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1 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
2
3         * doc/extend.texi (Inline): Add missing return keyword to examples.
4         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
5         "command-line".
6
7 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
8
9         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
10         the variable part of the offset as well.  Use highest_pow2_factor for
11         all alignment checks.
12
13 2010-04-30  Richard Guenther  <rguenther@suse.de>
14
15         PR tree-optimization/43879
16         * tree-ssa-structalias.c (type_could_have_pointers): Functions
17         can have pointers.
18
19 2010-04-30  Jan Hubicka  <jh@suse.cz>
20
21         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
22         varpool.
23         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
24
25 2010-04-30  Jan Hubicka  <jh@suse.cz>
26
27         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
28         New.
29         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
30         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
31         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
32         cgraph_node_set_needs_ltrans_p): Remove.
33
34 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
35
36         * sdbout.c: Include vec.h, do not include varray.h.
37         (deferred_global_decls, sdbout_global_decl,
38         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
39         * toplev.c: Do not include varray.h.
40         (dump_memory_report): Do not dump VARRAY statistics.
41         * gengtype.c (open_base_file): Ignore varray.h.
42         * Makefile.in: Update for abovementioned changes.
43         Remove all traces of varray.c and varray.h.
44         * varray.c: Remove file.
45         * varray.h: Remove file.
46
47 2010-04-30  Jan Hubicka  <jh@suse.cz>
48
49         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
50         references.
51
52 2010-04-30  Jan Hubicka  <jh@suse.cz>
53
54         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
55         needed.
56
57 2010-04-30  Richard Guenther  <rguenther@suse.de>
58
59         * tree-ssa-structalias.c (get_constraint_for_1): Generate
60         constraints for CONSTRUCTOR.
61
62 2010-04-30  Richard Guenther  <rguenther@suse.de>
63
64         PR lto/43946
65         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
66         first after all lowering passes.
67
68 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
69
70         * toplev.c: Include varray.h for statistics dumping.
71         * tree.h: Do not declare varray_head_tag.
72         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
73         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
74         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
75         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
76         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
77         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
78         c-common.c, c-common.h, reg-stack.c, basic-block.h,
79         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
80         include varray.h.
81         * Makefile.in: Update for abovementioned changes.
82
83 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
84
85         PR debug/43942
86         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
87
88 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
89
90         * config/picochip/picochip.c (picochip_legitimize_address): Define.
91         Use this function to do machine-specific conversion.
92         (picochip_legitimize_reload_address): Likewise.
93         (picochip_legitimate_address_p): Check valid base register only if
94         strict.
95         (picochip_check_conditional_copy): Check for modw only if opnd is
96         register.
97         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
98         to call the function in c.
99         * config/picochip/picochip-protos.h
100         (picochip_legitimize_reload_address): Define.
101         * config/picochip/picochip.md (supported_compare1): Define.
102
103 2010-04-30  Jan Hubicka  <jh@suse.cz>
104
105         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
106         (cgraph_global_info): Remove inlined.
107         (LTO_cgraph_tag_names): Remove.
108         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
109         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
110         simplify cgraph tags and document.
111         (lto_output_node): Use only LTO_cgraph_unavail_node and
112         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
113         for_functions_valid, global info, process and output
114         flags.
115         (input_overwrite_node): Initialize estimated stack size and
116         estimated growth.
117         Do not read flags we no longer store.
118         (input_node): Likewise do not read info no longer stored.
119         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
120         flag.
121
122 2010-04-30  Richard Guenther  <rguenther@suse.de>
123
124         PR tree-optimization/43879
125         * tree-ssa-structalias.c (get_constraint_for_1): Properly
126         handle non-zero initializers.
127
128 2010-04-30  Richard Guenther  <rguenther@suse.de>
129
130         * builtins.c (fold_builtin_1): Delete free (0).
131
132 2010-04-29  Jan Hubicka  <jh@suse.cz>
133
134         * gengtype.c (open_base_files): Add lto-streamer.h
135         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
136         (pass_ipa_cp): GGC collect.
137         * toplev. (compile_file): Do not output symbols.
138         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
139         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
140         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
141         * lto-section-in.c: Include ggc.h
142         (lto_new_in_decl_state): Alloc in GGC.
143         (lto_delete_in_decl_state): Likewise.
144         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
145
146 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
147
148         PR target/42895
149         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
150         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
151         (HONOR_REG_ALLOC_ORDER): Describe new macro.
152         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
153         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
154         account only if HONOR_REG_ALLOC_ORDER is not defined.
155         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
156         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
157         
158 2010-04-29  Jon Grant <04@jguk.org>
159         
160         * collect2.c (vflag): Change type from int to bool.
161         (debug): Likewise.
162         (helpflag): New global bool.
163         (main): Set vflag and debug with boolean, not integer truth
164         values.  Accept new "--help" option and output usage text if
165         found.
166         * collect2.h (vflag): Update prototype.
167         (debug): Likewise.
168         
169 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
170
171         PR bootstrap/43936
172         * plugin.h (flag_plugin_added): Moved out of
173         invoke_plugin_callbacks.
174
175 2010-04-29  Richard Guenther  <rguenther@suse.de>
176
177         PR bootstrap/43935
178         * plugin.h (invoke_plugin_callbacks): Annotate arguments
179         with ATTRIBUTE_UNUSED.
180
181 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
182
183         PR target/43921
184         * config/i386/i386.c (get_some_local_dynamic_name): Replace
185         INSN_P with NONDEBUG_INSN_P.
186         (distance_non_agu_define): Likewise.
187         (distance_agu_use): Likewise.
188
189 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
190
191         From Dominique d'Humieres <dominiq@lps.ens.fr>
192         PR bootstrap/43858
193         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
194         test_set.
195
196 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
197
198         * plugin.h (invoke_plugin_callbacks): New inline function.
199         * plugin.c (flag_plugin_added): New global flag.
200         (add_new_plugin): Initialize above flag.
201         (invoke_plugin_callbacks): Rename to ...
202         (invoke_plugin_callbacks_full): ... this.
203
204 2010-04-28  Jan Hubicka  <jh@suse.cz>
205
206         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
207         (lto_varpool_replace_node): New.
208         (lto_symtab_resolve_symbols): Resolve varpool nodes.
209         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
210         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
211         * cgraph.h (varpool_node_ptr): New type.
212         (varpool_node_ptr): New vector.
213         (varpool_node_set_def): New structure.
214         (varpool_node_set): New type.
215         (varpool_node_set): New vector.
216         (varpool_node_set_element_def): New structure.
217         (varpool_node_set_element, const_varpool_node_set_element): New types.
218         (varpool_node_set_iterator): New type.
219         (varpool_node): Add prev pointers, add used_from_other_partition,
220         in_other_partition.
221         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
222         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
223         varpool_get_node, varpool_remove_node): Declare.
224         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
225         varpool_node_set_size): New inlines.
226         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
227         * tree-pass.h (varpool_node_set_def): Forward declare.
228         (ipa_opt_pass_d): Summary writting takes vnode sets too.
229         (ipa_write_optimization_summaries): Update prototype.
230         * ipa-cp.c (ipcp_write_summary): Update.
231         * ipa-reference.c (ipa_reference_write_summary): Update.
232         * lto-cgraph.c (lto_output_varpool_node): New static function.
233         (output_varpool): New function.
234         (input_varpool_node): New static function.
235         (input_varpool_1): New function.
236         (input_cgraph): Input varpool.
237         * ipa-pure-const.c (pure_const_write_summary): Update.
238         * lto-streamer-out.c (lto_output): Update, output varpool too.
239         (write_global_stream): Kill WPA hack.
240         (produce_asm_for_decls): Update.
241         (output_alias_pair_p): Handle variables.
242         (output_unreferenced_globals): Output only needed partition of varpool.
243         * ipa-inline.c (inline_write_summary): Update.
244         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
245         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
246         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
247         varpool_node_set_new, varpool_node_set_add,
248         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
249         debug_varpool_node_set): New functions.
250         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
251         (execute_one_pass): Process new decls too.
252         (ipa_write_summaries_2): Pass around vsets.
253         (ipa_write_summaries_1): Likewise.
254         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
255         to add.
256         (ipa_write_optimization_summaries_1): Pass around vsets.
257         (ipa_write_optimization_summaries): Likewise.
258         * varpool.c (varpool_get_node): New.
259         (varpool_node): Update doubly linked lists.
260         (varpool_remove_node): New.
261         (dump_varpool_node): More dumping.
262         (varpool_enqueue_needed_node): Update doubly linked lists.
263         (decide_is_variable_needed): Kill ltrans hack.
264         (varpool_finalize_decl): Kill lto hack.
265         (varpool_assemble_decl): Skip decls in other partitions.
266         (varpool_assemble_pending_decls): Update doubly linkes lists.
267         (varpool_empty_needed_queue): Likewise.
268         (varpool_extra_name_alias): Likewise.
269         * lto-streamer.c (lto_get_section_name): Add vars section.
270         * lto-streamer.h (lto_section_type): Update.
271         (output_varpool, input_varpool): Declare.
272
273 2010-04-28  Mike Stump  <mikestump@comcast.net>
274
275         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
276
277 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
278
279         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
280         record or union type with RECORD_OR_UNION_TYPE_P predicate.
281         (lto_input_ts_type_tree_pointers): Likewise.
282         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
283         (lto_output_ts_type_tree_pointers): Likewise.
284
285 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
286
287         Uniquization of constants at the Tree level
288         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
289         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
290         bit to the end.
291         (tree_output_constant_def): Declare.
292         * gimplify.c (gimplify_init_constructor): When using block copy, first
293         uniquize the constant constructor on the RHS.
294         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
295         DECL_IN_CONSTANT_POOL flag.
296         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
297         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
298         constant pool.
299         (assemble_variable): Deal with symbols belonging to the tree constant
300         pool.
301         (get_constant_section): Add ALIGN parameter and simplify.
302         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
303         (assemble_constant_contents): Use the expression of the VAR_DECL.
304         (output_constant_def_contents): Use the alignment of the VAR_DECL.
305         (tree_output_constant_def): New global function.
306         (mark_constant): Use the expression of the VAR_DECL.
307         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
308         its expression.
309         (output_object_block): Likewise and assemble the expression.
310
311 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
312
313         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
314         hash_tree, eq_tree): New tree hash table.
315         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
316         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
317         lto_orig_address_remove): Reimplement.
318
319 2010-04-28  Xinliang David Li  <davidxl@google.com>
320
321         PR c/42643
322         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
323         (compute_uninit_opnds_pos): New function.
324         (is_non_loop_exit_postdominating): New function.
325         (compute_control_dep_chain): New function.
326         (find_pdom): New function.
327         (convert_control_dep_chain_into_preds): New function.
328         (find_predicates): New function.
329         (find_control_equiv_block): New function.
330         (collect_phi_def_edges): New function.
331         (find_def_preds): New function.
332         (find_dom): New function.
333         (dump_predicates): New function.
334         (get_cmp_code): New function.
335         (is_value_included_in): New function.
336         (find_matching_predicate_in_rest_chains): New function.
337         (use_pred_not_overlap_with_undef_path_pred): New function.
338         (is_use_properly_guarded): New function.
339         (normalize_cond_1): New function.
340         (is_and_or_or): New function.
341         (normalize_cond): New function.
342         (is_gcond_subset_of): New function.
343         (is_subset_of_any): New function.
344         (is_or_set_subset_of): New function.
345         (is_and_set_subset_of): New function.
346         (is_norm_cond_subset_of): New function.
347         (is_pred_expr_subset_of): New function.
348         (is_pred_chain_subset_of): New function.
349         (is_included_in): New function.
350         (is_superset_of): New function.
351         (find_uninit_use): New function.
352         (warn_uninitialized_phi): New function.
353         (compute_possibly_undefined_names): New function.
354         (ssa_undefined_value_p): New function.
355         (execute_late_warn_uninitialized): New function.
356         * tree-ssa.c (ssa_undefined_value_p): Removed.
357         (warn_uninit): Changed to extern.
358         (warn_uninitialized_phi): Removed.
359         (warn_uninitialized_vars): Changed to extern.
360         (execute_late_warn_uninitialized): Removed
361         * tree-flow.h: Add new prototypes.
362         * timevar.def: Add new time variable.
363         * Makefile.in: Add new build file.
364
365 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
366
367         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
368         type if available.
369
370 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
371
372         PR target/22224
373         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
374
375 2010-04-28  Martin Jambor  <mjambor@suse.cz>
376
377         * cgraph.h (struct cgraph_node): New field indirect_calls.
378         (struct cgraph_indirect_call_info): New type.
379         (struct cgraph_edge): Removed field indirect_call. New fields
380         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
381         (cgraph_create_indirect_edge): Declare.
382         (cgraph_make_edge_direct): Likewise.
383         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
384         * ipa-prop.h (struct ipa_param_call_note): Removed.
385         (struct ipa_node_params): Removed field param_calls.
386         (ipa_create_all_structures_for_iinln): Declare.
387         * cgraph.c: Described indirect edges and uids in initial comment.
388         (cgraph_add_edge_to_call_site_hash): New function.
389         (cgraph_edge): Search also among the indirect edges, use
390         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
391         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
392         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
393         site hash.
394         (initialize_inline_failed): Assign a reason to indirect edges.
395         (cgraph_create_edge_1): New function.
396         (cgraph_create_edge): Moved some functionality to
397         cgraph_create_edge_1.
398         (cgraph_create_indirect_edge): New function.
399         (cgraph_edge_remove_callee): Add an assert checking for
400         non-indirectness.
401         (cgraph_edge_remove_caller): Special-case indirect edges.
402         (cgraph_remove_edge): Likewise.
403         (cgraph_set_edge_callee): New function.
404         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
405         (cgraph_make_edge_direct): New function.
406         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
407         the declaration of the call statement matches.
408         (cgraph_node_remove_callees): Special-case indirect edges.
409         (cgraph_clone_edge): Likewise.
410         (cgraph_clone_node): Clone also the indirect edges.
411         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
412         indirect_call, dump count of indirect_calls edges.
413         * ipa-prop.c (iinlining_processed_edges): New variable.
414         (ipa_note_param_call): Create indirect edges instead of
415         creating notes.  New parameter node.
416         (ipa_analyze_call_uses): New parameter node, pass it on to
417         ipa_note_param_call.
418         (ipa_analyze_stmt_uses): Likewise.
419         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
420         (print_edge_addition_message): Work on edges rather than on notes.
421         (update_call_notes_after_inlining): Likewise, renamed to
422         update_indirect_edges_after_inlining.
423         (ipa_create_all_structures_for_iinln): New function.
424         (ipa_free_node_params_substructures): Do not free notes.
425         (ipa_edge_duplication_hook): Propagate bits within
426         iinlining_processed_edges bitmap.
427         (ipa_node_duplication_hook): Do not duplicate notes.
428         (free_all_ipa_structures_after_ipa_cp): Renamed to
429         ipa_free_all_structures_after_ipa_cp.
430         (free_all_ipa_structures_after_iinln): Renamed to
431         ipa_free_all_structures_after_iinln.g
432         (ipa_write_param_call_note): Removed.
433         (ipa_read_param_call_note): Removed.
434         (ipa_write_indirect_edge_info): New function.
435         (ipa_read_indirect_edge_info): Likewise.
436         (ipa_write_node_info): Do not stream notes, do stream information
437         in indirect edges.
438         (ipa_read_node_info): Likewise.
439         (lto_ipa_fixup_call_notes): Removed.
440         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
441         * ipa-inline.c (pass_ipa_inline): Likewise.
442         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
443         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
444         * tree-inline.c (copy_bb): Removed an unnecessary double check for
445         is_gimple_call.
446         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
447         edges.
448         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
449         (output_cgraph): Stream also indirect edges.
450         (lto_output_edge): Added capability to stream indirect edges.
451         (input_edge): Likewise.
452         (input_cgraph_1): Likewise.
453         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
454         of indirect edges.
455
456 2010-04-28  Richard Guenther  <rguenther@suse.de>
457
458         PR tree-optimization/43879
459         PR tree-optimization/43909
460         * tree-ssa-structalias.c (struct variable_info): Add
461         only_restrict_pointers flag.
462         (new_var_info): Initialize it.  Increment stats.total_vars here.
463         (create_function_info_for): Do not increment stats.total_vars
464         here.
465         (get_function_part_constraint): Fix build with C++.
466         (insert_into_field_list): Remove.
467         (push_fields_onto_fieldstack): Properly merge fields.
468         (create_variable_info_for): Split and simplify.
469         (create_variable_info_for_1): New piece.
470         (intra_create_variable_infos): Properly make restrict constraints
471         from parameters.
472
473 2010-04-28  Richard Guenther  <rguenther@suse.de>
474
475         PR c++/43880
476         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
477         value-exprs.
478
479 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
480             Jan Hubicka <hubicka@ucw.cz>
481
482         * doc/invoke.texi (-Wsuggest-attribute=const,
483         -Wsuggest-attribute=pure): Document.
484         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
485         (function_always_visible_to_compiler_p,
486         suggest_attribute, warn_function_pure, warn_function_const):
487         New functions.
488         (check_call): Improve debug info.
489         (analyze_function): Do not check availability.
490         (add_new_function): Check availability.
491         (propagate): Output warnings.
492         (skip_function_for_local_pure_const): New function.
493         (local_pure_const): Use it; output warnings.
494         * common.opt (Wsuggest-attribute=const,
495         Wsuggest-attribute=pure): New.
496
497 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
498
499         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
500         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
501         or DW_CFA_def_cfa_offset{,_sf}.
502
503 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
504
505         * tree.h: Fix truncated long macros.
506
507 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
508
509         * collect2.c (TARGET_64BIT): Redefine to target's default.
510         * tlink.c: Likewise.
511         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
512         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
513         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
514         for underscoring __USER_LABEL_PREFIX__.
515         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
516         (SUB_LINK_ENTRY32): New.
517         (SUB_LINK_ENTRY64): New.
518         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
519         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
520         (SUB_LINK_ENTRY64): New.
521         (SUB_LINK_ENTRY): New.
522         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
523         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
524         x64 target is choosen.
525         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
526         * configure: Regenerated.
527         * configure.ac (leading-mingw64-underscores): Option added.
528
529 2010-04-27  Jan Hubicka  <jh@suse.cz>
530
531         * doc/invoke.texi (-fipa-profile): Document.
532         * opts.c (decode_options): Enable ipa-profile at -O1.
533         * timevar.def (TV_IPA_PROFILE): Define.
534         * common.opt (fipa-profile): Add.
535         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
536         flag for clones.
537         (cgraph_propagate_frequency): Handle only local ones.
538         * tree-pass.h (pass_ipa_profile): Declare.
539         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
540         (pass_ipa_profile): Use TV_IPA_PROFILE.
541         * ipa.c (ipa_profile): New function.
542         (gate_ipa_profile): Likewise.
543         (pass_ipa_profile): New global variable.
544         * passes.c (pass_ipa_profile): New.
545
546 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
547
548         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
549
550 2010-04-27  Martin Jambor  <mjambor@suse.cz>
551
552         PR middle-end/43812
553         * ipa.c (dissolve_same_comdat_group_list): New function.
554         (function_and_variable_visibility): Call
555         dissolve_same_comdat_group_list when comdat group contains external or
556         newly local nodes.
557         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
558         lists are circular and that they contain only DECL_ONE_ONLY nodes.
559
560 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
561
562         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
563         (const_hash_1) <VECTOR_CST>: New case.
564         (compare_constant) <VECTOR_CST>: Likewise.
565         <ADDR_EXPR>: Deal with LABEL_REFs.
566         (copy_constant) <VECTOR_CST>: New case.
567
568 2010-04-27  Jan Hubicka  <jh@suse.cz>
569
570         * cgraph.c (cgraph_propagate_frequency): New function.
571         * cgraph.h (cgraph_propagate_frequency): Declare.
572         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
573         cgraph_propagate_frequency.
574
575 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
576
577         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
578
579 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
580
581         PR target/40657
582         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
583         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
584         here to determine which regs to push and how much stack to reserve.
585
586 2010-04-27  Jie Zhang  <jie@codesourcery.com>
587
588         * doc/gimple.texi (gimple_statement_with_ops): Remove
589         addresses_taken field.
590         (gimple_statement_with_memory_ops): Likewise.
591
592 2010-04-27  Jan Hubicka  <jh@suse.cz>
593
594         * tree-inline.c (eni_inlining_weights): Remove.
595         (estimate_num_insns): Special case more builtins.
596
597 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
598
599         PR c/32207
600         * c-typeck.c (build_binary_op): Move forward check for comparison
601         pointer with null pointer constant and adjust the diagnostic message.
602
603 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
604
605         PR lto/42776
606         * configure.ac (gcc_cv_as_section_has_align): Set if installed
607         binutils supports extended .section directive needed by LTO, or
608         warn if older binutils found.
609         (LTO_BINARY_READER): New AC_SUBST'd variable.
610         (LTO_USE_LIBELF): Likewise.
611         * gcc/config.gcc (lto_binary_reader): New target-specific configure
612         variable.
613         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
614         (LTO_USE_LIBELF): Likewise.
615         * configure: Regenerate.
616
617         * collect2.c (is_elf): Rename from this ...
618         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
619          object files in addition to ELF-formatted ones.
620         (scan_prog_file): Caller updated.  Also allow for LTO info marker
621         symbol to be prefixed or not by an extra underscore.
622
623         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
624         * config/i386/winnt.c: Also #include lto-streamer.h
625         (i386_pe_asm_named_section): Specify 1-byte section alignment for
626         LTO named sections.
627         (i386_pe_asm_output_aligned_decl_common): Add comment.
628         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
629
630 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
631
632         PR target/43889
633         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
634         Add missing earlyclobber for second alternative.
635
636 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
637
638         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
639         bits for artificial defs at the top of the block.
640         * fwprop.c (single_def_use_enter_block): Don't call it.
641
642 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
643
644         PR 43715
645         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
646         instead of "$gcc_cv_objdump -T".
647         Use "-undefined dynamic_lookup" on darwin.
648         * gcc/configure: Regenerate.
649
650 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
651
652         PR c/43893
653         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
654
655 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
656
657         * c-parser.c (struct c_token): Move location field up.
658         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
659         (struct c_declspecs): Convert typespec_word, storage_class, and
660         default_int_p into bitfields.
661         (struct c_declarator): Move loc field up.
662
663 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
664
665         * cfgloop.h (struct loop): Move can_be_parallel field up.
666         * ipa-prop.h (struct ip_node_params): Move bitfields up.
667         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
668         down.
669         (struct iv_cand): Convert pos field into a bitfield.
670         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
671         field up.
672         (struct _stmt_vec_info): Shuffle fields for better packing.
673
674 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
675
676         * varasm.c (IN_NAMED_SECTION): Remove guard.
677         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
678         (IN_NAMED_SECTION_P): ...this.
679         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
680         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
681
682 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
683
684         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
685         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
686         of shadowing it.  Fix comments.
687
688 2010-04-26  Jan Hubicka  <jh@suse.cz>
689
690         * cgraph.c (cgraph_create_node): Set node frequency to normal.
691         (cgraph_clone_node): Copy function frequency.
692         * cgraph.h (node_frequency): New enum
693         (struct cgraph_node): Add.
694         * final.c (rest_of_clean_state): Update.
695         * lto-cgraph.c (lto_output_node): Output node frequency.
696         (input_overwrite_node): Input node frequency.
697         * tre-ssa-loop-ivopts (computation_cost): Update.
698         * lto-streamer-out.c (output_function): Do not output function
699         frequency.
700         * predict.c (maybe_hot_frequency_p): Update and handle functions
701         executed once.
702         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
703         attribute lookup.
704         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
705         (compute_function_frequency): Set noreturn functions to be executed
706         once.
707         (choose_function_section): Update.
708         * lto-streamer-in.c (input_function): Do not input function frequency.
709         * function.c (allocate_struct_function): Do not initialize function
710         frequency.
711         * function.h (function_frequency): Remove.
712         (struct function): Remove function frequency.
713         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
714         (try_update): Update.
715         * tree-inline.c (initialize_cfun): Do not update function frequency.
716         * passes.c (pass_init_dump_file): Update.
717         * i386.c (ix86_compute_frame_layout): Update.
718         (ix86_pad_returns): Update.
719
720 2010-04-26  Jie Zhang  <jie@codesourcery.com>
721
722         PR tree-optimization/43833
723         * tree-vrp.c (range_int_cst_p): New.
724         (range_int_cst_singleton_p): New.
725         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
726         when both operands are constants.  Use range_int_cst_p in
727         BIT_IOR_EXPR case.
728
729 2010-04-26  Jan Hubicka  <jh@suse.cz>
730
731         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
732
733 2010-04-26  Richard Guenther  <rguenther@suse.de>
734
735         PR lto/43080
736         * gimple.c (gimple_decl_printable_name): Deal gracefully
737         with a NULL DECL_NAME.
738
739 2010-04-26  Richard Guenther  <rguenther@suse.de>
740
741         PR lto/42425
742         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
743         if emitting debug information and it is either a function
744         or a namespace decl.
745
746 2010-04-26  Ira Rosen  <irar@il.ibm.com>
747
748         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
749         determine if the statement is vectorizable, and a macro to access it.
750         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
751         Skip statements that can't be vectorized. If the analysis fails,
752         mark the statement as unvectorizable if vectorizing basic block.
753         (vect_compute_data_refs_alignment): Likewise.
754         (vect_verify_datarefs_alignment): Skip statements marked as
755         unvectorizable. Add print.
756         (vect_analyze_group_access): Skip statements that can't be
757         vectorized. If the analysis fails, mark the statement as
758         unvectorizable if vectorizing basic block.
759         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
760         * tree-vect-stmts.c (vectorizable_store): Fix the number of
761         generated stmts for SLP.
762         (new_stmt_vec_info): Initialize the new field.
763         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
764         statements marked as unvectorizable.
765
766 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
767
768         * c-common.c (flag_isoc1x): New.
769         (flag_isoc99): Update comment.
770         * c-common.h (flag_isoc1x): New.
771         (flag_isoc99): Update comment.
772         * c-cppbuiltin.c (builtin_define_float_constants): Also define
773         __<type>_DECIMAL_DIG__.
774         * c-opts.c (set_std_c1x): New.
775         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
776         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
777         * c.opt (-std=c1x, -std=gnu1x): New options.
778         * doc/cpp.texi: Mention -std=c1x.
779         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
780         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
781         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
782         * doc/standards.texi: Mention C1X.
783         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
784         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
785         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
786         Define for C1X.
787
788 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
789
790         * config/i386/gmon-sol2.c (_mcleanup): Change format string
791         placeholder from 0x%x to %#x.
792         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
793         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
794         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
795         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
796         * config/i386/i386.c (ix86_target_string): Ditto.
797         (output_pic_addr_const): Ditto.
798         (print_operand): Ditto.
799
800 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
801
802         * combine.c (find_split_point): Add third argument.  Use it
803         to find nested multiply-accumulate instructions.  Adjust calls.
804         (try_combine): Adjust call to find_split_point.
805
806 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
807
808         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
809
810 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
811
812         PR tree-optimization/41442
813         * fold-const.c (merge_truthop_with_opposite_arm): New function.
814         (fold_binary_loc): Call it.
815
816 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
817
818         * toplev.c (general_init): Set default for fdiagnostics-show-option.
819         * opts.c (common_handle_option): Allow disabling it.
820         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
821
822 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
823
824         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
825         between modes if both types are integral.
826
827 2010-04-23  Richard Guenther  <rguenther@suse.de>
828
829         PR tree-optimization/43572
830         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
831
832 2010-04-23  Richard Guenther  <rguenther@suse.de>
833
834         PR lto/43455
835         * tree-inline.c (tree_can_inline_p): Also check compatibility
836         of return types.
837
838 2010-04-23  Martin Jambor  <mjambor@suse.cz>
839
840         PR tree-optimization/43846
841         * tree-sra.c (struct access): New flag grp_assignment_read.
842         (build_accesses_from_assign): Set grp_assignment_read.
843         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
844         (enum mark_read_status): New type.
845         (analyze_access_subtree): Propagate grp_assignment_read, create
846         accesses also if both direct_read and root->grp_assignment_read.
847
848 2010-04-23  Martin Jambor  <mjambor@suse.cz>
849
850         PR middle-end/43835
851         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
852         function does not have type attributes.
853
854 2010-04-23  Richard Guenther  <rguenther@suse.de>
855
856         PR lto/42653
857         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
858         of FUNCTION_DECLs.
859
860 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
861
862         * sese.h (create_if_region_on_edge): Remove.
863
864         * sese.c (create_if_region_on_edge): Make static.
865
866         * tree-inline.c: Do not include ggc.h.
867
868         * expr.c: Do not include ggc.h.
869
870         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
871         dependencies.
872
873 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
874
875         PR target/43744
876         * config/sh/sh.c (find_barrier): Don't emit a constant pool
877         in the middle of insns for casesi_worker_2.
878
879 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
880
881         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
882
883 2010-04-22  Ira Rosen  <irar@il.ibm.com>
884
885         PR tree-optimization/43842
886         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
887         loop unrolling in update of exit phis. Fix comment.
888         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
889         least two reduction statements in the loop before starting SLP
890         analysis.
891
892 2010-04-22  Nick Clifton  <nickc@redhat.com>
893
894         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
895
896 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
897
898         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
899         to simplify a + ~a.
900
901 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
902
903         * tree-parloops.c (loop_parallel_p): New argument
904         parloop_obstack.  Pass it down.
905         (parallelize_loops): New variable parloop_obstack.  Initialize it,
906         pass it down, free it.
907
908         * tree-loop-linear.c (linear_transform_loops): Pass down
909         lambda_obstack.
910
911         * tree-data-ref.h (lambda_compute_access_matrices): New argument
912         of type struct obstack *.
913
914         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
915         scratch_obstack.  Initialize it, pass down, free it.
916
917         * lambda.h (lambda_loop_new): Remove.
918         (lambda_matrix_new, lambda_matrix_inverse)
919         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
920         argument of type struct obstack *.
921
922         * lambda-trans.c (lambda_trans_matrix_new): New argument
923         lambda_obstack.  Pass it down, use obstack allocation for ret.
924         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
925         it down.
926
927         * lambda-mat.c (lambda_matrix_get_column)
928         (lambda_matrix_project_to_null): Remove.
929         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
930         allocation for mat.
931         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
932         lambda_obstack.
933
934         * lambda-code.c (lambda_loop_new): New function.
935         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
936         (lambda_compute_auxillary_space, lambda_compute_target_space)
937         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
938         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
939         (build_access_matrix): New argument lambda_obstack.  Use obstack
940         allocation for am.
941         (lambda_compute_step_signs, lambda_compute_access_matrices): New
942         argument lambda_obstack.  Pass it down.
943
944 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
945
946         * optabs.h (expand_widening_mult): Declare.
947
948 2010-04-22  Richard Guenther  <rguenther@suse.de>
949
950         PR tree-optimization/43845
951         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
952         lookup the CALL_EXPR function and arguments.
953
954 2010-04-22  Nick Clifton  <nickc@redhat.com>
955
956         * config/stormy16/stormy16.c
957         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
958         * config/stormy16/stormy16.h: Tidy up formatting.
959         (DONT_USE_BUILTIN_SETJMP): Remove definition.
960         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
961         (ineqbranchsi): Delete pattern.
962         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
963         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
964         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
965         stormy16-lib2-ucmpsi2.c.
966
967 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
968
969         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
970         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
971         extra set merge_set_noclobber, and use it to relax the final test
972         slightly.
973         * df.h (df_simulate_find_noclobber_defs): Declare.
974         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
975         conditional defs.
976         (df_simulate_find_noclobber_defs): New function.
977
978 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
979
980         * config/i386/i386.md: Use {} around multi-line preparation statements.
981
982 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
983
984         * c-tree.h (push_init_level, pop_init_level, set_init_index)
985         (process_init_element): New argument of type struct obstack *.
986
987         * c-typeck.c (push_init_level, pop_init_level, set_designator)
988         (set_init_index, set_init_label, set_nonincremental_init)
989         (set_nonincremental_init_from_string, find_init_member)
990         (output_init_element, output_pending_init_elements)
991         (process_init_element): New argument braced_init_obstack.  Pass it
992         down.
993         (push_range_stack, add_pending_init): New argument
994         braced_init_obstack.  Use obstack allocation.
995
996         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
997         braced_init_obstack.  Pass it down.
998         (c_parser_braced_init): New variables ret, braced_init_obstack.
999         Initialize obstack, pass it down and finally free it.
1000
1001 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1002
1003         PR middle-end/29274
1004         * tree-pass.h (pass_optimize_widening_mul): Declare.
1005         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1006         gate_optimize_widening_mul): New static functions.
1007         (pass_optimize_widening_mul): New.
1008         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1009         <case MULT_EXPR>: Remove support for widening multiplies.
1010         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1011         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1012         simplify_gen_unary rather than directly building extensions.
1013         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1014         WIDEN_MULT_EXPR.
1015         * expmed.c (expand_widening_mult): New function.
1016         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1017
1018 2010-04-21  Jan Hubicka  <jh@suse.cz>
1019
1020         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1021         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1022         * lto-wpa-fixup.c: Remove.
1023         * Makefile.in (lto-wpa-fixup.o): Remove.
1024         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1025         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1026         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1027
1028 2010-04-21  Jan Hubicka  <jh@suse.cz>
1029
1030         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1031         add write_optimization_summary, read_optimization_summary.
1032         (ipa_write_summaries_of_cgraph_node_set): Remove.
1033         (ipa_write_optimization_summaries): Declare.
1034         (ipa_read_optimization_summaries): Declare.
1035         * ipa-cp.c (pass_ipa_cp): Update.
1036         * ipa-reference.c (pass_ipa_reference): Update.
1037         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1038         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1039         Update.
1040         * ipa-inline.c (pass_ipa_inline): Update.
1041         * ipa.c (pass_ipa_whole_program): Update.
1042         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1043         * passes.c (ipa_write_summaries_1): Do not test wpa.
1044         (ipa_write_optimization_summaries_1): New.
1045         (ipa_write_optimization_summaries): New.
1046         (ipa_read_summaries): Do not test ltrans.
1047         (ipa_read_optimization_summaries_1): New.
1048         (ipa_read_optimization_summaries): New.
1049
1050 2010-04-21  Jan Hubicka  <jh@suse.cz>
1051
1052         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1053         for boundary nodes.
1054         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1055
1056 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1057
1058         PR debug/40040
1059         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1060         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1061
1062 2010-04-21  Jan Hubicka  <jh@suse.cz>
1063
1064         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1065
1066 2010-04-21  Jan Hubicka  <jh@suse.cz>
1067
1068         * varpool.c (decide_is_variable_needed): Variable is always needed
1069         during ltrans.
1070
1071 2010-04-21  Jan Hubicka  <jh@suse.cz>
1072
1073         * opts.c (decode_options): Enable pure-const pass for whopr.
1074
1075 2010-04-21  Jan Hubicka  <jh@suse.cz>
1076
1077         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1078         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1079         at WPA dumping.
1080         (cgraph_decide_inlining): Do not expect callee to be removed in all
1081         cases.
1082
1083 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1084
1085         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1086
1087 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1088
1089         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1090         amdfam10_decode attributes.
1091
1092 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1093
1094         PR middle-end/43570
1095         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1096         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1097         (lower_copyprivate_clauses): Use private var in outer
1098         context instead of original var.  Make sure the types
1099         are correct for VLAs.
1100
1101 2010-04-21  Richard Guenther  <rguenther@suse.de>
1102
1103         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1104         to non-pointer objects.
1105
1106 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1107
1108         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1109         last chain entry if it starts with the still current label.
1110         (add_location_or_const_value_attribute): Check that
1111         loc_list->first->next is NULL instead of comparing ->first with ->last.
1112         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1113         to add_var_loc_to_decl.
1114
1115         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1116         >= 4 add also address size and segment size fields into CIE header.
1117
1118         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1119         long as address size is the same as sizeof (void *) and
1120         segment size is 0.
1121         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1122         address size or segment size is unexpected, return DW_EH_PE_omit.
1123         (classify_object_over_fdes): If get_cie_encoding returned
1124         DW_EH_PE_omit, return -1.
1125         (init_object): If classify_object_over_fdes returned -1,
1126         pretend there were no FDEs at all.
1127
1128 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1129
1130         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1131         bswap{si,di}2 using SWI48 mode iterator.
1132         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1133         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1134         set modrm attribute of bswap insn to 0 and remove length attribute.
1135         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1136         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1137         set mode attribute to <MODE> and remove length attribute.
1138
1139 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1140
1141         PR rtl-optimization/43520
1142         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1143         zero available registers.
1144
1145 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1146
1147         * builtins.c (fold_builtin_cproj): Fold more cases.
1148
1149 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1150
1151         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1152         (fold_builtin_1): Fold builtin cproj.
1153         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1154         Use ATTR_CONST_NOTHROW_LIST.
1155
1156 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1157
1158         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1159         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1160         ffsi2_no_cmove for !TARGET_CMOVE.
1161         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1162         (ffssi2): Remove expander.
1163         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1164         mode iterator.
1165         (ctz<mode>2): Ditto from ctz{si,di}2.
1166         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1167         mode iterator.
1168         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1169         mode iterator.
1170
1171 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1172
1173         * dwarf2out.c (AT_linkage_name): Define.
1174         (clone_as_declaration): Handle DW_AT_linkage_name.
1175         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1176         of DW_AT_MIPS_linkage_name.
1177         (move_linkage_attr): Likewise.
1178         (dwarf2out_finish): Likewise.
1179
1180 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1181
1182         PR middle-end/41952
1183         * fold-const.c (fold_comparison): New folding rule.
1184
1185 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1186
1187         * double-int.h (double_int_setbit): Declare.
1188         * double-int.c (double_int_setbit): New function.
1189         * rtl.h (immed_double_int_const): Declare.
1190         * emit-rtl.c (immed_double_int_const): New function.
1191         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1192         and immed_double_int_const functions.
1193         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1194         expand_copysign_bit):  (Ditto.).
1195         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1196         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1197         * dojump.c (prefer_and_bit_test): (Ditto.).
1198         * expr.c (convert_modes, reduce_to_bit_field_precision,
1199         const_vector_from_tree): (Ditto.).
1200         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1201
1202 2010-04-20  Jan Hubicka  <jh@suse.cz>
1203
1204         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1205         (dump_cgraph_node): Dump new flags.
1206         * cgraph.h (struct cgraph_node): Add flags
1207         reachable_from_other_partition and in_other_partition.
1208         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1209         other partition can not be removed.
1210         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1211         the other partition must be output; silence sanity checking on
1212         leaking functions bodies from other paritition.
1213         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1214         (lto_output_node): Output new flags; do not sanity check that inline
1215         clones are output; drop lto_forced_extern_inline_p code; do not mock
1216         visibility flags at partition boundaries.
1217         (add_node_to): New function.
1218         (output_cgraph): Use it to sort functions so masters appear before
1219         clones.
1220         (input_overwrite_node): Input new flags.
1221         * passes.c (ipa_write_summaries): Do not call
1222         lto_new_extern_inline_states.
1223         * lto-section-out.c (forced_extern_inline,
1224         lto_new_extern_inline_states lto_delete_extern_inline_states,
1225         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1226         * lto-streamer.h (lto_new_extern_inline_states,
1227         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1228         lto_forced_extern_inline_p): Kill.
1229
1230 2010-04-20  Richard Guenther  <rguenther@suse.de>
1231
1232         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1233         from vars that can have pointers.
1234         (process_constraint): Dump useless constraints.
1235
1236 2010-04-20  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1239         (dump_sa_points_to_info): Remove asserts.
1240         (init_base_vars): nothing_id isn't an escape point nor does it
1241         have pointers.
1242
1243 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1244
1245         * tree.h (TYPE_REF_IS_RVALUE): Define.
1246         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1247         should_move_die_to_comdat, prune_unused_types_walk): Handle
1248         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1249         (modified_type_die, gen_reference_type_die): Emit
1250         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1251         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1252
1253 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1254
1255         PR target/43635
1256         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1257         calls for -fpic -m31 if they have been sibcall optimized.
1258
1259 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1260
1261         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1262         ar.lc fixed and call-used.
1263
1264         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1265
1266 2010-04-19  Jan Hubicka  <jh@suse.cz>
1267
1268         * opts.c (decode_options): Disable whpr incompatible passes.
1269         * lto/lto.c (lto_1_to_1_map): Skip clones.
1270         (read_cgraph_and_symbols): Do not mark everything as needed.
1271         (do_whole_program_analysis): Do map only after optimizing;
1272         set proper cgraph_state; use passmanager.
1273
1274 2010-04-19  DJ Delorie  <dj@redhat.com>
1275
1276         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1277         POINTER_PLUS_EXPR and fix them.
1278
1279 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1280
1281         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1282         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1283         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1284         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1285         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1286         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1287         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1288         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1289         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1290         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1291         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1292
1293 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1294
1295         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1296         (check_cond_move_block): Likewise.
1297         (cond_move_process_if_block): Likewise.
1298         (noce_find_if_block): Improve formatting.
1299         (find_if_header): Pass 0 to memset and tweak conditions.
1300         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1301
1302 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1303
1304         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1305         for -gdwarf-4.
1306
1307         PR middle-end/43337
1308         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1309         with non-local decl doesn't need chain.
1310
1311 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1312
1313         * ira-color.c (allocno_reload_assign): Avoid accumulating
1314         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1315
1316 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1317
1318         * gimple.h (create_tmp_reg): Declare.
1319         * gimplify.c (create_tmp_reg): New function.
1320         (gimplify_return_expr): Use create_tmp_reg.
1321         (gimplify_omp_atomic): Likewise.
1322         (gimple_regimplify_operands): Likewise.
1323         * tree-dfa.c (make_rename_temp): Likewise.
1324         * tree-predcom.c (predcom_tmp_var): Likewise.
1325         (reassociate_to_the_same_stmt): Likewise.
1326         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1327         (get_replaced_param_substitute): Likewise.
1328         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1329         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1330         * tree-ssa-pre.c (get_representative_for): Likewise.
1331         (create_expression_by_pieces): Likewise.
1332         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1333         (create_tailcall_accumulator): Likewise.
1334
1335 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1336
1337         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1338         new_stmt.
1339         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1340
1341 2010-04-19  Richard Guenther  <rguenther@suse.de>
1342
1343         PR tree-optimization/43796
1344         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1345         from SCEV in the lattice.
1346         (vrp_visit_phi_node): Dump change.
1347
1348 2010-04-19  Richard Guenther  <rguenther@suse.de>
1349
1350         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1351         * configure: Re-generated.
1352
1353 2010-04-19  Richard Guenther  <rguenther@suse.de>
1354
1355         PR tree-optimization/43783
1356         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1357         constant ARRAY_REF operands two and three if possible.
1358
1359 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1360
1361         PR target/43766
1362         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1363
1364 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1365
1366         PR target/43662
1367         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1368
1369 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1370
1371         PR tree-optimization/37027
1372         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1373         and macro to access it.
1374         (vectorizable_reduction): Add argument.
1375         (vect_get_slp_defs): Likewise.
1376         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1377         statements for possible use in SLP.
1378         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1379         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1380         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1381         add new argument.
1382         (vectorizable_reduction): Likewise.
1383         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1384         vect_get_slp_defs.
1385         (vectorizable_type_demotion, vectorizable_type_promotion,
1386         vectorizable_store): Likewise.
1387         (vect_analyze_stmt): Update call to vectorizable_reduction.
1388         (vect_transform_stmt): Likewise.
1389         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1390         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1391         from different interleaving chains in same node.
1392         (vect_slp_rearrange_stmts): New function.
1393         (vect_supported_load_permutation_p): Allow load permutations for
1394         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1395         inside SLP nodes if necessary.
1396         (vect_analyze_slp_instance): Handle reductions.
1397         (vect_analyze_slp): Try to build SLP instances originating from groups
1398         of reductions.
1399         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1400         (vect_get_constant_vectors): Create initial vectors for reductions
1401         according to reduction code. Add new argument.
1402         (vect_get_slp_defs): Add new argument, pass it to
1403         vect_get_constant_vectors.
1404         (vect_schedule_slp_instance): Remove SLP tree root statements.
1405
1406 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1407
1408         * tree.h (ENUM_IS_SCOPED): Define.
1409         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1410         for ENUM_IS_SCOPED enums.
1411
1412 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1413
1414         * fold-const.c (fold_comparison): Use ssizetype.
1415         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1416         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1417         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1418         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1419
1420         * tree.h (initialize_sizetypes): Remove parameter.
1421         (build_common_tree_nodes): Remove second parameter.
1422         * stor-layout.c (initialize_sizetypes): Remove parameter.
1423         Always create an unsigned type.
1424         (set_sizetype): Assert that the passed type is unsigned and simplify.
1425         * tree.c (build_common_tree_nodes): Remove second parameter.
1426         Adjust call to initialize_sizetypes.
1427         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1428         build_common_tree_nodes.
1429
1430 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1431
1432         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1433
1434 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1435
1436         PR tree-optimization/43771
1437         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1438         load permutation doesn't have gaps.
1439
1440 2010-04-18  Jan Hubicka  <jh@suse.cz>
1441
1442         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1443         (sse_prologue_save_insn expander): Use new pattern.
1444         (sse_prologue_save_insn1): New pattern and splitter.
1445         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1446         blocks.
1447         * i386.c (setup_incoming_varargs_64): Do not compute jump
1448         destination here.
1449         (ix86_gimplify_va_arg): Update alignment needed.
1450         (ix86_local_alignment): Do not align all local arrays to 128bit.
1451
1452 2010-04-17  Jan Hubicka  <jh@suse.cz>
1453
1454         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1455
1456 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1457
1458         * arm.md (negdi2): Remove redundant code to force values into a
1459         register.
1460
1461 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1462
1463         * arm/bpabi.S: Add EABI alignment attributes to objects.
1464         * arm/bpabi-v6m.S: Likewise.
1465         * arm/crti.asm: Likewise.
1466         * arm/crtn.asm: Likewise.
1467         * arm/lib1funcs.asm: Likewise.
1468         * arm/libunwind.S: Likewise.
1469
1470 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1471
1472         * arm-protos.h (tune_params): New structure.
1473         * arm.c (current_tune): New variable.
1474         (arm_constant_limit): Delete.
1475         (struct processors): Add pointer to the tune parameters.
1476         (arm_slowmul_tune): New tuning option.
1477         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1478         (all_cores): Adjust to pick up the tuning model.
1479         (arm_constant_limit): New function.
1480         (arm_override_options): Select the appropriate tuning model.  Delete
1481         initialization of arm_const_limit.
1482         (arm_split_constant): Use the new constant-limit model.
1483         (arm_rtx_costs): Pick up the current tuning model.
1484         * arm.md (is_strongarm, is_xscale): Delete.
1485         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1486         for Xscale variant architectures.
1487         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1488
1489 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1490
1491         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1492         can_shift.
1493         (arm_rtx_costs_1): Remove unused variable extra_cost.
1494         (arm_unwind_emit_set): Use variable offset.
1495         (thumb1_output_casesi): Remove unused variable flags.
1496
1497 2010-04-16  Jeff Law  <law@redhat.com>
1498
1499         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1500         needing assignment rather than doing a two-phase assignment.  Remove
1501         unused variable 'm'.
1502
1503 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1504
1505         PR bootstrap/43767
1506         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1507
1508 2010-04-16  Doug Kwan  <dougkwan@google.com>
1509
1510         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1511         (next_operand_entry_id): New static variable.
1512         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1513         (add_to_ops_vec): Assigned unique ID to operand entry.
1514         (struct oecount_s): New field ID.
1515         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1516         (undistribute_ops_list): Assign unique IDs to oecounts.
1517         (init_reassoc): reset next_operand_entry_id.
1518
1519 2010-04-16  Doug Kwan  <dougkwan@google.com>
1520
1521         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1522         missing left parenthesis.
1523
1524 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1525
1526         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1527         *btdi_rex64 using SWI48 mode iterator.
1528         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1529         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1530         *jcc_btdi_mask_rex64.
1531
1532 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1533
1534         * double-int.h (tree_to_double_int): Convert to macro.
1535         * double-int.c (tree_to_double_int): Remove.
1536
1537 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1538
1539         PR debug/43762
1540         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1541         with want_address 2 and in case a single element list might be
1542         possible, call it again with want_address 0.
1543
1544 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1545
1546         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1547         case 'W' print operands for HI mode.
1548         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1549         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1550         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1551         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1552
1553         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1554
1555         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1556         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1557         #xx:3 and #xx:4 mode.
1558
1559         * config/h8300/h8300.md (inverted load with HImode dest): Add
1560         support for H8300SX.
1561
1562         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1563         satisfy 'U' constraint.
1564
1565 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1566
1567         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1568         * configure: Regenerate.
1569         * config.in: Regenerate.
1570         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1571         works.
1572
1573 2010-04-16  Richard Guenther  <rguenther@suse.de>
1574
1575         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1576         (struct tree_decl_common): ... here.
1577         (DECL_PT_UID): Adjust.
1578         (SET_DECL_PT_UID): Likewise.
1579         (DECL_PT_UID_SET_P): Likewise.
1580
1581 2010-04-16  Richard Guenther  <rguenther@suse.de>
1582
1583         PR tree-optimization/43572
1584         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1585         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1586         * tree-flow.h (is_call_clobbered): Remove.
1587         * tree-flow-inline.h (is_call_clobbered): Likewise.
1588         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1589         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1590         (execute_return_slot_opt): Adjust.
1591         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1592         check for call clobbered vars here.
1593         (find_tail_calls): Move tailcall verification to the
1594         proper place.
1595
1596 2010-04-16  Diego Novillo  <dnovillo@google.com>
1597
1598         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1599
1600 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1601
1602         PR target/40603
1603         * config/arm/arm.md (cbranchqi4): New pattern.
1604         * config/arm/predicates.md (const0_operand,
1605         cbranchqi4_comparison_operator): New predicates.
1606
1607 2010-04-16  Richard Guenther  <rguenther@suse.de>
1608
1609         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1610         (dump_gimple_stmt): Likewise.
1611
1612 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1613
1614         * recog.h (struct recog_data): New field is_operator.
1615         (struct insn_operand_data): New field is_operator.
1616         * recog.c (extract_insn): Set recog_data.is_operator.
1617         * genoutput.c (output_operand_data): Emit code to set the
1618         is_operator field.
1619         * reload.c (find_reloads): Use it rather than testing for an
1620         empty constraint string.
1621
1622         PR target/41514
1623         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1624         If the previous insn is a cbranchsi4_insn with the same arguments,
1625         omit the compare instruction.
1626
1627         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1628         register, inputs must be low registers and we need a low register
1629         scratch.  Handle alternative 2 like alternative 3.
1630
1631 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1632
1633         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1634         don't call get_addr on both.  If one expression is a VALUE and
1635         the other a REG, check VALUE's locs if the REG isn't among them.
1636
1637 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1638
1639         * config/sh/sh.h (sh_frame_pointer_required): New function.
1640         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1641         (flag_omit_frame_pointer) Set.
1642         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1643         (rounded_frame_size): Adjust size with outgoing_args_size.
1644         (sh_set_return_address): Must return from stack pointer.
1645         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1646         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1647         (ACCUMULATE_OUTGOING_ARGS): Define.
1648         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1649         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1650
1651 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1652
1653         PR target/43471
1654         * config/sh/sh.c (sh_legitimize_reload_address): Use
1655         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1656         Remove a unneeded check for offset_base.
1657
1658 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         * configure: Regenerated.
1661
1662 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1663
1664         * config/s390/s390.c (s390_call_save_register_used): Switch back
1665         to HARD_REGNO_NREGS.
1666
1667 2010-04-15  Richard Guenther  <rguenther@suse.de>
1668
1669         * alias.c (alias_set_subset_of): Handle alias-set zero
1670         child properly.
1671
1672 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1673             Julian Brown  <julian@codesourcery.com>
1674
1675         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1676         alternatives according to use of high and low regs.
1677         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1678         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1679         optimizing for size on Thumb-2.
1680
1681 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1682
1683         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1684
1685 2010-04-15  Richard Guenther  <rguenther@suse.de>
1686
1687         * tree-ssa-structalias.c (struct variable_info): Add
1688         is_fn_info flag.
1689         (new_var_info): Initialize it.
1690         (dump_constraints): Support printing last added constraints.
1691         (debug_constraints): Adjust.
1692         (dump_constraint_graph): Likewise.
1693         (make_heapvar_for): Check for NULL cfun.
1694         (get_function_part_constraint): New function.
1695         (get_fi_for_callee): Likewise.
1696         (find_func_aliases): Properly implement IPA PTA constraints.
1697         (process_ipa_clobber): New function.
1698         (find_func_clobbers): Likewise.
1699         (insert_into_field_list_sorted): Remove.
1700         (create_function_info_for): Properly allocate vars for IPA mode.
1701         Do not use insert_into_field_list_sorted.
1702         (create_variable_info_for): Properly generate constraints for
1703         global vars in IPA mode.
1704         (dump_solution_for_var): Always dump the solution.
1705         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1706         (find_what_var_points_to): Adjust.
1707         (pt_solution_set): Change.
1708         (pt_solution_ior_into): New function.
1709         (pt_solution_empty_p): Export.
1710         (pt_solution_includes_global): Adjust.
1711         (pt_solution_includes_1): Likewise.
1712         (pt_solutions_intersect_1): Likewise.
1713         (dump_sa_points_to_info): Check some invariants.
1714         (solve_constraints): Move constraint dumping ...
1715         (compute_points_to_sets): ... here.
1716         (ipa_pta_execute): ... and here.
1717         (compute_may_aliases): Do not re-compute points-to info
1718         locally if IPA info is available.
1719         (ipa_escaped_pt): New global var.
1720         (ipa_pta_execute): Properly implement IPA PTA.
1721         * tree-into-ssa.c (dump_decl_set): Support dumping
1722         decls not in referenced-vars.
1723         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1724         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1725         (dump_points_to_solution): Likewise.
1726         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1727         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1728         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1729         (copy_decl_to_var): Copy DECL_PT_UID.
1730         (copy_result_decl_to_var): Likewise.
1731         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1732         (copy_node_stat): Copy it.
1733         * tree.h (DECL_PT_UID): New macro.
1734         (SET_DECL_PT_UID): Likewise.
1735         (DECL_PT_UID_SET_P): Likewise.
1736         (struct tree_decl_minimal): Add pt_uid member.
1737         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1738         (pt_solution_empty_p): Declare.
1739         (pt_solution_set): Adjust.
1740         (ipa_escaped_pt): Declare.
1741         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1742         * gimple-pretty-print.c (pp_points_to_solution): New function.
1743         (dump_gimple_call): Dump call clobber/use information.
1744         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1745         * tree-pass.h (TDF_ALIAS): New dump option.
1746         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1747         * doc/invoke.texi (-fipa-pta): Update documentation.
1748
1749 2010-04-15  Richard Guenther  <rguenther@suse.de>
1750
1751         * Makefile.in (OBJS-common): Add gimple-fold.o.
1752         (gimple-fold.o): New rule.
1753         * tree.h (maybe_fold_offset_to_reference,
1754         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1755         prototypes ...
1756         * gimple.h: ... here.
1757         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1758         may_propagate_address_into_dereference): Move prototypes ...
1759         * gimple.h: ... here.
1760         * tree-ssa-ccp.c (get_symbol_constant_value,
1761         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1762         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1763         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1764         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1765         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1766         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1767         gimplify_and_update_call_from_tree): Move ...
1768         * gimple-fold.c: ... here.  New file.
1769         (ccp_fold_builtin): Rename to ...
1770         (gimple_fold_builtin): ... this.
1771         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1772
1773 2010-04-15  Richard Guenther  <rguenther@suse.de>
1774
1775         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1776         fit_double_type, force_fit_type_double, add_double_with_sign,
1777         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1778         lrotate_double, rrotate_double, div_and_round_double): Move ...
1779         * double-int.c: ... here.
1780         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1781         add_double, neg_double, mul_double_with_sign, mul_double,
1782         lshift_double, rshift_double, lrotate_double, rrotate_double,
1783         div_and_round_double): Move prototypes ...
1784         * double-int.h: ... here.
1785
1786 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1787
1788         PR target/43742
1789         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1790         matching constraints to ensure inputs match the output.
1791
1792 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1793
1794         PR target/43742
1795         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1796         in an input-only operand.
1797
1798 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1799
1800         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1801         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1802         (double_int_negative_p): Convert to static inline function.
1803         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1804         (double_int_negative_p): Remove.
1805         * tree.h (lshift_double, rshift_double):
1806         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1807         * fold-const.c (fold_convert_const_int_from_real,
1808         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1809         (lshift_double): Change type of arith argument to bool.
1810         (rshift_double): Change type of arith argument to bool. Correct
1811         comment.
1812         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1813
1814 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1815
1816         PR target/21803
1817         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1818         at the start and end of the then/else blocks, and omit them from the
1819         conversion.
1820         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1821         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1822         (flow_find_head_matching_sequence): New function.
1823         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1824         * basic-block.h (flow_find_cross_jump,
1825         flow_find_head_matching_sequence): Declare functions.
1826
1827 2010-04-14  Jason Merrill  <jason@redhat.com>
1828
1829         PR c++/36625
1830         * c-common.c (attribute_takes_identifier_p): New fn.
1831         * c-common.h: Declare it.
1832
1833 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1834
1835         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1836         splitter condition.
1837         (*udivmod<mode>4): Ditto.
1838
1839 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         * config/i386/i386.md (maxmin_int): Rename code attribute from
1842         maxminiprefix and update all users.
1843         (maxmin_float): Ditto from maxminfprefix.
1844         (logic): Ditto from logicprefix.
1845         (absneg_mnemonic): Ditto from absnegprefix.
1846         * config/i386/mmx.md: Update all users of maxminiprefix,
1847         maxminfprefix and logicprefix for rename.
1848         * config/i386/sse.md: Ditto.
1849         * config/i386/sync.md (sync_<code><mode>): Update for
1850         logicprefix rename.
1851
1852 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1853
1854         PR 42966
1855         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1856         warnings converted to errors.
1857
1858 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1859
1860         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1861         used insn_type variable.
1862         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1863         to avoid set-but-not-used warning.
1864
1865 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1866
1867         * df-core.c (df_ref_debug): Change format string placeholder
1868         from 0x%x to %#x.
1869         * dwarf2asm.c (dw2_asm_output_data_raw,
1870         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1871         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1872         * dwarf2out.c (output_cfi, output_cfi_directive,
1873         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1874         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1875         Ditto.
1876         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1877         * print-rtl.c (print_rtx): Ditto.
1878
1879 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1880
1881         PR middle-end/42694
1882         * builtins.c (expand_builtin_pow_root): New function to expand pow
1883         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1884         series of sqrt and cbrt calls under -ffast-math.
1885         (expand_builtin_pow): Call it.
1886
1887 2010-04-14  Michael Matz  <matz@suse.de>
1888
1889         PR tree-optimization/42963
1890         * tree-cfg.c (touched_switch_bbs): New static variable.
1891         (group_case_labels_stmt): New function broken out from ...
1892         (group_case_labels): ... here, use the above.
1893         (start_recording_case_labels): Allocate touched_switch_bbs.
1894         (end_recording_case_labels): Deallocate it, call
1895         group_case_labels_stmt.
1896         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1897
1898 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1899
1900         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1901         from insn template.
1902
1903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1904
1905         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1906
1907 2010-04-13  Jan Hubicka  <jh@suse.cz>
1908
1909         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1910         of optimized out static functions.
1911         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1912         cost computation.  Also sanity check for overflows.
1913         (update_caller_keys): Update cgraph_edge_badness call; properly
1914         update fibheap and sanity check that it is up to date.
1915         (add_new_edges_to_heap): Update cgraph_edge_badness.
1916         (cgraph_decide_inlining_of_small_function): Likewise;
1917         add sanity checking that badness in heap is up to date;
1918         improve dumping of reason; Update badness of calls to the
1919         offline copy of function currently inlined; dump badness
1920         of functions not inlined because of unit growth limits.
1921
1922 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1923
1924         PR middle-end/32628
1925         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1926         because of sign-extension change when converting to sizetype here...
1927         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1928
1929         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1930         the folding to constants.  Remove redundant final conversion.
1931         (fold_binary) <associate>: Do not associate if the re-association of
1932         constants alone overflows.
1933         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1934         to the end of the list.
1935         (multiple_of_p) <COND_EXPR>: New case.
1936
1937 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1938
1939         * opt-functions.awk (opt_sanitized_name): New.
1940         (opt_enum): New.
1941         * optc-gen.awk: Use it
1942         * opth-gen.awk: Use it.
1943
1944 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1945
1946         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1947         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1948         children.  Call replace_uses_with_default_def_ssa_name to handle
1949         SSA_NAES on lhs.
1950
1951 2010-04-13  Michael Matz  <matz@suse.de>
1952
1953         PR middle-end/43730
1954         * builtins.c (expand_builtin_interclass_mathfn): Also create
1955         a register if the predicate doesn't match.
1956
1957 2010-04-13  Diego Novillo  <dnovillo@google.com>
1958
1959         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1960         * c-pch.c: Include timevar.h.
1961         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1962         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1963         * ggc-common.c: Include timevar.h.
1964         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1965         * timevar.def (TV_PCH_SAVE): Define.
1966         (TV_PCH_CPP_SAVE): Define.
1967         (TV_PCH_PTR_REALLOC): Define.
1968         (TV_PCH_PTR_SORT): Define.
1969         (TV_PCH_RESTORE): Define.
1970         (TV_PCH_CPP_RESTORE): Define.
1971
1972 2010-04-13  Michael Matz  <matz@suse.de>
1973
1974         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1975         into MINUS_EXPRs.
1976         (can_reassociate_p): New function.
1977         (break_up_subtract_bb, reassociate_bb): Use it.
1978
1979 2010-04-13  Richard Guenther  <rguenther@suse.de>
1980
1981         PR bootstrap/43737
1982         * builtins.c (c_readstr): Fix assert.
1983
1984 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1985
1986         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1987         when generating cltd insn.
1988
1989         (*ashl<mode>3_1): Remove special handling for register operand 2.
1990         (*ashlsi3_1_zext): Ditto.
1991         (*ashlhi3_1): Ditto.
1992         (*ashlhi3_1_lea): Ditto.
1993         (*ashlqi3_1): Ditto.
1994         (*ashlqi3_1_lea): Ditto.
1995         (*<shiftrt_insn><mode>3_1): Ditto.
1996         (*<shiftrt_insn>si3_1_zext): Ditto.
1997         (*<shiftrt_insn>qi3_1_slp): Ditto.
1998         (*<rotate_insn><mode>3_1): Ditto.
1999         (*<rotate_insn>si3_1_zext): Ditto.
2000         (*<rotate_insn>qi3_1_slp): Ditto.
2001
2002 2010-04-13  Richard Guenther  <rguenther@suse.de>
2003
2004         * tree-ssa-structalias.c (callused_id): Remove.
2005         (call_stmt_vars): New.
2006         (get_call_vi): Likewise.
2007         (lookup_call_use_vi): Likewise.
2008         (lookup_call_clobber_vi): Likewise.
2009         (get_call_use_vi): Likewise.
2010         (get_call_clobber_vi): Likewise.
2011         (make_transitive_closure_constraints): Likewise.
2012         (handle_const_call): Adjust to do per-call call-used handling.
2013         (handle_pure_call): Likewise.
2014         (find_what_var_points_to): Remove general callused handling.
2015         (init_base_vars): Likewise.
2016         (init_alias_vars): Initialize call_stmt_vars.
2017         (compute_points_to_sets): Process call-used and call-clobbered
2018         vars for call statements.
2019         (delete_points_to_sets): Free call_stmt_vars.
2020
2021 2010-04-13  Richard Guenther  <rguenther@suse.de>
2022
2023         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2024         Only add RW dependence for dependence distance zero.
2025         Adjust maximal vectorization factor according to dependences.
2026         Move alignment handling ...
2027         (vect_find_same_alignment_drs): ... here.  New function.
2028         (vect_analyze_data_ref_dependences): Adjust.
2029         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2030         (vect_analyze_data_refs): Adjust minimal vectorization factor
2031         according to data references.
2032         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2033         dependences before determining the vectorization factor.
2034         Analyze alignment after determining the vectorization factor.
2035         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2036         dependences before alignment.
2037         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2038         Adjust prototype.
2039         (vect_analyze_data_refs): Likewise.
2040         (MAX_VECTORIZATION_FACTOR): New define.
2041
2042 2010-04-13  Duncan Sands  <baldrick@free.fr>
2043
2044         * except.h (lang_eh_type_covers): Remove.
2045         * except.c (lang_eh_type_covers): Likewise.
2046
2047 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2048             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2049
2050         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2051         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2052         UNITS_PER_LONG where it is ABI relevant.
2053         (s390_return_addr_rtx): Likewise.
2054         (s390_back_chain_rtx): Likewise.
2055         (s390_frame_area): Likewise.
2056         (s390_frame_info): Likewise.
2057         (s390_initial_elimination_offset): Likewise.
2058         (save_gprs): Likewise.
2059         (s390_emit_prologue): Likewise.
2060         (s390_emit_epilogue): Likewise.
2061         (s390_function_arg_advance): Likewise.
2062         (s390_function_arg): Likewise.
2063         (s390_va_start): Likewise.
2064         (s390_gimplify_va_arg): Likewise.
2065         (s390_function_profiler): Likewise.
2066         (s390_optimize_prologue): Likewise.
2067         (s390_rtx_costs): Likewise.
2068         (s390_secondary_reload): Likewise.
2069         (s390_promote_function_mode): Likewise.
2070         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2071         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2072         registers available.
2073         (s390_unwind_word_mode): New function.
2074         (s390_function_value): Split 64 bit values into register pair if
2075         used as return value.
2076         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2077         function call parameters.  Handle parallels.
2078         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2079         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2080         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2081         (s390_expand_setmem): Remove unused variable src_addr.
2082         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2083         deal with 64 bit registers.
2084         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2085         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2086         (UNITS_PER_LONG): New macro.
2087         * libjava/include/s390-signal.h: Define extended ucontext
2088         structure containing the upper halfs of the 64 bit registers.
2089
2090 2010-04-13  Simon Baldwin  <simonb@google.com>
2091
2092         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2093
2094 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2095
2096         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2097         rvalue on the RHS if the LHS is of a non-renamable type.
2098         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2099
2100 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2101
2102         * gcc.c (cc1_options): Handle -iplugindir before processing
2103         the cc1 spec. Only add -iplugindir once.
2104         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2105         found.
2106         * common.opt (iplugindir): Remove `Separate' property, initialize.
2107         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2108         option.
2109         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2110         (distclean): Remove plugin dir.
2111         * doc/invoke.texi: Document -iplugindir.
2112
2113 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2114
2115         * doc/plugins.texi (Loading Plugins): Document short
2116         -fplugin=foo option.
2117         (Plugin API): Mention default_plugin_dir_name function.
2118
2119         * gcc.c (find_file_spec_function): Add new declaration.
2120         (static_spec_func): Use it for "find-file".
2121         (find_file_spec_function): Add new function.
2122         (cc1_options): Add -iplugindir option if -fplugin* options found.
2123
2124         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2125
2126         * plugin.c (add_new_plugin): Updated comment, and handle short
2127         plugin name.
2128         (default_plugin_dir_name): Added new function.
2129
2130         * common.opt (iplugindir): New option to set the plugin directory.
2131
2132 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2133
2134         * config/i386/i386.md (any_rotate): New code iterator.
2135         (rotate_insn): New code attribute.
2136         (rotate): Ditto.
2137         (SWIM124): New mode iterator.
2138         (<rotate_insn>ti3): New expander.
2139         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2140         any_rotate code iterator.
2141         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2142         using any_rotate code iterator and SWIM124 mode iterator.
2143         (ix86_rotlti3): New insn_and_split pattern.
2144         (ix86_rotrti3): Ditto.
2145         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2146         ix86_rotl{di,ti}3 patterns.
2147         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2148         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2149         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2150         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2151         code iterator and SWI mode iterator.
2152         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2153         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2154         code iterator.
2155         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2156         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2157         (bswap rotatert splitter): Add splitter.
2158         (bswap splitter): Macroize splitter using any_rotate code iterator.
2159         Add insn predicate to split only for TARGET_USE_XCHGB or when
2160         optimizing function for size.
2161
2162 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2163
2164         * config/pa/pa.c (emit_move_sequence): Remove use of
2165         deleted variable flag_argument_noalias.
2166
2167 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2168
2169         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2170         configurations.
2171         Add to unsupported targets list.
2172         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2173         sparc*-sun-solaris2.[567]* from target lists.
2174         * configure: Regenerate.
2175         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2176         removal.
2177         Remove Solaris 7 patch references.
2178         (Specific, sparc-sun-solaris2.7): Removed.
2179         (sparc-sun-solaris2*): Update Solaris 7 example.
2180         (sparc64-*-solaris2*): Likewise.
2181
2182 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2183
2184         * config.build (alpha*-dec-osf4*): Remove.
2185         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2186         of obsolete configurations.
2187         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2188         support.
2189         * config/alpha/t-osf4: Renamed to ...
2190         * config/alpha/t-osf5: ... this.
2191         * config/alpha/osf.h: Renamed to ...
2192         * config/alpha/osf5.h: ... this.
2193         Merged old osf5.h contents.
2194         Update comments.
2195         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2196         (EXTRA_SPECS): Removed.
2197         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2198         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2199         Document that.
2200
2201 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2202
2203         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2204
2205 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2206
2207         PR/43702
2208         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2209         __thiscall convention.
2210
2211 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2212
2213         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2214         orig_base.
2215         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2216
2217 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2218
2219         * function.c (assign_parms_initialize_all): Add unused attribute
2220         to fntype.
2221
2222 2010-04-12  Richard Guenther  <rguenther@suse.de>
2223
2224         * gsstruct.def (GSS_CALL): New.
2225         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2226         * gimple.h: Include tree-ssa-alias.h.
2227         (struct gimple_statement_call): New.
2228         (union gimple_statement_struct_d): Add gimple_call member.
2229         (gimple_call_reset_alias_info): Declare.
2230         (gimple_call_use_set): New function.
2231         (gimple_call_clobber_set): Likewise.
2232         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2233         * gimple.c (gimple_call_reset_alias_info): New function.
2234         (gimple_build_call_1): Call it.
2235         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2236         * tree-inline.c (remap_gimple_stmt): Likewise.
2237         (expand_call_inline): Remove callused handling.
2238         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2239         * tree-dfa.c (dump_variable): Likewise.
2240         * tree-parloops.c (parallelize_loops): Likewise.
2241         * tree-ssa.c (init_tree_ssa): Likewise.
2242         (delete_tree_ssa): Likewise.
2243         * tree-flow-inline.h (is_call_used): Remove.
2244         * tree-flow.h (struct gimple_df): Remove callused member.
2245         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2246         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2247         (ref_maybe_used_by_call_p_1): Simplify.
2248         (call_may_clobber_ref_p_1): Likewise.
2249         * tree-ssa-structalias.c (compute_points_to_sets): Set
2250         the call stmt used and clobbered sets.
2251         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2252         (find_tail_calls): Verify the tail call.
2253
2254 2010-04-12  Richard Guenther  <rguenther@suse.de>
2255
2256         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2257         single-iteration always-inline inlining.
2258         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2259         (cgraph_decide_inlining): Do not handle always-inline specially.
2260         (try_inline): Remove always-inline cycle detection special case.
2261         Do not recurse on always-inlines.
2262         (cgraph_early_inlining): Do not iterate if not optimizing.
2263         (cgraph_gate_early_inlining): remove.
2264         (pass_early_inline): Run unconditionally.
2265         (gate_cgraph_decide_inlining): New function.
2266         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2267         not inlining or optimizing.
2268         (cgraph_decide_inlining_of_small_functions): Also consider
2269         always-inline functions.
2270         (cgraph_default_inline_p): Return true for nodes which should
2271         disregard inline limits.
2272         (estimate_function_body_sizes): Assume zero size and time for
2273         nodes which are marked as disregarding inline limits.
2274         (cgraph_decide_recursive_inlining): Do not perform recursive
2275         inlining on always-inline nodes.
2276
2277 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2278
2279         PR bootstrap/43699
2280         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2281         for exprs satisfying handled_component_p.
2282
2283 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2284
2285         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2286         non-constant aggregate elements.
2287
2288         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2289         is a real initialization.
2290
2291 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2292
2293         PR c/36774
2294         * c-decl.c (start_function): Move forward check for nested function.
2295
2296 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2297
2298         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2299         * config/sh/sh.c: Include reload.h.
2300         (sh_legitimize_reload_address): New.
2301         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2302         sh_legitimize_reload_address.
2303
2304 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2305
2306         * config/sh/sh.md (*movqi_pop): New insn pattern.
2307         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2308
2309 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2310
2311         * config/i386/i386.md (any_shiftrt): New code iterator.
2312         (shiftrt_insn): New code attribute.
2313         (shiftrt): Ditto.
2314         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2315         using any_shiftrt code iterator.
2316         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2317         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2318         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2319         pattern from corresponding peephole2 patterns.
2320         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2321         using any_shiftrt code iterator.
2322         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2323         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2324         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2325         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2326         *{ashr,lshr}<mode>3_cmp_zext.
2327         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2328
2329 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2330
2331         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2332         scratch register.
2333         (*lshr<mode>3_cconly): Ditto.
2334
2335 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2336
2337         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2338         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2339         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2340         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2341         DWI mode iterator.
2342         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2343         from corresponding peephole2 patterns.
2344         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2345         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2346         and *lshrdi3_1_rex64 using SWI mode iterator.
2347         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2348         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2349         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2350         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2351         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2352         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2353         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2354         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2355         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2356         SWI mode iterator.
2357
2358 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2359
2360         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2361         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2362         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2363         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2364         DWI mode iterator.
2365         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2366         from corresponding peephole2 patterns.
2367         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2368         (ashrsi3_cvt): Rename from ashrsi3_31.
2369         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2370         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2371         and x86_64_shift_adj_3 using SWI48 mode iterator.
2372         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2373         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2374         and *ashrdi3_1_rex64 using SWI mode iterator.
2375         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2376         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2377         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2378         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2379         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2380         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2381         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2382         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2383         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2384         SWI mode iterator.
2385         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2386         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2387         x86_shift<mode>_adj_3 expanders.
2388
2389 2010-04-10  Wei Guozhi  <carrot@google.com>
2390
2391         PR target/42601
2392         * config/arm/arm.c (arm_pic_static_addr): New function.
2393         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2394         a static symbol.
2395         (arm_output_addr_const_extra): Output expression for new pattern.
2396         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2397
2398 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2399
2400         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2401         not enabled.
2402
2403         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2404         * web.c: Include "insn-config.h" and "recog.h".
2405         (union_match_dups): New function.
2406         (web_main): Call it.
2407         (union_defs): Don't try to recognize match_dups.
2408
2409         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2410         if doing so would replace the entire pattern.
2411
2412 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2413
2414         PR target/43707
2415         PR target/43709
2416         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2417         and splitter pattern.  Change splitter operand 1 predicate to
2418         nonmemory_operand.
2419
2420 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2421
2422         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2423         lattices are addresses of CONST_DECLs with the same initial value.
2424         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2425         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2426
2427 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2428             Bernd Schmidt  <bernds@codesourcery.com>
2429
2430         * loop-invariant.c (replace_uses): New static function.
2431         (move_invariant_reg): Use it to ensure we can replace the uses.
2432
2433 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2434
2435         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2436         function template.
2437         (picochip_override_options): Enable section anchors only above -O1.
2438         (picochip_reorg): Fixed a couple of build warnings.
2439
2440 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2441
2442         * configure.ac (plugin -rdynamic test): Log result.
2443         * configure: Regenerate.
2444         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2445         (RDYNAMIC_SPEC): Define.
2446         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2447
2448 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2449
2450         * configure.ac: Determine Sun ld version numbers.
2451         (comdat_group): Restrict GNU ld version checks to gld.
2452         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2453         (enable_comdat): Support --enable-comdat.
2454         * configure: Regenerate.
2455         * doc/install.texi (Configuration): Document --enable-comdat.
2456
2457 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2458
2459         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2460         * config/sol2-gld.h: ... here.
2461         * config.gcc (sparc*-*-solaris2*): Reflect this.
2462         (i[34567]86-*-solaris2*): Use it.
2463
2464 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2465
2466         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2467         setup_clocks_p.
2468         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2469
2470 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2471
2472         PR 42965
2473         * diagnostic.c (diagnostic_initialize): Initialize
2474         some_warnings_are_errors.
2475         (diagnostic_finish): New.
2476         (diagnostic_action_after_output): Call it before exiting.
2477         (diagnostic_report_diagnostic): Do not print message here. Set
2478         some_warnings_are_errors.
2479         * diagnostic.h (diagnostic_context): Delete
2480         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2481         (diagnostic_finish): Declare.
2482         * toplev.c (toplev_main): Call it before exit.
2483
2484 2010-04-09  Jason Merrill  <jason@redhat.com>
2485
2486         PR c++/42623
2487         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2488         for incomplete type.
2489
2490         PR c++/41788
2491         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2492         based on a warning flag.
2493
2494 2010-04-09  Richard Guenther  <rguenther@suse.de>
2495
2496         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2497
2498 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2499
2500         PR bootstrap/43684
2501         * varasm.c (default_assemble_visibility): Wrap vars that are
2502         set, but unused, by targets without GAS.
2503         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2504         Remove set, but unused, vars.
2505         (rs6000_legitimize_tls_address): Likewise.
2506         (altivec_expand_dst_builtin): Likewise.
2507         * config/darwin.c (machopic_classify_symbol): Likewise.
2508         (machopic_indirection_name): Likewise.
2509
2510 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2511
2512         * config/i386/i386.md (DWI): New mode iterator.
2513         (S): New mode attribute.
2514         (shift_operand): Ditto.
2515         (shift_immediate_operand): Ditto.
2516         (ashl_input_operand): Ditto.
2517         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2518         using SDWIM mode iterator.
2519         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2520         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2521         DWI mode iterator.
2522         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2523         from corresponding peephole2 patterns.
2524         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2525         and x86_64_shift_adj_1 using SWI48 mode iterator.
2526         (x86_shift<mode>_adj_2): Ditto.
2527         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2528         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2529         using SWI48 mode iterator.
2530         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2531         *ashldi3_cmp_rex64 using SWI mode iterator.
2532         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2533         *ashldi3_cconly_rex64 using SWI mode iterator.
2534         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2535         x86_shift<mode>_adj_{1,2}.
2536         (ix86_split_ashr): Ditto.
2537         (ix86_split_lshr): Ditto.
2538
2539 2010-04-09  Richard Guenther  <rguenther@suse.de>
2540
2541         * target.h (builtin_conversion): Pass in input and output types.
2542         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2543         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2544         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2545         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2546
2547         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2548         Handle AVX modes.
2549         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2550
2551 2010-04-09  Richard Guenther  <rguenther@suse.de>
2552
2553         PR target/43152
2554         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2555
2556 2010-04-09  Richard Guenther  <rguenther@suse.de>
2557
2558         * tree-vectorizer.h (struct _stmt_vec_info): Document
2559         that vectype is the type of the LHS.
2560         (supportable_widening_operation, supportable_narrowing_operation):
2561         Get both input and output vector types as arguments.
2562         (vect_is_simple_use_1): Declare.
2563         (get_same_sized_vectype): Likewise.
2564         * tree-vect-loop.c (vect_determine_vectorization_factor):
2565         Set STMT_VINFO_VECTYPE to the vector type of the def.
2566         (vectorizable_reduction): Adjust.
2567         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2568         Adjust.  Specify the output vector type.
2569         (vect_pattern_recog_1): Adjust.
2570         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2571         (vectorizable_call): Adjust.
2572         (vectorizable_conversion): Likewise.
2573         (vectorizable_operation): Likewise.
2574         (vectorizable_type_demotion): Likewise.
2575         (vectorizable_type_promotion): Likewise.
2576         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2577         the def.
2578         (vect_is_simple_use_1): New function.
2579         (supportable_widening_operation): Get both input and output
2580         vector types.
2581         (supportable_narrowing_operation): Likewise.
2582         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2583
2584 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2585
2586         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2587         __thiscall and _thiscall as predefined macros.
2588         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2589         thiscall attribute handling.
2590         (ix86_comp_type_attributes): Likewise.
2591         (ix86_function_regparm): Likewise.
2592         (ix86_return_pops_args): Likewise.
2593         (init_cumulative_args): Likewise.
2594         (find_drap_reg): Likewise.
2595         (ix86_static_chain): Likewise.
2596         (x86_this_parameter): Likewise.
2597         (x86_output_mi_thunk): Likewise.
2598         (ix86_attribute_table): Add description for thiscall attribute.
2599         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2600         * doc/extend.texi: Add documentation for thiscall.
2601
2602 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2603
2604         PR c++/28584
2605         * c.opt (Wint-to-pointer-cast): Available in C++.
2606         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2607
2608 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2609
2610         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2611         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2612         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2613         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2614         function type instead.  Reorder and simplify checks.
2615
2616         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2617
2618 2010-04-08  Jing Yu  <jingyu@google.com>
2619             Zdenek Dvorak  <ook@ucw.cz>
2620
2621         PR tree-optimization/42720
2622         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2623         loop unswitch conditions here from ...
2624         (tree_unswitch_single_loop): ... here.
2625
2626 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2627
2628         * tree-if-conv.c: Fix comments and simplify logic.
2629
2630 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2631
2632         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2633         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2634         (main_tree_if_conversion): Update call to tree_if_conversion.
2635
2636 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2637
2638         PR 42485
2639         * doc/invoke.texi (-b,-V): Delete.
2640         * doc/tm.texi: Do not mention -b.
2641         * gcc.c (display_help): Delete -b and -V.
2642         (process_command): Delete -b and -V.
2643         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2644
2645 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2646             Wolfgang Gellerich  <gellerich@de.ibm.com>
2647
2648         Implement target hook for loop unrolling
2649         * target.h (loop_unroll_adjust): Add a new target hook function.
2650         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2651         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2652         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2653         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2654         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2655         target hook.
2656         (decide_unroll_stupid): Likewise.
2657
2658 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2659
2660         PR target/43643
2661         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2662
2663 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2664
2665         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2666         (Specific, *-*-solaris2*): Likewise.
2667         Don't prefer Sun as over GNU as.
2668
2669 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2670
2671         * config/s390/s390.c (override_options): Adjust the z10
2672           defaults for max-unroll-times, max-completely-peeled-insns
2673           and max-completely-peel-times.
2674
2675 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2676
2677         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2678         instructions for z10.
2679         (s390_expand_setmem): Likewise.
2680         (s390_expand_cmpmem): Likewise.
2681
2682 2010-04-08  Richard Guenther  <rguenther@suse.de>
2683
2684         PR tree-optimization/43679
2685         * tree-ssa-pre.c (eliminate): Only propagate copies.
2686
2687 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2688
2689         PR bootstrap/43681
2690         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2691         set but not used variable warning.
2692
2693 2010-04-08  Wei Guozhi  <carrot@google.com>
2694
2695         PR target/41653
2696         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2697         (arm_size_rtx_costs): Call the new function when optimized for size.
2698
2699 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2700
2701         PR debug/43670
2702         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2703         op0 is not a MEM, just return NULL instead of assertion
2704         failure.
2705         (discover_nonconstant_array_refs): Don't walk debug stmts.
2706
2707 2010-04-08  Doug Kwan  <dougkwan@google.com>
2708
2709         * configure.ac: Recognize gold and do not use its version number
2710         to test ld features.
2711         * configure: Regenerate.
2712
2713 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2714
2715         PR middle-end/40815
2716         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2717         (negate_value): Move code to push elements to broken_up_substracts ...
2718         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2719         negative pair to plus_negates.
2720         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2721
2722 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2723
2724         * doc/install.texi (Configuration): Move description of
2725         --enable-lto, --with-libelf*, --enable-gold from Java section to
2726         general section.
2727
2728         * doc/generic.texi (Working with declarations)
2729         (Function Properties, C and C++ Trees): Fix typos.
2730         * doc/sourcebuild.texi (Top Level): Likewise.
2731
2732 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR c/18624
2735         * tree.h (DECL_READ_P): Define.
2736         (struct tree_decl_common): Add decl_read_flag.
2737         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2738         a set but not used warning.
2739         (merge_decls): Merge DECL_READ_P flag.
2740         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2741         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2742         * c-common.c (handle_used_attribute, handle_unused_attribute):
2743         Likewise.
2744         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2745         New prototypes.
2746         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2747         New functions.
2748         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2749         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2750         c_parser_binary_expression, c_parser_cast_expression,
2751         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2752         Call default_function_array_read_conversion instead of
2753         default_function_array_conversion where needed.
2754         (c_parser_unary_expression, c_parser_conditional_expression,
2755         c_parser_postfix_expression_after_primary, c_parser_initelt):
2756         Likewise.  Call mark_exp_read where needed.
2757         (c_parser_statement_after_labels, c_parser_asm_operands,
2758         c_parser_typeof_specifier, c_parser_sizeof_expression,
2759         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2760         where needed.
2761         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2762         New.
2763         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2764         (warn_unused_but_set_parameter): Default to warn_unused
2765         && extra_warnings.
2766         * doc/invoke.texi: Document -Wunused-but-set-variable and
2767         -Wunused-but-set-parameter.
2768
2769         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2770         used count variable.
2771         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2772         when operandN variables aren't used in the body of the expander
2773         or splitter.
2774         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2775         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2776         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2777         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2778         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2779         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2780         * tree.c (PROCESS_ARG): Likewise.
2781
2782 2010-04-07  Simon Baldwin  <simonb@google.com>
2783
2784         * diagnostic.h (diagnostic_override_option_index): New macro to
2785         set a diagnostic's option_index.
2786         * c-tree.h (c_cpp_error): Add warning reason argument.
2787         * opts.c (_warning_as_error_callback): New.
2788         (register_warning_as_error_callback): Store callback for
2789         warnings enabled via enable_warning_as_error.
2790         (enable_warning_as_error): Call callback, minor code tidy.
2791         * opts.h (register_warning_as_error_callback): Declare.
2792         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2793         response to -Werror=.
2794         (c_common_init_options): Register warning_as_error_callback in opts.c.
2795         * common.opt: Add -Wno-cpp option.
2796         * c-common.c (struct reason_option_codes_t): Map cpp warning
2797         reason codes to gcc option indexes.
2798         * (c_option_controlling_cpp_error): New function, lookup the gcc
2799         option index for a cpp warning reason code.
2800         * (c_cpp_error): Add warning reason argument, call
2801         c_option_controlling_cpp_error for diagnostic_override_option_index.
2802         * doc/invoke.texi: Document -Wno-cpp.
2803
2804 2010-04-07  Richard Guenther  <rguenther@suse.de>
2805
2806         * ipa-reference.c (mark_load): Use get_base_address.
2807         (mark_store): Likewise.
2808
2809         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2810         inserting GIMPLE_NOPs into the IL.
2811         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2812         Explicitly strip handled components and indirect references.
2813
2814         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2815         folding address expressions.
2816         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2817         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2818         operand_equal_p to compare decls.
2819         (ptr_deref_may_alias_decl_p): Likewise.
2820         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2821         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2822         Handle reversed comparison ops.
2823         * tree-sra.c (asm_visit_addr): Use get_base_address.
2824         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2825         * ipa-reference.c (mark_address): Use get_base_address.
2826
2827 2010-04-07  Richard Guenther  <rguenther@suse.de>
2828
2829         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2830         Propagate constants everywhere.
2831
2832 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2833
2834         PR debug/43516
2835         * tree.c (MAX_INT_CACHED_PREC): Define.
2836         (nonstandard_integer_type_cache): New array.
2837         (build_nonstandard_integer_type): Cache results for precision
2838         <= MAX_INT_CACHED_PREC.
2839
2840 2010-04-07  Richard Guenther  <rguenther@suse.de>
2841
2842         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2843         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2844         * common.opt: Likewise.
2845         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2846         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2847         (nonoverlapping_memrefs_p): Likewise.
2848         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2849         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2850         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2851         OPT_fargument_noalias_global for backward compatibility.
2852
2853 2010-04-07  Richard Guenther  <rguenther@suse.de>
2854
2855         PR tree-optimization/43270
2856         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2857         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2858         * tree-ssa-pre.c (phi_translate_1): Adjust.
2859         (fully_constant_expression): Split out vn_reference handling to ...
2860         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2861         Fold reads from constant strings.
2862         (vn_reference_lookup): Handle fully constant references.
2863         (vn_reference_lookup_pieces): Likewise.
2864         * Makefile.in (expmed.o-warn): Add -Wno-error.
2865
2866 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2867
2868         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2869
2870 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2871
2872         PR driver/41594
2873         * gcc.c: Add -static-libstdc++ to list of recognized options.
2874
2875 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2876
2877         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2878
2879 2010-04-07  Richard Guenther  <rguenther@suse.de>
2880
2881         PR middle-end/42617
2882         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2883         bases build simple mem attributes to retain points-to information.
2884
2885 2010-04-07  Richard Guenther  <rguenther@suse.de>
2886
2887         PR middle-end/42617
2888         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2889         preserve points-to related information.
2890
2891 2010-04-07  Richard Guenther  <rguenther@suse.de>
2892
2893         PR middle-end/42617
2894         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2895         discard plain indirect references.
2896         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2897         * tree.c (tree_nop_conversion): Likewise.
2898
2899 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2900
2901         PR debug/43628
2902         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2903
2904 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2905
2906         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2907         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2908
2909 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2910
2911         * tree-if-conv.c: Fix indentation and comments.
2912
2913 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2914
2915         * tree-if-conv.c: Sort static functions in topological order.
2916
2917 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * tree-if-conv.c: Fix indentation and comments.
2920
2921 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2922
2923         PR middle-end/43519
2924         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2925         lang_hooks.types.type_for_size instead of
2926         build_nonstandard_integer_type.
2927         When converting an unsigned type to signed, double its precision.
2928         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2929         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2930         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2931         use lb <= ub.
2932
2933 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         PR middle-end/43519
2936         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2937         POINTER_PLUS_EXPR for pointer types.
2938
2939 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2940
2941         PR middle-end/43519
2942         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2943         * graphite-clast-to-gimple.c: Include langhooks.h.
2944         (max_signed_precision_type): New.
2945         (max_precision_type): Takes two types as arguments.
2946         (precision_for_value): New.
2947         (precision_for_interval): New.
2948         (gcc_type_for_interval): New.
2949         (gcc_type_for_value): New.
2950         (gcc_type_for_clast_term): New.
2951         (gcc_type_for_clast_red): New.
2952         (gcc_type_for_clast_bin): New.
2953         (gcc_type_for_clast_expr): Split up into several functions.
2954         (gcc_type_for_clast_eq): Rewritten.
2955         (compute_bounds_for_level): New.
2956         (compute_type_for_level_1): New.
2957         (compute_type_for_level): New.
2958         (gcc_type_for_cloog_iv): Removed.
2959         (gcc_type_for_iv_of_clast_loop): Rewritten.
2960         (graphite_create_new_loop): Compute the lower and upper bound types
2961         with gcc_type_for_clast_expr.
2962         (graphite_create_new_loop_guard): Same.
2963         (find_cloog_iv_in_expr): Removed.
2964         (compute_cloog_iv_types_1): Removed.
2965         (compute_cloog_iv_types): Removed.
2966         (gloog): Do not call compute_cloog_iv_types.
2967         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2968         GBB_CLOOG_IV_TYPES.
2969         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2970         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2971         (GBB_CLOOG_IV_TYPES): Removed.
2972
2973 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2974
2975         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2976         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2977         (detect_commutative_reduction): Same.
2978
2979 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2982         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2983         argument.
2984         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2985         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2986         (rewrite_commutative_reductions_out_of_ssa): Same.
2987         * passes.c (execute_function_todo): Call verify_ssa for every pass
2988         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2989         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2990         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2991         with an extra argument.
2992         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2993         verify_ssa only when the extra argument is true.
2994         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2995         with an extra argument.
2996         (tree_transform_and_unroll_loop): Same.
2997
2998 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3001         for all the passes of the LNO having LOOP_CLOSED_SSA.
3002         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3003         * tree-loop-distribution.c (pass_loop_distribution): Same.
3004         * tree-pass.h (TODO_verify_loops): Removed.
3005         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3006         (pass_lim): Same.
3007         (pass_tree_unswitch): Same.
3008         (pass_predcom): Same.
3009         (pass_vectorize): Same.
3010         (pass_linear_transform): Same.
3011         (pass_graphite_transforms): Same.
3012         (pass_iv_canon): Same.
3013         (pass_complete_unroll): Same.
3014         (pass_complete_unrolli): Same.
3015         (pass_parallelize_loops): Same.
3016         (pass_loop_prefetch): Same.
3017         (pass_iv_optimize): Same.
3018
3019 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3020
3021         PR middle-end/32824
3022         * passes.c (init_optimization_passes): Move pass_lim before
3023         pass_copy_prop and pass_dce_loop.
3024
3025 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3026
3027         PR target/43667
3028         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3029         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3030         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3031         MULTI_* defines for 4 argument vpermil2p* builtins.
3032
3033 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3034
3035         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3036         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3037         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3038         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3039         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3040         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3041         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3042         Use x86_maybe_negate_const_int to output insn mnemonic.
3043         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3044         check from instruction predicate.  Update comments.
3045         * config/i386/sync.md (sync_add<mode>): Use
3046         x86_maybe_negate_const_int to output insn mnemonic.
3047
3048 2010-04-06  Jan Hubicka  <jh@suse.cz>
3049
3050         PR tree-optimization/42906
3051         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3052         IGNORE_SELF argument.  Set visited_control_parents for fully
3053         processed BBs.
3054         (find_obviously_necessary_stmts): Update call of
3055         mark_control_dependent_edges_necessary.
3056         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3057
3058 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3059
3060         * config/i386/i386.md: Remove comment about 'e' and 'E'
3061         operand modifier.
3062
3063 2010-04-06  Richard Guenther  <rguenther@suse.de>
3064
3065         PR tree-optimization/43627
3066         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3067         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3068         not varying.
3069
3070 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3071
3072         * BASE-VER: Change to 4.6.0.
3073
3074         PR target/43638
3075         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3076         handling.
3077
3078 2010-04-06  Richard Guenther  <rguenther@suse.de>
3079
3080         PR middle-end/43661
3081         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3082
3083 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3084
3085         * doc/invoke.texi (Optimize Options): Document that LTO
3086         won't remove object access purely due to incompatible
3087         declarations.
3088
3089 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3090
3091         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3092         Initialize variable.
3093
3094 2010-04-03  Richard Guenther  <rguenther@suse.de>
3095
3096         PR middle-end/42509
3097         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3098         require a non-NULL MEM_OFFSET.
3099
3100 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3101
3102         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3103         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3104         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3105         config/alpha/predicates.md, config/arm/arm.md,
3106         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3107         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3108         config/darwin9.h, config/darwin.c, config/darwin.h,
3109         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3110         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3111         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3112         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3113         config/mips/mips.md, config/mn10300/mn10300.c,
3114         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3115         config/rs6000/aix.h, config/rs6000/dfp.md,
3116         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3117         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3118         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3119         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3120         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3121         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3122         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3123         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3124         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3125         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3126         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3127         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3128         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3129         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3130         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3131         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3132         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3133         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3134         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3135         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3136         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3137         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3138         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3139         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3140         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3141         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3142         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3143         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3144         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3145         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3146         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3147         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3148         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3149         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3150         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3151         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3152
3153 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3154
3155         PR other/43620
3156         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3157         * aclocal.m4: Regenerate.
3158
3159 2010-04-02  Richard Guenther  <rguenther@suse.de>
3160
3161         PR tree-optimization/43629
3162         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3163         if we have seen a constant value.
3164
3165 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3166
3167         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3168
3169 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3170
3171         PR target/43469
3172         * arm.c (legitimize_tls_address): Adjust call to
3173         gen_tls_load_dot_plus_four.
3174         (arm_note_pic_base): New function.
3175         (arm_cannot_copy_insn_p): Use it.
3176         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3177         constraint.
3178
3179 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3180
3181         PR bootstrap/43531
3182
3183         Revert:
3184         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3185
3186         * Makefile.in ($(out_object_file)): Depend on
3187         gt-$(basename $(notdir $(out_file))).h.
3188
3189 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3190
3191         * config.gcc (lm32-*-rtems*): Add t-lm32.
3192
3193 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3194
3195         * config.gcc: Add lm32-*-rtems*.
3196         * config/lm32/rtems.h: New file.
3197
3198 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3199
3200         PR target/42609
3201         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3202
3203 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3204
3205         * dwarf2out.c (output_compilation_unit_header): For
3206         -gdwarf-4 use version 4 instead of version 3.
3207         (output_line_info): For version 4 and above emit additional
3208         maximum ops per insn header field.
3209         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3210
3211         * dwarf2out.c (is_c_family, is_java): Remove.
3212         (lower_bound_default): New function.
3213         (add_bound_info, gen_descr_array_type_die): Use it.
3214
3215 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3216
3217         PR debug/43325
3218         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3219         re-declaration when it happens in a function.
3220
3221 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3222
3223         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3224         (cgraph_remove_function_insertion_hook): Same.
3225         (cgraph_call_function_insertion_hooks): Same.
3226
3227 2010-04-01  Richard Guenther  <rguenther@suse.de>
3228
3229         PR middle-end/43614
3230         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3231         and TREE_THIS_VOLATILE.
3232         (copy_ref_info): Likewise.
3233         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3234         * tree.c (build6_stat): Ignore side-effects of all but arg5
3235         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3236         TARGET_MEM_REF.
3237
3238 2010-04-01  Richard Guenther  <rguenther@suse.de>
3239
3240         PR tree-optimization/43607
3241         * ipa-type-escape.c (check_call): Do not access non-existing
3242         arguments.
3243
3244 2010-04-01  Richard Guenther  <rguenther@suse.de>
3245
3246         PR middle-end/43602
3247         Revert
3248         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3249                     Jack Howarth <howarth@bromo.med.uc.edu>
3250
3251         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3252         variables TLS.
3253
3254 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3255
3256         * doc/install.texi (Prerequisites): Document libelf usability on
3257         IRIX 5/6 and Solaris 2.
3258         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3259         Update GNU as, GNU ld requirements.
3260         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3261         Document Sun Studio compiler download.
3262         Update and simplify as, ld recommendations.
3263         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3264
3265 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3266
3267         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3268         with_tune_32 to pentium4.
3269
3270 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3271
3272         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3273
3274 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3275
3276         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3277         obsoletion, removal.
3278         Update IDO URL.
3279         Document GNU as requirement.
3280         Update configure requirements.
3281         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3282         Recomment IRIX 6.5.18+.
3283         Document IDF/IDL requirement.
3284         Document GNU as requirement.
3285         Document GNU ld bootstrap failure.
3286         Remove freeware.sgi.com reference.
3287
3288 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3289
3290         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3291         UNIX V4.0, V5.0 obsoletion, removal.
3292         Remove --with-gc=simple reference.
3293         Update VM requirements during bootstrap.
3294         Remove -oldas bootstrap description.
3295         Update binutils reference.
3296         Remove comparison failure note.
3297
3298 2010-03-31  Richard Guenther  <rguenther@suse.de>
3299             Zdenek Dvorak  <ook@ucw.cz>
3300             Sebastian Pop  <sebastian.pop@amd.com>
3301
3302         PR middle-end/43464
3303         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3304         with multiple arguments.
3305         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3306
3307 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3308
3309         * graphite-dependences.c (print_pddr): Call print_pdr with an
3310         extra argument.
3311         * graphite-poly.c (debug_pdr): Add an extra argument for the
3312         verbosity level.
3313         (print_pdr): Same.
3314         (print_pbb_domain): Same.
3315         (print_pbb): Same.
3316         (print_scop_context): Same.
3317         (print_scop): Same.
3318         (print_cloog): Same.
3319         (debug_pbb_domain): Same.
3320         (debug_pbb): Same.
3321         (print_pdrs): Same.
3322         (debug_pdrs): Same.
3323         (debug_scop_context): Same.
3324         (debug_scop): Same.
3325         (debug_cloog): Same.
3326         (print_scop_params): Same.
3327         (debug_scop_params): Same.
3328         (print_iteration_domain): Same.
3329         (print_iteration_domains): Same.
3330         (debug_iteration_domain): Same.
3331         (debug_iteration_domains): Same.
3332         (print_scattering_function): Same.
3333         (print_scattering_functions): Same.
3334         (debug_scattering_function): Same.
3335         (debug_scattering_functions): Same.
3336         * graphite-poly.h (debug_pdr): Update declaration.
3337         (print_pdr): Same.
3338         (print_pbb_domain): Same.
3339         (print_pbb): Same.
3340         (print_scop_context): Same.
3341         (print_scop): Same.
3342         (print_cloog): Same.
3343         (debug_pbb_domain): Same.
3344         (debug_pbb): Same.
3345         (print_pdrs): Same.
3346         (debug_pdrs): Same.
3347         (debug_scop_context): Same.
3348         (debug_scop): Same.
3349         (debug_cloog): Same.
3350         (print_scop_params): Same.
3351         (debug_scop_params): Same.
3352         (print_iteration_domain): Same.
3353         (print_iteration_domains): Same.
3354         (debug_iteration_domain): Same.
3355         (debug_iteration_domains): Same.
3356         (print_scattering_function): Same.
3357         (print_scattering_functions): Same.
3358         (debug_scattering_function): Same.
3359         (debug_scattering_functions): Same.
3360
3361 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3362
3363         * graphite-poly.c (print_scattering_function_1): New.
3364         (print_scattering_function): Call it.
3365         (print_scop_params): Remove spaces at the end of lines.
3366         (print_cloog): New.
3367         (debug_cloog): New.
3368         * graphite-poly.h (print_cloog): Declared.
3369         (debug_cloog): Declared.
3370
3371 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3372
3373         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3374         in loop->header.
3375         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3376         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3377         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3378         to switch between adding the IV bump in loop->latch or in loop->header.
3379
3380 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3381
3382         * graphite-poly.c (print_scattering_function): Pretty print following
3383         the scoplib format.
3384         (print_pdr): Same.
3385         (print_pbb_domain): Same.
3386         (dump_gbb_cases): Same.
3387         (dump_gbb_conditions): Same.
3388         (print_pdrs): Same.
3389         (print_pbb): Same.
3390         (print_scop_params): Same.
3391         (print_scop_context): Same.
3392         (print_scop): Same.
3393         (print_pbb_body): New.
3394         (lst_indent_to): New.
3395         (print_lst): Start new lines with a #.
3396         * graphite-poly.h (pbb_bb): New.
3397         (pbb_index): Use pbb_bb.
3398         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3399         disjuncts.
3400         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3401
3402 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3403
3404         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3405         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3406         and 0 instead of 1 for dw_val_class_flag.
3407         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3408         dw_val_class_range_list, dw_val_class_loc_list,
3409         dw_val_class_lineptr and dw_val_class_macptr, use
3410         DW_FORM_flag_present for dw_val_class_flag and
3411         DW_FORM_exprloc for dw_val_class_loc.
3412         (output_die): For -gdwarf-4 print dw_val_class_loc
3413         size as uleb128 instead of 1 or 2 bytes and don't print
3414         anything for dw_val_class_flag.
3415
3416         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3417         instead of cselib_lookup following by tweaking locs->setting_insn.
3418
3419         PR bootstrap/43596
3420         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3421         even before returning from label, setjmp call or volatile asm
3422         handling.
3423
3424 2010-03-31  Richard Guenther  <rguenther@suse.de>
3425
3426         PR middle-end/43600
3427         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3428         temporary data on stack.
3429
3430 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3431
3432         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3433         (PUSHSECTION_ASM_OP): Remove.
3434         (POPSECTION_ASM_OP): Remove.
3435         (PUSHSECTION_FORMAT): Remove.
3436         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3437         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3438         * config/sol2.c (solaris_output_init_fini): Use it.
3439
3440 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3441
3442         PR 43574
3443         * opt-functions.awk (var_type_struct): Use signed char type
3444         for simple variables.
3445
3446 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3447
3448         * config/sol2.c: Include output.h.
3449         (solaris_assemble_visibility): New function.
3450         * config/t-sol2 (sol2.o): Add output.h dependency.
3451         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3452         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3453         Redefine.
3454
3455 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3456
3457         PR target/43580
3458         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3459         V2SImode or XFmode on PRE_DEC.
3460
3461         PR debug/43557
3462         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3463         BLKmode.
3464
3465 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3466
3467         PR 43562
3468         * reload.h (caller_save_initialized_p): Declare.
3469         * toplev.c (backend_init_target): Don't call
3470         init_caller_save but set caller_save_initialized_p to false.
3471         * caller-save.c (caller_save_initialized_p): Define.
3472         (init_caller_save): Check caller_save_initialized_p.
3473         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3474
3475 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3476
3477         PR target/39048
3478         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3479         and soft-fp/t-softfp to tmake_file.
3480         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3481         (LIBGCC2_TF_CEXT): Define.
3482         (TF_SIZE): Define.
3483
3484 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3485
3486         PR debug/42977
3487         * cselib.c (n_useless_values): Document handling of debug locs.
3488         (n_useless_debug_values, n_debug_values): New variables.
3489         (new_elt_loc_list): Don't add to debug values, keep count.
3490         (promote_debug_loc): New.
3491         (cselib_reset_table): Zero new variables.
3492         (entry_and_rtx_equal_p): Promote debug locs.
3493         (discard_useless_locs): Increment n_useless_debug_values for
3494         debug values.
3495         (remove_useless_values): Adjust n_useless_values and n_debug_values
3496         with n_useless_debug_values.
3497         (add_mem_for_addr): Promote debug locs.
3498         (cselib_lookup_mem): Likewise.
3499         (cselib_lookup_addr): Renamed to...
3500         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3501         (cselib_log_lookup): ... this.  Turn into...
3502         (cselib_lookup_addr): ... new wrapper.
3503         (cselib_lookup_from_insn): New.
3504         (cselib_invalidate_regno): Increment n_useless_debug_values for
3505         debug values.
3506         (cselib_invalidate_mem): Likewise.
3507         (cselib_process_insn): Take n_deleted and n_debug_values into
3508         account to guard remove_useless_value call.
3509         (cselib_finish): Zero n_useless_debug_values.
3510         * cselib.h (cselib_lookup_from_insn): Declare.
3511         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3512         (sched_analyze_2): Likewise.
3513
3514 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3515
3516         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3517         functions.
3518         (adjust_mems): Replace narrowing SUBREG of expression containing
3519         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3520         with operations in the narrower mode.
3521
3522         PR debug/43593
3523         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3524         regs_invalidated_by_call instead all call_used_reg_set registers.
3525
3526 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3527
3528         PR middle-end/43430
3529         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3530         pointer comparisons with types_compatible_p.
3531         * tree-vect-stmts.c (vectorizable_call): Same.
3532         (vectorizable_condition): Same.
3533
3534 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3535
3536         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3537         stack check if the mask would be zero.
3538
3539 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3540             Jack Howarth <howarth@bromo.med.uc.edu>
3541
3542         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3543         variables TLS.
3544
3545 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3546
3547         PR other/25232
3548         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3549         and __unordtf2.
3550         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3551         Include ___unordxf2 and ___unordtf2.
3552         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3553         GCC_4.4.0 here.
3554
3555 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3556
3557         * config/lm32/t-lm32: New file.
3558         * config.gcc: Use the above file when targetting lm32.
3559
3560 2010-03-28  Duncan Sands  <baldrick@free.fr>
3561
3562         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3563
3564 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         PR middle-end/43431
3567         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3568         Improve vectorization cost model diagnostic.
3569
3570 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3571
3572         PR middle-end/43436
3573         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3574         compute_data_dependences_for_loop returns false, early exit
3575         and output an extra diagnostic for the failed data reference
3576         analysis.
3577
3578 2010-03-29  Richard Guenther  <rguenther@suse.de>
3579
3580         PR tree-optimization/43560
3581         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3582         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3583
3584 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3585
3586         PR 43564
3587         * toplev.c (process_options): Set optimization_default_node
3588         and optimization_current_node.
3589         * opts.c (decode_options): Don't set optimization_default_node
3590         and optimization_current_node.
3591
3592 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3593
3594         * config/rtems.h: Abandon -qrtems_debug.
3595
3596 2010-03-28  Jan Hubicka  <jh@suse.cz>
3597
3598         PR tree-optimization/43505
3599         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3600         map should not be copied.
3601
3602 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3603
3604         PR middle-end/41674
3605         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3606         cdtors, set DECL_PRESERVE_P.
3607         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3608         should be preseved.
3609
3610 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3611
3612         PR tree-optimization/43528
3613         * stor-layout.c (place_field): Check that constant fits into
3614         unsigned HWI when skipping calculation of MS bitfield layout.
3615
3616 2010-03-27  Jan Hubicka  <jh@suse.cz>
3617
3618         PR middle-end/43391
3619         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3620         notice_global_symbol work.
3621
3622 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3623
3624         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3625         instead of dwarf2out_decl.
3626         (struct var_loc_node): Remove section_label field.
3627         (dwarf2out_function_decl): New function.
3628         (dwarf2out_var_location): Don't set section_label field.
3629         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3630
3631 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3632
3633         PR tree-optimization/43544
3634         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3635         First argument for builtin vectorized function hook is now a
3636         tree to be able to distinguish between machine specific and
3637         standard builtins.
3638         * targhooks.c (default_builtin_vectorized_function): Ditto.
3639         * targhooks.h (default_builtin_vectorized_function): Ditto.
3640         * target.h (struct gcc_target): Ditto.
3641         * tree-vect-stmts.c (vectorizable_function): Ditto.
3642         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3643         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3644         Ditto.
3645
3646 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3647
3648         PR c/43381
3649         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3650         nested binding iff it is a FUNCTION_DECL.
3651         (store_parm_decls_newstyle): Pass nested=true to bind for
3652         FUNCTION_DECLs amongst parameters.
3653
3654 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3655
3656         * var-tracking.c (vt_expand_loc_callback): Don't run
3657         cselib_expand_value_rtx_cb in dummy mode if
3658         cselib_dummy_expand_value_rtx_cb returned false.
3659
3660         * var-tracking.c (emit_note_insn_var_location): For one part
3661         notes with offset 0, don't add EXPR_LIST around the location.
3662         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3663         add_location_or_const_value_attribute): Adjust for that change.
3664
3665         PR debug/43540
3666         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3667         into first operand and location into second.
3668         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3669         dw_cfi_oprnd_loc for DW_CFA_expression.
3670         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3671         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3672         assume first argument is regnum and second argument is location.
3673
3674 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3675
3676         PR target/42113
3677         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3678         of scratch register to DImode.  Split to DImode comparison operator.
3679         Use SImode subreg of scratch register in the multiplication.
3680         (*cmp_sadd_sidi): Ditto.
3681         (*cmp_ssub_si): Ditto.
3682         (*cmp_ssub_sidi): Ditto.
3683
3684 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3685
3686         PR target/43524
3687         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3688         Remove invalid assert and wrong comment.
3689
3690 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR debug/43516
3693         * flags.h (final_insns_dump_p): New extern.
3694         * final.c (final_insns_dump_p): New variable.
3695         (rest_of_clean_state): Set it before -fdump-final-insns=
3696         dumping, clear afterwards.
3697         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3698         MEM_ALIAS_SET on MEMs.
3699
3700 2010-03-26  David S. Miller  <davem@davemloft.net>
3701
3702         * configure.ac: Fix sparc GOTDATA_OP bug check.
3703         * configure: Rebuild.
3704
3705 2010-03-26  Alan Modra  <amodra@gmail.com>
3706
3707         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3708
3709 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3710
3711         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3712         TLS_SECTION_ASM_FLAG.
3713
3714 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3715
3716         PR bootstrap/43511
3717         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3718         Clear first_function_block_is_cold.
3719
3720         PR c/43385
3721         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3722         argument if the argument is truth_value_p.
3723
3724 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3725
3726         * config/rs6000/constraints.md: Update copyright year for my changes.
3727
3728         PR target/43484
3729         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3730         used in reg+reg addressing, swap registers.
3731
3732 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3733
3734         PR debug/43293
3735         * target.h (struct gcc_target): Add code_end hook.
3736         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3737         if not yet defined.
3738         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3739         * toplev.c (compile_file): Call targetm.asm_out.code_end
3740         hook before unwind info/debug info output.
3741         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3742         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3743         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3744         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3745         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3746         * config/i386/i386.c (ix86_file_end): Renamed to...
3747         (ix86_code_end): ... this.  Make static.  Don't call
3748         file_end_indicate_exec_stack.  Emit unwind info using
3749         final_start_function/final_end_function.
3750         (darwin_x86_file_end): Remove.
3751         (TARGET_ASM_CODE_END): Define.
3752         * config/i386/i386.h (TARGET_ASM_FILE_END,
3753         NEED_INDICATE_EXEC_STACK): Don't define.
3754         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3755         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3756         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3757         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3758
3759         PR target/43498
3760         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3761         at the beginning and final_end_function at the end.
3762         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3763
3764 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3765
3766         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3767         and Sun as TLS syntax.
3768         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3769         * configure: Regenerate.
3770         * config.in: Regenerate.
3771         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3772         (default_elf_asm_named_section): Use it.
3773         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3774         (i386_output_dwarf_dtprel): Likewise.
3775         (output_addr_const_extra): Likewise.
3776         (output_pic_addr_const): Lowercase @GOTTPOFF.
3777         (output_addr_const_extra): Likewise.
3778         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3779         (output_addr_const_extra): Likewise.
3780         (output_pic_addr_const): Lowercase @INDNTPOFF.
3781         (output_addr_const_extra): Likewise.
3782         (output_pic_addr_const): Lowercase @NTPOFF.
3783         (output_addr_const_extra): Likewise.
3784         (output_pic_addr_const): Lowercase @TPOFF.
3785         (output_addr_const_extra): Likewise.
3786         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3787         (*tls_global_dynamic_64): Likewise.
3788         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3789         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3790
3791         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3792         (ASM_OUTPUT_TLS_COMMON): Use it.
3793         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3794
3795         PR target/38118
3796         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3797         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3798         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3799         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3800         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3801         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3802
3803 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3804
3805         * config/i386/i386.c (override_options): Don't accept
3806         -mtls-dialect=sun any longer.
3807         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3808         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3809         (*tls_local_dynamic_base_32_sun): Likewise.
3810         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3811
3812 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3813
3814         PR debug/43508
3815         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3816         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3817
3818         PR debug/43479
3819         * ira.c (adjust_cleared_regs): New function.
3820         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3821
3822         PR debug/19192
3823         PR debug/43479
3824         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3825         from gimple_block.
3826         * expr.c (expand_expr_real): Restore previous
3827         curr_insn_source_location and curr_insn_block after
3828         expand_expr_real_1 call.
3829         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3830         instead of expand_expr_real_1.
3831
3832 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3833
3834         PR rtl-optimization/43413
3835         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3836         hard regs too.
3837
3838 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3839
3840         PR target/43348
3841         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3842         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3843
3844 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3845
3846         * config/i386/i386.c (ix86_target_string): Add -mfma.
3847         Fix a typo in comment.
3848
3849 2010-03-22  Mike Stump  <mikestump@comcast.net>
3850
3851         PR target/23071
3852         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3853         Don't overly align based upon packed packed fields.
3854
3855 2010-03-22  Jason Merrill  <jason@redhat.com>
3856
3857         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3858         Use () rather than [], and move before the element type.
3859
3860 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3861
3862         * doc/configfiles.texi (Configuration Files): Removed
3863         fixinc/Makefile*, intl/Makefile.*.
3864         * doc/makefile.texi: Fixed markup. Abstract from version
3865         control system used.
3866         (Makefile): Removed obsolete gcc/java/parse.y example.
3867         * doc/sourcebuild.texi: Likewise.
3868         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3869         libgomp, libssp.  Removed fastjar.
3870         (Miscellaneous Docs): Clarify location.
3871         Added COPYING3, COPYING3.LIB.
3872         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3873
3874 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3875
3876         PR target/38085
3877         * config/i386/i386.c (x86_function_profiler)
3878         [!NO_PROFILE_COUNTERS]: Fix typo.
3879         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3880         instead of callq.
3881
3882 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3883             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3884
3885         * doc/sourcebuild.texi (Test Directives): Split into six
3886         subsections, with most of the current text in new subsections
3887         Directives, Selectors, and Final Actions.
3888         (Directives): Split list of test directives into multiple
3889         subsubsections.
3890         (Selectors): Describe use and syntax of selectors.
3891         (Effective-Target Keywords): Describe all existing keywords.
3892         (Add Options): Describe features for dg-add-options.
3893         (Require Support): Describe variants of dg-require-support.
3894         (Final Actions): Describe commands to use in dg-final.
3895
3896 2010-03-22  Michael Matz  <matz@suse.de>
3897
3898         PR middle-end/43475
3899         * recog.c (validate_replace_rtx_group): Replace also in
3900         REG_EQUAL and REG_EQUIV notes.
3901
3902 2010-03-22  Richard Guenther  <rguenther@suse.de>
3903
3904         PR tree-optimization/43390
3905         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3906         sure vector extracts are type correct.
3907
3908 2010-03-22  Richard Guenther  <rguenther@suse.de>
3909
3910         PR middle-end/40106
3911         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3912         x * sqrt (x) even when optimizing for size if the target
3913         has native support for sqrt.
3914
3915 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3916
3917         * varasm.c (make_decl_rtl_for_debug): Also clear
3918         flag_mudflap for the duration of make_decl_rtl call.
3919
3920         PR debug/43443
3921         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3922         locs from preserved VALUEs.
3923
3924 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3925
3926         PR middle-end/42718
3927         * pa.md (movmemsi): Set align to one if zero.
3928         (movmemdi): Likewise.
3929
3930 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3931
3932         PR target/42321
3933         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3934         with their corresponding prologue pushes.
3935
3936 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3937
3938         PR target/43156
3939         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3940         at the begining or end.
3941         (spu_expand_epilogue): Likewise.
3942
3943 2010-03-20  Richard Guenther  <rguenther@suse.de>
3944
3945         PR rtl-optimization/43438
3946         * combine.c (make_extraction): Properly zero-/sign-extend an
3947         extraction of the low part of a CONST_INT.  Also handle
3948         CONST_DOUBLE.
3949
3950 2010-03-19  Mike Stump  <mikestump@comcast.net>
3951
3952         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3953         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3954         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3955
3956 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3957
3958         PR c/43211
3959         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3960         an error.
3961
3962 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3963
3964         PR rtl-optimization/42258
3965         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3966         use that may match DEF.
3967
3968         PR target/40697
3969         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3970         the cost of loading the constant rather than assuming
3971         COSTS_N_INSNS (1).
3972         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3973         outer code is AND, do the same tests as the andsi3 expander and
3974         return COSTS_N_INSNS (1) if and is cheap.
3975
3976         * optabs.c (avoid_expensive_constant): Fix formatting.
3977
3978 2010-03-19  Michael Matz  <matz@suse.de>
3979
3980         PR c++/43116
3981         * attribs.c (decl_attributes): When rebuilding a function pointer
3982         type use the same qualifiers as the original pointer type.
3983
3984 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3985
3986         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3987         and is_gimple_ip_invariant_address.
3988
3989 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3990
3991         Revert
3992         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3993
3994         * config/arm/arm.c (arm_override_options): Turn off
3995         flag_dwarf2_cfi_asm for AAPCS variants.
3996
3997 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3998
3999         PR target/43399
4000         * config/arm/arm.c (emit_multi_reg_push): Update comments.
4001         Use PRE_MODIFY instead of PRE_DEC.
4002         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4003         (vfp_emit_fstmd): Likewise.
4004
4005 2010-03-19  Michael Matz  <matz@suse.de>
4006
4007         PR target/43305
4008         * builtins.c (expand_builtin_interclass_mathfn,
4009         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4010         if that fails.
4011
4012 2010-03-19  Richard Guenther  <rguenther@suse.de>
4013
4014         PR tree-optimization/43415
4015         * tree-ssa-pre.c (phi_translate): Split out worker to ...
4016         (phi_translate_1): ... this.
4017         (phi_translate): Move all caching here.  Cache all NARY
4018         and REFERENCE translations.
4019
4020 2010-03-19  David S. Miller  <davem@davemloft.net>
4021
4022         With help from Eric Botcazou.
4023         * config/sparc/sparc.c: Include dwarf2out.h.
4024         (emit_pic_helper): Delete.
4025         (pic_helper_symbol_name): Delete.
4026         (pic_helper_emitted_p): Delete.
4027         (pic_helper_needed): New.