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1 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
2
3         * target.h (struct calls): Add function_value_regno_p field.
4         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
5         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
6         * targhooks.c (default_function_value_regno_p): New function.
7         * targhooks.h (default_function_value_regno_p): Declare function.
8         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
9         * builtins.c. (apply_result_size): (Ditto.).
10         * combine.c. (likely_spilled_retval_p): (Ditto.).
11         * mode-switching.c. Include 'target.h'.
12         (create_pre_exit): Use function_value_regno_p hook.
13         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
14         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
15         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
16
17         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
18         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
19         (ix86_function_value_regno_p): Declare as static, change argument
20         type to const unsigned int.
21         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
22
23 2010-05-01  Richard Guenther  <rguenther@suse.de>
24
25         PR tree-optimization/43949
26         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
27         types.
28         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
29
30 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
31
32         * rtl.h (CONST_DOUBLE_P): Define.
33         (rtx_to_double_int): Declare.
34         * emit-rtl.c (rtx_to_double_int): New function.
35         * dwarf2out.c (insert_double): New function.
36         (loc_descriptor, add_const_value_attribute): Clean up, use
37         rtx_to_double_int and insert_double functions.
38
39 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
40
41         * doc/extend.texi (Inline): Add missing return keyword to examples.
42         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
43         "command-line".
44
45 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
46
47         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
48         the variable part of the offset as well.  Use highest_pow2_factor for
49         all alignment checks.
50
51 2010-04-30  Richard Guenther  <rguenther@suse.de>
52
53         PR tree-optimization/43879
54         * tree-ssa-structalias.c (type_could_have_pointers): Functions
55         can have pointers.
56
57 2010-04-30  Jan Hubicka  <jh@suse.cz>
58
59         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
60         varpool.
61         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
62
63 2010-04-30  Jan Hubicka  <jh@suse.cz>
64
65         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
66         New.
67         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
68         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
69         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
70         cgraph_node_set_needs_ltrans_p): Remove.
71
72 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
73
74         * sdbout.c: Include vec.h, do not include varray.h.
75         (deferred_global_decls, sdbout_global_decl,
76         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
77         * toplev.c: Do not include varray.h.
78         (dump_memory_report): Do not dump VARRAY statistics.
79         * gengtype.c (open_base_file): Ignore varray.h.
80         * Makefile.in: Update for abovementioned changes.
81         Remove all traces of varray.c and varray.h.
82         * varray.c: Remove file.
83         * varray.h: Remove file.
84
85 2010-04-30  Jan Hubicka  <jh@suse.cz>
86
87         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
88         references.
89
90 2010-04-30  Jan Hubicka  <jh@suse.cz>
91
92         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
93         needed.
94
95 2010-04-30  Richard Guenther  <rguenther@suse.de>
96
97         * tree-ssa-structalias.c (get_constraint_for_1): Generate
98         constraints for CONSTRUCTOR.
99
100 2010-04-30  Richard Guenther  <rguenther@suse.de>
101
102         PR lto/43946
103         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
104         first after all lowering passes.
105
106 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
107
108         * toplev.c: Include varray.h for statistics dumping.
109         * tree.h: Do not declare varray_head_tag.
110         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
111         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
112         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
113         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
114         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
115         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
116         c-common.c, c-common.h, reg-stack.c, basic-block.h,
117         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
118         include varray.h.
119         * Makefile.in: Update for abovementioned changes.
120
121 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
122
123         PR debug/43942
124         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
125
126 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
127
128         * config/picochip/picochip.c (picochip_legitimize_address): Define.
129         Use this function to do machine-specific conversion.
130         (picochip_legitimize_reload_address): Likewise.
131         (picochip_legitimate_address_p): Check valid base register only if
132         strict.
133         (picochip_check_conditional_copy): Check for modw only if opnd is
134         register.
135         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
136         to call the function in c.
137         * config/picochip/picochip-protos.h
138         (picochip_legitimize_reload_address): Define.
139         * config/picochip/picochip.md (supported_compare1): Define.
140
141 2010-04-30  Jan Hubicka  <jh@suse.cz>
142
143         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
144         (cgraph_global_info): Remove inlined.
145         (LTO_cgraph_tag_names): Remove.
146         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
147         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
148         simplify cgraph tags and document.
149         (lto_output_node): Use only LTO_cgraph_unavail_node and
150         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
151         for_functions_valid, global info, process and output
152         flags.
153         (input_overwrite_node): Initialize estimated stack size and
154         estimated growth.
155         Do not read flags we no longer store.
156         (input_node): Likewise do not read info no longer stored.
157         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
158         flag.
159
160 2010-04-30  Richard Guenther  <rguenther@suse.de>
161
162         PR tree-optimization/43879
163         * tree-ssa-structalias.c (get_constraint_for_1): Properly
164         handle non-zero initializers.
165
166 2010-04-30  Richard Guenther  <rguenther@suse.de>
167
168         * builtins.c (fold_builtin_1): Delete free (0).
169
170 2010-04-29  Jan Hubicka  <jh@suse.cz>
171
172         * gengtype.c (open_base_files): Add lto-streamer.h
173         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
174         (pass_ipa_cp): GGC collect.
175         * toplev. (compile_file): Do not output symbols.
176         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
177         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
178         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
179         * lto-section-in.c: Include ggc.h
180         (lto_new_in_decl_state): Alloc in GGC.
181         (lto_delete_in_decl_state): Likewise.
182         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program): Collect.
183
184 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
185
186         PR target/42895
187         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
188         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
189         (HONOR_REG_ALLOC_ORDER): Describe new macro.
190         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
191         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
192         account only if HONOR_REG_ALLOC_ORDER is not defined.
193         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
194         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
195         
196 2010-04-29  Jon Grant <04@jguk.org>
197         
198         * collect2.c (vflag): Change type from int to bool.
199         (debug): Likewise.
200         (helpflag): New global bool.
201         (main): Set vflag and debug with boolean, not integer truth
202         values.  Accept new "--help" option and output usage text if
203         found.
204         * collect2.h (vflag): Update prototype.
205         (debug): Likewise.
206         
207 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
208
209         PR bootstrap/43936
210         * plugin.h (flag_plugin_added): Moved out of
211         invoke_plugin_callbacks.
212
213 2010-04-29  Richard Guenther  <rguenther@suse.de>
214
215         PR bootstrap/43935
216         * plugin.h (invoke_plugin_callbacks): Annotate arguments
217         with ATTRIBUTE_UNUSED.
218
219 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
220
221         PR target/43921
222         * config/i386/i386.c (get_some_local_dynamic_name): Replace
223         INSN_P with NONDEBUG_INSN_P.
224         (distance_non_agu_define): Likewise.
225         (distance_agu_use): Likewise.
226
227 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
228
229         From Dominique d'Humieres <dominiq@lps.ens.fr>
230         PR bootstrap/43858
231         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
232         test_set.
233
234 2010-04-29  Brian Hackett   <bhackett1024@gmail.com>
235
236         * plugin.h (invoke_plugin_callbacks): New inline function.
237         * plugin.c (flag_plugin_added): New global flag.
238         (add_new_plugin): Initialize above flag.
239         (invoke_plugin_callbacks): Rename to ...
240         (invoke_plugin_callbacks_full): ... this.
241
242 2010-04-28  Jan Hubicka  <jh@suse.cz>
243
244         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
245         (lto_varpool_replace_node): New.
246         (lto_symtab_resolve_symbols): Resolve varpool nodes.
247         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
248         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
249         * cgraph.h (varpool_node_ptr): New type.
250         (varpool_node_ptr): New vector.
251         (varpool_node_set_def): New structure.
252         (varpool_node_set): New type.
253         (varpool_node_set): New vector.
254         (varpool_node_set_element_def): New structure.
255         (varpool_node_set_element, const_varpool_node_set_element): New types.
256         (varpool_node_set_iterator): New type.
257         (varpool_node): Add prev pointers, add used_from_other_partition,
258         in_other_partition.
259         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
260         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
261         varpool_get_node, varpool_remove_node): Declare.
262         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
263         varpool_node_set_size): New inlines.
264         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
265         * tree-pass.h (varpool_node_set_def): Forward declare.
266         (ipa_opt_pass_d): Summary writting takes vnode sets too.
267         (ipa_write_optimization_summaries): Update prototype.
268         * ipa-cp.c (ipcp_write_summary): Update.
269         * ipa-reference.c (ipa_reference_write_summary): Update.
270         * lto-cgraph.c (lto_output_varpool_node): New static function.
271         (output_varpool): New function.
272         (input_varpool_node): New static function.
273         (input_varpool_1): New function.
274         (input_cgraph): Input varpool.
275         * ipa-pure-const.c (pure_const_write_summary): Update.
276         * lto-streamer-out.c (lto_output): Update, output varpool too.
277         (write_global_stream): Kill WPA hack.
278         (produce_asm_for_decls): Update.
279         (output_alias_pair_p): Handle variables.
280         (output_unreferenced_globals): Output only needed partition of varpool.
281         * ipa-inline.c (inline_write_summary): Update.
282         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build cgraph.
283         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
284         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
285         varpool_node_set_new, varpool_node_set_add,
286         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
287         debug_varpool_node_set): New functions.
288         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
289         (execute_one_pass): Process new decls too.
290         (ipa_write_summaries_2): Pass around vsets.
291         (ipa_write_summaries_1): Likewise.
292         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
293         to add.
294         (ipa_write_optimization_summaries_1): Pass around vsets.
295         (ipa_write_optimization_summaries): Likewise.
296         * varpool.c (varpool_get_node): New.
297         (varpool_node): Update doubly linked lists.
298         (varpool_remove_node): New.
299         (dump_varpool_node): More dumping.
300         (varpool_enqueue_needed_node): Update doubly linked lists.
301         (decide_is_variable_needed): Kill ltrans hack.
302         (varpool_finalize_decl): Kill lto hack.
303         (varpool_assemble_decl): Skip decls in other partitions.
304         (varpool_assemble_pending_decls): Update doubly linkes lists.
305         (varpool_empty_needed_queue): Likewise.
306         (varpool_extra_name_alias): Likewise.
307         * lto-streamer.c (lto_get_section_name): Add vars section.
308         * lto-streamer.h (lto_section_type): Update.
309         (output_varpool, input_varpool): Declare.
310
311 2010-04-28  Mike Stump  <mikestump@comcast.net>
312
313         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
314
315 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
316
317         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
318         record or union type with RECORD_OR_UNION_TYPE_P predicate.
319         (lto_input_ts_type_tree_pointers): Likewise.
320         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
321         (lto_output_ts_type_tree_pointers): Likewise.
322
323 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
324
325         Uniquization of constants at the Tree level
326         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
327         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
328         bit to the end.
329         (tree_output_constant_def): Declare.
330         * gimplify.c (gimplify_init_constructor): When using block copy, first
331         uniquize the constant constructor on the RHS.
332         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
333         DECL_IN_CONSTANT_POOL flag.
334         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
335         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
336         constant pool.
337         (assemble_variable): Deal with symbols belonging to the tree constant
338         pool.
339         (get_constant_section): Add ALIGN parameter and simplify.
340         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
341         (assemble_constant_contents): Use the expression of the VAR_DECL.
342         (output_constant_def_contents): Use the alignment of the VAR_DECL.
343         (tree_output_constant_def): New global function.
344         (mark_constant): Use the expression of the VAR_DECL.
345         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
346         its expression.
347         (output_object_block): Likewise and assemble the expression.
348
349 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
350
351         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
352         hash_tree, eq_tree): New tree hash table.
353         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
354         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
355         lto_orig_address_remove): Reimplement.
356
357 2010-04-28  Xinliang David Li  <davidxl@google.com>
358
359         PR c/42643
360         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
361         (compute_uninit_opnds_pos): New function.
362         (is_non_loop_exit_postdominating): New function.
363         (compute_control_dep_chain): New function.
364         (find_pdom): New function.
365         (convert_control_dep_chain_into_preds): New function.
366         (find_predicates): New function.
367         (find_control_equiv_block): New function.
368         (collect_phi_def_edges): New function.
369         (find_def_preds): New function.
370         (find_dom): New function.
371         (dump_predicates): New function.
372         (get_cmp_code): New function.
373         (is_value_included_in): New function.
374         (find_matching_predicate_in_rest_chains): New function.
375         (use_pred_not_overlap_with_undef_path_pred): New function.
376         (is_use_properly_guarded): New function.
377         (normalize_cond_1): New function.
378         (is_and_or_or): New function.
379         (normalize_cond): New function.
380         (is_gcond_subset_of): New function.
381         (is_subset_of_any): New function.
382         (is_or_set_subset_of): New function.
383         (is_and_set_subset_of): New function.
384         (is_norm_cond_subset_of): New function.
385         (is_pred_expr_subset_of): New function.
386         (is_pred_chain_subset_of): New function.
387         (is_included_in): New function.
388         (is_superset_of): New function.
389         (find_uninit_use): New function.
390         (warn_uninitialized_phi): New function.
391         (compute_possibly_undefined_names): New function.
392         (ssa_undefined_value_p): New function.
393         (execute_late_warn_uninitialized): New function.
394         * tree-ssa.c (ssa_undefined_value_p): Removed.
395         (warn_uninit): Changed to extern.
396         (warn_uninitialized_phi): Removed.
397         (warn_uninitialized_vars): Changed to extern.
398         (execute_late_warn_uninitialized): Removed
399         * tree-flow.h: Add new prototypes.
400         * timevar.def: Add new time variable.
401         * Makefile.in: Add new build file.
402
403 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
404
405         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
406         type if available.
407
408 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
409
410         PR target/22224
411         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
412
413 2010-04-28  Martin Jambor  <mjambor@suse.cz>
414
415         * cgraph.h (struct cgraph_node): New field indirect_calls.
416         (struct cgraph_indirect_call_info): New type.
417         (struct cgraph_edge): Removed field indirect_call. New fields
418         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
419         (cgraph_create_indirect_edge): Declare.
420         (cgraph_make_edge_direct): Likewise.
421         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
422         * ipa-prop.h (struct ipa_param_call_note): Removed.
423         (struct ipa_node_params): Removed field param_calls.
424         (ipa_create_all_structures_for_iinln): Declare.
425         * cgraph.c: Described indirect edges and uids in initial comment.
426         (cgraph_add_edge_to_call_site_hash): New function.
427         (cgraph_edge): Search also among the indirect edges, use
428         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
429         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
430         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
431         site hash.
432         (initialize_inline_failed): Assign a reason to indirect edges.
433         (cgraph_create_edge_1): New function.
434         (cgraph_create_edge): Moved some functionality to
435         cgraph_create_edge_1.
436         (cgraph_create_indirect_edge): New function.
437         (cgraph_edge_remove_callee): Add an assert checking for
438         non-indirectness.
439         (cgraph_edge_remove_caller): Special-case indirect edges.
440         (cgraph_remove_edge): Likewise.
441         (cgraph_set_edge_callee): New function.
442         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
443         (cgraph_make_edge_direct): New function.
444         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
445         the declaration of the call statement matches.
446         (cgraph_node_remove_callees): Special-case indirect edges.
447         (cgraph_clone_edge): Likewise.
448         (cgraph_clone_node): Clone also the indirect edges.
449         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
450         indirect_call, dump count of indirect_calls edges.
451         * ipa-prop.c (iinlining_processed_edges): New variable.
452         (ipa_note_param_call): Create indirect edges instead of
453         creating notes.  New parameter node.
454         (ipa_analyze_call_uses): New parameter node, pass it on to
455         ipa_note_param_call.
456         (ipa_analyze_stmt_uses): Likewise.
457         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
458         (print_edge_addition_message): Work on edges rather than on notes.
459         (update_call_notes_after_inlining): Likewise, renamed to
460         update_indirect_edges_after_inlining.
461         (ipa_create_all_structures_for_iinln): New function.
462         (ipa_free_node_params_substructures): Do not free notes.
463         (ipa_edge_duplication_hook): Propagate bits within
464         iinlining_processed_edges bitmap.
465         (ipa_node_duplication_hook): Do not duplicate notes.
466         (free_all_ipa_structures_after_ipa_cp): Renamed to
467         ipa_free_all_structures_after_ipa_cp.
468         (free_all_ipa_structures_after_iinln): Renamed to
469         ipa_free_all_structures_after_iinln.g
470         (ipa_write_param_call_note): Removed.
471         (ipa_read_param_call_note): Removed.
472         (ipa_write_indirect_edge_info): New function.
473         (ipa_read_indirect_edge_info): Likewise.
474         (ipa_write_node_info): Do not stream notes, do stream information
475         in indirect edges.
476         (ipa_read_node_info): Likewise.
477         (lto_ipa_fixup_call_notes): Removed.
478         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
479         * ipa-inline.c (pass_ipa_inline): Likewise.
480         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
481         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
482         * tree-inline.c (copy_bb): Removed an unnecessary double check for
483         is_gimple_call.
484         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
485         edges.
486         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
487         (output_cgraph): Stream also indirect edges.
488         (lto_output_edge): Added capability to stream indirect edges.
489         (input_edge): Likewise.
490         (input_cgraph_1): Likewise.
491         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
492         of indirect edges.
493
494 2010-04-28  Richard Guenther  <rguenther@suse.de>
495
496         PR tree-optimization/43879
497         PR tree-optimization/43909
498         * tree-ssa-structalias.c (struct variable_info): Add
499         only_restrict_pointers flag.
500         (new_var_info): Initialize it.  Increment stats.total_vars here.
501         (create_function_info_for): Do not increment stats.total_vars
502         here.
503         (get_function_part_constraint): Fix build with C++.
504         (insert_into_field_list): Remove.
505         (push_fields_onto_fieldstack): Properly merge fields.
506         (create_variable_info_for): Split and simplify.
507         (create_variable_info_for_1): New piece.
508         (intra_create_variable_infos): Properly make restrict constraints
509         from parameters.
510
511 2010-04-28  Richard Guenther  <rguenther@suse.de>
512
513         PR c++/43880
514         * tree-inline.c (copy_bind_expr): Also copy bind expr vars
515         value-exprs.
516
517 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
518             Jan Hubicka <hubicka@ucw.cz>
519
520         * doc/invoke.texi (-Wsuggest-attribute=const,
521         -Wsuggest-attribute=pure): Document.
522         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
523         (function_always_visible_to_compiler_p,
524         suggest_attribute, warn_function_pure, warn_function_const):
525         New functions.
526         (check_call): Improve debug info.
527         (analyze_function): Do not check availability.
528         (add_new_function): Check availability.
529         (propagate): Output warnings.
530         (skip_function_for_local_pure_const): New function.
531         (local_pure_const): Use it; output warnings.
532         * common.opt (Wsuggest-attribute=const,
533         Wsuggest-attribute=pure): New.
534
535 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
536
537         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
538         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
539         or DW_CFA_def_cfa_offset{,_sf}.
540
541 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
542
543         * tree.h: Fix truncated long macros.
544
545 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
546
547         * collect2.c (TARGET_64BIT): Redefine to target's default.
548         * tlink.c: Likewise.
549         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
550         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
551         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
552         for underscoring __USER_LABEL_PREFIX__.
553         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
554         (SUB_LINK_ENTRY32): New.
555         (SUB_LINK_ENTRY64): New.
556         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
557         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
558         (SUB_LINK_ENTRY64): New.
559         (SUB_LINK_ENTRY): New.
560         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
561         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
562         x64 target is choosen.
563         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
564         * configure: Regenerated.
565         * configure.ac (leading-mingw64-underscores): Option added.
566
567 2010-04-27  Jan Hubicka  <jh@suse.cz>
568
569         * doc/invoke.texi (-fipa-profile): Document.
570         * opts.c (decode_options): Enable ipa-profile at -O1.
571         * timevar.def (TV_IPA_PROFILE): Define.
572         * common.opt (fipa-profile): Add.
573         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
574         flag for clones.
575         (cgraph_propagate_frequency): Handle only local ones.
576         * tree-pass.h (pass_ipa_profile): Declare.
577         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
578         (pass_ipa_profile): Use TV_IPA_PROFILE.
579         * ipa.c (ipa_profile): New function.
580         (gate_ipa_profile): Likewise.
581         (pass_ipa_profile): New global variable.
582         * passes.c (pass_ipa_profile): New.
583
584 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
585
586         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
587
588 2010-04-27  Martin Jambor  <mjambor@suse.cz>
589
590         PR middle-end/43812
591         * ipa.c (dissolve_same_comdat_group_list): New function.
592         (function_and_variable_visibility): Call
593         dissolve_same_comdat_group_list when comdat group contains external or
594         newly local nodes.
595         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
596         lists are circular and that they contain only DECL_ONE_ONLY nodes.
597
598 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
599
600         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
601         (const_hash_1) <VECTOR_CST>: New case.
602         (compare_constant) <VECTOR_CST>: Likewise.
603         <ADDR_EXPR>: Deal with LABEL_REFs.
604         (copy_constant) <VECTOR_CST>: New case.
605
606 2010-04-27  Jan Hubicka  <jh@suse.cz>
607
608         * cgraph.c (cgraph_propagate_frequency): New function.
609         * cgraph.h (cgraph_propagate_frequency): Declare.
610         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
611         cgraph_propagate_frequency.
612
613 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
614
615         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
616
617 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
618
619         PR target/40657
620         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
621         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
622         here to determine which regs to push and how much stack to reserve.
623
624 2010-04-27  Jie Zhang  <jie@codesourcery.com>
625
626         * doc/gimple.texi (gimple_statement_with_ops): Remove
627         addresses_taken field.
628         (gimple_statement_with_memory_ops): Likewise.
629
630 2010-04-27  Jan Hubicka  <jh@suse.cz>
631
632         * tree-inline.c (eni_inlining_weights): Remove.
633         (estimate_num_insns): Special case more builtins.
634
635 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
636
637         PR c/32207
638         * c-typeck.c (build_binary_op): Move forward check for comparison
639         pointer with null pointer constant and adjust the diagnostic message.
640
641 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
642
643         PR lto/42776
644         * configure.ac (gcc_cv_as_section_has_align): Set if installed
645         binutils supports extended .section directive needed by LTO, or
646         warn if older binutils found.
647         (LTO_BINARY_READER): New AC_SUBST'd variable.
648         (LTO_USE_LIBELF): Likewise.
649         * gcc/config.gcc (lto_binary_reader): New target-specific configure
650         variable.
651         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
652         (LTO_USE_LIBELF): Likewise.
653         * configure: Regenerate.
654
655         * collect2.c (is_elf): Rename from this ...
656         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
657          object files in addition to ELF-formatted ones.
658         (scan_prog_file): Caller updated.  Also allow for LTO info marker
659         symbol to be prefixed or not by an extra underscore.
660
661         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
662         * config/i386/winnt.c: Also #include lto-streamer.h
663         (i386_pe_asm_named_section): Specify 1-byte section alignment for
664         LTO named sections.
665         (i386_pe_asm_output_aligned_decl_common): Add comment.
666         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
667
668 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
669
670         PR target/43889
671         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
672         Add missing earlyclobber for second alternative.
673
674 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
675
676         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
677         bits for artificial defs at the top of the block.
678         * fwprop.c (single_def_use_enter_block): Don't call it.
679
680 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
681
682         PR 43715
683         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
684         instead of "$gcc_cv_objdump -T".
685         Use "-undefined dynamic_lookup" on darwin.
686         * gcc/configure: Regenerate.
687
688 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
689
690         PR c/43893
691         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
692
693 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
694
695         * c-parser.c (struct c_token): Move location field up.
696         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
697         (struct c_declspecs): Convert typespec_word, storage_class, and
698         default_int_p into bitfields.
699         (struct c_declarator): Move loc field up.
700
701 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
702
703         * cfgloop.h (struct loop): Move can_be_parallel field up.
704         * ipa-prop.h (struct ip_node_params): Move bitfields up.
705         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
706         down.
707         (struct iv_cand): Convert pos field into a bitfield.
708         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
709         field up.
710         (struct _stmt_vec_info): Shuffle fields for better packing.
711
712 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
713
714         * varasm.c (IN_NAMED_SECTION): Remove guard.
715         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
716         (IN_NAMED_SECTION_P): ...this.
717         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
718         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
719
720 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
721
722         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
723         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
724         of shadowing it.  Fix comments.
725
726 2010-04-26  Jan Hubicka  <jh@suse.cz>
727
728         * cgraph.c (cgraph_create_node): Set node frequency to normal.
729         (cgraph_clone_node): Copy function frequency.
730         * cgraph.h (node_frequency): New enum
731         (struct cgraph_node): Add.
732         * final.c (rest_of_clean_state): Update.
733         * lto-cgraph.c (lto_output_node): Output node frequency.
734         (input_overwrite_node): Input node frequency.
735         * tre-ssa-loop-ivopts (computation_cost): Update.
736         * lto-streamer-out.c (output_function): Do not output function
737         frequency.
738         * predict.c (maybe_hot_frequency_p): Update and handle functions
739         executed once.
740         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
741         attribute lookup.
742         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
743         (compute_function_frequency): Set noreturn functions to be executed
744         once.
745         (choose_function_section): Update.
746         * lto-streamer-in.c (input_function): Do not input function frequency.
747         * function.c (allocate_struct_function): Do not initialize function
748         frequency.
749         * function.h (function_frequency): Remove.
750         (struct function): Remove function frequency.
751         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
752         (try_update): Update.
753         * tree-inline.c (initialize_cfun): Do not update function frequency.
754         * passes.c (pass_init_dump_file): Update.
755         * i386.c (ix86_compute_frame_layout): Update.
756         (ix86_pad_returns): Update.
757
758 2010-04-26  Jie Zhang  <jie@codesourcery.com>
759
760         PR tree-optimization/43833
761         * tree-vrp.c (range_int_cst_p): New.
762         (range_int_cst_singleton_p): New.
763         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
764         when both operands are constants.  Use range_int_cst_p in
765         BIT_IOR_EXPR case.
766
767 2010-04-26  Jan Hubicka  <jh@suse.cz>
768
769         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
770
771 2010-04-26  Richard Guenther  <rguenther@suse.de>
772
773         PR lto/43080
774         * gimple.c (gimple_decl_printable_name): Deal gracefully
775         with a NULL DECL_NAME.
776
777 2010-04-26  Richard Guenther  <rguenther@suse.de>
778
779         PR lto/42425
780         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
781         if emitting debug information and it is either a function
782         or a namespace decl.
783
784 2010-04-26  Ira Rosen  <irar@il.ibm.com>
785
786         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
787         determine if the statement is vectorizable, and a macro to access it.
788         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
789         Skip statements that can't be vectorized. If the analysis fails,
790         mark the statement as unvectorizable if vectorizing basic block.
791         (vect_compute_data_refs_alignment): Likewise.
792         (vect_verify_datarefs_alignment): Skip statements marked as
793         unvectorizable. Add print.
794         (vect_analyze_group_access): Skip statements that can't be
795         vectorized. If the analysis fails, mark the statement as
796         unvectorizable if vectorizing basic block.
797         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
798         * tree-vect-stmts.c (vectorizable_store): Fix the number of
799         generated stmts for SLP.
800         (new_stmt_vec_info): Initialize the new field.
801         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
802         statements marked as unvectorizable.
803
804 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
805
806         * c-common.c (flag_isoc1x): New.
807         (flag_isoc99): Update comment.
808         * c-common.h (flag_isoc1x): New.
809         (flag_isoc99): Update comment.
810         * c-cppbuiltin.c (builtin_define_float_constants): Also define
811         __<type>_DECIMAL_DIG__.
812         * c-opts.c (set_std_c1x): New.
813         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
814         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
815         * c.opt (-std=c1x, -std=gnu1x): New options.
816         * doc/cpp.texi: Mention -std=c1x.
817         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
818         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
819         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
820         * doc/standards.texi: Mention C1X.
821         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
822         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
823         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
824         Define for C1X.
825
826 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
827
828         * config/i386/gmon-sol2.c (_mcleanup): Change format string
829         placeholder from 0x%x to %#x.
830         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
831         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
832         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
833         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
834         * config/i386/i386.c (ix86_target_string): Ditto.
835         (output_pic_addr_const): Ditto.
836         (print_operand): Ditto.
837
838 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
839
840         * combine.c (find_split_point): Add third argument.  Use it
841         to find nested multiply-accumulate instructions.  Adjust calls.
842         (try_combine): Adjust call to find_split_point.
843
844 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
845
846         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
847
848 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
849
850         PR tree-optimization/41442
851         * fold-const.c (merge_truthop_with_opposite_arm): New function.
852         (fold_binary_loc): Call it.
853
854 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
855
856         * toplev.c (general_init): Set default for fdiagnostics-show-option.
857         * opts.c (common_handle_option): Allow disabling it.
858         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
859
860 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
861
862         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
863         between modes if both types are integral.
864
865 2010-04-23  Richard Guenther  <rguenther@suse.de>
866
867         PR tree-optimization/43572
868         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
869
870 2010-04-23  Richard Guenther  <rguenther@suse.de>
871
872         PR lto/43455
873         * tree-inline.c (tree_can_inline_p): Also check compatibility
874         of return types.
875
876 2010-04-23  Martin Jambor  <mjambor@suse.cz>
877
878         PR tree-optimization/43846
879         * tree-sra.c (struct access): New flag grp_assignment_read.
880         (build_accesses_from_assign): Set grp_assignment_read.
881         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
882         (enum mark_read_status): New type.
883         (analyze_access_subtree): Propagate grp_assignment_read, create
884         accesses also if both direct_read and root->grp_assignment_read.
885
886 2010-04-23  Martin Jambor  <mjambor@suse.cz>
887
888         PR middle-end/43835
889         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
890         function does not have type attributes.
891
892 2010-04-23  Richard Guenther  <rguenther@suse.de>
893
894         PR lto/42653
895         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
896         of FUNCTION_DECLs.
897
898 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
899
900         * sese.h (create_if_region_on_edge): Remove.
901
902         * sese.c (create_if_region_on_edge): Make static.
903
904         * tree-inline.c: Do not include ggc.h.
905
906         * expr.c: Do not include ggc.h.
907
908         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
909         dependencies.
910
911 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
912
913         PR target/43744
914         * config/sh/sh.c (find_barrier): Don't emit a constant pool
915         in the middle of insns for casesi_worker_2.
916
917 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
918
919         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
920
921 2010-04-22  Ira Rosen  <irar@il.ibm.com>
922
923         PR tree-optimization/43842
924         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
925         loop unrolling in update of exit phis. Fix comment.
926         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
927         least two reduction statements in the loop before starting SLP
928         analysis.
929
930 2010-04-22  Nick Clifton  <nickc@redhat.com>
931
932         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
933
934 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
935
936         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
937         to simplify a + ~a.
938
939 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
940
941         * tree-parloops.c (loop_parallel_p): New argument
942         parloop_obstack.  Pass it down.
943         (parallelize_loops): New variable parloop_obstack.  Initialize it,
944         pass it down, free it.
945
946         * tree-loop-linear.c (linear_transform_loops): Pass down
947         lambda_obstack.
948
949         * tree-data-ref.h (lambda_compute_access_matrices): New argument
950         of type struct obstack *.
951
952         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
953         scratch_obstack.  Initialize it, pass down, free it.
954
955         * lambda.h (lambda_loop_new): Remove.
956         (lambda_matrix_new, lambda_matrix_inverse)
957         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
958         argument of type struct obstack *.
959
960         * lambda-trans.c (lambda_trans_matrix_new): New argument
961         lambda_obstack.  Pass it down, use obstack allocation for ret.
962         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
963         it down.
964
965         * lambda-mat.c (lambda_matrix_get_column)
966         (lambda_matrix_project_to_null): Remove.
967         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
968         allocation for mat.
969         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
970         lambda_obstack.
971
972         * lambda-code.c (lambda_loop_new): New function.
973         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
974         (lambda_compute_auxillary_space, lambda_compute_target_space)
975         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
976         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
977         (build_access_matrix): New argument lambda_obstack.  Use obstack
978         allocation for am.
979         (lambda_compute_step_signs, lambda_compute_access_matrices): New
980         argument lambda_obstack.  Pass it down.
981
982 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
983
984         * optabs.h (expand_widening_mult): Declare.
985
986 2010-04-22  Richard Guenther  <rguenther@suse.de>
987
988         PR tree-optimization/43845
989         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
990         lookup the CALL_EXPR function and arguments.
991
992 2010-04-22  Nick Clifton  <nickc@redhat.com>
993
994         * config/stormy16/stormy16.c
995         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
996         * config/stormy16/stormy16.h: Tidy up formatting.
997         (DONT_USE_BUILTIN_SETJMP): Remove definition.
998         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
999         (ineqbranchsi): Delete pattern.
1000         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1001         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1002         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1003         stormy16-lib2-ucmpsi2.c.
1004
1005 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1006
1007         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1008         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1009         extra set merge_set_noclobber, and use it to relax the final test
1010         slightly.
1011         * df.h (df_simulate_find_noclobber_defs): Declare.
1012         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1013         conditional defs.
1014         (df_simulate_find_noclobber_defs): New function.
1015
1016 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1017
1018         * config/i386/i386.md: Use {} around multi-line preparation statements.
1019
1020 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1021
1022         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1023         (process_init_element): New argument of type struct obstack *.
1024
1025         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1026         (set_init_index, set_init_label, set_nonincremental_init)
1027         (set_nonincremental_init_from_string, find_init_member)
1028         (output_init_element, output_pending_init_elements)
1029         (process_init_element): New argument braced_init_obstack.  Pass it
1030         down.
1031         (push_range_stack, add_pending_init): New argument
1032         braced_init_obstack.  Use obstack allocation.
1033
1034         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1035         braced_init_obstack.  Pass it down.
1036         (c_parser_braced_init): New variables ret, braced_init_obstack.
1037         Initialize obstack, pass it down and finally free it.
1038
1039 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1040
1041         PR middle-end/29274
1042         * tree-pass.h (pass_optimize_widening_mul): Declare.
1043         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1044         gate_optimize_widening_mul): New static functions.
1045         (pass_optimize_widening_mul): New.
1046         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1047         <case MULT_EXPR>: Remove support for widening multiplies.
1048         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1049         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1050         simplify_gen_unary rather than directly building extensions.
1051         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1052         WIDEN_MULT_EXPR.
1053         * expmed.c (expand_widening_mult): New function.
1054         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1055
1056 2010-04-21  Jan Hubicka  <jh@suse.cz>
1057
1058         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1059         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1060         * lto-wpa-fixup.c: Remove.
1061         * Makefile.in (lto-wpa-fixup.o): Remove.
1062         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1063         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1064         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1065
1066 2010-04-21  Jan Hubicka  <jh@suse.cz>
1067
1068         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1069         add write_optimization_summary, read_optimization_summary.
1070         (ipa_write_summaries_of_cgraph_node_set): Remove.
1071         (ipa_write_optimization_summaries): Declare.
1072         (ipa_read_optimization_summaries): Declare.
1073         * ipa-cp.c (pass_ipa_cp): Update.
1074         * ipa-reference.c (pass_ipa_reference): Update.
1075         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1076         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1077         Update.
1078         * ipa-inline.c (pass_ipa_inline): Update.
1079         * ipa.c (pass_ipa_whole_program): Update.
1080         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1081         * passes.c (ipa_write_summaries_1): Do not test wpa.
1082         (ipa_write_optimization_summaries_1): New.
1083         (ipa_write_optimization_summaries): New.
1084         (ipa_read_summaries): Do not test ltrans.
1085         (ipa_read_optimization_summaries_1): New.
1086         (ipa_read_optimization_summaries): New.
1087
1088 2010-04-21  Jan Hubicka  <jh@suse.cz>
1089
1090         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1091         for boundary nodes.
1092         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1093
1094 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR debug/40040
1097         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1098         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1099
1100 2010-04-21  Jan Hubicka  <jh@suse.cz>
1101
1102         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1103
1104 2010-04-21  Jan Hubicka  <jh@suse.cz>
1105
1106         * varpool.c (decide_is_variable_needed): Variable is always needed
1107         during ltrans.
1108
1109 2010-04-21  Jan Hubicka  <jh@suse.cz>
1110
1111         * opts.c (decode_options): Enable pure-const pass for whopr.
1112
1113 2010-04-21  Jan Hubicka  <jh@suse.cz>
1114
1115         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1116         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1117         at WPA dumping.
1118         (cgraph_decide_inlining): Do not expect callee to be removed in all
1119         cases.
1120
1121 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1122
1123         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1124
1125 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1126
1127         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1128         amdfam10_decode attributes.
1129
1130 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1131
1132         PR middle-end/43570
1133         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1134         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1135         (lower_copyprivate_clauses): Use private var in outer
1136         context instead of original var.  Make sure the types
1137         are correct for VLAs.
1138
1139 2010-04-21  Richard Guenther  <rguenther@suse.de>
1140
1141         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1142         to non-pointer objects.
1143
1144 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1145
1146         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1147         last chain entry if it starts with the still current label.
1148         (add_location_or_const_value_attribute): Check that
1149         loc_list->first->next is NULL instead of comparing ->first with ->last.
1150         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1151         to add_var_loc_to_decl.
1152
1153         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1154         >= 4 add also address size and segment size fields into CIE header.
1155
1156         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1157         long as address size is the same as sizeof (void *) and
1158         segment size is 0.
1159         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1160         address size or segment size is unexpected, return DW_EH_PE_omit.
1161         (classify_object_over_fdes): If get_cie_encoding returned
1162         DW_EH_PE_omit, return -1.
1163         (init_object): If classify_object_over_fdes returned -1,
1164         pretend there were no FDEs at all.
1165
1166 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1167
1168         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1169         bswap{si,di}2 using SWI48 mode iterator.
1170         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1171         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1172         set modrm attribute of bswap insn to 0 and remove length attribute.
1173         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1174         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1175         set mode attribute to <MODE> and remove length attribute.
1176
1177 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1178
1179         PR rtl-optimization/43520
1180         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1181         zero available registers.
1182
1183 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1184
1185         * builtins.c (fold_builtin_cproj): Fold more cases.
1186
1187 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1188
1189         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1190         (fold_builtin_1): Fold builtin cproj.
1191         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1192         Use ATTR_CONST_NOTHROW_LIST.
1193
1194 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1195
1196         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1197         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1198         ffsi2_no_cmove for !TARGET_CMOVE.
1199         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1200         (ffssi2): Remove expander.
1201         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1202         mode iterator.
1203         (ctz<mode>2): Ditto from ctz{si,di}2.
1204         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1205         mode iterator.
1206         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1207         mode iterator.
1208
1209 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1210
1211         * dwarf2out.c (AT_linkage_name): Define.
1212         (clone_as_declaration): Handle DW_AT_linkage_name.
1213         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1214         of DW_AT_MIPS_linkage_name.
1215         (move_linkage_attr): Likewise.
1216         (dwarf2out_finish): Likewise.
1217
1218 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1219
1220         PR middle-end/41952
1221         * fold-const.c (fold_comparison): New folding rule.
1222
1223 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1224
1225         * double-int.h (double_int_setbit): Declare.
1226         * double-int.c (double_int_setbit): New function.
1227         * rtl.h (immed_double_int_const): Declare.
1228         * emit-rtl.c (immed_double_int_const): New function.
1229         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1230         and immed_double_int_const functions.
1231         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1232         expand_copysign_bit):  (Ditto.).
1233         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1234         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1235         * dojump.c (prefer_and_bit_test): (Ditto.).
1236         * expr.c (convert_modes, reduce_to_bit_field_precision,
1237         const_vector_from_tree): (Ditto.).
1238         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1239
1240 2010-04-20  Jan Hubicka  <jh@suse.cz>
1241
1242         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1243         (dump_cgraph_node): Dump new flags.
1244         * cgraph.h (struct cgraph_node): Add flags
1245         reachable_from_other_partition and in_other_partition.
1246         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1247         other partition can not be removed.
1248         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1249         the other partition must be output; silence sanity checking on
1250         leaking functions bodies from other paritition.
1251         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1252         (lto_output_node): Output new flags; do not sanity check that inline
1253         clones are output; drop lto_forced_extern_inline_p code; do not mock
1254         visibility flags at partition boundaries.
1255         (add_node_to): New function.
1256         (output_cgraph): Use it to sort functions so masters appear before
1257         clones.
1258         (input_overwrite_node): Input new flags.
1259         * passes.c (ipa_write_summaries): Do not call
1260         lto_new_extern_inline_states.
1261         * lto-section-out.c (forced_extern_inline,
1262         lto_new_extern_inline_states lto_delete_extern_inline_states,
1263         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1264         * lto-streamer.h (lto_new_extern_inline_states,
1265         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1266         lto_forced_extern_inline_p): Kill.
1267
1268 2010-04-20  Richard Guenther  <rguenther@suse.de>
1269
1270         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1271         from vars that can have pointers.
1272         (process_constraint): Dump useless constraints.
1273
1274 2010-04-20  Richard Guenther  <rguenther@suse.de>
1275
1276         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1277         (dump_sa_points_to_info): Remove asserts.
1278         (init_base_vars): nothing_id isn't an escape point nor does it
1279         have pointers.
1280
1281 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1282
1283         * tree.h (TYPE_REF_IS_RVALUE): Define.
1284         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1285         should_move_die_to_comdat, prune_unused_types_walk): Handle
1286         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1287         (modified_type_die, gen_reference_type_die): Emit
1288         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1289         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1290
1291 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1292
1293         PR target/43635
1294         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1295         calls for -fpic -m31 if they have been sibcall optimized.
1296
1297 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1298
1299         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1300         ar.lc fixed and call-used.
1301
1302         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1303
1304 2010-04-19  Jan Hubicka  <jh@suse.cz>
1305
1306         * opts.c (decode_options): Disable whpr incompatible passes.
1307         * lto/lto.c (lto_1_to_1_map): Skip clones.
1308         (read_cgraph_and_symbols): Do not mark everything as needed.
1309         (do_whole_program_analysis): Do map only after optimizing;
1310         set proper cgraph_state; use passmanager.
1311
1312 2010-04-19  DJ Delorie  <dj@redhat.com>
1313
1314         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1315         POINTER_PLUS_EXPR and fix them.
1316
1317 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1318
1319         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1320         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1321         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1322         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1323         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1324         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1325         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1326         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1327         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1328         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1329         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1330
1331 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1332
1333         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1334         (check_cond_move_block): Likewise.
1335         (cond_move_process_if_block): Likewise.
1336         (noce_find_if_block): Improve formatting.
1337         (find_if_header): Pass 0 to memset and tweak conditions.
1338         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1339
1340 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1341
1342         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1343         for -gdwarf-4.
1344
1345         PR middle-end/43337
1346         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1347         with non-local decl doesn't need chain.
1348
1349 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1350
1351         * ira-color.c (allocno_reload_assign): Avoid accumulating
1352         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1353
1354 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1355
1356         * gimple.h (create_tmp_reg): Declare.
1357         * gimplify.c (create_tmp_reg): New function.
1358         (gimplify_return_expr): Use create_tmp_reg.
1359         (gimplify_omp_atomic): Likewise.
1360         (gimple_regimplify_operands): Likewise.
1361         * tree-dfa.c (make_rename_temp): Likewise.
1362         * tree-predcom.c (predcom_tmp_var): Likewise.
1363         (reassociate_to_the_same_stmt): Likewise.
1364         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1365         (get_replaced_param_substitute): Likewise.
1366         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1367         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1368         * tree-ssa-pre.c (get_representative_for): Likewise.
1369         (create_expression_by_pieces): Likewise.
1370         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1371         (create_tailcall_accumulator): Likewise.
1372
1373 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1374
1375         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1376         new_stmt.
1377         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1378
1379 2010-04-19  Richard Guenther  <rguenther@suse.de>
1380
1381         PR tree-optimization/43796
1382         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1383         from SCEV in the lattice.
1384         (vrp_visit_phi_node): Dump change.
1385
1386 2010-04-19  Richard Guenther  <rguenther@suse.de>
1387
1388         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1389         * configure: Re-generated.
1390
1391 2010-04-19  Richard Guenther  <rguenther@suse.de>
1392
1393         PR tree-optimization/43783
1394         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1395         constant ARRAY_REF operands two and three if possible.
1396
1397 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1398
1399         PR target/43766
1400         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1401
1402 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1403
1404         PR target/43662
1405         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1406
1407 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1408
1409         PR tree-optimization/37027
1410         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1411         and macro to access it.
1412         (vectorizable_reduction): Add argument.
1413         (vect_get_slp_defs): Likewise.
1414         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1415         statements for possible use in SLP.
1416         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1417         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1418         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1419         add new argument.
1420         (vectorizable_reduction): Likewise.
1421         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1422         vect_get_slp_defs.
1423         (vectorizable_type_demotion, vectorizable_type_promotion,
1424         vectorizable_store): Likewise.
1425         (vect_analyze_stmt): Update call to vectorizable_reduction.
1426         (vect_transform_stmt): Likewise.
1427         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1428         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1429         from different interleaving chains in same node.
1430         (vect_slp_rearrange_stmts): New function.
1431         (vect_supported_load_permutation_p): Allow load permutations for
1432         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1433         inside SLP nodes if necessary.
1434         (vect_analyze_slp_instance): Handle reductions.
1435         (vect_analyze_slp): Try to build SLP instances originating from groups
1436         of reductions.
1437         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1438         (vect_get_constant_vectors): Create initial vectors for reductions
1439         according to reduction code. Add new argument.
1440         (vect_get_slp_defs): Add new argument, pass it to
1441         vect_get_constant_vectors.
1442         (vect_schedule_slp_instance): Remove SLP tree root statements.
1443
1444 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1445
1446         * tree.h (ENUM_IS_SCOPED): Define.
1447         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1448         for ENUM_IS_SCOPED enums.
1449
1450 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1451
1452         * fold-const.c (fold_comparison): Use ssizetype.
1453         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1454         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1455         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1456         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1457
1458         * tree.h (initialize_sizetypes): Remove parameter.
1459         (build_common_tree_nodes): Remove second parameter.
1460         * stor-layout.c (initialize_sizetypes): Remove parameter.
1461         Always create an unsigned type.
1462         (set_sizetype): Assert that the passed type is unsigned and simplify.
1463         * tree.c (build_common_tree_nodes): Remove second parameter.
1464         Adjust call to initialize_sizetypes.
1465         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1466         build_common_tree_nodes.
1467
1468 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1469
1470         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1471
1472 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1473
1474         PR tree-optimization/43771
1475         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1476         load permutation doesn't have gaps.
1477
1478 2010-04-18  Jan Hubicka  <jh@suse.cz>
1479
1480         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1481         (sse_prologue_save_insn expander): Use new pattern.
1482         (sse_prologue_save_insn1): New pattern and splitter.
1483         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1484         blocks.
1485         * i386.c (setup_incoming_varargs_64): Do not compute jump
1486         destination here.
1487         (ix86_gimplify_va_arg): Update alignment needed.
1488         (ix86_local_alignment): Do not align all local arrays to 128bit.
1489
1490 2010-04-17  Jan Hubicka  <jh@suse.cz>
1491
1492         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1493
1494 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1495
1496         * arm.md (negdi2): Remove redundant code to force values into a
1497         register.
1498
1499 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1500
1501         * arm/bpabi.S: Add EABI alignment attributes to objects.
1502         * arm/bpabi-v6m.S: Likewise.
1503         * arm/crti.asm: Likewise.
1504         * arm/crtn.asm: Likewise.
1505         * arm/lib1funcs.asm: Likewise.
1506         * arm/libunwind.S: Likewise.
1507
1508 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1509
1510         * arm-protos.h (tune_params): New structure.
1511         * arm.c (current_tune): New variable.
1512         (arm_constant_limit): Delete.
1513         (struct processors): Add pointer to the tune parameters.
1514         (arm_slowmul_tune): New tuning option.
1515         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1516         (all_cores): Adjust to pick up the tuning model.
1517         (arm_constant_limit): New function.
1518         (arm_override_options): Select the appropriate tuning model.  Delete
1519         initialization of arm_const_limit.
1520         (arm_split_constant): Use the new constant-limit model.
1521         (arm_rtx_costs): Pick up the current tuning model.
1522         * arm.md (is_strongarm, is_xscale): Delete.
1523         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1524         for Xscale variant architectures.
1525         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1526
1527 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1528
1529         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1530         can_shift.
1531         (arm_rtx_costs_1): Remove unused variable extra_cost.
1532         (arm_unwind_emit_set): Use variable offset.
1533         (thumb1_output_casesi): Remove unused variable flags.
1534
1535 2010-04-16  Jeff Law  <law@redhat.com>
1536
1537         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1538         needing assignment rather than doing a two-phase assignment.  Remove
1539         unused variable 'm'.
1540
1541 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1542
1543         PR bootstrap/43767
1544         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1545
1546 2010-04-16  Doug Kwan  <dougkwan@google.com>
1547
1548         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1549         (next_operand_entry_id): New static variable.
1550         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1551         (add_to_ops_vec): Assigned unique ID to operand entry.
1552         (struct oecount_s): New field ID.
1553         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1554         (undistribute_ops_list): Assign unique IDs to oecounts.
1555         (init_reassoc): reset next_operand_entry_id.
1556
1557 2010-04-16  Doug Kwan  <dougkwan@google.com>
1558
1559         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1560         missing left parenthesis.
1561
1562 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1563
1564         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1565         *btdi_rex64 using SWI48 mode iterator.
1566         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1567         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1568         *jcc_btdi_mask_rex64.
1569
1570 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1571
1572         * double-int.h (tree_to_double_int): Convert to macro.
1573         * double-int.c (tree_to_double_int): Remove.
1574
1575 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1576
1577         PR debug/43762
1578         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1579         with want_address 2 and in case a single element list might be
1580         possible, call it again with want_address 0.
1581
1582 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1583
1584         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1585         case 'W' print operands for HI mode.
1586         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1587         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1588         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1589         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1590
1591         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1592
1593         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1594         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1595         #xx:3 and #xx:4 mode.
1596
1597         * config/h8300/h8300.md (inverted load with HImode dest): Add
1598         support for H8300SX.
1599
1600         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1601         satisfy 'U' constraint.
1602
1603 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1604
1605         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1606         * configure: Regenerate.
1607         * config.in: Regenerate.
1608         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1609         works.
1610
1611 2010-04-16  Richard Guenther  <rguenther@suse.de>
1612
1613         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1614         (struct tree_decl_common): ... here.
1615         (DECL_PT_UID): Adjust.
1616         (SET_DECL_PT_UID): Likewise.
1617         (DECL_PT_UID_SET_P): Likewise.
1618
1619 2010-04-16  Richard Guenther  <rguenther@suse.de>
1620
1621         PR tree-optimization/43572
1622         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1623         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1624         * tree-flow.h (is_call_clobbered): Remove.
1625         * tree-flow-inline.h (is_call_clobbered): Likewise.
1626         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1627         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1628         (execute_return_slot_opt): Adjust.
1629         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1630         check for call clobbered vars here.
1631         (find_tail_calls): Move tailcall verification to the
1632         proper place.
1633
1634 2010-04-16  Diego Novillo  <dnovillo@google.com>
1635
1636         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1637
1638 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1639
1640         PR target/40603
1641         * config/arm/arm.md (cbranchqi4): New pattern.
1642         * config/arm/predicates.md (const0_operand,
1643         cbranchqi4_comparison_operator): New predicates.
1644
1645 2010-04-16  Richard Guenther  <rguenther@suse.de>
1646
1647         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1648         (dump_gimple_stmt): Likewise.
1649
1650 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1651
1652         * recog.h (struct recog_data): New field is_operator.
1653         (struct insn_operand_data): New field is_operator.
1654         * recog.c (extract_insn): Set recog_data.is_operator.
1655         * genoutput.c (output_operand_data): Emit code to set the
1656         is_operator field.
1657         * reload.c (find_reloads): Use it rather than testing for an
1658         empty constraint string.
1659
1660         PR target/41514
1661         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1662         If the previous insn is a cbranchsi4_insn with the same arguments,
1663         omit the compare instruction.
1664
1665         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1666         register, inputs must be low registers and we need a low register
1667         scratch.  Handle alternative 2 like alternative 3.
1668
1669 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1670
1671         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1672         don't call get_addr on both.  If one expression is a VALUE and
1673         the other a REG, check VALUE's locs if the REG isn't among them.
1674
1675 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1676
1677         * config/sh/sh.h (sh_frame_pointer_required): New function.
1678         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1679         (flag_omit_frame_pointer) Set.
1680         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1681         (rounded_frame_size): Adjust size with outgoing_args_size.
1682         (sh_set_return_address): Must return from stack pointer.
1683         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1684         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1685         (ACCUMULATE_OUTGOING_ARGS): Define.
1686         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1687         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1688
1689 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1690
1691         PR target/43471
1692         * config/sh/sh.c (sh_legitimize_reload_address): Use
1693         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1694         Remove a unneeded check for offset_base.
1695
1696 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1697
1698         * configure: Regenerated.
1699
1700 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1701
1702         * config/s390/s390.c (s390_call_save_register_used): Switch back
1703         to HARD_REGNO_NREGS.
1704
1705 2010-04-15  Richard Guenther  <rguenther@suse.de>
1706
1707         * alias.c (alias_set_subset_of): Handle alias-set zero
1708         child properly.
1709
1710 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1711             Julian Brown  <julian@codesourcery.com>
1712
1713         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1714         alternatives according to use of high and low regs.
1715         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1716         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1717         optimizing for size on Thumb-2.
1718
1719 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1720
1721         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1722
1723 2010-04-15  Richard Guenther  <rguenther@suse.de>
1724
1725         * tree-ssa-structalias.c (struct variable_info): Add
1726         is_fn_info flag.
1727         (new_var_info): Initialize it.
1728         (dump_constraints): Support printing last added constraints.
1729         (debug_constraints): Adjust.
1730         (dump_constraint_graph): Likewise.
1731         (make_heapvar_for): Check for NULL cfun.
1732         (get_function_part_constraint): New function.
1733         (get_fi_for_callee): Likewise.
1734         (find_func_aliases): Properly implement IPA PTA constraints.
1735         (process_ipa_clobber): New function.
1736         (find_func_clobbers): Likewise.
1737         (insert_into_field_list_sorted): Remove.
1738         (create_function_info_for): Properly allocate vars for IPA mode.
1739         Do not use insert_into_field_list_sorted.
1740         (create_variable_info_for): Properly generate constraints for
1741         global vars in IPA mode.
1742         (dump_solution_for_var): Always dump the solution.
1743         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1744         (find_what_var_points_to): Adjust.
1745         (pt_solution_set): Change.
1746         (pt_solution_ior_into): New function.
1747         (pt_solution_empty_p): Export.
1748         (pt_solution_includes_global): Adjust.
1749         (pt_solution_includes_1): Likewise.
1750         (pt_solutions_intersect_1): Likewise.
1751         (dump_sa_points_to_info): Check some invariants.
1752         (solve_constraints): Move constraint dumping ...
1753         (compute_points_to_sets): ... here.
1754         (ipa_pta_execute): ... and here.
1755         (compute_may_aliases): Do not re-compute points-to info
1756         locally if IPA info is available.
1757         (ipa_escaped_pt): New global var.
1758         (ipa_pta_execute): Properly implement IPA PTA.
1759         * tree-into-ssa.c (dump_decl_set): Support dumping
1760         decls not in referenced-vars.
1761         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1762         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1763         (dump_points_to_solution): Likewise.
1764         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1765         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1766         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1767         (copy_decl_to_var): Copy DECL_PT_UID.
1768         (copy_result_decl_to_var): Likewise.
1769         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1770         (copy_node_stat): Copy it.
1771         * tree.h (DECL_PT_UID): New macro.
1772         (SET_DECL_PT_UID): Likewise.
1773         (DECL_PT_UID_SET_P): Likewise.
1774         (struct tree_decl_minimal): Add pt_uid member.
1775         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1776         (pt_solution_empty_p): Declare.
1777         (pt_solution_set): Adjust.
1778         (ipa_escaped_pt): Declare.
1779         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1780         * gimple-pretty-print.c (pp_points_to_solution): New function.
1781         (dump_gimple_call): Dump call clobber/use information.
1782         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1783         * tree-pass.h (TDF_ALIAS): New dump option.
1784         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1785         * doc/invoke.texi (-fipa-pta): Update documentation.
1786
1787 2010-04-15  Richard Guenther  <rguenther@suse.de>
1788
1789         * Makefile.in (OBJS-common): Add gimple-fold.o.
1790         (gimple-fold.o): New rule.
1791         * tree.h (maybe_fold_offset_to_reference,
1792         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1793         prototypes ...
1794         * gimple.h: ... here.
1795         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1796         may_propagate_address_into_dereference): Move prototypes ...
1797         * gimple.h: ... here.
1798         * tree-ssa-ccp.c (get_symbol_constant_value,
1799         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1800         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1801         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1802         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1803         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1804         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1805         gimplify_and_update_call_from_tree): Move ...
1806         * gimple-fold.c: ... here.  New file.
1807         (ccp_fold_builtin): Rename to ...
1808         (gimple_fold_builtin): ... this.
1809         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1810
1811 2010-04-15  Richard Guenther  <rguenther@suse.de>
1812
1813         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1814         fit_double_type, force_fit_type_double, add_double_with_sign,
1815         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1816         lrotate_double, rrotate_double, div_and_round_double): Move ...
1817         * double-int.c: ... here.
1818         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1819         add_double, neg_double, mul_double_with_sign, mul_double,
1820         lshift_double, rshift_double, lrotate_double, rrotate_double,
1821         div_and_round_double): Move prototypes ...
1822         * double-int.h: ... here.
1823
1824 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1825
1826         PR target/43742
1827         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1828         matching constraints to ensure inputs match the output.
1829
1830 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1831
1832         PR target/43742
1833         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1834         in an input-only operand.
1835
1836 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1837
1838         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1839         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1840         (double_int_negative_p): Convert to static inline function.
1841         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1842         (double_int_negative_p): Remove.
1843         * tree.h (lshift_double, rshift_double):
1844         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1845         * fold-const.c (fold_convert_const_int_from_real,
1846         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1847         (lshift_double): Change type of arith argument to bool.
1848         (rshift_double): Change type of arith argument to bool. Correct
1849         comment.
1850         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1851
1852 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1853
1854         PR target/21803
1855         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1856         at the start and end of the then/else blocks, and omit them from the
1857         conversion.
1858         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1859         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1860         (flow_find_head_matching_sequence): New function.
1861         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1862         * basic-block.h (flow_find_cross_jump,
1863         flow_find_head_matching_sequence): Declare functions.
1864
1865 2010-04-14  Jason Merrill  <jason@redhat.com>
1866
1867         PR c++/36625
1868         * c-common.c (attribute_takes_identifier_p): New fn.
1869         * c-common.h: Declare it.
1870
1871 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1872
1873         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1874         splitter condition.
1875         (*udivmod<mode>4): Ditto.
1876
1877 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1878
1879         * config/i386/i386.md (maxmin_int): Rename code attribute from
1880         maxminiprefix and update all users.
1881         (maxmin_float): Ditto from maxminfprefix.
1882         (logic): Ditto from logicprefix.
1883         (absneg_mnemonic): Ditto from absnegprefix.
1884         * config/i386/mmx.md: Update all users of maxminiprefix,
1885         maxminfprefix and logicprefix for rename.
1886         * config/i386/sse.md: Ditto.
1887         * config/i386/sync.md (sync_<code><mode>): Update for
1888         logicprefix rename.
1889
1890 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1891
1892         PR 42966
1893         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1894         warnings converted to errors.
1895
1896 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1897
1898         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1899         used insn_type variable.
1900         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1901         to avoid set-but-not-used warning.
1902
1903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1904
1905         * df-core.c (df_ref_debug): Change format string placeholder
1906         from 0x%x to %#x.
1907         * dwarf2asm.c (dw2_asm_output_data_raw,
1908         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1909         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1910         * dwarf2out.c (output_cfi, output_cfi_directive,
1911         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1912         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1913         Ditto.
1914         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1915         * print-rtl.c (print_rtx): Ditto.
1916
1917 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1918
1919         PR middle-end/42694
1920         * builtins.c (expand_builtin_pow_root): New function to expand pow
1921         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1922         series of sqrt and cbrt calls under -ffast-math.
1923         (expand_builtin_pow): Call it.
1924
1925 2010-04-14  Michael Matz  <matz@suse.de>
1926
1927         PR tree-optimization/42963
1928         * tree-cfg.c (touched_switch_bbs): New static variable.
1929         (group_case_labels_stmt): New function broken out from ...
1930         (group_case_labels): ... here, use the above.
1931         (start_recording_case_labels): Allocate touched_switch_bbs.
1932         (end_recording_case_labels): Deallocate it, call
1933         group_case_labels_stmt.
1934         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1935
1936 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1939         from insn template.
1940
1941 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1942
1943         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1944
1945 2010-04-13  Jan Hubicka  <jh@suse.cz>
1946
1947         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1948         of optimized out static functions.
1949         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1950         cost computation.  Also sanity check for overflows.
1951         (update_caller_keys): Update cgraph_edge_badness call; properly
1952         update fibheap and sanity check that it is up to date.
1953         (add_new_edges_to_heap): Update cgraph_edge_badness.
1954         (cgraph_decide_inlining_of_small_function): Likewise;
1955         add sanity checking that badness in heap is up to date;
1956         improve dumping of reason; Update badness of calls to the
1957         offline copy of function currently inlined; dump badness
1958         of functions not inlined because of unit growth limits.
1959
1960 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1961
1962         PR middle-end/32628
1963         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1964         because of sign-extension change when converting to sizetype here...
1965         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1966
1967         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1968         the folding to constants.  Remove redundant final conversion.
1969         (fold_binary) <associate>: Do not associate if the re-association of
1970         constants alone overflows.
1971         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1972         to the end of the list.
1973         (multiple_of_p) <COND_EXPR>: New case.
1974
1975 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1976
1977         * opt-functions.awk (opt_sanitized_name): New.
1978         (opt_enum): New.
1979         * optc-gen.awk: Use it
1980         * opth-gen.awk: Use it.
1981
1982 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1983
1984         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1985         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1986         children.  Call replace_uses_with_default_def_ssa_name to handle
1987         SSA_NAES on lhs.
1988
1989 2010-04-13  Michael Matz  <matz@suse.de>
1990
1991         PR middle-end/43730
1992         * builtins.c (expand_builtin_interclass_mathfn): Also create
1993         a register if the predicate doesn't match.
1994
1995 2010-04-13  Diego Novillo  <dnovillo@google.com>
1996
1997         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1998         * c-pch.c: Include timevar.h.
1999         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2000         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2001         * ggc-common.c: Include timevar.h.
2002         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2003         * timevar.def (TV_PCH_SAVE): Define.
2004         (TV_PCH_CPP_SAVE): Define.
2005         (TV_PCH_PTR_REALLOC): Define.
2006         (TV_PCH_PTR_SORT): Define.
2007         (TV_PCH_RESTORE): Define.
2008         (TV_PCH_CPP_RESTORE): Define.
2009
2010 2010-04-13  Michael Matz  <matz@suse.de>
2011
2012         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2013         into MINUS_EXPRs.
2014         (can_reassociate_p): New function.
2015         (break_up_subtract_bb, reassociate_bb): Use it.
2016
2017 2010-04-13  Richard Guenther  <rguenther@suse.de>
2018
2019         PR bootstrap/43737
2020         * builtins.c (c_readstr): Fix assert.
2021
2022 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2023
2024         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2025         when generating cltd insn.
2026
2027         (*ashl<mode>3_1): Remove special handling for register operand 2.
2028         (*ashlsi3_1_zext): Ditto.
2029         (*ashlhi3_1): Ditto.
2030         (*ashlhi3_1_lea): Ditto.
2031         (*ashlqi3_1): Ditto.
2032         (*ashlqi3_1_lea): Ditto.
2033         (*<shiftrt_insn><mode>3_1): Ditto.
2034         (*<shiftrt_insn>si3_1_zext): Ditto.
2035         (*<shiftrt_insn>qi3_1_slp): Ditto.
2036         (*<rotate_insn><mode>3_1): Ditto.
2037         (*<rotate_insn>si3_1_zext): Ditto.
2038         (*<rotate_insn>qi3_1_slp): Ditto.
2039
2040 2010-04-13  Richard Guenther  <rguenther@suse.de>
2041
2042         * tree-ssa-structalias.c (callused_id): Remove.
2043         (call_stmt_vars): New.
2044         (get_call_vi): Likewise.
2045         (lookup_call_use_vi): Likewise.
2046         (lookup_call_clobber_vi): Likewise.
2047         (get_call_use_vi): Likewise.
2048         (get_call_clobber_vi): Likewise.
2049         (make_transitive_closure_constraints): Likewise.
2050         (handle_const_call): Adjust to do per-call call-used handling.
2051         (handle_pure_call): Likewise.
2052         (find_what_var_points_to): Remove general callused handling.
2053         (init_base_vars): Likewise.
2054         (init_alias_vars): Initialize call_stmt_vars.
2055         (compute_points_to_sets): Process call-used and call-clobbered
2056         vars for call statements.
2057         (delete_points_to_sets): Free call_stmt_vars.
2058
2059 2010-04-13  Richard Guenther  <rguenther@suse.de>
2060
2061         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2062         Only add RW dependence for dependence distance zero.
2063         Adjust maximal vectorization factor according to dependences.
2064         Move alignment handling ...
2065         (vect_find_same_alignment_drs): ... here.  New function.
2066         (vect_analyze_data_ref_dependences): Adjust.
2067         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2068         (vect_analyze_data_refs): Adjust minimal vectorization factor
2069         according to data references.
2070         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2071         dependences before determining the vectorization factor.
2072         Analyze alignment after determining the vectorization factor.
2073         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2074         dependences before alignment.
2075         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2076         Adjust prototype.
2077         (vect_analyze_data_refs): Likewise.
2078         (MAX_VECTORIZATION_FACTOR): New define.
2079
2080 2010-04-13  Duncan Sands  <baldrick@free.fr>
2081
2082         * except.h (lang_eh_type_covers): Remove.
2083         * except.c (lang_eh_type_covers): Likewise.
2084
2085 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2086             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2087
2088         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2089         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2090         UNITS_PER_LONG where it is ABI relevant.
2091         (s390_return_addr_rtx): Likewise.
2092         (s390_back_chain_rtx): Likewise.
2093         (s390_frame_area): Likewise.
2094         (s390_frame_info): Likewise.
2095         (s390_initial_elimination_offset): Likewise.
2096         (save_gprs): Likewise.
2097         (s390_emit_prologue): Likewise.
2098         (s390_emit_epilogue): Likewise.
2099         (s390_function_arg_advance): Likewise.
2100         (s390_function_arg): Likewise.
2101         (s390_va_start): Likewise.
2102         (s390_gimplify_va_arg): Likewise.
2103         (s390_function_profiler): Likewise.
2104         (s390_optimize_prologue): Likewise.
2105         (s390_rtx_costs): Likewise.
2106         (s390_secondary_reload): Likewise.
2107         (s390_promote_function_mode): Likewise.
2108         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2109         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2110         registers available.
2111         (s390_unwind_word_mode): New function.
2112         (s390_function_value): Split 64 bit values into register pair if
2113         used as return value.
2114         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2115         function call parameters.  Handle parallels.
2116         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2117         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2118         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2119         (s390_expand_setmem): Remove unused variable src_addr.
2120         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2121         deal with 64 bit registers.
2122         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2123         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2124         (UNITS_PER_LONG): New macro.
2125         * libjava/include/s390-signal.h: Define extended ucontext
2126         structure containing the upper halfs of the 64 bit registers.
2127
2128 2010-04-13  Simon Baldwin  <simonb@google.com>
2129
2130         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2131
2132 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2133
2134         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2135         rvalue on the RHS if the LHS is of a non-renamable type.
2136         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2137
2138 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2139
2140         * gcc.c (cc1_options): Handle -iplugindir before processing
2141         the cc1 spec. Only add -iplugindir once.
2142         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2143         found.
2144         * common.opt (iplugindir): Remove `Separate' property, initialize.
2145         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2146         option.
2147         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2148         (distclean): Remove plugin dir.
2149         * doc/invoke.texi: Document -iplugindir.
2150
2151 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2152
2153         * doc/plugins.texi (Loading Plugins): Document short
2154         -fplugin=foo option.
2155         (Plugin API): Mention default_plugin_dir_name function.
2156
2157         * gcc.c (find_file_spec_function): Add new declaration.
2158         (static_spec_func): Use it for "find-file".
2159         (find_file_spec_function): Add new function.
2160         (cc1_options): Add -iplugindir option if -fplugin* options found.
2161
2162         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2163
2164         * plugin.c (add_new_plugin): Updated comment, and handle short
2165         plugin name.
2166         (default_plugin_dir_name): Added new function.
2167
2168         * common.opt (iplugindir): New option to set the plugin directory.
2169
2170 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2171
2172         * config/i386/i386.md (any_rotate): New code iterator.
2173         (rotate_insn): New code attribute.
2174         (rotate): Ditto.
2175         (SWIM124): New mode iterator.
2176         (<rotate_insn>ti3): New expander.
2177         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2178         any_rotate code iterator.
2179         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2180         using any_rotate code iterator and SWIM124 mode iterator.
2181         (ix86_rotlti3): New insn_and_split pattern.
2182         (ix86_rotrti3): Ditto.
2183         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2184         ix86_rotl{di,ti}3 patterns.
2185         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2186         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2187         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2188         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2189         code iterator and SWI mode iterator.
2190         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2191         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2192         code iterator.
2193         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2194         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2195         (bswap rotatert splitter): Add splitter.
2196         (bswap splitter): Macroize splitter using any_rotate code iterator.
2197         Add insn predicate to split only for TARGET_USE_XCHGB or when
2198         optimizing function for size.
2199
2200 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2201
2202         * config/pa/pa.c (emit_move_sequence): Remove use of
2203         deleted variable flag_argument_noalias.
2204
2205 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2206
2207         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2208         configurations.
2209         Add to unsupported targets list.
2210         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2211         sparc*-sun-solaris2.[567]* from target lists.
2212         * configure: Regenerate.
2213         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2214         removal.
2215         Remove Solaris 7 patch references.
2216         (Specific, sparc-sun-solaris2.7): Removed.
2217         (sparc-sun-solaris2*): Update Solaris 7 example.
2218         (sparc64-*-solaris2*): Likewise.
2219
2220 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2221
2222         * config.build (alpha*-dec-osf4*): Remove.
2223         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2224         of obsolete configurations.
2225         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2226         support.
2227         * config/alpha/t-osf4: Renamed to ...
2228         * config/alpha/t-osf5: ... this.
2229         * config/alpha/osf.h: Renamed to ...
2230         * config/alpha/osf5.h: ... this.
2231         Merged old osf5.h contents.
2232         Update comments.
2233         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2234         (EXTRA_SPECS): Removed.
2235         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2236         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2237         Document that.
2238
2239 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2240
2241         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2242
2243 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2244
2245         PR/43702
2246         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2247         __thiscall convention.
2248
2249 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2250
2251         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2252         orig_base.
2253         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2254
2255 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2256
2257         * function.c (assign_parms_initialize_all): Add unused attribute
2258         to fntype.
2259
2260 2010-04-12  Richard Guenther  <rguenther@suse.de>
2261
2262         * gsstruct.def (GSS_CALL): New.
2263         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2264         * gimple.h: Include tree-ssa-alias.h.
2265         (struct gimple_statement_call): New.
2266         (union gimple_statement_struct_d): Add gimple_call member.
2267         (gimple_call_reset_alias_info): Declare.
2268         (gimple_call_use_set): New function.
2269         (gimple_call_clobber_set): Likewise.
2270         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2271         * gimple.c (gimple_call_reset_alias_info): New function.
2272         (gimple_build_call_1): Call it.
2273         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2274         * tree-inline.c (remap_gimple_stmt): Likewise.
2275         (expand_call_inline): Remove callused handling.
2276         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2277         * tree-dfa.c (dump_variable): Likewise.
2278         * tree-parloops.c (parallelize_loops): Likewise.
2279         * tree-ssa.c (init_tree_ssa): Likewise.
2280         (delete_tree_ssa): Likewise.
2281         * tree-flow-inline.h (is_call_used): Remove.
2282         * tree-flow.h (struct gimple_df): Remove callused member.
2283         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2284         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2285         (ref_maybe_used_by_call_p_1): Simplify.
2286         (call_may_clobber_ref_p_1): Likewise.
2287         * tree-ssa-structalias.c (compute_points_to_sets): Set
2288         the call stmt used and clobbered sets.
2289         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2290         (find_tail_calls): Verify the tail call.
2291
2292 2010-04-12  Richard Guenther  <rguenther@suse.de>
2293
2294         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2295         single-iteration always-inline inlining.
2296         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2297         (cgraph_decide_inlining): Do not handle always-inline specially.
2298         (try_inline): Remove always-inline cycle detection special case.
2299         Do not recurse on always-inlines.
2300         (cgraph_early_inlining): Do not iterate if not optimizing.
2301         (cgraph_gate_early_inlining): remove.
2302         (pass_early_inline): Run unconditionally.
2303         (gate_cgraph_decide_inlining): New function.
2304         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2305         not inlining or optimizing.
2306         (cgraph_decide_inlining_of_small_functions): Also consider
2307         always-inline functions.
2308         (cgraph_default_inline_p): Return true for nodes which should
2309         disregard inline limits.
2310         (estimate_function_body_sizes): Assume zero size and time for
2311         nodes which are marked as disregarding inline limits.
2312         (cgraph_decide_recursive_inlining): Do not perform recursive
2313         inlining on always-inline nodes.
2314
2315 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2316
2317         PR bootstrap/43699
2318         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2319         for exprs satisfying handled_component_p.
2320
2321 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2322
2323         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2324         non-constant aggregate elements.
2325
2326         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2327         is a real initialization.
2328
2329 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2330
2331         PR c/36774
2332         * c-decl.c (start_function): Move forward check for nested function.
2333
2334 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2335
2336         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2337         * config/sh/sh.c: Include reload.h.
2338         (sh_legitimize_reload_address): New.
2339         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2340         sh_legitimize_reload_address.
2341
2342 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2343
2344         * config/sh/sh.md (*movqi_pop): New insn pattern.
2345         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2346
2347 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2348
2349         * config/i386/i386.md (any_shiftrt): New code iterator.
2350         (shiftrt_insn): New code attribute.
2351         (shiftrt): Ditto.
2352         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2353         using any_shiftrt code iterator.
2354         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2355         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2356         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2357         pattern from corresponding peephole2 patterns.
2358         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2359         using any_shiftrt code iterator.
2360         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2361         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2362         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2363         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2364         *{ashr,lshr}<mode>3_cmp_zext.
2365         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2366
2367 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2368
2369         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2370         scratch register.
2371         (*lshr<mode>3_cconly): Ditto.
2372
2373 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2374
2375         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2376         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2377         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2378         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2379         DWI mode iterator.
2380         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2381         from corresponding peephole2 patterns.
2382         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2383         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2384         and *lshrdi3_1_rex64 using SWI mode iterator.
2385         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2386         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2387         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2388         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2389         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2390         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2391         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2392         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2393         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2394         SWI mode iterator.
2395
2396 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2397
2398         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2399         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2400         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2401         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2402         DWI mode iterator.
2403         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2404         from corresponding peephole2 patterns.
2405         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2406         (ashrsi3_cvt): Rename from ashrsi3_31.
2407         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2408         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2409         and x86_64_shift_adj_3 using SWI48 mode iterator.
2410         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2411         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2412         and *ashrdi3_1_rex64 using SWI mode iterator.
2413         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2414         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2415         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2416         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2417         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2418         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2419         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2420         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2421         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2422         SWI mode iterator.
2423         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2424         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2425         x86_shift<mode>_adj_3 expanders.
2426
2427 2010-04-10  Wei Guozhi  <carrot@google.com>
2428
2429         PR target/42601
2430         * config/arm/arm.c (arm_pic_static_addr): New function.
2431         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2432         a static symbol.
2433         (arm_output_addr_const_extra): Output expression for new pattern.
2434         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2435
2436 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2437
2438         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2439         not enabled.
2440
2441         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2442         * web.c: Include "insn-config.h" and "recog.h".
2443         (union_match_dups): New function.
2444         (web_main): Call it.
2445         (union_defs): Don't try to recognize match_dups.
2446
2447         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2448         if doing so would replace the entire pattern.
2449
2450 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2451
2452         PR target/43707
2453         PR target/43709
2454         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2455         and splitter pattern.  Change splitter operand 1 predicate to
2456         nonmemory_operand.
2457
2458 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2459
2460         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2461         lattices are addresses of CONST_DECLs with the same initial value.
2462         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2463         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2464
2465 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2466             Bernd Schmidt  <bernds@codesourcery.com>
2467
2468         * loop-invariant.c (replace_uses): New static function.
2469         (move_invariant_reg): Use it to ensure we can replace the uses.
2470
2471 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2472
2473         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2474         function template.
2475         (picochip_override_options): Enable section anchors only above -O1.
2476         (picochip_reorg): Fixed a couple of build warnings.
2477
2478 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2479
2480         * configure.ac (plugin -rdynamic test): Log result.
2481         * configure: Regenerate.
2482         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2483         (RDYNAMIC_SPEC): Define.
2484         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2485
2486 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2487
2488         * configure.ac: Determine Sun ld version numbers.
2489         (comdat_group): Restrict GNU ld version checks to gld.
2490         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2491         (enable_comdat): Support --enable-comdat.
2492         * configure: Regenerate.
2493         * doc/install.texi (Configuration): Document --enable-comdat.
2494
2495 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2496
2497         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2498         * config/sol2-gld.h: ... here.
2499         * config.gcc (sparc*-*-solaris2*): Reflect this.
2500         (i[34567]86-*-solaris2*): Use it.
2501
2502 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2503
2504         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2505         setup_clocks_p.
2506         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2507
2508 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2509
2510         PR 42965
2511         * diagnostic.c (diagnostic_initialize): Initialize
2512         some_warnings_are_errors.
2513         (diagnostic_finish): New.
2514         (diagnostic_action_after_output): Call it before exiting.
2515         (diagnostic_report_diagnostic): Do not print message here. Set
2516         some_warnings_are_errors.
2517         * diagnostic.h (diagnostic_context): Delete
2518         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2519         (diagnostic_finish): Declare.
2520         * toplev.c (toplev_main): Call it before exit.
2521
2522 2010-04-09  Jason Merrill  <jason@redhat.com>
2523
2524         PR c++/42623
2525         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2526         for incomplete type.
2527
2528         PR c++/41788
2529         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2530         based on a warning flag.
2531
2532 2010-04-09  Richard Guenther  <rguenther@suse.de>
2533
2534         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2535
2536 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2537
2538         PR bootstrap/43684
2539         * varasm.c (default_assemble_visibility): Wrap vars that are
2540         set, but unused, by targets without GAS.
2541         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2542         Remove set, but unused, vars.
2543         (rs6000_legitimize_tls_address): Likewise.
2544         (altivec_expand_dst_builtin): Likewise.
2545         * config/darwin.c (machopic_classify_symbol): Likewise.
2546         (machopic_indirection_name): Likewise.
2547
2548 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2549
2550         * config/i386/i386.md (DWI): New mode iterator.
2551         (S): New mode attribute.
2552         (shift_operand): Ditto.
2553         (shift_immediate_operand): Ditto.
2554         (ashl_input_operand): Ditto.
2555         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2556         using SDWIM mode iterator.
2557         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2558         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2559         DWI mode iterator.
2560         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2561         from corresponding peephole2 patterns.
2562         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2563         and x86_64_shift_adj_1 using SWI48 mode iterator.
2564         (x86_shift<mode>_adj_2): Ditto.
2565         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2566         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2567         using SWI48 mode iterator.
2568         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2569         *ashldi3_cmp_rex64 using SWI mode iterator.
2570         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2571         *ashldi3_cconly_rex64 using SWI mode iterator.
2572         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2573         x86_shift<mode>_adj_{1,2}.
2574         (ix86_split_ashr): Ditto.
2575         (ix86_split_lshr): Ditto.
2576
2577 2010-04-09  Richard Guenther  <rguenther@suse.de>
2578
2579         * target.h (builtin_conversion): Pass in input and output types.
2580         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2581         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2582         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2583         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2584
2585         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2586         Handle AVX modes.
2587         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2588
2589 2010-04-09  Richard Guenther  <rguenther@suse.de>
2590
2591         PR target/43152
2592         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2593
2594 2010-04-09  Richard Guenther  <rguenther@suse.de>
2595
2596         * tree-vectorizer.h (struct _stmt_vec_info): Document
2597         that vectype is the type of the LHS.
2598         (supportable_widening_operation, supportable_narrowing_operation):
2599         Get both input and output vector types as arguments.
2600         (vect_is_simple_use_1): Declare.
2601         (get_same_sized_vectype): Likewise.
2602         * tree-vect-loop.c (vect_determine_vectorization_factor):
2603         Set STMT_VINFO_VECTYPE to the vector type of the def.
2604         (vectorizable_reduction): Adjust.
2605         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2606         Adjust.  Specify the output vector type.
2607         (vect_pattern_recog_1): Adjust.
2608         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2609         (vectorizable_call): Adjust.
2610         (vectorizable_conversion): Likewise.
2611         (vectorizable_operation): Likewise.
2612         (vectorizable_type_demotion): Likewise.
2613         (vectorizable_type_promotion): Likewise.
2614         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2615         the def.
2616         (vect_is_simple_use_1): New function.
2617         (supportable_widening_operation): Get both input and output
2618         vector types.
2619         (supportable_narrowing_operation): Likewise.
2620         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2621
2622 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2623
2624         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2625         __thiscall and _thiscall as predefined macros.
2626         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2627         thiscall attribute handling.
2628         (ix86_comp_type_attributes): Likewise.
2629         (ix86_function_regparm): Likewise.
2630         (ix86_return_pops_args): Likewise.
2631         (init_cumulative_args): Likewise.
2632         (find_drap_reg): Likewise.
2633         (ix86_static_chain): Likewise.
2634         (x86_this_parameter): Likewise.
2635         (x86_output_mi_thunk): Likewise.
2636         (ix86_attribute_table): Add description for thiscall attribute.
2637         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2638         * doc/extend.texi: Add documentation for thiscall.
2639
2640 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2641
2642         PR c++/28584
2643         * c.opt (Wint-to-pointer-cast): Available in C++.
2644         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2645
2646 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2647
2648         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2649         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2650         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2651         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2652         function type instead.  Reorder and simplify checks.
2653
2654         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2655
2656 2010-04-08  Jing Yu  <jingyu@google.com>
2657             Zdenek Dvorak  <ook@ucw.cz>
2658
2659         PR tree-optimization/42720
2660         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2661         loop unswitch conditions here from ...
2662         (tree_unswitch_single_loop): ... here.
2663
2664 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2665
2666         * tree-if-conv.c: Fix comments and simplify logic.
2667
2668 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2669
2670         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2671         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2672         (main_tree_if_conversion): Update call to tree_if_conversion.
2673
2674 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2675
2676         PR 42485
2677         * doc/invoke.texi (-b,-V): Delete.
2678         * doc/tm.texi: Do not mention -b.
2679         * gcc.c (display_help): Delete -b and -V.
2680         (process_command): Delete -b and -V.
2681         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2682
2683 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2684             Wolfgang Gellerich  <gellerich@de.ibm.com>
2685
2686         Implement target hook for loop unrolling
2687         * target.h (loop_unroll_adjust): Add a new target hook function.
2688         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2689         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2690         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2691         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2692         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2693         target hook.
2694         (decide_unroll_stupid): Likewise.
2695
2696 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2697
2698         PR target/43643
2699         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2700
2701 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2702
2703         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2704         (Specific, *-*-solaris2*): Likewise.
2705         Don't prefer Sun as over GNU as.
2706
2707 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2708
2709         * config/s390/s390.c (override_options): Adjust the z10
2710           defaults for max-unroll-times, max-completely-peeled-insns
2711           and max-completely-peel-times.
2712
2713 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2714
2715         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2716         instructions for z10.
2717         (s390_expand_setmem): Likewise.
2718         (s390_expand_cmpmem): Likewise.
2719
2720 2010-04-08  Richard Guenther  <rguenther@suse.de>
2721
2722         PR tree-optimization/43679
2723         * tree-ssa-pre.c (eliminate): Only propagate copies.
2724
2725 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR bootstrap/43681
2728         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2729         set but not used variable warning.
2730
2731 2010-04-08  Wei Guozhi  <carrot@google.com>
2732
2733         PR target/41653
2734         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2735         (arm_size_rtx_costs): Call the new function when optimized for size.
2736
2737 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2738
2739         PR debug/43670
2740         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2741         op0 is not a MEM, just return NULL instead of assertion
2742         failure.
2743         (discover_nonconstant_array_refs): Don't walk debug stmts.
2744
2745 2010-04-08  Doug Kwan  <dougkwan@google.com>
2746
2747         * configure.ac: Recognize gold and do not use its version number
2748         to test ld features.
2749         * configure: Regenerate.
2750
2751 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2752
2753         PR middle-end/40815
2754         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2755         (negate_value): Move code to push elements to broken_up_substracts ...
2756         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2757         negative pair to plus_negates.
2758         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2759
2760 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2761
2762         * doc/install.texi (Configuration): Move description of
2763         --enable-lto, --with-libelf*, --enable-gold from Java section to
2764         general section.
2765
2766         * doc/generic.texi (Working with declarations)
2767         (Function Properties, C and C++ Trees): Fix typos.
2768         * doc/sourcebuild.texi (Top Level): Likewise.
2769
2770 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2771
2772         PR c/18624
2773         * tree.h (DECL_READ_P): Define.
2774         (struct tree_decl_common): Add decl_read_flag.
2775         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2776         a set but not used warning.
2777         (merge_decls): Merge DECL_READ_P flag.
2778         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2779         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2780         * c-common.c (handle_used_attribute, handle_unused_attribute):
2781         Likewise.
2782         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2783         New prototypes.
2784         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2785         New functions.
2786         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2787         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2788         c_parser_binary_expression, c_parser_cast_expression,
2789         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2790         Call default_function_array_read_conversion instead of
2791         default_function_array_conversion where needed.
2792         (c_parser_unary_expression, c_parser_conditional_expression,
2793         c_parser_postfix_expression_after_primary, c_parser_initelt):
2794         Likewise.  Call mark_exp_read where needed.
2795         (c_parser_statement_after_labels, c_parser_asm_operands,
2796         c_parser_typeof_specifier, c_parser_sizeof_expression,
2797         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2798         where needed.
2799         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2800         New.
2801         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2802         (warn_unused_but_set_parameter): Default to warn_unused
2803         && extra_warnings.
2804         * doc/invoke.texi: Document -Wunused-but-set-variable and
2805         -Wunused-but-set-parameter.
2806
2807         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2808         used count variable.
2809         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2810         when operandN variables aren't used in the body of the expander
2811         or splitter.
2812         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2813         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2814         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2815         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2816         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2817         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2818         * tree.c (PROCESS_ARG): Likewise.
2819
2820 2010-04-07  Simon Baldwin  <simonb@google.com>
2821
2822         * diagnostic.h (diagnostic_override_option_index): New macro to
2823         set a diagnostic's option_index.
2824         * c-tree.h (c_cpp_error): Add warning reason argument.
2825         * opts.c (_warning_as_error_callback): New.
2826         (register_warning_as_error_callback): Store callback for
2827         warnings enabled via enable_warning_as_error.
2828         (enable_warning_as_error): Call callback, minor code tidy.
2829         * opts.h (register_warning_as_error_callback): Declare.
2830         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2831         response to -Werror=.
2832         (c_common_init_options): Register warning_as_error_callback in opts.c.
2833         * common.opt: Add -Wno-cpp option.
2834         * c-common.c (struct reason_option_codes_t): Map cpp warning
2835         reason codes to gcc option indexes.
2836         * (c_option_controlling_cpp_error): New function, lookup the gcc
2837         option index for a cpp warning reason code.
2838         * (c_cpp_error): Add warning reason argument, call
2839         c_option_controlling_cpp_error for diagnostic_override_option_index.
2840         * doc/invoke.texi: Document -Wno-cpp.
2841
2842 2010-04-07  Richard Guenther  <rguenther@suse.de>
2843
2844         * ipa-reference.c (mark_load): Use get_base_address.
2845         (mark_store): Likewise.
2846
2847         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2848         inserting GIMPLE_NOPs into the IL.
2849         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2850         Explicitly strip handled components and indirect references.
2851
2852         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2853         folding address expressions.
2854         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2855         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2856         operand_equal_p to compare decls.
2857         (ptr_deref_may_alias_decl_p): Likewise.
2858         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2859         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2860         Handle reversed comparison ops.
2861         * tree-sra.c (asm_visit_addr): Use get_base_address.
2862         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2863         * ipa-reference.c (mark_address): Use get_base_address.
2864
2865 2010-04-07  Richard Guenther  <rguenther@suse.de>
2866
2867         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2868         Propagate constants everywhere.
2869
2870 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2871
2872         PR debug/43516
2873         * tree.c (MAX_INT_CACHED_PREC): Define.
2874         (nonstandard_integer_type_cache): New array.
2875         (build_nonstandard_integer_type): Cache results for precision
2876         <= MAX_INT_CACHED_PREC.
2877
2878 2010-04-07  Richard Guenther  <rguenther@suse.de>
2879
2880         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2881         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2882         * common.opt: Likewise.
2883         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2884         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2885         (nonoverlapping_memrefs_p): Likewise.
2886         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2887         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2888         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2889         OPT_fargument_noalias_global for backward compatibility.
2890
2891 2010-04-07  Richard Guenther  <rguenther@suse.de>
2892
2893         PR tree-optimization/43270
2894         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2895         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2896         * tree-ssa-pre.c (phi_translate_1): Adjust.
2897         (fully_constant_expression): Split out vn_reference handling to ...
2898         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2899         Fold reads from constant strings.
2900         (vn_reference_lookup): Handle fully constant references.
2901         (vn_reference_lookup_pieces): Likewise.
2902         * Makefile.in (expmed.o-warn): Add -Wno-error.
2903
2904 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2905
2906         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2907
2908 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2909
2910         PR driver/41594
2911         * gcc.c: Add -static-libstdc++ to list of recognized options.
2912
2913 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2914
2915         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2916
2917 2010-04-07  Richard Guenther  <rguenther@suse.de>
2918
2919         PR middle-end/42617
2920         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2921         bases build simple mem attributes to retain points-to information.
2922
2923 2010-04-07  Richard Guenther  <rguenther@suse.de>
2924
2925         PR middle-end/42617
2926         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2927         preserve points-to related information.
2928
2929 2010-04-07  Richard Guenther  <rguenther@suse.de>
2930
2931         PR middle-end/42617
2932         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2933         discard plain indirect references.
2934         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2935         * tree.c (tree_nop_conversion): Likewise.
2936
2937 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2938
2939         PR debug/43628
2940         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2941
2942 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2943
2944         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2945         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2946
2947 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2948
2949         * tree-if-conv.c: Fix indentation and comments.
2950
2951 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2952
2953         * tree-if-conv.c: Sort static functions in topological order.
2954
2955 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2956
2957         * tree-if-conv.c: Fix indentation and comments.
2958
2959 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2960
2961         PR middle-end/43519
2962         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2963         lang_hooks.types.type_for_size instead of
2964         build_nonstandard_integer_type.
2965         When converting an unsigned type to signed, double its precision.
2966         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2967         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2968         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2969         use lb <= ub.
2970
2971 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2972
2973         PR middle-end/43519
2974         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2975         POINTER_PLUS_EXPR for pointer types.
2976
2977 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2978
2979         PR middle-end/43519
2980         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2981         * graphite-clast-to-gimple.c: Include langhooks.h.
2982         (max_signed_precision_type): New.
2983         (max_precision_type): Takes two types as arguments.
2984         (precision_for_value): New.
2985         (precision_for_interval): New.
2986         (gcc_type_for_interval): New.
2987         (gcc_type_for_value): New.
2988         (gcc_type_for_clast_term): New.
2989         (gcc_type_for_clast_red): New.
2990         (gcc_type_for_clast_bin): New.
2991         (gcc_type_for_clast_expr): Split up into several functions.
2992         (gcc_type_for_clast_eq): Rewritten.
2993         (compute_bounds_for_level): New.
2994         (compute_type_for_level_1): New.
2995         (compute_type_for_level): New.
2996         (gcc_type_for_cloog_iv): Removed.
2997         (gcc_type_for_iv_of_clast_loop): Rewritten.
2998         (graphite_create_new_loop): Compute the lower and upper bound types
2999         with gcc_type_for_clast_expr.
3000         (graphite_create_new_loop_guard): Same.
3001         (find_cloog_iv_in_expr): Removed.
3002         (compute_cloog_iv_types_1): Removed.
3003         (compute_cloog_iv_types): Removed.
3004         (gloog): Do not call compute_cloog_iv_types.
3005         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3006         GBB_CLOOG_IV_TYPES.
3007         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3008         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3009         (GBB_CLOOG_IV_TYPES): Removed.
3010
3011 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3014         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3015         (detect_commutative_reduction): Same.
3016
3017 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3018
3019         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3020         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3021         argument.
3022         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3023         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3024         (rewrite_commutative_reductions_out_of_ssa): Same.
3025         * passes.c (execute_function_todo): Call verify_ssa for every pass
3026         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3027         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3028         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3029         with an extra argument.
3030         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3031         verify_ssa only when the extra argument is true.
3032         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3033         with an extra argument.
3034         (tree_transform_and_unroll_loop): Same.
3035
3036 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3037
3038         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3039         for all the passes of the LNO having LOOP_CLOSED_SSA.
3040         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3041         * tree-loop-distribution.c (pass_loop_distribution): Same.
3042         * tree-pass.h (TODO_verify_loops): Removed.
3043         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3044         (pass_lim): Same.
3045         (pass_tree_unswitch): Same.
3046         (pass_predcom): Same.
3047         (pass_vectorize): Same.
3048         (pass_linear_transform): Same.
3049         (pass_graphite_transforms): Same.
3050         (pass_iv_canon): Same.
3051         (pass_complete_unroll): Same.
3052         (pass_complete_unrolli): Same.
3053         (pass_parallelize_loops): Same.
3054         (pass_loop_prefetch): Same.
3055         (pass_iv_optimize): Same.
3056
3057 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3058
3059         PR middle-end/32824
3060         * passes.c (init_optimization_passes): Move pass_lim before
3061         pass_copy_prop and pass_dce_loop.
3062
3063 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3064
3065         PR target/43667
3066         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3067         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3068         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3069         MULTI_* defines for 4 argument vpermil2p* builtins.
3070
3071 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3072
3073         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3074         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3075         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3076         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3077         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3078         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3079         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3080         Use x86_maybe_negate_const_int to output insn mnemonic.
3081         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3082         check from instruction predicate.  Update comments.
3083         * config/i386/sync.md (sync_add<mode>): Use
3084         x86_maybe_negate_const_int to output insn mnemonic.
3085
3086 2010-04-06  Jan Hubicka  <jh@suse.cz>
3087
3088         PR tree-optimization/42906
3089         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3090         IGNORE_SELF argument.  Set visited_control_parents for fully
3091         processed BBs.
3092         (find_obviously_necessary_stmts): Update call of
3093         mark_control_dependent_edges_necessary.
3094         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3095
3096 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3097
3098         * config/i386/i386.md: Remove comment about 'e' and 'E'
3099         operand modifier.
3100
3101 2010-04-06  Richard Guenther  <rguenther@suse.de>
3102
3103         PR tree-optimization/43627
3104         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3105         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3106         not varying.
3107
3108 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3109
3110         * BASE-VER: Change to 4.6.0.
3111
3112         PR target/43638
3113         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3114         handling.
3115
3116 2010-04-06  Richard Guenther  <rguenther@suse.de>
3117
3118         PR middle-end/43661
3119         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3120
3121 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3122
3123         * doc/invoke.texi (Optimize Options): Document that LTO
3124         won't remove object access purely due to incompatible
3125         declarations.
3126
3127 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3128
3129         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3130         Initialize variable.
3131
3132 2010-04-03  Richard Guenther  <rguenther@suse.de>
3133
3134         PR middle-end/42509
3135         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3136         require a non-NULL MEM_OFFSET.
3137
3138 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3139
3140         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3141         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3142         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3143         config/alpha/predicates.md, config/arm/arm.md,
3144         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3145         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3146         config/darwin9.h, config/darwin.c, config/darwin.h,
3147         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3148         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3149         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3150         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3151         config/mips/mips.md, config/mn10300/mn10300.c,
3152         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3153         config/rs6000/aix.h, config/rs6000/dfp.md,
3154         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3155         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3156         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3157         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3158         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3159         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3160         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3161         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3162         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3163         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3164         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3165         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3166         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3167         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3168         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3169         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3170         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3171         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3172         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3173         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3174         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3175         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3176         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3177         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3178         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3179         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3180         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3181         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3182         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3183         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3184         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3185         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3186         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3187         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3188         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3189         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3190
3191 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3192
3193         PR other/43620
3194         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3195         * aclocal.m4: Regenerate.
3196
3197 2010-04-02  Richard Guenther  <rguenther@suse.de>
3198
3199         PR tree-optimization/43629
3200         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3201         if we have seen a constant value.
3202
3203 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3204
3205         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3206
3207 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3208
3209         PR target/43469
3210         * arm.c (legitimize_tls_address): Adjust call to
3211         gen_tls_load_dot_plus_four.
3212         (arm_note_pic_base): New function.
3213         (arm_cannot_copy_insn_p): Use it.
3214         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3215         constraint.
3216
3217 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3218
3219         PR bootstrap/43531
3220
3221         Revert:
3222         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3223
3224         * Makefile.in ($(out_object_file)): Depend on
3225         gt-$(basename $(notdir $(out_file))).h.
3226
3227 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3228
3229         * config.gcc (lm32-*-rtems*): Add t-lm32.
3230
3231 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3232
3233         * config.gcc: Add lm32-*-rtems*.
3234         * config/lm32/rtems.h: New file.
3235
3236 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3237
3238         PR target/42609
3239         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3240
3241 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3242
3243         * dwarf2out.c (output_compilation_unit_header): For
3244         -gdwarf-4 use version 4 instead of version 3.
3245         (output_line_info): For version 4 and above emit additional
3246         maximum ops per insn header field.
3247         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3248
3249         * dwarf2out.c (is_c_family, is_java): Remove.
3250         (lower_bound_default): New function.
3251         (add_bound_info, gen_descr_array_type_die): Use it.
3252
3253 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3254
3255         PR debug/43325
3256         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3257         re-declaration when it happens in a function.
3258
3259 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3260
3261         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3262         (cgraph_remove_function_insertion_hook): Same.
3263         (cgraph_call_function_insertion_hooks): Same.
3264
3265 2010-04-01  Richard Guenther  <rguenther@suse.de>
3266
3267         PR middle-end/43614
3268         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3269         and TREE_THIS_VOLATILE.
3270         (copy_ref_info): Likewise.
3271         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3272         * tree.c (build6_stat): Ignore side-effects of all but arg5
3273         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3274         TARGET_MEM_REF.
3275
3276 2010-04-01  Richard Guenther  <rguenther@suse.de>
3277
3278         PR tree-optimization/43607
3279         * ipa-type-escape.c (check_call): Do not access non-existing
3280         arguments.
3281
3282 2010-04-01  Richard Guenther  <rguenther@suse.de>
3283
3284         PR middle-end/43602
3285         Revert
3286         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3287                     Jack Howarth <howarth@bromo.med.uc.edu>
3288
3289         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3290         variables TLS.
3291
3292 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3293
3294         * doc/install.texi (Prerequisites): Document libelf usability on
3295         IRIX 5/6 and Solaris 2.
3296         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3297         Update GNU as, GNU ld requirements.
3298         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3299         Document Sun Studio compiler download.
3300         Update and simplify as, ld recommendations.
3301         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3302
3303 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3304
3305         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3306         with_tune_32 to pentium4.
3307
3308 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3309
3310         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3311
3312 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3313
3314         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3315         obsoletion, removal.
3316         Update IDO URL.
3317         Document GNU as requirement.
3318         Update configure requirements.
3319         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3320         Recomment IRIX 6.5.18+.
3321         Document IDF/IDL requirement.
3322         Document GNU as requirement.
3323         Document GNU ld bootstrap failure.
3324         Remove freeware.sgi.com reference.
3325
3326 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3327
3328         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3329         UNIX V4.0, V5.0 obsoletion, removal.
3330         Remove --with-gc=simple reference.
3331         Update VM requirements during bootstrap.
3332         Remove -oldas bootstrap description.
3333         Update binutils reference.
3334         Remove comparison failure note.
3335
3336 2010-03-31  Richard Guenther  <rguenther@suse.de>
3337             Zdenek Dvorak  <ook@ucw.cz>
3338             Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         PR middle-end/43464
3341         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3342         with multiple arguments.
3343         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3344
3345 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3346
3347         * graphite-dependences.c (print_pddr): Call print_pdr with an
3348         extra argument.
3349         * graphite-poly.c (debug_pdr): Add an extra argument for the
3350         verbosity level.
3351         (print_pdr): Same.
3352         (print_pbb_domain): Same.
3353         (print_pbb): Same.
3354         (print_scop_context): Same.
3355         (print_scop): Same.
3356         (print_cloog): Same.
3357         (debug_pbb_domain): Same.
3358         (debug_pbb): Same.
3359         (print_pdrs): Same.
3360         (debug_pdrs): Same.
3361         (debug_scop_context): Same.
3362         (debug_scop): Same.
3363         (debug_cloog): Same.
3364         (print_scop_params): Same.
3365         (debug_scop_params): Same.
3366         (print_iteration_domain): Same.
3367         (print_iteration_domains): Same.
3368         (debug_iteration_domain): Same.
3369         (debug_iteration_domains): Same.
3370         (print_scattering_function): Same.
3371         (print_scattering_functions): Same.
3372         (debug_scattering_function): Same.
3373         (debug_scattering_functions): Same.
3374         * graphite-poly.h (debug_pdr): Update declaration.
3375         (print_pdr): Same.
3376         (print_pbb_domain): Same.
3377         (print_pbb): Same.
3378         (print_scop_context): Same.
3379         (print_scop): Same.
3380         (print_cloog): Same.
3381         (debug_pbb_domain): Same.
3382         (debug_pbb): Same.
3383         (print_pdrs): Same.
3384         (debug_pdrs): Same.
3385         (debug_scop_context): Same.
3386         (debug_scop): Same.
3387         (debug_cloog): Same.
3388         (print_scop_params): Same.
3389         (debug_scop_params): Same.
3390         (print_iteration_domain): Same.
3391         (print_iteration_domains): Same.
3392         (debug_iteration_domain): Same.
3393         (debug_iteration_domains): Same.
3394         (print_scattering_function): Same.
3395         (print_scattering_functions): Same.
3396         (debug_scattering_function): Same.
3397         (debug_scattering_functions): Same.
3398
3399 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3400
3401         * graphite-poly.c (print_scattering_function_1): New.
3402         (print_scattering_function): Call it.
3403         (print_scop_params): Remove spaces at the end of lines.
3404         (print_cloog): New.
3405         (debug_cloog): New.
3406         * graphite-poly.h (print_cloog): Declared.
3407         (debug_cloog): Declared.
3408
3409 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3412         in loop->header.
3413         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3414         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3415         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3416         to switch between adding the IV bump in loop->latch or in loop->header.
3417
3418 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3419
3420         * graphite-poly.c (print_scattering_function): Pretty print following
3421         the scoplib format.
3422         (print_pdr): Same.
3423         (print_pbb_domain): Same.
3424         (dump_gbb_cases): Same.
3425         (dump_gbb_conditions): Same.
3426         (print_pdrs): Same.
3427         (print_pbb): Same.
3428         (print_scop_params): Same.
3429         (print_scop_context): Same.
3430         (print_scop): Same.
3431         (print_pbb_body): New.
3432         (lst_indent_to): New.
3433         (print_lst): Start new lines with a #.
3434         * graphite-poly.h (pbb_bb): New.
3435         (pbb_index): Use pbb_bb.
3436         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3437         disjuncts.
3438         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3439
3440 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3441
3442         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3443         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3444         and 0 instead of 1 for dw_val_class_flag.
3445         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3446         dw_val_class_range_list, dw_val_class_loc_list,
3447         dw_val_class_lineptr and dw_val_class_macptr, use
3448         DW_FORM_flag_present for dw_val_class_flag and
3449         DW_FORM_exprloc for dw_val_class_loc.
3450         (output_die): For -gdwarf-4 print dw_val_class_loc
3451         size as uleb128 instead of 1 or 2 bytes and don't print
3452         anything for dw_val_class_flag.
3453
3454         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3455         instead of cselib_lookup following by tweaking locs->setting_insn.
3456
3457         PR bootstrap/43596
3458         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3459         even before returning from label, setjmp call or volatile asm
3460         handling.
3461
3462 2010-03-31  Richard Guenther  <rguenther@suse.de>
3463
3464         PR middle-end/43600
3465         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3466         temporary data on stack.
3467
3468 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3469
3470         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3471         (PUSHSECTION_ASM_OP): Remove.
3472         (POPSECTION_ASM_OP): Remove.
3473         (PUSHSECTION_FORMAT): Remove.
3474         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3475         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3476         * config/sol2.c (solaris_output_init_fini): Use it.
3477
3478 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3479
3480         PR 43574
3481         * opt-functions.awk (var_type_struct): Use signed char type
3482         for simple variables.
3483
3484 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3485
3486         * config/sol2.c: Include output.h.
3487         (solaris_assemble_visibility): New function.
3488         * config/t-sol2 (sol2.o): Add output.h dependency.
3489         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3490         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3491         Redefine.
3492
3493 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3494
3495         PR target/43580
3496         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3497         V2SImode or XFmode on PRE_DEC.
3498
3499         PR debug/43557
3500         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3501         BLKmode.
3502
3503 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3504
3505         PR 43562
3506         * reload.h (caller_save_initialized_p): Declare.
3507         * toplev.c (backend_init_target): Don't call
3508         init_caller_save but set caller_save_initialized_p to false.
3509         * caller-save.c (caller_save_initialized_p): Define.
3510         (init_caller_save): Check caller_save_initialized_p.
3511         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3512
3513 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3514
3515         PR target/39048
3516         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3517         and soft-fp/t-softfp to tmake_file.
3518         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3519         (LIBGCC2_TF_CEXT): Define.
3520         (TF_SIZE): Define.
3521
3522 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3523
3524         PR debug/42977
3525         * cselib.c (n_useless_values): Document handling of debug locs.
3526         (n_useless_debug_values, n_debug_values): New variables.
3527         (new_elt_loc_list): Don't add to debug values, keep count.
3528         (promote_debug_loc): New.
3529         (cselib_reset_table): Zero new variables.
3530         (entry_and_rtx_equal_p): Promote debug locs.
3531         (discard_useless_locs): Increment n_useless_debug_values for
3532         debug values.
3533         (remove_useless_values): Adjust n_useless_values and n_debug_values
3534         with n_useless_debug_values.
3535         (add_mem_for_addr): Promote debug locs.
3536         (cselib_lookup_mem): Likewise.
3537         (cselib_lookup_addr): Renamed to...
3538         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3539         (cselib_log_lookup): ... this.  Turn into...
3540         (cselib_lookup_addr): ... new wrapper.
3541         (cselib_lookup_from_insn): New.
3542         (cselib_invalidate_regno): Increment n_useless_debug_values for
3543         debug values.
3544         (cselib_invalidate_mem): Likewise.
3545         (cselib_process_insn): Take n_deleted and n_debug_values into
3546         account to guard remove_useless_value call.
3547         (cselib_finish): Zero n_useless_debug_values.
3548         * cselib.h (cselib_lookup_from_insn): Declare.
3549         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3550         (sched_analyze_2): Likewise.
3551
3552 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3553
3554         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3555         functions.
3556         (adjust_mems): Replace narrowing SUBREG of expression containing
3557         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3558         with operations in the narrower mode.
3559
3560         PR debug/43593
3561         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3562         regs_invalidated_by_call instead all call_used_reg_set registers.
3563
3564 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3565
3566         PR middle-end/43430
3567         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3568         pointer comparisons with types_compatible_p.
3569         * tree-vect-stmts.c (vectorizable_call): Same.
3570         (vectorizable_condition): Same.
3571
3572 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3573
3574         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3575         stack check if the mask would be zero.
3576
3577 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3578             Jack Howarth <howarth@bromo.med.uc.edu>
3579
3580         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3581         variables TLS.
3582
3583 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3584
3585         PR other/25232
3586         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3587         and __unordtf2.
3588         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3589         Include ___unordxf2 and ___unordtf2.
3590         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3591         GCC_4.4.0 here.
3592
3593 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3594
3595         * config/lm32/t-lm32: New file.
3596         * config.gcc: Use the above file when targetting lm32.
3597
3598 2010-03-28  Duncan Sands  <baldrick@free.fr>
3599
3600         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3601
3602 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         PR middle-end/43431
3605         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3606         Improve vectorization cost model diagnostic.
3607
3608 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3609
3610         PR middle-end/43436
3611         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3612         compute_data_dependences_for_loop returns false, early exit
3613         and output an extra diagnostic for the failed data reference
3614         analysis.
3615
3616 2010-03-29  Richard Guenther  <rguenther@suse.de>
3617
3618         PR tree-optimization/43560
3619         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3620         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3621
3622 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3623
3624         PR 43564
3625         * toplev.c (process_options): Set optimization_default_node
3626         and optimization_current_node.
3627         * opts.c (decode_options): Don't set optimization_default_node
3628         and optimization_current_node.
3629
3630 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3631
3632         * config/rtems.h: Abandon -qrtems_debug.
3633
3634 2010-03-28  Jan Hubicka  <jh@suse.cz>
3635
3636         PR tree-optimization/43505
3637         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3638         map should not be copied.
3639
3640 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3641
3642         PR middle-end/41674
3643         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3644         cdtors, set DECL_PRESERVE_P.
3645         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3646         should be preseved.
3647
3648 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3649
3650         PR tree-optimization/43528
3651         * stor-layout.c (place_field): Check that constant fits into
3652         unsigned HWI when skipping calculation of MS bitfield layout.
3653
3654 2010-03-27  Jan Hubicka  <jh@suse.cz>
3655
3656         PR middle-end/43391
3657         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3658         notice_global_symbol work.
3659
3660 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3661
3662         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3663         instead of dwarf2out_decl.
3664         (struct var_loc_node): Remove section_label field.
3665         (dwarf2out_function_decl): New function.
3666         (dwarf2out_var_location): Don't set section_label field.
3667         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3668
3669 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3670
3671         PR tree-optimization/43544
3672         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3673         First argument for builtin vectorized function hook is now a
3674         tree to be able to distinguish between machine specific and
3675         standard builtins.
3676         * targhooks.c (default_builtin_vectorized_function): Ditto.
3677         * targhooks.h (default_builtin_vectorized_function): Ditto.
3678         * target.h (struct gcc_target): Ditto.
3679         * tree-vect-stmts.c (vectorizable_function): Ditto.
3680         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3681         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3682         Ditto.
3683
3684 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3685
3686         PR c/43381
3687         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3688         nested binding iff it is a FUNCTION_DECL.
3689         (store_parm_decls_newstyle): Pass nested=true to bind for
3690         FUNCTION_DECLs amongst parameters.
3691
3692 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3693
3694         * var-tracking.c (vt_expand_loc_callback): Don't run
3695         cselib_expand_value_rtx_cb in dummy mode if
3696         cselib_dummy_expand_value_rtx_cb returned false.
3697
3698         * var-tracking.c (emit_note_insn_var_location): For one part
3699         notes with offset 0, don't add EXPR_LIST around the location.
3700         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3701         add_location_or_const_value_attribute): Adjust for that change.
3702
3703         PR debug/43540
3704         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3705         into first operand and location into second.
3706         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3707         dw_cfi_oprnd_loc for DW_CFA_expression.
3708         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3709         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3710         assume first argument is regnum and second argument is location.
3711
3712 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3713
3714         PR target/42113
3715         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3716         of scratch register to DImode.  Split to DImode comparison operator.
3717         Use SImode subreg of scratch register in the multiplication.
3718         (*cmp_sadd_sidi): Ditto.
3719         (*cmp_ssub_si): Ditto.
3720         (*cmp_ssub_sidi): Ditto.
3721
3722 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3723
3724         PR target/43524
3725         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3726         Remove invalid assert and wrong comment.
3727
3728 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3729
3730         PR debug/43516
3731         * flags.h (final_insns_dump_p): New extern.
3732         * final.c (final_insns_dump_p): New variable.
3733         (rest_of_clean_state): Set it before -fdump-final-insns=
3734         dumping, clear afterwards.
3735         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3736         MEM_ALIAS_SET on MEMs.
3737
3738 2010-03-26  David S. Miller  <davem@davemloft.net>
3739
3740         * configure.ac: Fix sparc GOTDATA_OP bug check.
3741         * configure: Rebuild.
3742
3743 2010-03-26  Alan Modra  <amodra@gmail.com>
3744
3745         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3746
3747 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3748
3749         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3750         TLS_SECTION_ASM_FLAG.
3751
3752 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3753
3754         PR bootstrap/43511
3755         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3756         Clear first_function_block_is_cold.
3757
3758         PR c/43385
3759         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3760         argument if the argument is truth_value_p.
3761
3762 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3763
3764         * config/rs6000/constraints.md: Update copyright year for my changes.
3765
3766         PR target/43484
3767         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3768         used in reg+reg addressing, swap registers.
3769
3770 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3771
3772         PR debug/43293
3773         * target.h (struct gcc_target): Add code_end hook.
3774         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3775         if not yet defined.
3776         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3777         * toplev.c (compile_file): Call targetm.asm_out.code_end
3778         hook before unwind info/debug info output.
3779         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3780         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3781         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3782         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3783         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3784         * config/i386/i386.c (ix86_file_end): Renamed to...
3785         (ix86_code_end): ... this.  Make static.  Don't call
3786         file_end_indicate_exec_stack.  Emit unwind info using
3787         final_start_function/final_end_function.
3788         (darwin_x86_file_end): Remove.
3789         (TARGET_ASM_CODE_END): Define.
3790         * config/i386/i386.h (TARGET_ASM_FILE_END,
3791         NEED_INDICATE_EXEC_STACK): Don't define.
3792         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3793         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3794         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3795         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3796
3797         PR target/43498
3798         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3799         at the beginning and final_end_function at the end.
3800         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3801
3802 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3803
3804         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3805         and Sun as TLS syntax.
3806         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3807         * configure: Regenerate.
3808         * config.in: Regenerate.
3809         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3810         (default_elf_asm_named_section): Use it.
3811         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3812         (i386_output_dwarf_dtprel): Likewise.
3813         (output_addr_const_extra): Likewise.
3814         (output_pic_addr_const): Lowercase @GOTTPOFF.
3815         (output_addr_const_extra): Likewise.
3816         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3817         (output_addr_const_extra): Likewise.
3818         (output_pic_addr_const): Lowercase @INDNTPOFF.
3819         (output_addr_const_extra): Likewise.
3820         (output_pic_addr_const): Lowercase @NTPOFF.
3821         (output_addr_const_extra): Likewise.
3822         (output_pic_addr_const): Lowercase @TPOFF.
3823         (output_addr_const_extra): Likewise.
3824         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3825         (*tls_global_dynamic_64): Likewise.
3826         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3827         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3828
3829         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3830         (ASM_OUTPUT_TLS_COMMON): Use it.
3831         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3832
3833         PR target/38118
3834         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3835         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3836         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3837         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3838         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3839         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3840
3841 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3842
3843         * config/i386/i386.c (override_options): Don't accept
3844         -mtls-dialect=sun any longer.
3845         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3846         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3847         (*tls_local_dynamic_base_32_sun): Likewise.
3848         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3849
3850 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3851
3852         PR debug/43508
3853         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3854         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3855
3856         PR debug/43479
3857         * ira.c (adjust_cleared_regs): New function.
3858         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3859
3860         PR debug/19192
3861         PR debug/43479
3862         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3863         from gimple_block.
3864         * expr.c (expand_expr_real): Restore previous
3865         curr_insn_source_location and curr_insn_block after
3866         expand_expr_real_1 call.
3867         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3868         instead of expand_expr_real_1.
3869
3870 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3871
3872         PR rtl-optimization/43413
3873         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3874         hard regs too.
3875
3876 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3877
3878         PR target/43348
3879         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3880         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3881
3882 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3883
3884         * config/i386/i386.c (ix86_target_string): Add -mfma.
3885         Fix a typo in comment.
3886
3887 2010-03-22  Mike Stump  <mikestump@comcast.net>
3888
3889         PR target/23071
3890         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3891         Don't overly align based upon packed packed fields.
3892
3893 2010-03-22  Jason Merrill  <jason@redhat.com>
3894
3895         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3896         Use () rather than [], and move before the element type.
3897
3898 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3899
3900         * doc/configfiles.texi (Configuration Files): Removed
3901         fixinc/Makefile*, intl/Makefile.*.
3902         * doc/makefile.texi: Fixed markup. Abstract from version
3903         control system used.
3904         (Makefile): Removed obsolete gcc/java/parse.y example.
3905         * doc/sourcebuild.texi: Likewise.
3906         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3907         libgomp, libssp.  Removed fastjar.
3908         (Miscellaneous Docs): Clarify location.
3909         Added COPYING3, COPYING3.LIB.
3910         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3911
3912 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3913
3914         PR target/38085
3915         * config/i386/i386.c (x86_function_profiler)
3916         [!NO_PROFILE_COUNTERS]: Fix typo.
3917         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3918         instead of callq.
3919
3920 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3921             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3922
3923         * doc/sourcebuild.texi (Test Directives): Split into six
3924         subsections, with most of the current text in new subsections
3925         Directives, Selectors, and Final Actions.
3926         (Directives): Split list of test directives into multiple
3927         subsubsections.
3928         (Selectors): Describe use and syntax of selectors.
3929         (Effective-Target Keywords): Describe all existing keywords.
3930         (Add Options): Describe features for dg-add-options.
3931         (Require Support): Describe variants of dg-require-support.
3932         (Final Actions): Describe commands to use in dg-final.
3933
3934 2010-03-22  Michael Matz  <matz@suse.de>
3935
3936         PR middle-end/43475
3937         * recog.c (validate_replace_rtx_group): Replace also in
3938         REG_EQUAL and REG_EQUIV notes.
3939
3940 2010-03-22  Richard Guenther  <rguenther@suse.de>
3941
3942         PR tree-optimization/43390
3943         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3944         sure vector extracts are type correct.
3945
3946 2010-03-22  Richard Guenther  <rguenther@suse.de>
3947
3948         PR middle-end/40106
3949         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3950         x * sqrt (x) even when optimizing for size if the target
3951         has native support for sqrt.
3952
3953 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3954
3955         * varasm.c (make_decl_rtl_for_debug): Also clear
3956         flag_mudflap for the duration of make_decl_rtl call.
3957
3958         PR debug/43443
3959         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3960         locs from preserved VALUEs.
3961
3962 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3963
3964         PR middle-end/42718
3965         * pa.md (movmemsi): Set align to one if zero.
3966         (movmemdi): Likewise.
3967
3968 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3969
3970         PR target/42321
3971         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3972         with their corresponding prologue pushes.
3973
3974 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3975
3976         PR target/43156
3977         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3978         at the begining or end.
3979         (spu_expand_epilogue): Likewise.
3980
3981 2010-03-20  Richard Guenther  <rguenther@suse.de>
3982
3983         PR rtl-optimization/43438
3984         * combine.c (make_extraction): Properly zero-/sign-extend an
3985         extraction of the low part of a CONST_INT.  Also handle
3986         CONST_DOUBLE.
3987
3988 2010-03-19  Mike Stump  <mikestump@comcast.net>
3989
3990         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3991         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3992         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3993
3994 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3995
3996         PR c/43211
3997         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3998         an error.
3999
4000 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
4001
4002         PR rtl-optimization/42258
4003         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4004         use that may match DEF.
4005
4006         PR target/40697
4007         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4008         the cost of loading the constant rather than assuming
4009         COSTS_N_INSNS (1).
4010         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4011         outer code is AND, do the same tests as the andsi3 expander and
4012         return COSTS_N_INSNS (1) if and is cheap.
4013
4014         * optabs.c (avoid_expensive_constant): Fix formatting.
4015
4016 2010-03-19  Michael Matz  <matz@suse.de>
4017
4018         PR c++/43116
4019         * attribs.c (decl_attributes): When rebuilding a function pointer
4020         type use the same qualifiers as the original pointer type.
4021
4022 2010-03-19  Martin Jambor  <mjambor@suse.cz>
4023
4024         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant