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2010-05-02 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-02  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43879
4         * tree-tailcall.c (find_tail_calls): Clobbers also prevent
5         tail calls.
6
7 2010-05-02  Bruno Haible  <bruno@clisp.org>
8
9         * doc/extend.texi (Function Attributes): Fix a typo.
10
11 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
12
13         Revert:
14         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
15         placeholder from 0x%x to %#x.
16         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
17         * config/i386/i386.c (output_pic_addr_const): Ditto.
18
19 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
20
21         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
22         placeholder from 0x%x to %#x.
23         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
24         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
25         (ASM_OUTPUT_DEBUG_DATA): Ditto.
26         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
27         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
28         * optc-gen.awk: Ditto.
29         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
30         (HOST_WIDE_INT_PRINT_HEX): Ditto.
31         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
32         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
33         * gcov-dump.c (tag_function): Ditto.
34         (tag_summary): Ditto.
35
36 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
37
38         * target.h (struct calls): Add function_value_regno_p field.
39         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
40         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
41         * targhooks.c (default_function_value_regno_p): New function.
42         * targhooks.h (default_function_value_regno_p): Declare function.
43         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
44         * builtins.c. (apply_result_size): (Ditto.).
45         * combine.c. (likely_spilled_retval_p): (Ditto.).
46         * mode-switching.c. Include 'target.h'.
47         (create_pre_exit): Use function_value_regno_p hook.
48         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
49         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
50         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
51
52         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
53         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
54         (ix86_function_value_regno_p): Declare as static, change argument
55         type to const unsigned int.
56         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
57
58 2010-05-01  Richard Guenther  <rguenther@suse.de>
59
60         PR tree-optimization/43949
61         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
62         types.
63         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
64
65 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
66
67         * rtl.h (CONST_DOUBLE_P): Define.
68         (rtx_to_double_int): Declare.
69         * emit-rtl.c (rtx_to_double_int): New function.
70         * dwarf2out.c (insert_double): New function.
71         (loc_descriptor, add_const_value_attribute): Clean up, use
72         rtx_to_double_int and insert_double functions.
73
74 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
75
76         * doc/extend.texi (Inline): Add missing return keyword to examples.
77         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
78         "command-line".
79
80 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
81
82         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
83         the variable part of the offset as well.  Use highest_pow2_factor for
84         all alignment checks.
85
86 2010-04-30  Richard Guenther  <rguenther@suse.de>
87
88         PR tree-optimization/43879
89         * tree-ssa-structalias.c (type_could_have_pointers): Functions
90         can have pointers.
91
92 2010-04-30  Jan Hubicka  <jh@suse.cz>
93
94         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
95         varpool.
96         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
97
98 2010-04-30  Jan Hubicka  <jh@suse.cz>
99
100         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
101         New.
102         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
103         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
104         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
105         cgraph_node_set_needs_ltrans_p): Remove.
106
107 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
108
109         * sdbout.c: Include vec.h, do not include varray.h.
110         (deferred_global_decls, sdbout_global_decl,
111         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
112         * toplev.c: Do not include varray.h.
113         (dump_memory_report): Do not dump VARRAY statistics.
114         * gengtype.c (open_base_file): Ignore varray.h.
115         * Makefile.in: Update for abovementioned changes.
116         Remove all traces of varray.c and varray.h.
117         * varray.c: Remove file.
118         * varray.h: Remove file.
119
120 2010-04-30  Jan Hubicka  <jh@suse.cz>
121
122         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
123         references.
124
125 2010-04-30  Jan Hubicka  <jh@suse.cz>
126
127         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
128         needed.
129
130 2010-04-30  Richard Guenther  <rguenther@suse.de>
131
132         * tree-ssa-structalias.c (get_constraint_for_1): Generate
133         constraints for CONSTRUCTOR.
134
135 2010-04-30  Richard Guenther  <rguenther@suse.de>
136
137         PR lto/43946
138         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
139         first after all lowering passes.
140
141 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
142
143         * toplev.c: Include varray.h for statistics dumping.
144         * tree.h: Do not declare varray_head_tag.
145         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
146         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
147         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
148         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
149         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
150         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
151         c-common.c, c-common.h, reg-stack.c, basic-block.h,
152         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
153         include varray.h.
154         * Makefile.in: Update for abovementioned changes.
155
156 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
157
158         PR debug/43942
159         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
160
161 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
162
163         * config/picochip/picochip.c (picochip_legitimize_address): Define.
164         Use this function to do machine-specific conversion.
165         (picochip_legitimize_reload_address): Likewise.
166         (picochip_legitimate_address_p): Check valid base register only if
167         strict.
168         (picochip_check_conditional_copy): Check for modw only if opnd is
169         register.
170         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
171         to call the function in c.
172         * config/picochip/picochip-protos.h
173         (picochip_legitimize_reload_address): Define.
174         * config/picochip/picochip.md (supported_compare1): Define.
175
176 2010-04-30  Jan Hubicka  <jh@suse.cz>
177
178         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
179         (cgraph_global_info): Remove inlined.
180         (LTO_cgraph_tag_names): Remove.
181         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
182         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
183         simplify cgraph tags and document.
184         (lto_output_node): Use only LTO_cgraph_unavail_node and
185         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
186         for_functions_valid, global info, process and output flags.
187         (input_overwrite_node): Initialize estimated stack size and
188         estimated growth.  Do not read flags we no longer store.
189         (input_node): Likewise do not read info no longer stored.
190         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
191         flag.
192
193 2010-04-30  Richard Guenther  <rguenther@suse.de>
194
195         PR tree-optimization/43879
196         * tree-ssa-structalias.c (get_constraint_for_1): Properly
197         handle non-zero initializers.
198
199 2010-04-30  Richard Guenther  <rguenther@suse.de>
200
201         * builtins.c (fold_builtin_1): Delete free (0).
202
203 2010-04-29  Jan Hubicka  <jh@suse.cz>
204
205         * gengtype.c (open_base_files): Add lto-streamer.h
206         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
207         (pass_ipa_cp): GGC collect.
208         * toplev. (compile_file): Do not output symbols.
209         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
210         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
211         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
212         * lto-section-in.c: Include ggc.h
213         (lto_new_in_decl_state): Alloc in GGC.
214         (lto_delete_in_decl_state): Likewise.
215         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
216         Collect.
217
218 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
219
220         PR target/42895
221         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
222         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
223         (HONOR_REG_ALLOC_ORDER): Describe new macro.
224         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
225         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
226         account only if HONOR_REG_ALLOC_ORDER is not defined.
227         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
228         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
229
230 2010-04-29  Jon Grant  <04@jguk.org>
231
232         * collect2.c (vflag): Change type from int to bool.
233         (debug): Likewise.
234         (helpflag): New global bool.
235         (main): Set vflag and debug with boolean, not integer truth values.
236         Accept new "--help" option and output usage text if found.
237         * collect2.h (vflag): Update prototype.
238         (debug): Likewise.
239
240 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
241
242         PR bootstrap/43936
243         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
244
245 2010-04-29  Richard Guenther  <rguenther@suse.de>
246
247         PR bootstrap/43935
248         * plugin.h (invoke_plugin_callbacks): Annotate arguments
249         with ATTRIBUTE_UNUSED.
250
251 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
252
253         PR target/43921
254         * config/i386/i386.c (get_some_local_dynamic_name): Replace
255         INSN_P with NONDEBUG_INSN_P.
256         (distance_non_agu_define): Likewise.
257         (distance_agu_use): Likewise.
258
259 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
260
261         From Dominique d'Humieres <dominiq@lps.ens.fr>
262         PR bootstrap/43858
263         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
264         test_set.
265
266 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
267
268         * plugin.h (invoke_plugin_callbacks): New inline function.
269         * plugin.c (flag_plugin_added): New global flag.
270         (add_new_plugin): Initialize above flag.
271         (invoke_plugin_callbacks): Rename to ...
272         (invoke_plugin_callbacks_full): ... this.
273
274 2010-04-28  Jan Hubicka  <jh@suse.cz>
275
276         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
277         (lto_varpool_replace_node): New.
278         (lto_symtab_resolve_symbols): Resolve varpool nodes.
279         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
280         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
281         * cgraph.h (varpool_node_ptr): New type.
282         (varpool_node_ptr): New vector.
283         (varpool_node_set_def): New structure.
284         (varpool_node_set): New type.
285         (varpool_node_set): New vector.
286         (varpool_node_set_element_def): New structure.
287         (varpool_node_set_element, const_varpool_node_set_element): New types.
288         (varpool_node_set_iterator): New type.
289         (varpool_node): Add prev pointers, add used_from_other_partition,
290         in_other_partition.
291         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
292         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
293         varpool_get_node, varpool_remove_node): Declare.
294         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
295         varpool_node_set_size): New inlines.
296         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
297         * tree-pass.h (varpool_node_set_def): Forward declare.
298         (ipa_opt_pass_d): Summary writting takes vnode sets too.
299         (ipa_write_optimization_summaries): Update prototype.
300         * ipa-cp.c (ipcp_write_summary): Update.
301         * ipa-reference.c (ipa_reference_write_summary): Update.
302         * lto-cgraph.c (lto_output_varpool_node): New static function.
303         (output_varpool): New function.
304         (input_varpool_node): New static function.
305         (input_varpool_1): New function.
306         (input_cgraph): Input varpool.
307         * ipa-pure-const.c (pure_const_write_summary): Update.
308         * lto-streamer-out.c (lto_output): Update, output varpool too.
309         (write_global_stream): Kill WPA hack.
310         (produce_asm_for_decls): Update.
311         (output_alias_pair_p): Handle variables.
312         (output_unreferenced_globals): Output only needed partition of varpool.
313         * ipa-inline.c (inline_write_summary): Update.
314         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
315         cgraph.
316         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
317         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
318         varpool_node_set_new, varpool_node_set_add,
319         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
320         debug_varpool_node_set): New functions.
321         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
322         (execute_one_pass): Process new decls too.
323         (ipa_write_summaries_2): Pass around vsets.
324         (ipa_write_summaries_1): Likewise.
325         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
326         to add.
327         (ipa_write_optimization_summaries_1): Pass around vsets.
328         (ipa_write_optimization_summaries): Likewise.
329         * varpool.c (varpool_get_node): New.
330         (varpool_node): Update doubly linked lists.
331         (varpool_remove_node): New.
332         (dump_varpool_node): More dumping.
333         (varpool_enqueue_needed_node): Update doubly linked lists.
334         (decide_is_variable_needed): Kill ltrans hack.
335         (varpool_finalize_decl): Kill lto hack.
336         (varpool_assemble_decl): Skip decls in other partitions.
337         (varpool_assemble_pending_decls): Update doubly linkes lists.
338         (varpool_empty_needed_queue): Likewise.
339         (varpool_extra_name_alias): Likewise.
340         * lto-streamer.c (lto_get_section_name): Add vars section.
341         * lto-streamer.h (lto_section_type): Update.
342         (output_varpool, input_varpool): Declare.
343
344 2010-04-28  Mike Stump  <mikestump@comcast.net>
345
346         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
347
348 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
349
350         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
351         record or union type with RECORD_OR_UNION_TYPE_P predicate.
352         (lto_input_ts_type_tree_pointers): Likewise.
353         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
354         (lto_output_ts_type_tree_pointers): Likewise.
355
356 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
357
358         Uniquization of constants at the Tree level
359         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
360         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
361         bit to the end.
362         (tree_output_constant_def): Declare.
363         * gimplify.c (gimplify_init_constructor): When using block copy, first
364         uniquize the constant constructor on the RHS.
365         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
366         DECL_IN_CONSTANT_POOL flag.
367         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
368         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
369         constant pool.
370         (assemble_variable): Deal with symbols belonging to the tree constant
371         pool.
372         (get_constant_section): Add ALIGN parameter and simplify.
373         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
374         (assemble_constant_contents): Use the expression of the VAR_DECL.
375         (output_constant_def_contents): Use the alignment of the VAR_DECL.
376         (tree_output_constant_def): New global function.
377         (mark_constant): Use the expression of the VAR_DECL.
378         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
379         its expression.
380         (output_object_block): Likewise and assemble the expression.
381
382 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
383
384         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
385         hash_tree, eq_tree): New tree hash table.
386         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
387         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
388         lto_orig_address_remove): Reimplement.
389
390 2010-04-28  Xinliang David Li  <davidxl@google.com>
391
392         PR c/42643
393         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
394         (compute_uninit_opnds_pos): New function.
395         (is_non_loop_exit_postdominating): New function.
396         (compute_control_dep_chain): New function.
397         (find_pdom): New function.
398         (convert_control_dep_chain_into_preds): New function.
399         (find_predicates): New function.
400         (find_control_equiv_block): New function.
401         (collect_phi_def_edges): New function.
402         (find_def_preds): New function.
403         (find_dom): New function.
404         (dump_predicates): New function.
405         (get_cmp_code): New function.
406         (is_value_included_in): New function.
407         (find_matching_predicate_in_rest_chains): New function.
408         (use_pred_not_overlap_with_undef_path_pred): New function.
409         (is_use_properly_guarded): New function.
410         (normalize_cond_1): New function.
411         (is_and_or_or): New function.
412         (normalize_cond): New function.
413         (is_gcond_subset_of): New function.
414         (is_subset_of_any): New function.
415         (is_or_set_subset_of): New function.
416         (is_and_set_subset_of): New function.
417         (is_norm_cond_subset_of): New function.
418         (is_pred_expr_subset_of): New function.
419         (is_pred_chain_subset_of): New function.
420         (is_included_in): New function.
421         (is_superset_of): New function.
422         (find_uninit_use): New function.
423         (warn_uninitialized_phi): New function.
424         (compute_possibly_undefined_names): New function.
425         (ssa_undefined_value_p): New function.
426         (execute_late_warn_uninitialized): New function.
427         * tree-ssa.c (ssa_undefined_value_p): Removed.
428         (warn_uninit): Changed to extern.
429         (warn_uninitialized_phi): Removed.
430         (warn_uninitialized_vars): Changed to extern.
431         (execute_late_warn_uninitialized): Removed
432         * tree-flow.h: Add new prototypes.
433         * timevar.def: Add new time variable.
434         * Makefile.in: Add new build file.
435
436 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
437
438         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
439         type if available.
440
441 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
442
443         PR target/22224
444         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
445
446 2010-04-28  Martin Jambor  <mjambor@suse.cz>
447
448         * cgraph.h (struct cgraph_node): New field indirect_calls.
449         (struct cgraph_indirect_call_info): New type.
450         (struct cgraph_edge): Removed field indirect_call. New fields
451         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
452         (cgraph_create_indirect_edge): Declare.
453         (cgraph_make_edge_direct): Likewise.
454         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
455         * ipa-prop.h (struct ipa_param_call_note): Removed.
456         (struct ipa_node_params): Removed field param_calls.
457         (ipa_create_all_structures_for_iinln): Declare.
458         * cgraph.c: Described indirect edges and uids in initial comment.
459         (cgraph_add_edge_to_call_site_hash): New function.
460         (cgraph_edge): Search also among the indirect edges, use
461         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
462         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
463         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
464         site hash.
465         (initialize_inline_failed): Assign a reason to indirect edges.
466         (cgraph_create_edge_1): New function.
467         (cgraph_create_edge): Moved some functionality to
468         cgraph_create_edge_1.
469         (cgraph_create_indirect_edge): New function.
470         (cgraph_edge_remove_callee): Add an assert checking for
471         non-indirectness.
472         (cgraph_edge_remove_caller): Special-case indirect edges.
473         (cgraph_remove_edge): Likewise.
474         (cgraph_set_edge_callee): New function.
475         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
476         (cgraph_make_edge_direct): New function.
477         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
478         the declaration of the call statement matches.
479         (cgraph_node_remove_callees): Special-case indirect edges.
480         (cgraph_clone_edge): Likewise.
481         (cgraph_clone_node): Clone also the indirect edges.
482         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
483         indirect_call, dump count of indirect_calls edges.
484         * ipa-prop.c (iinlining_processed_edges): New variable.
485         (ipa_note_param_call): Create indirect edges instead of
486         creating notes.  New parameter node.
487         (ipa_analyze_call_uses): New parameter node, pass it on to
488         ipa_note_param_call.
489         (ipa_analyze_stmt_uses): Likewise.
490         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
491         (print_edge_addition_message): Work on edges rather than on notes.
492         (update_call_notes_after_inlining): Likewise, renamed to
493         update_indirect_edges_after_inlining.
494         (ipa_create_all_structures_for_iinln): New function.
495         (ipa_free_node_params_substructures): Do not free notes.
496         (ipa_edge_duplication_hook): Propagate bits within
497         iinlining_processed_edges bitmap.
498         (ipa_node_duplication_hook): Do not duplicate notes.
499         (free_all_ipa_structures_after_ipa_cp): Renamed to
500         ipa_free_all_structures_after_ipa_cp.
501         (free_all_ipa_structures_after_iinln): Renamed to
502         ipa_free_all_structures_after_iinln.g
503         (ipa_write_param_call_note): Removed.
504         (ipa_read_param_call_note): Removed.
505         (ipa_write_indirect_edge_info): New function.
506         (ipa_read_indirect_edge_info): Likewise.
507         (ipa_write_node_info): Do not stream notes, do stream information
508         in indirect edges.
509         (ipa_read_node_info): Likewise.
510         (lto_ipa_fixup_call_notes): Removed.
511         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
512         * ipa-inline.c (pass_ipa_inline): Likewise.
513         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
514         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
515         * tree-inline.c (copy_bb): Removed an unnecessary double check for
516         is_gimple_call.
517         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
518         edges.
519         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
520         (output_cgraph): Stream also indirect edges.
521         (lto_output_edge): Added capability to stream indirect edges.
522         (input_edge): Likewise.
523         (input_cgraph_1): Likewise.
524         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
525         of indirect edges.
526
527 2010-04-28  Richard Guenther  <rguenther@suse.de>
528
529         PR tree-optimization/43879
530         PR tree-optimization/43909
531         * tree-ssa-structalias.c (struct variable_info): Add
532         only_restrict_pointers flag.
533         (new_var_info): Initialize it.  Increment stats.total_vars here.
534         (create_function_info_for): Do not increment stats.total_vars
535         here.
536         (get_function_part_constraint): Fix build with C++.
537         (insert_into_field_list): Remove.
538         (push_fields_onto_fieldstack): Properly merge fields.
539         (create_variable_info_for): Split and simplify.
540         (create_variable_info_for_1): New piece.
541         (intra_create_variable_infos): Properly make restrict constraints
542         from parameters.
543
544 2010-04-28  Richard Guenther  <rguenther@suse.de>
545
546         PR c++/43880
547         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
548
549 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
550             Jan Hubicka <hubicka@ucw.cz>
551
552         * doc/invoke.texi (-Wsuggest-attribute=const,
553         -Wsuggest-attribute=pure): Document.
554         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
555         (function_always_visible_to_compiler_p,
556         suggest_attribute, warn_function_pure, warn_function_const):
557         New functions.
558         (check_call): Improve debug info.
559         (analyze_function): Do not check availability.
560         (add_new_function): Check availability.
561         (propagate): Output warnings.
562         (skip_function_for_local_pure_const): New function.
563         (local_pure_const): Use it; output warnings.
564         * common.opt (Wsuggest-attribute=const,
565         Wsuggest-attribute=pure): New.
566
567 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
568
569         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
570         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
571         or DW_CFA_def_cfa_offset{,_sf}.
572
573 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
574
575         * tree.h: Fix truncated long macros.
576
577 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
578
579         * collect2.c (TARGET_64BIT): Redefine to target's default.
580         * tlink.c: Likewise.
581         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
582         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
583         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
584         for underscoring __USER_LABEL_PREFIX__.
585         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
586         (SUB_LINK_ENTRY32): New.
587         (SUB_LINK_ENTRY64): New.
588         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
589         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
590         (SUB_LINK_ENTRY64): New.
591         (SUB_LINK_ENTRY): New.
592         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
593         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
594         x64 target is choosen.
595         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
596         * configure: Regenerated.
597         * configure.ac (leading-mingw64-underscores): Option added.
598
599 2010-04-27  Jan Hubicka  <jh@suse.cz>
600
601         * doc/invoke.texi (-fipa-profile): Document.
602         * opts.c (decode_options): Enable ipa-profile at -O1.
603         * timevar.def (TV_IPA_PROFILE): Define.
604         * common.opt (fipa-profile): Add.
605         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
606         flag for clones.
607         (cgraph_propagate_frequency): Handle only local ones.
608         * tree-pass.h (pass_ipa_profile): Declare.
609         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
610         (pass_ipa_profile): Use TV_IPA_PROFILE.
611         * ipa.c (ipa_profile): New function.
612         (gate_ipa_profile): Likewise.
613         (pass_ipa_profile): New global variable.
614         * passes.c (pass_ipa_profile): New.
615
616 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
617
618         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
619
620 2010-04-27  Martin Jambor  <mjambor@suse.cz>
621
622         PR middle-end/43812
623         * ipa.c (dissolve_same_comdat_group_list): New function.
624         (function_and_variable_visibility): Call
625         dissolve_same_comdat_group_list when comdat group contains external or
626         newly local nodes.
627         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
628         lists are circular and that they contain only DECL_ONE_ONLY nodes.
629
630 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
631
632         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
633         (const_hash_1) <VECTOR_CST>: New case.
634         (compare_constant) <VECTOR_CST>: Likewise.
635         <ADDR_EXPR>: Deal with LABEL_REFs.
636         (copy_constant) <VECTOR_CST>: New case.
637
638 2010-04-27  Jan Hubicka  <jh@suse.cz>
639
640         * cgraph.c (cgraph_propagate_frequency): New function.
641         * cgraph.h (cgraph_propagate_frequency): Declare.
642         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
643         cgraph_propagate_frequency.
644
645 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
646
647         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
648
649 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
650
651         PR target/40657
652         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
653         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
654         here to determine which regs to push and how much stack to reserve.
655
656 2010-04-27  Jie Zhang  <jie@codesourcery.com>
657
658         * doc/gimple.texi (gimple_statement_with_ops): Remove
659         addresses_taken field.
660         (gimple_statement_with_memory_ops): Likewise.
661
662 2010-04-27  Jan Hubicka  <jh@suse.cz>
663
664         * tree-inline.c (eni_inlining_weights): Remove.
665         (estimate_num_insns): Special case more builtins.
666
667 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
668
669         PR c/32207
670         * c-typeck.c (build_binary_op): Move forward check for comparison
671         pointer with null pointer constant and adjust the diagnostic message.
672
673 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
674
675         PR lto/42776
676         * configure.ac (gcc_cv_as_section_has_align): Set if installed
677         binutils supports extended .section directive needed by LTO, or
678         warn if older binutils found.
679         (LTO_BINARY_READER): New AC_SUBST'd variable.
680         (LTO_USE_LIBELF): Likewise.
681         * gcc/config.gcc (lto_binary_reader): New target-specific configure
682         variable.
683         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
684         (LTO_USE_LIBELF): Likewise.
685         * configure: Regenerate.
686
687         * collect2.c (is_elf): Rename from this ...
688         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
689          object files in addition to ELF-formatted ones.
690         (scan_prog_file): Caller updated.  Also allow for LTO info marker
691         symbol to be prefixed or not by an extra underscore.
692
693         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
694         * config/i386/winnt.c: Also #include lto-streamer.h
695         (i386_pe_asm_named_section): Specify 1-byte section alignment for
696         LTO named sections.
697         (i386_pe_asm_output_aligned_decl_common): Add comment.
698         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
699
700 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
701
702         PR target/43889
703         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
704         Add missing earlyclobber for second alternative.
705
706 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
707
708         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
709         bits for artificial defs at the top of the block.
710         * fwprop.c (single_def_use_enter_block): Don't call it.
711
712 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
713
714         PR 43715
715         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
716         instead of "$gcc_cv_objdump -T".
717         Use "-undefined dynamic_lookup" on darwin.
718         * gcc/configure: Regenerate.
719
720 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
721
722         PR c/43893
723         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
724
725 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
726
727         * c-parser.c (struct c_token): Move location field up.
728         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
729         (struct c_declspecs): Convert typespec_word, storage_class, and
730         default_int_p into bitfields.
731         (struct c_declarator): Move loc field up.
732
733 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
734
735         * cfgloop.h (struct loop): Move can_be_parallel field up.
736         * ipa-prop.h (struct ip_node_params): Move bitfields up.
737         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
738         down.
739         (struct iv_cand): Convert pos field into a bitfield.
740         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
741         field up.
742         (struct _stmt_vec_info): Shuffle fields for better packing.
743
744 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
745
746         * varasm.c (IN_NAMED_SECTION): Remove guard.
747         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
748         (IN_NAMED_SECTION_P): ...this.
749         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
750         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
751
752 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
753
754         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
755         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
756         of shadowing it.  Fix comments.
757
758 2010-04-26  Jan Hubicka  <jh@suse.cz>
759
760         * cgraph.c (cgraph_create_node): Set node frequency to normal.
761         (cgraph_clone_node): Copy function frequency.
762         * cgraph.h (node_frequency): New enum
763         (struct cgraph_node): Add.
764         * final.c (rest_of_clean_state): Update.
765         * lto-cgraph.c (lto_output_node): Output node frequency.
766         (input_overwrite_node): Input node frequency.
767         * tre-ssa-loop-ivopts (computation_cost): Update.
768         * lto-streamer-out.c (output_function): Do not output function
769         frequency.
770         * predict.c (maybe_hot_frequency_p): Update and handle functions
771         executed once.
772         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
773         attribute lookup.
774         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
775         (compute_function_frequency): Set noreturn functions to be executed
776         once.
777         (choose_function_section): Update.
778         * lto-streamer-in.c (input_function): Do not input function frequency.
779         * function.c (allocate_struct_function): Do not initialize function
780         frequency.
781         * function.h (function_frequency): Remove.
782         (struct function): Remove function frequency.
783         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
784         (try_update): Update.
785         * tree-inline.c (initialize_cfun): Do not update function frequency.
786         * passes.c (pass_init_dump_file): Update.
787         * i386.c (ix86_compute_frame_layout): Update.
788         (ix86_pad_returns): Update.
789
790 2010-04-26  Jie Zhang  <jie@codesourcery.com>
791
792         PR tree-optimization/43833
793         * tree-vrp.c (range_int_cst_p): New.
794         (range_int_cst_singleton_p): New.
795         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
796         when both operands are constants.  Use range_int_cst_p in
797         BIT_IOR_EXPR case.
798
799 2010-04-26  Jan Hubicka  <jh@suse.cz>
800
801         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
802
803 2010-04-26  Richard Guenther  <rguenther@suse.de>
804
805         PR lto/43080
806         * gimple.c (gimple_decl_printable_name): Deal gracefully
807         with a NULL DECL_NAME.
808
809 2010-04-26  Richard Guenther  <rguenther@suse.de>
810
811         PR lto/42425
812         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
813         if emitting debug information and it is either a function
814         or a namespace decl.
815
816 2010-04-26  Ira Rosen  <irar@il.ibm.com>
817
818         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
819         determine if the statement is vectorizable, and a macro to access it.
820         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
821         Skip statements that can't be vectorized. If the analysis fails,
822         mark the statement as unvectorizable if vectorizing basic block.
823         (vect_compute_data_refs_alignment): Likewise.
824         (vect_verify_datarefs_alignment): Skip statements marked as
825         unvectorizable. Add print.
826         (vect_analyze_group_access): Skip statements that can't be
827         vectorized. If the analysis fails, mark the statement as
828         unvectorizable if vectorizing basic block.
829         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
830         * tree-vect-stmts.c (vectorizable_store): Fix the number of
831         generated stmts for SLP.
832         (new_stmt_vec_info): Initialize the new field.
833         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
834         statements marked as unvectorizable.
835
836 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
837
838         * c-common.c (flag_isoc1x): New.
839         (flag_isoc99): Update comment.
840         * c-common.h (flag_isoc1x): New.
841         (flag_isoc99): Update comment.
842         * c-cppbuiltin.c (builtin_define_float_constants): Also define
843         __<type>_DECIMAL_DIG__.
844         * c-opts.c (set_std_c1x): New.
845         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
846         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
847         * c.opt (-std=c1x, -std=gnu1x): New options.
848         * doc/cpp.texi: Mention -std=c1x.
849         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
850         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
851         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
852         * doc/standards.texi: Mention C1X.
853         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
854         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
855         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
856         Define for C1X.
857
858 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
859
860         * config/i386/gmon-sol2.c (_mcleanup): Change format string
861         placeholder from 0x%x to %#x.
862         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
863         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
864         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
865         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
866         * config/i386/i386.c (ix86_target_string): Ditto.
867         (output_pic_addr_const): Ditto.
868         (print_operand): Ditto.
869
870 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
871
872         * combine.c (find_split_point): Add third argument.  Use it
873         to find nested multiply-accumulate instructions.  Adjust calls.
874         (try_combine): Adjust call to find_split_point.
875
876 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
877
878         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
879
880 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
881
882         PR tree-optimization/41442
883         * fold-const.c (merge_truthop_with_opposite_arm): New function.
884         (fold_binary_loc): Call it.
885
886 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
887
888         * toplev.c (general_init): Set default for fdiagnostics-show-option.
889         * opts.c (common_handle_option): Allow disabling it.
890         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
891
892 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
893
894         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
895         between modes if both types are integral.
896
897 2010-04-23  Richard Guenther  <rguenther@suse.de>
898
899         PR tree-optimization/43572
900         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
901
902 2010-04-23  Richard Guenther  <rguenther@suse.de>
903
904         PR lto/43455
905         * tree-inline.c (tree_can_inline_p): Also check compatibility
906         of return types.
907
908 2010-04-23  Martin Jambor  <mjambor@suse.cz>
909
910         PR tree-optimization/43846
911         * tree-sra.c (struct access): New flag grp_assignment_read.
912         (build_accesses_from_assign): Set grp_assignment_read.
913         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
914         (enum mark_read_status): New type.
915         (analyze_access_subtree): Propagate grp_assignment_read, create
916         accesses also if both direct_read and root->grp_assignment_read.
917
918 2010-04-23  Martin Jambor  <mjambor@suse.cz>
919
920         PR middle-end/43835
921         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
922         function does not have type attributes.
923
924 2010-04-23  Richard Guenther  <rguenther@suse.de>
925
926         PR lto/42653
927         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
928         of FUNCTION_DECLs.
929
930 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
931
932         * sese.h (create_if_region_on_edge): Remove.
933
934         * sese.c (create_if_region_on_edge): Make static.
935
936         * tree-inline.c: Do not include ggc.h.
937
938         * expr.c: Do not include ggc.h.
939
940         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
941         dependencies.
942
943 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
944
945         PR target/43744
946         * config/sh/sh.c (find_barrier): Don't emit a constant pool
947         in the middle of insns for casesi_worker_2.
948
949 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
950
951         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
952
953 2010-04-22  Ira Rosen  <irar@il.ibm.com>
954
955         PR tree-optimization/43842
956         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
957         loop unrolling in update of exit phis. Fix comment.
958         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
959         least two reduction statements in the loop before starting SLP
960         analysis.
961
962 2010-04-22  Nick Clifton  <nickc@redhat.com>
963
964         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
965
966 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
967
968         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
969         to simplify a + ~a.
970
971 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
972
973         * tree-parloops.c (loop_parallel_p): New argument
974         parloop_obstack.  Pass it down.
975         (parallelize_loops): New variable parloop_obstack.  Initialize it,
976         pass it down, free it.
977
978         * tree-loop-linear.c (linear_transform_loops): Pass down
979         lambda_obstack.
980
981         * tree-data-ref.h (lambda_compute_access_matrices): New argument
982         of type struct obstack *.
983
984         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
985         scratch_obstack.  Initialize it, pass down, free it.
986
987         * lambda.h (lambda_loop_new): Remove.
988         (lambda_matrix_new, lambda_matrix_inverse)
989         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
990         argument of type struct obstack *.
991
992         * lambda-trans.c (lambda_trans_matrix_new): New argument
993         lambda_obstack.  Pass it down, use obstack allocation for ret.
994         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
995         it down.
996
997         * lambda-mat.c (lambda_matrix_get_column)
998         (lambda_matrix_project_to_null): Remove.
999         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1000         allocation for mat.
1001         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1002         lambda_obstack.
1003
1004         * lambda-code.c (lambda_loop_new): New function.
1005         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1006         (lambda_compute_auxillary_space, lambda_compute_target_space)
1007         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1008         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1009         (build_access_matrix): New argument lambda_obstack.  Use obstack
1010         allocation for am.
1011         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1012         argument lambda_obstack.  Pass it down.
1013
1014 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1015
1016         * optabs.h (expand_widening_mult): Declare.
1017
1018 2010-04-22  Richard Guenther  <rguenther@suse.de>
1019
1020         PR tree-optimization/43845
1021         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1022         lookup the CALL_EXPR function and arguments.
1023
1024 2010-04-22  Nick Clifton  <nickc@redhat.com>
1025
1026         * config/stormy16/stormy16.c
1027         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1028         * config/stormy16/stormy16.h: Tidy up formatting.
1029         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1030         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1031         (ineqbranchsi): Delete pattern.
1032         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1033         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1034         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1035         stormy16-lib2-ucmpsi2.c.
1036
1037 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1038
1039         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1040         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1041         extra set merge_set_noclobber, and use it to relax the final test
1042         slightly.
1043         * df.h (df_simulate_find_noclobber_defs): Declare.
1044         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1045         conditional defs.
1046         (df_simulate_find_noclobber_defs): New function.
1047
1048 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * config/i386/i386.md: Use {} around multi-line preparation statements.
1051
1052 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1053
1054         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1055         (process_init_element): New argument of type struct obstack *.
1056
1057         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1058         (set_init_index, set_init_label, set_nonincremental_init)
1059         (set_nonincremental_init_from_string, find_init_member)
1060         (output_init_element, output_pending_init_elements)
1061         (process_init_element): New argument braced_init_obstack.  Pass it
1062         down.
1063         (push_range_stack, add_pending_init): New argument
1064         braced_init_obstack.  Use obstack allocation.
1065
1066         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1067         braced_init_obstack.  Pass it down.
1068         (c_parser_braced_init): New variables ret, braced_init_obstack.
1069         Initialize obstack, pass it down and finally free it.
1070
1071 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1072
1073         PR middle-end/29274
1074         * tree-pass.h (pass_optimize_widening_mul): Declare.
1075         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1076         gate_optimize_widening_mul): New static functions.
1077         (pass_optimize_widening_mul): New.
1078         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1079         <case MULT_EXPR>: Remove support for widening multiplies.
1080         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1081         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1082         simplify_gen_unary rather than directly building extensions.
1083         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1084         WIDEN_MULT_EXPR.
1085         * expmed.c (expand_widening_mult): New function.
1086         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1087
1088 2010-04-21  Jan Hubicka  <jh@suse.cz>
1089
1090         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1091         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1092         * lto-wpa-fixup.c: Remove.
1093         * Makefile.in (lto-wpa-fixup.o): Remove.
1094         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1095         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1096         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1097
1098 2010-04-21  Jan Hubicka  <jh@suse.cz>
1099
1100         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1101         add write_optimization_summary, read_optimization_summary.
1102         (ipa_write_summaries_of_cgraph_node_set): Remove.
1103         (ipa_write_optimization_summaries): Declare.
1104         (ipa_read_optimization_summaries): Declare.
1105         * ipa-cp.c (pass_ipa_cp): Update.
1106         * ipa-reference.c (pass_ipa_reference): Update.
1107         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1108         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1109         Update.
1110         * ipa-inline.c (pass_ipa_inline): Update.
1111         * ipa.c (pass_ipa_whole_program): Update.
1112         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1113         * passes.c (ipa_write_summaries_1): Do not test wpa.
1114         (ipa_write_optimization_summaries_1): New.
1115         (ipa_write_optimization_summaries): New.
1116         (ipa_read_summaries): Do not test ltrans.
1117         (ipa_read_optimization_summaries_1): New.
1118         (ipa_read_optimization_summaries): New.
1119
1120 2010-04-21  Jan Hubicka  <jh@suse.cz>
1121
1122         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1123         for boundary nodes.
1124         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1125
1126 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR debug/40040
1129         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1130         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1131
1132 2010-04-21  Jan Hubicka  <jh@suse.cz>
1133
1134         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1135
1136 2010-04-21  Jan Hubicka  <jh@suse.cz>
1137
1138         * varpool.c (decide_is_variable_needed): Variable is always needed
1139         during ltrans.
1140
1141 2010-04-21  Jan Hubicka  <jh@suse.cz>
1142
1143         * opts.c (decode_options): Enable pure-const pass for whopr.
1144
1145 2010-04-21  Jan Hubicka  <jh@suse.cz>
1146
1147         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1148         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1149         at WPA dumping.
1150         (cgraph_decide_inlining): Do not expect callee to be removed in all
1151         cases.
1152
1153 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1154
1155         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1156
1157 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1158
1159         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1160         amdfam10_decode attributes.
1161
1162 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1163
1164         PR middle-end/43570
1165         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1166         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1167         (lower_copyprivate_clauses): Use private var in outer
1168         context instead of original var.  Make sure the types
1169         are correct for VLAs.
1170
1171 2010-04-21  Richard Guenther  <rguenther@suse.de>
1172
1173         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1174         to non-pointer objects.
1175
1176 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1177
1178         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1179         last chain entry if it starts with the still current label.
1180         (add_location_or_const_value_attribute): Check that
1181         loc_list->first->next is NULL instead of comparing ->first with ->last.
1182         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1183         to add_var_loc_to_decl.
1184
1185         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1186         >= 4 add also address size and segment size fields into CIE header.
1187
1188         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1189         long as address size is the same as sizeof (void *) and
1190         segment size is 0.
1191         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1192         address size or segment size is unexpected, return DW_EH_PE_omit.
1193         (classify_object_over_fdes): If get_cie_encoding returned
1194         DW_EH_PE_omit, return -1.
1195         (init_object): If classify_object_over_fdes returned -1,
1196         pretend there were no FDEs at all.
1197
1198 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1199
1200         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1201         bswap{si,di}2 using SWI48 mode iterator.
1202         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1203         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1204         set modrm attribute of bswap insn to 0 and remove length attribute.
1205         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1206         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1207         set mode attribute to <MODE> and remove length attribute.
1208
1209 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1210
1211         PR rtl-optimization/43520
1212         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1213         zero available registers.
1214
1215 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1216
1217         * builtins.c (fold_builtin_cproj): Fold more cases.
1218
1219 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1220
1221         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1222         (fold_builtin_1): Fold builtin cproj.
1223         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1224         Use ATTR_CONST_NOTHROW_LIST.
1225
1226 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1227
1228         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1229         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1230         ffsi2_no_cmove for !TARGET_CMOVE.
1231         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1232         (ffssi2): Remove expander.
1233         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1234         mode iterator.
1235         (ctz<mode>2): Ditto from ctz{si,di}2.
1236         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1237         mode iterator.
1238         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1239         mode iterator.
1240
1241 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1242
1243         * dwarf2out.c (AT_linkage_name): Define.
1244         (clone_as_declaration): Handle DW_AT_linkage_name.
1245         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1246         of DW_AT_MIPS_linkage_name.
1247         (move_linkage_attr): Likewise.
1248         (dwarf2out_finish): Likewise.
1249
1250 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1251
1252         PR middle-end/41952
1253         * fold-const.c (fold_comparison): New folding rule.
1254
1255 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1256
1257         * double-int.h (double_int_setbit): Declare.
1258         * double-int.c (double_int_setbit): New function.
1259         * rtl.h (immed_double_int_const): Declare.
1260         * emit-rtl.c (immed_double_int_const): New function.
1261         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1262         and immed_double_int_const functions.
1263         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1264         expand_copysign_bit):  (Ditto.).
1265         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1266         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1267         * dojump.c (prefer_and_bit_test): (Ditto.).
1268         * expr.c (convert_modes, reduce_to_bit_field_precision,
1269         const_vector_from_tree): (Ditto.).
1270         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1271
1272 2010-04-20  Jan Hubicka  <jh@suse.cz>
1273
1274         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1275         (dump_cgraph_node): Dump new flags.
1276         * cgraph.h (struct cgraph_node): Add flags
1277         reachable_from_other_partition and in_other_partition.
1278         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1279         other partition can not be removed.
1280         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1281         the other partition must be output; silence sanity checking on
1282         leaking functions bodies from other paritition.
1283         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1284         (lto_output_node): Output new flags; do not sanity check that inline
1285         clones are output; drop lto_forced_extern_inline_p code; do not mock
1286         visibility flags at partition boundaries.
1287         (add_node_to): New function.
1288         (output_cgraph): Use it to sort functions so masters appear before
1289         clones.
1290         (input_overwrite_node): Input new flags.
1291         * passes.c (ipa_write_summaries): Do not call
1292         lto_new_extern_inline_states.
1293         * lto-section-out.c (forced_extern_inline,
1294         lto_new_extern_inline_states lto_delete_extern_inline_states,
1295         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1296         * lto-streamer.h (lto_new_extern_inline_states,
1297         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1298         lto_forced_extern_inline_p): Kill.
1299
1300 2010-04-20  Richard Guenther  <rguenther@suse.de>
1301
1302         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1303         from vars that can have pointers.
1304         (process_constraint): Dump useless constraints.
1305
1306 2010-04-20  Richard Guenther  <rguenther@suse.de>
1307
1308         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1309         (dump_sa_points_to_info): Remove asserts.
1310         (init_base_vars): nothing_id isn't an escape point nor does it
1311         have pointers.
1312
1313 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1314
1315         * tree.h (TYPE_REF_IS_RVALUE): Define.
1316         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1317         should_move_die_to_comdat, prune_unused_types_walk): Handle
1318         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1319         (modified_type_die, gen_reference_type_die): Emit
1320         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1321         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1322
1323 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1324
1325         PR target/43635
1326         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1327         calls for -fpic -m31 if they have been sibcall optimized.
1328
1329 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1330
1331         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1332         ar.lc fixed and call-used.
1333
1334         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1335
1336 2010-04-19  Jan Hubicka  <jh@suse.cz>
1337
1338         * opts.c (decode_options): Disable whpr incompatible passes.
1339         * lto/lto.c (lto_1_to_1_map): Skip clones.
1340         (read_cgraph_and_symbols): Do not mark everything as needed.
1341         (do_whole_program_analysis): Do map only after optimizing;
1342         set proper cgraph_state; use passmanager.
1343
1344 2010-04-19  DJ Delorie  <dj@redhat.com>
1345
1346         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1347         POINTER_PLUS_EXPR and fix them.
1348
1349 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1350
1351         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1352         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1353         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1354         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1355         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1356         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1357         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1358         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1359         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1360         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1361         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1362
1363 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1364
1365         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1366         (check_cond_move_block): Likewise.
1367         (cond_move_process_if_block): Likewise.
1368         (noce_find_if_block): Improve formatting.
1369         (find_if_header): Pass 0 to memset and tweak conditions.
1370         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1371
1372 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1375         for -gdwarf-4.
1376
1377         PR middle-end/43337
1378         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1379         with non-local decl doesn't need chain.
1380
1381 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1382
1383         * ira-color.c (allocno_reload_assign): Avoid accumulating
1384         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1385
1386 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1387
1388         * gimple.h (create_tmp_reg): Declare.
1389         * gimplify.c (create_tmp_reg): New function.
1390         (gimplify_return_expr): Use create_tmp_reg.
1391         (gimplify_omp_atomic): Likewise.
1392         (gimple_regimplify_operands): Likewise.
1393         * tree-dfa.c (make_rename_temp): Likewise.
1394         * tree-predcom.c (predcom_tmp_var): Likewise.
1395         (reassociate_to_the_same_stmt): Likewise.
1396         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1397         (get_replaced_param_substitute): Likewise.
1398         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1399         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1400         * tree-ssa-pre.c (get_representative_for): Likewise.
1401         (create_expression_by_pieces): Likewise.
1402         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1403         (create_tailcall_accumulator): Likewise.
1404
1405 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1406
1407         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1408         new_stmt.
1409         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1410
1411 2010-04-19  Richard Guenther  <rguenther@suse.de>
1412
1413         PR tree-optimization/43796
1414         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1415         from SCEV in the lattice.
1416         (vrp_visit_phi_node): Dump change.
1417
1418 2010-04-19  Richard Guenther  <rguenther@suse.de>
1419
1420         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1421         * configure: Re-generated.
1422
1423 2010-04-19  Richard Guenther  <rguenther@suse.de>
1424
1425         PR tree-optimization/43783
1426         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1427         constant ARRAY_REF operands two and three if possible.
1428
1429 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         PR target/43766
1432         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1433
1434 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1435
1436         PR target/43662
1437         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1438
1439 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1440
1441         PR tree-optimization/37027
1442         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1443         and macro to access it.
1444         (vectorizable_reduction): Add argument.
1445         (vect_get_slp_defs): Likewise.
1446         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1447         statements for possible use in SLP.
1448         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1449         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1450         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1451         add new argument.
1452         (vectorizable_reduction): Likewise.
1453         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1454         vect_get_slp_defs.
1455         (vectorizable_type_demotion, vectorizable_type_promotion,
1456         vectorizable_store): Likewise.
1457         (vect_analyze_stmt): Update call to vectorizable_reduction.
1458         (vect_transform_stmt): Likewise.
1459         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1460         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1461         from different interleaving chains in same node.
1462         (vect_slp_rearrange_stmts): New function.
1463         (vect_supported_load_permutation_p): Allow load permutations for
1464         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1465         inside SLP nodes if necessary.
1466         (vect_analyze_slp_instance): Handle reductions.
1467         (vect_analyze_slp): Try to build SLP instances originating from groups
1468         of reductions.
1469         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1470         (vect_get_constant_vectors): Create initial vectors for reductions
1471         according to reduction code. Add new argument.
1472         (vect_get_slp_defs): Add new argument, pass it to
1473         vect_get_constant_vectors.
1474         (vect_schedule_slp_instance): Remove SLP tree root statements.
1475
1476 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1477
1478         * tree.h (ENUM_IS_SCOPED): Define.
1479         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1480         for ENUM_IS_SCOPED enums.
1481
1482 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1483
1484         * fold-const.c (fold_comparison): Use ssizetype.
1485         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1486         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1487         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1488         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1489
1490         * tree.h (initialize_sizetypes): Remove parameter.
1491         (build_common_tree_nodes): Remove second parameter.
1492         * stor-layout.c (initialize_sizetypes): Remove parameter.
1493         Always create an unsigned type.
1494         (set_sizetype): Assert that the passed type is unsigned and simplify.
1495         * tree.c (build_common_tree_nodes): Remove second parameter.
1496         Adjust call to initialize_sizetypes.
1497         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1498         build_common_tree_nodes.
1499
1500 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1501
1502         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1503
1504 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1505
1506         PR tree-optimization/43771
1507         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1508         load permutation doesn't have gaps.
1509
1510 2010-04-18  Jan Hubicka  <jh@suse.cz>
1511
1512         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1513         (sse_prologue_save_insn expander): Use new pattern.
1514         (sse_prologue_save_insn1): New pattern and splitter.
1515         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1516         blocks.
1517         * i386.c (setup_incoming_varargs_64): Do not compute jump
1518         destination here.
1519         (ix86_gimplify_va_arg): Update alignment needed.
1520         (ix86_local_alignment): Do not align all local arrays to 128bit.
1521
1522 2010-04-17  Jan Hubicka  <jh@suse.cz>
1523
1524         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1525
1526 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1527
1528         * arm.md (negdi2): Remove redundant code to force values into a
1529         register.
1530
1531 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1532
1533         * arm/bpabi.S: Add EABI alignment attributes to objects.
1534         * arm/bpabi-v6m.S: Likewise.
1535         * arm/crti.asm: Likewise.
1536         * arm/crtn.asm: Likewise.
1537         * arm/lib1funcs.asm: Likewise.
1538         * arm/libunwind.S: Likewise.
1539
1540 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1541
1542         * arm-protos.h (tune_params): New structure.
1543         * arm.c (current_tune): New variable.
1544         (arm_constant_limit): Delete.
1545         (struct processors): Add pointer to the tune parameters.
1546         (arm_slowmul_tune): New tuning option.
1547         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1548         (all_cores): Adjust to pick up the tuning model.
1549         (arm_constant_limit): New function.
1550         (arm_override_options): Select the appropriate tuning model.  Delete
1551         initialization of arm_const_limit.
1552         (arm_split_constant): Use the new constant-limit model.
1553         (arm_rtx_costs): Pick up the current tuning model.
1554         * arm.md (is_strongarm, is_xscale): Delete.
1555         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1556         for Xscale variant architectures.
1557         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1558
1559 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1560
1561         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1562         can_shift.
1563         (arm_rtx_costs_1): Remove unused variable extra_cost.
1564         (arm_unwind_emit_set): Use variable offset.
1565         (thumb1_output_casesi): Remove unused variable flags.
1566
1567 2010-04-16  Jeff Law  <law@redhat.com>
1568
1569         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1570         needing assignment rather than doing a two-phase assignment.  Remove
1571         unused variable 'm'.
1572
1573 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1574
1575         PR bootstrap/43767
1576         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1577
1578 2010-04-16  Doug Kwan  <dougkwan@google.com>
1579
1580         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1581         (next_operand_entry_id): New static variable.
1582         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1583         (add_to_ops_vec): Assigned unique ID to operand entry.
1584         (struct oecount_s): New field ID.
1585         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1586         (undistribute_ops_list): Assign unique IDs to oecounts.
1587         (init_reassoc): reset next_operand_entry_id.
1588
1589 2010-04-16  Doug Kwan  <dougkwan@google.com>
1590
1591         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1592         missing left parenthesis.
1593
1594 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1595
1596         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1597         *btdi_rex64 using SWI48 mode iterator.
1598         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1599         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1600         *jcc_btdi_mask_rex64.
1601
1602 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1603
1604         * double-int.h (tree_to_double_int): Convert to macro.
1605         * double-int.c (tree_to_double_int): Remove.
1606
1607 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1608
1609         PR debug/43762
1610         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1611         with want_address 2 and in case a single element list might be
1612         possible, call it again with want_address 0.
1613
1614 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1615
1616         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1617         case 'W' print operands for HI mode.
1618         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1619         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1620         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1621         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1622
1623         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1624
1625         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1626         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1627         #xx:3 and #xx:4 mode.
1628
1629         * config/h8300/h8300.md (inverted load with HImode dest): Add
1630         support for H8300SX.
1631
1632         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1633         satisfy 'U' constraint.
1634
1635 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1636
1637         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1638         * configure: Regenerate.
1639         * config.in: Regenerate.
1640         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1641         works.
1642
1643 2010-04-16  Richard Guenther  <rguenther@suse.de>
1644
1645         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1646         (struct tree_decl_common): ... here.
1647         (DECL_PT_UID): Adjust.
1648         (SET_DECL_PT_UID): Likewise.
1649         (DECL_PT_UID_SET_P): Likewise.
1650
1651 2010-04-16  Richard Guenther  <rguenther@suse.de>
1652
1653         PR tree-optimization/43572
1654         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1655         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1656         * tree-flow.h (is_call_clobbered): Remove.
1657         * tree-flow-inline.h (is_call_clobbered): Likewise.
1658         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1659         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1660         (execute_return_slot_opt): Adjust.
1661         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1662         check for call clobbered vars here.
1663         (find_tail_calls): Move tailcall verification to the
1664         proper place.
1665
1666 2010-04-16  Diego Novillo  <dnovillo@google.com>
1667
1668         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1669
1670 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1671
1672         PR target/40603
1673         * config/arm/arm.md (cbranchqi4): New pattern.
1674         * config/arm/predicates.md (const0_operand,
1675         cbranchqi4_comparison_operator): New predicates.
1676
1677 2010-04-16  Richard Guenther  <rguenther@suse.de>
1678
1679         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1680         (dump_gimple_stmt): Likewise.
1681
1682 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1683
1684         * recog.h (struct recog_data): New field is_operator.
1685         (struct insn_operand_data): New field is_operator.
1686         * recog.c (extract_insn): Set recog_data.is_operator.
1687         * genoutput.c (output_operand_data): Emit code to set the
1688         is_operator field.
1689         * reload.c (find_reloads): Use it rather than testing for an
1690         empty constraint string.
1691
1692         PR target/41514
1693         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1694         If the previous insn is a cbranchsi4_insn with the same arguments,
1695         omit the compare instruction.
1696
1697         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1698         register, inputs must be low registers and we need a low register
1699         scratch.  Handle alternative 2 like alternative 3.
1700
1701 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1702
1703         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1704         don't call get_addr on both.  If one expression is a VALUE and
1705         the other a REG, check VALUE's locs if the REG isn't among them.
1706
1707 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1708
1709         * config/sh/sh.h (sh_frame_pointer_required): New function.
1710         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1711         (flag_omit_frame_pointer) Set.
1712         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1713         (rounded_frame_size): Adjust size with outgoing_args_size.
1714         (sh_set_return_address): Must return from stack pointer.
1715         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1716         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1717         (ACCUMULATE_OUTGOING_ARGS): Define.
1718         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1719         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1720
1721 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1722
1723         PR target/43471
1724         * config/sh/sh.c (sh_legitimize_reload_address): Use
1725         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1726         Remove a unneeded check for offset_base.
1727
1728 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1729
1730         * configure: Regenerated.
1731
1732 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1733
1734         * config/s390/s390.c (s390_call_save_register_used): Switch back
1735         to HARD_REGNO_NREGS.
1736
1737 2010-04-15  Richard Guenther  <rguenther@suse.de>
1738
1739         * alias.c (alias_set_subset_of): Handle alias-set zero
1740         child properly.
1741
1742 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1743             Julian Brown  <julian@codesourcery.com>
1744
1745         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1746         alternatives according to use of high and low regs.
1747         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1748         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1749         optimizing for size on Thumb-2.
1750
1751 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1752
1753         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1754
1755 2010-04-15  Richard Guenther  <rguenther@suse.de>
1756
1757         * tree-ssa-structalias.c (struct variable_info): Add
1758         is_fn_info flag.
1759         (new_var_info): Initialize it.
1760         (dump_constraints): Support printing last added constraints.
1761         (debug_constraints): Adjust.
1762         (dump_constraint_graph): Likewise.
1763         (make_heapvar_for): Check for NULL cfun.
1764         (get_function_part_constraint): New function.
1765         (get_fi_for_callee): Likewise.
1766         (find_func_aliases): Properly implement IPA PTA constraints.
1767         (process_ipa_clobber): New function.
1768         (find_func_clobbers): Likewise.
1769         (insert_into_field_list_sorted): Remove.
1770         (create_function_info_for): Properly allocate vars for IPA mode.
1771         Do not use insert_into_field_list_sorted.
1772         (create_variable_info_for): Properly generate constraints for
1773         global vars in IPA mode.
1774         (dump_solution_for_var): Always dump the solution.
1775         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1776         (find_what_var_points_to): Adjust.
1777         (pt_solution_set): Change.
1778         (pt_solution_ior_into): New function.
1779         (pt_solution_empty_p): Export.
1780         (pt_solution_includes_global): Adjust.
1781         (pt_solution_includes_1): Likewise.
1782         (pt_solutions_intersect_1): Likewise.
1783         (dump_sa_points_to_info): Check some invariants.
1784         (solve_constraints): Move constraint dumping ...
1785         (compute_points_to_sets): ... here.
1786         (ipa_pta_execute): ... and here.
1787         (compute_may_aliases): Do not re-compute points-to info
1788         locally if IPA info is available.
1789         (ipa_escaped_pt): New global var.
1790         (ipa_pta_execute): Properly implement IPA PTA.
1791         * tree-into-ssa.c (dump_decl_set): Support dumping
1792         decls not in referenced-vars.
1793         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1794         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1795         (dump_points_to_solution): Likewise.
1796         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1797         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1798         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1799         (copy_decl_to_var): Copy DECL_PT_UID.
1800         (copy_result_decl_to_var): Likewise.
1801         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1802         (copy_node_stat): Copy it.
1803         * tree.h (DECL_PT_UID): New macro.
1804         (SET_DECL_PT_UID): Likewise.
1805         (DECL_PT_UID_SET_P): Likewise.
1806         (struct tree_decl_minimal): Add pt_uid member.
1807         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1808         (pt_solution_empty_p): Declare.
1809         (pt_solution_set): Adjust.
1810         (ipa_escaped_pt): Declare.
1811         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1812         * gimple-pretty-print.c (pp_points_to_solution): New function.
1813         (dump_gimple_call): Dump call clobber/use information.
1814         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1815         * tree-pass.h (TDF_ALIAS): New dump option.
1816         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1817         * doc/invoke.texi (-fipa-pta): Update documentation.
1818
1819 2010-04-15  Richard Guenther  <rguenther@suse.de>
1820
1821         * Makefile.in (OBJS-common): Add gimple-fold.o.
1822         (gimple-fold.o): New rule.
1823         * tree.h (maybe_fold_offset_to_reference,
1824         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1825         prototypes ...
1826         * gimple.h: ... here.
1827         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1828         may_propagate_address_into_dereference): Move prototypes ...
1829         * gimple.h: ... here.
1830         * tree-ssa-ccp.c (get_symbol_constant_value,
1831         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1832         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1833         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1834         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1835         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1836         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1837         gimplify_and_update_call_from_tree): Move ...
1838         * gimple-fold.c: ... here.  New file.
1839         (ccp_fold_builtin): Rename to ...
1840         (gimple_fold_builtin): ... this.
1841         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1842
1843 2010-04-15  Richard Guenther  <rguenther@suse.de>
1844
1845         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1846         fit_double_type, force_fit_type_double, add_double_with_sign,
1847         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1848         lrotate_double, rrotate_double, div_and_round_double): Move ...
1849         * double-int.c: ... here.
1850         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1851         add_double, neg_double, mul_double_with_sign, mul_double,
1852         lshift_double, rshift_double, lrotate_double, rrotate_double,
1853         div_and_round_double): Move prototypes ...
1854         * double-int.h: ... here.
1855
1856 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1857
1858         PR target/43742
1859         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1860         matching constraints to ensure inputs match the output.
1861
1862 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1863
1864         PR target/43742
1865         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1866         in an input-only operand.
1867
1868 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1869
1870         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1871         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1872         (double_int_negative_p): Convert to static inline function.
1873         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1874         (double_int_negative_p): Remove.
1875         * tree.h (lshift_double, rshift_double):
1876         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1877         * fold-const.c (fold_convert_const_int_from_real,
1878         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1879         (lshift_double): Change type of arith argument to bool.
1880         (rshift_double): Change type of arith argument to bool. Correct
1881         comment.
1882         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1883
1884 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1885
1886         PR target/21803
1887         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1888         at the start and end of the then/else blocks, and omit them from the
1889         conversion.
1890         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1891         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1892         (flow_find_head_matching_sequence): New function.
1893         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1894         * basic-block.h (flow_find_cross_jump,
1895         flow_find_head_matching_sequence): Declare functions.
1896
1897 2010-04-14  Jason Merrill  <jason@redhat.com>
1898
1899         PR c++/36625
1900         * c-common.c (attribute_takes_identifier_p): New fn.
1901         * c-common.h: Declare it.
1902
1903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1904
1905         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1906         splitter condition.
1907         (*udivmod<mode>4): Ditto.
1908
1909 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1910
1911         * config/i386/i386.md (maxmin_int): Rename code attribute from
1912         maxminiprefix and update all users.
1913         (maxmin_float): Ditto from maxminfprefix.
1914         (logic): Ditto from logicprefix.
1915         (absneg_mnemonic): Ditto from absnegprefix.
1916         * config/i386/mmx.md: Update all users of maxminiprefix,
1917         maxminfprefix and logicprefix for rename.
1918         * config/i386/sse.md: Ditto.
1919         * config/i386/sync.md (sync_<code><mode>): Update for
1920         logicprefix rename.
1921
1922 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1923
1924         PR 42966
1925         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1926         warnings converted to errors.
1927
1928 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1931         used insn_type variable.
1932         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1933         to avoid set-but-not-used warning.
1934
1935 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * df-core.c (df_ref_debug): Change format string placeholder
1938         from 0x%x to %#x.
1939         * dwarf2asm.c (dw2_asm_output_data_raw,
1940         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1941         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1942         * dwarf2out.c (output_cfi, output_cfi_directive,
1943         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1944         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1945         Ditto.
1946         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1947         * print-rtl.c (print_rtx): Ditto.
1948
1949 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1950
1951         PR middle-end/42694
1952         * builtins.c (expand_builtin_pow_root): New function to expand pow
1953         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1954         series of sqrt and cbrt calls under -ffast-math.
1955         (expand_builtin_pow): Call it.
1956
1957 2010-04-14  Michael Matz  <matz@suse.de>
1958
1959         PR tree-optimization/42963
1960         * tree-cfg.c (touched_switch_bbs): New static variable.
1961         (group_case_labels_stmt): New function broken out from ...
1962         (group_case_labels): ... here, use the above.
1963         (start_recording_case_labels): Allocate touched_switch_bbs.
1964         (end_recording_case_labels): Deallocate it, call
1965         group_case_labels_stmt.
1966         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1967
1968 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1969
1970         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1971         from insn template.
1972
1973 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1974
1975         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1976
1977 2010-04-13  Jan Hubicka  <jh@suse.cz>
1978
1979         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1980         of optimized out static functions.
1981         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1982         cost computation.  Also sanity check for overflows.
1983         (update_caller_keys): Update cgraph_edge_badness call; properly
1984         update fibheap and sanity check that it is up to date.
1985         (add_new_edges_to_heap): Update cgraph_edge_badness.
1986         (cgraph_decide_inlining_of_small_function): Likewise;
1987         add sanity checking that badness in heap is up to date;
1988         improve dumping of reason; Update badness of calls to the
1989         offline copy of function currently inlined; dump badness
1990         of functions not inlined because of unit growth limits.
1991
1992 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1993
1994         PR middle-end/32628
1995         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1996         because of sign-extension change when converting to sizetype here...
1997         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1998
1999         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2000         the folding to constants.  Remove redundant final conversion.
2001         (fold_binary) <associate>: Do not associate if the re-association of
2002         constants alone overflows.
2003         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2004         to the end of the list.
2005         (multiple_of_p) <COND_EXPR>: New case.
2006
2007 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2008
2009         * opt-functions.awk (opt_sanitized_name): New.
2010         (opt_enum): New.
2011         * optc-gen.awk: Use it
2012         * opth-gen.awk: Use it.
2013
2014 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2015
2016         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2017         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2018         children.  Call replace_uses_with_default_def_ssa_name to handle
2019         SSA_NAES on lhs.
2020
2021 2010-04-13  Michael Matz  <matz@suse.de>
2022
2023         PR middle-end/43730
2024         * builtins.c (expand_builtin_interclass_mathfn): Also create
2025         a register if the predicate doesn't match.
2026
2027 2010-04-13  Diego Novillo  <dnovillo@google.com>
2028
2029         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2030         * c-pch.c: Include timevar.h.
2031         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2032         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2033         * ggc-common.c: Include timevar.h.
2034         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2035         * timevar.def (TV_PCH_SAVE): Define.
2036         (TV_PCH_CPP_SAVE): Define.
2037         (TV_PCH_PTR_REALLOC): Define.
2038         (TV_PCH_PTR_SORT): Define.
2039         (TV_PCH_RESTORE): Define.
2040         (TV_PCH_CPP_RESTORE): Define.
2041
2042 2010-04-13  Michael Matz  <matz@suse.de>
2043
2044         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2045         into MINUS_EXPRs.
2046         (can_reassociate_p): New function.
2047         (break_up_subtract_bb, reassociate_bb): Use it.
2048
2049 2010-04-13  Richard Guenther  <rguenther@suse.de>
2050
2051         PR bootstrap/43737
2052         * builtins.c (c_readstr): Fix assert.
2053
2054 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2055
2056         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2057         when generating cltd insn.
2058
2059         (*ashl<mode>3_1): Remove special handling for register operand 2.
2060         (*ashlsi3_1_zext): Ditto.
2061         (*ashlhi3_1): Ditto.
2062         (*ashlhi3_1_lea): Ditto.
2063         (*ashlqi3_1): Ditto.
2064         (*ashlqi3_1_lea): Ditto.
2065         (*<shiftrt_insn><mode>3_1): Ditto.
2066         (*<shiftrt_insn>si3_1_zext): Ditto.
2067         (*<shiftrt_insn>qi3_1_slp): Ditto.
2068         (*<rotate_insn><mode>3_1): Ditto.
2069         (*<rotate_insn>si3_1_zext): Ditto.
2070         (*<rotate_insn>qi3_1_slp): Ditto.
2071
2072 2010-04-13  Richard Guenther  <rguenther@suse.de>
2073
2074         * tree-ssa-structalias.c (callused_id): Remove.
2075         (call_stmt_vars): New.
2076         (get_call_vi): Likewise.
2077         (lookup_call_use_vi): Likewise.
2078         (lookup_call_clobber_vi): Likewise.
2079         (get_call_use_vi): Likewise.
2080         (get_call_clobber_vi): Likewise.
2081         (make_transitive_closure_constraints): Likewise.
2082         (handle_const_call): Adjust to do per-call call-used handling.
2083         (handle_pure_call): Likewise.
2084         (find_what_var_points_to): Remove general callused handling.
2085         (init_base_vars): Likewise.
2086         (init_alias_vars): Initialize call_stmt_vars.
2087         (compute_points_to_sets): Process call-used and call-clobbered
2088         vars for call statements.
2089         (delete_points_to_sets): Free call_stmt_vars.
2090
2091 2010-04-13  Richard Guenther  <rguenther@suse.de>
2092
2093         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2094         Only add RW dependence for dependence distance zero.
2095         Adjust maximal vectorization factor according to dependences.
2096         Move alignment handling ...
2097         (vect_find_same_alignment_drs): ... here.  New function.
2098         (vect_analyze_data_ref_dependences): Adjust.
2099         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2100         (vect_analyze_data_refs): Adjust minimal vectorization factor
2101         according to data references.
2102         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2103         dependences before determining the vectorization factor.
2104         Analyze alignment after determining the vectorization factor.
2105         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2106         dependences before alignment.
2107         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2108         Adjust prototype.
2109         (vect_analyze_data_refs): Likewise.
2110         (MAX_VECTORIZATION_FACTOR): New define.
2111
2112 2010-04-13  Duncan Sands  <baldrick@free.fr>
2113
2114         * except.h (lang_eh_type_covers): Remove.
2115         * except.c (lang_eh_type_covers): Likewise.
2116
2117 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2118             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2119
2120         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2121         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2122         UNITS_PER_LONG where it is ABI relevant.
2123         (s390_return_addr_rtx): Likewise.
2124         (s390_back_chain_rtx): Likewise.
2125         (s390_frame_area): Likewise.
2126         (s390_frame_info): Likewise.
2127         (s390_initial_elimination_offset): Likewise.
2128         (save_gprs): Likewise.
2129         (s390_emit_prologue): Likewise.
2130         (s390_emit_epilogue): Likewise.
2131         (s390_function_arg_advance): Likewise.
2132         (s390_function_arg): Likewise.
2133         (s390_va_start): Likewise.
2134         (s390_gimplify_va_arg): Likewise.
2135         (s390_function_profiler): Likewise.
2136         (s390_optimize_prologue): Likewise.
2137         (s390_rtx_costs): Likewise.
2138         (s390_secondary_reload): Likewise.
2139         (s390_promote_function_mode): Likewise.
2140         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2141         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2142         registers available.
2143         (s390_unwind_word_mode): New function.
2144         (s390_function_value): Split 64 bit values into register pair if
2145         used as return value.
2146         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2147         function call parameters.  Handle parallels.
2148         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2149         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2150         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2151         (s390_expand_setmem): Remove unused variable src_addr.
2152         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2153         deal with 64 bit registers.
2154         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2155         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2156         (UNITS_PER_LONG): New macro.
2157         * libjava/include/s390-signal.h: Define extended ucontext
2158         structure containing the upper halfs of the 64 bit registers.
2159
2160 2010-04-13  Simon Baldwin  <simonb@google.com>
2161
2162         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2163
2164 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2165
2166         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2167         rvalue on the RHS if the LHS is of a non-renamable type.
2168         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2169
2170 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2171
2172         * gcc.c (cc1_options): Handle -iplugindir before processing
2173         the cc1 spec. Only add -iplugindir once.
2174         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2175         found.
2176         * common.opt (iplugindir): Remove `Separate' property, initialize.
2177         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2178         option.
2179         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2180         (distclean): Remove plugin dir.
2181         * doc/invoke.texi: Document -iplugindir.
2182
2183 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2184
2185         * doc/plugins.texi (Loading Plugins): Document short
2186         -fplugin=foo option.
2187         (Plugin API): Mention default_plugin_dir_name function.
2188
2189         * gcc.c (find_file_spec_function): Add new declaration.
2190         (static_spec_func): Use it for "find-file".
2191         (find_file_spec_function): Add new function.
2192         (cc1_options): Add -iplugindir option if -fplugin* options found.
2193
2194         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2195
2196         * plugin.c (add_new_plugin): Updated comment, and handle short
2197         plugin name.
2198         (default_plugin_dir_name): Added new function.
2199
2200         * common.opt (iplugindir): New option to set the plugin directory.
2201
2202 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2203
2204         * config/i386/i386.md (any_rotate): New code iterator.
2205         (rotate_insn): New code attribute.
2206         (rotate): Ditto.
2207         (SWIM124): New mode iterator.
2208         (<rotate_insn>ti3): New expander.
2209         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2210         any_rotate code iterator.
2211         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2212         using any_rotate code iterator and SWIM124 mode iterator.
2213         (ix86_rotlti3): New insn_and_split pattern.
2214         (ix86_rotrti3): Ditto.
2215         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2216         ix86_rotl{di,ti}3 patterns.
2217         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2218         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2219         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2220         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2221         code iterator and SWI mode iterator.
2222         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2223         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2224         code iterator.
2225         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2226         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2227         (bswap rotatert splitter): Add splitter.
2228         (bswap splitter): Macroize splitter using any_rotate code iterator.
2229         Add insn predicate to split only for TARGET_USE_XCHGB or when
2230         optimizing function for size.
2231
2232 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2233
2234         * config/pa/pa.c (emit_move_sequence): Remove use of
2235         deleted variable flag_argument_noalias.
2236
2237 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2238
2239         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2240         configurations.
2241         Add to unsupported targets list.
2242         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2243         sparc*-sun-solaris2.[567]* from target lists.
2244         * configure: Regenerate.
2245         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2246         removal.
2247         Remove Solaris 7 patch references.
2248         (Specific, sparc-sun-solaris2.7): Removed.
2249         (sparc-sun-solaris2*): Update Solaris 7 example.
2250         (sparc64-*-solaris2*): Likewise.
2251
2252 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2253
2254         * config.build (alpha*-dec-osf4*): Remove.
2255         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2256         of obsolete configurations.
2257         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2258         support.
2259         * config/alpha/t-osf4: Renamed to ...
2260         * config/alpha/t-osf5: ... this.
2261         * config/alpha/osf.h: Renamed to ...
2262         * config/alpha/osf5.h: ... this.
2263         Merged old osf5.h contents.
2264         Update comments.
2265         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2266         (EXTRA_SPECS): Removed.
2267         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2268         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2269         Document that.
2270
2271 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2272
2273         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2274
2275 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2276
2277         PR/43702
2278         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2279         __thiscall convention.
2280
2281 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2282
2283         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2284         orig_base.
2285         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2286
2287 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2288
2289         * function.c (assign_parms_initialize_all): Add unused attribute
2290         to fntype.
2291
2292 2010-04-12  Richard Guenther  <rguenther@suse.de>
2293
2294         * gsstruct.def (GSS_CALL): New.
2295         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2296         * gimple.h: Include tree-ssa-alias.h.
2297         (struct gimple_statement_call): New.
2298         (union gimple_statement_struct_d): Add gimple_call member.
2299         (gimple_call_reset_alias_info): Declare.
2300         (gimple_call_use_set): New function.
2301         (gimple_call_clobber_set): Likewise.
2302         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2303         * gimple.c (gimple_call_reset_alias_info): New function.
2304         (gimple_build_call_1): Call it.
2305         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2306         * tree-inline.c (remap_gimple_stmt): Likewise.
2307         (expand_call_inline): Remove callused handling.
2308         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2309         * tree-dfa.c (dump_variable): Likewise.
2310         * tree-parloops.c (parallelize_loops): Likewise.
2311         * tree-ssa.c (init_tree_ssa): Likewise.
2312         (delete_tree_ssa): Likewise.
2313         * tree-flow-inline.h (is_call_used): Remove.
2314         * tree-flow.h (struct gimple_df): Remove callused member.
2315         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2316         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2317         (ref_maybe_used_by_call_p_1): Simplify.
2318         (call_may_clobber_ref_p_1): Likewise.
2319         * tree-ssa-structalias.c (compute_points_to_sets): Set
2320         the call stmt used and clobbered sets.
2321         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2322         (find_tail_calls): Verify the tail call.
2323
2324 2010-04-12  Richard Guenther  <rguenther@suse.de>
2325
2326         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2327         single-iteration always-inline inlining.
2328         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2329         (cgraph_decide_inlining): Do not handle always-inline specially.
2330         (try_inline): Remove always-inline cycle detection special case.
2331         Do not recurse on always-inlines.
2332         (cgraph_early_inlining): Do not iterate if not optimizing.
2333         (cgraph_gate_early_inlining): remove.
2334         (pass_early_inline): Run unconditionally.
2335         (gate_cgraph_decide_inlining): New function.
2336         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2337         not inlining or optimizing.
2338         (cgraph_decide_inlining_of_small_functions): Also consider
2339         always-inline functions.
2340         (cgraph_default_inline_p): Return true for nodes which should
2341         disregard inline limits.
2342         (estimate_function_body_sizes): Assume zero size and time for
2343         nodes which are marked as disregarding inline limits.
2344         (cgraph_decide_recursive_inlining): Do not perform recursive
2345         inlining on always-inline nodes.
2346
2347 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR bootstrap/43699
2350         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2351         for exprs satisfying handled_component_p.
2352
2353 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2354
2355         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2356         non-constant aggregate elements.
2357
2358         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2359         is a real initialization.
2360
2361 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2362
2363         PR c/36774
2364         * c-decl.c (start_function): Move forward check for nested function.
2365
2366 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2367
2368         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2369         * config/sh/sh.c: Include reload.h.
2370         (sh_legitimize_reload_address): New.
2371         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2372         sh_legitimize_reload_address.
2373
2374 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2375
2376         * config/sh/sh.md (*movqi_pop): New insn pattern.
2377         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2378
2379 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2380
2381         * config/i386/i386.md (any_shiftrt): New code iterator.
2382         (shiftrt_insn): New code attribute.
2383         (shiftrt): Ditto.
2384         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2385         using any_shiftrt code iterator.
2386         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2387         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2388         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2389         pattern from corresponding peephole2 patterns.
2390         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2391         using any_shiftrt code iterator.
2392         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2393         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2394         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2395         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2396         *{ashr,lshr}<mode>3_cmp_zext.
2397         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2398
2399 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2400
2401         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2402         scratch register.
2403         (*lshr<mode>3_cconly): Ditto.
2404
2405 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2406
2407         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2408         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2409         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2410         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2411         DWI mode iterator.
2412         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2413         from corresponding peephole2 patterns.
2414         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2415         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2416         and *lshrdi3_1_rex64 using SWI mode iterator.
2417         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2418         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2419         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2420         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2421         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2422         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2423         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2424         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2425         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2426         SWI mode iterator.
2427
2428 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2429
2430         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2431         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2432         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2433         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2434         DWI mode iterator.
2435         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2436         from corresponding peephole2 patterns.
2437         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2438         (ashrsi3_cvt): Rename from ashrsi3_31.
2439         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2440         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2441         and x86_64_shift_adj_3 using SWI48 mode iterator.
2442         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2443         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2444         and *ashrdi3_1_rex64 using SWI mode iterator.
2445         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2446         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2447         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2448         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2449         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2450         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2451         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2452         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2453         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2454         SWI mode iterator.
2455         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2456         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2457         x86_shift<mode>_adj_3 expanders.
2458
2459 2010-04-10  Wei Guozhi  <carrot@google.com>
2460
2461         PR target/42601
2462         * config/arm/arm.c (arm_pic_static_addr): New function.
2463         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2464         a static symbol.
2465         (arm_output_addr_const_extra): Output expression for new pattern.
2466         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2467
2468 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2469
2470         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2471         not enabled.
2472
2473         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2474         * web.c: Include "insn-config.h" and "recog.h".
2475         (union_match_dups): New function.
2476         (web_main): Call it.
2477         (union_defs): Don't try to recognize match_dups.
2478
2479         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2480         if doing so would replace the entire pattern.
2481
2482 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2483
2484         PR target/43707
2485         PR target/43709
2486         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2487         and splitter pattern.  Change splitter operand 1 predicate to
2488         nonmemory_operand.
2489
2490 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2491
2492         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2493         lattices are addresses of CONST_DECLs with the same initial value.
2494         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2495         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2496
2497 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2498             Bernd Schmidt  <bernds@codesourcery.com>
2499
2500         * loop-invariant.c (replace_uses): New static function.
2501         (move_invariant_reg): Use it to ensure we can replace the uses.
2502
2503 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2504
2505         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2506         function template.
2507         (picochip_override_options): Enable section anchors only above -O1.
2508         (picochip_reorg): Fixed a couple of build warnings.
2509
2510 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2511
2512         * configure.ac (plugin -rdynamic test): Log result.
2513         * configure: Regenerate.
2514         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2515         (RDYNAMIC_SPEC): Define.
2516         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2517
2518 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2519
2520         * configure.ac: Determine Sun ld version numbers.
2521         (comdat_group): Restrict GNU ld version checks to gld.
2522         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2523         (enable_comdat): Support --enable-comdat.
2524         * configure: Regenerate.
2525         * doc/install.texi (Configuration): Document --enable-comdat.
2526
2527 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2528
2529         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2530         * config/sol2-gld.h: ... here.
2531         * config.gcc (sparc*-*-solaris2*): Reflect this.
2532         (i[34567]86-*-solaris2*): Use it.
2533
2534 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2535
2536         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2537         setup_clocks_p.
2538         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2539
2540 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2541
2542         PR 42965
2543         * diagnostic.c (diagnostic_initialize): Initialize
2544         some_warnings_are_errors.
2545         (diagnostic_finish): New.
2546         (diagnostic_action_after_output): Call it before exiting.
2547         (diagnostic_report_diagnostic): Do not print message here. Set
2548         some_warnings_are_errors.
2549         * diagnostic.h (diagnostic_context): Delete
2550         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2551         (diagnostic_finish): Declare.
2552         * toplev.c (toplev_main): Call it before exit.
2553
2554 2010-04-09  Jason Merrill  <jason@redhat.com>
2555
2556         PR c++/42623
2557         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2558         for incomplete type.
2559
2560         PR c++/41788
2561         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2562         based on a warning flag.
2563
2564 2010-04-09  Richard Guenther  <rguenther@suse.de>
2565
2566         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2567
2568 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2569
2570         PR bootstrap/43684
2571         * varasm.c (default_assemble_visibility): Wrap vars that are
2572         set, but unused, by targets without GAS.
2573         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2574         Remove set, but unused, vars.
2575         (rs6000_legitimize_tls_address): Likewise.
2576         (altivec_expand_dst_builtin): Likewise.
2577         * config/darwin.c (machopic_classify_symbol): Likewise.
2578         (machopic_indirection_name): Likewise.
2579
2580 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         * config/i386/i386.md (DWI): New mode iterator.
2583         (S): New mode attribute.
2584         (shift_operand): Ditto.
2585         (shift_immediate_operand): Ditto.
2586         (ashl_input_operand): Ditto.
2587         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2588         using SDWIM mode iterator.
2589         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2590         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2591         DWI mode iterator.
2592         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2593         from corresponding peephole2 patterns.
2594         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2595         and x86_64_shift_adj_1 using SWI48 mode iterator.
2596         (x86_shift<mode>_adj_2): Ditto.
2597         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2598         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2599         using SWI48 mode iterator.
2600         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2601         *ashldi3_cmp_rex64 using SWI mode iterator.
2602         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2603         *ashldi3_cconly_rex64 using SWI mode iterator.
2604         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2605         x86_shift<mode>_adj_{1,2}.
2606         (ix86_split_ashr): Ditto.
2607         (ix86_split_lshr): Ditto.
2608
2609 2010-04-09  Richard Guenther  <rguenther@suse.de>
2610
2611         * target.h (builtin_conversion): Pass in input and output types.
2612         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2613         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2614         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2615         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2616
2617         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2618         Handle AVX modes.
2619         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2620
2621 2010-04-09  Richard Guenther  <rguenther@suse.de>
2622
2623         PR target/43152
2624         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2625
2626 2010-04-09  Richard Guenther  <rguenther@suse.de>
2627
2628         * tree-vectorizer.h (struct _stmt_vec_info): Document
2629         that vectype is the type of the LHS.
2630         (supportable_widening_operation, supportable_narrowing_operation):
2631         Get both input and output vector types as arguments.
2632         (vect_is_simple_use_1): Declare.
2633         (get_same_sized_vectype): Likewise.
2634         * tree-vect-loop.c (vect_determine_vectorization_factor):
2635         Set STMT_VINFO_VECTYPE to the vector type of the def.
2636         (vectorizable_reduction): Adjust.
2637         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2638         Adjust.  Specify the output vector type.
2639         (vect_pattern_recog_1): Adjust.
2640         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2641         (vectorizable_call): Adjust.
2642         (vectorizable_conversion): Likewise.
2643         (vectorizable_operation): Likewise.
2644         (vectorizable_type_demotion): Likewise.
2645         (vectorizable_type_promotion): Likewise.
2646         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2647         the def.
2648         (vect_is_simple_use_1): New function.
2649         (supportable_widening_operation): Get both input and output
2650         vector types.
2651         (supportable_narrowing_operation): Likewise.
2652         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2653
2654 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2655
2656         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2657         __thiscall and _thiscall as predefined macros.
2658         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2659         thiscall attribute handling.
2660         (ix86_comp_type_attributes): Likewise.
2661         (ix86_function_regparm): Likewise.
2662         (ix86_return_pops_args): Likewise.
2663         (init_cumulative_args): Likewise.
2664         (find_drap_reg): Likewise.
2665         (ix86_static_chain): Likewise.
2666         (x86_this_parameter): Likewise.
2667         (x86_output_mi_thunk): Likewise.
2668         (ix86_attribute_table): Add description for thiscall attribute.
2669         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2670         * doc/extend.texi: Add documentation for thiscall.
2671
2672 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2673
2674         PR c++/28584
2675         * c.opt (Wint-to-pointer-cast): Available in C++.
2676         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2677
2678 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2679
2680         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2681         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2682         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2683         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2684         function type instead.  Reorder and simplify checks.
2685
2686         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2687
2688 2010-04-08  Jing Yu  <jingyu@google.com>
2689             Zdenek Dvorak  <ook@ucw.cz>
2690
2691         PR tree-optimization/42720
2692         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2693         loop unswitch conditions here from ...
2694         (tree_unswitch_single_loop): ... here.
2695
2696 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2697
2698         * tree-if-conv.c: Fix comments and simplify logic.
2699
2700 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2701
2702         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2703         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2704         (main_tree_if_conversion): Update call to tree_if_conversion.
2705
2706 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2707
2708         PR 42485
2709         * doc/invoke.texi (-b,-V): Delete.
2710         * doc/tm.texi: Do not mention -b.
2711         * gcc.c (display_help): Delete -b and -V.
2712         (process_command): Delete -b and -V.
2713         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2714
2715 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2716             Wolfgang Gellerich  <gellerich@de.ibm.com>
2717
2718         Implement target hook for loop unrolling
2719         * target.h (loop_unroll_adjust): Add a new target hook function.
2720         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2721         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2722         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2723         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2724         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2725         target hook.
2726         (decide_unroll_stupid): Likewise.
2727
2728 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2729
2730         PR target/43643
2731         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2732
2733 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2734
2735         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2736         (Specific, *-*-solaris2*): Likewise.
2737         Don't prefer Sun as over GNU as.
2738
2739 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2740
2741         * config/s390/s390.c (override_options): Adjust the z10
2742           defaults for max-unroll-times, max-completely-peeled-insns
2743           and max-completely-peel-times.
2744
2745 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2746
2747         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2748         instructions for z10.
2749         (s390_expand_setmem): Likewise.
2750         (s390_expand_cmpmem): Likewise.
2751
2752 2010-04-08  Richard Guenther  <rguenther@suse.de>
2753
2754         PR tree-optimization/43679
2755         * tree-ssa-pre.c (eliminate): Only propagate copies.
2756
2757 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2758
2759         PR bootstrap/43681
2760         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2761         set but not used variable warning.
2762
2763 2010-04-08  Wei Guozhi  <carrot@google.com>
2764
2765         PR target/41653
2766         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2767         (arm_size_rtx_costs): Call the new function when optimized for size.
2768
2769 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2770
2771         PR debug/43670
2772         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2773         op0 is not a MEM, just return NULL instead of assertion
2774         failure.
2775         (discover_nonconstant_array_refs): Don't walk debug stmts.
2776
2777 2010-04-08  Doug Kwan  <dougkwan@google.com>
2778
2779         * configure.ac: Recognize gold and do not use its version number
2780         to test ld features.
2781         * configure: Regenerate.
2782
2783 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2784
2785         PR middle-end/40815
2786         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2787         (negate_value): Move code to push elements to broken_up_substracts ...
2788         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2789         negative pair to plus_negates.
2790         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2791
2792 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2793
2794         * doc/install.texi (Configuration): Move description of
2795         --enable-lto, --with-libelf*, --enable-gold from Java section to
2796         general section.
2797
2798         * doc/generic.texi (Working with declarations)
2799         (Function Properties, C and C++ Trees): Fix typos.
2800         * doc/sourcebuild.texi (Top Level): Likewise.
2801
2802 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2803
2804         PR c/18624
2805         * tree.h (DECL_READ_P): Define.
2806         (struct tree_decl_common): Add decl_read_flag.
2807         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2808         a set but not used warning.
2809         (merge_decls): Merge DECL_READ_P flag.
2810         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2811         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2812         * c-common.c (handle_used_attribute, handle_unused_attribute):
2813         Likewise.
2814         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2815         New prototypes.
2816         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2817         New functions.
2818         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2819         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2820         c_parser_binary_expression, c_parser_cast_expression,
2821         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2822         Call default_function_array_read_conversion instead of
2823         default_function_array_conversion where needed.
2824         (c_parser_unary_expression, c_parser_conditional_expression,
2825         c_parser_postfix_expression_after_primary, c_parser_initelt):
2826         Likewise.  Call mark_exp_read where needed.
2827         (c_parser_statement_after_labels, c_parser_asm_operands,
2828         c_parser_typeof_specifier, c_parser_sizeof_expression,
2829         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2830         where needed.
2831         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2832         New.
2833         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2834         (warn_unused_but_set_parameter): Default to warn_unused
2835         && extra_warnings.
2836         * doc/invoke.texi: Document -Wunused-but-set-variable and
2837         -Wunused-but-set-parameter.
2838
2839         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2840         used count variable.
2841         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2842         when operandN variables aren't used in the body of the expander
2843         or splitter.
2844         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2845         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2846         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2847         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2848         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2849         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2850         * tree.c (PROCESS_ARG): Likewise.
2851
2852 2010-04-07  Simon Baldwin  <simonb@google.com>
2853
2854         * diagnostic.h (diagnostic_override_option_index): New macro to
2855         set a diagnostic's option_index.
2856         * c-tree.h (c_cpp_error): Add warning reason argument.
2857         * opts.c (_warning_as_error_callback): New.
2858         (register_warning_as_error_callback): Store callback for
2859         warnings enabled via enable_warning_as_error.
2860         (enable_warning_as_error): Call callback, minor code tidy.
2861         * opts.h (register_warning_as_error_callback): Declare.
2862         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2863         response to -Werror=.
2864         (c_common_init_options): Register warning_as_error_callback in opts.c.
2865         * common.opt: Add -Wno-cpp option.
2866         * c-common.c (struct reason_option_codes_t): Map cpp warning
2867         reason codes to gcc option indexes.
2868         * (c_option_controlling_cpp_error): New function, lookup the gcc
2869         option index for a cpp warning reason code.
2870         * (c_cpp_error): Add warning reason argument, call
2871         c_option_controlling_cpp_error for diagnostic_override_option_index.
2872         * doc/invoke.texi: Document -Wno-cpp.
2873
2874 2010-04-07  Richard Guenther  <rguenther@suse.de>
2875
2876         * ipa-reference.c (mark_load): Use get_base_address.
2877         (mark_store): Likewise.
2878
2879         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2880         inserting GIMPLE_NOPs into the IL.
2881         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2882         Explicitly strip handled components and indirect references.
2883
2884         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2885         folding address expressions.
2886         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2887         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2888         operand_equal_p to compare decls.
2889         (ptr_deref_may_alias_decl_p): Likewise.
2890         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2891         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2892         Handle reversed comparison ops.
2893         * tree-sra.c (asm_visit_addr): Use get_base_address.
2894         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2895         * ipa-reference.c (mark_address): Use get_base_address.
2896
2897 2010-04-07  Richard Guenther  <rguenther@suse.de>
2898
2899         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2900         Propagate constants everywhere.
2901
2902 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2903
2904         PR debug/43516
2905         * tree.c (MAX_INT_CACHED_PREC): Define.
2906         (nonstandard_integer_type_cache): New array.
2907         (build_nonstandard_integer_type): Cache results for precision
2908         <= MAX_INT_CACHED_PREC.
2909
2910 2010-04-07  Richard Guenther  <rguenther@suse.de>
2911
2912         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2913         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2914         * common.opt: Likewise.
2915         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2916         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2917         (nonoverlapping_memrefs_p): Likewise.
2918         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2919         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2920         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2921         OPT_fargument_noalias_global for backward compatibility.
2922
2923 2010-04-07  Richard Guenther  <rguenther@suse.de>
2924
2925         PR tree-optimization/43270
2926         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2927         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2928         * tree-ssa-pre.c (phi_translate_1): Adjust.
2929         (fully_constant_expression): Split out vn_reference handling to ...
2930         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2931         Fold reads from constant strings.
2932         (vn_reference_lookup): Handle fully constant references.
2933         (vn_reference_lookup_pieces): Likewise.
2934         * Makefile.in (expmed.o-warn): Add -Wno-error.
2935
2936 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2937
2938         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2939
2940 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2941
2942         PR driver/41594
2943         * gcc.c: Add -static-libstdc++ to list of recognized options.
2944
2945 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2946
2947         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2948
2949 2010-04-07  Richard Guenther  <rguenther@suse.de>
2950
2951         PR middle-end/42617
2952         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2953         bases build simple mem attributes to retain points-to information.
2954
2955 2010-04-07  Richard Guenther  <rguenther@suse.de>
2956
2957         PR middle-end/42617
2958         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2959         preserve points-to related information.
2960
2961 2010-04-07  Richard Guenther  <rguenther@suse.de>
2962
2963         PR middle-end/42617
2964         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2965         discard plain indirect references.
2966         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2967         * tree.c (tree_nop_conversion): Likewise.
2968
2969 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2970
2971         PR debug/43628
2972         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2973
2974 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2975
2976         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2977         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2978
2979 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2980
2981         * tree-if-conv.c: Fix indentation and comments.
2982
2983 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2984
2985         * tree-if-conv.c: Sort static functions in topological order.
2986
2987 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2988
2989         * tree-if-conv.c: Fix indentation and comments.
2990
2991 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2992
2993         PR middle-end/43519
2994         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2995         lang_hooks.types.type_for_size instead of
2996         build_nonstandard_integer_type.
2997         When converting an unsigned type to signed, double its precision.
2998         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2999         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3000         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3001         use lb <= ub.
3002
3003 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3004
3005         PR middle-end/43519
3006         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3007         POINTER_PLUS_EXPR for pointer types.
3008
3009 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3010
3011         PR middle-end/43519
3012         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3013         * graphite-clast-to-gimple.c: Include langhooks.h.
3014         (max_signed_precision_type): New.
3015         (max_precision_type): Takes two types as arguments.
3016         (precision_for_value): New.
3017         (precision_for_interval): New.
3018         (gcc_type_for_interval): New.
3019         (gcc_type_for_value): New.
3020         (gcc_type_for_clast_term): New.
3021         (gcc_type_for_clast_red): New.
3022         (gcc_type_for_clast_bin): New.
3023         (gcc_type_for_clast_expr): Split up into several functions.
3024         (gcc_type_for_clast_eq): Rewritten.
3025         (compute_bounds_for_level): New.
3026         (compute_type_for_level_1): New.
3027         (compute_type_for_level): New.
3028         (gcc_type_for_cloog_iv): Removed.
3029         (gcc_type_for_iv_of_clast_loop): Rewritten.
3030         (graphite_create_new_loop): Compute the lower and upper bound types
3031         with gcc_type_for_clast_expr.
3032         (graphite_create_new_loop_guard): Same.
3033         (find_cloog_iv_in_expr): Removed.
3034         (compute_cloog_iv_types_1): Removed.
3035         (compute_cloog_iv_types): Removed.
3036         (gloog): Do not call compute_cloog_iv_types.
3037         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3038         GBB_CLOOG_IV_TYPES.
3039         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3040         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3041         (GBB_CLOOG_IV_TYPES): Removed.
3042
3043 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3044
3045         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3046         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3047         (detect_commutative_reduction): Same.
3048
3049 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3050
3051         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3052         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3053         argument.
3054         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3055         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3056         (rewrite_commutative_reductions_out_of_ssa): Same.
3057         * passes.c (execute_function_todo): Call verify_ssa for every pass
3058         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3059         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3060         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3061         with an extra argument.
3062         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3063         verify_ssa only when the extra argument is true.
3064         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3065         with an extra argument.
3066         (tree_transform_and_unroll_loop): Same.
3067
3068 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3069
3070         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3071         for all the passes of the LNO having LOOP_CLOSED_SSA.
3072         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3073         * tree-loop-distribution.c (pass_loop_distribution): Same.
3074         * tree-pass.h (TODO_verify_loops): Removed.
3075         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3076         (pass_lim): Same.
3077         (pass_tree_unswitch): Same.
3078         (pass_predcom): Same.
3079         (pass_vectorize): Same.
3080         (pass_linear_transform): Same.
3081         (pass_graphite_transforms): Same.
3082         (pass_iv_canon): Same.
3083         (pass_complete_unroll): Same.
3084         (pass_complete_unrolli): Same.
3085         (pass_parallelize_loops): Same.
3086         (pass_loop_prefetch): Same.
3087         (pass_iv_optimize): Same.
3088
3089 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3090
3091         PR middle-end/32824
3092         * passes.c (init_optimization_passes): Move pass_lim before
3093         pass_copy_prop and pass_dce_loop.
3094
3095 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3096
3097         PR target/43667
3098         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3099         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3100         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3101         MULTI_* defines for 4 argument vpermil2p* builtins.
3102
3103 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3104
3105         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3106         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3107         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3108         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3109         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3110         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3111         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3112         Use x86_maybe_negate_const_int to output insn mnemonic.
3113         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3114         check from instruction predicate.  Update comments.
3115         * config/i386/sync.md (sync_add<mode>): Use
3116         x86_maybe_negate_const_int to output insn mnemonic.
3117
3118 2010-04-06  Jan Hubicka  <jh@suse.cz>
3119
3120         PR tree-optimization/42906
3121         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3122         IGNORE_SELF argument.  Set visited_control_parents for fully
3123         processed BBs.
3124         (find_obviously_necessary_stmts): Update call of
3125         mark_control_dependent_edges_necessary.
3126         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3127
3128 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3129
3130         * config/i386/i386.md: Remove comment about 'e' and 'E'
3131         operand modifier.
3132
3133 2010-04-06  Richard Guenther  <rguenther@suse.de>
3134
3135         PR tree-optimization/43627
3136         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3137         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3138         not varying.
3139
3140 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3141
3142         * BASE-VER: Change to 4.6.0.
3143
3144         PR target/43638
3145         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3146         handling.
3147
3148 2010-04-06  Richard Guenther  <rguenther@suse.de>
3149
3150         PR middle-end/43661
3151         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3152
3153 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3154
3155         * doc/invoke.texi (Optimize Options): Document that LTO
3156         won't remove object access purely due to incompatible
3157         declarations.
3158
3159 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3160
3161         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3162         Initialize variable.
3163
3164 2010-04-03  Richard Guenther  <rguenther@suse.de>
3165
3166         PR middle-end/42509
3167         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3168         require a non-NULL MEM_OFFSET.
3169
3170 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3171
3172         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3173         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3174         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3175         config/alpha/predicates.md, config/arm/arm.md,
3176         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3177         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3178         config/darwin9.h, config/darwin.c, config/darwin.h,
3179         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3180         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3181         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3182         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3183         config/mips/mips.md, config/mn10300/mn10300.c,
3184         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3185         config/rs6000/aix.h, config/rs6000/dfp.md,
3186         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3187         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3188         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3189         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3190         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3191         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3192         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3193         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3194         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3195         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3196         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3197         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3198         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3199         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3200         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3201         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3202         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3203         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3204         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3205         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3206         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3207         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3208         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3209         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3210         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3211         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3212         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3213         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3214         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3215         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3216         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3217         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3218         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3219         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3220         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3221         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3222
3223 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3224
3225         PR other/43620
3226         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3227         * aclocal.m4: Regenerate.
3228
3229 2010-04-02  Richard Guenther  <rguenther@suse.de>
3230
3231         PR tree-optimization/43629
3232         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3233         if we have seen a constant value.
3234
3235 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3236
3237         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3238
3239 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3240
3241         PR target/43469
3242         * arm.c (legitimize_tls_address): Adjust call to
3243         gen_tls_load_dot_plus_four.
3244         (arm_note_pic_base): New function.
3245         (arm_cannot_copy_insn_p): Use it.
3246         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3247         constraint.
3248
3249 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3250
3251         PR bootstrap/43531
3252
3253         Revert:
3254         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3255
3256         * Makefile.in ($(out_object_file)): Depend on
3257         gt-$(basename $(notdir $(out_file))).h.
3258
3259 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3260
3261         * config.gcc (lm32-*-rtems*): Add t-lm32.
3262
3263 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3264
3265         * config.gcc: Add lm32-*-rtems*.
3266         * config/lm32/rtems.h: New file.
3267
3268 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3269
3270         PR target/42609
3271         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3272
3273 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3274
3275         * dwarf2out.c (output_compilation_unit_header): For
3276         -gdwarf-4 use version 4 instead of version 3.
3277         (output_line_info): For version 4 and above emit additional
3278         maximum ops per insn header field.
3279         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3280
3281         * dwarf2out.c (is_c_family, is_java): Remove.
3282         (lower_bound_default): New function.
3283         (add_bound_info, gen_descr_array_type_die): Use it.
3284
3285 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3286
3287         PR debug/43325
3288         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3289         re-declaration when it happens in a function.
3290
3291 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3292
3293         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3294         (cgraph_remove_function_insertion_hook): Same.
3295         (cgraph_call_function_insertion_hooks): Same.
3296
3297 2010-04-01  Richard Guenther  <rguenther@suse.de>
3298
3299         PR middle-end/43614
3300         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3301         and TREE_THIS_VOLATILE.
3302         (copy_ref_info): Likewise.
3303         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3304         * tree.c (build6_stat): Ignore side-effects of all but arg5
3305         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3306         TARGET_MEM_REF.
3307
3308 2010-04-01  Richard Guenther  <rguenther@suse.de>
3309
3310         PR tree-optimization/43607
3311         * ipa-type-escape.c (check_call): Do not access non-existing
3312         arguments.
3313
3314 2010-04-01  Richard Guenther  <rguenther@suse.de>
3315
3316         PR middle-end/43602
3317         Revert
3318         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3319                     Jack Howarth <howarth@bromo.med.uc.edu>
3320
3321         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3322         variables TLS.
3323
3324 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3325
3326         * doc/install.texi (Prerequisites): Document libelf usability on
3327         IRIX 5/6 and Solaris 2.
3328         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3329         Update GNU as, GNU ld requirements.
3330         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3331         Document Sun Studio compiler download.
3332         Update and simplify as, ld recommendations.
3333         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3334
3335 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3336
3337         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3338         with_tune_32 to pentium4.
3339
3340 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3341
3342         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3343
3344 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3345
3346         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3347         obsoletion, removal.
3348         Update IDO URL.
3349         Document GNU as requirement.
3350         Update configure requirements.
3351         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3352         Recomment IRIX 6.5.18+.
3353         Document IDF/IDL requirement.
3354         Document GNU as requirement.
3355         Document GNU ld bootstrap failure.
3356         Remove freeware.sgi.com reference.
3357
3358 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3359
3360         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3361         UNIX V4.0, V5.0 obsoletion, removal.
3362         Remove --with-gc=simple reference.
3363         Update VM requirements during bootstrap.
3364         Remove -oldas bootstrap description.
3365         Update binutils reference.
3366         Remove comparison failure note.
3367
3368 2010-03-31  Richard Guenther  <rguenther@suse.de>
3369             Zdenek Dvorak  <ook@ucw.cz>
3370             Sebastian Pop  <sebastian.pop@amd.com>
3371
3372         PR middle-end/43464
3373         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3374         with multiple arguments.
3375         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3376
3377 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3378
3379         * graphite-dependences.c (print_pddr): Call print_pdr with an
3380         extra argument.
3381         * graphite-poly.c (debug_pdr): Add an extra argument for the
3382         verbosity level.
3383         (print_pdr): Same.
3384         (print_pbb_domain): Same.
3385         (print_pbb): Same.
3386         (print_scop_context): Same.
3387         (print_scop): Same.
3388         (print_cloog): Same.
3389         (debug_pbb_domain): Same.
3390         (debug_pbb): Same.
3391         (print_pdrs): Same.
3392         (debug_pdrs): Same.
3393         (debug_scop_context): Same.
3394         (debug_scop): Same.
3395         (debug_cloog): Same.
3396         (print_scop_params): Same.
3397         (debug_scop_params): Same.
3398         (print_iteration_domain): Same.
3399         (print_iteration_domains): Same.
3400         (debug_iteration_domain): Same.
3401         (debug_iteration_domains): Same.
3402         (print_scattering_function): Same.
3403         (print_scattering_functions): Same.
3404         (debug_scattering_function): Same.
3405         (debug_scattering_functions): Same.
3406         * graphite-poly.h (debug_pdr): Update declaration.
3407         (print_pdr): Same.
3408         (print_pbb_domain): Same.
3409         (print_pbb): Same.
3410         (print_scop_context): Same.
3411         (print_scop): Same.
3412         (print_cloog): Same.
3413         (debug_pbb_domain): Same.
3414         (debug_pbb): Same.
3415         (print_pdrs): Same.
3416         (debug_pdrs): Same.
3417         (debug_scop_context): Same.
3418         (debug_scop): Same.
3419         (debug_cloog): Same.
3420         (print_scop_params): Same.
3421         (debug_scop_params): Same.
3422         (print_iteration_domain): Same.
3423         (print_iteration_domains): Same.
3424         (debug_iteration_domain): Same.
3425         (debug_iteration_domains): Same.
3426         (print_scattering_function): Same.
3427         (print_scattering_functions): Same.
3428         (debug_scattering_function): Same.
3429         (debug_scattering_functions): Same.