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* lto.c (get_filename_for_set): Look for cgraph node and if none found, use
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-30  Jan Hubicka  <jh@suse.cz>
2
3         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): New.
4         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
5         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
6         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
7         cgraph_node_set_needs_ltrans_p): Remove.
8
9 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
10
11         * sdbout.c: Include vec.h, do not include varray.h.
12         (deferred_global_decls, sdbout_global_decl,
13         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
14         * toplev.c: Do not include varray.h.
15         (dump_memory_report): Do not dump VARRAY statistics.
16         * gengtype.c (open_base_file): Ignore varray.h.
17         * Makefile.in: Update for abovementioned changes.
18         Remove all traces of varray.c and varray.h.
19         * varray.c: Remove file.
20         * varray.h: Remove file.
21
22 2010-04-30  Jan Hubicka  <jh@suse.cz>
23
24         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
25         references.
26
27 2010-04-30  Jan Hubicka  <jh@suse.cz>
28
29         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
30         needed.
31
32 2010-04-30  Richard Guenther  <rguenther@suse.de>
33
34         * tree-ssa-structalias.c (get_constraint_for_1): Generate
35         constraints for CONSTRUCTOR.
36
37 2010-04-30  Richard Guenther  <rguenther@suse.de>
38
39         PR lto/43946
40         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
41         first after all lowering passes.
42
43 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
44
45         * toplev.c: Include varray.h for statistics dumping.
46         * tree.h: Do not declare varray_head_tag.
47         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
48         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
49         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
50         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
51         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
52         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
53         c-common.c, c-common.h, reg-stack.c, basic-block.h,
54         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
55         include varray.h.
56         * Makefile.in: Update for abovementioned changes.
57
58 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
59
60         PR debug/43942
61         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
62
63 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
64
65         * config/picochip/picochip.c (picochip_legitimize_address): Define.
66         Use this function to do machine-specific conversion.
67         (picochip_legitimize_reload_address): Likewise.
68         (picochip_legitimate_address_p): Check valid base register only if
69         strict.
70         (picochip_check_conditional_copy): Check for modw only if opnd is
71         register.
72         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
73         to call the function in c.
74         * config/picochip/picochip-protos.h
75         (picochip_legitimize_reload_address): Define.
76         * config/picochip/picochip.md (supported_compare1): Define.
77
78 2010-04-30  Jan Hubicka  <jh@suse.cz>
79
80         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
81         (cgraph_global_info): Remove inlined.
82         (LTO_cgraph_tag_names): Remove.
83         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
84         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
85         simplify cgraph tags and document.
86         (lto_output_node): Use only LTO_cgraph_unavail_node and
87         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
88         for_functions_valid, global info, process and output
89         flags.
90         (input_overwrite_node): Initialize estimated stack size and
91         estimated growth.
92         Do not read flags we no longer store.
93         (input_node): Likewise do not read info no longer stored.
94         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
95         flag.
96
97 2010-04-30  Richard Guenther  <rguenther@suse.de>
98
99         PR tree-optimization/43879
100         * tree-ssa-structalias.c (get_constraint_for_1): Properly
101         handle non-zero initializers.
102
103 2010-04-30  Richard Guenther  <rguenther@suse.de>
104
105         * builtins.c (fold_builtin_1): Delete free (0).
106
107 2010-04-29  Jan Hubicka  <jh@suse.cz>
108
109         * gengtype.c (open_base_files): Add lto-streamer.h
110         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
111         (pass_ipa_cp): GGC collect.
112         * toplev. (compile_file): Do not output symbols.
113         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
114         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
115         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
116         * lto-section-in.c: Include ggc.h
117         (lto_new_in_decl_state): Alloc in GGC.
118         (lto_delete_in_decl_state): Likewise.
119         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
120
121 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
122
123         PR target/42895
124         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
125         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
126         (HONOR_REG_ALLOC_ORDER): Describe new macro.
127         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
128         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
129         account only if HONOR_REG_ALLOC_ORDER is not defined.
130         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
131         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
132         
133 2010-04-29  Jon Grant <04@jguk.org>
134         
135         * collect2.c (vflag): Change type from int to bool.
136         (debug): Likewise.
137         (helpflag): New global bool.
138         (main): Set vflag and debug with boolean, not integer truth
139         values.  Accept new "--help" option and output usage text if
140         found.
141         * collect2.h (vflag): Update prototype.
142         (debug): Likewise.
143         
144 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
145
146         PR bootstrap/43936
147         * plugin.h (flag_plugin_added): Moved out of
148         invoke_plugin_callbacks.
149
150 2010-04-29  Richard Guenther  <rguenther@suse.de>
151
152         PR bootstrap/43935
153         * plugin.h (invoke_plugin_callbacks): Annotate arguments
154         with ATTRIBUTE_UNUSED.
155
156 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
157
158         PR target/43921
159         * config/i386/i386.c (get_some_local_dynamic_name): Replace
160         INSN_P with NONDEBUG_INSN_P.
161         (distance_non_agu_define): Likewise.
162         (distance_agu_use): Likewise.
163
164 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
165
166         From Dominique d'Humieres <dominiq@lps.ens.fr>
167         PR bootstrap/43858
168         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
169         test_set.
170
171 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
172
173         * plugin.h (invoke_plugin_callbacks): New inline function.
174         * plugin.c (flag_plugin_added): New global flag.
175         (add_new_plugin): Initialize above flag.
176         (invoke_plugin_callbacks): Rename to ...
177         (invoke_plugin_callbacks_full): ... this.
178
179 2010-04-28  Jan Hubicka  <jh@suse.cz>
180
181         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
182         (lto_varpool_replace_node): New.
183         (lto_symtab_resolve_symbols): Resolve varpool nodes.
184         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
185         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
186         * cgraph.h (varpool_node_ptr): New type.
187         (varpool_node_ptr): New vector.
188         (varpool_node_set_def): New structure.
189         (varpool_node_set): New type.
190         (varpool_node_set): New vector.
191         (varpool_node_set_element_def): New structure.
192         (varpool_node_set_element, const_varpool_node_set_element): New types.
193         (varpool_node_set_iterator): New type.
194         (varpool_node): Add prev pointers, add used_from_other_partition,
195         in_other_partition.
196         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
197         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
198         varpool_get_node, varpool_remove_node): Declare.
199         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
200         varpool_node_set_size): New inlines.
201         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
202         * tree-pass.h (varpool_node_set_def): Forward declare.
203         (ipa_opt_pass_d): Summary writting takes vnode sets too.
204         (ipa_write_optimization_summaries): Update prototype.
205         * ipa-cp.c (ipcp_write_summary): Update.
206         * ipa-reference.c (ipa_reference_write_summary): Update.
207         * lto-cgraph.c (lto_output_varpool_node): New static function.
208         (output_varpool): New function.
209         (input_varpool_node): New static function.
210         (input_varpool_1): New function.
211         (input_cgraph): Input varpool.
212         * ipa-pure-const.c (pure_const_write_summary): Update.
213         * lto-streamer-out.c (lto_output): Update, output varpool too.
214         (write_global_stream): Kill WPA hack.
215         (produce_asm_for_decls): Update.
216         (output_alias_pair_p): Handle variables.
217         (output_unreferenced_globals): Output only needed partition of varpool.
218         * ipa-inline.c (inline_write_summary): Update.
219         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
220         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
221         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
222         varpool_node_set_new, varpool_node_set_add,
223         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
224         debug_varpool_node_set): New functions.
225         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
226         (execute_one_pass): Process new decls too.
227         (ipa_write_summaries_2): Pass around vsets.
228         (ipa_write_summaries_1): Likewise.
229         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
230         to add.
231         (ipa_write_optimization_summaries_1): Pass around vsets.
232         (ipa_write_optimization_summaries): Likewise.
233         * varpool.c (varpool_get_node): New.
234         (varpool_node): Update doubly linked lists.
235         (varpool_remove_node): New.
236         (dump_varpool_node): More dumping.
237         (varpool_enqueue_needed_node): Update doubly linked lists.
238         (decide_is_variable_needed): Kill ltrans hack.
239         (varpool_finalize_decl): Kill lto hack.
240         (varpool_assemble_decl): Skip decls in other partitions.
241         (varpool_assemble_pending_decls): Update doubly linkes lists.
242         (varpool_empty_needed_queue): Likewise.
243         (varpool_extra_name_alias): Likewise.
244         * lto-streamer.c (lto_get_section_name): Add vars section.
245         * lto-streamer.h (lto_section_type): Update.
246         (output_varpool, input_varpool): Declare.
247
248 2010-04-28  Mike Stump  <mikestump@comcast.net>
249
250         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
251
252 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
253
254         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
255         record or union type with RECORD_OR_UNION_TYPE_P predicate.
256         (lto_input_ts_type_tree_pointers): Likewise.
257         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
258         (lto_output_ts_type_tree_pointers): Likewise.
259
260 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
261
262         Uniquization of constants at the Tree level
263         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
264         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
265         bit to the end.
266         (tree_output_constant_def): Declare.
267         * gimplify.c (gimplify_init_constructor): When using block copy, first
268         uniquize the constant constructor on the RHS.
269         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
270         DECL_IN_CONSTANT_POOL flag.
271         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
272         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
273         constant pool.
274         (assemble_variable): Deal with symbols belonging to the tree constant
275         pool.
276         (get_constant_section): Add ALIGN parameter and simplify.
277         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
278         (assemble_constant_contents): Use the expression of the VAR_DECL.
279         (output_constant_def_contents): Use the alignment of the VAR_DECL.
280         (tree_output_constant_def): New global function.
281         (mark_constant): Use the expression of the VAR_DECL.
282         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
283         its expression.
284         (output_object_block): Likewise and assemble the expression.
285
286 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
287
288         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
289         hash_tree, eq_tree): New tree hash table.
290         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
291         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
292         lto_orig_address_remove): Reimplement.
293
294 2010-04-28  Xinliang David Li  <davidxl@google.com>
295
296         PR c/42643
297         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
298         (compute_uninit_opnds_pos): New function.
299         (is_non_loop_exit_postdominating): New function.
300         (compute_control_dep_chain): New function.
301         (find_pdom): New function.
302         (convert_control_dep_chain_into_preds): New function.
303         (find_predicates): New function.
304         (find_control_equiv_block): New function.
305         (collect_phi_def_edges): New function.
306         (find_def_preds): New function.
307         (find_dom): New function.
308         (dump_predicates): New function.
309         (get_cmp_code): New function.
310         (is_value_included_in): New function.
311         (find_matching_predicate_in_rest_chains): New function.
312         (use_pred_not_overlap_with_undef_path_pred): New function.
313         (is_use_properly_guarded): New function.
314         (normalize_cond_1): New function.
315         (is_and_or_or): New function.
316         (normalize_cond): New function.
317         (is_gcond_subset_of): New function.
318         (is_subset_of_any): New function.
319         (is_or_set_subset_of): New function.
320         (is_and_set_subset_of): New function.
321         (is_norm_cond_subset_of): New function.
322         (is_pred_expr_subset_of): New function.
323         (is_pred_chain_subset_of): New function.
324         (is_included_in): New function.
325         (is_superset_of): New function.
326         (find_uninit_use): New function.
327         (warn_uninitialized_phi): New function.
328         (compute_possibly_undefined_names): New function.
329         (ssa_undefined_value_p): New function.
330         (execute_late_warn_uninitialized): New function.
331         * tree-ssa.c (ssa_undefined_value_p): Removed.
332         (warn_uninit): Changed to extern.
333         (warn_uninitialized_phi): Removed.
334         (warn_uninitialized_vars): Changed to extern.
335         (execute_late_warn_uninitialized): Removed
336         * tree-flow.h: Add new prototypes.
337         * timevar.def: Add new time variable.
338         * Makefile.in: Add new build file.
339
340 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
341
342         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
343         type if available.
344
345 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
346
347         PR target/22224
348         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
349
350 2010-04-28  Martin Jambor  <mjambor@suse.cz>
351
352         * cgraph.h (struct cgraph_node): New field indirect_calls.
353         (struct cgraph_indirect_call_info): New type.
354         (struct cgraph_edge): Removed field indirect_call. New fields
355         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
356         (cgraph_create_indirect_edge): Declare.
357         (cgraph_make_edge_direct): Likewise.
358         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
359         * ipa-prop.h (struct ipa_param_call_note): Removed.
360         (struct ipa_node_params): Removed field param_calls.
361         (ipa_create_all_structures_for_iinln): Declare.
362         * cgraph.c: Described indirect edges and uids in initial comment.
363         (cgraph_add_edge_to_call_site_hash): New function.
364         (cgraph_edge): Search also among the indirect edges, use
365         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
366         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
367         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
368         site hash.
369         (initialize_inline_failed): Assign a reason to indirect edges.
370         (cgraph_create_edge_1): New function.
371         (cgraph_create_edge): Moved some functionality to
372         cgraph_create_edge_1.
373         (cgraph_create_indirect_edge): New function.
374         (cgraph_edge_remove_callee): Add an assert checking for
375         non-indirectness.
376         (cgraph_edge_remove_caller): Special-case indirect edges.
377         (cgraph_remove_edge): Likewise.
378         (cgraph_set_edge_callee): New function.
379         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
380         (cgraph_make_edge_direct): New function.
381         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
382         the declaration of the call statement matches.
383         (cgraph_node_remove_callees): Special-case indirect edges.
384         (cgraph_clone_edge): Likewise.
385         (cgraph_clone_node): Clone also the indirect edges.
386         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
387         indirect_call, dump count of indirect_calls edges.
388         * ipa-prop.c (iinlining_processed_edges): New variable.
389         (ipa_note_param_call): Create indirect edges instead of
390         creating notes.  New parameter node.
391         (ipa_analyze_call_uses): New parameter node, pass it on to
392         ipa_note_param_call.
393         (ipa_analyze_stmt_uses): Likewise.
394         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
395         (print_edge_addition_message): Work on edges rather than on notes.
396         (update_call_notes_after_inlining): Likewise, renamed to
397         update_indirect_edges_after_inlining.
398         (ipa_create_all_structures_for_iinln): New function.
399         (ipa_free_node_params_substructures): Do not free notes.
400         (ipa_edge_duplication_hook): Propagate bits within
401         iinlining_processed_edges bitmap.
402         (ipa_node_duplication_hook): Do not duplicate notes.
403         (free_all_ipa_structures_after_ipa_cp): Renamed to
404         ipa_free_all_structures_after_ipa_cp.
405         (free_all_ipa_structures_after_iinln): Renamed to
406         ipa_free_all_structures_after_iinln.g
407         (ipa_write_param_call_note): Removed.
408         (ipa_read_param_call_note): Removed.
409         (ipa_write_indirect_edge_info): New function.
410         (ipa_read_indirect_edge_info): Likewise.
411         (ipa_write_node_info): Do not stream notes, do stream information
412         in indirect edges.
413         (ipa_read_node_info): Likewise.
414         (lto_ipa_fixup_call_notes): Removed.
415         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
416         * ipa-inline.c (pass_ipa_inline): Likewise.
417         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
418         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
419         * tree-inline.c (copy_bb): Removed an unnecessary double check for
420         is_gimple_call.
421         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
422         edges.
423         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
424         (output_cgraph): Stream also indirect edges.
425         (lto_output_edge): Added capability to stream indirect edges.
426         (input_edge): Likewise.
427         (input_cgraph_1): Likewise.
428         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
429         of indirect edges.
430
431 2010-04-28  Richard Guenther  <rguenther@suse.de>
432
433         PR tree-optimization/43879
434         PR tree-optimization/43909
435         * tree-ssa-structalias.c (struct variable_info): Add
436         only_restrict_pointers flag.
437         (new_var_info): Initialize it.  Increment stats.total_vars here.
438         (create_function_info_for): Do not increment stats.total_vars
439         here.
440         (get_function_part_constraint): Fix build with C++.
441         (insert_into_field_list): Remove.
442         (push_fields_onto_fieldstack): Properly merge fields.
443         (create_variable_info_for): Split and simplify.
444         (create_variable_info_for_1): New piece.
445         (intra_create_variable_infos): Properly make restrict constraints
446         from parameters.
447
448 2010-04-28  Richard Guenther  <rguenther@suse.de>
449
450         PR c++/43880
451         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
452         value-exprs.
453
454 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
455             Jan Hubicka <hubicka@ucw.cz>
456
457         * doc/invoke.texi (-Wsuggest-attribute=const,
458         -Wsuggest-attribute=pure): Document.
459         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
460         (function_always_visible_to_compiler_p,
461         suggest_attribute, warn_function_pure, warn_function_const):
462         New functions.
463         (check_call): Improve debug info.
464         (analyze_function): Do not check availability.
465         (add_new_function): Check availability.
466         (propagate): Output warnings.
467         (skip_function_for_local_pure_const): New function.
468         (local_pure_const): Use it; output warnings.
469         * common.opt (Wsuggest-attribute=const,
470         Wsuggest-attribute=pure): New.
471
472 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
473
474         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
475         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
476         or DW_CFA_def_cfa_offset{,_sf}.
477
478 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
479
480         * tree.h: Fix truncated long macros.
481
482 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
483
484         * collect2.c (TARGET_64BIT): Redefine to target's default.
485         * tlink.c: Likewise.
486         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
487         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
488         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
489         for underscoring __USER_LABEL_PREFIX__.
490         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
491         (SUB_LINK_ENTRY32): New.
492         (SUB_LINK_ENTRY64): New.
493         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
494         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
495         (SUB_LINK_ENTRY64): New.
496         (SUB_LINK_ENTRY): New.
497         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
498         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
499         x64 target is choosen.
500         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
501         * configure: Regenerated.
502         * configure.ac (leading-mingw64-underscores): Option added.
503
504 2010-04-27  Jan Hubicka  <jh@suse.cz>
505
506         * doc/invoke.texi (-fipa-profile): Document.
507         * opts.c (decode_options): Enable ipa-profile at -O1.
508         * timevar.def (TV_IPA_PROFILE): Define.
509         * common.opt (fipa-profile): Add.
510         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
511         flag for clones.
512         (cgraph_propagate_frequency): Handle only local ones.
513         * tree-pass.h (pass_ipa_profile): Declare.
514         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
515         (pass_ipa_profile): Use TV_IPA_PROFILE.
516         * ipa.c (ipa_profile): New function.
517         (gate_ipa_profile): Likewise.
518         (pass_ipa_profile): New global variable.
519         * passes.c (pass_ipa_profile): New.
520
521 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
522
523         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
524
525 2010-04-27  Martin Jambor  <mjambor@suse.cz>
526
527         PR middle-end/43812
528         * ipa.c (dissolve_same_comdat_group_list): New function.
529         (function_and_variable_visibility): Call
530         dissolve_same_comdat_group_list when comdat group contains external or
531         newly local nodes.
532         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
533         lists are circular and that they contain only DECL_ONE_ONLY nodes.
534
535 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
536
537         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
538         (const_hash_1) <VECTOR_CST>: New case.
539         (compare_constant) <VECTOR_CST>: Likewise.
540         <ADDR_EXPR>: Deal with LABEL_REFs.
541         (copy_constant) <VECTOR_CST>: New case.
542
543 2010-04-27  Jan Hubicka  <jh@suse.cz>
544
545         * cgraph.c (cgraph_propagate_frequency): New function.
546         * cgraph.h (cgraph_propagate_frequency): Declare.
547         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
548         cgraph_propagate_frequency.
549
550 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
551
552         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
553
554 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
555
556         PR target/40657
557         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
558         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
559         here to determine which regs to push and how much stack to reserve.
560
561 2010-04-27  Jie Zhang  <jie@codesourcery.com>
562
563         * doc/gimple.texi (gimple_statement_with_ops): Remove
564         addresses_taken field.
565         (gimple_statement_with_memory_ops): Likewise.
566
567 2010-04-27  Jan Hubicka  <jh@suse.cz>
568
569         * tree-inline.c (eni_inlining_weights): Remove.
570         (estimate_num_insns): Special case more builtins.
571
572 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
573
574         PR c/32207
575         * c-typeck.c (build_binary_op): Move forward check for comparison
576         pointer with null pointer constant and adjust the diagnostic message.
577
578 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
579
580         PR lto/42776
581         * configure.ac (gcc_cv_as_section_has_align): Set if installed
582         binutils supports extended .section directive needed by LTO, or
583         warn if older binutils found.
584         (LTO_BINARY_READER): New AC_SUBST'd variable.
585         (LTO_USE_LIBELF): Likewise.
586         * gcc/config.gcc (lto_binary_reader): New target-specific configure
587         variable.
588         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
589         (LTO_USE_LIBELF): Likewise.
590         * configure: Regenerate.
591
592         * collect2.c (is_elf): Rename from this ...
593         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
594          object files in addition to ELF-formatted ones.
595         (scan_prog_file): Caller updated.  Also allow for LTO info marker
596         symbol to be prefixed or not by an extra underscore.
597
598         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
599         * config/i386/winnt.c: Also #include lto-streamer.h
600         (i386_pe_asm_named_section): Specify 1-byte section alignment for
601         LTO named sections.
602         (i386_pe_asm_output_aligned_decl_common): Add comment.
603         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
604
605 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
606
607         PR target/43889
608         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
609         Add missing earlyclobber for second alternative.
610
611 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
612
613         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
614         bits for artificial defs at the top of the block.
615         * fwprop.c (single_def_use_enter_block): Don't call it.
616
617 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
618
619         PR 43715
620         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
621         instead of "$gcc_cv_objdump -T".
622         Use "-undefined dynamic_lookup" on darwin.
623         * gcc/configure: Regenerate.
624
625 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
626
627         PR c/43893
628         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
629
630 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
631
632         * c-parser.c (struct c_token): Move location field up.
633         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
634         (struct c_declspecs): Convert typespec_word, storage_class, and
635         default_int_p into bitfields.
636         (struct c_declarator): Move loc field up.
637
638 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
639
640         * cfgloop.h (struct loop): Move can_be_parallel field up.
641         * ipa-prop.h (struct ip_node_params): Move bitfields up.
642         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
643         down.
644         (struct iv_cand): Convert pos field into a bitfield.
645         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
646         field up.
647         (struct _stmt_vec_info): Shuffle fields for better packing.
648
649 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
650
651         * varasm.c (IN_NAMED_SECTION): Remove guard.
652         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
653         (IN_NAMED_SECTION_P): ...this.
654         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
655         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
656
657 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
658
659         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
660         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
661         of shadowing it.  Fix comments.
662
663 2010-04-26  Jan Hubicka  <jh@suse.cz>
664
665         * cgraph.c (cgraph_create_node): Set node frequency to normal.
666         (cgraph_clone_node): Copy function frequency.
667         * cgraph.h (node_frequency): New enum
668         (struct cgraph_node): Add.
669         * final.c (rest_of_clean_state): Update.
670         * lto-cgraph.c (lto_output_node): Output node frequency.
671         (input_overwrite_node): Input node frequency.
672         * tre-ssa-loop-ivopts (computation_cost): Update.
673         * lto-streamer-out.c (output_function): Do not output function
674         frequency.
675         * predict.c (maybe_hot_frequency_p): Update and handle functions
676         executed once.
677         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
678         attribute lookup.
679         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
680         (compute_function_frequency): Set noreturn functions to be executed
681         once.
682         (choose_function_section): Update.
683         * lto-streamer-in.c (input_function): Do not input function frequency.
684         * function.c (allocate_struct_function): Do not initialize function
685         frequency.
686         * function.h (function_frequency): Remove.
687         (struct function): Remove function frequency.
688         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
689         (try_update): Update.
690         * tree-inline.c (initialize_cfun): Do not update function frequency.
691         * passes.c (pass_init_dump_file): Update.
692         * i386.c (ix86_compute_frame_layout): Update.
693         (ix86_pad_returns): Update.
694
695 2010-04-26  Jie Zhang  <jie@codesourcery.com>
696
697         PR tree-optimization/43833
698         * tree-vrp.c (range_int_cst_p): New.
699         (range_int_cst_singleton_p): New.
700         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
701         when both operands are constants.  Use range_int_cst_p in
702         BIT_IOR_EXPR case.
703
704 2010-04-26  Jan Hubicka  <jh@suse.cz>
705
706         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
707
708 2010-04-26  Richard Guenther  <rguenther@suse.de>
709
710         PR lto/43080
711         * gimple.c (gimple_decl_printable_name): Deal gracefully
712         with a NULL DECL_NAME.
713
714 2010-04-26  Richard Guenther  <rguenther@suse.de>
715
716         PR lto/42425
717         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
718         if emitting debug information and it is either a function
719         or a namespace decl.
720
721 2010-04-26  Ira Rosen  <irar@il.ibm.com>
722
723         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
724         determine if the statement is vectorizable, and a macro to access it.
725         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
726         Skip statements that can't be vectorized. If the analysis fails,
727         mark the statement as unvectorizable if vectorizing basic block.
728         (vect_compute_data_refs_alignment): Likewise.
729         (vect_verify_datarefs_alignment): Skip statements marked as
730         unvectorizable. Add print.
731         (vect_analyze_group_access): Skip statements that can't be
732         vectorized. If the analysis fails, mark the statement as
733         unvectorizable if vectorizing basic block.
734         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
735         * tree-vect-stmts.c (vectorizable_store): Fix the number of
736         generated stmts for SLP.
737         (new_stmt_vec_info): Initialize the new field.
738         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
739         statements marked as unvectorizable.
740
741 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
742
743         * c-common.c (flag_isoc1x): New.
744         (flag_isoc99): Update comment.
745         * c-common.h (flag_isoc1x): New.
746         (flag_isoc99): Update comment.
747         * c-cppbuiltin.c (builtin_define_float_constants): Also define
748         __<type>_DECIMAL_DIG__.
749         * c-opts.c (set_std_c1x): New.
750         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
751         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
752         * c.opt (-std=c1x, -std=gnu1x): New options.
753         * doc/cpp.texi: Mention -std=c1x.
754         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
755         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
756         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
757         * doc/standards.texi: Mention C1X.
758         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
759         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
760         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
761         Define for C1X.
762
763 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
764
765         * config/i386/gmon-sol2.c (_mcleanup): Change format string
766         placeholder from 0x%x to %#x.
767         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
768         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
769         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
770         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
771         * config/i386/i386.c (ix86_target_string): Ditto.
772         (output_pic_addr_const): Ditto.
773         (print_operand): Ditto.
774
775 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
776
777         * combine.c (find_split_point): Add third argument.  Use it
778         to find nested multiply-accumulate instructions.  Adjust calls.
779         (try_combine): Adjust call to find_split_point.
780
781 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
782
783         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
784
785 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
786
787         PR tree-optimization/41442
788         * fold-const.c (merge_truthop_with_opposite_arm): New function.
789         (fold_binary_loc): Call it.
790
791 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
792
793         * toplev.c (general_init): Set default for fdiagnostics-show-option.
794         * opts.c (common_handle_option): Allow disabling it.
795         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
796
797 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
798
799         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
800         between modes if both types are integral.
801
802 2010-04-23  Richard Guenther  <rguenther@suse.de>
803
804         PR tree-optimization/43572
805         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
806
807 2010-04-23  Richard Guenther  <rguenther@suse.de>
808
809         PR lto/43455
810         * tree-inline.c (tree_can_inline_p): Also check compatibility
811         of return types.
812
813 2010-04-23  Martin Jambor  <mjambor@suse.cz>
814
815         PR tree-optimization/43846
816         * tree-sra.c (struct access): New flag grp_assignment_read.
817         (build_accesses_from_assign): Set grp_assignment_read.
818         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
819         (enum mark_read_status): New type.
820         (analyze_access_subtree): Propagate grp_assignment_read, create
821         accesses also if both direct_read and root->grp_assignment_read.
822
823 2010-04-23  Martin Jambor  <mjambor@suse.cz>
824
825         PR middle-end/43835
826         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
827         function does not have type attributes.
828
829 2010-04-23  Richard Guenther  <rguenther@suse.de>
830
831         PR lto/42653
832         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
833         of FUNCTION_DECLs.
834
835 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
836
837         * sese.h (create_if_region_on_edge): Remove.
838
839         * sese.c (create_if_region_on_edge): Make static.
840
841         * tree-inline.c: Do not include ggc.h.
842
843         * expr.c: Do not include ggc.h.
844
845         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
846         dependencies.
847
848 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
849
850         PR target/43744
851         * config/sh/sh.c (find_barrier): Don't emit a constant pool
852         in the middle of insns for casesi_worker_2.
853
854 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
855
856         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
857
858 2010-04-22  Ira Rosen  <irar@il.ibm.com>
859
860         PR tree-optimization/43842
861         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
862         loop unrolling in update of exit phis. Fix comment.
863         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
864         least two reduction statements in the loop before starting SLP
865         analysis.
866
867 2010-04-22  Nick Clifton  <nickc@redhat.com>
868
869         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
870
871 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
872
873         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
874         to simplify a + ~a.
875
876 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
877
878         * tree-parloops.c (loop_parallel_p): New argument
879         parloop_obstack.  Pass it down.
880         (parallelize_loops): New variable parloop_obstack.  Initialize it,
881         pass it down, free it.
882
883         * tree-loop-linear.c (linear_transform_loops): Pass down
884         lambda_obstack.
885
886         * tree-data-ref.h (lambda_compute_access_matrices): New argument
887         of type struct obstack *.
888
889         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
890         scratch_obstack.  Initialize it, pass down, free it.
891
892         * lambda.h (lambda_loop_new): Remove.
893         (lambda_matrix_new, lambda_matrix_inverse)
894         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
895         argument of type struct obstack *.
896
897         * lambda-trans.c (lambda_trans_matrix_new): New argument
898         lambda_obstack.  Pass it down, use obstack allocation for ret.
899         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
900         it down.
901
902         * lambda-mat.c (lambda_matrix_get_column)
903         (lambda_matrix_project_to_null): Remove.
904         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
905         allocation for mat.
906         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
907         lambda_obstack.
908
909         * lambda-code.c (lambda_loop_new): New function.
910         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
911         (lambda_compute_auxillary_space, lambda_compute_target_space)
912         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
913         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
914         (build_access_matrix): New argument lambda_obstack.  Use obstack
915         allocation for am.
916         (lambda_compute_step_signs, lambda_compute_access_matrices): New
917         argument lambda_obstack.  Pass it down.
918
919 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
920
921         * optabs.h (expand_widening_mult): Declare.
922
923 2010-04-22  Richard Guenther  <rguenther@suse.de>
924
925         PR tree-optimization/43845
926         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
927         lookup the CALL_EXPR function and arguments.
928
929 2010-04-22  Nick Clifton  <nickc@redhat.com>
930
931         * config/stormy16/stormy16.c
932         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
933         * config/stormy16/stormy16.h: Tidy up formatting.
934         (DONT_USE_BUILTIN_SETJMP): Remove definition.
935         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
936         (ineqbranchsi): Delete pattern.
937         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
938         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
939         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
940         stormy16-lib2-ucmpsi2.c.
941
942 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
943
944         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
945         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
946         extra set merge_set_noclobber, and use it to relax the final test
947         slightly.
948         * df.h (df_simulate_find_noclobber_defs): Declare.
949         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
950         conditional defs.
951         (df_simulate_find_noclobber_defs): New function.
952
953 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
954
955         * config/i386/i386.md: Use {} around multi-line preparation statements.
956
957 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
958
959         * c-tree.h (push_init_level, pop_init_level, set_init_index)
960         (process_init_element): New argument of type struct obstack *.
961
962         * c-typeck.c (push_init_level, pop_init_level, set_designator)
963         (set_init_index, set_init_label, set_nonincremental_init)
964         (set_nonincremental_init_from_string, find_init_member)
965         (output_init_element, output_pending_init_elements)
966         (process_init_element): New argument braced_init_obstack.  Pass it
967         down.
968         (push_range_stack, add_pending_init): New argument
969         braced_init_obstack.  Use obstack allocation.
970
971         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
972         braced_init_obstack.  Pass it down.
973         (c_parser_braced_init): New variables ret, braced_init_obstack.
974         Initialize obstack, pass it down and finally free it.
975
976 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
977
978         PR middle-end/29274
979         * tree-pass.h (pass_optimize_widening_mul): Declare.
980         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
981         gate_optimize_widening_mul): New static functions.
982         (pass_optimize_widening_mul): New.
983         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
984         <case MULT_EXPR>: Remove support for widening multiplies.
985         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
986         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
987         simplify_gen_unary rather than directly building extensions.
988         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
989         WIDEN_MULT_EXPR.
990         * expmed.c (expand_widening_mult): New function.
991         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
992
993 2010-04-21  Jan Hubicka  <jh@suse.cz>
994
995         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
996         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
997         * lto-wpa-fixup.c: Remove.
998         * Makefile.in (lto-wpa-fixup.o): Remove.
999         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1000         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1001         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1002
1003 2010-04-21  Jan Hubicka  <jh@suse.cz>
1004
1005         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1006         add write_optimization_summary, read_optimization_summary.
1007         (ipa_write_summaries_of_cgraph_node_set): Remove.
1008         (ipa_write_optimization_summaries): Declare.
1009         (ipa_read_optimization_summaries): Declare.
1010         * ipa-cp.c (pass_ipa_cp): Update.
1011         * ipa-reference.c (pass_ipa_reference): Update.
1012         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1013         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1014         Update.
1015         * ipa-inline.c (pass_ipa_inline): Update.
1016         * ipa.c (pass_ipa_whole_program): Update.
1017         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1018         * passes.c (ipa_write_summaries_1): Do not test wpa.
1019         (ipa_write_optimization_summaries_1): New.
1020         (ipa_write_optimization_summaries): New.
1021         (ipa_read_summaries): Do not test ltrans.
1022         (ipa_read_optimization_summaries_1): New.
1023         (ipa_read_optimization_summaries): New.
1024
1025 2010-04-21  Jan Hubicka  <jh@suse.cz>
1026
1027         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1028         for boundary nodes.
1029         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1030
1031 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1032
1033         PR debug/40040
1034         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1035         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1036
1037 2010-04-21  Jan Hubicka  <jh@suse.cz>
1038
1039         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1040
1041 2010-04-21  Jan Hubicka  <jh@suse.cz>
1042
1043         * varpool.c (decide_is_variable_needed): Variable is always needed
1044         during ltrans.
1045
1046 2010-04-21  Jan Hubicka  <jh@suse.cz>
1047
1048         * opts.c (decode_options): Enable pure-const pass for whopr.
1049
1050 2010-04-21  Jan Hubicka  <jh@suse.cz>
1051
1052         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1053         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1054         at WPA dumping.
1055         (cgraph_decide_inlining): Do not expect callee to be removed in all
1056         cases.
1057
1058 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1059
1060         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1061
1062 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1063
1064         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1065         amdfam10_decode attributes.
1066
1067 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1068
1069         PR middle-end/43570
1070         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1071         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1072         (lower_copyprivate_clauses): Use private var in outer
1073         context instead of original var.  Make sure the types
1074         are correct for VLAs.
1075
1076 2010-04-21  Richard Guenther  <rguenther@suse.de>
1077
1078         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1079         to non-pointer objects.
1080
1081 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1082
1083         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1084         last chain entry if it starts with the still current label.
1085         (add_location_or_const_value_attribute): Check that
1086         loc_list->first->next is NULL instead of comparing ->first with ->last.
1087         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1088         to add_var_loc_to_decl.
1089
1090         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1091         >= 4 add also address size and segment size fields into CIE header.
1092
1093         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1094         long as address size is the same as sizeof (void *) and
1095         segment size is 0.
1096         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1097         address size or segment size is unexpected, return DW_EH_PE_omit.
1098         (classify_object_over_fdes): If get_cie_encoding returned
1099         DW_EH_PE_omit, return -1.
1100         (init_object): If classify_object_over_fdes returned -1,
1101         pretend there were no FDEs at all.
1102
1103 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1106         bswap{si,di}2 using SWI48 mode iterator.
1107         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1108         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1109         set modrm attribute of bswap insn to 0 and remove length attribute.
1110         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1111         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1112         set mode attribute to <MODE> and remove length attribute.
1113
1114 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1115
1116         PR rtl-optimization/43520
1117         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1118         zero available registers.
1119
1120 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1121
1122         * builtins.c (fold_builtin_cproj): Fold more cases.
1123
1124 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1125
1126         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1127         (fold_builtin_1): Fold builtin cproj.
1128         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1129         Use ATTR_CONST_NOTHROW_LIST.
1130
1131 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1132
1133         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1134         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1135         ffsi2_no_cmove for !TARGET_CMOVE.
1136         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1137         (ffssi2): Remove expander.
1138         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1139         mode iterator.
1140         (ctz<mode>2): Ditto from ctz{si,di}2.
1141         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1142         mode iterator.
1143         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1144         mode iterator.
1145
1146 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1147
1148         * dwarf2out.c (AT_linkage_name): Define.
1149         (clone_as_declaration): Handle DW_AT_linkage_name.
1150         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1151         of DW_AT_MIPS_linkage_name.
1152         (move_linkage_attr): Likewise.
1153         (dwarf2out_finish): Likewise.
1154
1155 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1156
1157         PR middle-end/41952
1158         * fold-const.c (fold_comparison): New folding rule.
1159
1160 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1161
1162         * double-int.h (double_int_setbit): Declare.
1163         * double-int.c (double_int_setbit): New function.
1164         * rtl.h (immed_double_int_const): Declare.
1165         * emit-rtl.c (immed_double_int_const): New function.
1166         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1167         and immed_double_int_const functions.
1168         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1169         expand_copysign_bit):  (Ditto.).
1170         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1171         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1172         * dojump.c (prefer_and_bit_test): (Ditto.).
1173         * expr.c (convert_modes, reduce_to_bit_field_precision,
1174         const_vector_from_tree): (Ditto.).
1175         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1176
1177 2010-04-20  Jan Hubicka  <jh@suse.cz>
1178
1179         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1180         (dump_cgraph_node): Dump new flags.
1181         * cgraph.h (struct cgraph_node): Add flags
1182         reachable_from_other_partition and in_other_partition.
1183         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1184         other partition can not be removed.
1185         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1186         the other partition must be output; silence sanity checking on
1187         leaking functions bodies from other paritition.
1188         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1189         (lto_output_node): Output new flags; do not sanity check that inline
1190         clones are output; drop lto_forced_extern_inline_p code; do not mock
1191         visibility flags at partition boundaries.
1192         (add_node_to): New function.
1193         (output_cgraph): Use it to sort functions so masters appear before
1194         clones.
1195         (input_overwrite_node): Input new flags.
1196         * passes.c (ipa_write_summaries): Do not call
1197         lto_new_extern_inline_states.
1198         * lto-section-out.c (forced_extern_inline,
1199         lto_new_extern_inline_states lto_delete_extern_inline_states,
1200         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1201         * lto-streamer.h (lto_new_extern_inline_states,
1202         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1203         lto_forced_extern_inline_p): Kill.
1204
1205 2010-04-20  Richard Guenther  <rguenther@suse.de>
1206
1207         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1208         from vars that can have pointers.
1209         (process_constraint): Dump useless constraints.
1210
1211 2010-04-20  Richard Guenther  <rguenther@suse.de>
1212
1213         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1214         (dump_sa_points_to_info): Remove asserts.
1215         (init_base_vars): nothing_id isn't an escape point nor does it
1216         have pointers.
1217
1218 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1219
1220         * tree.h (TYPE_REF_IS_RVALUE): Define.
1221         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1222         should_move_die_to_comdat, prune_unused_types_walk): Handle
1223         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1224         (modified_type_die, gen_reference_type_die): Emit
1225         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1226         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1227
1228 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1229
1230         PR target/43635
1231         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1232         calls for -fpic -m31 if they have been sibcall optimized.
1233
1234 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1235
1236         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1237         ar.lc fixed and call-used.
1238
1239         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1240
1241 2010-04-19  Jan Hubicka  <jh@suse.cz>
1242
1243         * opts.c (decode_options): Disable whpr incompatible passes.
1244         * lto/lto.c (lto_1_to_1_map): Skip clones.
1245         (read_cgraph_and_symbols): Do not mark everything as needed.
1246         (do_whole_program_analysis): Do map only after optimizing;
1247         set proper cgraph_state; use passmanager.
1248
1249 2010-04-19  DJ Delorie  <dj@redhat.com>
1250
1251         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1252         POINTER_PLUS_EXPR and fix them.
1253
1254 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1255
1256         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1257         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1258         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1259         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1260         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1261         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1262         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1263         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1264         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1265         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1266         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1267
1268 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1269
1270         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1271         (check_cond_move_block): Likewise.
1272         (cond_move_process_if_block): Likewise.
1273         (noce_find_if_block): Improve formatting.
1274         (find_if_header): Pass 0 to memset and tweak conditions.
1275         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1276
1277 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1278
1279         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1280         for -gdwarf-4.
1281
1282         PR middle-end/43337
1283         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1284         with non-local decl doesn't need chain.
1285
1286 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1287
1288         * ira-color.c (allocno_reload_assign): Avoid accumulating
1289         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1290
1291 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1292
1293         * gimple.h (create_tmp_reg): Declare.
1294         * gimplify.c (create_tmp_reg): New function.
1295         (gimplify_return_expr): Use create_tmp_reg.
1296         (gimplify_omp_atomic): Likewise.
1297         (gimple_regimplify_operands): Likewise.
1298         * tree-dfa.c (make_rename_temp): Likewise.
1299         * tree-predcom.c (predcom_tmp_var): Likewise.
1300         (reassociate_to_the_same_stmt): Likewise.
1301         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1302         (get_replaced_param_substitute): Likewise.
1303         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1304         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1305         * tree-ssa-pre.c (get_representative_for): Likewise.
1306         (create_expression_by_pieces): Likewise.
1307         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1308         (create_tailcall_accumulator): Likewise.
1309
1310 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1311
1312         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1313         new_stmt.
1314         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1315
1316 2010-04-19  Richard Guenther  <rguenther@suse.de>
1317
1318         PR tree-optimization/43796
1319         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1320         from SCEV in the lattice.
1321         (vrp_visit_phi_node): Dump change.
1322
1323 2010-04-19  Richard Guenther  <rguenther@suse.de>
1324
1325         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1326         * configure: Re-generated.
1327
1328 2010-04-19  Richard Guenther  <rguenther@suse.de>
1329
1330         PR tree-optimization/43783
1331         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1332         constant ARRAY_REF operands two and three if possible.
1333
1334 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1335
1336         PR target/43766
1337         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1338
1339 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1340
1341         PR target/43662
1342         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1343
1344 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1345
1346         PR tree-optimization/37027
1347         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1348         and macro to access it.
1349         (vectorizable_reduction): Add argument.
1350         (vect_get_slp_defs): Likewise.
1351         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1352         statements for possible use in SLP.
1353         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1354         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1355         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1356         add new argument.
1357         (vectorizable_reduction): Likewise.
1358         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1359         vect_get_slp_defs.
1360         (vectorizable_type_demotion, vectorizable_type_promotion,
1361         vectorizable_store): Likewise.
1362         (vect_analyze_stmt): Update call to vectorizable_reduction.
1363         (vect_transform_stmt): Likewise.
1364         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1365         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1366         from different interleaving chains in same node.
1367         (vect_slp_rearrange_stmts): New function.
1368         (vect_supported_load_permutation_p): Allow load permutations for
1369         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1370         inside SLP nodes if necessary.
1371         (vect_analyze_slp_instance): Handle reductions.
1372         (vect_analyze_slp): Try to build SLP instances originating from groups
1373         of reductions.
1374         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1375         (vect_get_constant_vectors): Create initial vectors for reductions
1376         according to reduction code. Add new argument.
1377         (vect_get_slp_defs): Add new argument, pass it to
1378         vect_get_constant_vectors.
1379         (vect_schedule_slp_instance): Remove SLP tree root statements.
1380
1381 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1382
1383         * tree.h (ENUM_IS_SCOPED): Define.
1384         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1385         for ENUM_IS_SCOPED enums.
1386
1387 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1388
1389         * fold-const.c (fold_comparison): Use ssizetype.
1390         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1391         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1392         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1393         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1394
1395         * tree.h (initialize_sizetypes): Remove parameter.
1396         (build_common_tree_nodes): Remove second parameter.
1397         * stor-layout.c (initialize_sizetypes): Remove parameter.
1398         Always create an unsigned type.
1399         (set_sizetype): Assert that the passed type is unsigned and simplify.
1400         * tree.c (build_common_tree_nodes): Remove second parameter.
1401         Adjust call to initialize_sizetypes.
1402         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1403         build_common_tree_nodes.
1404
1405 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1406
1407         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1408
1409 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1410
1411         PR tree-optimization/43771
1412         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1413         load permutation doesn't have gaps.
1414
1415 2010-04-18  Jan Hubicka  <jh@suse.cz>
1416
1417         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1418         (sse_prologue_save_insn expander): Use new pattern.
1419         (sse_prologue_save_insn1): New pattern and splitter.
1420         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1421         blocks.
1422         * i386.c (setup_incoming_varargs_64): Do not compute jump
1423         destination here.
1424         (ix86_gimplify_va_arg): Update alignment needed.
1425         (ix86_local_alignment): Do not align all local arrays to 128bit.
1426
1427 2010-04-17  Jan Hubicka  <jh@suse.cz>
1428
1429         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1430
1431 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1432
1433         * arm.md (negdi2): Remove redundant code to force values into a
1434         register.
1435
1436 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1437
1438         * arm/bpabi.S: Add EABI alignment attributes to objects.
1439         * arm/bpabi-v6m.S: Likewise.
1440         * arm/crti.asm: Likewise.
1441         * arm/crtn.asm: Likewise.
1442         * arm/lib1funcs.asm: Likewise.
1443         * arm/libunwind.S: Likewise.
1444
1445 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1446
1447         * arm-protos.h (tune_params): New structure.
1448         * arm.c (current_tune): New variable.
1449         (arm_constant_limit): Delete.
1450         (struct processors): Add pointer to the tune parameters.
1451         (arm_slowmul_tune): New tuning option.
1452         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1453         (all_cores): Adjust to pick up the tuning model.
1454         (arm_constant_limit): New function.
1455         (arm_override_options): Select the appropriate tuning model.  Delete
1456         initialization of arm_const_limit.
1457         (arm_split_constant): Use the new constant-limit model.
1458         (arm_rtx_costs): Pick up the current tuning model.
1459         * arm.md (is_strongarm, is_xscale): Delete.
1460         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1461         for Xscale variant architectures.
1462         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1463
1464 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1465
1466         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1467         can_shift.
1468         (arm_rtx_costs_1): Remove unused variable extra_cost.
1469         (arm_unwind_emit_set): Use variable offset.
1470         (thumb1_output_casesi): Remove unused variable flags.
1471
1472 2010-04-16  Jeff Law  <law@redhat.com>
1473
1474         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1475         needing assignment rather than doing a two-phase assignment.  Remove
1476         unused variable 'm'.
1477
1478 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR bootstrap/43767
1481         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1482
1483 2010-04-16  Doug Kwan  <dougkwan@google.com>
1484
1485         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1486         (next_operand_entry_id): New static variable.
1487         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1488         (add_to_ops_vec): Assigned unique ID to operand entry.
1489         (struct oecount_s): New field ID.
1490         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1491         (undistribute_ops_list): Assign unique IDs to oecounts.
1492         (init_reassoc): reset next_operand_entry_id.
1493
1494 2010-04-16  Doug Kwan  <dougkwan@google.com>
1495
1496         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1497         missing left parenthesis.
1498
1499 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1500
1501         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1502         *btdi_rex64 using SWI48 mode iterator.
1503         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1504         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1505         *jcc_btdi_mask_rex64.
1506
1507 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1508
1509         * double-int.h (tree_to_double_int): Convert to macro.
1510         * double-int.c (tree_to_double_int): Remove.
1511
1512 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1513
1514         PR debug/43762
1515         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1516         with want_address 2 and in case a single element list might be
1517         possible, call it again with want_address 0.
1518
1519 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1520
1521         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1522         case 'W' print operands for HI mode.
1523         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1524         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1525         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1526         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1527
1528         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1529
1530         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1531         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1532         #xx:3 and #xx:4 mode.
1533
1534         * config/h8300/h8300.md (inverted load with HImode dest): Add
1535         support for H8300SX.
1536
1537         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1538         satisfy 'U' constraint.
1539
1540 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1541
1542         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1543         * configure: Regenerate.
1544         * config.in: Regenerate.
1545         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1546         works.
1547
1548 2010-04-16  Richard Guenther  <rguenther@suse.de>
1549
1550         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1551         (struct tree_decl_common): ... here.
1552         (DECL_PT_UID): Adjust.
1553         (SET_DECL_PT_UID): Likewise.
1554         (DECL_PT_UID_SET_P): Likewise.
1555
1556 2010-04-16  Richard Guenther  <rguenther@suse.de>
1557
1558         PR tree-optimization/43572
1559         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1560         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1561         * tree-flow.h (is_call_clobbered): Remove.
1562         * tree-flow-inline.h (is_call_clobbered): Likewise.
1563         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1564         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1565         (execute_return_slot_opt): Adjust.
1566         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1567         check for call clobbered vars here.
1568         (find_tail_calls): Move tailcall verification to the
1569         proper place.
1570
1571 2010-04-16  Diego Novillo  <dnovillo@google.com>
1572
1573         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1574
1575 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1576
1577         PR target/40603
1578         * config/arm/arm.md (cbranchqi4): New pattern.
1579         * config/arm/predicates.md (const0_operand,
1580         cbranchqi4_comparison_operator): New predicates.
1581
1582 2010-04-16  Richard Guenther  <rguenther@suse.de>
1583
1584         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1585         (dump_gimple_stmt): Likewise.
1586
1587 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1588
1589         * recog.h (struct recog_data): New field is_operator.
1590         (struct insn_operand_data): New field is_operator.
1591         * recog.c (extract_insn): Set recog_data.is_operator.
1592         * genoutput.c (output_operand_data): Emit code to set the
1593         is_operator field.
1594         * reload.c (find_reloads): Use it rather than testing for an
1595         empty constraint string.
1596
1597         PR target/41514
1598         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1599         If the previous insn is a cbranchsi4_insn with the same arguments,
1600         omit the compare instruction.
1601
1602         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1603         register, inputs must be low registers and we need a low register
1604         scratch.  Handle alternative 2 like alternative 3.
1605
1606 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1607
1608         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1609         don't call get_addr on both.  If one expression is a VALUE and
1610         the other a REG, check VALUE's locs if the REG isn't among them.
1611
1612 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1613
1614         * config/sh/sh.h (sh_frame_pointer_required): New function.
1615         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1616         (flag_omit_frame_pointer) Set.
1617         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1618         (rounded_frame_size): Adjust size with outgoing_args_size.
1619         (sh_set_return_address): Must return from stack pointer.
1620         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1621         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1622         (ACCUMULATE_OUTGOING_ARGS): Define.
1623         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1624         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1625
1626 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1627
1628         PR target/43471
1629         * config/sh/sh.c (sh_legitimize_reload_address): Use
1630         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1631         Remove a unneeded check for offset_base.
1632
1633 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1634
1635         * configure: Regenerated.
1636
1637 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1638
1639         * config/s390/s390.c (s390_call_save_register_used): Switch back
1640         to HARD_REGNO_NREGS.
1641
1642 2010-04-15  Richard Guenther  <rguenther@suse.de>
1643
1644         * alias.c (alias_set_subset_of): Handle alias-set zero
1645         child properly.
1646
1647 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1648             Julian Brown  <julian@codesourcery.com>
1649
1650         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1651         alternatives according to use of high and low regs.
1652         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1653         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1654         optimizing for size on Thumb-2.
1655
1656 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1657
1658         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1659
1660 2010-04-15  Richard Guenther  <rguenther@suse.de>
1661
1662         * tree-ssa-structalias.c (struct variable_info): Add
1663         is_fn_info flag.
1664         (new_var_info): Initialize it.
1665         (dump_constraints): Support printing last added constraints.
1666         (debug_constraints): Adjust.
1667         (dump_constraint_graph): Likewise.
1668         (make_heapvar_for): Check for NULL cfun.
1669         (get_function_part_constraint): New function.
1670         (get_fi_for_callee): Likewise.
1671         (find_func_aliases): Properly implement IPA PTA constraints.
1672         (process_ipa_clobber): New function.
1673         (find_func_clobbers): Likewise.
1674         (insert_into_field_list_sorted): Remove.
1675         (create_function_info_for): Properly allocate vars for IPA mode.
1676         Do not use insert_into_field_list_sorted.
1677         (create_variable_info_for): Properly generate constraints for
1678         global vars in IPA mode.
1679         (dump_solution_for_var): Always dump the solution.
1680         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1681         (find_what_var_points_to): Adjust.
1682         (pt_solution_set): Change.
1683         (pt_solution_ior_into): New function.
1684         (pt_solution_empty_p): Export.
1685         (pt_solution_includes_global): Adjust.
1686         (pt_solution_includes_1): Likewise.
1687         (pt_solutions_intersect_1): Likewise.
1688         (dump_sa_points_to_info): Check some invariants.
1689         (solve_constraints): Move constraint dumping ...
1690         (compute_points_to_sets): ... here.
1691         (ipa_pta_execute): ... and here.
1692         (compute_may_aliases): Do not re-compute points-to info
1693         locally if IPA info is available.
1694         (ipa_escaped_pt): New global var.
1695         (ipa_pta_execute): Properly implement IPA PTA.
1696         * tree-into-ssa.c (dump_decl_set): Support dumping
1697         decls not in referenced-vars.
1698         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1699         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1700         (dump_points_to_solution): Likewise.
1701         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1702         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1703         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1704         (copy_decl_to_var): Copy DECL_PT_UID.
1705         (copy_result_decl_to_var): Likewise.
1706         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1707         (copy_node_stat): Copy it.
1708         * tree.h (DECL_PT_UID): New macro.
1709         (SET_DECL_PT_UID): Likewise.
1710         (DECL_PT_UID_SET_P): Likewise.
1711         (struct tree_decl_minimal): Add pt_uid member.
1712         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1713         (pt_solution_empty_p): Declare.
1714         (pt_solution_set): Adjust.
1715         (ipa_escaped_pt): Declare.
1716         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1717         * gimple-pretty-print.c (pp_points_to_solution): New function.
1718         (dump_gimple_call): Dump call clobber/use information.
1719         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1720         * tree-pass.h (TDF_ALIAS): New dump option.
1721         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1722         * doc/invoke.texi (-fipa-pta): Update documentation.
1723
1724 2010-04-15  Richard Guenther  <rguenther@suse.de>
1725
1726         * Makefile.in (OBJS-common): Add gimple-fold.o.
1727         (gimple-fold.o): New rule.
1728         * tree.h (maybe_fold_offset_to_reference,
1729         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1730         prototypes ...
1731         * gimple.h: ... here.
1732         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1733         may_propagate_address_into_dereference): Move prototypes ...
1734         * gimple.h: ... here.
1735         * tree-ssa-ccp.c (get_symbol_constant_value,
1736         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1737         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1738         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1739         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1740         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1741         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1742         gimplify_and_update_call_from_tree): Move ...
1743         * gimple-fold.c: ... here.  New file.
1744         (ccp_fold_builtin): Rename to ...
1745         (gimple_fold_builtin): ... this.
1746         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1747
1748 2010-04-15  Richard Guenther  <rguenther@suse.de>
1749
1750         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1751         fit_double_type, force_fit_type_double, add_double_with_sign,
1752         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1753         lrotate_double, rrotate_double, div_and_round_double): Move ...
1754         * double-int.c: ... here.
1755         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1756         add_double, neg_double, mul_double_with_sign, mul_double,
1757         lshift_double, rshift_double, lrotate_double, rrotate_double,
1758         div_and_round_double): Move prototypes ...
1759         * double-int.h: ... here.
1760
1761 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1762
1763         PR target/43742
1764         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1765         matching constraints to ensure inputs match the output.
1766
1767 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1768
1769         PR target/43742
1770         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1771         in an input-only operand.
1772
1773 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1774
1775         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1776         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1777         (double_int_negative_p): Convert to static inline function.
1778         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1779         (double_int_negative_p): Remove.
1780         * tree.h (lshift_double, rshift_double):
1781         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1782         * fold-const.c (fold_convert_const_int_from_real,
1783         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1784         (lshift_double): Change type of arith argument to bool.
1785         (rshift_double): Change type of arith argument to bool. Correct
1786         comment.
1787         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1788
1789 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1790
1791         PR target/21803
1792         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1793         at the start and end of the then/else blocks, and omit them from the
1794         conversion.
1795         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1796         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1797         (flow_find_head_matching_sequence): New function.
1798         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1799         * basic-block.h (flow_find_cross_jump,
1800         flow_find_head_matching_sequence): Declare functions.
1801
1802 2010-04-14  Jason Merrill  <jason@redhat.com>
1803
1804         PR c++/36625
1805         * c-common.c (attribute_takes_identifier_p): New fn.
1806         * c-common.h: Declare it.
1807
1808 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1809
1810         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1811         splitter condition.
1812         (*udivmod<mode>4): Ditto.
1813
1814 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1815
1816         * config/i386/i386.md (maxmin_int): Rename code attribute from
1817         maxminiprefix and update all users.
1818         (maxmin_float): Ditto from maxminfprefix.
1819         (logic): Ditto from logicprefix.
1820         (absneg_mnemonic): Ditto from absnegprefix.
1821         * config/i386/mmx.md: Update all users of maxminiprefix,
1822         maxminfprefix and logicprefix for rename.
1823         * config/i386/sse.md: Ditto.
1824         * config/i386/sync.md (sync_<code><mode>): Update for
1825         logicprefix rename.
1826
1827 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1828
1829         PR 42966
1830         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1831         warnings converted to errors.
1832
1833 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1834
1835         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1836         used insn_type variable.
1837         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1838         to avoid set-but-not-used warning.
1839
1840 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         * df-core.c (df_ref_debug): Change format string placeholder
1843         from 0x%x to %#x.
1844         * dwarf2asm.c (dw2_asm_output_data_raw,
1845         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1846         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1847         * dwarf2out.c (output_cfi, output_cfi_directive,
1848         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1849         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1850         Ditto.
1851         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1852         * print-rtl.c (print_rtx): Ditto.
1853
1854 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1855
1856         PR middle-end/42694
1857         * builtins.c (expand_builtin_pow_root): New function to expand pow
1858         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1859         series of sqrt and cbrt calls under -ffast-math.
1860         (expand_builtin_pow): Call it.
1861
1862 2010-04-14  Michael Matz  <matz@suse.de>
1863
1864         PR tree-optimization/42963
1865         * tree-cfg.c (touched_switch_bbs): New static variable.
1866         (group_case_labels_stmt): New function broken out from ...
1867         (group_case_labels): ... here, use the above.
1868         (start_recording_case_labels): Allocate touched_switch_bbs.
1869         (end_recording_case_labels): Deallocate it, call
1870         group_case_labels_stmt.
1871         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1872
1873 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1874
1875         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1876         from insn template.
1877
1878 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1881
1882 2010-04-13  Jan Hubicka  <jh@suse.cz>
1883
1884         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1885         of optimized out static functions.
1886         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1887         cost computation.  Also sanity check for overflows.
1888         (update_caller_keys): Update cgraph_edge_badness call; properly
1889         update fibheap and sanity check that it is up to date.
1890         (add_new_edges_to_heap): Update cgraph_edge_badness.
1891         (cgraph_decide_inlining_of_small_function): Likewise;
1892         add sanity checking that badness in heap is up to date;
1893         improve dumping of reason; Update badness of calls to the
1894         offline copy of function currently inlined; dump badness
1895         of functions not inlined because of unit growth limits.
1896
1897 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1898
1899         PR middle-end/32628
1900         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1901         because of sign-extension change when converting to sizetype here...
1902         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1903
1904         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1905         the folding to constants.  Remove redundant final conversion.
1906         (fold_binary) <associate>: Do not associate if the re-association of
1907         constants alone overflows.
1908         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1909         to the end of the list.
1910         (multiple_of_p) <COND_EXPR>: New case.
1911
1912 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1913
1914         * opt-functions.awk (opt_sanitized_name): New.
1915         (opt_enum): New.
1916         * optc-gen.awk: Use it
1917         * opth-gen.awk: Use it.
1918
1919 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1920
1921         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1922         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1923         children.  Call replace_uses_with_default_def_ssa_name to handle
1924         SSA_NAES on lhs.
1925
1926 2010-04-13  Michael Matz  <matz@suse.de>
1927
1928         PR middle-end/43730
1929         * builtins.c (expand_builtin_interclass_mathfn): Also create
1930         a register if the predicate doesn't match.
1931
1932 2010-04-13  Diego Novillo  <dnovillo@google.com>
1933
1934         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1935         * c-pch.c: Include timevar.h.
1936         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1937         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1938         * ggc-common.c: Include timevar.h.
1939         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1940         * timevar.def (TV_PCH_SAVE): Define.
1941         (TV_PCH_CPP_SAVE): Define.
1942         (TV_PCH_PTR_REALLOC): Define.
1943         (TV_PCH_PTR_SORT): Define.
1944         (TV_PCH_RESTORE): Define.
1945         (TV_PCH_CPP_RESTORE): Define.
1946
1947 2010-04-13  Michael Matz  <matz@suse.de>
1948
1949         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1950         into MINUS_EXPRs.
1951         (can_reassociate_p): New function.
1952         (break_up_subtract_bb, reassociate_bb): Use it.
1953
1954 2010-04-13  Richard Guenther  <rguenther@suse.de>
1955
1956         PR bootstrap/43737
1957         * builtins.c (c_readstr): Fix assert.
1958
1959 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1960
1961         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1962         when generating cltd insn.
1963
1964         (*ashl<mode>3_1): Remove special handling for register operand 2.
1965         (*ashlsi3_1_zext): Ditto.
1966         (*ashlhi3_1): Ditto.
1967         (*ashlhi3_1_lea): Ditto.
1968         (*ashlqi3_1): Ditto.
1969         (*ashlqi3_1_lea): Ditto.
1970         (*<shiftrt_insn><mode>3_1): Ditto.
1971         (*<shiftrt_insn>si3_1_zext): Ditto.
1972         (*<shiftrt_insn>qi3_1_slp): Ditto.
1973         (*<rotate_insn><mode>3_1): Ditto.
1974         (*<rotate_insn>si3_1_zext): Ditto.
1975         (*<rotate_insn>qi3_1_slp): Ditto.
1976
1977 2010-04-13  Richard Guenther  <rguenther@suse.de>
1978
1979         * tree-ssa-structalias.c (callused_id): Remove.
1980         (call_stmt_vars): New.
1981         (get_call_vi): Likewise.
1982         (lookup_call_use_vi): Likewise.
1983         (lookup_call_clobber_vi): Likewise.
1984         (get_call_use_vi): Likewise.
1985         (get_call_clobber_vi): Likewise.
1986         (make_transitive_closure_constraints): Likewise.
1987         (handle_const_call): Adjust to do per-call call-used handling.
1988         (handle_pure_call): Likewise.
1989         (find_what_var_points_to): Remove general callused handling.
1990         (init_base_vars): Likewise.
1991         (init_alias_vars): Initialize call_stmt_vars.
1992         (compute_points_to_sets): Process call-used and call-clobbered
1993         vars for call statements.
1994         (delete_points_to_sets): Free call_stmt_vars.
1995
1996 2010-04-13  Richard Guenther  <rguenther@suse.de>
1997
1998         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1999         Only add RW dependence for dependence distance zero.
2000         Adjust maximal vectorization factor according to dependences.
2001         Move alignment handling ...
2002         (vect_find_same_alignment_drs): ... here.  New function.
2003         (vect_analyze_data_ref_dependences): Adjust.
2004         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2005         (vect_analyze_data_refs): Adjust minimal vectorization factor
2006         according to data references.
2007         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2008         dependences before determining the vectorization factor.
2009         Analyze alignment after determining the vectorization factor.
2010         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2011         dependences before alignment.
2012         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2013         Adjust prototype.
2014         (vect_analyze_data_refs): Likewise.
2015         (MAX_VECTORIZATION_FACTOR): New define.
2016
2017 2010-04-13  Duncan Sands  <baldrick@free.fr>
2018
2019         * except.h (lang_eh_type_covers): Remove.
2020         * except.c (lang_eh_type_covers): Likewise.
2021
2022 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2023             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2024
2025         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2026         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2027         UNITS_PER_LONG where it is ABI relevant.
2028         (s390_return_addr_rtx): Likewise.
2029         (s390_back_chain_rtx): Likewise.
2030         (s390_frame_area): Likewise.
2031         (s390_frame_info): Likewise.
2032         (s390_initial_elimination_offset): Likewise.
2033         (save_gprs): Likewise.
2034         (s390_emit_prologue): Likewise.
2035         (s390_emit_epilogue): Likewise.
2036         (s390_function_arg_advance): Likewise.
2037         (s390_function_arg): Likewise.
2038         (s390_va_start): Likewise.
2039         (s390_gimplify_va_arg): Likewise.
2040         (s390_function_profiler): Likewise.
2041         (s390_optimize_prologue): Likewise.
2042         (s390_rtx_costs): Likewise.
2043         (s390_secondary_reload): Likewise.
2044         (s390_promote_function_mode): Likewise.
2045         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2046         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2047         registers available.
2048         (s390_unwind_word_mode): New function.
2049         (s390_function_value): Split 64 bit values into register pair if
2050         used as return value.
2051         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2052         function call parameters.  Handle parallels.
2053         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2054         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2055         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2056         (s390_expand_setmem): Remove unused variable src_addr.
2057         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2058         deal with 64 bit registers.
2059         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2060         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2061         (UNITS_PER_LONG): New macro.
2062         * libjava/include/s390-signal.h: Define extended ucontext
2063         structure containing the upper halfs of the 64 bit registers.
2064
2065 2010-04-13  Simon Baldwin  <simonb@google.com>
2066
2067         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2068
2069 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2070
2071         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2072         rvalue on the RHS if the LHS is of a non-renamable type.
2073         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2074
2075 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2076
2077         * gcc.c (cc1_options): Handle -iplugindir before processing
2078         the cc1 spec. Only add -iplugindir once.
2079         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2080         found.
2081         * common.opt (iplugindir): Remove `Separate' property, initialize.
2082         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2083         option.
2084         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2085         (distclean): Remove plugin dir.
2086         * doc/invoke.texi: Document -iplugindir.
2087
2088 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2089
2090         * doc/plugins.texi (Loading Plugins): Document short
2091         -fplugin=foo option.
2092         (Plugin API): Mention default_plugin_dir_name function.
2093
2094         * gcc.c (find_file_spec_function): Add new declaration.
2095         (static_spec_func): Use it for "find-file".
2096         (find_file_spec_function): Add new function.
2097         (cc1_options): Add -iplugindir option if -fplugin* options found.
2098
2099         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2100
2101         * plugin.c (add_new_plugin): Updated comment, and handle short
2102         plugin name.
2103         (default_plugin_dir_name): Added new function.
2104
2105         * common.opt (iplugindir): New option to set the plugin directory.
2106
2107 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         * config/i386/i386.md (any_rotate): New code iterator.
2110         (rotate_insn): New code attribute.
2111         (rotate): Ditto.
2112         (SWIM124): New mode iterator.
2113         (<rotate_insn>ti3): New expander.
2114         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2115         any_rotate code iterator.
2116         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2117         using any_rotate code iterator and SWIM124 mode iterator.
2118         (ix86_rotlti3): New insn_and_split pattern.
2119         (ix86_rotrti3): Ditto.
2120         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2121         ix86_rotl{di,ti}3 patterns.
2122         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2123         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2124         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2125         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2126         code iterator and SWI mode iterator.
2127         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2128         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2129         code iterator.
2130         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2131         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2132         (bswap rotatert splitter): Add splitter.
2133         (bswap splitter): Macroize splitter using any_rotate code iterator.
2134         Add insn predicate to split only for TARGET_USE_XCHGB or when
2135         optimizing function for size.
2136
2137 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2138
2139         * config/pa/pa.c (emit_move_sequence): Remove use of
2140         deleted variable flag_argument_noalias.
2141
2142 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2143
2144         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2145         configurations.
2146         Add to unsupported targets list.
2147         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2148         sparc*-sun-solaris2.[567]* from target lists.
2149         * configure: Regenerate.
2150         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2151         removal.
2152         Remove Solaris 7 patch references.
2153         (Specific, sparc-sun-solaris2.7): Removed.
2154         (sparc-sun-solaris2*): Update Solaris 7 example.
2155         (sparc64-*-solaris2*): Likewise.
2156
2157 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2158
2159         * config.build (alpha*-dec-osf4*): Remove.
2160         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2161         of obsolete configurations.
2162         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2163         support.
2164         * config/alpha/t-osf4: Renamed to ...
2165         * config/alpha/t-osf5: ... this.
2166         * config/alpha/osf.h: Renamed to ...
2167         * config/alpha/osf5.h: ... this.
2168         Merged old osf5.h contents.
2169         Update comments.
2170         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2171         (EXTRA_SPECS): Removed.
2172         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2173         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2174         Document that.
2175
2176 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2177
2178         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2179
2180 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2181
2182         PR/43702
2183         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2184         __thiscall convention.
2185
2186 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2187
2188         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2189         orig_base.
2190         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2191
2192 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2193
2194         * function.c (assign_parms_initialize_all): Add unused attribute
2195         to fntype.
2196
2197 2010-04-12  Richard Guenther  <rguenther@suse.de>
2198
2199         * gsstruct.def (GSS_CALL): New.
2200         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2201         * gimple.h: Include tree-ssa-alias.h.
2202         (struct gimple_statement_call): New.
2203         (union gimple_statement_struct_d): Add gimple_call member.
2204         (gimple_call_reset_alias_info): Declare.
2205         (gimple_call_use_set): New function.
2206         (gimple_call_clobber_set): Likewise.
2207         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2208         * gimple.c (gimple_call_reset_alias_info): New function.
2209         (gimple_build_call_1): Call it.
2210         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2211         * tree-inline.c (remap_gimple_stmt): Likewise.
2212         (expand_call_inline): Remove callused handling.
2213         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2214         * tree-dfa.c (dump_variable): Likewise.
2215         * tree-parloops.c (parallelize_loops): Likewise.
2216         * tree-ssa.c (init_tree_ssa): Likewise.
2217         (delete_tree_ssa): Likewise.
2218         * tree-flow-inline.h (is_call_used): Remove.
2219         * tree-flow.h (struct gimple_df): Remove callused member.
2220         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2221         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2222         (ref_maybe_used_by_call_p_1): Simplify.
2223         (call_may_clobber_ref_p_1): Likewise.
2224         * tree-ssa-structalias.c (compute_points_to_sets): Set
2225         the call stmt used and clobbered sets.
2226         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2227         (find_tail_calls): Verify the tail call.
2228
2229 2010-04-12  Richard Guenther  <rguenther@suse.de>
2230
2231         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2232         single-iteration always-inline inlining.
2233         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2234         (cgraph_decide_inlining): Do not handle always-inline specially.
2235         (try_inline): Remove always-inline cycle detection special case.
2236         Do not recurse on always-inlines.
2237         (cgraph_early_inlining): Do not iterate if not optimizing.
2238         (cgraph_gate_early_inlining): remove.
2239         (pass_early_inline): Run unconditionally.
2240         (gate_cgraph_decide_inlining): New function.
2241         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2242         not inlining or optimizing.
2243         (cgraph_decide_inlining_of_small_functions): Also consider
2244         always-inline functions.
2245         (cgraph_default_inline_p): Return true for nodes which should
2246         disregard inline limits.
2247         (estimate_function_body_sizes): Assume zero size and time for
2248         nodes which are marked as disregarding inline limits.
2249         (cgraph_decide_recursive_inlining): Do not perform recursive
2250         inlining on always-inline nodes.
2251
2252 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2253
2254         PR bootstrap/43699
2255         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2256         for exprs satisfying handled_component_p.
2257
2258 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2259
2260         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2261         non-constant aggregate elements.
2262
2263         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2264         is a real initialization.
2265
2266 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2267
2268         PR c/36774
2269         * c-decl.c (start_function): Move forward check for nested function.
2270
2271 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2272
2273         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2274         * config/sh/sh.c: Include reload.h.
2275         (sh_legitimize_reload_address): New.
2276         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2277         sh_legitimize_reload_address.
2278
2279 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2280
2281         * config/sh/sh.md (*movqi_pop): New insn pattern.
2282         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2283
2284 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2285
2286         * config/i386/i386.md (any_shiftrt): New code iterator.
2287         (shiftrt_insn): New code attribute.
2288         (shiftrt): Ditto.
2289         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2290         using any_shiftrt code iterator.
2291         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2292         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2293         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2294         pattern from corresponding peephole2 patterns.
2295         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2296         using any_shiftrt code iterator.
2297         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2298         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2299         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2300         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2301         *{ashr,lshr}<mode>3_cmp_zext.
2302         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2303
2304 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2305
2306         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2307         scratch register.
2308         (*lshr<mode>3_cconly): Ditto.
2309
2310 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2311
2312         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2313         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2314         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2315         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2316         DWI mode iterator.
2317         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2318         from corresponding peephole2 patterns.
2319         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2320         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2321         and *lshrdi3_1_rex64 using SWI mode iterator.
2322         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2323         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2324         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2325         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2326         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2327         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2328         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2329         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2330         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2331         SWI mode iterator.
2332
2333 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2336         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2337         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2338         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2339         DWI mode iterator.
2340         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2341         from corresponding peephole2 patterns.
2342         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2343         (ashrsi3_cvt): Rename from ashrsi3_31.
2344         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2345         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2346         and x86_64_shift_adj_3 using SWI48 mode iterator.
2347         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2348         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2349         and *ashrdi3_1_rex64 using SWI mode iterator.
2350         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2351         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2352         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2353         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2354         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2355         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2356         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2357         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2358         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2359         SWI mode iterator.
2360         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2361         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2362         x86_shift<mode>_adj_3 expanders.
2363
2364 2010-04-10  Wei Guozhi  <carrot@google.com>
2365
2366         PR target/42601
2367         * config/arm/arm.c (arm_pic_static_addr): New function.
2368         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2369         a static symbol.
2370         (arm_output_addr_const_extra): Output expression for new pattern.
2371         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2372
2373 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2374
2375         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2376         not enabled.
2377
2378         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2379         * web.c: Include "insn-config.h" and "recog.h".
2380         (union_match_dups): New function.
2381         (web_main): Call it.
2382         (union_defs): Don't try to recognize match_dups.
2383
2384         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2385         if doing so would replace the entire pattern.
2386
2387 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2388
2389         PR target/43707
2390         PR target/43709
2391         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2392         and splitter pattern.  Change splitter operand 1 predicate to
2393         nonmemory_operand.
2394
2395 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2396
2397         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2398         lattices are addresses of CONST_DECLs with the same initial value.
2399         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2400         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2401
2402 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2403             Bernd Schmidt  <bernds@codesourcery.com>
2404
2405         * loop-invariant.c (replace_uses): New static function.
2406         (move_invariant_reg): Use it to ensure we can replace the uses.
2407
2408 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2409
2410         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2411         function template.
2412         (picochip_override_options): Enable section anchors only above -O1.
2413         (picochip_reorg): Fixed a couple of build warnings.
2414
2415 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2416
2417         * configure.ac (plugin -rdynamic test): Log result.
2418         * configure: Regenerate.
2419         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2420         (RDYNAMIC_SPEC): Define.
2421         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2422
2423 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2424
2425         * configure.ac: Determine Sun ld version numbers.
2426         (comdat_group): Restrict GNU ld version checks to gld.
2427         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2428         (enable_comdat): Support --enable-comdat.
2429         * configure: Regenerate.
2430         * doc/install.texi (Configuration): Document --enable-comdat.
2431
2432 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2433
2434         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2435         * config/sol2-gld.h: ... here.
2436         * config.gcc (sparc*-*-solaris2*): Reflect this.
2437         (i[34567]86-*-solaris2*): Use it.
2438
2439 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2440
2441         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2442         setup_clocks_p.
2443         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2444
2445 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2446
2447         PR 42965
2448         * diagnostic.c (diagnostic_initialize): Initialize
2449         some_warnings_are_errors.
2450         (diagnostic_finish): New.
2451         (diagnostic_action_after_output): Call it before exiting.
2452         (diagnostic_report_diagnostic): Do not print message here. Set
2453         some_warnings_are_errors.
2454         * diagnostic.h (diagnostic_context): Delete
2455         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2456         (diagnostic_finish): Declare.
2457         * toplev.c (toplev_main): Call it before exit.
2458
2459 2010-04-09  Jason Merrill  <jason@redhat.com>
2460
2461         PR c++/42623
2462         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2463         for incomplete type.
2464
2465         PR c++/41788
2466         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2467         based on a warning flag.
2468
2469 2010-04-09  Richard Guenther  <rguenther@suse.de>
2470
2471         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2472
2473 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2474
2475         PR bootstrap/43684
2476         * varasm.c (default_assemble_visibility): Wrap vars that are
2477         set, but unused, by targets without GAS.
2478         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2479         Remove set, but unused, vars.
2480         (rs6000_legitimize_tls_address): Likewise.
2481         (altivec_expand_dst_builtin): Likewise.
2482         * config/darwin.c (machopic_classify_symbol): Likewise.
2483         (machopic_indirection_name): Likewise.
2484
2485 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2486
2487         * config/i386/i386.md (DWI): New mode iterator.
2488         (S): New mode attribute.
2489         (shift_operand): Ditto.
2490         (shift_immediate_operand): Ditto.
2491         (ashl_input_operand): Ditto.
2492         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2493         using SDWIM mode iterator.
2494         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2495         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2496         DWI mode iterator.
2497         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2498         from corresponding peephole2 patterns.
2499         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2500         and x86_64_shift_adj_1 using SWI48 mode iterator.
2501         (x86_shift<mode>_adj_2): Ditto.
2502         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2503         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2504         using SWI48 mode iterator.
2505         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2506         *ashldi3_cmp_rex64 using SWI mode iterator.
2507         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2508         *ashldi3_cconly_rex64 using SWI mode iterator.
2509         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2510         x86_shift<mode>_adj_{1,2}.
2511         (ix86_split_ashr): Ditto.
2512         (ix86_split_lshr): Ditto.
2513
2514 2010-04-09  Richard Guenther  <rguenther@suse.de>
2515
2516         * target.h (builtin_conversion): Pass in input and output types.
2517         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2518         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2519         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2520         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2521
2522         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2523         Handle AVX modes.
2524         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2525
2526 2010-04-09  Richard Guenther  <rguenther@suse.de>
2527
2528         PR target/43152
2529         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2530
2531 2010-04-09  Richard Guenther  <rguenther@suse.de>
2532
2533         * tree-vectorizer.h (struct _stmt_vec_info): Document
2534         that vectype is the type of the LHS.
2535         (supportable_widening_operation, supportable_narrowing_operation):
2536         Get both input and output vector types as arguments.
2537         (vect_is_simple_use_1): Declare.
2538         (get_same_sized_vectype): Likewise.
2539         * tree-vect-loop.c (vect_determine_vectorization_factor):
2540         Set STMT_VINFO_VECTYPE to the vector type of the def.
2541         (vectorizable_reduction): Adjust.
2542         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2543         Adjust.  Specify the output vector type.
2544         (vect_pattern_recog_1): Adjust.
2545         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2546         (vectorizable_call): Adjust.
2547         (vectorizable_conversion): Likewise.
2548         (vectorizable_operation): Likewise.
2549         (vectorizable_type_demotion): Likewise.
2550         (vectorizable_type_promotion): Likewise.
2551         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2552         the def.
2553         (vect_is_simple_use_1): New function.
2554         (supportable_widening_operation): Get both input and output
2555         vector types.
2556         (supportable_narrowing_operation): Likewise.
2557         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2558
2559 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2560
2561         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2562         __thiscall and _thiscall as predefined macros.
2563         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2564         thiscall attribute handling.
2565         (ix86_comp_type_attributes): Likewise.
2566         (ix86_function_regparm): Likewise.
2567         (ix86_return_pops_args): Likewise.
2568         (init_cumulative_args): Likewise.
2569         (find_drap_reg): Likewise.
2570         (ix86_static_chain): Likewise.
2571         (x86_this_parameter): Likewise.
2572         (x86_output_mi_thunk): Likewise.
2573         (ix86_attribute_table): Add description for thiscall attribute.
2574         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2575         * doc/extend.texi: Add documentation for thiscall.
2576
2577 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2578
2579         PR c++/28584
2580         * c.opt (Wint-to-pointer-cast): Available in C++.
2581         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2582
2583 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2584
2585         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2586         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2587         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2588         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2589         function type instead.  Reorder and simplify checks.
2590
2591         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2592
2593 2010-04-08  Jing Yu  <jingyu@google.com>
2594             Zdenek Dvorak  <ook@ucw.cz>
2595
2596         PR tree-optimization/42720
2597         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2598         loop unswitch conditions here from ...
2599         (tree_unswitch_single_loop): ... here.
2600
2601 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2602
2603         * tree-if-conv.c: Fix comments and simplify logic.
2604
2605 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2606
2607         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2608         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2609         (main_tree_if_conversion): Update call to tree_if_conversion.
2610
2611 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2612
2613         PR 42485
2614         * doc/invoke.texi (-b,-V): Delete.
2615         * doc/tm.texi: Do not mention -b.
2616         * gcc.c (display_help): Delete -b and -V.
2617         (process_command): Delete -b and -V.
2618         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2619
2620 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2621             Wolfgang Gellerich  <gellerich@de.ibm.com>
2622
2623         Implement target hook for loop unrolling
2624         * target.h (loop_unroll_adjust): Add a new target hook function.
2625         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2626         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2627         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2628         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2629         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2630         target hook.
2631         (decide_unroll_stupid): Likewise.
2632
2633 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2634
2635         PR target/43643
2636         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2637
2638 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2639
2640         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2641         (Specific, *-*-solaris2*): Likewise.
2642         Don't prefer Sun as over GNU as.
2643
2644 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2645
2646         * config/s390/s390.c (override_options): Adjust the z10
2647           defaults for max-unroll-times, max-completely-peeled-insns
2648           and max-completely-peel-times.
2649
2650 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2651
2652         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2653         instructions for z10.
2654         (s390_expand_setmem): Likewise.
2655         (s390_expand_cmpmem): Likewise.
2656
2657 2010-04-08  Richard Guenther  <rguenther@suse.de>
2658
2659         PR tree-optimization/43679
2660         * tree-ssa-pre.c (eliminate): Only propagate copies.
2661
2662 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2663
2664         PR bootstrap/43681
2665         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2666         set but not used variable warning.
2667
2668 2010-04-08  Wei Guozhi  <carrot@google.com>
2669
2670         PR target/41653
2671         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2672         (arm_size_rtx_costs): Call the new function when optimized for size.
2673
2674 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR debug/43670
2677         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2678         op0 is not a MEM, just return NULL instead of assertion
2679         failure.
2680         (discover_nonconstant_array_refs): Don't walk debug stmts.
2681
2682 2010-04-08  Doug Kwan  <dougkwan@google.com>
2683
2684         * configure.ac: Recognize gold and do not use its version number
2685         to test ld features.
2686         * configure: Regenerate.
2687
2688 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2689
2690         PR middle-end/40815
2691         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2692         (negate_value): Move code to push elements to broken_up_substracts ...
2693         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2694         negative pair to plus_negates.
2695         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2696
2697 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2698
2699         * doc/install.texi (Configuration): Move description of
2700         --enable-lto, --with-libelf*, --enable-gold from Java section to
2701         general section.
2702
2703         * doc/generic.texi (Working with declarations)
2704         (Function Properties, C and C++ Trees): Fix typos.
2705         * doc/sourcebuild.texi (Top Level): Likewise.
2706
2707 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2708
2709         PR c/18624
2710         * tree.h (DECL_READ_P): Define.
2711         (struct tree_decl_common): Add decl_read_flag.
2712         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2713         a set but not used warning.
2714         (merge_decls): Merge DECL_READ_P flag.
2715         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2716         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2717         * c-common.c (handle_used_attribute, handle_unused_attribute):
2718         Likewise.
2719         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2720         New prototypes.
2721         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2722         New functions.
2723         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2724         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2725         c_parser_binary_expression, c_parser_cast_expression,
2726         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2727         Call default_function_array_read_conversion instead of
2728         default_function_array_conversion where needed.
2729         (c_parser_unary_expression, c_parser_conditional_expression,
2730         c_parser_postfix_expression_after_primary, c_parser_initelt):
2731         Likewise.  Call mark_exp_read where needed.
2732         (c_parser_statement_after_labels, c_parser_asm_operands,
2733         c_parser_typeof_specifier, c_parser_sizeof_expression,
2734         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2735         where needed.
2736         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2737         New.
2738         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2739         (warn_unused_but_set_parameter): Default to warn_unused
2740         && extra_warnings.
2741         * doc/invoke.texi: Document -Wunused-but-set-variable and
2742         -Wunused-but-set-parameter.
2743
2744         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2745         used count variable.
2746         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2747         when operandN variables aren't used in the body of the expander
2748         or splitter.
2749         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2750         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2751         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2752         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2753         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2754         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2755         * tree.c (PROCESS_ARG): Likewise.
2756
2757 2010-04-07  Simon Baldwin  <simonb@google.com>
2758
2759         * diagnostic.h (diagnostic_override_option_index): New macro to
2760         set a diagnostic's option_index.
2761         * c-tree.h (c_cpp_error): Add warning reason argument.
2762         * opts.c (_warning_as_error_callback): New.
2763         (register_warning_as_error_callback): Store callback for
2764         warnings enabled via enable_warning_as_error.
2765         (enable_warning_as_error): Call callback, minor code tidy.
2766         * opts.h (register_warning_as_error_callback): Declare.
2767         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2768         response to -Werror=.
2769         (c_common_init_options): Register warning_as_error_callback in opts.c.
2770         * common.opt: Add -Wno-cpp option.
2771         * c-common.c (struct reason_option_codes_t): Map cpp warning
2772         reason codes to gcc option indexes.
2773         * (c_option_controlling_cpp_error): New function, lookup the gcc
2774         option index for a cpp warning reason code.
2775         * (c_cpp_error): Add warning reason argument, call
2776         c_option_controlling_cpp_error for diagnostic_override_option_index.
2777         * doc/invoke.texi: Document -Wno-cpp.
2778
2779 2010-04-07  Richard Guenther  <rguenther@suse.de>
2780
2781         * ipa-reference.c (mark_load): Use get_base_address.
2782         (mark_store): Likewise.
2783
2784         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2785         inserting GIMPLE_NOPs into the IL.
2786         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2787         Explicitly strip handled components and indirect references.
2788
2789         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2790         folding address expressions.
2791         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2792         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2793         operand_equal_p to compare decls.
2794         (ptr_deref_may_alias_decl_p): Likewise.
2795         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2796         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2797         Handle reversed comparison ops.
2798         * tree-sra.c (asm_visit_addr): Use get_base_address.
2799         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2800         * ipa-reference.c (mark_address): Use get_base_address.
2801
2802 2010-04-07  Richard Guenther  <rguenther@suse.de>
2803
2804         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2805         Propagate constants everywhere.
2806
2807 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2808
2809         PR debug/43516
2810         * tree.c (MAX_INT_CACHED_PREC): Define.
2811         (nonstandard_integer_type_cache): New array.
2812         (build_nonstandard_integer_type): Cache results for precision
2813         <= MAX_INT_CACHED_PREC.
2814
2815 2010-04-07  Richard Guenther  <rguenther@suse.de>
2816
2817         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2818         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2819         * common.opt: Likewise.
2820         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2821         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2822         (nonoverlapping_memrefs_p): Likewise.
2823         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2824         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2825         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2826         OPT_fargument_noalias_global for backward compatibility.
2827
2828 2010-04-07  Richard Guenther  <rguenther@suse.de>
2829
2830         PR tree-optimization/43270
2831         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2832         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2833         * tree-ssa-pre.c (phi_translate_1): Adjust.
2834         (fully_constant_expression): Split out vn_reference handling to ...
2835         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2836         Fold reads from constant strings.
2837         (vn_reference_lookup): Handle fully constant references.
2838         (vn_reference_lookup_pieces): Likewise.
2839         * Makefile.in (expmed.o-warn): Add -Wno-error.
2840
2841 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2842
2843         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2844
2845 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2846
2847         PR driver/41594
2848         * gcc.c: Add -static-libstdc++ to list of recognized options.
2849
2850 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2851
2852         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2853
2854 2010-04-07  Richard Guenther  <rguenther@suse.de>
2855
2856         PR middle-end/42617
2857         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2858         bases build simple mem attributes to retain points-to information.
2859
2860 2010-04-07  Richard Guenther  <rguenther@suse.de>
2861
2862         PR middle-end/42617
2863         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2864         preserve points-to related information.
2865
2866 2010-04-07  Richard Guenther  <rguenther@suse.de>
2867
2868         PR middle-end/42617
2869         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2870         discard plain indirect references.
2871         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2872         * tree.c (tree_nop_conversion): Likewise.
2873
2874 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2875
2876         PR debug/43628
2877         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2878
2879 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2880
2881         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2882         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2883
2884 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2885
2886         * tree-if-conv.c: Fix indentation and comments.
2887
2888 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2889
2890         * tree-if-conv.c: Sort static functions in topological order.
2891
2892 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2893
2894         * tree-if-conv.c: Fix indentation and comments.
2895
2896 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2897
2898         PR middle-end/43519
2899         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2900         lang_hooks.types.type_for_size instead of
2901         build_nonstandard_integer_type.
2902         When converting an unsigned type to signed, double its precision.
2903         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2904         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2905         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2906         use lb <= ub.
2907
2908 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2909
2910         PR middle-end/43519
2911         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2912         POINTER_PLUS_EXPR for pointer types.
2913
2914 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2915
2916         PR middle-end/43519
2917         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2918         * graphite-clast-to-gimple.c: Include langhooks.h.
2919         (max_signed_precision_type): New.
2920         (max_precision_type): Takes two types as arguments.
2921         (precision_for_value): New.
2922         (precision_for_interval): New.
2923         (gcc_type_for_interval): New.
2924         (gcc_type_for_value): New.
2925         (gcc_type_for_clast_term): New.
2926         (gcc_type_for_clast_red): New.
2927         (gcc_type_for_clast_bin): New.
2928         (gcc_type_for_clast_expr): Split up into several functions.
2929         (gcc_type_for_clast_eq): Rewritten.
2930         (compute_bounds_for_level): New.
2931         (compute_type_for_level_1): New.
2932         (compute_type_for_level): New.
2933         (gcc_type_for_cloog_iv): Removed.
2934         (gcc_type_for_iv_of_clast_loop): Rewritten.
2935         (graphite_create_new_loop): Compute the lower and upper bound types
2936         with gcc_type_for_clast_expr.
2937         (graphite_create_new_loop_guard): Same.
2938         (find_cloog_iv_in_expr): Removed.
2939         (compute_cloog_iv_types_1): Removed.
2940         (compute_cloog_iv_types): Removed.
2941         (gloog): Do not call compute_cloog_iv_types.
2942         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2943         GBB_CLOOG_IV_TYPES.
2944         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2945         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2946         (GBB_CLOOG_IV_TYPES): Removed.
2947
2948 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2949
2950         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2951         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2952         (detect_commutative_reduction): Same.
2953
2954 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2955
2956         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2957         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2958         argument.
2959         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2960         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2961         (rewrite_commutative_reductions_out_of_ssa): Same.
2962         * passes.c (execute_function_todo): Call verify_ssa for every pass
2963         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2964         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2965         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2966         with an extra argument.
2967         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2968         verify_ssa only when the extra argument is true.
2969         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2970         with an extra argument.
2971         (tree_transform_and_unroll_loop): Same.
2972
2973 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2976         for all the passes of the LNO having LOOP_CLOSED_SSA.
2977         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2978         * tree-loop-distribution.c (pass_loop_distribution): Same.
2979         * tree-pass.h (TODO_verify_loops): Removed.
2980         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2981         (pass_lim): Same.
2982         (pass_tree_unswitch): Same.
2983         (pass_predcom): Same.
2984         (pass_vectorize): Same.
2985         (pass_linear_transform): Same.
2986         (pass_graphite_transforms): Same.
2987         (pass_iv_canon): Same.
2988         (pass_complete_unroll): Same.
2989         (pass_complete_unrolli): Same.
2990         (pass_parallelize_loops): Same.
2991         (pass_loop_prefetch): Same.
2992         (pass_iv_optimize): Same.
2993
2994 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2995
2996         PR middle-end/32824
2997         * passes.c (init_optimization_passes): Move pass_lim before
2998         pass_copy_prop and pass_dce_loop.
2999
3000 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3001
3002         PR target/43667
3003         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3004         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3005         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3006         MULTI_* defines for 4 argument vpermil2p* builtins.
3007
3008 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3009
3010         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3011         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3012         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3013         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3014         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3015         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3016         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3017         Use x86_maybe_negate_const_int to output insn mnemonic.
3018         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3019         check from instruction predicate.  Update comments.
3020         * config/i386/sync.md (sync_add<mode>): Use
3021         x86_maybe_negate_const_int to output insn mnemonic.
3022
3023 2010-04-06  Jan Hubicka  <jh@suse.cz>
3024
3025         PR tree-optimization/42906
3026         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3027         IGNORE_SELF argument.  Set visited_control_parents for fully
3028         processed BBs.
3029         (find_obviously_necessary_stmts): Update call of
3030         mark_control_dependent_edges_necessary.
3031         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3032
3033 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         * config/i386/i386.md: Remove comment about 'e' and 'E'
3036         operand modifier.
3037
3038 2010-04-06  Richard Guenther  <rguenther@suse.de>
3039
3040         PR tree-optimization/43627
3041         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3042         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3043         not varying.
3044
3045 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3046
3047         * BASE-VER: Change to 4.6.0.
3048
3049         PR target/43638
3050         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3051         handling.
3052
3053 2010-04-06  Richard Guenther  <rguenther@suse.de>
3054
3055         PR middle-end/43661
3056         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3057
3058 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3059
3060         * doc/invoke.texi (Optimize Options): Document that LTO
3061         won't remove object access purely due to incompatible
3062         declarations.
3063
3064 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3065
3066         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3067         Initialize variable.
3068
3069 2010-04-03  Richard Guenther  <rguenther@suse.de>
3070
3071         PR middle-end/42509
3072         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3073         require a non-NULL MEM_OFFSET.
3074
3075 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3076
3077         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3078         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3079         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3080         config/alpha/predicates.md, config/arm/arm.md,
3081         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3082         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3083         config/darwin9.h, config/darwin.c, config/darwin.h,
3084         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3085         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3086         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3087         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3088         config/mips/mips.md, config/mn10300/mn10300.c,
3089         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3090         config/rs6000/aix.h, config/rs6000/dfp.md,
3091         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3092         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3093         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3094         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3095         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3096         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3097         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3098         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3099         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3100         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3101         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3102         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3103         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3104         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3105         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3106         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3107         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3108         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3109         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3110         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3111         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3112         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3113         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3114         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3115         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3116         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3117         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3118         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3119         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3120         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3121         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3122         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3123         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3124         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3125         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3126         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3127
3128 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3129
3130         PR other/43620
3131         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3132         * aclocal.m4: Regenerate.
3133
3134 2010-04-02  Richard Guenther  <rguenther@suse.de>
3135
3136         PR tree-optimization/43629
3137         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3138         if we have seen a constant value.
3139
3140 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3141
3142         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3143
3144 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3145
3146         PR target/43469
3147         * arm.c (legitimize_tls_address): Adjust call to
3148         gen_tls_load_dot_plus_four.
3149         (arm_note_pic_base): New function.
3150         (arm_cannot_copy_insn_p): Use it.
3151         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3152         constraint.
3153
3154 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3155
3156         PR bootstrap/43531
3157
3158         Revert:
3159         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3160
3161         * Makefile.in ($(out_object_file)): Depend on
3162         gt-$(basename $(notdir $(out_file))).h.
3163
3164 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3165
3166         * config.gcc (lm32-*-rtems*): Add t-lm32.
3167
3168 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3169
3170         * config.gcc: Add lm32-*-rtems*.
3171         * config/lm32/rtems.h: New file.
3172
3173 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3174
3175         PR target/42609
3176         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3177
3178 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3179
3180         * dwarf2out.c (output_compilation_unit_header): For
3181         -gdwarf-4 use version 4 instead of version 3.
3182         (output_line_info): For version 4 and above emit additional
3183         maximum ops per insn header field.
3184         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3185
3186         * dwarf2out.c (is_c_family, is_java): Remove.
3187         (lower_bound_default): New function.
3188         (add_bound_info, gen_descr_array_type_die): Use it.
3189
3190 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3191
3192         PR debug/43325
3193         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3194         re-declaration when it happens in a function.
3195
3196 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3197
3198         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3199         (cgraph_remove_function_insertion_hook): Same.
3200         (cgraph_call_function_insertion_hooks): Same.
3201
3202 2010-04-01  Richard Guenther  <rguenther@suse.de>
3203
3204         PR middle-end/43614
3205         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3206         and TREE_THIS_VOLATILE.
3207         (copy_ref_info): Likewise.
3208         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3209         * tree.c (build6_stat): Ignore side-effects of all but arg5
3210         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3211         TARGET_MEM_REF.
3212
3213 2010-04-01  Richard Guenther  <rguenther@suse.de>
3214
3215         PR tree-optimization/43607
3216         * ipa-type-escape.c (check_call): Do not access non-existing
3217         arguments.
3218
3219 2010-04-01  Richard Guenther  <rguenther@suse.de>
3220
3221         PR middle-end/43602
3222         Revert
3223         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3224                     Jack Howarth <howarth@bromo.med.uc.edu>
3225
3226         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3227         variables TLS.
3228
3229 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3230
3231         * doc/install.texi (Prerequisites): Document libelf usability on
3232         IRIX 5/6 and Solaris 2.
3233         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3234         Update GNU as, GNU ld requirements.
3235         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3236         Document Sun Studio compiler download.
3237         Update and simplify as, ld recommendations.
3238         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3239
3240 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3241
3242         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3243         with_tune_32 to pentium4.
3244
3245 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3246
3247         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3248
3249 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3250
3251         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3252         obsoletion, removal.
3253         Update IDO URL.
3254         Document GNU as requirement.
3255         Update configure requirements.
3256         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3257         Recomment IRIX 6.5.18+.
3258         Document IDF/IDL requirement.
3259         Document GNU as requirement.
3260         Document GNU ld bootstrap failure.
3261         Remove freeware.sgi.com reference.
3262
3263 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3264
3265         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3266         UNIX V4.0, V5.0 obsoletion, removal.
3267         Remove --with-gc=simple reference.
3268         Update VM requirements during bootstrap.
3269         Remove -oldas bootstrap description.
3270         Update binutils reference.
3271         Remove comparison failure note.
3272
3273 2010-03-31  Richard Guenther  <rguenther@suse.de>
3274             Zdenek Dvorak  <ook@ucw.cz>
3275             Sebastian Pop  <sebastian.pop@amd.com>
3276
3277         PR middle-end/43464
3278         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3279         with multiple arguments.
3280         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3281
3282 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3283
3284         * graphite-dependences.c (print_pddr): Call print_pdr with an
3285         extra argument.
3286         * graphite-poly.c (debug_pdr): Add an extra argument for the
3287         verbosity level.
3288         (print_pdr): Same.
3289         (print_pbb_domain): Same.
3290         (print_pbb): Same.
3291         (print_scop_context): Same.
3292         (print_scop): Same.
3293         (print_cloog): Same.
3294         (debug_pbb_domain): Same.
3295         (debug_pbb): Same.
3296         (print_pdrs): Same.
3297         (debug_pdrs): Same.
3298         (debug_scop_context): Same.
3299         (debug_scop): Same.
3300         (debug_cloog): Same.
3301         (print_scop_params): Same.
3302         (debug_scop_params): Same.
3303         (print_iteration_domain): Same.
3304         (print_iteration_domains): Same.
3305         (debug_iteration_domain): Same.
3306         (debug_iteration_domains): Same.
3307         (print_scattering_function): Same.
3308         (print_scattering_functions): Same.
3309         (debug_scattering_function): Same.
3310         (debug_scattering_functions): Same.
3311         * graphite-poly.h (debug_pdr): Update declaration.
3312         (print_pdr): Same.
3313         (print_pbb_domain): Same.
3314         (print_pbb): Same.
3315         (print_scop_context): Same.
3316         (print_scop): Same.
3317         (print_cloog): Same.
3318         (debug_pbb_domain): Same.
3319         (debug_pbb): Same.
3320         (print_pdrs): Same.
3321         (debug_pdrs): Same.
3322         (debug_scop_context): Same.
3323         (debug_scop): Same.
3324         (debug_cloog): Same.
3325         (print_scop_params): Same.
3326         (debug_scop_params): Same.
3327         (print_iteration_domain): Same.
3328         (print_iteration_domains): Same.
3329         (debug_iteration_domain): Same.
3330         (debug_iteration_domains): Same.
3331         (print_scattering_function): Same.
3332         (print_scattering_functions): Same.
3333         (debug_scattering_function): Same.
3334         (debug_scattering_functions): Same.
3335
3336 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3337
3338         * graphite-poly.c (print_scattering_function_1): New.
3339         (print_scattering_function): Call it.
3340         (print_scop_params): Remove spaces at the end of lines.
3341         (print_cloog): New.
3342         (debug_cloog): New.
3343         * graphite-poly.h (print_cloog): Declared.
3344         (debug_cloog): Declared.
3345
3346 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3347
3348         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3349         in loop->header.
3350         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3351         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3352         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3353         to switch between adding the IV bump in loop->latch or in loop->header.
3354
3355 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3356
3357         * graphite-poly.c (print_scattering_function): Pretty print following
3358         the scoplib format.
3359         (print_pdr): Same.
3360         (print_pbb_domain): Same.
3361         (dump_gbb_cases): Same.
3362         (dump_gbb_conditions): Same.
3363         (print_pdrs): Same.
3364         (print_pbb): Same.
3365         (print_scop_params): Same.
3366         (print_scop_context): Same.
3367         (print_scop): Same.
3368         (print_pbb_body): New.
3369         (lst_indent_to): New.
3370         (print_lst): Start new lines with a #.
3371         * graphite-poly.h (pbb_bb): New.
3372         (pbb_index): Use pbb_bb.
3373         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3374         disjuncts.
3375         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3376
3377 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3378
3379         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3380         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3381         and 0 instead of 1 for dw_val_class_flag.
3382         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3383         dw_val_class_range_list, dw_val_class_loc_list,
3384         dw_val_class_lineptr and dw_val_class_macptr, use
3385         DW_FORM_flag_present for dw_val_class_flag and
3386         DW_FORM_exprloc for dw_val_class_loc.
3387         (output_die): For -gdwarf-4 print dw_val_class_loc
3388         size as uleb128 instead of 1 or 2 bytes and don't print
3389         anything for dw_val_class_flag.
3390
3391         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3392         instead of cselib_lookup following by tweaking locs->setting_insn.
3393
3394         PR bootstrap/43596
3395         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3396         even before returning from label, setjmp call or volatile asm
3397         handling.
3398
3399 2010-03-31  Richard Guenther  <rguenther@suse.de>
3400
3401         PR middle-end/43600
3402         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3403         temporary data on stack.
3404
3405 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3406
3407         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3408         (PUSHSECTION_ASM_OP): Remove.
3409         (POPSECTION_ASM_OP): Remove.
3410         (PUSHSECTION_FORMAT): Remove.
3411         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3412         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3413         * config/sol2.c (solaris_output_init_fini): Use it.
3414
3415 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3416
3417         PR 43574
3418         * opt-functions.awk (var_type_struct): Use signed char type
3419         for simple variables.
3420
3421 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3422
3423         * config/sol2.c: Include output.h.
3424         (solaris_assemble_visibility): New function.
3425         * config/t-sol2 (sol2.o): Add output.h dependency.
3426         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3427         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):