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2010-05-01 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-01  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43949
4         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
5         types.
6         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
7
8 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
9
10         * rtl.h (CONST_DOUBLE_P): Define.
11         (rtx_to_double_int): Declare.
12         * emit-rtl.c (rtx_to_double_int): New function.
13         * dwarf2out.c (insert_double): New function.
14         (loc_descriptor, add_const_value_attribute): Clean up, use
15         rtx_to_double_int and insert_double functions.
16
17 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
18
19         * doc/extend.texi (Inline): Add missing return keyword to examples.
20         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
21         "command-line".
22
23 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
24
25         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
26         the variable part of the offset as well.  Use highest_pow2_factor for
27         all alignment checks.
28
29 2010-04-30  Richard Guenther  <rguenther@suse.de>
30
31         PR tree-optimization/43879
32         * tree-ssa-structalias.c (type_could_have_pointers): Functions
33         can have pointers.
34
35 2010-04-30  Jan Hubicka  <jh@suse.cz>
36
37         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
38         varpool.
39         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
40
41 2010-04-30  Jan Hubicka  <jh@suse.cz>
42
43         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
44         New.
45         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
46         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
47         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
48         cgraph_node_set_needs_ltrans_p): Remove.
49
50 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
51
52         * sdbout.c: Include vec.h, do not include varray.h.
53         (deferred_global_decls, sdbout_global_decl,
54         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
55         * toplev.c: Do not include varray.h.
56         (dump_memory_report): Do not dump VARRAY statistics.
57         * gengtype.c (open_base_file): Ignore varray.h.
58         * Makefile.in: Update for abovementioned changes.
59         Remove all traces of varray.c and varray.h.
60         * varray.c: Remove file.
61         * varray.h: Remove file.
62
63 2010-04-30  Jan Hubicka  <jh@suse.cz>
64
65         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
66         references.
67
68 2010-04-30  Jan Hubicka  <jh@suse.cz>
69
70         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
71         needed.
72
73 2010-04-30  Richard Guenther  <rguenther@suse.de>
74
75         * tree-ssa-structalias.c (get_constraint_for_1): Generate
76         constraints for CONSTRUCTOR.
77
78 2010-04-30  Richard Guenther  <rguenther@suse.de>
79
80         PR lto/43946
81         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
82         first after all lowering passes.
83
84 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
85
86         * toplev.c: Include varray.h for statistics dumping.
87         * tree.h: Do not declare varray_head_tag.
88         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
89         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
90         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
91         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
92         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
93         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
94         c-common.c, c-common.h, reg-stack.c, basic-block.h,
95         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
96         include varray.h.
97         * Makefile.in: Update for abovementioned changes.
98
99 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
100
101         PR debug/43942
102         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
103
104 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
105
106         * config/picochip/picochip.c (picochip_legitimize_address): Define.
107         Use this function to do machine-specific conversion.
108         (picochip_legitimize_reload_address): Likewise.
109         (picochip_legitimate_address_p): Check valid base register only if
110         strict.
111         (picochip_check_conditional_copy): Check for modw only if opnd is
112         register.
113         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
114         to call the function in c.
115         * config/picochip/picochip-protos.h
116         (picochip_legitimize_reload_address): Define.
117         * config/picochip/picochip.md (supported_compare1): Define.
118
119 2010-04-30  Jan Hubicka  <jh@suse.cz>
120
121         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
122         (cgraph_global_info): Remove inlined.
123         (LTO_cgraph_tag_names): Remove.
124         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
125         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
126         simplify cgraph tags and document.
127         (lto_output_node): Use only LTO_cgraph_unavail_node and
128         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
129         for_functions_valid, global info, process and output
130         flags.
131         (input_overwrite_node): Initialize estimated stack size and
132         estimated growth.
133         Do not read flags we no longer store.
134         (input_node): Likewise do not read info no longer stored.
135         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
136         flag.
137
138 2010-04-30  Richard Guenther  <rguenther@suse.de>
139
140         PR tree-optimization/43879
141         * tree-ssa-structalias.c (get_constraint_for_1): Properly
142         handle non-zero initializers.
143
144 2010-04-30  Richard Guenther  <rguenther@suse.de>
145
146         * builtins.c (fold_builtin_1): Delete free (0).
147
148 2010-04-29  Jan Hubicka  <jh@suse.cz>
149
150         * gengtype.c (open_base_files): Add lto-streamer.h
151         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
152         (pass_ipa_cp): GGC collect.
153         * toplev. (compile_file): Do not output symbols.
154         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
155         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
156         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
157         * lto-section-in.c: Include ggc.h
158         (lto_new_in_decl_state): Alloc in GGC.
159         (lto_delete_in_decl_state): Likewise.
160         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
161
162 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
163
164         PR target/42895
165         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
166         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
167         (HONOR_REG_ALLOC_ORDER): Describe new macro.
168         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
169         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
170         account only if HONOR_REG_ALLOC_ORDER is not defined.
171         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
172         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
173         
174 2010-04-29  Jon Grant <04@jguk.org>
175         
176         * collect2.c (vflag): Change type from int to bool.
177         (debug): Likewise.
178         (helpflag): New global bool.
179         (main): Set vflag and debug with boolean, not integer truth
180         values.  Accept new "--help" option and output usage text if
181         found.
182         * collect2.h (vflag): Update prototype.
183         (debug): Likewise.
184         
185 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
186
187         PR bootstrap/43936
188         * plugin.h (flag_plugin_added): Moved out of
189         invoke_plugin_callbacks.
190
191 2010-04-29  Richard Guenther  <rguenther@suse.de>
192
193         PR bootstrap/43935
194         * plugin.h (invoke_plugin_callbacks): Annotate arguments
195         with ATTRIBUTE_UNUSED.
196
197 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
198
199         PR target/43921
200         * config/i386/i386.c (get_some_local_dynamic_name): Replace
201         INSN_P with NONDEBUG_INSN_P.
202         (distance_non_agu_define): Likewise.
203         (distance_agu_use): Likewise.
204
205 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
206
207         From Dominique d'Humieres <dominiq@lps.ens.fr>
208         PR bootstrap/43858
209         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
210         test_set.
211
212 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
213
214         * plugin.h (invoke_plugin_callbacks): New inline function.
215         * plugin.c (flag_plugin_added): New global flag.
216         (add_new_plugin): Initialize above flag.
217         (invoke_plugin_callbacks): Rename to ...
218         (invoke_plugin_callbacks_full): ... this.
219
220 2010-04-28  Jan Hubicka  <jh@suse.cz>
221
222         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
223         (lto_varpool_replace_node): New.
224         (lto_symtab_resolve_symbols): Resolve varpool nodes.
225         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
226         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
227         * cgraph.h (varpool_node_ptr): New type.
228         (varpool_node_ptr): New vector.
229         (varpool_node_set_def): New structure.
230         (varpool_node_set): New type.
231         (varpool_node_set): New vector.
232         (varpool_node_set_element_def): New structure.
233         (varpool_node_set_element, const_varpool_node_set_element): New types.
234         (varpool_node_set_iterator): New type.
235         (varpool_node): Add prev pointers, add used_from_other_partition,
236         in_other_partition.
237         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
238         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
239         varpool_get_node, varpool_remove_node): Declare.
240         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
241         varpool_node_set_size): New inlines.
242         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
243         * tree-pass.h (varpool_node_set_def): Forward declare.
244         (ipa_opt_pass_d): Summary writting takes vnode sets too.
245         (ipa_write_optimization_summaries): Update prototype.
246         * ipa-cp.c (ipcp_write_summary): Update.
247         * ipa-reference.c (ipa_reference_write_summary): Update.
248         * lto-cgraph.c (lto_output_varpool_node): New static function.
249         (output_varpool): New function.
250         (input_varpool_node): New static function.
251         (input_varpool_1): New function.
252         (input_cgraph): Input varpool.
253         * ipa-pure-const.c (pure_const_write_summary): Update.
254         * lto-streamer-out.c (lto_output): Update, output varpool too.
255         (write_global_stream): Kill WPA hack.
256         (produce_asm_for_decls): Update.
257         (output_alias_pair_p): Handle variables.
258         (output_unreferenced_globals): Output only needed partition of varpool.
259         * ipa-inline.c (inline_write_summary): Update.
260         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
261         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
262         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
263         varpool_node_set_new, varpool_node_set_add,
264         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
265         debug_varpool_node_set): New functions.
266         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
267         (execute_one_pass): Process new decls too.
268         (ipa_write_summaries_2): Pass around vsets.
269         (ipa_write_summaries_1): Likewise.
270         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
271         to add.
272         (ipa_write_optimization_summaries_1): Pass around vsets.
273         (ipa_write_optimization_summaries): Likewise.
274         * varpool.c (varpool_get_node): New.
275         (varpool_node): Update doubly linked lists.
276         (varpool_remove_node): New.
277         (dump_varpool_node): More dumping.
278         (varpool_enqueue_needed_node): Update doubly linked lists.
279         (decide_is_variable_needed): Kill ltrans hack.
280         (varpool_finalize_decl): Kill lto hack.
281         (varpool_assemble_decl): Skip decls in other partitions.
282         (varpool_assemble_pending_decls): Update doubly linkes lists.
283         (varpool_empty_needed_queue): Likewise.
284         (varpool_extra_name_alias): Likewise.
285         * lto-streamer.c (lto_get_section_name): Add vars section.
286         * lto-streamer.h (lto_section_type): Update.
287         (output_varpool, input_varpool): Declare.
288
289 2010-04-28  Mike Stump  <mikestump@comcast.net>
290
291         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
292
293 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
294
295         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
296         record or union type with RECORD_OR_UNION_TYPE_P predicate.
297         (lto_input_ts_type_tree_pointers): Likewise.
298         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
299         (lto_output_ts_type_tree_pointers): Likewise.
300
301 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
302
303         Uniquization of constants at the Tree level
304         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
305         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
306         bit to the end.
307         (tree_output_constant_def): Declare.
308         * gimplify.c (gimplify_init_constructor): When using block copy, first
309         uniquize the constant constructor on the RHS.
310         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
311         DECL_IN_CONSTANT_POOL flag.
312         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
313         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
314         constant pool.
315         (assemble_variable): Deal with symbols belonging to the tree constant
316         pool.
317         (get_constant_section): Add ALIGN parameter and simplify.
318         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
319         (assemble_constant_contents): Use the expression of the VAR_DECL.
320         (output_constant_def_contents): Use the alignment of the VAR_DECL.
321         (tree_output_constant_def): New global function.
322         (mark_constant): Use the expression of the VAR_DECL.
323         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
324         its expression.
325         (output_object_block): Likewise and assemble the expression.
326
327 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
328
329         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
330         hash_tree, eq_tree): New tree hash table.
331         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
332         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
333         lto_orig_address_remove): Reimplement.
334
335 2010-04-28  Xinliang David Li  <davidxl@google.com>
336
337         PR c/42643
338         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
339         (compute_uninit_opnds_pos): New function.
340         (is_non_loop_exit_postdominating): New function.
341         (compute_control_dep_chain): New function.
342         (find_pdom): New function.
343         (convert_control_dep_chain_into_preds): New function.
344         (find_predicates): New function.
345         (find_control_equiv_block): New function.
346         (collect_phi_def_edges): New function.
347         (find_def_preds): New function.
348         (find_dom): New function.
349         (dump_predicates): New function.
350         (get_cmp_code): New function.
351         (is_value_included_in): New function.
352         (find_matching_predicate_in_rest_chains): New function.
353         (use_pred_not_overlap_with_undef_path_pred): New function.
354         (is_use_properly_guarded): New function.
355         (normalize_cond_1): New function.
356         (is_and_or_or): New function.
357         (normalize_cond): New function.
358         (is_gcond_subset_of): New function.
359         (is_subset_of_any): New function.
360         (is_or_set_subset_of): New function.
361         (is_and_set_subset_of): New function.
362         (is_norm_cond_subset_of): New function.
363         (is_pred_expr_subset_of): New function.
364         (is_pred_chain_subset_of): New function.
365         (is_included_in): New function.
366         (is_superset_of): New function.
367         (find_uninit_use): New function.
368         (warn_uninitialized_phi): New function.
369         (compute_possibly_undefined_names): New function.
370         (ssa_undefined_value_p): New function.
371         (execute_late_warn_uninitialized): New function.
372         * tree-ssa.c (ssa_undefined_value_p): Removed.
373         (warn_uninit): Changed to extern.
374         (warn_uninitialized_phi): Removed.
375         (warn_uninitialized_vars): Changed to extern.
376         (execute_late_warn_uninitialized): Removed
377         * tree-flow.h: Add new prototypes.
378         * timevar.def: Add new time variable.
379         * Makefile.in: Add new build file.
380
381 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
382
383         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
384         type if available.
385
386 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
387
388         PR target/22224
389         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
390
391 2010-04-28  Martin Jambor  <mjambor@suse.cz>
392
393         * cgraph.h (struct cgraph_node): New field indirect_calls.
394         (struct cgraph_indirect_call_info): New type.
395         (struct cgraph_edge): Removed field indirect_call. New fields
396         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
397         (cgraph_create_indirect_edge): Declare.
398         (cgraph_make_edge_direct): Likewise.
399         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
400         * ipa-prop.h (struct ipa_param_call_note): Removed.
401         (struct ipa_node_params): Removed field param_calls.
402         (ipa_create_all_structures_for_iinln): Declare.
403         * cgraph.c: Described indirect edges and uids in initial comment.
404         (cgraph_add_edge_to_call_site_hash): New function.
405         (cgraph_edge): Search also among the indirect edges, use
406         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
407         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
408         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
409         site hash.
410         (initialize_inline_failed): Assign a reason to indirect edges.
411         (cgraph_create_edge_1): New function.
412         (cgraph_create_edge): Moved some functionality to
413         cgraph_create_edge_1.
414         (cgraph_create_indirect_edge): New function.
415         (cgraph_edge_remove_callee): Add an assert checking for
416         non-indirectness.
417         (cgraph_edge_remove_caller): Special-case indirect edges.
418         (cgraph_remove_edge): Likewise.
419         (cgraph_set_edge_callee): New function.
420         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
421         (cgraph_make_edge_direct): New function.
422         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
423         the declaration of the call statement matches.
424         (cgraph_node_remove_callees): Special-case indirect edges.
425         (cgraph_clone_edge): Likewise.
426         (cgraph_clone_node): Clone also the indirect edges.
427         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
428         indirect_call, dump count of indirect_calls edges.
429         * ipa-prop.c (iinlining_processed_edges): New variable.
430         (ipa_note_param_call): Create indirect edges instead of
431         creating notes.  New parameter node.
432         (ipa_analyze_call_uses): New parameter node, pass it on to
433         ipa_note_param_call.
434         (ipa_analyze_stmt_uses): Likewise.
435         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
436         (print_edge_addition_message): Work on edges rather than on notes.
437         (update_call_notes_after_inlining): Likewise, renamed to
438         update_indirect_edges_after_inlining.
439         (ipa_create_all_structures_for_iinln): New function.
440         (ipa_free_node_params_substructures): Do not free notes.
441         (ipa_edge_duplication_hook): Propagate bits within
442         iinlining_processed_edges bitmap.
443         (ipa_node_duplication_hook): Do not duplicate notes.
444         (free_all_ipa_structures_after_ipa_cp): Renamed to
445         ipa_free_all_structures_after_ipa_cp.
446         (free_all_ipa_structures_after_iinln): Renamed to
447         ipa_free_all_structures_after_iinln.g
448         (ipa_write_param_call_note): Removed.
449         (ipa_read_param_call_note): Removed.
450         (ipa_write_indirect_edge_info): New function.
451         (ipa_read_indirect_edge_info): Likewise.
452         (ipa_write_node_info): Do not stream notes, do stream information
453         in indirect edges.
454         (ipa_read_node_info): Likewise.
455         (lto_ipa_fixup_call_notes): Removed.
456         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
457         * ipa-inline.c (pass_ipa_inline): Likewise.
458         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
459         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
460         * tree-inline.c (copy_bb): Removed an unnecessary double check for
461         is_gimple_call.
462         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
463         edges.
464         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
465         (output_cgraph): Stream also indirect edges.
466         (lto_output_edge): Added capability to stream indirect edges.
467         (input_edge): Likewise.
468         (input_cgraph_1): Likewise.
469         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
470         of indirect edges.
471
472 2010-04-28  Richard Guenther  <rguenther@suse.de>
473
474         PR tree-optimization/43879
475         PR tree-optimization/43909
476         * tree-ssa-structalias.c (struct variable_info): Add
477         only_restrict_pointers flag.
478         (new_var_info): Initialize it.  Increment stats.total_vars here.
479         (create_function_info_for): Do not increment stats.total_vars
480         here.
481         (get_function_part_constraint): Fix build with C++.
482         (insert_into_field_list): Remove.
483         (push_fields_onto_fieldstack): Properly merge fields.
484         (create_variable_info_for): Split and simplify.
485         (create_variable_info_for_1): New piece.
486         (intra_create_variable_infos): Properly make restrict constraints
487         from parameters.
488
489 2010-04-28  Richard Guenther  <rguenther@suse.de>
490
491         PR c++/43880
492         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
493         value-exprs.
494
495 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
496             Jan Hubicka <hubicka@ucw.cz>
497
498         * doc/invoke.texi (-Wsuggest-attribute=const,
499         -Wsuggest-attribute=pure): Document.
500         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
501         (function_always_visible_to_compiler_p,
502         suggest_attribute, warn_function_pure, warn_function_const):
503         New functions.
504         (check_call): Improve debug info.
505         (analyze_function): Do not check availability.
506         (add_new_function): Check availability.
507         (propagate): Output warnings.
508         (skip_function_for_local_pure_const): New function.
509         (local_pure_const): Use it; output warnings.
510         * common.opt (Wsuggest-attribute=const,
511         Wsuggest-attribute=pure): New.
512
513 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
514
515         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
516         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
517         or DW_CFA_def_cfa_offset{,_sf}.
518
519 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
520
521         * tree.h: Fix truncated long macros.
522
523 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
524
525         * collect2.c (TARGET_64BIT): Redefine to target's default.
526         * tlink.c: Likewise.
527         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
528         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
529         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
530         for underscoring __USER_LABEL_PREFIX__.
531         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
532         (SUB_LINK_ENTRY32): New.
533         (SUB_LINK_ENTRY64): New.
534         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
535         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
536         (SUB_LINK_ENTRY64): New.
537         (SUB_LINK_ENTRY): New.
538         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
539         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
540         x64 target is choosen.
541         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
542         * configure: Regenerated.
543         * configure.ac (leading-mingw64-underscores): Option added.
544
545 2010-04-27  Jan Hubicka  <jh@suse.cz>
546
547         * doc/invoke.texi (-fipa-profile): Document.
548         * opts.c (decode_options): Enable ipa-profile at -O1.
549         * timevar.def (TV_IPA_PROFILE): Define.
550         * common.opt (fipa-profile): Add.
551         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
552         flag for clones.
553         (cgraph_propagate_frequency): Handle only local ones.
554         * tree-pass.h (pass_ipa_profile): Declare.
555         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
556         (pass_ipa_profile): Use TV_IPA_PROFILE.
557         * ipa.c (ipa_profile): New function.
558         (gate_ipa_profile): Likewise.
559         (pass_ipa_profile): New global variable.
560         * passes.c (pass_ipa_profile): New.
561
562 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
563
564         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
565
566 2010-04-27  Martin Jambor  <mjambor@suse.cz>
567
568         PR middle-end/43812
569         * ipa.c (dissolve_same_comdat_group_list): New function.
570         (function_and_variable_visibility): Call
571         dissolve_same_comdat_group_list when comdat group contains external or
572         newly local nodes.
573         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
574         lists are circular and that they contain only DECL_ONE_ONLY nodes.
575
576 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
577
578         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
579         (const_hash_1) <VECTOR_CST>: New case.
580         (compare_constant) <VECTOR_CST>: Likewise.
581         <ADDR_EXPR>: Deal with LABEL_REFs.
582         (copy_constant) <VECTOR_CST>: New case.
583
584 2010-04-27  Jan Hubicka  <jh@suse.cz>
585
586         * cgraph.c (cgraph_propagate_frequency): New function.
587         * cgraph.h (cgraph_propagate_frequency): Declare.
588         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
589         cgraph_propagate_frequency.
590
591 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
592
593         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
594
595 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
596
597         PR target/40657
598         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
599         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
600         here to determine which regs to push and how much stack to reserve.
601
602 2010-04-27  Jie Zhang  <jie@codesourcery.com>
603
604         * doc/gimple.texi (gimple_statement_with_ops): Remove
605         addresses_taken field.
606         (gimple_statement_with_memory_ops): Likewise.
607
608 2010-04-27  Jan Hubicka  <jh@suse.cz>
609
610         * tree-inline.c (eni_inlining_weights): Remove.
611         (estimate_num_insns): Special case more builtins.
612
613 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
614
615         PR c/32207
616         * c-typeck.c (build_binary_op): Move forward check for comparison
617         pointer with null pointer constant and adjust the diagnostic message.
618
619 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
620
621         PR lto/42776
622         * configure.ac (gcc_cv_as_section_has_align): Set if installed
623         binutils supports extended .section directive needed by LTO, or
624         warn if older binutils found.
625         (LTO_BINARY_READER): New AC_SUBST'd variable.
626         (LTO_USE_LIBELF): Likewise.
627         * gcc/config.gcc (lto_binary_reader): New target-specific configure
628         variable.
629         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
630         (LTO_USE_LIBELF): Likewise.
631         * configure: Regenerate.
632
633         * collect2.c (is_elf): Rename from this ...
634         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
635          object files in addition to ELF-formatted ones.
636         (scan_prog_file): Caller updated.  Also allow for LTO info marker
637         symbol to be prefixed or not by an extra underscore.
638
639         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
640         * config/i386/winnt.c: Also #include lto-streamer.h
641         (i386_pe_asm_named_section): Specify 1-byte section alignment for
642         LTO named sections.
643         (i386_pe_asm_output_aligned_decl_common): Add comment.
644         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
645
646 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
647
648         PR target/43889
649         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
650         Add missing earlyclobber for second alternative.
651
652 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
653
654         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
655         bits for artificial defs at the top of the block.
656         * fwprop.c (single_def_use_enter_block): Don't call it.
657
658 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
659
660         PR 43715
661         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
662         instead of "$gcc_cv_objdump -T".
663         Use "-undefined dynamic_lookup" on darwin.
664         * gcc/configure: Regenerate.
665
666 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
667
668         PR c/43893
669         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
670
671 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
672
673         * c-parser.c (struct c_token): Move location field up.
674         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
675         (struct c_declspecs): Convert typespec_word, storage_class, and
676         default_int_p into bitfields.
677         (struct c_declarator): Move loc field up.
678
679 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
680
681         * cfgloop.h (struct loop): Move can_be_parallel field up.
682         * ipa-prop.h (struct ip_node_params): Move bitfields up.
683         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
684         down.
685         (struct iv_cand): Convert pos field into a bitfield.
686         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
687         field up.
688         (struct _stmt_vec_info): Shuffle fields for better packing.
689
690 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
691
692         * varasm.c (IN_NAMED_SECTION): Remove guard.
693         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
694         (IN_NAMED_SECTION_P): ...this.
695         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
696         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
697
698 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
699
700         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
701         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
702         of shadowing it.  Fix comments.
703
704 2010-04-26  Jan Hubicka  <jh@suse.cz>
705
706         * cgraph.c (cgraph_create_node): Set node frequency to normal.
707         (cgraph_clone_node): Copy function frequency.
708         * cgraph.h (node_frequency): New enum
709         (struct cgraph_node): Add.
710         * final.c (rest_of_clean_state): Update.
711         * lto-cgraph.c (lto_output_node): Output node frequency.
712         (input_overwrite_node): Input node frequency.
713         * tre-ssa-loop-ivopts (computation_cost): Update.
714         * lto-streamer-out.c (output_function): Do not output function
715         frequency.
716         * predict.c (maybe_hot_frequency_p): Update and handle functions
717         executed once.
718         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
719         attribute lookup.
720         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
721         (compute_function_frequency): Set noreturn functions to be executed
722         once.
723         (choose_function_section): Update.
724         * lto-streamer-in.c (input_function): Do not input function frequency.
725         * function.c (allocate_struct_function): Do not initialize function
726         frequency.
727         * function.h (function_frequency): Remove.
728         (struct function): Remove function frequency.
729         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
730         (try_update): Update.
731         * tree-inline.c (initialize_cfun): Do not update function frequency.
732         * passes.c (pass_init_dump_file): Update.
733         * i386.c (ix86_compute_frame_layout): Update.
734         (ix86_pad_returns): Update.
735
736 2010-04-26  Jie Zhang  <jie@codesourcery.com>
737
738         PR tree-optimization/43833
739         * tree-vrp.c (range_int_cst_p): New.
740         (range_int_cst_singleton_p): New.
741         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
742         when both operands are constants.  Use range_int_cst_p in
743         BIT_IOR_EXPR case.
744
745 2010-04-26  Jan Hubicka  <jh@suse.cz>
746
747         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
748
749 2010-04-26  Richard Guenther  <rguenther@suse.de>
750
751         PR lto/43080
752         * gimple.c (gimple_decl_printable_name): Deal gracefully
753         with a NULL DECL_NAME.
754
755 2010-04-26  Richard Guenther  <rguenther@suse.de>
756
757         PR lto/42425
758         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
759         if emitting debug information and it is either a function
760         or a namespace decl.
761
762 2010-04-26  Ira Rosen  <irar@il.ibm.com>
763
764         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
765         determine if the statement is vectorizable, and a macro to access it.
766         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
767         Skip statements that can't be vectorized. If the analysis fails,
768         mark the statement as unvectorizable if vectorizing basic block.
769         (vect_compute_data_refs_alignment): Likewise.
770         (vect_verify_datarefs_alignment): Skip statements marked as
771         unvectorizable. Add print.
772         (vect_analyze_group_access): Skip statements that can't be
773         vectorized. If the analysis fails, mark the statement as
774         unvectorizable if vectorizing basic block.
775         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
776         * tree-vect-stmts.c (vectorizable_store): Fix the number of
777         generated stmts for SLP.
778         (new_stmt_vec_info): Initialize the new field.
779         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
780         statements marked as unvectorizable.
781
782 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
783
784         * c-common.c (flag_isoc1x): New.
785         (flag_isoc99): Update comment.
786         * c-common.h (flag_isoc1x): New.
787         (flag_isoc99): Update comment.
788         * c-cppbuiltin.c (builtin_define_float_constants): Also define
789         __<type>_DECIMAL_DIG__.
790         * c-opts.c (set_std_c1x): New.
791         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
792         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
793         * c.opt (-std=c1x, -std=gnu1x): New options.
794         * doc/cpp.texi: Mention -std=c1x.
795         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
796         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
797         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
798         * doc/standards.texi: Mention C1X.
799         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
800         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
801         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
802         Define for C1X.
803
804 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
805
806         * config/i386/gmon-sol2.c (_mcleanup): Change format string
807         placeholder from 0x%x to %#x.
808         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
809         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
810         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
811         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
812         * config/i386/i386.c (ix86_target_string): Ditto.
813         (output_pic_addr_const): Ditto.
814         (print_operand): Ditto.
815
816 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
817
818         * combine.c (find_split_point): Add third argument.  Use it
819         to find nested multiply-accumulate instructions.  Adjust calls.
820         (try_combine): Adjust call to find_split_point.
821
822 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
823
824         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
825
826 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
827
828         PR tree-optimization/41442
829         * fold-const.c (merge_truthop_with_opposite_arm): New function.
830         (fold_binary_loc): Call it.
831
832 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
833
834         * toplev.c (general_init): Set default for fdiagnostics-show-option.
835         * opts.c (common_handle_option): Allow disabling it.
836         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
837
838 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
839
840         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
841         between modes if both types are integral.
842
843 2010-04-23  Richard Guenther  <rguenther@suse.de>
844
845         PR tree-optimization/43572
846         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
847
848 2010-04-23  Richard Guenther  <rguenther@suse.de>
849
850         PR lto/43455
851         * tree-inline.c (tree_can_inline_p): Also check compatibility
852         of return types.
853
854 2010-04-23  Martin Jambor  <mjambor@suse.cz>
855
856         PR tree-optimization/43846
857         * tree-sra.c (struct access): New flag grp_assignment_read.
858         (build_accesses_from_assign): Set grp_assignment_read.
859         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
860         (enum mark_read_status): New type.
861         (analyze_access_subtree): Propagate grp_assignment_read, create
862         accesses also if both direct_read and root->grp_assignment_read.
863
864 2010-04-23  Martin Jambor  <mjambor@suse.cz>
865
866         PR middle-end/43835
867         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
868         function does not have type attributes.
869
870 2010-04-23  Richard Guenther  <rguenther@suse.de>
871
872         PR lto/42653
873         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
874         of FUNCTION_DECLs.
875
876 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
877
878         * sese.h (create_if_region_on_edge): Remove.
879
880         * sese.c (create_if_region_on_edge): Make static.
881
882         * tree-inline.c: Do not include ggc.h.
883
884         * expr.c: Do not include ggc.h.
885
886         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
887         dependencies.
888
889 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
890
891         PR target/43744
892         * config/sh/sh.c (find_barrier): Don't emit a constant pool
893         in the middle of insns for casesi_worker_2.
894
895 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
896
897         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
898
899 2010-04-22  Ira Rosen  <irar@il.ibm.com>
900
901         PR tree-optimization/43842
902         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
903         loop unrolling in update of exit phis. Fix comment.
904         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
905         least two reduction statements in the loop before starting SLP
906         analysis.
907
908 2010-04-22  Nick Clifton  <nickc@redhat.com>
909
910         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
911
912 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
913
914         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
915         to simplify a + ~a.
916
917 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
918
919         * tree-parloops.c (loop_parallel_p): New argument
920         parloop_obstack.  Pass it down.
921         (parallelize_loops): New variable parloop_obstack.  Initialize it,
922         pass it down, free it.
923
924         * tree-loop-linear.c (linear_transform_loops): Pass down
925         lambda_obstack.
926
927         * tree-data-ref.h (lambda_compute_access_matrices): New argument
928         of type struct obstack *.
929
930         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
931         scratch_obstack.  Initialize it, pass down, free it.
932
933         * lambda.h (lambda_loop_new): Remove.
934         (lambda_matrix_new, lambda_matrix_inverse)
935         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
936         argument of type struct obstack *.
937
938         * lambda-trans.c (lambda_trans_matrix_new): New argument
939         lambda_obstack.  Pass it down, use obstack allocation for ret.
940         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
941         it down.
942
943         * lambda-mat.c (lambda_matrix_get_column)
944         (lambda_matrix_project_to_null): Remove.
945         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
946         allocation for mat.
947         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
948         lambda_obstack.
949
950         * lambda-code.c (lambda_loop_new): New function.
951         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
952         (lambda_compute_auxillary_space, lambda_compute_target_space)
953         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
954         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
955         (build_access_matrix): New argument lambda_obstack.  Use obstack
956         allocation for am.
957         (lambda_compute_step_signs, lambda_compute_access_matrices): New
958         argument lambda_obstack.  Pass it down.
959
960 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
961
962         * optabs.h (expand_widening_mult): Declare.
963
964 2010-04-22  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/43845
967         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
968         lookup the CALL_EXPR function and arguments.
969
970 2010-04-22  Nick Clifton  <nickc@redhat.com>
971
972         * config/stormy16/stormy16.c
973         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
974         * config/stormy16/stormy16.h: Tidy up formatting.
975         (DONT_USE_BUILTIN_SETJMP): Remove definition.
976         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
977         (ineqbranchsi): Delete pattern.
978         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
979         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
980         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
981         stormy16-lib2-ucmpsi2.c.
982
983 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
984
985         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
986         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
987         extra set merge_set_noclobber, and use it to relax the final test
988         slightly.
989         * df.h (df_simulate_find_noclobber_defs): Declare.
990         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
991         conditional defs.
992         (df_simulate_find_noclobber_defs): New function.
993
994 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
995
996         * config/i386/i386.md: Use {} around multi-line preparation statements.
997
998 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
999
1000         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1001         (process_init_element): New argument of type struct obstack *.
1002
1003         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1004         (set_init_index, set_init_label, set_nonincremental_init)
1005         (set_nonincremental_init_from_string, find_init_member)
1006         (output_init_element, output_pending_init_elements)
1007         (process_init_element): New argument braced_init_obstack.  Pass it
1008         down.
1009         (push_range_stack, add_pending_init): New argument
1010         braced_init_obstack.  Use obstack allocation.
1011
1012         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1013         braced_init_obstack.  Pass it down.
1014         (c_parser_braced_init): New variables ret, braced_init_obstack.
1015         Initialize obstack, pass it down and finally free it.
1016
1017 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1018
1019         PR middle-end/29274
1020         * tree-pass.h (pass_optimize_widening_mul): Declare.
1021         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1022         gate_optimize_widening_mul): New static functions.
1023         (pass_optimize_widening_mul): New.
1024         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1025         <case MULT_EXPR>: Remove support for widening multiplies.
1026         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1027         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1028         simplify_gen_unary rather than directly building extensions.
1029         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1030         WIDEN_MULT_EXPR.
1031         * expmed.c (expand_widening_mult): New function.
1032         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1033
1034 2010-04-21  Jan Hubicka  <jh@suse.cz>
1035
1036         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1037         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1038         * lto-wpa-fixup.c: Remove.
1039         * Makefile.in (lto-wpa-fixup.o): Remove.
1040         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1041         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1042         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1043
1044 2010-04-21  Jan Hubicka  <jh@suse.cz>
1045
1046         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1047         add write_optimization_summary, read_optimization_summary.
1048         (ipa_write_summaries_of_cgraph_node_set): Remove.
1049         (ipa_write_optimization_summaries): Declare.
1050         (ipa_read_optimization_summaries): Declare.
1051         * ipa-cp.c (pass_ipa_cp): Update.
1052         * ipa-reference.c (pass_ipa_reference): Update.
1053         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1054         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1055         Update.
1056         * ipa-inline.c (pass_ipa_inline): Update.
1057         * ipa.c (pass_ipa_whole_program): Update.
1058         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1059         * passes.c (ipa_write_summaries_1): Do not test wpa.
1060         (ipa_write_optimization_summaries_1): New.
1061         (ipa_write_optimization_summaries): New.
1062         (ipa_read_summaries): Do not test ltrans.
1063         (ipa_read_optimization_summaries_1): New.
1064         (ipa_read_optimization_summaries): New.
1065
1066 2010-04-21  Jan Hubicka  <jh@suse.cz>
1067
1068         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1069         for boundary nodes.
1070         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1071
1072 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR debug/40040
1075         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1076         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1077
1078 2010-04-21  Jan Hubicka  <jh@suse.cz>
1079
1080         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1081
1082 2010-04-21  Jan Hubicka  <jh@suse.cz>
1083
1084         * varpool.c (decide_is_variable_needed): Variable is always needed
1085         during ltrans.
1086
1087 2010-04-21  Jan Hubicka  <jh@suse.cz>
1088
1089         * opts.c (decode_options): Enable pure-const pass for whopr.
1090
1091 2010-04-21  Jan Hubicka  <jh@suse.cz>
1092
1093         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1094         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1095         at WPA dumping.
1096         (cgraph_decide_inlining): Do not expect callee to be removed in all
1097         cases.
1098
1099 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1100
1101         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1102
1103 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1104
1105         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1106         amdfam10_decode attributes.
1107
1108 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1109
1110         PR middle-end/43570
1111         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1112         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1113         (lower_copyprivate_clauses): Use private var in outer
1114         context instead of original var.  Make sure the types
1115         are correct for VLAs.
1116
1117 2010-04-21  Richard Guenther  <rguenther@suse.de>
1118
1119         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1120         to non-pointer objects.
1121
1122 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1123
1124         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1125         last chain entry if it starts with the still current label.
1126         (add_location_or_const_value_attribute): Check that
1127         loc_list->first->next is NULL instead of comparing ->first with ->last.
1128         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1129         to add_var_loc_to_decl.
1130
1131         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1132         >= 4 add also address size and segment size fields into CIE header.
1133
1134         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1135         long as address size is the same as sizeof (void *) and
1136         segment size is 0.
1137         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1138         address size or segment size is unexpected, return DW_EH_PE_omit.
1139         (classify_object_over_fdes): If get_cie_encoding returned
1140         DW_EH_PE_omit, return -1.
1141         (init_object): If classify_object_over_fdes returned -1,
1142         pretend there were no FDEs at all.
1143
1144 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1145
1146         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1147         bswap{si,di}2 using SWI48 mode iterator.
1148         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1149         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1150         set modrm attribute of bswap insn to 0 and remove length attribute.
1151         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1152         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1153         set mode attribute to <MODE> and remove length attribute.
1154
1155 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1156
1157         PR rtl-optimization/43520
1158         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1159         zero available registers.
1160
1161 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1162
1163         * builtins.c (fold_builtin_cproj): Fold more cases.
1164
1165 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1166
1167         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1168         (fold_builtin_1): Fold builtin cproj.
1169         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1170         Use ATTR_CONST_NOTHROW_LIST.
1171
1172 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1173
1174         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1175         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1176         ffsi2_no_cmove for !TARGET_CMOVE.
1177         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1178         (ffssi2): Remove expander.
1179         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1180         mode iterator.
1181         (ctz<mode>2): Ditto from ctz{si,di}2.
1182         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1183         mode iterator.
1184         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1185         mode iterator.
1186
1187 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1188
1189         * dwarf2out.c (AT_linkage_name): Define.
1190         (clone_as_declaration): Handle DW_AT_linkage_name.
1191         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1192         of DW_AT_MIPS_linkage_name.
1193         (move_linkage_attr): Likewise.
1194         (dwarf2out_finish): Likewise.
1195
1196 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1197
1198         PR middle-end/41952
1199         * fold-const.c (fold_comparison): New folding rule.
1200
1201 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1202
1203         * double-int.h (double_int_setbit): Declare.
1204         * double-int.c (double_int_setbit): New function.
1205         * rtl.h (immed_double_int_const): Declare.
1206         * emit-rtl.c (immed_double_int_const): New function.
1207         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1208         and immed_double_int_const functions.
1209         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1210         expand_copysign_bit):  (Ditto.).
1211         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1212         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1213         * dojump.c (prefer_and_bit_test): (Ditto.).
1214         * expr.c (convert_modes, reduce_to_bit_field_precision,
1215         const_vector_from_tree): (Ditto.).
1216         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1217
1218 2010-04-20  Jan Hubicka  <jh@suse.cz>
1219
1220         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1221         (dump_cgraph_node): Dump new flags.
1222         * cgraph.h (struct cgraph_node): Add flags
1223         reachable_from_other_partition and in_other_partition.
1224         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1225         other partition can not be removed.
1226         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1227         the other partition must be output; silence sanity checking on
1228         leaking functions bodies from other paritition.
1229         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1230         (lto_output_node): Output new flags; do not sanity check that inline
1231         clones are output; drop lto_forced_extern_inline_p code; do not mock
1232         visibility flags at partition boundaries.
1233         (add_node_to): New function.
1234         (output_cgraph): Use it to sort functions so masters appear before
1235         clones.
1236         (input_overwrite_node): Input new flags.
1237         * passes.c (ipa_write_summaries): Do not call
1238         lto_new_extern_inline_states.
1239         * lto-section-out.c (forced_extern_inline,
1240         lto_new_extern_inline_states lto_delete_extern_inline_states,
1241         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1242         * lto-streamer.h (lto_new_extern_inline_states,
1243         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1244         lto_forced_extern_inline_p): Kill.
1245
1246 2010-04-20  Richard Guenther  <rguenther@suse.de>
1247
1248         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1249         from vars that can have pointers.
1250         (process_constraint): Dump useless constraints.
1251
1252 2010-04-20  Richard Guenther  <rguenther@suse.de>
1253
1254         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1255         (dump_sa_points_to_info): Remove asserts.
1256         (init_base_vars): nothing_id isn't an escape point nor does it
1257         have pointers.
1258
1259 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1260
1261         * tree.h (TYPE_REF_IS_RVALUE): Define.
1262         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1263         should_move_die_to_comdat, prune_unused_types_walk): Handle
1264         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1265         (modified_type_die, gen_reference_type_die): Emit
1266         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1267         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1268
1269 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1270
1271         PR target/43635
1272         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1273         calls for -fpic -m31 if they have been sibcall optimized.
1274
1275 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1276
1277         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1278         ar.lc fixed and call-used.
1279
1280         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1281
1282 2010-04-19  Jan Hubicka  <jh@suse.cz>
1283
1284         * opts.c (decode_options): Disable whpr incompatible passes.
1285         * lto/lto.c (lto_1_to_1_map): Skip clones.
1286         (read_cgraph_and_symbols): Do not mark everything as needed.
1287         (do_whole_program_analysis): Do map only after optimizing;
1288         set proper cgraph_state; use passmanager.
1289
1290 2010-04-19  DJ Delorie  <dj@redhat.com>
1291
1292         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1293         POINTER_PLUS_EXPR and fix them.
1294
1295 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1296
1297         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1298         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1299         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1300         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1301         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1302         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1303         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1304         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1305         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1306         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1307         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1308
1309 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1310
1311         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1312         (check_cond_move_block): Likewise.
1313         (cond_move_process_if_block): Likewise.
1314         (noce_find_if_block): Improve formatting.
1315         (find_if_header): Pass 0 to memset and tweak conditions.
1316         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1317
1318 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1319
1320         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1321         for -gdwarf-4.
1322
1323         PR middle-end/43337
1324         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1325         with non-local decl doesn't need chain.
1326
1327 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1328
1329         * ira-color.c (allocno_reload_assign): Avoid accumulating
1330         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1331
1332 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1333
1334         * gimple.h (create_tmp_reg): Declare.
1335         * gimplify.c (create_tmp_reg): New function.
1336         (gimplify_return_expr): Use create_tmp_reg.
1337         (gimplify_omp_atomic): Likewise.
1338         (gimple_regimplify_operands): Likewise.
1339         * tree-dfa.c (make_rename_temp): Likewise.
1340         * tree-predcom.c (predcom_tmp_var): Likewise.
1341         (reassociate_to_the_same_stmt): Likewise.
1342         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1343         (get_replaced_param_substitute): Likewise.
1344         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1345         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1346         * tree-ssa-pre.c (get_representative_for): Likewise.
1347         (create_expression_by_pieces): Likewise.
1348         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1349         (create_tailcall_accumulator): Likewise.
1350
1351 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1352
1353         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1354         new_stmt.
1355         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1356
1357 2010-04-19  Richard Guenther  <rguenther@suse.de>
1358
1359         PR tree-optimization/43796
1360         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1361         from SCEV in the lattice.
1362         (vrp_visit_phi_node): Dump change.
1363
1364 2010-04-19  Richard Guenther  <rguenther@suse.de>
1365
1366         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1367         * configure: Re-generated.
1368
1369 2010-04-19  Richard Guenther  <rguenther@suse.de>
1370
1371         PR tree-optimization/43783
1372         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1373         constant ARRAY_REF operands two and three if possible.
1374
1375 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1376
1377         PR target/43766
1378         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1379
1380 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1381
1382         PR target/43662
1383         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1384
1385 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1386
1387         PR tree-optimization/37027
1388         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1389         and macro to access it.
1390         (vectorizable_reduction): Add argument.
1391         (vect_get_slp_defs): Likewise.
1392         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1393         statements for possible use in SLP.
1394         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1395         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1396         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1397         add new argument.
1398         (vectorizable_reduction): Likewise.
1399         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1400         vect_get_slp_defs.
1401         (vectorizable_type_demotion, vectorizable_type_promotion,
1402         vectorizable_store): Likewise.
1403         (vect_analyze_stmt): Update call to vectorizable_reduction.
1404         (vect_transform_stmt): Likewise.
1405         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1406         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1407         from different interleaving chains in same node.
1408         (vect_slp_rearrange_stmts): New function.
1409         (vect_supported_load_permutation_p): Allow load permutations for
1410         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1411         inside SLP nodes if necessary.
1412         (vect_analyze_slp_instance): Handle reductions.
1413         (vect_analyze_slp): Try to build SLP instances originating from groups
1414         of reductions.
1415         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1416         (vect_get_constant_vectors): Create initial vectors for reductions
1417         according to reduction code. Add new argument.
1418         (vect_get_slp_defs): Add new argument, pass it to
1419         vect_get_constant_vectors.
1420         (vect_schedule_slp_instance): Remove SLP tree root statements.
1421
1422 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1423
1424         * tree.h (ENUM_IS_SCOPED): Define.
1425         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1426         for ENUM_IS_SCOPED enums.
1427
1428 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1429
1430         * fold-const.c (fold_comparison): Use ssizetype.
1431         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1432         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1433         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1434         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1435
1436         * tree.h (initialize_sizetypes): Remove parameter.
1437         (build_common_tree_nodes): Remove second parameter.
1438         * stor-layout.c (initialize_sizetypes): Remove parameter.
1439         Always create an unsigned type.
1440         (set_sizetype): Assert that the passed type is unsigned and simplify.
1441         * tree.c (build_common_tree_nodes): Remove second parameter.
1442         Adjust call to initialize_sizetypes.
1443         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1444         build_common_tree_nodes.
1445
1446 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1447
1448         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1449
1450 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1451
1452         PR tree-optimization/43771
1453         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1454         load permutation doesn't have gaps.
1455
1456 2010-04-18  Jan Hubicka  <jh@suse.cz>
1457
1458         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1459         (sse_prologue_save_insn expander): Use new pattern.
1460         (sse_prologue_save_insn1): New pattern and splitter.
1461         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1462         blocks.
1463         * i386.c (setup_incoming_varargs_64): Do not compute jump
1464         destination here.
1465         (ix86_gimplify_va_arg): Update alignment needed.
1466         (ix86_local_alignment): Do not align all local arrays to 128bit.
1467
1468 2010-04-17  Jan Hubicka  <jh@suse.cz>
1469
1470         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1471
1472 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1473
1474         * arm.md (negdi2): Remove redundant code to force values into a
1475         register.
1476
1477 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1478
1479         * arm/bpabi.S: Add EABI alignment attributes to objects.
1480         * arm/bpabi-v6m.S: Likewise.
1481         * arm/crti.asm: Likewise.
1482         * arm/crtn.asm: Likewise.
1483         * arm/lib1funcs.asm: Likewise.
1484         * arm/libunwind.S: Likewise.
1485
1486 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1487
1488         * arm-protos.h (tune_params): New structure.
1489         * arm.c (current_tune): New variable.
1490         (arm_constant_limit): Delete.
1491         (struct processors): Add pointer to the tune parameters.
1492         (arm_slowmul_tune): New tuning option.
1493         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1494         (all_cores): Adjust to pick up the tuning model.
1495         (arm_constant_limit): New function.
1496         (arm_override_options): Select the appropriate tuning model.  Delete
1497         initialization of arm_const_limit.
1498         (arm_split_constant): Use the new constant-limit model.
1499         (arm_rtx_costs): Pick up the current tuning model.
1500         * arm.md (is_strongarm, is_xscale): Delete.
1501         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1502         for Xscale variant architectures.
1503         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1504
1505 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1506
1507         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1508         can_shift.
1509         (arm_rtx_costs_1): Remove unused variable extra_cost.
1510         (arm_unwind_emit_set): Use variable offset.
1511         (thumb1_output_casesi): Remove unused variable flags.
1512
1513 2010-04-16  Jeff Law  <law@redhat.com>
1514
1515         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1516         needing assignment rather than doing a two-phase assignment.  Remove
1517         unused variable 'm'.
1518
1519 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR bootstrap/43767
1522         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1523
1524 2010-04-16  Doug Kwan  <dougkwan@google.com>
1525
1526         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1527         (next_operand_entry_id): New static variable.
1528         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1529         (add_to_ops_vec): Assigned unique ID to operand entry.
1530         (struct oecount_s): New field ID.
1531         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1532         (undistribute_ops_list): Assign unique IDs to oecounts.
1533         (init_reassoc): reset next_operand_entry_id.
1534
1535 2010-04-16  Doug Kwan  <dougkwan@google.com>
1536
1537         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1538         missing left parenthesis.
1539
1540 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1541
1542         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1543         *btdi_rex64 using SWI48 mode iterator.
1544         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1545         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1546         *jcc_btdi_mask_rex64.
1547
1548 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1549
1550         * double-int.h (tree_to_double_int): Convert to macro.
1551         * double-int.c (tree_to_double_int): Remove.
1552
1553 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1554
1555         PR debug/43762
1556         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1557         with want_address 2 and in case a single element list might be
1558         possible, call it again with want_address 0.
1559
1560 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1561
1562         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1563         case 'W' print operands for HI mode.
1564         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1565         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1566         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1567         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1568
1569         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1570
1571         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1572         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1573         #xx:3 and #xx:4 mode.
1574
1575         * config/h8300/h8300.md (inverted load with HImode dest): Add
1576         support for H8300SX.
1577
1578         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1579         satisfy 'U' constraint.
1580
1581 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1582
1583         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1584         * configure: Regenerate.
1585         * config.in: Regenerate.
1586         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1587         works.
1588
1589 2010-04-16  Richard Guenther  <rguenther@suse.de>
1590
1591         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1592         (struct tree_decl_common): ... here.
1593         (DECL_PT_UID): Adjust.
1594         (SET_DECL_PT_UID): Likewise.
1595         (DECL_PT_UID_SET_P): Likewise.
1596
1597 2010-04-16  Richard Guenther  <rguenther@suse.de>
1598
1599         PR tree-optimization/43572
1600         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1601         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1602         * tree-flow.h (is_call_clobbered): Remove.
1603         * tree-flow-inline.h (is_call_clobbered): Likewise.
1604         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1605         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1606         (execute_return_slot_opt): Adjust.
1607         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1608         check for call clobbered vars here.
1609         (find_tail_calls): Move tailcall verification to the
1610         proper place.
1611
1612 2010-04-16  Diego Novillo  <dnovillo@google.com>
1613
1614         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1615
1616 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1617
1618         PR target/40603
1619         * config/arm/arm.md (cbranchqi4): New pattern.
1620         * config/arm/predicates.md (const0_operand,
1621         cbranchqi4_comparison_operator): New predicates.
1622
1623 2010-04-16  Richard Guenther  <rguenther@suse.de>
1624
1625         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1626         (dump_gimple_stmt): Likewise.
1627
1628 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1629
1630         * recog.h (struct recog_data): New field is_operator.
1631         (struct insn_operand_data): New field is_operator.
1632         * recog.c (extract_insn): Set recog_data.is_operator.
1633         * genoutput.c (output_operand_data): Emit code to set the
1634         is_operator field.
1635         * reload.c (find_reloads): Use it rather than testing for an
1636         empty constraint string.
1637
1638         PR target/41514
1639         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1640         If the previous insn is a cbranchsi4_insn with the same arguments,
1641         omit the compare instruction.
1642
1643         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1644         register, inputs must be low registers and we need a low register
1645         scratch.  Handle alternative 2 like alternative 3.
1646
1647 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1648
1649         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1650         don't call get_addr on both.  If one expression is a VALUE and
1651         the other a REG, check VALUE's locs if the REG isn't among them.
1652
1653 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1654
1655         * config/sh/sh.h (sh_frame_pointer_required): New function.
1656         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1657         (flag_omit_frame_pointer) Set.
1658         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1659         (rounded_frame_size): Adjust size with outgoing_args_size.
1660         (sh_set_return_address): Must return from stack pointer.
1661         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1662         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1663         (ACCUMULATE_OUTGOING_ARGS): Define.
1664         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1665         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1666
1667 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1668
1669         PR target/43471
1670         * config/sh/sh.c (sh_legitimize_reload_address): Use
1671         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1672         Remove a unneeded check for offset_base.
1673
1674 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         * configure: Regenerated.
1677
1678 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1679
1680         * config/s390/s390.c (s390_call_save_register_used): Switch back
1681         to HARD_REGNO_NREGS.
1682
1683 2010-04-15  Richard Guenther  <rguenther@suse.de>
1684
1685         * alias.c (alias_set_subset_of): Handle alias-set zero
1686         child properly.
1687
1688 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1689             Julian Brown  <julian@codesourcery.com>
1690
1691         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1692         alternatives according to use of high and low regs.
1693         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1694         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1695         optimizing for size on Thumb-2.
1696
1697 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1698
1699         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1700
1701 2010-04-15  Richard Guenther  <rguenther@suse.de>
1702
1703         * tree-ssa-structalias.c (struct variable_info): Add
1704         is_fn_info flag.
1705         (new_var_info): Initialize it.
1706         (dump_constraints): Support printing last added constraints.
1707         (debug_constraints): Adjust.
1708         (dump_constraint_graph): Likewise.
1709         (make_heapvar_for): Check for NULL cfun.
1710         (get_function_part_constraint): New function.
1711         (get_fi_for_callee): Likewise.
1712         (find_func_aliases): Properly implement IPA PTA constraints.
1713         (process_ipa_clobber): New function.
1714         (find_func_clobbers): Likewise.
1715         (insert_into_field_list_sorted): Remove.
1716         (create_function_info_for): Properly allocate vars for IPA mode.
1717         Do not use insert_into_field_list_sorted.
1718         (create_variable_info_for): Properly generate constraints for
1719         global vars in IPA mode.
1720         (dump_solution_for_var): Always dump the solution.
1721         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1722         (find_what_var_points_to): Adjust.
1723         (pt_solution_set): Change.
1724         (pt_solution_ior_into): New function.
1725         (pt_solution_empty_p): Export.
1726         (pt_solution_includes_global): Adjust.
1727         (pt_solution_includes_1): Likewise.
1728         (pt_solutions_intersect_1): Likewise.
1729         (dump_sa_points_to_info): Check some invariants.
1730         (solve_constraints): Move constraint dumping ...
1731         (compute_points_to_sets): ... here.
1732         (ipa_pta_execute): ... and here.
1733         (compute_may_aliases): Do not re-compute points-to info
1734         locally if IPA info is available.
1735         (ipa_escaped_pt): New global var.
1736         (ipa_pta_execute): Properly implement IPA PTA.
1737         * tree-into-ssa.c (dump_decl_set): Support dumping
1738         decls not in referenced-vars.
1739         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1740         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1741         (dump_points_to_solution): Likewise.
1742         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1743         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1744         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1745         (copy_decl_to_var): Copy DECL_PT_UID.
1746         (copy_result_decl_to_var): Likewise.
1747         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1748         (copy_node_stat): Copy it.
1749         * tree.h (DECL_PT_UID): New macro.
1750         (SET_DECL_PT_UID): Likewise.
1751         (DECL_PT_UID_SET_P): Likewise.
1752         (struct tree_decl_minimal): Add pt_uid member.
1753         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1754         (pt_solution_empty_p): Declare.
1755         (pt_solution_set): Adjust.
1756         (ipa_escaped_pt): Declare.
1757         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1758         * gimple-pretty-print.c (pp_points_to_solution): New function.
1759         (dump_gimple_call): Dump call clobber/use information.
1760         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1761         * tree-pass.h (TDF_ALIAS): New dump option.
1762         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1763         * doc/invoke.texi (-fipa-pta): Update documentation.
1764
1765 2010-04-15  Richard Guenther  <rguenther@suse.de>
1766
1767         * Makefile.in (OBJS-common): Add gimple-fold.o.
1768         (gimple-fold.o): New rule.
1769         * tree.h (maybe_fold_offset_to_reference,
1770         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1771         prototypes ...
1772         * gimple.h: ... here.
1773         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1774         may_propagate_address_into_dereference): Move prototypes ...
1775         * gimple.h: ... here.
1776         * tree-ssa-ccp.c (get_symbol_constant_value,
1777         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1778         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1779         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1780         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1781         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1782         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1783         gimplify_and_update_call_from_tree): Move ...
1784         * gimple-fold.c: ... here.  New file.
1785         (ccp_fold_builtin): Rename to ...
1786         (gimple_fold_builtin): ... this.
1787         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1788
1789 2010-04-15  Richard Guenther  <rguenther@suse.de>
1790
1791         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1792         fit_double_type, force_fit_type_double, add_double_with_sign,
1793         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1794         lrotate_double, rrotate_double, div_and_round_double): Move ...
1795         * double-int.c: ... here.
1796         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1797         add_double, neg_double, mul_double_with_sign, mul_double,
1798         lshift_double, rshift_double, lrotate_double, rrotate_double,
1799         div_and_round_double): Move prototypes ...
1800         * double-int.h: ... here.
1801
1802 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1803
1804         PR target/43742
1805         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1806         matching constraints to ensure inputs match the output.
1807
1808 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1809
1810         PR target/43742
1811         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1812         in an input-only operand.
1813
1814 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1815
1816         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1817         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1818         (double_int_negative_p): Convert to static inline function.
1819         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1820         (double_int_negative_p): Remove.
1821         * tree.h (lshift_double, rshift_double):
1822         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1823         * fold-const.c (fold_convert_const_int_from_real,
1824         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1825         (lshift_double): Change type of arith argument to bool.
1826         (rshift_double): Change type of arith argument to bool. Correct
1827         comment.
1828         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1829
1830 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1831
1832         PR target/21803
1833         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1834         at the start and end of the then/else blocks, and omit them from the
1835         conversion.
1836         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1837         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1838         (flow_find_head_matching_sequence): New function.
1839         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1840         * basic-block.h (flow_find_cross_jump,
1841         flow_find_head_matching_sequence): Declare functions.
1842
1843 2010-04-14  Jason Merrill  <jason@redhat.com>
1844
1845         PR c++/36625
1846         * c-common.c (attribute_takes_identifier_p): New fn.
1847         * c-common.h: Declare it.
1848
1849 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1850
1851         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1852         splitter condition.
1853         (*udivmod<mode>4): Ditto.
1854
1855 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1856
1857         * config/i386/i386.md (maxmin_int): Rename code attribute from
1858         maxminiprefix and update all users.
1859         (maxmin_float): Ditto from maxminfprefix.
1860         (logic): Ditto from logicprefix.
1861         (absneg_mnemonic): Ditto from absnegprefix.
1862         * config/i386/mmx.md: Update all users of maxminiprefix,
1863         maxminfprefix and logicprefix for rename.
1864         * config/i386/sse.md: Ditto.
1865         * config/i386/sync.md (sync_<code><mode>): Update for
1866         logicprefix rename.
1867
1868 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1869
1870         PR 42966
1871         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1872         warnings converted to errors.
1873
1874 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1875
1876         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1877         used insn_type variable.
1878         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1879         to avoid set-but-not-used warning.
1880
1881 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1882
1883         * df-core.c (df_ref_debug): Change format string placeholder
1884         from 0x%x to %#x.
1885         * dwarf2asm.c (dw2_asm_output_data_raw,
1886         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1887         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1888         * dwarf2out.c (output_cfi, output_cfi_directive,
1889         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1890         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1891         Ditto.
1892         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1893         * print-rtl.c (print_rtx): Ditto.
1894
1895 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1896
1897         PR middle-end/42694
1898         * builtins.c (expand_builtin_pow_root): New function to expand pow
1899         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1900         series of sqrt and cbrt calls under -ffast-math.
1901         (expand_builtin_pow): Call it.
1902
1903 2010-04-14  Michael Matz  <matz@suse.de>
1904
1905         PR tree-optimization/42963
1906         * tree-cfg.c (touched_switch_bbs): New static variable.
1907         (group_case_labels_stmt): New function broken out from ...
1908         (group_case_labels): ... here, use the above.
1909         (start_recording_case_labels): Allocate touched_switch_bbs.
1910         (end_recording_case_labels): Deallocate it, call
1911         group_case_labels_stmt.
1912         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1913
1914 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1915
1916         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1917         from insn template.
1918
1919 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1922
1923 2010-04-13  Jan Hubicka  <jh@suse.cz>
1924
1925         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1926         of optimized out static functions.
1927         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1928         cost computation.  Also sanity check for overflows.
1929         (update_caller_keys): Update cgraph_edge_badness call; properly
1930         update fibheap and sanity check that it is up to date.
1931         (add_new_edges_to_heap): Update cgraph_edge_badness.
1932         (cgraph_decide_inlining_of_small_function): Likewise;
1933         add sanity checking that badness in heap is up to date;
1934         improve dumping of reason; Update badness of calls to the
1935         offline copy of function currently inlined; dump badness
1936         of functions not inlined because of unit growth limits.
1937
1938 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1939
1940         PR middle-end/32628
1941         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1942         because of sign-extension change when converting to sizetype here...
1943         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1944
1945         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1946         the folding to constants.  Remove redundant final conversion.
1947         (fold_binary) <associate>: Do not associate if the re-association of
1948         constants alone overflows.
1949         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1950         to the end of the list.
1951         (multiple_of_p) <COND_EXPR>: New case.
1952
1953 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1954
1955         * opt-functions.awk (opt_sanitized_name): New.
1956         (opt_enum): New.
1957         * optc-gen.awk: Use it
1958         * opth-gen.awk: Use it.
1959
1960 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1961
1962         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1963         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1964         children.  Call replace_uses_with_default_def_ssa_name to handle
1965         SSA_NAES on lhs.
1966
1967 2010-04-13  Michael Matz  <matz@suse.de>
1968
1969         PR middle-end/43730
1970         * builtins.c (expand_builtin_interclass_mathfn): Also create
1971         a register if the predicate doesn't match.
1972
1973 2010-04-13  Diego Novillo  <dnovillo@google.com>
1974
1975         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1976         * c-pch.c: Include timevar.h.
1977         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1978         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1979         * ggc-common.c: Include timevar.h.
1980         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1981         * timevar.def (TV_PCH_SAVE): Define.
1982         (TV_PCH_CPP_SAVE): Define.
1983         (TV_PCH_PTR_REALLOC): Define.
1984         (TV_PCH_PTR_SORT): Define.
1985         (TV_PCH_RESTORE): Define.
1986         (TV_PCH_CPP_RESTORE): Define.
1987
1988 2010-04-13  Michael Matz  <matz@suse.de>
1989
1990         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1991         into MINUS_EXPRs.
1992         (can_reassociate_p): New function.
1993         (break_up_subtract_bb, reassociate_bb): Use it.
1994
1995 2010-04-13  Richard Guenther  <rguenther@suse.de>
1996
1997         PR bootstrap/43737
1998         * builtins.c (c_readstr): Fix assert.
1999
2000 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2003         when generating cltd insn.
2004
2005         (*ashl<mode>3_1): Remove special handling for register operand 2.
2006         (*ashlsi3_1_zext): Ditto.
2007         (*ashlhi3_1): Ditto.
2008         (*ashlhi3_1_lea): Ditto.
2009         (*ashlqi3_1): Ditto.
2010         (*ashlqi3_1_lea): Ditto.
2011         (*<shiftrt_insn><mode>3_1): Ditto.
2012         (*<shiftrt_insn>si3_1_zext): Ditto.
2013         (*<shiftrt_insn>qi3_1_slp): Ditto.
2014         (*<rotate_insn><mode>3_1): Ditto.
2015         (*<rotate_insn>si3_1_zext): Ditto.
2016         (*<rotate_insn>qi3_1_slp): Ditto.
2017
2018 2010-04-13  Richard Guenther  <rguenther@suse.de>
2019
2020         * tree-ssa-structalias.c (callused_id): Remove.
2021         (call_stmt_vars): New.
2022         (get_call_vi): Likewise.
2023         (lookup_call_use_vi): Likewise.
2024         (lookup_call_clobber_vi): Likewise.
2025         (get_call_use_vi): Likewise.
2026         (get_call_clobber_vi): Likewise.
2027         (make_transitive_closure_constraints): Likewise.
2028         (handle_const_call): Adjust to do per-call call-used handling.
2029         (handle_pure_call): Likewise.
2030         (find_what_var_points_to): Remove general callused handling.
2031         (init_base_vars): Likewise.
2032         (init_alias_vars): Initialize call_stmt_vars.
2033         (compute_points_to_sets): Process call-used and call-clobbered
2034         vars for call statements.
2035         (delete_points_to_sets): Free call_stmt_vars.
2036
2037 2010-04-13  Richard Guenther  <rguenther@suse.de>
2038
2039         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2040         Only add RW dependence for dependence distance zero.
2041         Adjust maximal vectorization factor according to dependences.
2042         Move alignment handling ...
2043         (vect_find_same_alignment_drs): ... here.  New function.
2044         (vect_analyze_data_ref_dependences): Adjust.
2045         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2046         (vect_analyze_data_refs): Adjust minimal vectorization factor
2047         according to data references.
2048         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2049         dependences before determining the vectorization factor.
2050         Analyze alignment after determining the vectorization factor.
2051         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2052         dependences before alignment.
2053         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2054         Adjust prototype.
2055         (vect_analyze_data_refs): Likewise.
2056         (MAX_VECTORIZATION_FACTOR): New define.
2057
2058 2010-04-13  Duncan Sands  <baldrick@free.fr>
2059
2060         * except.h (lang_eh_type_covers): Remove.
2061         * except.c (lang_eh_type_covers): Likewise.
2062
2063 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2064             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2065
2066         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2067         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2068         UNITS_PER_LONG where it is ABI relevant.
2069         (s390_return_addr_rtx): Likewise.
2070         (s390_back_chain_rtx): Likewise.
2071         (s390_frame_area): Likewise.
2072         (s390_frame_info): Likewise.
2073         (s390_initial_elimination_offset): Likewise.
2074         (save_gprs): Likewise.
2075         (s390_emit_prologue): Likewise.
2076         (s390_emit_epilogue): Likewise.
2077         (s390_function_arg_advance): Likewise.
2078         (s390_function_arg): Likewise.
2079         (s390_va_start): Likewise.
2080         (s390_gimplify_va_arg): Likewise.
2081         (s390_function_profiler): Likewise.
2082         (s390_optimize_prologue): Likewise.
2083         (s390_rtx_costs): Likewise.
2084         (s390_secondary_reload): Likewise.
2085         (s390_promote_function_mode): Likewise.
2086         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2087         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2088         registers available.
2089         (s390_unwind_word_mode): New function.
2090         (s390_function_value): Split 64 bit values into register pair if
2091         used as return value.
2092         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2093         function call parameters.  Handle parallels.
2094         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2095         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2096         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2097         (s390_expand_setmem): Remove unused variable src_addr.
2098         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2099         deal with 64 bit registers.
2100         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2101         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2102         (UNITS_PER_LONG): New macro.
2103         * libjava/include/s390-signal.h: Define extended ucontext
2104         structure containing the upper halfs of the 64 bit registers.
2105
2106 2010-04-13  Simon Baldwin  <simonb@google.com>
2107
2108         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2109
2110 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2111
2112         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2113         rvalue on the RHS if the LHS is of a non-renamable type.
2114         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2115
2116 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2117
2118         * gcc.c (cc1_options): Handle -iplugindir before processing
2119         the cc1 spec. Only add -iplugindir once.
2120         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2121         found.
2122         * common.opt (iplugindir): Remove `Separate' property, initialize.
2123         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2124         option.
2125         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2126         (distclean): Remove plugin dir.
2127         * doc/invoke.texi: Document -iplugindir.
2128
2129 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2130
2131         * doc/plugins.texi (Loading Plugins): Document short
2132         -fplugin=foo option.
2133         (Plugin API): Mention default_plugin_dir_name function.
2134
2135         * gcc.c (find_file_spec_function): Add new declaration.
2136         (static_spec_func): Use it for "find-file".
2137         (find_file_spec_function): Add new function.
2138         (cc1_options): Add -iplugindir option if -fplugin* options found.
2139
2140         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2141
2142         * plugin.c (add_new_plugin): Updated comment, and handle short
2143         plugin name.
2144         (default_plugin_dir_name): Added new function.
2145
2146         * common.opt (iplugindir): New option to set the plugin directory.
2147
2148 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2149
2150         * config/i386/i386.md (any_rotate): New code iterator.
2151         (rotate_insn): New code attribute.
2152         (rotate): Ditto.
2153         (SWIM124): New mode iterator.
2154         (<rotate_insn>ti3): New expander.
2155         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2156         any_rotate code iterator.
2157         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2158         using any_rotate code iterator and SWIM124 mode iterator.
2159         (ix86_rotlti3): New insn_and_split pattern.
2160         (ix86_rotrti3): Ditto.
2161         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2162         ix86_rotl{di,ti}3 patterns.
2163         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2164         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2165         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2166         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2167         code iterator and SWI mode iterator.
2168         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2169         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2170         code iterator.
2171         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2172         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2173         (bswap rotatert splitter): Add splitter.
2174         (bswap splitter): Macroize splitter using any_rotate code iterator.
2175         Add insn predicate to split only for TARGET_USE_XCHGB or when
2176         optimizing function for size.
2177
2178 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2179
2180         * config/pa/pa.c (emit_move_sequence): Remove use of
2181         deleted variable flag_argument_noalias.
2182
2183 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2184
2185         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2186         configurations.
2187         Add to unsupported targets list.
2188         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2189         sparc*-sun-solaris2.[567]* from target lists.
2190         * configure: Regenerate.
2191         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2192         removal.
2193         Remove Solaris 7 patch references.
2194         (Specific, sparc-sun-solaris2.7): Removed.
2195         (sparc-sun-solaris2*): Update Solaris 7 example.
2196         (sparc64-*-solaris2*): Likewise.
2197
2198 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2199
2200         * config.build (alpha*-dec-osf4*): Remove.
2201         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2202         of obsolete configurations.
2203         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2204         support.
2205         * config/alpha/t-osf4: Renamed to ...
2206         * config/alpha/t-osf5: ... this.
2207         * config/alpha/osf.h: Renamed to ...
2208         * config/alpha/osf5.h: ... this.
2209         Merged old osf5.h contents.
2210         Update comments.
2211         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2212         (EXTRA_SPECS): Removed.
2213         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2214         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2215         Document that.
2216
2217 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2218
2219         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2220
2221 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2222
2223         PR/43702
2224         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2225         __thiscall convention.
2226
2227 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2228
2229         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2230         orig_base.
2231         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2232
2233 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2234
2235         * function.c (assign_parms_initialize_all): Add unused attribute
2236         to fntype.
2237
2238 2010-04-12  Richard Guenther  <rguenther@suse.de>
2239
2240         * gsstruct.def (GSS_CALL): New.
2241         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2242         * gimple.h: Include tree-ssa-alias.h.
2243         (struct gimple_statement_call): New.
2244         (union gimple_statement_struct_d): Add gimple_call member.
2245         (gimple_call_reset_alias_info): Declare.
2246         (gimple_call_use_set): New function.
2247         (gimple_call_clobber_set): Likewise.
2248         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2249         * gimple.c (gimple_call_reset_alias_info): New function.
2250         (gimple_build_call_1): Call it.
2251         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2252         * tree-inline.c (remap_gimple_stmt): Likewise.
2253         (expand_call_inline): Remove callused handling.
2254         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2255         * tree-dfa.c (dump_variable): Likewise.
2256         * tree-parloops.c (parallelize_loops): Likewise.
2257         * tree-ssa.c (init_tree_ssa): Likewise.
2258         (delete_tree_ssa): Likewise.
2259         * tree-flow-inline.h (is_call_used): Remove.
2260         * tree-flow.h (struct gimple_df): Remove callused member.
2261         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2262         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2263         (ref_maybe_used_by_call_p_1): Simplify.
2264         (call_may_clobber_ref_p_1): Likewise.
2265         * tree-ssa-structalias.c (compute_points_to_sets): Set
2266         the call stmt used and clobbered sets.
2267         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2268         (find_tail_calls): Verify the tail call.
2269
2270 2010-04-12  Richard Guenther  <rguenther@suse.de>
2271
2272         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2273         single-iteration always-inline inlining.
2274         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2275         (cgraph_decide_inlining): Do not handle always-inline specially.
2276         (try_inline): Remove always-inline cycle detection special case.
2277         Do not recurse on always-inlines.
2278         (cgraph_early_inlining): Do not iterate if not optimizing.
2279         (cgraph_gate_early_inlining): remove.
2280         (pass_early_inline): Run unconditionally.
2281         (gate_cgraph_decide_inlining): New function.
2282         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2283         not inlining or optimizing.
2284         (cgraph_decide_inlining_of_small_functions): Also consider
2285         always-inline functions.
2286         (cgraph_default_inline_p): Return true for nodes which should
2287         disregard inline limits.
2288         (estimate_function_body_sizes): Assume zero size and time for
2289         nodes which are marked as disregarding inline limits.
2290         (cgraph_decide_recursive_inlining): Do not perform recursive
2291         inlining on always-inline nodes.
2292
2293 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2294
2295         PR bootstrap/43699
2296         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2297         for exprs satisfying handled_component_p.
2298
2299 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2300
2301         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2302         non-constant aggregate elements.
2303
2304         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2305         is a real initialization.
2306
2307 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2308
2309         PR c/36774
2310         * c-decl.c (start_function): Move forward check for nested function.
2311
2312 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2313
2314         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2315         * config/sh/sh.c: Include reload.h.
2316         (sh_legitimize_reload_address): New.
2317         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2318         sh_legitimize_reload_address.
2319
2320 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2321
2322         * config/sh/sh.md (*movqi_pop): New insn pattern.
2323         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2324
2325 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2326
2327         * config/i386/i386.md (any_shiftrt): New code iterator.
2328         (shiftrt_insn): New code attribute.
2329         (shiftrt): Ditto.
2330         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2331         using any_shiftrt code iterator.
2332         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2333         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2334         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2335         pattern from corresponding peephole2 patterns.
2336         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2337         using any_shiftrt code iterator.
2338         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2339         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2340         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2341         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2342         *{ashr,lshr}<mode>3_cmp_zext.
2343         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2344
2345 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2346
2347         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2348         scratch register.
2349         (*lshr<mode>3_cconly): Ditto.
2350
2351 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2352
2353         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2354         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2355         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2356         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2357         DWI mode iterator.
2358         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2359         from corresponding peephole2 patterns.
2360         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2361         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2362         and *lshrdi3_1_rex64 using SWI mode iterator.
2363         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2364         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2365         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2366         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2367         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2368         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2369         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2370         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2371         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2372         SWI mode iterator.
2373
2374 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2375
2376         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2377         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2378         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2379         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2380         DWI mode iterator.
2381         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2382         from corresponding peephole2 patterns.
2383         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2384         (ashrsi3_cvt): Rename from ashrsi3_31.
2385         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2386         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2387         and x86_64_shift_adj_3 using SWI48 mode iterator.
2388         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2389         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2390         and *ashrdi3_1_rex64 using SWI mode iterator.
2391         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2392         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2393         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2394         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2395         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2396         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2397         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2398         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2399         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2400         SWI mode iterator.
2401         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2402         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2403         x86_shift<mode>_adj_3 expanders.
2404
2405 2010-04-10  Wei Guozhi  <carrot@google.com>
2406
2407         PR target/42601
2408         * config/arm/arm.c (arm_pic_static_addr): New function.
2409         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2410         a static symbol.
2411         (arm_output_addr_const_extra): Output expression for new pattern.
2412         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2413
2414 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2415
2416         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2417         not enabled.
2418
2419         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2420         * web.c: Include "insn-config.h" and "recog.h".
2421         (union_match_dups): New function.
2422         (web_main): Call it.
2423         (union_defs): Don't try to recognize match_dups.
2424
2425         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2426         if doing so would replace the entire pattern.
2427
2428 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2429
2430         PR target/43707
2431         PR target/43709
2432         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2433         and splitter pattern.  Change splitter operand 1 predicate to
2434         nonmemory_operand.
2435
2436 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2437
2438         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2439         lattices are addresses of CONST_DECLs with the same initial value.
2440         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2441         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2442
2443 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2444             Bernd Schmidt  <bernds@codesourcery.com>
2445
2446         * loop-invariant.c (replace_uses): New static function.
2447         (move_invariant_reg): Use it to ensure we can replace the uses.
2448
2449 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2450
2451         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2452         function template.
2453         (picochip_override_options): Enable section anchors only above -O1.
2454         (picochip_reorg): Fixed a couple of build warnings.
2455
2456 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2457
2458         * configure.ac (plugin -rdynamic test): Log result.
2459         * configure: Regenerate.
2460         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2461         (RDYNAMIC_SPEC): Define.
2462         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2463
2464 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2465
2466         * configure.ac: Determine Sun ld version numbers.
2467         (comdat_group): Restrict GNU ld version checks to gld.
2468         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2469         (enable_comdat): Support --enable-comdat.
2470         * configure: Regenerate.
2471         * doc/install.texi (Configuration): Document --enable-comdat.
2472
2473 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2474
2475         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2476         * config/sol2-gld.h: ... here.
2477         * config.gcc (sparc*-*-solaris2*): Reflect this.
2478         (i[34567]86-*-solaris2*): Use it.
2479
2480 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2481
2482         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2483         setup_clocks_p.
2484         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2485
2486 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2487
2488         PR 42965
2489         * diagnostic.c (diagnostic_initialize): Initialize
2490         some_warnings_are_errors.
2491         (diagnostic_finish): New.
2492         (diagnostic_action_after_output): Call it before exiting.
2493         (diagnostic_report_diagnostic): Do not print message here. Set
2494         some_warnings_are_errors.
2495         * diagnostic.h (diagnostic_context): Delete
2496         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2497         (diagnostic_finish): Declare.
2498         * toplev.c (toplev_main): Call it before exit.
2499
2500 2010-04-09  Jason Merrill  <jason@redhat.com>
2501
2502         PR c++/42623
2503         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2504         for incomplete type.
2505
2506         PR c++/41788
2507         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2508         based on a warning flag.
2509
2510 2010-04-09  Richard Guenther  <rguenther@suse.de>
2511
2512         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2513
2514 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2515
2516         PR bootstrap/43684
2517         * varasm.c (default_assemble_visibility): Wrap vars that are
2518         set, but unused, by targets without GAS.
2519         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2520         Remove set, but unused, vars.
2521         (rs6000_legitimize_tls_address): Likewise.
2522         (altivec_expand_dst_builtin): Likewise.
2523         * config/darwin.c (machopic_classify_symbol): Likewise.
2524         (machopic_indirection_name): Likewise.
2525
2526 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2527
2528         * config/i386/i386.md (DWI): New mode iterator.
2529         (S): New mode attribute.
2530         (shift_operand): Ditto.
2531         (shift_immediate_operand): Ditto.
2532         (ashl_input_operand): Ditto.
2533         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2534         using SDWIM mode iterator.
2535         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2536         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2537         DWI mode iterator.
2538         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2539         from corresponding peephole2 patterns.
2540         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2541         and x86_64_shift_adj_1 using SWI48 mode iterator.
2542         (x86_shift<mode>_adj_2): Ditto.
2543         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2544         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2545         using SWI48 mode iterator.
2546         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2547         *ashldi3_cmp_rex64 using SWI mode iterator.
2548         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2549         *ashldi3_cconly_rex64 using SWI mode iterator.
2550         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2551         x86_shift<mode>_adj_{1,2}.
2552         (ix86_split_ashr): Ditto.
2553         (ix86_split_lshr): Ditto.
2554
2555 2010-04-09  Richard Guenther  <rguenther@suse.de>
2556
2557         * target.h (builtin_conversion): Pass in input and output types.
2558         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2559         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2560         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2561         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2562
2563         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2564         Handle AVX modes.
2565         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2566
2567 2010-04-09  Richard Guenther  <rguenther@suse.de>
2568
2569         PR target/43152
2570         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2571
2572 2010-04-09  Richard Guenther  <rguenther@suse.de>
2573
2574         * tree-vectorizer.h (struct _stmt_vec_info): Document
2575         that vectype is the type of the LHS.
2576         (supportable_widening_operation, supportable_narrowing_operation):
2577         Get both input and output vector types as arguments.
2578         (vect_is_simple_use_1): Declare.
2579         (get_same_sized_vectype): Likewise.
2580         * tree-vect-loop.c (vect_determine_vectorization_factor):
2581         Set STMT_VINFO_VECTYPE to the vector type of the def.
2582         (vectorizable_reduction): Adjust.
2583         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2584         Adjust.  Specify the output vector type.
2585         (vect_pattern_recog_1): Adjust.
2586         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2587         (vectorizable_call): Adjust.
2588         (vectorizable_conversion): Likewise.
2589         (vectorizable_operation): Likewise.
2590         (vectorizable_type_demotion): Likewise.
2591         (vectorizable_type_promotion): Likewise.
2592         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2593         the def.
2594         (vect_is_simple_use_1): New function.
2595         (supportable_widening_operation): Get both input and output
2596         vector types.
2597         (supportable_narrowing_operation): Likewise.
2598         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2599
2600 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2601
2602         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2603         __thiscall and _thiscall as predefined macros.
2604         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2605         thiscall attribute handling.
2606         (ix86_comp_type_attributes): Likewise.
2607         (ix86_function_regparm): Likewise.
2608         (ix86_return_pops_args): Likewise.
2609         (init_cumulative_args): Likewise.
2610         (find_drap_reg): Likewise.
2611         (ix86_static_chain): Likewise.
2612         (x86_this_parameter): Likewise.
2613         (x86_output_mi_thunk): Likewise.
2614         (ix86_attribute_table): Add description for thiscall attribute.
2615         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2616         * doc/extend.texi: Add documentation for thiscall.
2617
2618 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2619
2620         PR c++/28584
2621         * c.opt (Wint-to-pointer-cast): Available in C++.
2622         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2623
2624 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2625
2626         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2627         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2628         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2629         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2630         function type instead.  Reorder and simplify checks.
2631
2632         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2633
2634 2010-04-08  Jing Yu  <jingyu@google.com>
2635             Zdenek Dvorak  <ook@ucw.cz>
2636
2637         PR tree-optimization/42720
2638         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2639         loop unswitch conditions here from ...
2640         (tree_unswitch_single_loop): ... here.
2641
2642 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2643
2644         * tree-if-conv.c: Fix comments and simplify logic.
2645
2646 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2649         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2650         (main_tree_if_conversion): Update call to tree_if_conversion.
2651
2652 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2653
2654         PR 42485
2655         * doc/invoke.texi (-b,-V): Delete.
2656         * doc/tm.texi: Do not mention -b.
2657         * gcc.c (display_help): Delete -b and -V.
2658         (process_command): Delete -b and -V.
2659         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2660
2661 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2662             Wolfgang Gellerich  <gellerich@de.ibm.com>
2663
2664         Implement target hook for loop unrolling
2665         * target.h (loop_unroll_adjust): Add a new target hook function.
2666         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2667         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2668         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2669         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2670         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2671         target hook.
2672         (decide_unroll_stupid): Likewise.
2673
2674 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2675
2676         PR target/43643
2677         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2678
2679 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2680
2681         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2682         (Specific, *-*-solaris2*): Likewise.
2683         Don't prefer Sun as over GNU as.
2684
2685 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2686
2687         * config/s390/s390.c (override_options): Adjust the z10
2688           defaults for max-unroll-times, max-completely-peeled-insns
2689           and max-completely-peel-times.
2690
2691 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2692
2693         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2694         instructions for z10.
2695         (s390_expand_setmem): Likewise.
2696         (s390_expand_cmpmem): Likewise.
2697
2698 2010-04-08  Richard Guenther  <rguenther@suse.de>
2699
2700         PR tree-optimization/43679
2701         * tree-ssa-pre.c (eliminate): Only propagate copies.
2702
2703 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2704
2705         PR bootstrap/43681
2706         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2707         set but not used variable warning.
2708
2709 2010-04-08  Wei Guozhi  <carrot@google.com>
2710
2711         PR target/41653
2712         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2713         (arm_size_rtx_costs): Call the new function when optimized for size.
2714
2715 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2716
2717         PR debug/43670
2718         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2719         op0 is not a MEM, just return NULL instead of assertion
2720         failure.
2721         (discover_nonconstant_array_refs): Don't walk debug stmts.
2722
2723 2010-04-08  Doug Kwan  <dougkwan@google.com>
2724
2725         * configure.ac: Recognize gold and do not use its version number
2726         to test ld features.
2727         * configure: Regenerate.
2728
2729 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2730
2731         PR middle-end/40815
2732         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2733         (negate_value): Move code to push elements to broken_up_substracts ...
2734         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2735         negative pair to plus_negates.
2736         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2737
2738 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2739
2740         * doc/install.texi (Configuration): Move description of
2741         --enable-lto, --with-libelf*, --enable-gold from Java section to
2742         general section.
2743
2744         * doc/generic.texi (Working with declarations)
2745         (Function Properties, C and C++ Trees): Fix typos.
2746         * doc/sourcebuild.texi (Top Level): Likewise.
2747
2748 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2749
2750         PR c/18624
2751         * tree.h (DECL_READ_P): Define.
2752         (struct tree_decl_common): Add decl_read_flag.
2753         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2754         a set but not used warning.
2755         (merge_decls): Merge DECL_READ_P flag.
2756         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2757         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2758         * c-common.c (handle_used_attribute, handle_unused_attribute):
2759         Likewise.
2760         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2761         New prototypes.
2762         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2763         New functions.
2764         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2765         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2766         c_parser_binary_expression, c_parser_cast_expression,
2767         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2768         Call default_function_array_read_conversion instead of
2769         default_function_array_conversion where needed.
2770         (c_parser_unary_expression, c_parser_conditional_expression,
2771         c_parser_postfix_expression_after_primary, c_parser_initelt):
2772         Likewise.  Call mark_exp_read where needed.
2773         (c_parser_statement_after_labels, c_parser_asm_operands,
2774         c_parser_typeof_specifier, c_parser_sizeof_expression,
2775         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2776         where needed.
2777         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2778         New.
2779         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2780         (warn_unused_but_set_parameter): Default to warn_unused
2781         && extra_warnings.
2782         * doc/invoke.texi: Document -Wunused-but-set-variable and
2783         -Wunused-but-set-parameter.
2784
2785         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2786         used count variable.
2787         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2788         when operandN variables aren't used in the body of the expander
2789         or splitter.
2790         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2791         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2792         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2793         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2794         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2795         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2796         * tree.c (PROCESS_ARG): Likewise.
2797
2798 2010-04-07  Simon Baldwin  <simonb@google.com>
2799
2800         * diagnostic.h (diagnostic_override_option_index): New macro to
2801         set a diagnostic's option_index.
2802         * c-tree.h (c_cpp_error): Add warning reason argument.
2803         * opts.c (_warning_as_error_callback): New.
2804         (register_warning_as_error_callback): Store callback for
2805         warnings enabled via enable_warning_as_error.
2806         (enable_warning_as_error): Call callback, minor code tidy.
2807         * opts.h (register_warning_as_error_callback): Declare.
2808         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2809         response to -Werror=.
2810         (c_common_init_options): Register warning_as_error_callback in opts.c.
2811         * common.opt: Add -Wno-cpp option.
2812         * c-common.c (struct reason_option_codes_t): Map cpp warning
2813         reason codes to gcc option indexes.
2814         * (c_option_controlling_cpp_error): New function, lookup the gcc
2815         option index for a cpp warning reason code.
2816         * (c_cpp_error): Add warning reason argument, call
2817         c_option_controlling_cpp_error for diagnostic_override_option_index.
2818         * doc/invoke.texi: Document -Wno-cpp.
2819
2820 2010-04-07  Richard Guenther  <rguenther@suse.de>
2821
2822         * ipa-reference.c (mark_load): Use get_base_address.
2823         (mark_store): Likewise.
2824
2825         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2826         inserting GIMPLE_NOPs into the IL.
2827         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2828         Explicitly strip handled components and indirect references.
2829
2830         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2831         folding address expressions.
2832         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2833         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2834         operand_equal_p to compare decls.
2835         (ptr_deref_may_alias_decl_p): Likewise.
2836         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2837         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2838         Handle reversed comparison ops.
2839         * tree-sra.c (asm_visit_addr): Use get_base_address.
2840         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2841         * ipa-reference.c (mark_address): Use get_base_address.
2842
2843 2010-04-07  Richard Guenther  <rguenther@suse.de>
2844
2845         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2846         Propagate constants everywhere.
2847
2848 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2849
2850         PR debug/43516
2851         * tree.c (MAX_INT_CACHED_PREC): Define.
2852         (nonstandard_integer_type_cache): New array.
2853         (build_nonstandard_integer_type): Cache results for precision
2854         <= MAX_INT_CACHED_PREC.
2855
2856 2010-04-07  Richard Guenther  <rguenther@suse.de>
2857
2858         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2859         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2860         * common.opt: Likewise.
2861         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2862         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2863         (nonoverlapping_memrefs_p): Likewise.
2864         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2865         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2866         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2867         OPT_fargument_noalias_global for backward compatibility.
2868
2869 2010-04-07  Richard Guenther  <rguenther@suse.de>
2870
2871         PR tree-optimization/43270
2872         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2873         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2874         * tree-ssa-pre.c (phi_translate_1): Adjust.
2875         (fully_constant_expression): Split out vn_reference handling to ...
2876         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2877         Fold reads from constant strings.
2878         (vn_reference_lookup): Handle fully constant references.
2879         (vn_reference_lookup_pieces): Likewise.
2880         * Makefile.in (expmed.o-warn): Add -Wno-error.
2881
2882 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2883
2884         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2885
2886 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2887
2888         PR driver/41594
2889         * gcc.c: Add -static-libstdc++ to list of recognized options.
2890
2891 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2892
2893         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2894
2895 2010-04-07  Richard Guenther  <rguenther@suse.de>
2896
2897         PR middle-end/42617
2898         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2899         bases build simple mem attributes to retain points-to information.
2900
2901 2010-04-07  Richard Guenther  <rguenther@suse.de>
2902
2903         PR middle-end/42617
2904         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2905         preserve points-to related information.
2906
2907 2010-04-07  Richard Guenther  <rguenther@suse.de>
2908
2909         PR middle-end/42617
2910         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2911         discard plain indirect references.
2912         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2913         * tree.c (tree_nop_conversion): Likewise.
2914
2915 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2916
2917         PR debug/43628
2918         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2919
2920 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2921
2922         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2923         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2924
2925 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2926
2927         * tree-if-conv.c: Fix indentation and comments.
2928
2929 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2930
2931         * tree-if-conv.c: Sort static functions in topological order.
2932
2933 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2934
2935         * tree-if-conv.c: Fix indentation and comments.
2936
2937 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2938
2939         PR middle-end/43519
2940         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2941         lang_hooks.types.type_for_size instead of
2942         build_nonstandard_integer_type.
2943         When converting an unsigned type to signed, double its precision.
2944         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2945         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2946         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2947         use lb <= ub.
2948
2949 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2950
2951         PR middle-end/43519
2952         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2953         POINTER_PLUS_EXPR for pointer types.
2954
2955 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         PR middle-end/43519
2958         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2959         * graphite-clast-to-gimple.c: Include langhooks.h.
2960         (max_signed_precision_type): New.
2961         (max_precision_type): Takes two types as arguments.
2962         (precision_for_value): New.
2963         (precision_for_interval): New.
2964         (gcc_type_for_interval): New.
2965         (gcc_type_for_value): New.
2966         (gcc_type_for_clast_term): New.
2967         (gcc_type_for_clast_red): New.
2968         (gcc_type_for_clast_bin): New.
2969         (gcc_type_for_clast_expr): Split up into several functions.
2970         (gcc_type_for_clast_eq): Rewritten.
2971         (compute_bounds_for_level): New.
2972         (compute_type_for_level_1): New.
2973         (compute_type_for_level): New.
2974         (gcc_type_for_cloog_iv): Removed.
2975         (gcc_type_for_iv_of_clast_loop): Rewritten.
2976         (graphite_create_new_loop): Compute the lower and upper bound types
2977         with gcc_type_for_clast_expr.
2978         (graphite_create_new_loop_guard): Same.
2979         (find_cloog_iv_in_expr): Removed.
2980         (compute_cloog_iv_types_1): Removed.
2981         (compute_cloog_iv_types): Removed.
2982         (gloog): Do not call compute_cloog_iv_types.
2983         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2984         GBB_CLOOG_IV_TYPES.
2985         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2986         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2987         (GBB_CLOOG_IV_TYPES): Removed.
2988
2989 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2990
2991         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2992         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2993         (detect_commutative_reduction): Same.
2994
2995 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2996
2997         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2998         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2999         argument.
3000         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3001         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3002         (rewrite_commutative_reductions_out_of_ssa): Same.
3003         * passes.c (execute_function_todo): Call verify_ssa for every pass
3004         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3005         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3006         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3007         with an extra argument.
3008         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3009         verify_ssa only when the extra argument is true.
3010         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3011         with an extra argument.
3012         (tree_transform_and_unroll_loop): Same.
3013
3014 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3015
3016         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3017         for all the passes of the LNO having LOOP_CLOSED_SSA.
3018         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3019         * tree-loop-distribution.c (pass_loop_distribution): Same.
3020         * tree-pass.h (TODO_verify_loops): Removed.
3021         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3022         (pass_lim): Same.
3023         (pass_tree_unswitch): Same.
3024         (pass_predcom): Same.
3025         (pass_vectorize): Same.
3026         (pass_linear_transform): Same.
3027         (pass_graphite_transforms): Same.
3028         (pass_iv_canon): Same.
3029         (pass_complete_unroll): Same.
3030         (pass_complete_unrolli): Same.
3031         (pass_parallelize_loops): Same.
3032         (pass_loop_prefetch): Same.
3033         (pass_iv_optimize): Same.
3034
3035 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3036
3037         PR middle-end/32824
3038         * passes.c (init_optimization_passes): Move pass_lim before
3039         pass_copy_prop and pass_dce_loop.
3040
3041 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3042
3043         PR target/43667
3044         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3045         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3046         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3047         MULTI_* defines for 4 argument vpermil2p* builtins.
3048
3049 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3050
3051         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3052         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3053         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3054         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3055         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3056         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3057         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3058         Use x86_maybe_negate_const_int to output insn mnemonic.
3059         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3060         check from instruction predicate.  Update comments.
3061         * config/i386/sync.md (sync_add<mode>): Use
3062         x86_maybe_negate_const_int to output insn mnemonic.
3063
3064 2010-04-06  Jan Hubicka  <jh@suse.cz>
3065
3066         PR tree-optimization/42906
3067         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3068         IGNORE_SELF argument.  Set visited_control_parents for fully
3069         processed BBs.
3070         (find_obviously_necessary_stmts): Update call of
3071         mark_control_dependent_edges_necessary.
3072         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3073
3074 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3075
3076         * config/i386/i386.md: Remove comment about 'e' and 'E'
3077         operand modifier.
3078
3079 2010-04-06  Richard Guenther  <rguenther@suse.de>
3080
3081         PR tree-optimization/43627
3082         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3083         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3084         not varying.
3085
3086 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3087
3088         * BASE-VER: Change to 4.6.0.
3089
3090         PR target/43638
3091         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3092         handling.
3093
3094 2010-04-06  Richard Guenther  <rguenther@suse.de>
3095
3096         PR middle-end/43661
3097         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3098
3099 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3100
3101         * doc/invoke.texi (Optimize Options): Document that LTO
3102         won't remove object access purely due to incompatible
3103         declarations.
3104
3105 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3106
3107         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3108         Initialize variable.
3109
3110 2010-04-03  Richard Guenther  <rguenther@suse.de>
3111
3112         PR middle-end/42509
3113         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3114         require a non-NULL MEM_OFFSET.
3115
3116 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3117
3118         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3119         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3120         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3121         config/alpha/predicates.md, config/arm/arm.md,
3122         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3123         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3124         config/darwin9.h, config/darwin.c, config/darwin.h,
3125         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3126         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3127         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3128         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3129         config/mips/mips.md, config/mn10300/mn10300.c,
3130         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3131         config/rs6000/aix.h, config/rs6000/dfp.md,
3132         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3133         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3134         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3135         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3136         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3137         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3138         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3139         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3140         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3141         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3142         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3143         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3144         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3145         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3146         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3147         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3148         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3149         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3150         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3151         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3152         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3153         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3154         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3155         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3156         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3157         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3158         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3159         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3160         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3161         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3162         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3163         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3164         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3165         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3166         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3167         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3168
3169 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3170
3171         PR other/43620
3172         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3173         * aclocal.m4: Regenerate.
3174
3175 2010-04-02  Richard Guenther  <rguenther@suse.de>
3176
3177         PR tree-optimization/43629
3178         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3179         if we have seen a constant value.
3180
3181 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3182
3183         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3184
3185 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3186
3187         PR target/43469
3188         * arm.c (legitimize_tls_address): Adjust call to
3189         gen_tls_load_dot_plus_four.
3190         (arm_note_pic_base): New function.
3191         (arm_cannot_copy_insn_p): Use it.
3192         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3193         constraint.
3194
3195 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3196
3197         PR bootstrap/43531
3198
3199         Revert:
3200         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3201
3202         * Makefile.in ($(out_object_file)): Depend on
3203         gt-$(basename $(notdir $(out_file))).h.
3204
3205 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3206
3207         * config.gcc (lm32-*-rtems*): Add t-lm32.
3208
3209 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3210
3211         * config.gcc: Add lm32-*-rtems*.
3212         * config/lm32/rtems.h: New file.
3213
3214 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3215
3216         PR target/42609
3217         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3218
3219 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3220
3221         * dwarf2out.c (output_compilation_unit_header): For
3222         -gdwarf-4 use version 4 instead of version 3.
3223         (output_line_info): For version 4 and above emit additional
3224         maximum ops per insn header field.
3225         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3226
3227         * dwarf2out.c (is_c_family, is_java): Remove.
3228         (lower_bound_default): New function.
3229         (add_bound_info, gen_descr_array_type_die): Use it.
3230
3231 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3232
3233         PR debug/43325
3234         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3235         re-declaration when it happens in a function.
3236
3237 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3238
3239         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3240         (cgraph_remove_function_insertion_hook): Same.
3241         (cgraph_call_function_insertion_hooks): Same.
3242
3243 2010-04-01  Richard Guenther  <rguenther@suse.de>
3244
3245         PR middle-end/43614
3246         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3247         and TREE_THIS_VOLATILE.
3248         (copy_ref_info): Likewise.
3249         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3250         * tree.c (build6_stat): Ignore side-effects of all but arg5
3251         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3252         TARGET_MEM_REF.
3253
3254 2010-04-01  Richard Guenther  <rguenther@suse.de>
3255
3256         PR tree-optimization/43607
3257         * ipa-type-escape.c (check_call): Do not access non-existing
3258         arguments.
3259
3260 2010-04-01  Richard Guenther  <rguenther@suse.de>
3261
3262         PR middle-end/43602
3263         Revert
3264         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3265                     Jack Howarth <howarth@bromo.med.uc.edu>
3266
3267         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3268         variables TLS.
3269
3270 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3271
3272         * doc/install.texi (Prerequisites): Document libelf usability on
3273         IRIX 5/6 and Solaris 2.
3274         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3275         Update GNU as, GNU ld requirements.
3276         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3277         Document Sun Studio compiler download.
3278         Update and simplify as, ld recommendations.
3279         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3280
3281 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3282
3283         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3284         with_tune_32 to pentium4.
3285
3286 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3287
3288         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3289
3290 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3291
3292         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3293         obsoletion, removal.
3294         Update IDO URL.
3295         Document GNU as requirement.
3296         Update configure requirements.
3297         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3298         Recomment IRIX 6.5.18+.
3299         Document IDF/IDL requirement.
3300         Document GNU as requirement.
3301         Document GNU ld bootstrap failure.
3302         Remove freeware.sgi.com reference.
3303
3304 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3305
3306         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3307         UNIX V4.0, V5.0 obsoletion, removal.
3308         Remove --with-gc=simple reference.
3309         Update VM requirements during bootstrap.
3310         Remove -oldas bootstrap description.
3311         Update binutils reference.
3312         Remove comparison failure note.
3313
3314 2010-03-31  Richard Guenther  <rguenther@suse.de>
3315             Zdenek Dvorak  <ook@ucw.cz>
3316             Sebastian Pop  <sebastian.pop@amd.com>
3317
3318         PR middle-end/43464
3319         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3320         with multiple arguments.
3321         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3322
3323 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3324
3325         * graphite-dependences.c (print_pddr): Call print_pdr with an
3326         extra argument.
3327         * graphite-poly.c (debug_pdr): Add an extra argument for the
3328         verbosity level.
3329         (print_pdr): Same.
3330         (print_pbb_domain): Same.
3331         (print_pbb): Same.
3332         (print_scop_context): Same.
3333         (print_scop): Same.
3334         (print_cloog): Same.
3335         (debug_pbb_domain): Same.
3336         (debug_pbb): Same.
3337         (print_pdrs): Same.
3338         (debug_pdrs): Same.
3339         (debug_scop_context): Same.
3340         (debug_scop): Same.
3341         (debug_cloog): Same.
3342         (print_scop_params): Same.
3343         (debug_scop_params): Same.
3344         (print_iteration_domain): Same.
3345         (print_iteration_domains): Same.
3346         (debug_iteration_domain): Same.
3347         (debug_iteration_domains): Same.
3348         (print_scattering_function): Same.
3349         (print_scattering_functions): Same.
3350         (debug_scattering_function): Same.
3351         (debug_scattering_functions): Same.
3352         * graphite-poly.h (debug_pdr): Update declaration.
3353         (print_pdr): Same.
3354         (print_pbb_domain): Same.
3355         (print_pbb): Same.
3356         (print_scop_context): Same.
3357         (print_scop): Same.
3358         (print_cloog): Same.
3359         (debug_pbb_domain): Same.
3360         (debug_pbb): Same.
3361         (print_pdrs): Same.
3362         (debug_pdrs): Same.
3363         (debug_scop_context): Same.
3364         (debug_scop): Same.
3365         (debug_cloog): Same.
3366         (print_scop_params): Same.
3367         (debug_scop_params): Same.
3368         (print_iteration_domain): Same.
3369         (print_iteration_domains): Same.
3370         (debug_iteration_domain): Same.
3371         (debug_iteration_domains): Same.
3372         (print_scattering_function): Same.
3373         (print_scattering_functions): Same.
3374         (debug_scattering_function): Same.
3375         (debug_scattering_functions): Same.
3376
3377 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * graphite-poly.c (print_scattering_function_1): New.
3380         (print_scattering_function): Call it.
3381         (print_scop_params): Remove spaces at the end of lines.
3382         (print_cloog): New.
3383         (debug_cloog): New.
3384         * graphite-poly.h (print_cloog): Declared.
3385         (debug_cloog): Declared.
3386
3387 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3388
3389         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3390         in loop->header.
3391         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3392         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3393         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3394         to switch between adding the IV bump in loop->latch or in loop->header.
3395
3396 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3397
3398         * graphite-poly.c (print_scattering_function): Pretty print following
3399         the scoplib format.
3400         (print_pdr): Same.
3401         (print_pbb_domain): Same.
3402         (dump_gbb_cases): Same.
3403         (dump_gbb_conditions): Same.
3404         (print_pdrs): Same.
3405         (print_pbb): Same.
3406         (print_scop_params): Same.
3407         (print_scop_context): Same.
3408         (print_scop): Same.
3409         (print_pbb_body): New.
3410         (lst_indent_to): New.
3411         (print_lst): Start new lines with a #.
3412         * graphite-poly.h (pbb_bb): New.
3413         (pbb_index): Use pbb_bb.
3414         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3415         disjuncts.
3416         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3417
3418 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3419
3420         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3421         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3422         and 0 instead of 1 for dw_val_class_flag.
3423         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3424         dw_val_class_range_list, dw_val_class_loc_list,
3425         dw_val_class_lineptr and dw_val_class_macptr, use
3426         DW_FORM_flag_present for dw_val_class_flag and
3427         DW_FORM_exprloc for dw_val_class_loc.
3428         (output_die): For -gdwarf-4 print dw_val_class_loc