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1 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
2
3         PR target/43888
4         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
5
6 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
7
8         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
9         when processing flag options.
10
11 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
12
13         * gcov-iov.c (main): Change format string placeholder
14         from %#08x to 0x%08x.
15         * genchecksum.c (dosum): Change format string placeholder
16         from %#02x to 0x%02x.
17
18 2010-05-02  Richard Guenther  <rguenther@suse.de>
19
20         PR tree-optimization/43879
21         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
22
23 2010-05-02  Bruno Haible  <bruno@clisp.org>
24
25         * doc/extend.texi (Function Attributes): Fix a typo.
26
27 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
28
29         Revert:
30         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
31         placeholder from 0x%x to %#x.
32         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
33         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
34         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
35         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
36         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
37         * config/i386/i386.c (ix86_target_string): Ditto.
38         * config/i386/i386.c (output_pic_addr_const): Ditto.
39         (print_operand): Ditto.
40
41 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
42
43         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
44         placeholder from 0x%x to %#x.
45         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
46         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
47         (ASM_OUTPUT_DEBUG_DATA): Ditto.
48         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
49         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
50         * optc-gen.awk: Ditto.
51         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
52         (HOST_WIDE_INT_PRINT_HEX): Ditto.
53         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
54         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
55
56 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
57
58         * target.h (struct calls): Add function_value_regno_p field.
59         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
60         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
61         * targhooks.c (default_function_value_regno_p): New function.
62         * targhooks.h (default_function_value_regno_p): Declare function.
63         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
64         * builtins.c. (apply_result_size): (Ditto.).
65         * combine.c. (likely_spilled_retval_p): (Ditto.).
66         * mode-switching.c. Include 'target.h'.
67         (create_pre_exit): Use function_value_regno_p hook.
68         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
69         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
70         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
71
72         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
73         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
74         (ix86_function_value_regno_p): Declare as static, change argument
75         type to const unsigned int.
76         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
77
78 2010-05-01  Richard Guenther  <rguenther@suse.de>
79
80         PR tree-optimization/43949
81         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
82         types.
83         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
84
85 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
86
87         * rtl.h (CONST_DOUBLE_P): Define.
88         (rtx_to_double_int): Declare.
89         * emit-rtl.c (rtx_to_double_int): New function.
90         * dwarf2out.c (insert_double): New function.
91         (loc_descriptor, add_const_value_attribute): Clean up, use
92         rtx_to_double_int and insert_double functions.
93
94 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
95
96         * doc/extend.texi (Inline): Add missing return keyword to examples.
97         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
98         "command-line".
99
100 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
101
102         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
103         the variable part of the offset as well.  Use highest_pow2_factor for
104         all alignment checks.
105
106 2010-04-30  Richard Guenther  <rguenther@suse.de>
107
108         PR tree-optimization/43879
109         * tree-ssa-structalias.c (type_could_have_pointers): Functions
110         can have pointers.
111
112 2010-04-30  Jan Hubicka  <jh@suse.cz>
113
114         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
115         varpool.
116         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
117
118 2010-04-30  Jan Hubicka  <jh@suse.cz>
119
120         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
121         New.
122         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
123         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
124         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
125         cgraph_node_set_needs_ltrans_p): Remove.
126
127 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
128
129         * sdbout.c: Include vec.h, do not include varray.h.
130         (deferred_global_decls, sdbout_global_decl,
131         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
132         * toplev.c: Do not include varray.h.
133         (dump_memory_report): Do not dump VARRAY statistics.
134         * gengtype.c (open_base_file): Ignore varray.h.
135         * Makefile.in: Update for abovementioned changes.
136         Remove all traces of varray.c and varray.h.
137         * varray.c: Remove file.
138         * varray.h: Remove file.
139
140 2010-04-30  Jan Hubicka  <jh@suse.cz>
141
142         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
143         references.
144
145 2010-04-30  Jan Hubicka  <jh@suse.cz>
146
147         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
148         needed.
149
150 2010-04-30  Richard Guenther  <rguenther@suse.de>
151
152         * tree-ssa-structalias.c (get_constraint_for_1): Generate
153         constraints for CONSTRUCTOR.
154
155 2010-04-30  Richard Guenther  <rguenther@suse.de>
156
157         PR lto/43946
158         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
159         first after all lowering passes.
160
161 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
162
163         * toplev.c: Include varray.h for statistics dumping.
164         * tree.h: Do not declare varray_head_tag.
165         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
166         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
167         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
168         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
169         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
170         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
171         c-common.c, c-common.h, reg-stack.c, basic-block.h,
172         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
173         include varray.h.
174         * Makefile.in: Update for abovementioned changes.
175
176 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
177
178         PR debug/43942
179         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
180
181 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
182
183         * config/picochip/picochip.c (picochip_legitimize_address): Define.
184         Use this function to do machine-specific conversion.
185         (picochip_legitimize_reload_address): Likewise.
186         (picochip_legitimate_address_p): Check valid base register only if
187         strict.
188         (picochip_check_conditional_copy): Check for modw only if opnd is
189         register.
190         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
191         to call the function in c.
192         * config/picochip/picochip-protos.h
193         (picochip_legitimize_reload_address): Define.
194         * config/picochip/picochip.md (supported_compare1): Define.
195
196 2010-04-30  Jan Hubicka  <jh@suse.cz>
197
198         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
199         (cgraph_global_info): Remove inlined.
200         (LTO_cgraph_tag_names): Remove.
201         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
202         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
203         simplify cgraph tags and document.
204         (lto_output_node): Use only LTO_cgraph_unavail_node and
205         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
206         for_functions_valid, global info, process and output flags.
207         (input_overwrite_node): Initialize estimated stack size and
208         estimated growth.  Do not read flags we no longer store.
209         (input_node): Likewise do not read info no longer stored.
210         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
211         flag.
212
213 2010-04-30  Richard Guenther  <rguenther@suse.de>
214
215         PR tree-optimization/43879
216         * tree-ssa-structalias.c (get_constraint_for_1): Properly
217         handle non-zero initializers.
218
219 2010-04-30  Richard Guenther  <rguenther@suse.de>
220
221         * builtins.c (fold_builtin_1): Delete free (0).
222
223 2010-04-29  Jan Hubicka  <jh@suse.cz>
224
225         * gengtype.c (open_base_files): Add lto-streamer.h
226         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
227         (pass_ipa_cp): GGC collect.
228         * toplev. (compile_file): Do not output symbols.
229         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
230         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
231         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
232         * lto-section-in.c: Include ggc.h
233         (lto_new_in_decl_state): Alloc in GGC.
234         (lto_delete_in_decl_state): Likewise.
235         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
236         Collect.
237
238 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
239
240         PR target/42895
241         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
242         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
243         (HONOR_REG_ALLOC_ORDER): Describe new macro.
244         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
245         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
246         account only if HONOR_REG_ALLOC_ORDER is not defined.
247         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
248         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
249
250 2010-04-29  Jon Grant  <04@jguk.org>
251
252         * collect2.c (vflag): Change type from int to bool.
253         (debug): Likewise.
254         (helpflag): New global bool.
255         (main): Set vflag and debug with boolean, not integer truth values.
256         Accept new "--help" option and output usage text if found.
257         * collect2.h (vflag): Update prototype.
258         (debug): Likewise.
259
260 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
261
262         PR bootstrap/43936
263         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
264
265 2010-04-29  Richard Guenther  <rguenther@suse.de>
266
267         PR bootstrap/43935
268         * plugin.h (invoke_plugin_callbacks): Annotate arguments
269         with ATTRIBUTE_UNUSED.
270
271 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
272
273         PR target/43921
274         * config/i386/i386.c (get_some_local_dynamic_name): Replace
275         INSN_P with NONDEBUG_INSN_P.
276         (distance_non_agu_define): Likewise.
277         (distance_agu_use): Likewise.
278
279 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
280
281         From Dominique d'Humieres <dominiq@lps.ens.fr>
282         PR bootstrap/43858
283         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
284         test_set.
285
286 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
287
288         * plugin.h (invoke_plugin_callbacks): New inline function.
289         * plugin.c (flag_plugin_added): New global flag.
290         (add_new_plugin): Initialize above flag.
291         (invoke_plugin_callbacks): Rename to ...
292         (invoke_plugin_callbacks_full): ... this.
293
294 2010-04-28  Jan Hubicka  <jh@suse.cz>
295
296         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
297         (lto_varpool_replace_node): New.
298         (lto_symtab_resolve_symbols): Resolve varpool nodes.
299         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
300         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
301         * cgraph.h (varpool_node_ptr): New type.
302         (varpool_node_ptr): New vector.
303         (varpool_node_set_def): New structure.
304         (varpool_node_set): New type.
305         (varpool_node_set): New vector.
306         (varpool_node_set_element_def): New structure.
307         (varpool_node_set_element, const_varpool_node_set_element): New types.
308         (varpool_node_set_iterator): New type.
309         (varpool_node): Add prev pointers, add used_from_other_partition,
310         in_other_partition.
311         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
312         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
313         varpool_get_node, varpool_remove_node): Declare.
314         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
315         varpool_node_set_size): New inlines.
316         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
317         * tree-pass.h (varpool_node_set_def): Forward declare.
318         (ipa_opt_pass_d): Summary writting takes vnode sets too.
319         (ipa_write_optimization_summaries): Update prototype.
320         * ipa-cp.c (ipcp_write_summary): Update.
321         * ipa-reference.c (ipa_reference_write_summary): Update.
322         * lto-cgraph.c (lto_output_varpool_node): New static function.
323         (output_varpool): New function.
324         (input_varpool_node): New static function.
325         (input_varpool_1): New function.
326         (input_cgraph): Input varpool.
327         * ipa-pure-const.c (pure_const_write_summary): Update.
328         * lto-streamer-out.c (lto_output): Update, output varpool too.
329         (write_global_stream): Kill WPA hack.
330         (produce_asm_for_decls): Update.
331         (output_alias_pair_p): Handle variables.
332         (output_unreferenced_globals): Output only needed partition of varpool.
333         * ipa-inline.c (inline_write_summary): Update.
334         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
335         cgraph.
336         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
337         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
338         varpool_node_set_new, varpool_node_set_add,
339         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
340         debug_varpool_node_set): New functions.
341         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
342         (execute_one_pass): Process new decls too.
343         (ipa_write_summaries_2): Pass around vsets.
344         (ipa_write_summaries_1): Likewise.
345         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
346         to add.
347         (ipa_write_optimization_summaries_1): Pass around vsets.
348         (ipa_write_optimization_summaries): Likewise.
349         * varpool.c (varpool_get_node): New.
350         (varpool_node): Update doubly linked lists.
351         (varpool_remove_node): New.
352         (dump_varpool_node): More dumping.
353         (varpool_enqueue_needed_node): Update doubly linked lists.
354         (decide_is_variable_needed): Kill ltrans hack.
355         (varpool_finalize_decl): Kill lto hack.
356         (varpool_assemble_decl): Skip decls in other partitions.
357         (varpool_assemble_pending_decls): Update doubly linkes lists.
358         (varpool_empty_needed_queue): Likewise.
359         (varpool_extra_name_alias): Likewise.
360         * lto-streamer.c (lto_get_section_name): Add vars section.
361         * lto-streamer.h (lto_section_type): Update.
362         (output_varpool, input_varpool): Declare.
363
364 2010-04-28  Mike Stump  <mikestump@comcast.net>
365
366         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
367
368 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
369
370         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
371         record or union type with RECORD_OR_UNION_TYPE_P predicate.
372         (lto_input_ts_type_tree_pointers): Likewise.
373         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
374         (lto_output_ts_type_tree_pointers): Likewise.
375
376 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
377
378         Uniquization of constants at the Tree level
379         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
380         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
381         bit to the end.
382         (tree_output_constant_def): Declare.
383         * gimplify.c (gimplify_init_constructor): When using block copy, first
384         uniquize the constant constructor on the RHS.
385         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
386         DECL_IN_CONSTANT_POOL flag.
387         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
388         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
389         constant pool.
390         (assemble_variable): Deal with symbols belonging to the tree constant
391         pool.
392         (get_constant_section): Add ALIGN parameter and simplify.
393         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
394         (assemble_constant_contents): Use the expression of the VAR_DECL.
395         (output_constant_def_contents): Use the alignment of the VAR_DECL.
396         (tree_output_constant_def): New global function.
397         (mark_constant): Use the expression of the VAR_DECL.
398         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
399         its expression.
400         (output_object_block): Likewise and assemble the expression.
401
402 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
403
404         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
405         hash_tree, eq_tree): New tree hash table.
406         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
407         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
408         lto_orig_address_remove): Reimplement.
409
410 2010-04-28  Xinliang David Li  <davidxl@google.com>
411
412         PR c/42643
413         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
414         (compute_uninit_opnds_pos): New function.
415         (is_non_loop_exit_postdominating): New function.
416         (compute_control_dep_chain): New function.
417         (find_pdom): New function.
418         (convert_control_dep_chain_into_preds): New function.
419         (find_predicates): New function.
420         (find_control_equiv_block): New function.
421         (collect_phi_def_edges): New function.
422         (find_def_preds): New function.
423         (find_dom): New function.
424         (dump_predicates): New function.
425         (get_cmp_code): New function.
426         (is_value_included_in): New function.
427         (find_matching_predicate_in_rest_chains): New function.
428         (use_pred_not_overlap_with_undef_path_pred): New function.
429         (is_use_properly_guarded): New function.
430         (normalize_cond_1): New function.
431         (is_and_or_or): New function.
432         (normalize_cond): New function.
433         (is_gcond_subset_of): New function.
434         (is_subset_of_any): New function.
435         (is_or_set_subset_of): New function.
436         (is_and_set_subset_of): New function.
437         (is_norm_cond_subset_of): New function.
438         (is_pred_expr_subset_of): New function.
439         (is_pred_chain_subset_of): New function.
440         (is_included_in): New function.
441         (is_superset_of): New function.
442         (find_uninit_use): New function.
443         (warn_uninitialized_phi): New function.
444         (compute_possibly_undefined_names): New function.
445         (ssa_undefined_value_p): New function.
446         (execute_late_warn_uninitialized): New function.
447         * tree-ssa.c (ssa_undefined_value_p): Removed.
448         (warn_uninit): Changed to extern.
449         (warn_uninitialized_phi): Removed.
450         (warn_uninitialized_vars): Changed to extern.
451         (execute_late_warn_uninitialized): Removed
452         * tree-flow.h: Add new prototypes.
453         * timevar.def: Add new time variable.
454         * Makefile.in: Add new build file.
455
456 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
457
458         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
459         type if available.
460
461 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
462
463         PR target/22224
464         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
465
466 2010-04-28  Martin Jambor  <mjambor@suse.cz>
467
468         * cgraph.h (struct cgraph_node): New field indirect_calls.
469         (struct cgraph_indirect_call_info): New type.
470         (struct cgraph_edge): Removed field indirect_call. New fields
471         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
472         (cgraph_create_indirect_edge): Declare.
473         (cgraph_make_edge_direct): Likewise.
474         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
475         * ipa-prop.h (struct ipa_param_call_note): Removed.
476         (struct ipa_node_params): Removed field param_calls.
477         (ipa_create_all_structures_for_iinln): Declare.
478         * cgraph.c: Described indirect edges and uids in initial comment.
479         (cgraph_add_edge_to_call_site_hash): New function.
480         (cgraph_edge): Search also among the indirect edges, use
481         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
482         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
483         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
484         site hash.
485         (initialize_inline_failed): Assign a reason to indirect edges.
486         (cgraph_create_edge_1): New function.
487         (cgraph_create_edge): Moved some functionality to
488         cgraph_create_edge_1.
489         (cgraph_create_indirect_edge): New function.
490         (cgraph_edge_remove_callee): Add an assert checking for
491         non-indirectness.
492         (cgraph_edge_remove_caller): Special-case indirect edges.
493         (cgraph_remove_edge): Likewise.
494         (cgraph_set_edge_callee): New function.
495         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
496         (cgraph_make_edge_direct): New function.
497         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
498         the declaration of the call statement matches.
499         (cgraph_node_remove_callees): Special-case indirect edges.
500         (cgraph_clone_edge): Likewise.
501         (cgraph_clone_node): Clone also the indirect edges.
502         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
503         indirect_call, dump count of indirect_calls edges.
504         * ipa-prop.c (iinlining_processed_edges): New variable.
505         (ipa_note_param_call): Create indirect edges instead of
506         creating notes.  New parameter node.
507         (ipa_analyze_call_uses): New parameter node, pass it on to
508         ipa_note_param_call.
509         (ipa_analyze_stmt_uses): Likewise.
510         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
511         (print_edge_addition_message): Work on edges rather than on notes.
512         (update_call_notes_after_inlining): Likewise, renamed to
513         update_indirect_edges_after_inlining.
514         (ipa_create_all_structures_for_iinln): New function.
515         (ipa_free_node_params_substructures): Do not free notes.
516         (ipa_edge_duplication_hook): Propagate bits within
517         iinlining_processed_edges bitmap.
518         (ipa_node_duplication_hook): Do not duplicate notes.
519         (free_all_ipa_structures_after_ipa_cp): Renamed to
520         ipa_free_all_structures_after_ipa_cp.
521         (free_all_ipa_structures_after_iinln): Renamed to
522         ipa_free_all_structures_after_iinln.g
523         (ipa_write_param_call_note): Removed.
524         (ipa_read_param_call_note): Removed.
525         (ipa_write_indirect_edge_info): New function.
526         (ipa_read_indirect_edge_info): Likewise.
527         (ipa_write_node_info): Do not stream notes, do stream information
528         in indirect edges.
529         (ipa_read_node_info): Likewise.
530         (lto_ipa_fixup_call_notes): Removed.
531         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
532         * ipa-inline.c (pass_ipa_inline): Likewise.
533         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
534         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
535         * tree-inline.c (copy_bb): Removed an unnecessary double check for
536         is_gimple_call.
537         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
538         edges.
539         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
540         (output_cgraph): Stream also indirect edges.
541         (lto_output_edge): Added capability to stream indirect edges.
542         (input_edge): Likewise.
543         (input_cgraph_1): Likewise.
544         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
545         of indirect edges.
546
547 2010-04-28  Richard Guenther  <rguenther@suse.de>
548
549         PR tree-optimization/43879
550         PR tree-optimization/43909
551         * tree-ssa-structalias.c (struct variable_info): Add
552         only_restrict_pointers flag.
553         (new_var_info): Initialize it.  Increment stats.total_vars here.
554         (create_function_info_for): Do not increment stats.total_vars
555         here.
556         (get_function_part_constraint): Fix build with C++.
557         (insert_into_field_list): Remove.
558         (push_fields_onto_fieldstack): Properly merge fields.
559         (create_variable_info_for): Split and simplify.
560         (create_variable_info_for_1): New piece.
561         (intra_create_variable_infos): Properly make restrict constraints
562         from parameters.
563
564 2010-04-28  Richard Guenther  <rguenther@suse.de>
565
566         PR c++/43880
567         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
568
569 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
570             Jan Hubicka <hubicka@ucw.cz>
571
572         * doc/invoke.texi (-Wsuggest-attribute=const,
573         -Wsuggest-attribute=pure): Document.
574         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
575         (function_always_visible_to_compiler_p,
576         suggest_attribute, warn_function_pure, warn_function_const):
577         New functions.
578         (check_call): Improve debug info.
579         (analyze_function): Do not check availability.
580         (add_new_function): Check availability.
581         (propagate): Output warnings.
582         (skip_function_for_local_pure_const): New function.
583         (local_pure_const): Use it; output warnings.
584         * common.opt (Wsuggest-attribute=const,
585         Wsuggest-attribute=pure): New.
586
587 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
588
589         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
590         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
591         or DW_CFA_def_cfa_offset{,_sf}.
592
593 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
594
595         * tree.h: Fix truncated long macros.
596
597 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
598
599         * collect2.c (TARGET_64BIT): Redefine to target's default.
600         * tlink.c: Likewise.
601         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
602         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
603         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
604         for underscoring __USER_LABEL_PREFIX__.
605         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
606         (SUB_LINK_ENTRY32): New.
607         (SUB_LINK_ENTRY64): New.
608         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
609         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
610         (SUB_LINK_ENTRY64): New.
611         (SUB_LINK_ENTRY): New.
612         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
613         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
614         x64 target is choosen.
615         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
616         * configure: Regenerated.
617         * configure.ac (leading-mingw64-underscores): Option added.
618
619 2010-04-27  Jan Hubicka  <jh@suse.cz>
620
621         * doc/invoke.texi (-fipa-profile): Document.
622         * opts.c (decode_options): Enable ipa-profile at -O1.
623         * timevar.def (TV_IPA_PROFILE): Define.
624         * common.opt (fipa-profile): Add.
625         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
626         flag for clones.
627         (cgraph_propagate_frequency): Handle only local ones.
628         * tree-pass.h (pass_ipa_profile): Declare.
629         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
630         (pass_ipa_profile): Use TV_IPA_PROFILE.
631         * ipa.c (ipa_profile): New function.
632         (gate_ipa_profile): Likewise.
633         (pass_ipa_profile): New global variable.
634         * passes.c (pass_ipa_profile): New.
635
636 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
637
638         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
639
640 2010-04-27  Martin Jambor  <mjambor@suse.cz>
641
642         PR middle-end/43812
643         * ipa.c (dissolve_same_comdat_group_list): New function.
644         (function_and_variable_visibility): Call
645         dissolve_same_comdat_group_list when comdat group contains external or
646         newly local nodes.
647         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
648         lists are circular and that they contain only DECL_ONE_ONLY nodes.
649
650 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
651
652         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
653         (const_hash_1) <VECTOR_CST>: New case.
654         (compare_constant) <VECTOR_CST>: Likewise.
655         <ADDR_EXPR>: Deal with LABEL_REFs.
656         (copy_constant) <VECTOR_CST>: New case.
657
658 2010-04-27  Jan Hubicka  <jh@suse.cz>
659
660         * cgraph.c (cgraph_propagate_frequency): New function.
661         * cgraph.h (cgraph_propagate_frequency): Declare.
662         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
663         cgraph_propagate_frequency.
664
665 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
666
667         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
668
669 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
670
671         PR target/40657
672         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
673         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
674         here to determine which regs to push and how much stack to reserve.
675
676 2010-04-27  Jie Zhang  <jie@codesourcery.com>
677
678         * doc/gimple.texi (gimple_statement_with_ops): Remove
679         addresses_taken field.
680         (gimple_statement_with_memory_ops): Likewise.
681
682 2010-04-27  Jan Hubicka  <jh@suse.cz>
683
684         * tree-inline.c (eni_inlining_weights): Remove.
685         (estimate_num_insns): Special case more builtins.
686
687 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
688
689         PR c/32207
690         * c-typeck.c (build_binary_op): Move forward check for comparison
691         pointer with null pointer constant and adjust the diagnostic message.
692
693 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
694
695         PR lto/42776
696         * configure.ac (gcc_cv_as_section_has_align): Set if installed
697         binutils supports extended .section directive needed by LTO, or
698         warn if older binutils found.
699         (LTO_BINARY_READER): New AC_SUBST'd variable.
700         (LTO_USE_LIBELF): Likewise.
701         * gcc/config.gcc (lto_binary_reader): New target-specific configure
702         variable.
703         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
704         (LTO_USE_LIBELF): Likewise.
705         * configure: Regenerate.
706
707         * collect2.c (is_elf): Rename from this ...
708         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
709          object files in addition to ELF-formatted ones.
710         (scan_prog_file): Caller updated.  Also allow for LTO info marker
711         symbol to be prefixed or not by an extra underscore.
712
713         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
714         * config/i386/winnt.c: Also #include lto-streamer.h
715         (i386_pe_asm_named_section): Specify 1-byte section alignment for
716         LTO named sections.
717         (i386_pe_asm_output_aligned_decl_common): Add comment.
718         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
719
720 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
721
722         PR target/43889
723         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
724         Add missing earlyclobber for second alternative.
725
726 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
727
728         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
729         bits for artificial defs at the top of the block.
730         * fwprop.c (single_def_use_enter_block): Don't call it.
731
732 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
733
734         PR 43715
735         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
736         instead of "$gcc_cv_objdump -T".
737         Use "-undefined dynamic_lookup" on darwin.
738         * gcc/configure: Regenerate.
739
740 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
741
742         PR c/43893
743         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
744
745 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
746
747         * c-parser.c (struct c_token): Move location field up.
748         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
749         (struct c_declspecs): Convert typespec_word, storage_class, and
750         default_int_p into bitfields.
751         (struct c_declarator): Move loc field up.
752
753 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
754
755         * cfgloop.h (struct loop): Move can_be_parallel field up.
756         * ipa-prop.h (struct ip_node_params): Move bitfields up.
757         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
758         down.
759         (struct iv_cand): Convert pos field into a bitfield.
760         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
761         field up.
762         (struct _stmt_vec_info): Shuffle fields for better packing.
763
764 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
765
766         * varasm.c (IN_NAMED_SECTION): Remove guard.
767         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
768         (IN_NAMED_SECTION_P): ...this.
769         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
770         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
771
772 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
773
774         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
775         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
776         of shadowing it.  Fix comments.
777
778 2010-04-26  Jan Hubicka  <jh@suse.cz>
779
780         * cgraph.c (cgraph_create_node): Set node frequency to normal.
781         (cgraph_clone_node): Copy function frequency.
782         * cgraph.h (node_frequency): New enum
783         (struct cgraph_node): Add.
784         * final.c (rest_of_clean_state): Update.
785         * lto-cgraph.c (lto_output_node): Output node frequency.
786         (input_overwrite_node): Input node frequency.
787         * tre-ssa-loop-ivopts (computation_cost): Update.
788         * lto-streamer-out.c (output_function): Do not output function
789         frequency.
790         * predict.c (maybe_hot_frequency_p): Update and handle functions
791         executed once.
792         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
793         attribute lookup.
794         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
795         (compute_function_frequency): Set noreturn functions to be executed
796         once.
797         (choose_function_section): Update.
798         * lto-streamer-in.c (input_function): Do not input function frequency.
799         * function.c (allocate_struct_function): Do not initialize function
800         frequency.
801         * function.h (function_frequency): Remove.
802         (struct function): Remove function frequency.
803         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
804         (try_update): Update.
805         * tree-inline.c (initialize_cfun): Do not update function frequency.
806         * passes.c (pass_init_dump_file): Update.
807         * i386.c (ix86_compute_frame_layout): Update.
808         (ix86_pad_returns): Update.
809
810 2010-04-26  Jie Zhang  <jie@codesourcery.com>
811
812         PR tree-optimization/43833
813         * tree-vrp.c (range_int_cst_p): New.
814         (range_int_cst_singleton_p): New.
815         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
816         when both operands are constants.  Use range_int_cst_p in
817         BIT_IOR_EXPR case.
818
819 2010-04-26  Jan Hubicka  <jh@suse.cz>
820
821         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
822
823 2010-04-26  Richard Guenther  <rguenther@suse.de>
824
825         PR lto/43080
826         * gimple.c (gimple_decl_printable_name): Deal gracefully
827         with a NULL DECL_NAME.
828
829 2010-04-26  Richard Guenther  <rguenther@suse.de>
830
831         PR lto/42425
832         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
833         if emitting debug information and it is either a function
834         or a namespace decl.
835
836 2010-04-26  Ira Rosen  <irar@il.ibm.com>
837
838         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
839         determine if the statement is vectorizable, and a macro to access it.
840         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
841         Skip statements that can't be vectorized. If the analysis fails,
842         mark the statement as unvectorizable if vectorizing basic block.
843         (vect_compute_data_refs_alignment): Likewise.
844         (vect_verify_datarefs_alignment): Skip statements marked as
845         unvectorizable. Add print.
846         (vect_analyze_group_access): Skip statements that can't be
847         vectorized. If the analysis fails, mark the statement as
848         unvectorizable if vectorizing basic block.
849         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
850         * tree-vect-stmts.c (vectorizable_store): Fix the number of
851         generated stmts for SLP.
852         (new_stmt_vec_info): Initialize the new field.
853         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
854         statements marked as unvectorizable.
855
856 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
857
858         * c-common.c (flag_isoc1x): New.
859         (flag_isoc99): Update comment.
860         * c-common.h (flag_isoc1x): New.
861         (flag_isoc99): Update comment.
862         * c-cppbuiltin.c (builtin_define_float_constants): Also define
863         __<type>_DECIMAL_DIG__.
864         * c-opts.c (set_std_c1x): New.
865         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
866         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
867         * c.opt (-std=c1x, -std=gnu1x): New options.
868         * doc/cpp.texi: Mention -std=c1x.
869         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
870         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
871         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
872         * doc/standards.texi: Mention C1X.
873         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
874         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
875         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
876         Define for C1X.
877
878 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
879
880         * config/i386/gmon-sol2.c (_mcleanup): Change format string
881         placeholder from 0x%x to %#x.
882         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
883         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
884         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
885         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
886         * config/i386/i386.c (ix86_target_string): Ditto.
887         (output_pic_addr_const): Ditto.
888         (print_operand): Ditto.
889
890 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
891
892         * combine.c (find_split_point): Add third argument.  Use it
893         to find nested multiply-accumulate instructions.  Adjust calls.
894         (try_combine): Adjust call to find_split_point.
895
896 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
897
898         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
899
900 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
901
902         PR tree-optimization/41442
903         * fold-const.c (merge_truthop_with_opposite_arm): New function.
904         (fold_binary_loc): Call it.
905
906 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
907
908         * toplev.c (general_init): Set default for fdiagnostics-show-option.
909         * opts.c (common_handle_option): Allow disabling it.
910         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
911
912 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
913
914         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
915         between modes if both types are integral.
916
917 2010-04-23  Richard Guenther  <rguenther@suse.de>
918
919         PR tree-optimization/43572
920         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
921
922 2010-04-23  Richard Guenther  <rguenther@suse.de>
923
924         PR lto/43455
925         * tree-inline.c (tree_can_inline_p): Also check compatibility
926         of return types.
927
928 2010-04-23  Martin Jambor  <mjambor@suse.cz>
929
930         PR tree-optimization/43846
931         * tree-sra.c (struct access): New flag grp_assignment_read.
932         (build_accesses_from_assign): Set grp_assignment_read.
933         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
934         (enum mark_read_status): New type.
935         (analyze_access_subtree): Propagate grp_assignment_read, create
936         accesses also if both direct_read and root->grp_assignment_read.
937
938 2010-04-23  Martin Jambor  <mjambor@suse.cz>
939
940         PR middle-end/43835
941         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
942         function does not have type attributes.
943
944 2010-04-23  Richard Guenther  <rguenther@suse.de>
945
946         PR lto/42653
947         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
948         of FUNCTION_DECLs.
949
950 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
951
952         * sese.h (create_if_region_on_edge): Remove.
953
954         * sese.c (create_if_region_on_edge): Make static.
955
956         * tree-inline.c: Do not include ggc.h.
957
958         * expr.c: Do not include ggc.h.
959
960         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
961         dependencies.
962
963 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
964
965         PR target/43744
966         * config/sh/sh.c (find_barrier): Don't emit a constant pool
967         in the middle of insns for casesi_worker_2.
968
969 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
970
971         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
972
973 2010-04-22  Ira Rosen  <irar@il.ibm.com>
974
975         PR tree-optimization/43842
976         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
977         loop unrolling in update of exit phis. Fix comment.
978         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
979         least two reduction statements in the loop before starting SLP
980         analysis.
981
982 2010-04-22  Nick Clifton  <nickc@redhat.com>
983
984         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
985
986 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
987
988         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
989         to simplify a + ~a.
990
991 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
992
993         * tree-parloops.c (loop_parallel_p): New argument
994         parloop_obstack.  Pass it down.
995         (parallelize_loops): New variable parloop_obstack.  Initialize it,
996         pass it down, free it.
997
998         * tree-loop-linear.c (linear_transform_loops): Pass down
999         lambda_obstack.
1000
1001         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1002         of type struct obstack *.
1003
1004         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1005         scratch_obstack.  Initialize it, pass down, free it.
1006
1007         * lambda.h (lambda_loop_new): Remove.
1008         (lambda_matrix_new, lambda_matrix_inverse)
1009         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1010         argument of type struct obstack *.
1011
1012         * lambda-trans.c (lambda_trans_matrix_new): New argument
1013         lambda_obstack.  Pass it down, use obstack allocation for ret.
1014         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1015         it down.
1016
1017         * lambda-mat.c (lambda_matrix_get_column)
1018         (lambda_matrix_project_to_null): Remove.
1019         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1020         allocation for mat.
1021         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1022         lambda_obstack.
1023
1024         * lambda-code.c (lambda_loop_new): New function.
1025         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1026         (lambda_compute_auxillary_space, lambda_compute_target_space)
1027         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1028         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1029         (build_access_matrix): New argument lambda_obstack.  Use obstack
1030         allocation for am.
1031         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1032         argument lambda_obstack.  Pass it down.
1033
1034 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1035
1036         * optabs.h (expand_widening_mult): Declare.
1037
1038 2010-04-22  Richard Guenther  <rguenther@suse.de>
1039
1040         PR tree-optimization/43845
1041         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1042         lookup the CALL_EXPR function and arguments.
1043
1044 2010-04-22  Nick Clifton  <nickc@redhat.com>
1045
1046         * config/stormy16/stormy16.c
1047         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1048         * config/stormy16/stormy16.h: Tidy up formatting.
1049         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1050         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1051         (ineqbranchsi): Delete pattern.
1052         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1053         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1054         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1055         stormy16-lib2-ucmpsi2.c.
1056
1057 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1058
1059         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1060         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1061         extra set merge_set_noclobber, and use it to relax the final test
1062         slightly.
1063         * df.h (df_simulate_find_noclobber_defs): Declare.
1064         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1065         conditional defs.
1066         (df_simulate_find_noclobber_defs): New function.
1067
1068 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1069
1070         * config/i386/i386.md: Use {} around multi-line preparation statements.
1071
1072 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1073
1074         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1075         (process_init_element): New argument of type struct obstack *.
1076
1077         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1078         (set_init_index, set_init_label, set_nonincremental_init)
1079         (set_nonincremental_init_from_string, find_init_member)
1080         (output_init_element, output_pending_init_elements)
1081         (process_init_element): New argument braced_init_obstack.  Pass it
1082         down.
1083         (push_range_stack, add_pending_init): New argument
1084         braced_init_obstack.  Use obstack allocation.
1085
1086         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1087         braced_init_obstack.  Pass it down.
1088         (c_parser_braced_init): New variables ret, braced_init_obstack.
1089         Initialize obstack, pass it down and finally free it.
1090
1091 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1092
1093         PR middle-end/29274
1094         * tree-pass.h (pass_optimize_widening_mul): Declare.
1095         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1096         gate_optimize_widening_mul): New static functions.
1097         (pass_optimize_widening_mul): New.
1098         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1099         <case MULT_EXPR>: Remove support for widening multiplies.
1100         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1101         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1102         simplify_gen_unary rather than directly building extensions.
1103         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1104         WIDEN_MULT_EXPR.
1105         * expmed.c (expand_widening_mult): New function.
1106         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1107
1108 2010-04-21  Jan Hubicka  <jh@suse.cz>
1109
1110         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1111         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1112         * lto-wpa-fixup.c: Remove.
1113         * Makefile.in (lto-wpa-fixup.o): Remove.
1114         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1115         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1116         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1117
1118 2010-04-21  Jan Hubicka  <jh@suse.cz>
1119
1120         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1121         add write_optimization_summary, read_optimization_summary.
1122         (ipa_write_summaries_of_cgraph_node_set): Remove.
1123         (ipa_write_optimization_summaries): Declare.
1124         (ipa_read_optimization_summaries): Declare.
1125         * ipa-cp.c (pass_ipa_cp): Update.
1126         * ipa-reference.c (pass_ipa_reference): Update.
1127         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1128         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1129         Update.
1130         * ipa-inline.c (pass_ipa_inline): Update.
1131         * ipa.c (pass_ipa_whole_program): Update.
1132         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1133         * passes.c (ipa_write_summaries_1): Do not test wpa.
1134         (ipa_write_optimization_summaries_1): New.
1135         (ipa_write_optimization_summaries): New.
1136         (ipa_read_summaries): Do not test ltrans.
1137         (ipa_read_optimization_summaries_1): New.
1138         (ipa_read_optimization_summaries): New.
1139
1140 2010-04-21  Jan Hubicka  <jh@suse.cz>
1141
1142         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1143         for boundary nodes.
1144         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1145
1146 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1147
1148         PR debug/40040
1149         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1150         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1151
1152 2010-04-21  Jan Hubicka  <jh@suse.cz>
1153
1154         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1155
1156 2010-04-21  Jan Hubicka  <jh@suse.cz>
1157
1158         * varpool.c (decide_is_variable_needed): Variable is always needed
1159         during ltrans.
1160
1161 2010-04-21  Jan Hubicka  <jh@suse.cz>
1162
1163         * opts.c (decode_options): Enable pure-const pass for whopr.
1164
1165 2010-04-21  Jan Hubicka  <jh@suse.cz>
1166
1167         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1168         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1169         at WPA dumping.
1170         (cgraph_decide_inlining): Do not expect callee to be removed in all
1171         cases.
1172
1173 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1174
1175         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1176
1177 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1178
1179         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1180         amdfam10_decode attributes.
1181
1182 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1183
1184         PR middle-end/43570
1185         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1186         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1187         (lower_copyprivate_clauses): Use private var in outer
1188         context instead of original var.  Make sure the types
1189         are correct for VLAs.
1190
1191 2010-04-21  Richard Guenther  <rguenther@suse.de>
1192
1193         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1194         to non-pointer objects.
1195
1196 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1197
1198         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1199         last chain entry if it starts with the still current label.
1200         (add_location_or_const_value_attribute): Check that
1201         loc_list->first->next is NULL instead of comparing ->first with ->last.
1202         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1203         to add_var_loc_to_decl.
1204
1205         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1206         >= 4 add also address size and segment size fields into CIE header.
1207
1208         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1209         long as address size is the same as sizeof (void *) and
1210         segment size is 0.
1211         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1212         address size or segment size is unexpected, return DW_EH_PE_omit.
1213         (classify_object_over_fdes): If get_cie_encoding returned
1214         DW_EH_PE_omit, return -1.
1215         (init_object): If classify_object_over_fdes returned -1,
1216         pretend there were no FDEs at all.
1217
1218 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1219
1220         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1221         bswap{si,di}2 using SWI48 mode iterator.
1222         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1223         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1224         set modrm attribute of bswap insn to 0 and remove length attribute.
1225         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1226         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1227         set mode attribute to <MODE> and remove length attribute.
1228
1229 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1230
1231         PR rtl-optimization/43520
1232         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1233         zero available registers.
1234
1235 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1236
1237         * builtins.c (fold_builtin_cproj): Fold more cases.
1238
1239 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1240
1241         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1242         (fold_builtin_1): Fold builtin cproj.
1243         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1244         Use ATTR_CONST_NOTHROW_LIST.
1245
1246 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1249         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1250         ffsi2_no_cmove for !TARGET_CMOVE.
1251         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1252         (ffssi2): Remove expander.
1253         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1254         mode iterator.
1255         (ctz<mode>2): Ditto from ctz{si,di}2.
1256         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1257         mode iterator.
1258         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1259         mode iterator.
1260
1261 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1262
1263         * dwarf2out.c (AT_linkage_name): Define.
1264         (clone_as_declaration): Handle DW_AT_linkage_name.
1265         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1266         of DW_AT_MIPS_linkage_name.
1267         (move_linkage_attr): Likewise.
1268         (dwarf2out_finish): Likewise.
1269
1270 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1271
1272         PR middle-end/41952
1273         * fold-const.c (fold_comparison): New folding rule.
1274
1275 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1276
1277         * double-int.h (double_int_setbit): Declare.
1278         * double-int.c (double_int_setbit): New function.
1279         * rtl.h (immed_double_int_const): Declare.
1280         * emit-rtl.c (immed_double_int_const): New function.
1281         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1282         and immed_double_int_const functions.
1283         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1284         expand_copysign_bit):  (Ditto.).
1285         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1286         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1287         * dojump.c (prefer_and_bit_test): (Ditto.).
1288         * expr.c (convert_modes, reduce_to_bit_field_precision,
1289         const_vector_from_tree): (Ditto.).
1290         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1291
1292 2010-04-20  Jan Hubicka  <jh@suse.cz>
1293
1294         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1295         (dump_cgraph_node): Dump new flags.
1296         * cgraph.h (struct cgraph_node): Add flags
1297         reachable_from_other_partition and in_other_partition.
1298         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1299         other partition can not be removed.
1300         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1301         the other partition must be output; silence sanity checking on
1302         leaking functions bodies from other paritition.
1303         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1304         (lto_output_node): Output new flags; do not sanity check that inline
1305         clones are output; drop lto_forced_extern_inline_p code; do not mock
1306         visibility flags at partition boundaries.
1307         (add_node_to): New function.
1308         (output_cgraph): Use it to sort functions so masters appear before
1309         clones.
1310         (input_overwrite_node): Input new flags.
1311         * passes.c (ipa_write_summaries): Do not call
1312         lto_new_extern_inline_states.
1313         * lto-section-out.c (forced_extern_inline,
1314         lto_new_extern_inline_states lto_delete_extern_inline_states,
1315         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1316         * lto-streamer.h (lto_new_extern_inline_states,
1317         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1318         lto_forced_extern_inline_p): Kill.
1319
1320 2010-04-20  Richard Guenther  <rguenther@suse.de>
1321
1322         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1323         from vars that can have pointers.
1324         (process_constraint): Dump useless constraints.
1325
1326 2010-04-20  Richard Guenther  <rguenther@suse.de>
1327
1328         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1329         (dump_sa_points_to_info): Remove asserts.
1330         (init_base_vars): nothing_id isn't an escape point nor does it
1331         have pointers.
1332
1333 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1334
1335         * tree.h (TYPE_REF_IS_RVALUE): Define.
1336         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1337         should_move_die_to_comdat, prune_unused_types_walk): Handle
1338         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1339         (modified_type_die, gen_reference_type_die): Emit
1340         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1341         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1342
1343 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1344
1345         PR target/43635
1346         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1347         calls for -fpic -m31 if they have been sibcall optimized.
1348
1349 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1350
1351         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1352         ar.lc fixed and call-used.
1353
1354         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1355
1356 2010-04-19  Jan Hubicka  <jh@suse.cz>
1357
1358         * opts.c (decode_options): Disable whpr incompatible passes.
1359         * lto/lto.c (lto_1_to_1_map): Skip clones.
1360         (read_cgraph_and_symbols): Do not mark everything as needed.
1361         (do_whole_program_analysis): Do map only after optimizing;
1362         set proper cgraph_state; use passmanager.
1363
1364 2010-04-19  DJ Delorie  <dj@redhat.com>
1365
1366         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1367         POINTER_PLUS_EXPR and fix them.
1368
1369 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1370
1371         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1372         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1373         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1374         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1375         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1376         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1377         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1378         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1379         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1380         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1381         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1382
1383 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1386         (check_cond_move_block): Likewise.
1387         (cond_move_process_if_block): Likewise.
1388         (noce_find_if_block): Improve formatting.
1389         (find_if_header): Pass 0 to memset and tweak conditions.
1390         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1391
1392 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1393
1394         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1395         for -gdwarf-4.
1396
1397         PR middle-end/43337
1398         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1399         with non-local decl doesn't need chain.
1400
1401 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1402
1403         * ira-color.c (allocno_reload_assign): Avoid accumulating
1404         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1405
1406 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1407
1408         * gimple.h (create_tmp_reg): Declare.
1409         * gimplify.c (create_tmp_reg): New function.
1410         (gimplify_return_expr): Use create_tmp_reg.
1411         (gimplify_omp_atomic): Likewise.
1412         (gimple_regimplify_operands): Likewise.
1413         * tree-dfa.c (make_rename_temp): Likewise.
1414         * tree-predcom.c (predcom_tmp_var): Likewise.
1415         (reassociate_to_the_same_stmt): Likewise.
1416         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1417         (get_replaced_param_substitute): Likewise.
1418         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1419         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1420         * tree-ssa-pre.c (get_representative_for): Likewise.
1421         (create_expression_by_pieces): Likewise.
1422         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1423         (create_tailcall_accumulator): Likewise.
1424
1425 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1426
1427         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1428         new_stmt.
1429         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1430
1431 2010-04-19  Richard Guenther  <rguenther@suse.de>
1432
1433         PR tree-optimization/43796
1434         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1435         from SCEV in the lattice.
1436         (vrp_visit_phi_node): Dump change.
1437
1438 2010-04-19  Richard Guenther  <rguenther@suse.de>
1439
1440         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1441         * configure: Re-generated.
1442
1443 2010-04-19  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/43783
1446         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1447         constant ARRAY_REF operands two and three if possible.
1448
1449 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1450
1451         PR target/43766
1452         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1453
1454 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1455
1456         PR target/43662
1457         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1458
1459 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1460
1461         PR tree-optimization/37027
1462         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1463         and macro to access it.
1464         (vectorizable_reduction): Add argument.
1465         (vect_get_slp_defs): Likewise.
1466         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1467         statements for possible use in SLP.
1468         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1469         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1470         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1471         add new argument.
1472         (vectorizable_reduction): Likewise.
1473         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1474         vect_get_slp_defs.
1475         (vectorizable_type_demotion, vectorizable_type_promotion,
1476         vectorizable_store): Likewise.
1477         (vect_analyze_stmt): Update call to vectorizable_reduction.
1478         (vect_transform_stmt): Likewise.
1479         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1480         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1481         from different interleaving chains in same node.
1482         (vect_slp_rearrange_stmts): New function.
1483         (vect_supported_load_permutation_p): Allow load permutations for
1484         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1485         inside SLP nodes if necessary.
1486         (vect_analyze_slp_instance): Handle reductions.
1487         (vect_analyze_slp): Try to build SLP instances originating from groups
1488         of reductions.
1489         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1490         (vect_get_constant_vectors): Create initial vectors for reductions
1491         according to reduction code. Add new argument.
1492         (vect_get_slp_defs): Add new argument, pass it to
1493         vect_get_constant_vectors.
1494         (vect_schedule_slp_instance): Remove SLP tree root statements.
1495
1496 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1497
1498         * tree.h (ENUM_IS_SCOPED): Define.
1499         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1500         for ENUM_IS_SCOPED enums.
1501
1502 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1503
1504         * fold-const.c (fold_comparison): Use ssizetype.
1505         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1506         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1507         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1508         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1509
1510         * tree.h (initialize_sizetypes): Remove parameter.
1511         (build_common_tree_nodes): Remove second parameter.
1512         * stor-layout.c (initialize_sizetypes): Remove parameter.
1513         Always create an unsigned type.
1514         (set_sizetype): Assert that the passed type is unsigned and simplify.
1515         * tree.c (build_common_tree_nodes): Remove second parameter.
1516         Adjust call to initialize_sizetypes.
1517         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1518         build_common_tree_nodes.
1519
1520 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1521
1522         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1523
1524 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1525
1526         PR tree-optimization/43771
1527         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1528         load permutation doesn't have gaps.
1529
1530 2010-04-18  Jan Hubicka  <jh@suse.cz>
1531
1532         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1533         (sse_prologue_save_insn expander): Use new pattern.
1534         (sse_prologue_save_insn1): New pattern and splitter.
1535         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1536         blocks.
1537         * i386.c (setup_incoming_varargs_64): Do not compute jump
1538         destination here.
1539         (ix86_gimplify_va_arg): Update alignment needed.
1540         (ix86_local_alignment): Do not align all local arrays to 128bit.
1541
1542 2010-04-17  Jan Hubicka  <jh@suse.cz>
1543
1544         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1545
1546 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1547
1548         * arm.md (negdi2): Remove redundant code to force values into a
1549         register.
1550
1551 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1552
1553         * arm/bpabi.S: Add EABI alignment attributes to objects.
1554         * arm/bpabi-v6m.S: Likewise.
1555         * arm/crti.asm: Likewise.
1556         * arm/crtn.asm: Likewise.
1557         * arm/lib1funcs.asm: Likewise.
1558         * arm/libunwind.S: Likewise.
1559
1560 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1561
1562         * arm-protos.h (tune_params): New structure.
1563         * arm.c (current_tune): New variable.
1564         (arm_constant_limit): Delete.
1565         (struct processors): Add pointer to the tune parameters.
1566         (arm_slowmul_tune): New tuning option.
1567         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1568         (all_cores): Adjust to pick up the tuning model.
1569         (arm_constant_limit): New function.
1570         (arm_override_options): Select the appropriate tuning model.  Delete
1571         initialization of arm_const_limit.
1572         (arm_split_constant): Use the new constant-limit model.
1573         (arm_rtx_costs): Pick up the current tuning model.
1574         * arm.md (is_strongarm, is_xscale): Delete.
1575         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1576         for Xscale variant architectures.
1577         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1578
1579 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1580
1581         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1582         can_shift.
1583         (arm_rtx_costs_1): Remove unused variable extra_cost.
1584         (arm_unwind_emit_set): Use variable offset.
1585         (thumb1_output_casesi): Remove unused variable flags.
1586
1587 2010-04-16  Jeff Law  <law@redhat.com>
1588
1589         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1590         needing assignment rather than doing a two-phase assignment.  Remove
1591         unused variable 'm'.
1592
1593 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1594
1595         PR bootstrap/43767
1596         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1597
1598 2010-04-16  Doug Kwan  <dougkwan@google.com>
1599
1600         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1601         (next_operand_entry_id): New static variable.
1602         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1603         (add_to_ops_vec): Assigned unique ID to operand entry.
1604         (struct oecount_s): New field ID.
1605         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1606         (undistribute_ops_list): Assign unique IDs to oecounts.
1607         (init_reassoc): reset next_operand_entry_id.
1608
1609 2010-04-16  Doug Kwan  <dougkwan@google.com>
1610
1611         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1612         missing left parenthesis.
1613
1614 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1615
1616         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1617         *btdi_rex64 using SWI48 mode iterator.
1618         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1619         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1620         *jcc_btdi_mask_rex64.
1621
1622 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1623
1624         * double-int.h (tree_to_double_int): Convert to macro.
1625         * double-int.c (tree_to_double_int): Remove.
1626
1627 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1628
1629         PR debug/43762
1630         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1631         with want_address 2 and in case a single element list might be
1632         possible, call it again with want_address 0.
1633
1634 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1635
1636         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1637         case 'W' print operands for HI mode.
1638         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1639         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1640         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1641         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1642
1643         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1644
1645         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1646         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1647         #xx:3 and #xx:4 mode.
1648
1649         * config/h8300/h8300.md (inverted load with HImode dest): Add
1650         support for H8300SX.
1651
1652         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1653         satisfy 'U' constraint.
1654
1655 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1656
1657         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1658         * configure: Regenerate.
1659         * config.in: Regenerate.
1660         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1661         works.
1662
1663 2010-04-16  Richard Guenther  <rguenther@suse.de>
1664
1665         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1666         (struct tree_decl_common): ... here.
1667         (DECL_PT_UID): Adjust.
1668         (SET_DECL_PT_UID): Likewise.
1669         (DECL_PT_UID_SET_P): Likewise.
1670
1671 2010-04-16  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/43572
1674         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1675         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1676         * tree-flow.h (is_call_clobbered): Remove.
1677         * tree-flow-inline.h (is_call_clobbered): Likewise.
1678         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1679         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1680         (execute_return_slot_opt): Adjust.
1681         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1682         check for call clobbered vars here.
1683         (find_tail_calls): Move tailcall verification to the
1684         proper place.
1685
1686 2010-04-16  Diego Novillo  <dnovillo@google.com>
1687
1688         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1689
1690 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1691
1692         PR target/40603
1693         * config/arm/arm.md (cbranchqi4): New pattern.
1694         * config/arm/predicates.md (const0_operand,
1695         cbranchqi4_comparison_operator): New predicates.
1696
1697 2010-04-16  Richard Guenther  <rguenther@suse.de>
1698
1699         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1700         (dump_gimple_stmt): Likewise.
1701
1702 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1703
1704         * recog.h (struct recog_data): New field is_operator.
1705         (struct insn_operand_data): New field is_operator.
1706         * recog.c (extract_insn): Set recog_data.is_operator.
1707         * genoutput.c (output_operand_data): Emit code to set the
1708         is_operator field.
1709         * reload.c (find_reloads): Use it rather than testing for an
1710         empty constraint string.
1711
1712         PR target/41514
1713         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1714         If the previous insn is a cbranchsi4_insn with the same arguments,
1715         omit the compare instruction.
1716
1717         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1718         register, inputs must be low registers and we need a low register
1719         scratch.  Handle alternative 2 like alternative 3.
1720
1721 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1722
1723         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1724         don't call get_addr on both.  If one expression is a VALUE and
1725         the other a REG, check VALUE's locs if the REG isn't among them.
1726
1727 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1728
1729         * config/sh/sh.h (sh_frame_pointer_required): New function.
1730         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1731         (flag_omit_frame_pointer) Set.
1732         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1733         (rounded_frame_size): Adjust size with outgoing_args_size.
1734         (sh_set_return_address): Must return from stack pointer.
1735         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1736         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1737         (ACCUMULATE_OUTGOING_ARGS): Define.
1738         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1739         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1740
1741 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1742
1743         PR target/43471
1744         * config/sh/sh.c (sh_legitimize_reload_address): Use
1745         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1746         Remove a unneeded check for offset_base.
1747
1748 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1749
1750         * configure: Regenerated.
1751
1752 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1753
1754         * config/s390/s390.c (s390_call_save_register_used): Switch back
1755         to HARD_REGNO_NREGS.
1756
1757 2010-04-15  Richard Guenther  <rguenther@suse.de>
1758
1759         * alias.c (alias_set_subset_of): Handle alias-set zero
1760         child properly.
1761
1762 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1763             Julian Brown  <julian@codesourcery.com>
1764
1765         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1766         alternatives according to use of high and low regs.
1767         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1768         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1769         optimizing for size on Thumb-2.
1770
1771 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1772
1773         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1774
1775 2010-04-15  Richard Guenther  <rguenther@suse.de>
1776
1777         * tree-ssa-structalias.c (struct variable_info): Add
1778         is_fn_info flag.
1779         (new_var_info): Initialize it.
1780         (dump_constraints): Support printing last added constraints.
1781         (debug_constraints): Adjust.
1782         (dump_constraint_graph): Likewise.
1783         (make_heapvar_for): Check for NULL cfun.
1784         (get_function_part_constraint): New function.
1785         (get_fi_for_callee): Likewise.
1786         (find_func_aliases): Properly implement IPA PTA constraints.
1787         (process_ipa_clobber): New function.
1788         (find_func_clobbers): Likewise.
1789         (insert_into_field_list_sorted): Remove.
1790         (create_function_info_for): Properly allocate vars for IPA mode.
1791         Do not use insert_into_field_list_sorted.
1792         (create_variable_info_for): Properly generate constraints for
1793         global vars in IPA mode.
1794         (dump_solution_for_var): Always dump the solution.
1795         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1796         (find_what_var_points_to): Adjust.
1797         (pt_solution_set): Change.
1798         (pt_solution_ior_into): New function.
1799         (pt_solution_empty_p): Export.
1800         (pt_solution_includes_global): Adjust.
1801         (pt_solution_includes_1): Likewise.
1802         (pt_solutions_intersect_1): Likewise.
1803         (dump_sa_points_to_info): Check some invariants.
1804         (solve_constraints): Move constraint dumping ...
1805         (compute_points_to_sets): ... here.
1806         (ipa_pta_execute): ... and here.
1807         (compute_may_aliases): Do not re-compute points-to info
1808         locally if IPA info is available.
1809         (ipa_escaped_pt): New global var.
1810         (ipa_pta_execute): Properly implement IPA PTA.
1811         * tree-into-ssa.c (dump_decl_set): Support dumping
1812         decls not in referenced-vars.
1813         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1814         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1815         (dump_points_to_solution): Likewise.
1816         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1817         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1818         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1819         (copy_decl_to_var): Copy DECL_PT_UID.
1820         (copy_result_decl_to_var): Likewise.
1821         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1822         (copy_node_stat): Copy it.
1823         * tree.h (DECL_PT_UID): New macro.
1824         (SET_DECL_PT_UID): Likewise.
1825         (DECL_PT_UID_SET_P): Likewise.
1826         (struct tree_decl_minimal): Add pt_uid member.
1827         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1828         (pt_solution_empty_p): Declare.
1829         (pt_solution_set): Adjust.
1830         (ipa_escaped_pt): Declare.
1831         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1832         * gimple-pretty-print.c (pp_points_to_solution): New function.
1833         (dump_gimple_call): Dump call clobber/use information.
1834         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1835         * tree-pass.h (TDF_ALIAS): New dump option.
1836         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1837         * doc/invoke.texi (-fipa-pta): Update documentation.
1838
1839 2010-04-15  Richard Guenther  <rguenther@suse.de>
1840
1841         * Makefile.in (OBJS-common): Add gimple-fold.o.
1842         (gimple-fold.o): New rule.
1843         * tree.h (maybe_fold_offset_to_reference,
1844         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1845         prototypes ...
1846         * gimple.h: ... here.
1847         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1848         may_propagate_address_into_dereference): Move prototypes ...
1849         * gimple.h: ... here.
1850         * tree-ssa-ccp.c (get_symbol_constant_value,
1851         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1852         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1853         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1854         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1855         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1856         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1857         gimplify_and_update_call_from_tree): Move ...
1858         * gimple-fold.c: ... here.  New file.
1859         (ccp_fold_builtin): Rename to ...
1860         (gimple_fold_builtin): ... this.
1861         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1862
1863 2010-04-15  Richard Guenther  <rguenther@suse.de>
1864
1865         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1866         fit_double_type, force_fit_type_double, add_double_with_sign,
1867         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1868         lrotate_double, rrotate_double, div_and_round_double): Move ...
1869         * double-int.c: ... here.
1870         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1871         add_double, neg_double, mul_double_with_sign, mul_double,
1872         lshift_double, rshift_double, lrotate_double, rrotate_double,
1873         div_and_round_double): Move prototypes ...
1874         * double-int.h: ... here.
1875
1876 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1877
1878         PR target/43742
1879         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1880         matching constraints to ensure inputs match the output.
1881
1882 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1883
1884         PR target/43742
1885         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1886         in an input-only operand.
1887
1888 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1889
1890         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1891         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1892         (double_int_negative_p): Convert to static inline function.
1893         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1894         (double_int_negative_p): Remove.
1895         * tree.h (lshift_double, rshift_double):
1896         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1897         * fold-const.c (fold_convert_const_int_from_real,
1898         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1899         (lshift_double): Change type of arith argument to bool.
1900         (rshift_double): Change type of arith argument to bool. Correct
1901         comment.
1902         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1903
1904 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1905
1906         PR target/21803
1907         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1908         at the start and end of the then/else blocks, and omit them from the
1909         conversion.
1910         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1911         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1912         (flow_find_head_matching_sequence): New function.
1913         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1914         * basic-block.h (flow_find_cross_jump,
1915         flow_find_head_matching_sequence): Declare functions.
1916
1917 2010-04-14  Jason Merrill  <jason@redhat.com>
1918
1919         PR c++/36625
1920         * c-common.c (attribute_takes_identifier_p): New fn.
1921         * c-common.h: Declare it.
1922
1923 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1924
1925         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1926         splitter condition.
1927         (*udivmod<mode>4): Ditto.
1928
1929 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1930
1931         * config/i386/i386.md (maxmin_int): Rename code attribute from
1932         maxminiprefix and update all users.
1933         (maxmin_float): Ditto from maxminfprefix.
1934         (logic): Ditto from logicprefix.
1935         (absneg_mnemonic): Ditto from absnegprefix.
1936         * config/i386/mmx.md: Update all users of maxminiprefix,
1937         maxminfprefix and logicprefix for rename.
1938         * config/i386/sse.md: Ditto.
1939         * config/i386/sync.md (sync_<code><mode>): Update for
1940         logicprefix rename.
1941
1942 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1943
1944         PR 42966
1945         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1946         warnings converted to errors.
1947
1948 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1949
1950         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1951         used insn_type variable.
1952         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1953         to avoid set-but-not-used warning.
1954
1955 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1956
1957         * df-core.c (df_ref_debug): Change format string placeholder
1958         from 0x%x to %#x.
1959         * dwarf2asm.c (dw2_asm_output_data_raw,
1960         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1961         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1962         * dwarf2out.c (output_cfi, output_cfi_directive,
1963         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1964         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1965         Ditto.
1966         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1967         * print-rtl.c (print_rtx): Ditto.
1968
1969 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1970
1971         PR middle-end/42694
1972         * builtins.c (expand_builtin_pow_root): New function to expand pow
1973         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1974         series of sqrt and cbrt calls under -ffast-math.
1975         (expand_builtin_pow): Call it.
1976
1977 2010-04-14  Michael Matz  <matz@suse.de>
1978
1979         PR tree-optimization/42963
1980         * tree-cfg.c (touched_switch_bbs): New static variable.
1981         (group_case_labels_stmt): New function broken out from ...
1982         (group_case_labels): ... here, use the above.
1983         (start_recording_case_labels): Allocate touched_switch_bbs.
1984         (end_recording_case_labels): Deallocate it, call
1985         group_case_labels_stmt.
1986         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1987
1988 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1989
1990         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1991         from insn template.
1992
1993 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1994
1995         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1996
1997 2010-04-13  Jan Hubicka  <jh@suse.cz>
1998
1999         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2000         of optimized out static functions.
2001         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2002         cost computation.  Also sanity check for overflows.
2003         (update_caller_keys): Update cgraph_edge_badness call; properly
2004         update fibheap and sanity check that it is up to date.
2005         (add_new_edges_to_heap): Update cgraph_edge_badness.
2006         (cgraph_decide_inlining_of_small_function): Likewise;
2007         add sanity checking that badness in heap is up to date;
2008         improve dumping of reason; Update badness of calls to the
2009         offline copy of function currently inlined; dump badness
2010         of functions not inlined because of unit growth limits.
2011
2012 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2013
2014         PR middle-end/32628
2015         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2016         because of sign-extension change when converting to sizetype here...
2017         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2018
2019         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2020         the folding to constants.  Remove redundant final conversion.
2021         (fold_binary) <associate>: Do not associate if the re-association of
2022         constants alone overflows.
2023         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2024         to the end of the list.
2025         (multiple_of_p) <COND_EXPR>: New case.
2026
2027 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2028
2029         * opt-functions.awk (opt_sanitized_name): New.
2030         (opt_enum): New.
2031         * optc-gen.awk: Use it
2032         * opth-gen.awk: Use it.
2033
2034 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2035
2036         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2037         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2038         children.  Call replace_uses_with_default_def_ssa_name to handle
2039         SSA_NAES on lhs.
2040
2041 2010-04-13  Michael Matz  <matz@suse.de>
2042
2043         PR middle-end/43730
2044         * builtins.c (expand_builtin_interclass_mathfn): Also create
2045         a register if the predicate doesn't match.
2046
2047 2010-04-13  Diego Novillo  <dnovillo@google.com>
2048
2049         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2050         * c-pch.c: Include timevar.h.
2051         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2052         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2053         * ggc-common.c: Include timevar.h.
2054         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2055         * timevar.def (TV_PCH_SAVE): Define.
2056         (TV_PCH_CPP_SAVE): Define.
2057         (TV_PCH_PTR_REALLOC): Define.
2058         (TV_PCH_PTR_SORT): Define.
2059         (TV_PCH_RESTORE): Define.
2060         (TV_PCH_CPP_RESTORE): Define.
2061
2062 2010-04-13  Michael Matz  <matz@suse.de>
2063
2064         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2065         into MINUS_EXPRs.
2066         (can_reassociate_p): New function.
2067         (break_up_subtract_bb, reassociate_bb): Use it.
2068
2069 2010-04-13  Richard Guenther  <rguenther@suse.de>
2070
2071         PR bootstrap/43737
2072         * builtins.c (c_readstr): Fix assert.
2073
2074 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2075
2076         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2077         when generating cltd insn.
2078
2079         (*ashl<mode>3_1): Remove special handling for register operand 2.
2080         (*ashlsi3_1_zext): Ditto.
2081         (*ashlhi3_1): Ditto.
2082         (*ashlhi3_1_lea): Ditto.
2083         (*ashlqi3_1): Ditto.
2084         (*ashlqi3_1_lea): Ditto.
2085         (*<shiftrt_insn><mode>3_1): Ditto.
2086         (*<shiftrt_insn>si3_1_zext): Ditto.
2087         (*<shiftrt_insn>qi3_1_slp): Ditto.
2088         (*<rotate_insn><mode>3_1): Ditto.
2089         (*<rotate_insn>si3_1_zext): Ditto.
2090         (*<rotate_insn>qi3_1_slp): Ditto.
2091
2092 2010-04-13  Richard Guenther  <rguenther@suse.de>
2093
2094         * tree-ssa-structalias.c (callused_id): Remove.
2095         (call_stmt_vars): New.
2096         (get_call_vi): Likewise.
2097         (lookup_call_use_vi): Likewise.
2098         (lookup_call_clobber_vi): Likewise.
2099         (get_call_use_vi): Likewise.
2100         (get_call_clobber_vi): Likewise.
2101         (make_transitive_closure_constraints): Likewise.
2102         (handle_const_call): Adjust to do per-call call-used handling.
2103         (handle_pure_call): Likewise.
2104         (find_what_var_points_to): Remove general callused handling.
2105         (init_base_vars): Likewise.
2106         (init_alias_vars): Initialize call_stmt_vars.
2107         (compute_points_to_sets): Process call-used and call-clobbered
2108         vars for call statements.
2109         (delete_points_to_sets): Free call_stmt_vars.
2110
2111 2010-04-13  Richard Guenther  <rguenther@suse.de>
2112
2113         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2114         Only add RW dependence for dependence distance zero.
2115         Adjust maximal vectorization factor according to dependences.
2116         Move alignment handling ...
2117         (vect_find_same_alignment_drs): ... here.  New function.
2118         (vect_analyze_data_ref_dependences): Adjust.
2119         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2120         (vect_analyze_data_refs): Adjust minimal vectorization factor
2121         according to data references.
2122         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2123         dependences before determining the vectorization factor.
2124         Analyze alignment after determining the vectorization factor.
2125         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2126         dependences before alignment.
2127         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2128         Adjust prototype.
2129         (vect_analyze_data_refs): Likewise.
2130         (MAX_VECTORIZATION_FACTOR): New define.
2131
2132 2010-04-13  Duncan Sands  <baldrick@free.fr>
2133
2134         * except.h (lang_eh_type_covers): Remove.
2135         * except.c (lang_eh_type_covers): Likewise.
2136
2137 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2138             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2139
2140         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2141         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2142         UNITS_PER_LONG where it is ABI relevant.
2143         (s390_return_addr_rtx): Likewise.
2144         (s390_back_chain_rtx): Likewise.
2145         (s390_frame_area): Likewise.
2146         (s390_frame_info): Likewise.
2147         (s390_initial_elimination_offset): Likewise.
2148         (save_gprs): Likewise.
2149         (s390_emit_prologue): Likewise.
2150         (s390_emit_epilogue): Likewise.
2151         (s390_function_arg_advance): Likewise.
2152         (s390_function_arg): Likewise.
2153         (s390_va_start): Likewise.
2154         (s390_gimplify_va_arg): Likewise.
2155         (s390_function_profiler): Likewise.
2156         (s390_optimize_prologue): Likewise.
2157         (s390_rtx_costs): Likewise.
2158         (s390_secondary_reload): Likewise.
2159         (s390_promote_function_mode): Likewise.
2160         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2161         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2162         registers available.
2163         (s390_unwind_word_mode): New function.
2164         (s390_function_value): Split 64 bit values into register pair if
2165         used as return value.
2166         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2167         function call parameters.  Handle parallels.
2168         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2169         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2170         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2171         (s390_expand_setmem): Remove unused variable src_addr.
2172         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2173         deal with 64 bit registers.
2174         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2175         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2176         (UNITS_PER_LONG): New macro.
2177         * libjava/include/s390-signal.h: Define extended ucontext
2178         structure containing the upper halfs of the 64 bit registers.
2179
2180 2010-04-13  Simon Baldwin  <simonb@google.com>
2181
2182         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2183
2184 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2185
2186         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2187         rvalue on the RHS if the LHS is of a non-renamable type.
2188         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2189
2190 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2191
2192         * gcc.c (cc1_options): Handle -iplugindir before processing
2193         the cc1 spec. Only add -iplugindir once.
2194         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2195         found.
2196         * common.opt (iplugindir): Remove `Separate' property, initialize.
2197         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2198         option.
2199         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2200         (distclean): Remove plugin dir.
2201         * doc/invoke.texi: Document -iplugindir.
2202
2203 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2204
2205         * doc/plugins.texi (Loading Plugins): Document short
2206         -fplugin=foo option.
2207         (Plugin API): Mention default_plugin_dir_name function.
2208
2209         * gcc.c (find_file_spec_function): Add new declaration.
2210         (static_spec_func): Use it for "find-file".
2211         (find_file_spec_function): Add new function.
2212         (cc1_options): Add -iplugindir option if -fplugin* options found.
2213
2214         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2215
2216         * plugin.c (add_new_plugin): Updated comment, and handle short
2217         plugin name.
2218         (default_plugin_dir_name): Added new function.
2219
2220         * common.opt (iplugindir): New option to set the plugin directory.
2221
2222 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2223
2224         * config/i386/i386.md (any_rotate): New code iterator.
2225         (rotate_insn): New code attribute.
2226         (rotate): Ditto.
2227         (SWIM124): New mode iterator.
2228         (<rotate_insn>ti3): New expander.
2229         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2230         any_rotate code iterator.
2231         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2232         using any_rotate code iterator and SWIM124 mode iterator.
2233         (ix86_rotlti3): New insn_and_split pattern.
2234         (ix86_rotrti3): Ditto.
2235         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2236         ix86_rotl{di,ti}3 patterns.
2237         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2238         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2239         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2240         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2241         code iterator and SWI mode iterator.
2242         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2243         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2244         code iterator.
2245         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2246         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2247         (bswap rotatert splitter): Add splitter.
2248         (bswap splitter): Macroize splitter using any_rotate code iterator.
2249         Add insn predicate to split only for TARGET_USE_XCHGB or when
2250         optimizing function for size.
2251
2252 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2253
2254         * config/pa/pa.c (emit_move_sequence): Remove use of
2255         deleted variable flag_argument_noalias.
2256
2257 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2258
2259         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2260         configurations.
2261         Add to unsupported targets list.
2262         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2263         sparc*-sun-solaris2.[567]* from target lists.
2264         * configure: Regenerate.
2265         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2266         removal.
2267         Remove Solaris 7 patch references.
2268         (Specific, sparc-sun-solaris2.7): Removed.
2269         (sparc-sun-solaris2*): Update Solaris 7 example.
2270         (sparc64-*-solaris2*): Likewise.
2271
2272 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2273
2274         * config.build (alpha*-dec-osf4*): Remove.
2275         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2276         of obsolete configurations.
2277         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2278         support.
2279         * config/alpha/t-osf4: Renamed to ...
2280         * config/alpha/t-osf5: ... this.
2281         * config/alpha/osf.h: Renamed to ...
2282         * config/alpha/osf5.h: ... this.
2283         Merged old osf5.h contents.
2284         Update comments.
2285         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2286         (EXTRA_SPECS): Removed.
2287         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2288         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2289         Document that.
2290
2291 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2292
2293         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2294
2295 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2296
2297         PR/43702
2298         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2299         __thiscall convention.
2300
2301 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2302
2303         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2304         orig_base.
2305         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2306
2307 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2308
2309         * function.c (assign_parms_initialize_all): Add unused attribute
2310         to fntype.
2311
2312 2010-04-12  Richard Guenther  <rguenther@suse.de>
2313
2314         * gsstruct.def (GSS_CALL): New.
2315         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2316         * gimple.h: Include tree-ssa-alias.h.
2317         (struct gimple_statement_call): New.
2318         (union gimple_statement_struct_d): Add gimple_call member.
2319         (gimple_call_reset_alias_info): Declare.
2320         (gimple_call_use_set): New function.
2321         (gimple_call_clobber_set): Likewise.
2322         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2323         * gimple.c (gimple_call_reset_alias_info): New function.
2324         (gimple_build_call_1): Call it.
2325         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2326         * tree-inline.c (remap_gimple_stmt): Likewise.
2327         (expand_call_inline): Remove callused handling.
2328         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2329         * tree-dfa.c (dump_variable): Likewise.
2330         * tree-parloops.c (parallelize_loops): Likewise.
2331         * tree-ssa.c (init_tree_ssa): Likewise.
2332         (delete_tree_ssa): Likewise.
2333         * tree-flow-inline.h (is_call_used): Remove.
2334         * tree-flow.h (struct gimple_df): Remove callused member.
2335         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2336         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2337         (ref_maybe_used_by_call_p_1): Simplify.
2338         (call_may_clobber_ref_p_1): Likewise.
2339         * tree-ssa-structalias.c (compute_points_to_sets): Set
2340         the call stmt used and clobbered sets.
2341         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2342         (find_tail_calls): Verify the tail call.
2343
2344 2010-04-12  Richard Guenther  <rguenther@suse.de>
2345
2346         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2347         single-iteration always-inline inlining.
2348         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2349         (cgraph_decide_inlining): Do not handle always-inline specially.
2350         (try_inline): Remove always-inline cycle detection special case.
2351         Do not recurse on always-inlines.
2352         (cgraph_early_inlining): Do not iterate if not optimizing.
2353         (cgraph_gate_early_inlining): remove.
2354         (pass_early_inline): Run unconditionally.
2355         (gate_cgraph_decide_inlining): New function.
2356         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2357         not inlining or optimizing.
2358         (cgraph_decide_inlining_of_small_functions): Also consider
2359         always-inline functions.
2360         (cgraph_default_inline_p): Return true for nodes which should
2361         disregard inline limits.
2362         (estimate_function_body_sizes): Assume zero size and time for
2363         nodes which are marked as disregarding inline limits.
2364         (cgraph_decide_recursive_inlining): Do not perform recursive
2365         inlining on always-inline nodes.
2366
2367 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2368
2369         PR bootstrap/43699
2370         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2371         for exprs satisfying handled_component_p.
2372
2373 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2374
2375         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2376         non-constant aggregate elements.
2377
2378         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2379         is a real initialization.
2380
2381 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2382
2383         PR c/36774
2384         * c-decl.c (start_function): Move forward check for nested function.
2385
2386 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2387
2388         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2389         * config/sh/sh.c: Include reload.h.
2390         (sh_legitimize_reload_address): New.
2391         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2392         sh_legitimize_reload_address.
2393
2394 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2395
2396         * config/sh/sh.md (*movqi_pop): New insn pattern.
2397         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2398
2399 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2400
2401         * config/i386/i386.md (any_shiftrt): New code iterator.
2402         (shiftrt_insn): New code attribute.
2403         (shiftrt): Ditto.
2404         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2405         using any_shiftrt code iterator.
2406         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2407         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2408         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2409         pattern from corresponding peephole2 patterns.
2410         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2411         using any_shiftrt code iterator.
2412         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2413         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2414         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2415         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2416         *{ashr,lshr}<mode>3_cmp_zext.
2417         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2418
2419 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2420
2421         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2422         scratch register.
2423         (*lshr<mode>3_cconly): Ditto.
2424
2425 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2426
2427         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2428         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2429         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2430         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2431         DWI mode iterator.
2432         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2433         from corresponding peephole2 patterns.
2434         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2435         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2436         and *lshrdi3_1_rex64 using SWI mode iterator.
2437         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2438         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2439         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2440         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2441         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2442         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2443         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2444         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2445         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2446         SWI mode iterator.
2447
2448 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2449
2450         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2451         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2452         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2453         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2454         DWI mode iterator.
2455         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2456         from corresponding peephole2 patterns.
2457         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2458         (ashrsi3_cvt): Rename from ashrsi3_31.
2459         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2460         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2461         and x86_64_shift_adj_3 using SWI48 mode iterator.
2462         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2463         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2464         and *ashrdi3_1_rex64 using SWI mode iterator.
2465         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2466         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2467         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2468         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2469         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2470         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2471         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2472         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2473         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2474         SWI mode iterator.
2475         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2476         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2477         x86_shift<mode>_adj_3 expanders.
2478
2479 2010-04-10  Wei Guozhi  <carrot@google.com>
2480
2481         PR target/42601
2482         * config/arm/arm.c (arm_pic_static_addr): New function.
2483         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2484         a static symbol.
2485         (arm_output_addr_const_extra): Output expression for new pattern.
2486         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2487
2488 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2489
2490         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2491         not enabled.
2492
2493         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2494         * web.c: Include "insn-config.h" and "recog.h".
2495         (union_match_dups): New function.
2496         (web_main): Call it.
2497         (union_defs): Don't try to recognize match_dups.
2498
2499         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2500         if doing so would replace the entire pattern.
2501
2502 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2503
2504         PR target/43707
2505         PR target/43709
2506         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2507         and splitter pattern.  Change splitter operand 1 predicate to
2508         nonmemory_operand.
2509
2510 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2511
2512         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2513         lattices are addresses of CONST_DECLs with the same initial value.
2514         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2515         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2516
2517 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2518             Bernd Schmidt  <bernds@codesourcery.com>
2519
2520         * loop-invariant.c (replace_uses): New static function.
2521         (move_invariant_reg): Use it to ensure we can replace the uses.
2522
2523 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2524
2525         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2526         function template.
2527         (picochip_override_options): Enable section anchors only above -O1.
2528         (picochip_reorg): Fixed a couple of build warnings.
2529
2530 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2531
2532         * configure.ac (plugin -rdynamic test): Log result.
2533         * configure: Regenerate.
2534         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2535         (RDYNAMIC_SPEC): Define.
2536         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2537
2538 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2539
2540         * configure.ac: Determine Sun ld version numbers.
2541         (comdat_group): Restrict GNU ld version checks to gld.
2542         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2543         (enable_comdat): Support --enable-comdat.
2544         * configure: Regenerate.
2545         * doc/install.texi (Configuration): Document --enable-comdat.
2546
2547 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2548
2549         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2550         * config/sol2-gld.h: ... here.
2551         * config.gcc (sparc*-*-solaris2*): Reflect this.
2552         (i[34567]86-*-solaris2*): Use it.
2553
2554 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2555
2556         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2557         setup_clocks_p.
2558         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2559
2560 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2561
2562         PR 42965
2563         * diagnostic.c (diagnostic_initialize): Initialize
2564         some_warnings_are_errors.
2565         (diagnostic_finish): New.
2566         (diagnostic_action_after_output): Call it before exiting.
2567         (diagnostic_report_diagnostic): Do not print message here. Set
2568         some_warnings_are_errors.
2569         * diagnostic.h (diagnostic_context): Delete
2570         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2571         (diagnostic_finish): Declare.
2572         * toplev.c (toplev_main): Call it before exit.
2573
2574 2010-04-09  Jason Merrill  <jason@redhat.com>
2575
2576         PR c++/42623
2577         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2578         for incomplete type.
2579
2580         PR c++/41788
2581         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2582         based on a warning flag.
2583
2584 2010-04-09  Richard Guenther  <rguenther@suse.de>
2585
2586         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2587
2588 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2589
2590         PR bootstrap/43684
2591         * varasm.c (default_assemble_visibility): Wrap vars that are
2592         set, but unused, by targets without GAS.
2593         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2594         Remove set, but unused, vars.
2595         (rs6000_legitimize_tls_address): Likewise.
2596         (altivec_expand_dst_builtin): Likewise.
2597         * config/darwin.c (machopic_classify_symbol): Likewise.
2598         (machopic_indirection_name): Likewise.
2599
2600 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         * config/i386/i386.md (DWI): New mode iterator.
2603         (S): New mode attribute.
2604         (shift_operand): Ditto.
2605         (shift_immediate_operand): Ditto.
2606         (ashl_input_operand): Ditto.
2607         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2608         using SDWIM mode iterator.
2609         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2610         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2611         DWI mode iterator.
2612         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2613         from corresponding peephole2 patterns.
2614         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2615         and x86_64_shift_adj_1 using SWI48 mode iterator.
2616         (x86_shift<mode>_adj_2): Ditto.
2617         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2618         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2619         using SWI48 mode iterator.
2620         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2621         *ashldi3_cmp_rex64 using SWI mode iterator.
2622         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2623         *ashldi3_cconly_rex64 using SWI mode iterator.
2624         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2625         x86_shift<mode>_adj_{1,2}.
2626         (ix86_split_ashr): Ditto.
2627         (ix86_split_lshr): Ditto.
2628
2629 2010-04-09  Richard Guenther  <rguenther@suse.de>
2630
2631         * target.h (builtin_conversion): Pass in input and output types.
2632         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2633         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2634         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2635         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2636
2637         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2638         Handle AVX modes.
2639         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2640
2641 2010-04-09  Richard Guenther  <rguenther@suse.de>
2642
2643         PR target/43152
2644         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2645
2646 2010-04-09  Richard Guenther  <rguenther@suse.de>
2647
2648         * tree-vectorizer.h (struct _stmt_vec_info): Document
2649         that vectype is the type of the LHS.
2650         (supportable_widening_operation, supportable_narrowing_operation):
2651         Get both input and output vector types as arguments.
2652         (vect_is_simple_use_1): Declare.
2653         (get_same_sized_vectype): Likewise.
2654         * tree-vect-loop.c (vect_determine_vectorization_factor):
2655         Set STMT_VINFO_VECTYPE to the vector type of the def.
2656         (vectorizable_reduction): Adjust.
2657         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2658         Adjust.  Specify the output vector type.
2659         (vect_pattern_recog_1): Adjust.
2660         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2661         (vectorizable_call): Adjust.
2662         (vectorizable_conversion): Likewise.
2663         (vectorizable_operation): Likewise.
2664         (vectorizable_type_demotion): Likewise.
2665         (vectorizable_type_promotion): Likewise.
2666         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2667         the def.
2668         (vect_is_simple_use_1): New function.
2669         (supportable_widening_operation): Get both input and output
2670         vector types.
2671         (supportable_narrowing_operation): Likewise.
2672         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2673
2674 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2675
2676         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2677         __thiscall and _thiscall as predefined macros.
2678         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2679         thiscall attribute handling.
2680         (ix86_comp_type_attributes): Likewise.
2681         (ix86_function_regparm): Likewise.
2682         (ix86_return_pops_args): Likewise.
2683         (init_cumulative_args): Likewise.
2684         (find_drap_reg): Likewise.
2685         (ix86_static_chain): Likewise.
2686         (x86_this_parameter): Likewise.
2687         (x86_output_mi_thunk): Likewise.
2688         (ix86_attribute_table): Add description for thiscall attribute.
2689         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2690         * doc/extend.texi: Add documentation for thiscall.
2691
2692 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2693
2694         PR c++/28584
2695         * c.opt (Wint-to-pointer-cast): Available in C++.
2696         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2697
2698 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2699
2700         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2701         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2702         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2703         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2704         function type instead.  Reorder and simplify checks.
2705
2706         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2707
2708 2010-04-08  Jing Yu  <jingyu@google.com>
2709             Zdenek Dvorak  <ook@ucw.cz>
2710
2711         PR tree-optimization/42720
2712         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2713         loop unswitch conditions here from ...
2714         (tree_unswitch_single_loop): ... here.
2715
2716 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2717
2718         * tree-if-conv.c: Fix comments and simplify logic.
2719
2720 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2721
2722         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2723         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2724         (main_tree_if_conversion): Update call to tree_if_conversion.
2725
2726 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2727
2728         PR 42485
2729         * doc/invoke.texi (-b,-V): Delete.
2730         * doc/tm.texi: Do not mention -b.
2731         * gcc.c (display_help): Delete -b and -V.
2732         (process_command): Delete -b and -V.
2733         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2734
2735 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2736             Wolfgang Gellerich  <gellerich@de.ibm.com>
2737
2738         Implement target hook for loop unrolling
2739         * target.h (loop_unroll_adjust): Add a new target hook function.
2740         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2741         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2742         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2743         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2744         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2745         target hook.
2746         (decide_unroll_stupid): Likewise.
2747
2748 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2749
2750         PR target/43643
2751         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2752
2753 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2754
2755         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2756         (Specific, *-*-solaris2*): Likewise.
2757         Don't prefer Sun as over GNU as.
2758
2759 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2760
2761         * config/s390/s390.c (override_options): Adjust the z10
2762           defaults for max-unroll-times, max-completely-peeled-insns
2763           and max-completely-peel-times.
2764
2765 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2766
2767         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2768         instructions for z10.
2769         (s390_expand_setmem): Likewise.
2770         (s390_expand_cmpmem): Likewise.
2771
2772 2010-04-08  Richard Guenther  <rguenther@suse.de>
2773
2774         PR tree-optimization/43679
2775         * tree-ssa-pre.c (eliminate): Only propagate copies.
2776
2777 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2778
2779         PR bootstrap/43681
2780         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2781         set but not used variable warning.
2782
2783 2010-04-08  Wei Guozhi  <carrot@google.com>
2784
2785         PR target/41653
2786         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2787         (arm_size_rtx_costs): Call the new function when optimized for size.
2788
2789 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2790
2791         PR debug/43670
2792         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2793         op0 is not a MEM, just return NULL instead of assertion
2794         failure.
2795         (discover_nonconstant_array_refs): Don't walk debug stmts.
2796
2797 2010-04-08  Doug Kwan  <dougkwan@google.com>
2798
2799         * configure.ac: Recognize gold and do not use its version number
2800         to test ld features.
2801         * configure: Regenerate.
2802
2803 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2804
2805         PR middle-end/40815
2806         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2807         (negate_value): Move code to push elements to broken_up_substracts ...
2808         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2809         negative pair to plus_negates.
2810         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2811
2812 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2813
2814         * doc/install.texi (Configuration): Move description of
2815         --enable-lto, --with-libelf*, --enable-gold from Java section to
2816         general section.
2817
2818         * doc/generic.texi (Working with declarations)
2819         (Function Properties, C and C++ Trees): Fix typos.
2820         * doc/sourcebuild.texi (Top Level): Likewise.
2821
2822 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2823
2824         PR c/18624
2825         * tree.h (DECL_READ_P): Define.
2826         (struct tree_decl_common): Add decl_read_flag.
2827         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2828         a set but not used warning.
2829         (merge_decls): Merge DECL_READ_P flag.
2830         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2831         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2832         * c-common.c (handle_used_attribute, handle_unused_attribute):
2833         Likewise.
2834         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2835         New prototypes.
2836         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2837         New functions.
2838         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2839         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2840         c_parser_binary_expression, c_parser_cast_expression,
2841         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2842         Call default_function_array_read_conversion instead of
2843         default_function_array_conversion where needed.
2844         (c_parser_unary_expression, c_parser_conditional_expression,
2845         c_parser_postfix_expression_after_primary, c_parser_initelt):
2846         Likewise.  Call mark_exp_read where needed.
2847         (c_parser_statement_after_labels, c_parser_asm_operands,
2848         c_parser_typeof_specifier, c_parser_sizeof_expression,
2849         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2850         where needed.
2851         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2852         New.
2853         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2854         (warn_unused_but_set_parameter): Default to warn_unused
2855         && extra_warnings.
2856         * doc/invoke.texi: Document -Wunused-but-set-variable and
2857         -Wunused-but-set-parameter.
2858
2859         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2860         used count variable.
2861         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2862         when operandN variables aren't used in the body of the expander
2863         or splitter.
2864         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2865         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2866         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2867         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2868         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2869         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2870         * tree.c (PROCESS_ARG): Likewise.
2871
2872 2010-04-07  Simon Baldwin  <simonb@google.com>
2873
2874         * diagnostic.h (diagnostic_override_option_index): New macro to
2875         set a diagnostic's option_index.
2876         * c-tree.h (c_cpp_error): Add warning reason argument.
2877         * opts.c (_warning_as_error_callback): New.
2878         (register_warning_as_error_callback): Store callback for
2879         warnings enabled via enable_warning_as_error.
2880         (enable_warning_as_error): Call callback, minor code tidy.
2881         * opts.h (register_warning_as_error_callback): Declare.
2882         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2883         response to -Werror=.
2884         (c_common_init_options): Register warning_as_error_callback in opts.c.
2885         * common.opt: Add -Wno-cpp option.
2886         * c-common.c (struct reason_option_codes_t): Map cpp warning
2887         reason codes to gcc option indexes.
2888         * (c_option_controlling_cpp_error): New function, lookup the gcc
2889         option index for a cpp warning reason code.
2890         * (c_cpp_error): Add warning reason argument, call
2891         c_option_controlling_cpp_error for diagnostic_override_option_index.
2892         * doc/invoke.texi: Document -Wno-cpp.
2893
2894 2010-04-07  Richard Guenther  <rguenther@suse.de>
2895
2896         * ipa-reference.c (mark_load): Use get_base_address.
2897         (mark_store): Likewise.
2898
2899         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2900         inserting GIMPLE_NOPs into the IL.
2901         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2902         Explicitly strip handled components and indirect references.
2903
2904         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2905         folding address expressions.
2906         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2907         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2908         operand_equal_p to compare decls.
2909         (ptr_deref_may_alias_decl_p): Likewise.
2910         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2911         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2912         Handle reversed comparison ops.
2913         * tree-sra.c (asm_visit_addr): Use get_base_address.
2914         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2915         * ipa-reference.c (mark_address): Use get_base_address.
2916
2917 2010-04-07  Richard Guenther  <rguenther@suse.de>
2918
2919         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2920         Propagate constants everywhere.
2921
2922 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR debug/43516
2925         * tree.c (MAX_INT_CACHED_PREC): Define.
2926         (nonstandard_integer_type_cache): New array.
2927         (build_nonstandard_integer_type): Cache results for precision
2928         <= MAX_INT_CACHED_PREC.
2929
2930 2010-04-07  Richard Guenther  <rguenther@suse.de>
2931
2932         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2933         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2934         * common.opt: Likewise.
2935         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2936         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2937         (nonoverlapping_memrefs_p): Likewise.
2938         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2939         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2940         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2941         OPT_fargument_noalias_global for backward compatibility.
2942
2943 2010-04-07  Richard Guenther  <rguenther@suse.de>
2944
2945         PR tree-optimization/43270
2946         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2947         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2948         * tree-ssa-pre.c (phi_translate_1): Adjust.
2949         (fully_constant_expression): Split out vn_reference handling to ...
2950         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2951         Fold reads from constant strings.
2952         (vn_reference_lookup): Handle fully constant references.
2953         (vn_reference_lookup_pieces): Likewise.
2954         * Makefile.in (expmed.o-warn): Add -Wno-error.
2955
2956 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2957
2958         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2959
2960 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2961
2962         PR driver/41594
2963         * gcc.c: Add -static-libstdc++ to list of recognized options.
2964
2965 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2966
2967         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2968
2969 2010-04-07  Richard Guenther  <rguenther@suse.de>
2970
2971         PR middle-end/42617
2972         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2973         bases build simple mem attributes to retain points-to information.
2974
2975 2010-04-07  Richard Guenther  <rguenther@suse.de>
2976
2977         PR middle-end/42617
2978         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2979         preserve points-to related information.
2980
2981 2010-04-07  Richard Guenther  <rguenther@suse.de>
2982
2983         PR middle-end/42617
2984         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2985         discard plain indirect references.
2986         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2987         * tree.c (tree_nop_conversion): Likewise.
2988
2989 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2990
2991         PR debug/43628
2992         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2993
2994 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2995
2996         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2997         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2998
2999 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3000
3001         * tree-if-conv.c: Fix indentation and comments.
3002
3003 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3004
3005         * tree-if-conv.c: Sort static functions in topological order.
3006
3007 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3008
3009         * tree-if-conv.c: Fix indentation and comments.
3010
3011 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         PR middle-end/43519
3014         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3015         lang_hooks.types.type_for_size instead of
3016         build_nonstandard_integer_type.
3017         When converting an unsigned type to signed, double its precision.
3018         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3019         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3020         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3021         use lb <= ub.
3022
3023 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         PR middle-end/43519
3026         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3027         POINTER_PLUS_EXPR for pointer types.
3028
3029 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         PR middle-end/43519
3032         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3033         * graphite-clast-to-gimple.c: Include langhooks.h.
3034         (max_signed_precision_type): New.
3035         (max_precision_type): Takes two types as arguments.
3036         (precision_for_value): New.
3037         (precision_for_interval): New.
3038         (gcc_type_for_interval): New.
3039         (gcc_type_for_value): New.
3040         (gcc_type_for_clast_term): New.
3041         (gcc_type_for_clast_red): New.
3042         (gcc_type_for_clast_bin): New.
3043         (gcc_type_for_clast_expr): Split up into several functions.
3044         (gcc_type_for_clast_eq): Rewritten.
3045         (compute_bounds_for_level): New.
3046         (compute_type_for_level_1): New.
3047         (compute_type_for_level): New.
3048         (gcc_type_for_cloog_iv): Removed.
3049         (gcc_type_for_iv_of_clast_loop): Rewritten.
3050         (graphite_create_new_loop): Compute the lower and upper bound types
3051         with gcc_type_for_clast_expr.
3052         (graphite_create_new_loop_guard): Same.
3053         (find_cloog_iv_in_expr): Removed.
3054         (compute_cloog_iv_types_1): Removed.
3055         (compute_cloog_iv_types): Removed.
3056         (gloog): Do not call compute_cloog_iv_types.
3057         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3058         GBB_CLOOG_IV_TYPES.
3059         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3060         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3061         (GBB_CLOOG_IV_TYPES): Removed.
3062
3063 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3064
3065         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3066         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3067         (detect_commutative_reduction): Same.
3068
3069 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3070
3071         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3072         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3073         argument.
3074         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3075         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3076         (rewrite_commutative_reductions_out_of_ssa): Same.
3077         * passes.c (execute_function_todo): Call verify_ssa for every pass
3078         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3079         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3080         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3081         with an extra argument.
3082         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3083         verify_ssa only when the extra argument is true.
3084         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3085         with an extra argument.
3086         (tree_transform_and_unroll_loop): Same.
3087
3088 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3089
3090         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3091         for all the passes of the LNO having LOOP_CLOSED_SSA.
3092         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3093         * tree-loop-distribution.c (pass_loop_distribution): Same.
3094         * tree-pass.h (TODO_verify_loops): Removed.
3095         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3096         (pass_lim): Same.
3097         (pass_tree_unswitch): Same.
3098         (pass_predcom): Same.
3099         (pass_vectorize): Same.
3100         (pass_linear_transform): Same.
3101         (pass_graphite_transforms): Same.
3102         (pass_iv_canon): Same.
3103         (pass_complete_unroll): Same.
3104         (pass_complete_unrolli): Same.
3105         (pass_parallelize_loops): Same.
3106         (pass_loop_prefetch): Same.
3107         (pass_iv_optimize): Same.
3108
3109 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3110
3111         PR middle-end/32824
3112         * passes.c (init_optimization_passes): Move pass_lim before
3113         pass_copy_prop and pass_dce_loop.
3114
3115 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR target/43667
3118         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3119         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3120         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3121         MULTI_* defines for 4 argument vpermil2p* builtins.
3122
3123 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3124
3125         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3126         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3127         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3128         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3129         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3130         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3131         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3132         Use x86_maybe_negate_const_int to output insn mnemonic.
3133         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3134         check from instruction predicate.  Update comments.
3135         * config/i386/sync.md (sync_add<mode>): Use
3136         x86_maybe_negate_const_int to output insn mnemonic.
3137
3138 2010-04-06  Jan Hubicka  <jh@suse.cz>
3139
3140         PR tree-optimization/42906
3141         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3142         IGNORE_SELF argument.  Set visited_control_parents for fully
3143         processed BBs.
3144         (find_obviously_necessary_stmts): Update call of
3145         mark_control_dependent_edges_necessary.
3146         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3147
3148 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3149
3150         * config/i386/i386.md: Remove comment about 'e' and 'E'
3151         operand modifier.
3152
3153 2010-04-06  Richard Guenther  <rguenther@suse.de>
3154
3155         PR tree-optimization/43627
3156         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3157         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3158         not varying.
3159
3160 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3161
3162         * BASE-VER: Change to 4.6.0.
3163
3164         PR target/43638
3165         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3166         handling.
3167
3168 2010-04-06  Richard Guenther  <rguenther@suse.de>
3169
3170         PR middle-end/43661
3171         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3172
3173 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3174
3175         * doc/invoke.texi (Optimize Options): Document that LTO
3176         won't remove object access purely due to incompatible
3177         declarations.
3178
3179 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3180
3181         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3182         Initialize variable.
3183
3184 2010-04-03  Richard Guenther  <rguenther@suse.de>
3185
3186         PR middle-end/42509
3187         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3188         require a non-NULL MEM_OFFSET.
3189
3190 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3191
3192         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3193         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3194         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3195         config/alpha/predicates.md, config/arm/arm.md,
3196         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3197         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3198         config/darwin9.h, config/darwin.c, config/darwin.h,
3199         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3200         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3201         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3202         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3203         config/mips/mips.md, config/mn10300/mn10300.c,
3204         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3205         config/rs6000/aix.h, config/rs6000/dfp.md,
3206         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3207         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3208         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3209         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3210         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3211         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3212         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3213         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3214         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3215         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3216         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3217         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3218         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3219         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3220         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3221         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3222         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3223         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3224         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3225         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3226         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3227         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3228         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3229         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3230         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3231         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3232         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3233         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3234         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3235         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3236         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3237         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3238         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3239         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3240         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3241         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3242
3243 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3244
3245         PR other/43620
3246         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3247         * aclocal.m4: Regenerate.
3248
3249 2010-04-02  Richard Guenther  <rguenther@suse.de>
3250
3251         PR tree-optimization/43629
3252         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3253         if we have seen a constant value.
3254
3255 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3256
3257         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3258
3259 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3260
3261         PR target/43469
3262         * arm.c (legitimize_tls_address): Adjust call to
3263         gen_tls_load_dot_plus_four.
3264         (arm_note_pic_base): New function.
3265         (arm_cannot_copy_insn_p): Use it.
3266         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3267         constraint.
3268
3269 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3270
3271         PR bootstrap/43531
3272
3273         Revert:
3274         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3275
3276         * Makefile.in ($(out_object_file)): Depend on
3277         gt-$(basename $(notdir $(out_file))).h.
3278
3279 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3280
3281         * config.gcc (lm32-*-rtems*): Add t-lm32.
3282
3283 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3284
3285         * config.gcc: Add lm32-*-rtems*.
3286         * config/lm32/rtems.h: New file.
3287
3288 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3289
3290         PR target/42609
3291         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3292
3293 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3294
3295         * dwarf2out.c (output_compilation_unit_header): For
3296         -gdwarf-4 use version 4 instead of version 3.
3297         (output_line_info): For version 4 and above emit additional
3298         maximum ops per insn header field.
3299         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3300
3301         * dwarf2out.c (is_c_family, is_java): Remove.
3302         (lower_bound_default): New function.
3303         (add_bound_info, gen_descr_array_type_die): Use it.
3304
3305 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3306
3307         PR debug/43325
3308         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3309         re-declaration when it happens in a function.
3310
3311 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3312
3313         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3314         (cgraph_remove_function_insertion_hook): Same.
3315         (cgraph_call_function_insertion_hooks): Same.
3316
3317 2010-04-01  Richard Guenther  <rguenther@suse.de>
3318
3319         PR middle-end/43614
3320         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3321         and TREE_THIS_VOLATILE.
3322         (copy_ref_info): Likewise.
3323         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3324         * tree.c (build6_stat): Ignore side-effects of all but arg5
3325         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3326         TARGET_MEM_REF.
3327
3328 2010-04-01  Richard Guenther  <rguenther@suse.de>
3329
3330         PR tree-optimization/43607
3331         * ipa-type-escape.c (check_call): Do not access non-existing
3332         arguments.
3333
3334 2010-04-01  Richard Guenther  <rguenther@suse.de>
3335
3336         PR middle-end/43602
3337         Revert
3338         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3339                     Jack Howarth <howarth@bromo.med.uc.edu>
3340
3341         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3342         variables TLS.
3343
3344 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3345
3346         * doc/install.texi (Prerequisites): Document libelf usability on
3347         IRIX 5/6 and Solaris 2.
3348         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3349         Update GNU as, GNU ld requirements.
3350         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3351         Document Sun Studio compiler download.
3352         Update and simplify as, ld recommendations.
3353         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3354
3355 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3356
3357         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3358         with_tune_32 to pentium4.
3359
3360 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3361
3362         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3363
3364 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3365
3366         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3367         obsoletion, removal.
3368         Update IDO URL.
3369         Document GNU as requirement.
3370         Update configure requirements.
3371         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3372         Recomment IRIX 6.5.18+.
3373         Document IDF/IDL requirement.
3374         Document GNU as requirement.
3375         Document GNU ld bootstrap failure.
3376         Remove freeware.sgi.com reference.
3377
3378 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3379
3380         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3381         UNIX V4.0, V5.0 obsoletion, removal.
3382         Remove --with-gc=simple reference.
3383         Update VM requirements during bootstrap.
3384         Remove -oldas bootstrap description.
3385         Update binutils reference.
3386         Remove comparison failure note.
3387
3388 2010-03-31  Richard Guenther  <rguenther@suse.de>
3389             Zdenek Dvorak  <ook@ucw.cz>
3390             Sebastian Pop  <sebastian.pop@amd.com>
3391
3392         PR middle-end/43464
3393         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3394         with multiple arguments.
3395         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3396
3397 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3398
3399         * graphite-dependences.c (print_pddr): Call print_pdr with an
3400         extra argument.
3401         * graphite-poly.c (debug_pdr): Add an extra argument for the
3402         verbosity level.
3403         (print_pdr): Same.
3404         (print_pbb_domain): Same.
3405         (print_pbb): Same.
3406         (print_scop_context): Same.
3407         (print_scop): Same.
3408         (print_cloog): Same.
3409         (debug_pbb_domain): Same.
3410         (debug_pbb): Same.
3411         (print_pdrs): Same.
3412         (debug_pdrs): Same.
3413         (debug_scop_context): Same.
3414         (debug_scop): Same.
3415         (debug_cloog): Same.
3416         (print_scop_params): Same.
3417         (debug_scop_params): Same.
3418         (print_iteration_domain): Same.
3419         (print_iteration_domains): Same.
3420         (debug_iteration_domain): Same.
3421         (debug_iteration_domains): Same.
3422         (print_scattering_function): Same.
3423         (print_scattering_functions): Same.
3424         (debug_scattering_function): Same.
3425         (debug_scattering_functions): Same.
3426         * graphite-poly.h (debug_pdr): Update declaration.
3427         (print_pdr): Same.
3428         (print_pbb_domain): Same.
3429         (print_pbb): Same.