Do not increment stats.total_vars
418         here.
419         (get_function_part_constraint): Fix build with C++.
420         (insert_into_field_list): Remove.
421         (push_fields_onto_fieldstack): Properly merge fields.
422         (create_variable_info_for): Split and simplify.
423         (create_variable_info_for_1): New piece.
424         (intra_create_variable_infos): Properly make restrict constraints
425         from parameters.
426
427 2010-04-28  Richard Guenther  <rguenther@suse.de>
428
429         PR c++/43880
430         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
431         value-exprs.
432
433 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
434             Jan Hubicka <hubicka@ucw.cz>
435
436         * doc/invoke.texi (-Wsuggest-attribute=const,
437         -Wsuggest-attribute=pure): Document.
438         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
439         (function_always_visible_to_compiler_p,
440         suggest_attribute, warn_function_pure, warn_function_const):
441         New functions.
442         (check_call): Improve debug info.
443         (analyze_function): Do not check availability.
444         (add_new_function): Check availability.
445         (propagate): Output warnings.
446         (skip_function_for_local_pure_const): New function.
447         (local_pure_const): Use it; output warnings.
448         * common.opt (Wsuggest-attribute=const,
449         Wsuggest-attribute=pure): New.
450
451 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
452
453         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
454         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
455         or DW_CFA_def_cfa_offset{,_sf}.
456
457 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
458
459         * tree.h: Fix truncated long macros.
460
461 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
462
463         * collect2.c (TARGET_64BIT): Redefine to target's default.
464         * tlink.c: Likewise.
465         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
466         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
467         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
468         for underscoring __USER_LABEL_PREFIX__.
469         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
470         (SUB_LINK_ENTRY32): New.
471         (SUB_LINK_ENTRY64): New.
472         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
473         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
474         (SUB_LINK_ENTRY64): New.
475         (SUB_LINK_ENTRY): New.
476         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
477         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
478         x64 target is choosen.
479         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
480         * configure: Regenerated.
481         * configure.ac (leading-mingw64-underscores): Option added.
482
483 2010-04-27  Jan Hubicka  <jh@suse.cz>
484
485         * doc/invoke.texi (-fipa-profile): Document.
486         * opts.c (decode_options): Enable ipa-profile at -O1.
487         * timevar.def (TV_IPA_PROFILE): Define.
488         * common.opt (fipa-profile): Add.
489         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
490         flag for clones.
491         (cgraph_propagate_frequency): Handle only local ones.
492         * tree-pass.h (pass_ipa_profile): Declare.
493         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
494         (pass_ipa_profile): Use TV_IPA_PROFILE.
495         * ipa.c (ipa_profile): New function.
496         (gate_ipa_profile): Likewise.
497         (pass_ipa_profile): New global variable.
498         * passes.c (pass_ipa_profile): New.
499
500 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
501
502         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
503
504 2010-04-27  Martin Jambor  <mjambor@suse.cz>
505
506         PR middle-end/43812
507         * ipa.c (dissolve_same_comdat_group_list): New function.
508         (function_and_variable_visibility): Call
509         dissolve_same_comdat_group_list when comdat group contains external or
510         newly local nodes.
511         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
512         lists are circular and that they contain only DECL_ONE_ONLY nodes.
513
514 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
515
516         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
517         (const_hash_1) <VECTOR_CST>: New case.
518         (compare_constant) <VECTOR_CST>: Likewise.
519         <ADDR_EXPR>: Deal with LABEL_REFs.
520         (copy_constant) <VECTOR_CST>: New case.
521
522 2010-04-27  Jan Hubicka  <jh@suse.cz>
523
524         * cgraph.c (cgraph_propagate_frequency): New function.
525         * cgraph.h (cgraph_propagate_frequency): Declare.
526         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
527         cgraph_propagate_frequency.
528
529 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
530
531         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
532
533 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
534
535         PR target/40657
536         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
537         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
538         here to determine which regs to push and how much stack to reserve.
539
540 2010-04-27  Jie Zhang  <jie@codesourcery.com>
541
542         * doc/gimple.texi (gimple_statement_with_ops): Remove
543         addresses_taken field.
544         (gimple_statement_with_memory_ops): Likewise.
545
546 2010-04-27  Jan Hubicka  <jh@suse.cz>
547
548         * tree-inline.c (eni_inlining_weights): Remove.
549         (estimate_num_insns): Special case more builtins.
550
551 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
552
553         PR c/32207
554         * c-typeck.c (build_binary_op): Move forward check for comparison
555         pointer with null pointer constant and adjust the diagnostic message.
556
557 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
558
559         PR lto/42776
560         * configure.ac (gcc_cv_as_section_has_align): Set if installed
561         binutils supports extended .section directive needed by LTO, or
562         warn if older binutils found.
563         (LTO_BINARY_READER): New AC_SUBST'd variable.
564         (LTO_USE_LIBELF): Likewise.
565         * gcc/config.gcc (lto_binary_reader): New target-specific configure
566         variable.
567         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
568         (LTO_USE_LIBELF): Likewise.
569         * configure: Regenerate.
570
571         * collect2.c (is_elf): Rename from this ...
572         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
573          object files in addition to ELF-formatted ones.
574         (scan_prog_file): Caller updated.  Also allow for LTO info marker
575         symbol to be prefixed or not by an extra underscore.
576
577         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
578         * config/i386/winnt.c: Also #include lto-streamer.h
579         (i386_pe_asm_named_section): Specify 1-byte section alignment for
580         LTO named sections.
581         (i386_pe_asm_output_aligned_decl_common): Add comment.
582         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
583
584 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
585
586         PR target/43889
587         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
588         Add missing earlyclobber for second alternative.
589
590 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
591
592         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
593         bits for artificial defs at the top of the block.
594         * fwprop.c (single_def_use_enter_block): Don't call it.
595
596 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
597
598         PR 43715
599         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
600         instead of "$gcc_cv_objdump -T".
601         Use "-undefined dynamic_lookup" on darwin.
602         * gcc/configure: Regenerate.
603
604 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
605
606         PR c/43893
607         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
608
609 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
610
611         * c-parser.c (struct c_token): Move location field up.
612         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
613         (struct c_declspecs): Convert typespec_word, storage_class, and
614         default_int_p into bitfields.
615         (struct c_declarator): Move loc field up.
616
617 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
618
619         * cfgloop.h (struct loop): Move can_be_parallel field up.
620         * ipa-prop.h (struct ip_node_params): Move bitfields up.
621         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
622         down.
623         (struct iv_cand): Convert pos field into a bitfield.
624         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
625         field up.
626         (struct _stmt_vec_info): Shuffle fields for better packing.
627
628 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
629
630         * varasm.c (IN_NAMED_SECTION): Remove guard.
631         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
632         (IN_NAMED_SECTION_P): ...this.
633         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
634         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
635
636 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
637
638         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
639         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
640         of shadowing it.  Fix comments.
641
642 2010-04-26  Jan Hubicka  <jh@suse.cz>
643
644         * cgraph.c (cgraph_create_node): Set node frequency to normal.
645         (cgraph_clone_node): Copy function frequency.
646         * cgraph.h (node_frequency): New enum
647         (struct cgraph_node): Add.
648         * final.c (rest_of_clean_state): Update.
649         * lto-cgraph.c (lto_output_node): Output node frequency.
650         (input_overwrite_node): Input node frequency.
651         * tre-ssa-loop-ivopts (computation_cost): Update.
652         * lto-streamer-out.c (output_function): Do not output function
653         frequency.
654         * predict.c (maybe_hot_frequency_p): Update and handle functions
655         executed once.
656         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
657         attribute lookup.
658         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
659         (compute_function_frequency): Set noreturn functions to be executed
660         once.
661         (choose_function_section): Update.
662         * lto-streamer-in.c (input_function): Do not input function frequency.
663         * function.c (allocate_struct_function): Do not initialize function
664         frequency.
665         * function.h (function_frequency): Remove.
666         (struct function): Remove function frequency.
667         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
668         (try_update): Update.
669         * tree-inline.c (initialize_cfun): Do not update function frequency.
670         * passes.c (pass_init_dump_file): Update.
671         * i386.c (ix86_compute_frame_layout): Update.
672         (ix86_pad_returns): Update.
673
674 2010-04-26  Jie Zhang  <jie@codesourcery.com>
675
676         PR tree-optimization/43833
677         * tree-vrp.c (range_int_cst_p): New.
678         (range_int_cst_singleton_p): New.
679         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
680         when both operands are constants.  Use range_int_cst_p in
681         BIT_IOR_EXPR case.
682
683 2010-04-26  Jan Hubicka  <jh@suse.cz>
684
685         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
686
687 2010-04-26  Richard Guenther  <rguenther@suse.de>
688
689         PR lto/43080
690         * gimple.c (gimple_decl_printable_name): Deal gracefully
691         with a NULL DECL_NAME.
692
693 2010-04-26  Richard Guenther  <rguenther@suse.de>
694
695         PR lto/42425
696         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
697         if emitting debug information and it is either a function
698         or a namespace decl.
699
700 2010-04-26  Ira Rosen  <irar@il.ibm.com>
701
702         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
703         determine if the statement is vectorizable, and a macro to access it.
704         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
705         Skip statements that can't be vectorized. If the analysis fails,
706         mark the statement as unvectorizable if vectorizing basic block.
707         (vect_compute_data_refs_alignment): Likewise.
708         (vect_verify_datarefs_alignment): Skip statements marked as
709         unvectorizable. Add print.
710         (vect_analyze_group_access): Skip statements that can't be
711         vectorized. If the analysis fails, mark the statement as
712         unvectorizable if vectorizing basic block.
713         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
714         * tree-vect-stmts.c (vectorizable_store): Fix the number of
715         generated stmts for SLP.
716         (new_stmt_vec_info): Initialize the new field.
717         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
718         statements marked as unvectorizable.
719
720 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
721
722         * c-common.c (flag_isoc1x): New.
723         (flag_isoc99): Update comment.
724         * c-common.h (flag_isoc1x): New.
725         (flag_isoc99): Update comment.
726         * c-cppbuiltin.c (builtin_define_float_constants): Also define
727         __<type>_DECIMAL_DIG__.
728         * c-opts.c (set_std_c1x): New.
729         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
730         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
731         * c.opt (-std=c1x, -std=gnu1x): New options.
732         * doc/cpp.texi: Mention -std=c1x.
733         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
734         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
735         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
736         * doc/standards.texi: Mention C1X.
737         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
738         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
739         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
740         Define for C1X.
741
742 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
743
744         * config/i386/gmon-sol2.c (_mcleanup): Change format string
745         placeholder from 0x%x to %#x.
746         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
747         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
748         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
749         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
750         * config/i386/i386.c (ix86_target_string): Ditto.
751         (output_pic_addr_const): Ditto.
752         (print_operand): Ditto.
753
754 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
755
756         * combine.c (find_split_point): Add third argument.  Use it
757         to find nested multiply-accumulate instructions.  Adjust calls.
758         (try_combine): Adjust call to find_split_point.
759
760 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
761
762         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
763
764 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
765
766         PR tree-optimization/41442
767         * fold-const.c (merge_truthop_with_opposite_arm): New function.
768         (fold_binary_loc): Call it.
769
770 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
771
772         * toplev.c (general_init): Set default for fdiagnostics-show-option.
773         * opts.c (common_handle_option): Allow disabling it.
774         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
775
776 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
777
778         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
779         between modes if both types are integral.
780
781 2010-04-23  Richard Guenther  <rguenther@suse.de>
782
783         PR tree-optimization/43572
784         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
785
786 2010-04-23  Richard Guenther  <rguenther@suse.de>
787
788         PR lto/43455
789         * tree-inline.c (tree_can_inline_p): Also check compatibility
790         of return types.
791
792 2010-04-23  Martin Jambor  <mjambor@suse.cz>
793
794         PR tree-optimization/43846
795         * tree-sra.c (struct access): New flag grp_assignment_read.
796         (build_accesses_from_assign): Set grp_assignment_read.
797         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
798         (enum mark_read_status): New type.
799         (analyze_access_subtree): Propagate grp_assignment_read, create
800         accesses also if both direct_read and root->grp_assignment_read.
801
802 2010-04-23  Martin Jambor  <mjambor@suse.cz>
803
804         PR middle-end/43835
805         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
806         function does not have type attributes.
807
808 2010-04-23  Richard Guenther  <rguenther@suse.de>
809
810         PR lto/42653
811         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
812         of FUNCTION_DECLs.
813
814 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
815
816         * sese.h (create_if_region_on_edge): Remove.
817
818         * sese.c (create_if_region_on_edge): Make static.
819
820         * tree-inline.c: Do not include ggc.h.
821
822         * expr.c: Do not include ggc.h.
823
824         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
825         dependencies.
826
827 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
828
829         PR target/43744
830         * config/sh/sh.c (find_barrier): Don't emit a constant pool
831         in the middle of insns for casesi_worker_2.
832
833 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
834
835         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
836
837 2010-04-22  Ira Rosen  <irar@il.ibm.com>
838
839         PR tree-optimization/43842
840         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
841         loop unrolling in update of exit phis. Fix comment.
842         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
843         least two reduction statements in the loop before starting SLP
844         analysis.
845
846 2010-04-22  Nick Clifton  <nickc@redhat.com>
847
848         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
849
850 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
851
852         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
853         to simplify a + ~a.
854
855 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
856
857         * tree-parloops.c (loop_parallel_p): New argument
858         parloop_obstack.  Pass it down.
859         (parallelize_loops): New variable parloop_obstack.  Initialize it,
860         pass it down, free it.
861
862         * tree-loop-linear.c (linear_transform_loops): Pass down
863         lambda_obstack.
864
865         * tree-data-ref.h (lambda_compute_access_matrices): New argument
866         of type struct obstack *.
867
868         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
869         scratch_obstack.  Initialize it, pass down, free it.
870
871         * lambda.h (lambda_loop_new): Remove.
872         (lambda_matrix_new, lambda_matrix_inverse)
873         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
874         argument of type struct obstack *.
875
876         * lambda-trans.c (lambda_trans_matrix_new): New argument
877         lambda_obstack.  Pass it down, use obstack allocation for ret.
878         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
879         it down.
880
881         * lambda-mat.c (lambda_matrix_get_column)
882         (lambda_matrix_project_to_null): Remove.
883         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
884         allocation for mat.
885         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
886         lambda_obstack.
887
888         * lambda-code.c (lambda_loop_new): New function.
889         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
890         (lambda_compute_auxillary_space, lambda_compute_target_space)
891         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
892         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
893         (build_access_matrix): New argument lambda_obstack.  Use obstack
894         allocation for am.
895         (lambda_compute_step_signs, lambda_compute_access_matrices): New
896         argument lambda_obstack.  Pass it down.
897
898 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
899
900         * optabs.h (expand_widening_mult): Declare.
901
902 2010-04-22  Richard Guenther  <rguenther@suse.de>
903
904         PR tree-optimization/43845
905         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
906         lookup the CALL_EXPR function and arguments.
907
908 2010-04-22  Nick Clifton  <nickc@redhat.com>
909
910         * config/stormy16/stormy16.c
911         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
912         * config/stormy16/stormy16.h: Tidy up formatting.
913         (DONT_USE_BUILTIN_SETJMP): Remove definition.
914         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
915         (ineqbranchsi): Delete pattern.
916         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
917         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
918         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
919         stormy16-lib2-ucmpsi2.c.
920
921 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
922
923         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
924         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
925         extra set merge_set_noclobber, and use it to relax the final test
926         slightly.
927         * df.h (df_simulate_find_noclobber_defs): Declare.
928         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
929         conditional defs.
930         (df_simulate_find_noclobber_defs): New function.
931
932 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
933
934         * config/i386/i386.md: Use {} around multi-line preparation statements.
935
936 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
937
938         * c-tree.h (push_init_level, pop_init_level, set_init_index)
939         (process_init_element): New argument of type struct obstack *.
940
941         * c-typeck.c (push_init_level, pop_init_level, set_designator)
942         (set_init_index, set_init_label, set_nonincremental_init)
943         (set_nonincremental_init_from_string, find_init_member)
944         (output_init_element, output_pending_init_elements)
945         (process_init_element): New argument braced_init_obstack.  Pass it
946         down.
947         (push_range_stack, add_pending_init): New argument
948         braced_init_obstack.  Use obstack allocation.
949
950         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
951         braced_init_obstack.  Pass it down.
952         (c_parser_braced_init): New variables ret, braced_init_obstack.
953         Initialize obstack, pass it down and finally free it.
954
955 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
956
957         PR middle-end/29274
958         * tree-pass.h (pass_optimize_widening_mul): Declare.
959         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
960         gate_optimize_widening_mul): New static functions.
961         (pass_optimize_widening_mul): New.
962         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
963         <case MULT_EXPR>: Remove support for widening multiplies.
964         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
965         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
966         simplify_gen_unary rather than directly building extensions.
967         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
968         WIDEN_MULT_EXPR.
969         * expmed.c (expand_widening_mult): New function.
970         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
971
972 2010-04-21  Jan Hubicka  <jh@suse.cz>
973
974         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
975         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
976         * lto-wpa-fixup.c: Remove.
977         * Makefile.in (lto-wpa-fixup.o): Remove.
978         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
979         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
980         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
981
982 2010-04-21  Jan Hubicka  <jh@suse.cz>
983
984         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
985         add write_optimization_summary, read_optimization_summary.
986         (ipa_write_summaries_of_cgraph_node_set): Remove.
987         (ipa_write_optimization_summaries): Declare.
988         (ipa_read_optimization_summaries): Declare.
989         * ipa-cp.c (pass_ipa_cp): Update.
990         * ipa-reference.c (pass_ipa_reference): Update.
991         * ipa-pure-const.c (pass_ipa_pure_const): Update.
992         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
993         Update.
994         * ipa-inline.c (pass_ipa_inline): Update.
995         * ipa.c (pass_ipa_whole_program): Update.
996         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
997         * passes.c (ipa_write_summaries_1): Do not test wpa.
998         (ipa_write_optimization_summaries_1): New.
999         (ipa_write_optimization_summaries): New.
1000         (ipa_read_summaries): Do not test ltrans.
1001         (ipa_read_optimization_summaries_1): New.
1002         (ipa_read_optimization_summaries): New.
1003
1004 2010-04-21  Jan Hubicka  <jh@suse.cz>
1005
1006         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1007         for boundary nodes.
1008         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1009
1010 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1011
1012         PR debug/40040
1013         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1014         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1015
1016 2010-04-21  Jan Hubicka  <jh@suse.cz>
1017
1018         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1019
1020 2010-04-21  Jan Hubicka  <jh@suse.cz>
1021
1022         * varpool.c (decide_is_variable_needed): Variable is always needed
1023         during ltrans.
1024
1025 2010-04-21  Jan Hubicka  <jh@suse.cz>
1026
1027         * opts.c (decode_options): Enable pure-const pass for whopr.
1028
1029 2010-04-21  Jan Hubicka  <jh@suse.cz>
1030
1031         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1032         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1033         at WPA dumping.
1034         (cgraph_decide_inlining): Do not expect callee to be removed in all
1035         cases.
1036
1037 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1038
1039         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1040
1041 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1044         amdfam10_decode attributes.
1045
1046 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR middle-end/43570
1049         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1050         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1051         (lower_copyprivate_clauses): Use private var in outer
1052         context instead of original var.  Make sure the types
1053         are correct for VLAs.
1054
1055 2010-04-21  Richard Guenther  <rguenther@suse.de>
1056
1057         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1058         to non-pointer objects.
1059
1060 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1061
1062         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1063         last chain entry if it starts with the still current label.
1064         (add_location_or_const_value_attribute): Check that
1065         loc_list->first->next is NULL instead of comparing ->first with ->last.
1066         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1067         to add_var_loc_to_decl.
1068
1069         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1070         >= 4 add also address size and segment size fields into CIE header.
1071
1072         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1073         long as address size is the same as sizeof (void *) and
1074         segment size is 0.
1075         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1076         address size or segment size is unexpected, return DW_EH_PE_omit.
1077         (classify_object_over_fdes): If get_cie_encoding returned
1078         DW_EH_PE_omit, return -1.
1079         (init_object): If classify_object_over_fdes returned -1,
1080         pretend there were no FDEs at all.
1081
1082 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1083
1084         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1085         bswap{si,di}2 using SWI48 mode iterator.
1086         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1087         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1088         set modrm attribute of bswap insn to 0 and remove length attribute.
1089         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1090         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1091         set mode attribute to <MODE> and remove length attribute.
1092
1093 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1094
1095         PR rtl-optimization/43520
1096         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1097         zero available registers.
1098
1099 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1100
1101         * builtins.c (fold_builtin_cproj): Fold more cases.
1102
1103 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1104
1105         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1106         (fold_builtin_1): Fold builtin cproj.
1107         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1108         Use ATTR_CONST_NOTHROW_LIST.
1109
1110 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1111
1112         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1113         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1114         ffsi2_no_cmove for !TARGET_CMOVE.
1115         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1116         (ffssi2): Remove expander.
1117         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1118         mode iterator.
1119         (ctz<mode>2): Ditto from ctz{si,di}2.
1120         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1121         mode iterator.
1122         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1123         mode iterator.
1124
1125 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1126
1127         * dwarf2out.c (AT_linkage_name): Define.
1128         (clone_as_declaration): Handle DW_AT_linkage_name.
1129         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1130         of DW_AT_MIPS_linkage_name.
1131         (move_linkage_attr): Likewise.
1132         (dwarf2out_finish): Likewise.
1133
1134 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1135
1136         PR middle-end/41952
1137         * fold-const.c (fold_comparison): New folding rule.
1138
1139 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1140
1141         * double-int.h (double_int_setbit): Declare.
1142         * double-int.c (double_int_setbit): New function.
1143         * rtl.h (immed_double_int_const): Declare.
1144         * emit-rtl.c (immed_double_int_const): New function.
1145         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1146         and immed_double_int_const functions.
1147         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1148         expand_copysign_bit):  (Ditto.).
1149         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1150         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1151         * dojump.c (prefer_and_bit_test): (Ditto.).
1152         * expr.c (convert_modes, reduce_to_bit_field_precision,
1153         const_vector_from_tree): (Ditto.).
1154         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1155
1156 2010-04-20  Jan Hubicka  <jh@suse.cz>
1157
1158         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1159         (dump_cgraph_node): Dump new flags.
1160         * cgraph.h (struct cgraph_node): Add flags
1161         reachable_from_other_partition and in_other_partition.
1162         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1163         other partition can not be removed.
1164         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1165         the other partition must be output; silence sanity checking on
1166         leaking functions bodies from other paritition.
1167         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1168         (lto_output_node): Output new flags; do not sanity check that inline
1169         clones are output; drop lto_forced_extern_inline_p code; do not mock
1170         visibility flags at partition boundaries.
1171         (add_node_to): New function.
1172         (output_cgraph): Use it to sort functions so masters appear before
1173         clones.
1174         (input_overwrite_node): Input new flags.
1175         * passes.c (ipa_write_summaries): Do not call
1176         lto_new_extern_inline_states.
1177         * lto-section-out.c (forced_extern_inline,
1178         lto_new_extern_inline_states lto_delete_extern_inline_states,
1179         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1180         * lto-streamer.h (lto_new_extern_inline_states,
1181         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1182         lto_forced_extern_inline_p): Kill.
1183
1184 2010-04-20  Richard Guenther  <rguenther@suse.de>
1185
1186         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1187         from vars that can have pointers.
1188         (process_constraint): Dump useless constraints.
1189
1190 2010-04-20  Richard Guenther  <rguenther@suse.de>
1191
1192         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1193         (dump_sa_points_to_info): Remove asserts.
1194         (init_base_vars): nothing_id isn't an escape point nor does it
1195         have pointers.
1196
1197 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1198
1199         * tree.h (TYPE_REF_IS_RVALUE): Define.
1200         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1201         should_move_die_to_comdat, prune_unused_types_walk): Handle
1202         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1203         (modified_type_die, gen_reference_type_die): Emit
1204         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1205         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1206
1207 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1208
1209         PR target/43635
1210         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1211         calls for -fpic -m31 if they have been sibcall optimized.
1212
1213 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1214
1215         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1216         ar.lc fixed and call-used.
1217
1218         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1219
1220 2010-04-19  Jan Hubicka  <jh@suse.cz>
1221
1222         * opts.c (decode_options): Disable whpr incompatible passes.
1223         * lto/lto.c (lto_1_to_1_map): Skip clones.
1224         (read_cgraph_and_symbols): Do not mark everything as needed.
1225         (do_whole_program_analysis): Do map only after optimizing;
1226         set proper cgraph_state; use passmanager.
1227
1228 2010-04-19  DJ Delorie  <dj@redhat.com>
1229
1230         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1231         POINTER_PLUS_EXPR and fix them.
1232
1233 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1234
1235         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1236         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1237         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1238         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1239         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1240         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1241         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1242         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1243         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1244         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1245         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1246
1247 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1248
1249         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1250         (check_cond_move_block): Likewise.
1251         (cond_move_process_if_block): Likewise.
1252         (noce_find_if_block): Improve formatting.
1253         (find_if_header): Pass 0 to memset and tweak conditions.
1254         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1255
1256 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1257
1258         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1259         for -gdwarf-4.
1260
1261         PR middle-end/43337
1262         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1263         with non-local decl doesn't need chain.
1264
1265 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1266
1267         * ira-color.c (allocno_reload_assign): Avoid accumulating
1268         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1269
1270 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1271
1272         * gimple.h (create_tmp_reg): Declare.
1273         * gimplify.c (create_tmp_reg): New function.
1274         (gimplify_return_expr): Use create_tmp_reg.
1275         (gimplify_omp_atomic): Likewise.
1276         (gimple_regimplify_operands): Likewise.
1277         * tree-dfa.c (make_rename_temp): Likewise.
1278         * tree-predcom.c (predcom_tmp_var): Likewise.
1279         (reassociate_to_the_same_stmt): Likewise.
1280         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1281         (get_replaced_param_substitute): Likewise.
1282         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1283         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1284         * tree-ssa-pre.c (get_representative_for): Likewise.
1285         (create_expression_by_pieces): Likewise.
1286         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1287         (create_tailcall_accumulator): Likewise.
1288
1289 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1290
1291         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1292         new_stmt.
1293         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1294
1295 2010-04-19  Richard Guenther  <rguenther@suse.de>
1296
1297         PR tree-optimization/43796
1298         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1299         from SCEV in the lattice.
1300         (vrp_visit_phi_node): Dump change.
1301
1302 2010-04-19  Richard Guenther  <rguenther@suse.de>
1303
1304         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1305         * configure: Re-generated.
1306
1307 2010-04-19  Richard Guenther  <rguenther@suse.de>
1308
1309         PR tree-optimization/43783
1310         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1311         constant ARRAY_REF operands two and three if possible.
1312
1313 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1314
1315         PR target/43766
1316         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1317
1318 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1319
1320         PR target/43662
1321         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1322
1323 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1324
1325         PR tree-optimization/37027
1326         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1327         and macro to access it.
1328         (vectorizable_reduction): Add argument.
1329         (vect_get_slp_defs): Likewise.
1330         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1331         statements for possible use in SLP.
1332         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1333         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1334         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1335         add new argument.
1336         (vectorizable_reduction): Likewise.
1337         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1338         vect_get_slp_defs.
1339         (vectorizable_type_demotion, vectorizable_type_promotion,
1340         vectorizable_store): Likewise.
1341         (vect_analyze_stmt): Update call to vectorizable_reduction.
1342         (vect_transform_stmt): Likewise.
1343         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1344         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1345         from different interleaving chains in same node.
1346         (vect_slp_rearrange_stmts): New function.
1347         (vect_supported_load_permutation_p): Allow load permutations for
1348         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1349         inside SLP nodes if necessary.
1350         (vect_analyze_slp_instance): Handle reductions.
1351         (vect_analyze_slp): Try to build SLP instances originating from groups
1352         of reductions.
1353         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1354         (vect_get_constant_vectors): Create initial vectors for reductions
1355         according to reduction code. Add new argument.
1356         (vect_get_slp_defs): Add new argument, pass it to
1357         vect_get_constant_vectors.
1358         (vect_schedule_slp_instance): Remove SLP tree root statements.
1359
1360 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1361
1362         * tree.h (ENUM_IS_SCOPED): Define.
1363         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1364         for ENUM_IS_SCOPED enums.
1365
1366 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1367
1368         * fold-const.c (fold_comparison): Use ssizetype.
1369         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1370         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1371         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1372         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1373
1374         * tree.h (initialize_sizetypes): Remove parameter.
1375         (build_common_tree_nodes): Remove second parameter.
1376         * stor-layout.c (initialize_sizetypes): Remove parameter.
1377         Always create an unsigned type.
1378         (set_sizetype): Assert that the passed type is unsigned and simplify.
1379         * tree.c (build_common_tree_nodes): Remove second parameter.
1380         Adjust call to initialize_sizetypes.
1381         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1382         build_common_tree_nodes.
1383
1384 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1385
1386         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1387
1388 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1389
1390         PR tree-optimization/43771
1391         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1392         load permutation doesn't have gaps.
1393
1394 2010-04-18  Jan Hubicka  <jh@suse.cz>
1395
1396         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1397         (sse_prologue_save_insn expander): Use new pattern.
1398         (sse_prologue_save_insn1): New pattern and splitter.
1399         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1400         blocks.
1401         * i386.c (setup_incoming_varargs_64): Do not compute jump
1402         destination here.
1403         (ix86_gimplify_va_arg): Update alignment needed.
1404         (ix86_local_alignment): Do not align all local arrays to 128bit.
1405
1406 2010-04-17  Jan Hubicka  <jh@suse.cz>
1407
1408         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1409
1410 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1411
1412         * arm.md (negdi2): Remove redundant code to force values into a
1413         register.
1414
1415 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1416
1417         * arm/bpabi.S: Add EABI alignment attributes to objects.
1418         * arm/bpabi-v6m.S: Likewise.
1419         * arm/crti.asm: Likewise.
1420         * arm/crtn.asm: Likewise.
1421         * arm/lib1funcs.asm: Likewise.
1422         * arm/libunwind.S: Likewise.
1423
1424 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1425
1426         * arm-protos.h (tune_params): New structure.
1427         * arm.c (current_tune): New variable.
1428         (arm_constant_limit): Delete.
1429         (struct processors): Add pointer to the tune parameters.
1430         (arm_slowmul_tune): New tuning option.
1431         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1432         (all_cores): Adjust to pick up the tuning model.
1433         (arm_constant_limit): New function.
1434         (arm_override_options): Select the appropriate tuning model.  Delete
1435         initialization of arm_const_limit.
1436         (arm_split_constant): Use the new constant-limit model.
1437         (arm_rtx_costs): Pick up the current tuning model.
1438         * arm.md (is_strongarm, is_xscale): Delete.
1439         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1440         for Xscale variant architectures.
1441         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1442
1443 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1444
1445         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1446         can_shift.
1447         (arm_rtx_costs_1): Remove unused variable extra_cost.
1448         (arm_unwind_emit_set): Use variable offset.
1449         (thumb1_output_casesi): Remove unused variable flags.
1450
1451 2010-04-16  Jeff Law  <law@redhat.com>
1452
1453         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1454         needing assignment rather than doing a two-phase assignment.  Remove
1455         unused variable 'm'.
1456
1457 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1458
1459         PR bootstrap/43767
1460         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1461
1462 2010-04-16  Doug Kwan  <dougkwan@google.com>
1463
1464         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1465         (next_operand_entry_id): New static variable.
1466         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1467         (add_to_ops_vec): Assigned unique ID to operand entry.
1468         (struct oecount_s): New field ID.
1469         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1470         (undistribute_ops_list): Assign unique IDs to oecounts.
1471         (init_reassoc): reset next_operand_entry_id.
1472
1473 2010-04-16  Doug Kwan  <dougkwan@google.com>
1474
1475         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1476         missing left parenthesis.
1477
1478 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1479
1480         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1481         *btdi_rex64 using SWI48 mode iterator.
1482         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1483         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1484         *jcc_btdi_mask_rex64.
1485
1486 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1487
1488         * double-int.h (tree_to_double_int): Convert to macro.
1489         * double-int.c (tree_to_double_int): Remove.
1490
1491 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1492
1493         PR debug/43762
1494         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1495         with want_address 2 and in case a single element list might be
1496         possible, call it again with want_address 0.
1497
1498 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1499
1500         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1501         case 'W' print operands for HI mode.
1502         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1503         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1504         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1505         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1506
1507         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1508
1509         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1510         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1511         #xx:3 and #xx:4 mode.
1512
1513         * config/h8300/h8300.md (inverted load with HImode dest): Add
1514         support for H8300SX.
1515
1516         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1517         satisfy 'U' constraint.
1518
1519 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1520
1521         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1522         * configure: Regenerate.
1523         * config.in: Regenerate.
1524         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1525         works.
1526
1527 2010-04-16  Richard Guenther  <rguenther@suse.de>
1528
1529         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1530         (struct tree_decl_common): ... here.
1531         (DECL_PT_UID): Adjust.
1532         (SET_DECL_PT_UID): Likewise.
1533         (DECL_PT_UID_SET_P): Likewise.
1534
1535 2010-04-16  Richard Guenther  <rguenther@suse.de>
1536
1537         PR tree-optimization/43572
1538         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1539         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1540         * tree-flow.h (is_call_clobbered): Remove.
1541         * tree-flow-inline.h (is_call_clobbered): Likewise.
1542         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1543         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1544         (execute_return_slot_opt): Adjust.
1545         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1546         check for call clobbered vars here.
1547         (find_tail_calls): Move tailcall verification to the
1548         proper place.
1549
1550 2010-04-16  Diego Novillo  <dnovillo@google.com>
1551
1552         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1553
1554 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1555
1556         PR target/40603
1557         * config/arm/arm.md (cbranchqi4): New pattern.
1558         * config/arm/predicates.md (const0_operand,
1559         cbranchqi4_comparison_operator): New predicates.
1560
1561 2010-04-16  Richard Guenther  <rguenther@suse.de>
1562
1563         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1564         (dump_gimple_stmt): Likewise.
1565
1566 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1567
1568         * recog.h (struct recog_data): New field is_operator.
1569         (struct insn_operand_data): New field is_operator.
1570         * recog.c (extract_insn): Set recog_data.is_operator.
1571         * genoutput.c (output_operand_data): Emit code to set the
1572         is_operator field.
1573         * reload.c (find_reloads): Use it rather than testing for an
1574         empty constraint string.
1575
1576         PR target/41514
1577         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1578         If the previous insn is a cbranchsi4_insn with the same arguments,
1579         omit the compare instruction.
1580
1581         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1582         register, inputs must be low registers and we need a low register
1583         scratch.  Handle alternative 2 like alternative 3.
1584
1585 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1586
1587         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1588         don't call get_addr on both.  If one expression is a VALUE and
1589         the other a REG, check VALUE's locs if the REG isn't among them.
1590
1591 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1592
1593         * config/sh/sh.h (sh_frame_pointer_required): New function.
1594         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1595         (flag_omit_frame_pointer) Set.
1596         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1597         (rounded_frame_size): Adjust size with outgoing_args_size.
1598         (sh_set_return_address): Must return from stack pointer.
1599         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1600         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1601         (ACCUMULATE_OUTGOING_ARGS): Define.
1602         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1603         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1604
1605 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1606
1607         PR target/43471
1608         * config/sh/sh.c (sh_legitimize_reload_address): Use
1609         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1610         Remove a unneeded check for offset_base.
1611
1612 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1613
1614         * configure: Regenerated.
1615
1616 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1617
1618         * config/s390/s390.c (s390_call_save_register_used): Switch back
1619         to HARD_REGNO_NREGS.
1620
1621 2010-04-15  Richard Guenther  <rguenther@suse.de>
1622
1623         * alias.c (alias_set_subset_of): Handle alias-set zero
1624         child properly.
1625
1626 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1627             Julian Brown  <julian@codesourcery.com>
1628
1629         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1630         alternatives according to use of high and low regs.
1631         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1632         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1633         optimizing for size on Thumb-2.
1634
1635 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1636
1637         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1638
1639 2010-04-15  Richard Guenther  <rguenther@suse.de>
1640
1641         * tree-ssa-structalias.c (struct variable_info): Add
1642         is_fn_info flag.
1643         (new_var_info): Initialize it.
1644         (dump_constraints): Support printing last added constraints.
1645         (debug_constraints): Adjust.
1646         (dump_constraint_graph): Likewise.
1647         (make_heapvar_for): Check for NULL cfun.
1648         (get_function_part_constraint): New function.
1649         (get_fi_for_callee): Likewise.
1650         (find_func_aliases): Properly implement IPA PTA constraints.
1651         (process_ipa_clobber): New function.
1652         (find_func_clobbers): Likewise.
1653         (insert_into_field_list_sorted): Remove.
1654         (create_function_info_for): Properly allocate vars for IPA mode.
1655         Do not use insert_into_field_list_sorted.
1656         (create_variable_info_for): Properly generate constraints for
1657         global vars in IPA mode.
1658         (dump_solution_for_var): Always dump the solution.
1659         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1660         (find_what_var_points_to): Adjust.
1661         (pt_solution_set): Change.
1662         (pt_solution_ior_into): New function.
1663         (pt_solution_empty_p): Export.
1664         (pt_solution_includes_global): Adjust.
1665         (pt_solution_includes_1): Likewise.
1666         (pt_solutions_intersect_1): Likewise.
1667         (dump_sa_points_to_info): Check some invariants.
1668         (solve_constraints): Move constraint dumping ...
1669         (compute_points_to_sets): ... here.
1670         (ipa_pta_execute): ... and here.
1671         (compute_may_aliases): Do not re-compute points-to info
1672         locally if IPA info is available.
1673         (ipa_escaped_pt): New global var.
1674         (ipa_pta_execute): Properly implement IPA PTA.
1675         * tree-into-ssa.c (dump_decl_set): Support dumping
1676         decls not in referenced-vars.
1677         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1678         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1679         (dump_points_to_solution): Likewise.
1680         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1681         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1682         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1683         (copy_decl_to_var): Copy DECL_PT_UID.
1684         (copy_result_decl_to_var): Likewise.
1685         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1686         (copy_node_stat): Copy it.
1687         * tree.h (DECL_PT_UID): New macro.
1688         (SET_DECL_PT_UID): Likewise.
1689         (DECL_PT_UID_SET_P): Likewise.
1690         (struct tree_decl_minimal): Add pt_uid member.
1691         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1692         (pt_solution_empty_p): Declare.
1693         (pt_solution_set): Adjust.
1694         (ipa_escaped_pt): Declare.
1695         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1696         * gimple-pretty-print.c (pp_points_to_solution): New function.
1697         (dump_gimple_call): Dump call clobber/use information.
1698         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1699         * tree-pass.h (TDF_ALIAS): New dump option.
1700         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1701         * doc/invoke.texi (-fipa-pta): Update documentation.
1702
1703 2010-04-15  Richard Guenther  <rguenther@suse.de>
1704
1705         * Makefile.in (OBJS-common): Add gimple-fold.o.
1706         (gimple-fold.o): New rule.
1707         * tree.h (maybe_fold_offset_to_reference,
1708         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1709         prototypes ...
1710         * gimple.h: ... here.
1711         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1712         may_propagate_address_into_dereference): Move prototypes ...
1713         * gimple.h: ... here.
1714         * tree-ssa-ccp.c (get_symbol_constant_value,
1715         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1716         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1717         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1718         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1719         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1720         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1721         gimplify_and_update_call_from_tree): Move ...
1722         * gimple-fold.c: ... here.  New file.
1723         (ccp_fold_builtin): Rename to ...
1724         (gimple_fold_builtin): ... this.
1725         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1726
1727 2010-04-15  Richard Guenther  <rguenther@suse.de>
1728
1729         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1730         fit_double_type, force_fit_type_double, add_double_with_sign,
1731         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1732         lrotate_double, rrotate_double, div_and_round_double): Move ...
1733         * double-int.c: ... here.
1734         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1735         add_double, neg_double, mul_double_with_sign, mul_double,
1736         lshift_double, rshift_double, lrotate_double, rrotate_double,
1737         div_and_round_double): Move prototypes ...
1738         * double-int.h: ... here.
1739
1740 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1741
1742         PR target/43742
1743         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1744         matching constraints to ensure inputs match the output.
1745
1746 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1747
1748         PR target/43742
1749         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1750         in an input-only operand.
1751
1752 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1753
1754         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1755         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1756         (double_int_negative_p): Convert to static inline function.
1757         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1758         (double_int_negative_p): Remove.
1759         * tree.h (lshift_double, rshift_double):
1760         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1761         * fold-const.c (fold_convert_const_int_from_real,
1762         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1763         (lshift_double): Change type of arith argument to bool.
1764         (rshift_double): Change type of arith argument to bool. Correct
1765         comment.
1766         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1767
1768 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1769
1770         PR target/21803
1771         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1772         at the start and end of the then/else blocks, and omit them from the
1773         conversion.
1774         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1775         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1776         (flow_find_head_matching_sequence): New function.
1777         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1778         * basic-block.h (flow_find_cross_jump,
1779         flow_find_head_matching_sequence): Declare functions.
1780
1781 2010-04-14  Jason Merrill  <jason@redhat.com>
1782
1783         PR c++/36625
1784         * c-common.c (attribute_takes_identifier_p): New fn.
1785         * c-common.h: Declare it.
1786
1787 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1788
1789         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1790         splitter condition.
1791         (*udivmod<mode>4): Ditto.
1792
1793 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1794
1795         * config/i386/i386.md (maxmin_int): Rename code attribute from
1796         maxminiprefix and update all users.
1797         (maxmin_float): Ditto from maxminfprefix.
1798         (logic): Ditto from logicprefix.
1799         (absneg_mnemonic): Ditto from absnegprefix.
1800         * config/i386/mmx.md: Update all users of maxminiprefix,
1801         maxminfprefix and logicprefix for rename.
1802         * config/i386/sse.md: Ditto.
1803         * config/i386/sync.md (sync_<code><mode>): Update for
1804         logicprefix rename.
1805
1806 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1807
1808         PR 42966
1809         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1810         warnings converted to errors.
1811
1812 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1813
1814         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1815         used insn_type variable.
1816         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1817         to avoid set-but-not-used warning.
1818
1819 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1820
1821         * df-core.c (df_ref_debug): Change format string placeholder
1822         from 0x%x to %#x.
1823         * dwarf2asm.c (dw2_asm_output_data_raw,
1824         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1825         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1826         * dwarf2out.c (output_cfi, output_cfi_directive,
1827         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1828         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1829         Ditto.
1830         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1831         * print-rtl.c (print_rtx): Ditto.
1832
1833 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1834
1835         PR middle-end/42694
1836         * builtins.c (expand_builtin_pow_root): New function to expand pow
1837         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1838         series of sqrt and cbrt calls under -ffast-math.
1839         (expand_builtin_pow): Call it.
1840
1841 2010-04-14  Michael Matz  <matz@suse.de>
1842
1843         PR tree-optimization/42963
1844         * tree-cfg.c (touched_switch_bbs): New static variable.
1845         (group_case_labels_stmt): New function broken out from ...
1846         (group_case_labels): ... here, use the above.
1847         (start_recording_case_labels): Allocate touched_switch_bbs.
1848         (end_recording_case_labels): Deallocate it, call
1849         group_case_labels_stmt.
1850         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1851
1852 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1853
1854         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1855         from insn template.
1856
1857 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1858
1859         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1860
1861 2010-04-13  Jan Hubicka  <jh@suse.cz>
1862
1863         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1864         of optimized out static functions.
1865         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1866         cost computation.  Also sanity check for overflows.
1867         (update_caller_keys): Update cgraph_edge_badness call; properly
1868         update fibheap and sanity check that it is up to date.
1869         (add_new_edges_to_heap): Update cgraph_edge_badness.
1870         (cgraph_decide_inlining_of_small_function): Likewise;
1871         add sanity checking that badness in heap is up to date;
1872         improve dumping of reason; Update badness of calls to the
1873         offline copy of function currently inlined; dump badness
1874         of functions not inlined because of unit growth limits.
1875
1876 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         PR middle-end/32628
1879         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1880         because of sign-extension change when converting to sizetype here...
1881         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1882
1883         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1884         the folding to constants.  Remove redundant final conversion.
1885         (fold_binary) <associate>: Do not associate if the re-association of
1886         constants alone overflows.
1887         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1888         to the end of the list.
1889         (multiple_of_p) <COND_EXPR>: New case.
1890
1891 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1892
1893         * opt-functions.awk (opt_sanitized_name): New.
1894         (opt_enum): New.
1895         * optc-gen.awk: Use it
1896         * opth-gen.awk: Use it.
1897
1898 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1899
1900         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1901         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1902         children.  Call replace_uses_with_default_def_ssa_name to handle
1903         SSA_NAES on lhs.
1904
1905 2010-04-13  Michael Matz  <matz@suse.de>
1906
1907         PR middle-end/43730
1908         * builtins.c (expand_builtin_interclass_mathfn): Also create
1909         a register if the predicate doesn't match.
1910
1911 2010-04-13  Diego Novillo  <dnovillo@google.com>
1912
1913         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1914         * c-pch.c: Include timevar.h.
1915         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1916         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1917         * ggc-common.c: Include timevar.h.
1918         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1919         * timevar.def (TV_PCH_SAVE): Define.
1920         (TV_PCH_CPP_SAVE): Define.
1921         (TV_PCH_PTR_REALLOC): Define.
1922         (TV_PCH_PTR_SORT): Define.
1923         (TV_PCH_RESTORE): Define.
1924         (TV_PCH_CPP_RESTORE): Define.
1925
1926 2010-04-13  Michael Matz  <matz@suse.de>
1927
1928         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1929         into MINUS_EXPRs.
1930         (can_reassociate_p): New function.
1931         (break_up_subtract_bb, reassociate_bb): Use it.
1932
1933 2010-04-13  Richard Guenther  <rguenther@suse.de>
1934
1935         PR bootstrap/43737
1936         * builtins.c (c_readstr): Fix assert.
1937
1938 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1939
1940         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1941         when generating cltd insn.
1942
1943         (*ashl<mode>3_1): Remove special handling for register operand 2.
1944         (*ashlsi3_1_zext): Ditto.
1945         (*ashlhi3_1): Ditto.
1946         (*ashlhi3_1_lea): Ditto.
1947         (*ashlqi3_1): Ditto.
1948         (*ashlqi3_1_lea): Ditto.
1949         (*<shiftrt_insn><mode>3_1): Ditto.
1950         (*<shiftrt_insn>si3_1_zext): Ditto.
1951         (*<shiftrt_insn>qi3_1_slp): Ditto.
1952         (*<rotate_insn><mode>3_1): Ditto.
1953         (*<rotate_insn>si3_1_zext): Ditto.
1954         (*<rotate_insn>qi3_1_slp): Ditto.
1955
1956 2010-04-13  Richard Guenther  <rguenther@suse.de>
1957
1958         * tree-ssa-structalias.c (callused_id): Remove.
1959         (call_stmt_vars): New.
1960         (get_call_vi): Likewise.
1961         (lookup_call_use_vi): Likewise.
1962         (lookup_call_clobber_vi): Likewise.
1963         (get_call_use_vi): Likewise.
1964         (get_call_clobber_vi): Likewise.
1965         (make_transitive_closure_constraints): Likewise.
1966         (handle_const_call): Adjust to do per-call call-used handling.
1967         (handle_pure_call): Likewise.
1968         (find_what_var_points_to): Remove general callused handling.
1969         (init_base_vars): Likewise.
1970         (init_alias_vars): Initialize call_stmt_vars.
1971         (compute_points_to_sets): Process call-used and call-clobbered
1972         vars for call statements.
1973         (delete_points_to_sets): Free call_stmt_vars.
1974
1975 2010-04-13  Richard Guenther  <rguenther@suse.de>
1976
1977         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1978         Only add RW dependence for dependence distance zero.
1979         Adjust maximal vectorization factor according to dependences.
1980         Move alignment handling ...
1981         (vect_find_same_alignment_drs): ... here.  New function.
1982         (vect_analyze_data_ref_dependences): Adjust.
1983         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1984         (vect_analyze_data_refs): Adjust minimal vectorization factor
1985         according to data references.
1986         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1987         dependences before determining the vectorization factor.
1988         Analyze alignment after determining the vectorization factor.
1989         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1990         dependences before alignment.
1991         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1992         Adjust prototype.
1993         (vect_analyze_data_refs): Likewise.
1994         (MAX_VECTORIZATION_FACTOR): New define.
1995
1996 2010-04-13  Duncan Sands  <baldrick@free.fr>
1997
1998         * except.h (lang_eh_type_covers): Remove.
1999         * except.c (lang_eh_type_covers): Likewise.
2000
2001 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2002             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2003
2004         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2005         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2006         UNITS_PER_LONG where it is ABI relevant.
2007         (s390_return_addr_rtx): Likewise.
2008         (s390_back_chain_rtx): Likewise.
2009         (s390_frame_area): Likewise.
2010         (s390_frame_info): Likewise.
2011         (s390_initial_elimination_offset): Likewise.
2012         (save_gprs): Likewise.
2013         (s390_emit_prologue): Likewise.
2014         (s390_emit_epilogue): Likewise.
2015         (s390_function_arg_advance): Likewise.
2016         (s390_function_arg): Likewise.
2017         (s390_va_start): Likewise.
2018         (s390_gimplify_va_arg): Likewise.
2019         (s390_function_profiler): Likewise.
2020         (s390_optimize_prologue): Likewise.
2021         (s390_rtx_costs): Likewise.
2022         (s390_secondary_reload): Likewise.
2023         (s390_promote_function_mode): Likewise.
2024         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2025         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2026         registers available.
2027         (s390_unwind_word_mode): New function.
2028         (s390_function_value): Split 64 bit values into register pair if
2029         used as return value.
2030         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2031         function call parameters.  Handle parallels.
2032         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2033         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2034         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2035         (s390_expand_setmem): Remove unused variable src_addr.
2036         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2037         deal with 64 bit registers.
2038         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2039         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2040         (UNITS_PER_LONG): New macro.
2041         * libjava/include/s390-signal.h: Define extended ucontext
2042         structure containing the upper halfs of the 64 bit registers.
2043
2044 2010-04-13  Simon Baldwin  <simonb@google.com>
2045
2046         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2047
2048 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2049
2050         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2051         rvalue on the RHS if the LHS is of a non-renamable type.
2052         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2053
2054 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2055
2056         * gcc.c (cc1_options): Handle -iplugindir before processing
2057         the cc1 spec. Only add -iplugindir once.
2058         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2059         found.
2060         * common.opt (iplugindir): Remove `Separate' property, initialize.
2061         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2062         option.
2063         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2064         (distclean): Remove plugin dir.
2065         * doc/invoke.texi: Document -iplugindir.
2066
2067 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2068
2069         * doc/plugins.texi (Loading Plugins): Document short
2070         -fplugin=foo option.
2071         (Plugin API): Mention default_plugin_dir_name function.
2072
2073         * gcc.c (find_file_spec_function): Add new declaration.
2074         (static_spec_func): Use it for "find-file".
2075         (find_file_spec_function): Add new function.
2076         (cc1_options): Add -iplugindir option if -fplugin* options found.
2077
2078         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2079
2080         * plugin.c (add_new_plugin): Updated comment, and handle short
2081         plugin name.
2082         (default_plugin_dir_name): Added new function.
2083
2084         * common.opt (iplugindir): New option to set the plugin directory.
2085
2086 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2087
2088         * config/i386/i386.md (any_rotate): New code iterator.
2089         (rotate_insn): New code attribute.
2090         (rotate): Ditto.
2091         (SWIM124): New mode iterator.
2092         (<rotate_insn>ti3): New expander.
2093         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2094         any_rotate code iterator.
2095         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2096         using any_rotate code iterator and SWIM124 mode iterator.
2097         (ix86_rotlti3): New insn_and_split pattern.
2098         (ix86_rotrti3): Ditto.
2099         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2100         ix86_rotl{di,ti}3 patterns.
2101         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2102         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2103         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2104         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2105         code iterator and SWI mode iterator.
2106         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2107         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2108         code iterator.
2109         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2110         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2111         (bswap rotatert splitter): Add splitter.
2112         (bswap splitter): Macroize splitter using any_rotate code iterator.
2113         Add insn predicate to split only for TARGET_USE_XCHGB or when
2114         optimizing function for size.
2115
2116 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2117
2118         * config/pa/pa.c (emit_move_sequence): Remove use of
2119         deleted variable flag_argument_noalias.
2120
2121 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2122
2123         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2124         configurations.
2125         Add to unsupported targets list.
2126         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2127         sparc*-sun-solaris2.[567]* from target lists.
2128         * configure: Regenerate.
2129         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2130         removal.
2131         Remove Solaris 7 patch references.
2132         (Specific, sparc-sun-solaris2.7): Removed.
2133         (sparc-sun-solaris2*): Update Solaris 7 example.
2134         (sparc64-*-solaris2*): Likewise.
2135
2136 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2137
2138         * config.build (alpha*-dec-osf4*): Remove.
2139         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2140         of obsolete configurations.
2141         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2142         support.
2143         * config/alpha/t-osf4: Renamed to ...
2144         * config/alpha/t-osf5: ... this.
2145         * config/alpha/osf.h: Renamed to ...
2146         * config/alpha/osf5.h: ... this.
2147         Merged old osf5.h contents.
2148         Update comments.
2149         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2150         (EXTRA_SPECS): Removed.
2151         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2152         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2153         Document that.
2154
2155 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2156
2157         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2158
2159 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2160
2161         PR/43702
2162         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2163         __thiscall convention.
2164
2165 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2166
2167         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2168         orig_base.
2169         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2170
2171 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2172
2173         * function.c (assign_parms_initialize_all): Add unused attribute
2174         to fntype.
2175
2176 2010-04-12  Richard Guenther  <rguenther@suse.de>
2177
2178         * gsstruct.def (GSS_CALL): New.
2179         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2180         * gimple.h: Include tree-ssa-alias.h.
2181         (struct gimple_statement_call): New.
2182         (union gimple_statement_struct_d): Add gimple_call member.
2183         (gimple_call_reset_alias_info): Declare.
2184         (gimple_call_use_set): New function.
2185         (gimple_call_clobber_set): Likewise.
2186         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2187         * gimple.c (gimple_call_reset_alias_info): New function.
2188         (gimple_build_call_1): Call it.
2189         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2190         * tree-inline.c (remap_gimple_stmt): Likewise.
2191         (expand_call_inline): Remove callused handling.
2192         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2193         * tree-dfa.c (dump_variable): Likewise.
2194         * tree-parloops.c (parallelize_loops): Likewise.
2195         * tree-ssa.c (init_tree_ssa): Likewise.
2196         (delete_tree_ssa): Likewise.
2197         * tree-flow-inline.h (is_call_used): Remove.
2198         * tree-flow.h (struct gimple_df): Remove callused member.
2199         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2200         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2201         (ref_maybe_used_by_call_p_1): Simplify.
2202         (call_may_clobber_ref_p_1): Likewise.
2203         * tree-ssa-structalias.c (compute_points_to_sets): Set
2204         the call stmt used and clobbered sets.
2205         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2206         (find_tail_calls): Verify the tail call.
2207
2208 2010-04-12  Richard Guenther  <rguenther@suse.de>
2209
2210         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2211         single-iteration always-inline inlining.
2212         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2213         (cgraph_decide_inlining): Do not handle always-inline specially.
2214         (try_inline): Remove always-inline cycle detection special case.
2215         Do not recurse on always-inlines.
2216         (cgraph_early_inlining): Do not iterate if not optimizing.
2217         (cgraph_gate_early_inlining): remove.
2218         (pass_early_inline): Run unconditionally.
2219         (gate_cgraph_decide_inlining): New function.
2220         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2221         not inlining or optimizing.
2222         (cgraph_decide_inlining_of_small_functions): Also consider
2223         always-inline functions.
2224         (cgraph_default_inline_p): Return true for nodes which should
2225         disregard inline limits.
2226         (estimate_function_body_sizes): Assume zero size and time for
2227         nodes which are marked as disregarding inline limits.
2228         (cgraph_decide_recursive_inlining): Do not perform recursive
2229         inlining on always-inline nodes.
2230
2231 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2232
2233         PR bootstrap/43699
2234         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2235         for exprs satisfying handled_component_p.
2236
2237 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2238
2239         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2240         non-constant aggregate elements.
2241
2242         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2243         is a real initialization.
2244
2245 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2246
2247         PR c/36774
2248         * c-decl.c (start_function): Move forward check for nested function.
2249
2250 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2251
2252         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2253         * config/sh/sh.c: Include reload.h.
2254         (sh_legitimize_reload_address): New.
2255         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2256         sh_legitimize_reload_address.
2257
2258 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2259
2260         * config/sh/sh.md (*movqi_pop): New insn pattern.
2261         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2262
2263 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2264
2265         * config/i386/i386.md (any_shiftrt): New code iterator.
2266         (shiftrt_insn): New code attribute.
2267         (shiftrt): Ditto.
2268         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2269         using any_shiftrt code iterator.
2270         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2271         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2272         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2273         pattern from corresponding peephole2 patterns.
2274         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2275         using any_shiftrt code iterator.
2276         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2277         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2278         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2279         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2280         *{ashr,lshr}<mode>3_cmp_zext.
2281         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2282
2283 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2284
2285         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2286         scratch register.
2287         (*lshr<mode>3_cconly): Ditto.
2288
2289 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2292         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2293         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2294         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2295         DWI mode iterator.
2296         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2297         from corresponding peephole2 patterns.
2298         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2299         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2300         and *lshrdi3_1_rex64 using SWI mode iterator.
2301         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2302         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2303         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2304         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2305         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2306         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2307         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2308         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2309         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2310         SWI mode iterator.
2311
2312 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2315         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2316         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2317         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2318         DWI mode iterator.
2319         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2320         from corresponding peephole2 patterns.
2321         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2322         (ashrsi3_cvt): Rename from ashrsi3_31.
2323         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2324         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2325         and x86_64_shift_adj_3 using SWI48 mode iterator.
2326         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2327         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2328         and *ashrdi3_1_rex64 using SWI mode iterator.
2329         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2330         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2331         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2332         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2333         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2334         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2335         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2336         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2337         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2338         SWI mode iterator.
2339         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2340         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2341         x86_shift<mode>_adj_3 expanders.
2342
2343 2010-04-10  Wei Guozhi  <carrot@google.com>
2344
2345         PR target/42601
2346         * config/arm/arm.c (arm_pic_static_addr): New function.
2347         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2348         a static symbol.
2349         (arm_output_addr_const_extra): Output expression for new pattern.
2350         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2351
2352 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2353
2354         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2355         not enabled.
2356
2357         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2358         * web.c: Include "insn-config.h" and "recog.h".
2359         (union_match_dups): New function.
2360         (web_main): Call it.
2361         (union_defs): Don't try to recognize match_dups.
2362
2363         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2364         if doing so would replace the entire pattern.
2365
2366 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2367
2368         PR target/43707
2369         PR target/43709
2370         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2371         and splitter pattern.  Change splitter operand 1 predicate to
2372         nonmemory_operand.
2373
2374 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2375
2376         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2377         lattices are addresses of CONST_DECLs with the same initial value.
2378         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2379         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2380
2381 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2382             Bernd Schmidt  <bernds@codesourcery.com>
2383
2384         * loop-invariant.c (replace_uses): New static function.
2385         (move_invariant_reg): Use it to ensure we can replace the uses.
2386
2387 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2388
2389         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2390         function template.
2391         (picochip_override_options): Enable section anchors only above -O1.
2392         (picochip_reorg): Fixed a couple of build warnings.
2393
2394 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2395
2396         * configure.ac (plugin -rdynamic test): Log result.
2397         * configure: Regenerate.
2398         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2399         (RDYNAMIC_SPEC): Define.
2400         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2401
2402 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2403
2404         * configure.ac: Determine Sun ld version numbers.
2405         (comdat_group): Restrict GNU ld version checks to gld.
2406         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2407         (enable_comdat): Support --enable-comdat.
2408         * configure: Regenerate.
2409         * doc/install.texi (Configuration): Document --enable-comdat.
2410
2411 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2412
2413         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2414         * config/sol2-gld.h: ... here.
2415         * config.gcc (sparc*-*-solaris2*): Reflect this.
2416         (i[34567]86-*-solaris2*): Use it.
2417
2418 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2419
2420         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2421         setup_clocks_p.
2422         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2423
2424 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2425
2426         PR 42965
2427         * diagnostic.c (diagnostic_initialize): Initialize
2428         some_warnings_are_errors.
2429         (diagnostic_finish): New.
2430         (diagnostic_action_after_output): Call it before exiting.
2431         (diagnostic_report_diagnostic): Do not print message here. Set
2432         some_warnings_are_errors.
2433         * diagnostic.h (diagnostic_context): Delete
2434         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2435         (diagnostic_finish): Declare.
2436         * toplev.c (toplev_main): Call it before exit.
2437
2438 2010-04-09  Jason Merrill  <jason@redhat.com>
2439
2440         PR c++/42623
2441         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2442         for incomplete type.
2443
2444         PR c++/41788
2445         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2446         based on a warning flag.
2447
2448 2010-04-09  Richard Guenther  <rguenther@suse.de>
2449
2450         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2451
2452 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2453
2454         PR bootstrap/43684
2455         * varasm.c (default_assemble_visibility): Wrap vars that are
2456         set, but unused, by targets without GAS.
2457         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2458         Remove set, but unused, vars.
2459         (rs6000_legitimize_tls_address): Likewise.
2460         (altivec_expand_dst_builtin): Likewise.
2461         * config/darwin.c (machopic_classify_symbol): Likewise.
2462         (machopic_indirection_name): Likewise.
2463
2464 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2465
2466         * config/i386/i386.md (DWI): New mode iterator.
2467         (S): New mode attribute.
2468         (shift_operand): Ditto.
2469         (shift_immediate_operand): Ditto.
2470         (ashl_input_operand): Ditto.
2471         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2472         using SDWIM mode iterator.
2473         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2474         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2475         DWI mode iterator.
2476         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2477         from corresponding peephole2 patterns.
2478         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2479         and x86_64_shift_adj_1 using SWI48 mode iterator.
2480         (x86_shift<mode>_adj_2): Ditto.
2481         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2482         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2483         using SWI48 mode iterator.
2484         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2485         *ashldi3_cmp_rex64 using SWI mode iterator.
2486         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2487         *ashldi3_cconly_rex64 using SWI mode iterator.
2488         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2489         x86_shift<mode>_adj_{1,2}.
2490         (ix86_split_ashr): Ditto.
2491         (ix86_split_lshr): Ditto.
2492
2493 2010-04-09  Richard Guenther  <rguenther@suse.de>
2494
2495         * target.h (builtin_conversion): Pass in input and output types.
2496         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2497         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2498         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2499         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2500
2501         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2502         Handle AVX modes.
2503         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2504
2505 2010-04-09  Richard Guenther  <rguenther@suse.de>
2506
2507         PR target/43152
2508         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2509
2510 2010-04-09  Richard Guenther  <rguenther@suse.de>
2511
2512         * tree-vectorizer.h (struct _stmt_vec_info): Document
2513         that vectype is the type of the LHS.
2514         (supportable_widening_operation, supportable_narrowing_operation):
2515         Get both input and output vector types as arguments.
2516         (vect_is_simple_use_1): Declare.
2517         (get_same_sized_vectype): Likewise.
2518         * tree-vect-loop.c (vect_determine_vectorization_factor):
2519         Set STMT_VINFO_VECTYPE to the vector type of the def.
2520         (vectorizable_reduction): Adjust.
2521         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2522         Adjust.  Specify the output vector type.
2523         (vect_pattern_recog_1): Adjust.
2524         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2525         (vectorizable_call): Adjust.
2526         (vectorizable_conversion): Likewise.
2527         (vectorizable_operation): Likewise.
2528         (vectorizable_type_demotion): Likewise.
2529         (vectorizable_type_promotion): Likewise.
2530         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2531         the def.
2532         (vect_is_simple_use_1): New function.
2533         (supportable_widening_operation): Get both input and output
2534         vector types.
2535         (supportable_narrowing_operation): Likewise.
2536         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2537
2538 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2539
2540         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2541         __thiscall and _thiscall as predefined macros.
2542         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2543         thiscall attribute handling.
2544         (ix86_comp_type_attributes): Likewise.
2545         (ix86_function_regparm): Likewise.
2546         (ix86_return_pops_args): Likewise.
2547         (init_cumulative_args): Likewise.
2548         (find_drap_reg): Likewise.
2549         (ix86_static_chain): Likewise.
2550         (x86_this_parameter): Likewise.
2551         (x86_output_mi_thunk): Likewise.
2552         (ix86_attribute_table): Add description for thiscall attribute.
2553         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2554         * doc/extend.texi: Add documentation for thiscall.
2555
2556 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2557
2558         PR c++/28584
2559         * c.opt (Wint-to-pointer-cast): Available in C++.
2560         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2561
2562 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2563
2564         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2565         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2566         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2567         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2568         function type instead.  Reorder and simplify checks.
2569
2570         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2571
2572 2010-04-08  Jing Yu  <jingyu@google.com>
2573             Zdenek Dvorak  <ook@ucw.cz>
2574
2575         PR tree-optimization/42720
2576         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2577         loop unswitch conditions here from ...
2578         (tree_unswitch_single_loop): ... here.
2579
2580 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2581
2582         * tree-if-conv.c: Fix comments and simplify logic.
2583
2584 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2585
2586         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2587         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2588         (main_tree_if_conversion): Update call to tree_if_conversion.
2589
2590 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2591
2592         PR 42485
2593         * doc/invoke.texi (-b,-V): Delete.
2594         * doc/tm.texi: Do not mention -b.
2595         * gcc.c (display_help): Delete -b and -V.
2596         (process_command): Delete -b and -V.
2597         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2598
2599 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2600             Wolfgang Gellerich  <gellerich@de.ibm.com>
2601
2602         Implement target hook for loop unrolling
2603         * target.h (loop_unroll_adjust): Add a new target hook function.
2604         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2605         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2606         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2607         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2608         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2609         target hook.
2610         (decide_unroll_stupid): Likewise.
2611
2612 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2613
2614         PR target/43643
2615         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2616
2617 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2618
2619         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2620         (Specific, *-*-solaris2*): Likewise.
2621         Don't prefer Sun as over GNU as.
2622
2623 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2624
2625         * config/s390/s390.c (override_options): Adjust the z10
2626           defaults for max-unroll-times, max-completely-peeled-insns
2627           and max-completely-peel-times.
2628
2629 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2630
2631         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2632         instructions for z10.
2633         (s390_expand_setmem): Likewise.
2634         (s390_expand_cmpmem): Likewise.
2635
2636 2010-04-08  Richard Guenther  <rguenther@suse.de>
2637
2638         PR tree-optimization/43679
2639         * tree-ssa-pre.c (eliminate): Only propagate copies.
2640
2641 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2642
2643         PR bootstrap/43681
2644         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2645         set but not used variable warning.
2646
2647 2010-04-08  Wei Guozhi  <carrot@google.com>
2648
2649         PR target/41653
2650         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2651         (arm_size_rtx_costs): Call the new function when optimized for size.
2652
2653 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2654
2655         PR debug/43670
2656         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2657         op0 is not a MEM, just return NULL instead of assertion
2658         failure.
2659         (discover_nonconstant_array_refs): Don't walk debug stmts.
2660
2661 2010-04-08  Doug Kwan  <dougkwan@google.com>
2662
2663         * configure.ac: Recognize gold and do not use its version number
2664         to test ld features.
2665         * configure: Regenerate.
2666
2667 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2668
2669         PR middle-end/40815
2670         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2671         (negate_value): Move code to push elements to broken_up_substracts ...
2672         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2673         negative pair to plus_negates.
2674         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2675
2676 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2677
2678         * doc/install.texi (Configuration): Move description of
2679         --enable-lto, --with-libelf*, --enable-gold from Java section to
2680         general section.
2681
2682         * doc/generic.texi (Working with declarations)
2683         (Function Properties, C and C++ Trees): Fix typos.
2684         * doc/sourcebuild.texi (Top Level): Likewise.
2685
2686 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2687
2688         PR c/18624
2689         * tree.h (DECL_READ_P): Define.
2690         (struct tree_decl_common): Add decl_read_flag.
2691         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2692         a set but not used warning.
2693         (merge_decls): Merge DECL_READ_P flag.
2694         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2695         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2696         * c-common.c (handle_used_attribute, handle_unused_attribute):
2697         Likewise.
2698         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2699         New prototypes.
2700         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2701         New functions.
2702         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2703         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2704         c_parser_binary_expression, c_parser_cast_expression,
2705         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2706         Call default_function_array_read_conversion instead of
2707         default_function_array_conversion where needed.
2708         (c_parser_unary_expression, c_parser_conditional_expression,
2709         c_parser_postfix_expression_after_primary, c_parser_initelt):
2710         Likewise.  Call mark_exp_read where needed.
2711         (c_parser_statement_after_labels, c_parser_asm_operands,
2712         c_parser_typeof_specifier, c_parser_sizeof_expression,
2713         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2714         where needed.
2715         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2716         New.
2717         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2718         (warn_unused_but_set_parameter): Default to warn_unused
2719         && extra_warnings.
2720         * doc/invoke.texi: Document -Wunused-but-set-variable and
2721         -Wunused-but-set-parameter.
2722
2723         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2724         used count variable.
2725         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2726         when operandN variables aren't used in the body of the expander
2727         or splitter.
2728         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2729         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2730         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2731         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2732         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2733         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2734         * tree.c (PROCESS_ARG): Likewise.
2735
2736 2010-04-07  Simon Baldwin  <simonb@google.com>
2737
2738         * diagnostic.h (diagnostic_override_option_index): New macro to
2739         set a diagnostic's option_index.
2740         * c-tree.h (c_cpp_error): Add warning reason argument.
2741         * opts.c (_warning_as_error_callback): New.
2742         (register_warning_as_error_callback): Store callback for
2743         warnings enabled via enable_warning_as_error.
2744         (enable_warning_as_error): Call callback, minor code tidy.
2745         * opts.h (register_warning_as_error_callback): Declare.
2746         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2747         response to -Werror=.
2748         (c_common_init_options): Register warning_as_error_callback in opts.c.
2749         * common.opt: Add -Wno-cpp option.
2750         * c-common.c (struct reason_option_codes_t): Map cpp warning
2751         reason codes to gcc option indexes.
2752         * (c_option_controlling_cpp_error): New function, lookup the gcc
2753         option index for a cpp warning reason code.
2754         * (c_cpp_error): Add warning reason argument, call
2755         c_option_controlling_cpp_error for diagnostic_override_option_index.
2756         * doc/invoke.texi: Document -Wno-cpp.
2757
2758 2010-04-07  Richard Guenther  <rguenther@suse.de>
2759
2760         * ipa-reference.c (mark_load): Use get_base_address.
2761         (mark_store): Likewise.
2762
2763         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2764         inserting GIMPLE_NOPs into the IL.
2765         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2766         Explicitly strip handled components and indirect references.
2767
2768         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2769         folding address expressions.
2770         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2771         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2772         operand_equal_p to compare decls.
2773         (ptr_deref_may_alias_decl_p): Likewise.
2774         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2775         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2776         Handle reversed comparison ops.
2777         * tree-sra.c (asm_visit_addr): Use get_base_address.
2778         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2779         * ipa-reference.c (mark_address): Use get_base_address.
2780
2781 2010-04-07  Richard Guenther  <rguenther@suse.de>
2782
2783         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2784         Propagate constants everywhere.
2785
2786 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2787
2788         PR debug/43516
2789         * tree.c (MAX_INT_CACHED_PREC): Define.
2790         (nonstandard_integer_type_cache): New array.
2791         (build_nonstandard_integer_type): Cache results for precision
2792         <= MAX_INT_CACHED_PREC.
2793
2794 2010-04-07  Richard Guenther  <rguenther@suse.de>
2795
2796         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2797         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2798         * common.opt: Likewise.
2799         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2800         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2801         (nonoverlapping_memrefs_p): Likewise.
2802         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2803         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2804         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2805         OPT_fargument_noalias_global for backward compatibility.
2806
2807 2010-04-07  Richard Guenther  <rguenther@suse.de>
2808
2809         PR tree-optimization/43270
2810         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2811         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2812         * tree-ssa-pre.c (phi_translate_1): Adjust.
2813         (fully_constant_expression): Split out vn_reference handling to ...
2814         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2815         Fold reads from constant strings.
2816         (vn_reference_lookup): Handle fully constant references.
2817         (vn_reference_lookup_pieces): Likewise.
2818         * Makefile.in (expmed.o-warn): Add -Wno-error.
2819
2820 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2821
2822         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2823
2824 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2825
2826         PR driver/41594
2827         * gcc.c: Add -static-libstdc++ to list of recognized options.
2828
2829 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2830
2831         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2832
2833 2010-04-07  Richard Guenther  <rguenther@suse.de>
2834
2835         PR middle-end/42617
2836         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2837         bases build simple mem attributes to retain points-to information.
2838
2839 2010-04-07  Richard Guenther  <rguenther@suse.de>
2840
2841         PR middle-end/42617
2842         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2843         preserve points-to related information.
2844
2845 2010-04-07  Richard Guenther  <rguenther@suse.de>
2846
2847         PR middle-end/42617
2848         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2849         discard plain indirect references.
2850         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2851         * tree.c (tree_nop_conversion): Likewise.
2852
2853 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2854
2855         PR debug/43628
2856         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2857
2858 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2859
2860         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2861         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2862
2863 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2864
2865         * tree-if-conv.c: Fix indentation and comments.
2866
2867 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2868
2869         * tree-if-conv.c: Sort static functions in topological order.
2870
2871 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2872
2873         * tree-if-conv.c: Fix indentation and comments.
2874
2875 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2876
2877         PR middle-end/43519
2878         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2879         lang_hooks.types.type_for_size instead of
2880         build_nonstandard_integer_type.
2881         When converting an unsigned type to signed, double its precision.
2882         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2883         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2884         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2885         use lb <= ub.
2886
2887 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2888
2889         PR middle-end/43519
2890         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2891         POINTER_PLUS_EXPR for pointer types.
2892
2893 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2894
2895         PR middle-end/43519
2896         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2897         * graphite-clast-to-gimple.c: Include langhooks.h.
2898         (max_signed_precision_type): New.
2899         (max_precision_type): Takes two types as arguments.
2900         (precision_for_value): New.
2901         (precision_for_interval): New.
2902         (gcc_type_for_interval): New.
2903         (gcc_type_for_value): New.
2904         (gcc_type_for_clast_term): New.
2905         (gcc_type_for_clast_red): New.
2906         (gcc_type_for_clast_bin): New.
2907         (gcc_type_for_clast_expr): Split up into several functions.
2908         (gcc_type_for_clast_eq): Rewritten.
2909         (compute_bounds_for_level): New.
2910         (compute_type_for_level_1): New.
2911         (compute_type_for_level): New.
2912         (gcc_type_for_cloog_iv): Removed.
2913         (gcc_type_for_iv_of_clast_loop): Rewritten.
2914         (graphite_create_new_loop): Compute the lower and upper bound types
2915         with gcc_type_for_clast_expr.
2916         (graphite_create_new_loop_guard): Same.
2917         (find_cloog_iv_in_expr): Removed.
2918         (compute_cloog_iv_types_1): Removed.
2919         (compute_cloog_iv_types): Removed.
2920         (gloog): Do not call compute_cloog_iv_types.
2921         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2922         GBB_CLOOG_IV_TYPES.
2923         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2924         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2925         (GBB_CLOOG_IV_TYPES): Removed.
2926
2927 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2930         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2931         (detect_commutative_reduction): Same.
2932
2933 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2936         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2937         argument.
2938         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2939         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2940         (rewrite_commutative_reductions_out_of_ssa): Same.
2941         * passes.c (execute_function_todo): Call verify_ssa for every pass
2942         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2943         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2944         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2945         with an extra argument.
2946         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2947         verify_ssa only when the extra argument is true.
2948         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2949         with an extra argument.
2950         (tree_transform_and_unroll_loop): Same.
2951
2952 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2953
2954         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2955         for all the passes of the LNO having LOOP_CLOSED_SSA.
2956         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2957         * tree-loop-distribution.c (pass_loop_distribution): Same.
2958         * tree-pass.h (TODO_verify_loops): Removed.
2959         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2960         (pass_lim): Same.
2961         (pass_tree_unswitch): Same.
2962         (pass_predcom): Same.
2963         (pass_vectorize): Same.
2964         (pass_linear_transform): Same.
2965         (pass_graphite_transforms): Same.
2966         (pass_iv_canon): Same.
2967         (pass_complete_unroll): Same.
2968         (pass_complete_unrolli): Same.
2969         (pass_parallelize_loops): Same.
2970         (pass_loop_prefetch): Same.
2971         (pass_iv_optimize): Same.
2972
2973 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2974
2975         PR middle-end/32824
2976         * passes.c (init_optimization_passes): Move pass_lim before
2977         pass_copy_prop and pass_dce_loop.
2978
2979 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2980
2981         PR target/43667
2982         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2983         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2984         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2985         MULTI_* defines for 4 argument vpermil2p* builtins.
2986
2987 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2988
2989         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2990         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2991         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2992         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2993         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2994         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2995         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2996         Use x86_maybe_negate_const_int to output insn mnemonic.
2997         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2998         check from instruction predicate.  Update comments.
2999         * config/i386/sync.md (sync_add<mode>): Use
3000         x86_maybe_negate_const_int to output insn mnemonic.
3001
3002 2010-04-06  Jan Hubicka  <jh@suse.cz>
3003
3004         PR tree-optimization/42906
3005         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3006         IGNORE_SELF argument.  Set visited_control_parents for fully
3007         processed BBs.
3008         (find_obviously_necessary_stmts): Update call of
3009         mark_control_dependent_edges_necessary.
3010         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3011
3012 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         * config/i386/i386.md: Remove comment about 'e' and 'E'
3015         operand modifier.
3016
3017 2010-04-06  Richard Guenther  <rguenther@suse.de>
3018
3019         PR tree-optimization/43627
3020         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3021         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3022         not varying.
3023
3024 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3025
3026         * BASE-VER: Change to 4.6.0.
3027
3028         PR target/43638
3029         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3030         handling.
3031
3032 2010-04-06  Richard Guenther  <rguenther@suse.de>
3033
3034         PR middle-end/43661
3035         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3036
3037 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3038
3039         * doc/invoke.texi (Optimize Options): Document that LTO
3040         won't remove object access purely due to incompatible
3041         declarations.
3042
3043 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3044
3045         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3046         Initialize variable.
3047
3048 2010-04-03  Richard Guenther  <rguenther@suse.de>
3049
3050         PR middle-end/42509
3051         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3052         require a non-NULL MEM_OFFSET.
3053
3054 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3055
3056         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3057         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3058         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3059         config/alpha/predicates.md, config/arm/arm.md,
3060         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3061         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3062         config/darwin9.h, config/darwin.c, config/darwin.h,
3063         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3064         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3065         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3066         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3067         config/mips/mips.md, config/mn10300/mn10300.c,
3068         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3069         config/rs6000/aix.h, config/rs6000/dfp.md,
3070         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3071         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3072         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3073         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3074         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3075         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3076         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3077         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3078         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3079         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3080         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3081         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3082         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3083         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3084         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3085         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3086         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3087         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3088         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3089         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3090         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3091         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3092         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3093         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3094         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3095         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3096         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3097         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3098         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3099         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3100         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3101         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3102         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3103         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3104         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3105         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3106
3107 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3108
3109         PR other/43620
3110         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3111         * aclocal.m4: Regenerate.
3112
3113 2010-04-02  Richard Guenther  <rguenther@suse.de>
3114
3115         PR tree-optimization/43629
3116         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3117         if we have seen a constant value.
3118
3119 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3120
3121         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3122
3123 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3124
3125         PR target/43469
3126         * arm.c (legitimize_tls_address): Adjust call to
3127         gen_tls_load_dot_plus_four.
3128         (arm_note_pic_base): New function.
3129         (arm_cannot_copy_insn_p): Use it.
3130         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3131         constraint.
3132
3133 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3134
3135         PR bootstrap/43531
3136
3137         Revert:
3138         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3139
3140         * Makefile.in ($(out_object_file)): Depend on
3141         gt-$(basename $(notdir $(out_file))).h.
3142
3143 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3144
3145         * config.gcc (lm32-*-rtems*): Add t-lm32.
3146
3147 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3148
3149         * config.gcc: Add lm32-*-rtems*.
3150         * config/lm32/rtems.h: New file.
3151
3152 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3153
3154         PR target/42609
3155         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3156
3157 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3158
3159         * dwarf2out.c (output_compilation_unit_header): For
3160         -gdwarf-4 use version 4 instead of version 3.
3161         (output_line_info): For version 4 and above emit additional
3162         maximum ops per insn header field.
3163         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3164
3165         * dwarf2out.c (is_c_family, is_java): Remove.
3166         (lower_bound_default): New function.
3167         (add_bound_info, gen_descr_array_type_die): Use it.
3168
3169 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3170
3171         PR debug/43325
3172         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3173         re-declaration when it happens in a function.
3174
3175 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3176
3177         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3178         (cgraph_remove_function_insertion_hook): Same.
3179         (cgraph_call_function_insertion_hooks): Same.
3180
3181 2010-04-01  Richard Guenther  <rguenther@suse.de>
3182
3183         PR middle-end/43614
3184         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3185         and TREE_THIS_VOLATILE.
3186         (copy_ref_info): Likewise.
3187         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3188         * tree.c (build6_stat): Ignore side-effects of all but arg5
3189         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3190         TARGET_MEM_REF.
3191
3192 2010-04-01  Richard Guenther  <rguenther@suse.de>
3193
3194         PR tree-optimization/43607
3195         * ipa-type-escape.c (check_call): Do not access non-existing
3196         arguments.
3197
3198 2010-04-01  Richard Guenther  <rguenther@suse.de>
3199
3200         PR middle-end/43602
3201         Revert
3202         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3203                     Jack Howarth <howarth@bromo.med.uc.edu>
3204
3205         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3206         variables TLS.
3207
3208 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3209
3210         * doc/install.texi (Prerequisites): Document libelf usability on
3211         IRIX 5/6 and Solaris 2.
3212         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3213         Update GNU as, GNU ld requirements.
3214         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3215         Document Sun Studio compiler download.
3216         Update and simplify as, ld recommendations.
3217         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3218
3219 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3220
3221         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3222         with_tune_32 to pentium4.
3223
3224 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3225
3226         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3227
3228 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3229
3230         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3231         obsoletion, removal.
3232         Update IDO URL.
3233         Document GNU as requirement.
3234         Update configure requirements.
3235         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3236         Recomment IRIX 6.5.18+.
3237         Document IDF/IDL requirement.
3238         Document GNU as requirement.
3239         Document GNU ld bootstrap failure.
3240         Remove freeware.sgi.com reference.
3241
3242 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3243
3244         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3245         UNIX V4.0, V5.0 obsoletion, removal.
3246         Remove --with-gc=simple reference.
3247         Update VM requirements during bootstrap.
3248         Remove -oldas bootstrap description.
3249         Update binutils reference.
3250         Remove comparison failure note.
3251
3252 2010-03-31  Richard Guenther  <rguenther@suse.de>
3253             Zdenek Dvorak  <ook@ucw.cz>
3254             Sebastian Pop  <sebastian.pop@amd.com>
3255
3256         PR middle-end/43464
3257         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3258         with multiple arguments.
3259         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3260
3261 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         * graphite-dependences.c (print_pddr): Call print_pdr with an
3264         extra argument.
3265         * graphite-poly.c (debug_pdr): Add an extra argument for the
3266         verbosity level.
3267         (print_pdr): Same.
3268         (print_pbb_domain): Same.
3269         (print_pbb): Same.
3270         (print_scop_context): Same.
3271         (print_scop): Same.
3272         (print_cloog): Same.
3273         (debug_pbb_domain): Same.
3274         (debug_pbb): Same.
3275         (print_pdrs): Same.
3276         (debug_pdrs): Same.
3277         (debug_scop_context): Same.
3278         (debug_scop): Same.
3279         (debug_cloog): Same.
3280         (print_scop_params): Same.
3281         (debug_scop_params): Same.
3282         (print_iteration_domain): Same.
3283         (print_iteration_domains): Same.
3284         (debug_iteration_domain): Same.
3285         (debug_iteration_domains): Same.
3286         (print_scattering_function): Same.
3287         (print_scattering_functions): Same.
3288         (debug_scattering_function): Same.
3289         (debug_scattering_functions): Same.
3290         * graphite-poly.h (debug_pdr): Update declaration.
3291         (print_pdr): Same.
3292         (print_pbb_domain): Same.
3293         (print_pbb): Same.
3294         (print_scop_context): Same.
3295         (print_scop): Same.
3296         (print_cloog): Same.
3297         (debug_pbb_domain): Same.
3298         (debug_pbb): Same.
3299         (print_pdrs): Same.
3300         (debug_pdrs): Same.
3301         (debug_scop_context): Same.
3302         (debug_scop): Same.
3303         (debug_cloog): Same.
3304         (print_scop_params): Same.
3305         (debug_scop_params): Same.
3306         (print_iteration_domain): Same.
3307         (print_iteration_domains): Same.
3308         (debug_iteration_domain): Same.
3309         (debug_iteration_domains): Same.
3310         (print_scattering_function): Same.
3311         (print_scattering_functions): Same.
3312         (debug_scattering_function): Same.
3313         (debug_scattering_functions): Same.
3314
3315 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3316
3317         * graphite-poly.c (print_scattering_function_1): New.
3318         (print_scattering_function): Call it.
3319         (print_scop_params): Remove spaces at the end of lines.
3320         (print_cloog): New.
3321         (debug_cloog): New.
3322         * graphite-poly.h (print_cloog): Declared.
3323         (debug_cloog): Declared.
3324
3325 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3326
3327         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3328         in loop->header.
3329         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3330         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3331         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3332         to switch between adding the IV bump in loop->latch or in loop->header.
3333
3334 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3335
3336         * graphite-poly.c (print_scattering_function): Pretty print following
3337         the scoplib format.
3338         (print_pdr): Same.
3339         (print_pbb_domain): Same.
3340         (dump_gbb_cases): Same.
3341         (dump_gbb_conditions): Same.
3342         (print_pdrs): Same.
3343         (print_pbb): Same.
3344         (print_scop_params): Same.
3345         (print_scop_context): Same.
3346         (print_scop): Same.
3347         (print_pbb_body): New.
3348         (lst_indent_to): New.
3349         (print_lst): Start new lines with a #.
3350         * graphite-poly.h (pbb_bb): New.
3351         (pbb_index): Use pbb_bb.
3352         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3353         disjuncts.
3354         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3355
3356 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3357
3358         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3359         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3360         and 0 instead of 1 for dw_val_class_flag.
3361         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3362         dw_val_class_range_list, dw_val_class_loc_list,
3363         dw_val_class_lineptr and dw_val_class_macptr, use
3364         DW_FORM_flag_present for dw_val_class_flag and
3365         DW_FORM_exprloc for dw_val_class_loc.
3366         (output_die): For -gdwarf-4 print dw_val_class_loc
3367         size as uleb128 instead of 1 or 2 bytes and don't print
3368         anything for dw_val_class_flag.
3369
3370         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3371         instead of cselib_lookup following by tweaking locs->setting_insn.
3372
3373         PR bootstrap/43596
3374         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3375         even before returning from label, setjmp call or volatile asm
3376         handling.
3377
3378 2010-03-31  Richard Guenther  <rguenther@suse.de>
3379
3380         PR middle-end/43600
3381         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3382         temporary data on stack.
3383
3384 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3385
3386         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3387         (PUSHSECTION_ASM_OP): Remove.
3388         (POPSECTION_ASM_OP): Remove.
3389         (PUSHSECTION_FORMAT): Remove.
3390         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3391         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3392         * config/sol2.c (solaris_output_init_fini): Use it.
3393
3394 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3395
3396         PR 43574
3397         * opt-functions.awk (var_type_struct): Use signed char type
3398         for simple variables.
3399
3400 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3401
3402         * config/sol2.c: Include output.h.
3403         (solaris_assemble_visibility): New function.
3404         * config/t-sol2 (sol2.o): Add output.h dependency.
3405         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3406         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3407         Redefine.
3408
3409 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR target/43580
3412         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3413         V2SImode or XFmode on PRE_DEC.
3414
3415         PR debug/43557
3416         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3417         BLKmode.
3418
3419 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3420
3421         PR 43562
3422         * reload.h (caller_save_initialized_p): Declare.
3423         * toplev.c (backend_init_target): Don't call
3424         init_caller_save but set caller_save_initialized_p to false.
3425         * caller-save.c (caller_save_initialized_p): Define.
3426         (init_caller_save): Check caller_save_initialized_p.
3427         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3428
3429 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3430
3431         PR target/39048
3432         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3433         and soft-fp/t-softfp to tmake_file.
3434         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3435         (LIBGCC2_TF_CEXT): Define.
3436         (TF_SIZE): Define.
3437
3438 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3439
3440         PR debug/42977
3441         * cselib.c (n_useless_values): Document handling of debug locs.
3442         (n_useless_debug_values, n_debug_values): New variables.
3443         (new_elt_loc_list): Don't add to debug values, keep count.
3444         (promote_debug_loc): New.
3445         (cselib_reset_table): Zero new variables.
3446         (entry_and_rtx_equal_p): Promote debug locs.
3447         (discard_useless_locs): Increment n_useless_debug_values for
3448         debug values.
3449         (remove_useless_values): Adjust n_useless_values and n_debug_values
3450         with n_useless_debug_values.
3451         (add_mem_for_addr): Promote debug locs.
3452         (cselib_lookup_mem): Likewise.
3453         (cselib_lookup_addr): Renamed to...
3454         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3455         (cselib_log_lookup): ... this.  Turn into...
3456         (cselib_lookup_addr): ... new wrapper.
3457         (cselib_lookup_from_insn): New.
3458         (cselib_invalidate_regno): Increment n_useless_debug_values for
3459         debug values.
3460         (cselib_invalidate_mem): Likewise.
3461         (cselib_process_insn): Take n_deleted and n_debug_values into
3462         account to guard remove_useless_value call.
3463         (cselib_finish): Zero n_useless_debug_values.
3464         * cselib.h (cselib_lookup_from_insn): Declare.
3465         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3466         (sched_analyze_2): Likewise.
3467
3468 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3469
3470         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3471         functions.
3472         (adjust_mems): Replace narrowing SUBREG of expression containing
3473         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3474         with operations in the narrower mode.
3475
3476         PR debug/43593
3477         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3478         regs_invalidated_by_call instead all call_used_reg_set registers.
3479
3480 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3481
3482         PR middle-end/43430
3483         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3484         pointer comparisons with types_compatible_p.
3485         * tree-vect-stmts.c (vectorizable_call): Same.
3486         (vectorizable_condition): Same.
3487
3488 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3489
3490         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3491         stack check if the mask would be zero.
3492
3493 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3494             Jack Howarth <howarth@bromo.med.uc.edu>
3495
3496         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3497         variables TLS.
3498
3499 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3500
3501         PR other/25232
3502         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3503         and __unordtf2.
3504         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3505         Include ___unordxf2 and ___unordtf2.
3506         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3507         GCC_4.4.0 here.
3508
3509 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3510
3511         * config/lm32/t-lm32: New file.
3512         * config.gcc: Use the above file when targetting lm32.
3513
3514 2010-03-28  Duncan Sands  <baldrick@free.fr>
3515
3516         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3517
3518 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3519
3520         PR middle-end/43431
3521         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3522         Improve vectorization cost model diagnostic.
3523
3524 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3525
3526         PR middle-end/43436
3527         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3528         compute_data_dependences_for_loop returns false, early exit
3529         and output an extra diagnostic for the failed data reference
3530         analysis.
3531
3532 2010-03-29  Richard Guenther  <rguenther@suse.de>
3533
3534         PR tree-optimization/43560
3535         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3536         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3537
3538 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3539
3540         PR 43564
3541         * toplev.c (process_options): Set optimization_default_node
3542         and optimization_current_node.
3543         * opts.c (decode_options): Don't set optimization_default_node
3544         and optimization_current_node.
3545
3546 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3547
3548         * config/rtems.h: Abandon -qrtems_debug.
3549
3550 2010-03-28  Jan Hubicka  <jh@suse.cz>
3551
3552         PR tree-optimization/43505
3553         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3554         map should not be copied.
3555
3556 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3557
3558         PR middle-end/41674
3559         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3560         cdtors, set DECL_PRESERVE_P.
3561         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3562         should be preseved.
3563
3564 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3565
3566         PR tree-optimization/43528
3567         * stor-layout.c (place_field): Check that constant fits into
3568         unsigned HWI when skipping calculation of MS bitfield layout.
3569
3570 2010-03-27  Jan Hubicka  <jh@suse.cz>
3571
3572         PR middle-end/43391
3573         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3574         notice_global_symbol work.
3575
3576 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3577
3578         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3579         instead of dwarf2out_decl.
3580         (struct var_loc_node): Remove section_label field.
3581         (dwarf2out_function_decl): New function.
3582         (dwarf2out_var_location): Don't set section_label field.
3583         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3584
3585 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3586
3587         PR tree-optimization/43544
3588         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3589         First argument for builtin vectorized function hook is now a
3590         tree to be able to distinguish between machine specific and
3591         standard builtins.
3592         * targhooks.c (default_builtin_vectorized_function): Ditto.
3593         * targhooks.h (default_builtin_vectorized_function): Ditto.
3594         * target.h (struct gcc_target): Ditto.
3595         * tree-vect-stmts.c (vectorizable_function): Ditto.
3596         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3597         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3598         Ditto.
3599
3600 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3601
3602         PR c/43381
3603         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3604         nested binding iff it is a FUNCTION_DECL.
3605         (store_parm_decls_newstyle): Pass nested=true to bind for
3606         FUNCTION_DECLs amongst parameters.
3607
3608 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3609
3610         * var-tracking.c (vt_expand_loc_callback): Don't run
3611         cselib_expand_value_rtx_cb in dummy mode if
3612         cselib_dummy_expand_value_rtx_cb returned false.
3613
3614         * var-tracking.c (emit_note_insn_var_location): For one part
3615         notes with offset 0, don't add EXPR_LIST around the location.
3616         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3617         add_location_or_const_value_attribute): Adjust for that change.
3618
3619         PR debug/43540
3620         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3621         into first operand and location into second.
3622         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3623         dw_cfi_oprnd_loc for DW_CFA_expression.
3624         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3625         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3626         assume first argument is regnum and second argument is location.
3627
3628 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3629
3630         PR target/42113
3631         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3632         of scratch register to DImode.  Split to DImode comparison operator.
3633         Use SImode subreg of scratch register in the multiplication.
3634         (*cmp_sadd_sidi): Ditto.
3635         (*cmp_ssub_si): Ditto.
3636         (*cmp_ssub_sidi): Ditto.
3637
3638 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3639
3640         PR target/43524
3641         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3642         Remove invalid assert and wrong comment.
3643
3644 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3645
3646         PR debug/43516
3647         * flags.h (final_insns_dump_p): New extern.
3648         * final.c (final_insns_dump_p): New variable.
3649         (rest_of_clean_state): Set it before -fdump-final-insns=
3650         dumping, clear afterwards.
3651         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3652         MEM_ALIAS_SET on MEMs.
3653
3654 2010-03-26  David S. Miller  <davem@davemloft.net>
3655
3656         * configure.ac: Fix sparc GOTDATA_OP bug check.
3657         * configure: Rebuild.
3658
3659 2010-03-26  Alan Modra  <amodra@gmail.com>
3660
3661         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3662
3663 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3664
3665         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3666         TLS_SECTION_ASM_FLAG.
3667
3668 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3669
3670         PR bootstrap/43511
3671         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3672         Clear first_function_block_is_cold.
3673
3674         PR c/43385
3675         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3676         argument if the argument is truth_value_p.
3677
3678 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3679
3680         * config/rs6000/constraints.md: Update copyright year for my changes.
3681
3682         PR target/43484
3683         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3684         used in reg+reg addressing, swap registers.
3685
3686 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3687
3688         PR debug/43293
3689         * target.h (struct gcc_target): Add code_end hook.
3690         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3691         if not yet defined.
3692         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3693         * toplev.c (compile_file): Call targetm.asm_out.code_end
3694         hook before unwind info/debug info output.
3695         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3696         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3697         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3698         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3699         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3700         * config/i386/i386.c (ix86_file_end): Renamed to...
3701         (ix86_code_end): ... this.  Make static.  Don't call
3702         file_end_indicate_exec_stack.  Emit unwind info using
3703         final_start_function/final_end_function.
3704         (darwin_x86_file_end): Remove.
3705         (TARGET_ASM_CODE_END): Define.
3706         * config/i386/i386.h (TARGET_ASM_FILE_END,
3707         NEED_INDICATE_EXEC_STACK): Don't define.
3708         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3709         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3710         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3711         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3712
3713         PR target/43498
3714         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3715         at the beginning and final_end_function at the end.
3716         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3717
3718 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3719
3720         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3721         and Sun as TLS syntax.
3722         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3723         * configure: Regenerate.
3724         * config.in: Regenerate.
3725         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3726         (default_elf_asm_named_section): Use it.
3727         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3728         (i386_output_dwarf_dtprel): Likewise.
3729         (output_addr_const_extra): Likewise.
3730         (output_pic_addr_const): Lowercase @GOTTPOFF.
3731         (output_addr_const_extra): Likewise.
3732         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3733         (output_addr_const_extra): Likewise.
3734         (output_pic_addr_const): Lowercase @INDNTPOFF.
3735         (output_addr_const_extra): Likewise.
3736         (output_pic_addr_const): Lowercase @NTPOFF.
3737         (output_addr_const_extra): Likewise.
3738         (output_pic_addr_const): Lowercase @TPOFF.
3739         (output_addr_const_extra): Likewise.
3740         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3741         (*tls_global_dynamic_64): Likewise.
3742         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3743         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3744
3745         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3746         (ASM_OUTPUT_TLS_COMMON): Use it.
3747         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3748
3749         PR target/38118
3750         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3751         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3752         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3753         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3754         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3755         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3756
3757 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3758
3759         * config/i386/i386.c (override_options): Don't accept
3760         -mtls-dialect=sun any longer.
3761         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3762         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3763         (*tls_local_dynamic_base_32_sun): Likewise.
3764         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3765
3766 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3767
3768         PR debug/43508
3769         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3770         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3771
3772         PR debug/43479
3773         * ira.c (adjust_cleared_regs): New function.
3774         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3775
3776         PR debug/19192
3777         PR debug/43479
3778         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3779         from gimple_block.
3780         * expr.c (expand_expr_real): Restore previous
3781         curr_insn_source_location and curr_insn_block after
3782         expand_expr_real_1 call.
3783         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3784         instead of expand_expr_real_1.
3785
3786 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3787
3788         PR rtl-optimization/43413
3789         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3790         hard regs too.
3791
3792 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3793
3794         PR target/43348
3795         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3796         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3797
3798 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3799
3800         * config/i386/i386.c (ix86_target_string): Add -mfma.
3801         Fix a typo in comment.
3802
3803 2010-03-22  Mike Stump  <mikestump@comcast.net>
3804
3805         PR target/23071
3806         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3807         Don't overly align based upon packed packed fields.
3808
3809 2010-03-22  Jason Merrill  <jason@redhat.com>
3810
3811         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3812         Use () rather than [], and move before the element type.
3813
3814 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3815
3816         * doc/configfiles.texi (Configuration Files): Removed
3817         fixinc/Makefile*, intl/Makefile.*.
3818         * doc/makefile.texi: Fixed markup. Abstract from version
3819         control system used.
3820         (Makefile): Removed obsolete gcc/java/parse.y example.
3821         * doc/sourcebuild.texi: Likewise.
3822         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3823         libgomp, libssp.  Removed fastjar.
3824         (Miscellaneous Docs): Clarify location.
3825         Added COPYING3, COPYING3.LIB.
3826         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3827
3828 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3829
3830         PR target/38085
3831         * config/i386/i386.c (x86_function_profiler)
3832         [!NO_PROFILE_COUNTERS]: Fix typo.
3833         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3834         instead of callq.
3835
3836 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3837             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3838
3839         * doc/sourcebuild.texi (Test Directives): Split into six
3840         subsections, with most of the current text in new subsections
3841         Directives, Selectors, and Final Actions.
3842         (Directives): Split list of test directives into multiple
3843         subsubsections.
3844         (Selectors): Describe use and syntax of selectors.
3845         (Effective-Target Keywords): Describe all existing keywords.
3846         (Add Options): Describe features for dg-add-options.
3847         (Require Support): Describe variants of dg-require-support.
3848         (Final Actions): Describe commands to use in dg-final.
3849
3850 2010-03-22  Michael Matz  <matz@suse.de>
3851
3852         PR middle-end/43475
3853         * recog.c (validate_replace_rtx_group): Replace also in
3854         REG_EQUAL and REG_EQUIV notes.
3855
3856 2010-03-22  Richard Guenther  <rguenther@suse.de>
3857
3858         PR tree-optimization/43390
3859         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3860         sure vector extracts are type correct.
3861
3862 2010-03-22  Richard Guenther  <rguenther@suse.de>
3863
3864         PR middle-end/40106
3865         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3866         x * sqrt (x) even when optimizing for size if the target
3867         has native support for sqrt.
3868
3869 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3870
3871         * varasm.c (make_decl_rtl_for_debug): Also clear
3872         flag_mudflap for the duration of make_decl_rtl call.
3873
3874         PR debug/43443
3875         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3876         locs from preserved VALUEs.
3877
3878 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3879
3880         PR middle-end/42718
3881         * pa.md (movmemsi): Set align to one if zero.
3882         (movmemdi): Likewise.
3883
3884 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3885
3886         PR target/42321
3887         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3888         with their corresponding prologue pushes.
3889
3890 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3891
3892         PR target/43156
3893         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3894         at the begining or end.
3895         (spu_expand_epilogue): Likewise.
3896
3897 2010-03-20  Richard Guenther  <rguenther@suse.de>
3898
3899         PR rtl-optimization/43438
3900         * combine.c (make_extraction): Properly zero-/sign-extend an
3901         extraction of the low part of a CONST_INT.  Also handle
3902         CONST_DOUBLE.
3903
3904 2010-03-19  Mike Stump  <mikestump@comcast.net>
3905
3906         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3907         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3908         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3909
3910 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3911
3912         PR c/43211
3913         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3914         an error.
3915
3916 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3917
3918         PR rtl-optimization/42258
3919         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3920         use that may match DEF.
3921
3922         PR target/40697
3923         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3924         the cost of loading the constant rather than assuming
3925         COSTS_N_INSNS (1).
3926         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3927         outer code is AND, do the same tests as the andsi3 expander and
3928         return COSTS_N_INSNS (1) if and is cheap.
3929
3930         * optabs.c (avoid_expensive_constant): Fix formatting.
3931
3932 2010-03-19  Michael Matz  <matz@suse.de>
3933
3934         PR c++/43116
3935         * attribs.c (decl_attributes): When rebuilding a function pointer
3936         type use the same qualifiers as the original pointer type.
3937
3938 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3939
3940         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3941         and is_gimple_ip_invariant_address.
3942
3943 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3944
3945         Revert
3946         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3947
3948         * config/arm/arm.c (arm_override_options): Turn off
3949         flag_dwarf2_cfi_asm for AAPCS variants.
3950
3951 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3952
3953         PR target/43399
3954         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3955         Use PRE_MODIFY instead of PRE_DEC.
3956         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3957         (vfp_emit_fstmd): Likewise.
3958
3959 2010-03-19  Michael Matz  <matz@suse.de>
3960
3961         PR target/43305
3962         * builtins.c (expand_builtin_interclass_mathfn,
3963         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3964         if that fails.
3965
3966 2010-03-19  Richard Guenther  <rguenther@suse.de>
3967
3968         PR tree-optimization/43415
3969         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3970         (phi_translate_1): ... this.
3971         (phi_translate): Move all caching here.  Cache all NARY
3972         and REFERENCE translations.
3973
3974 2010-03-19  David S. Miller  <davem@davemloft.net>
3975
3976         With help from Eric Botcazou.
3977         * config/sparc/sparc.c: Include dwarf2out.h.
3978         (emit_pic_helper): Delete.
3979         (pic_helper_symbol_name): Delete.
3980         (pic_helper_emitted_p): Delete.
3981         (pic_helper_needed): New.
3982         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3983         (get_pc_thunk_name): New.
3984         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3985         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3986         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3987         (sparc_expand_prologue): Update load_pic_register call.
3988         (sparc_output_mi_thunk): Likewise.
3989         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3990         thunk if possible.  Output CFI information as needed.
3991
3992 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3993             Jack Howarth <howarth@bromo.med.uc.edu>
3994
3995         PR target/36399
3996         * config/i386/i386.h: Fix ABI on darwin x86-32.
3997
3998 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3999
4000         * tree.h: Declare make_decl_rtl_for_debug.
4001         * varasm.c (make_decl_rtl_for_debug): New.
4002         * dwarf2out.c (rtl_for_decl_location): Call it.
4003         * cfgexpand.c (expand_debug_expr): Call it.
4004
4005 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
4006
4007         PR bootstrap/43399
4008         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4009         mem_mode.
4010
4011         PR bootstrap/43403
4012         * var-tracking.c (vt_init_cfa_base): Do nothing if
4013         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4014
4015 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
4016
4017         PR debug/42873
4018         * var-tracking.c (canonicalize_vars_star): New.
4019         (dataflow_post_merge_adjust): Use it.
4020
4021 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
4022
4023         PR debug/43058
4024         * var-tracking.c (non_suitable_const): New function.
4025         (add_uses): For DEBUG_INSNs with constants, don't record any
4026         value, instead just the constant value itself.
4027         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR