OSDN Git Service

485dfbe4e5eb37ca3094a7f75ffb49a2f4cf1dd6
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
2
3         * double-int.h (tree_to_double_int): Remove macro.
4         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
5         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
6         (tree_to_double_int): New function.
7         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
8         Move ...
9         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
10
11 2010-05-03  Richard Guenther  <rguenther@suse.de>
12
13         PR tree-optimization/43971
14         * tree-ssa-structalias.c (get_constraint_for_1): Fix
15         constraints in the !flag_delete_null_pointer_checks case.
16
17 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
18
19         PR debug/43972
20         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
21         result mode matches original rtl mode.
22
23 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
24
25         PR target/43888
26         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
27
28 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
29
30         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
31         when processing flag options.
32
33 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
34
35         * gcov-iov.c (main): Change format string placeholder
36         from %#08x to 0x%08x.
37         * genchecksum.c (dosum): Change format string placeholder
38         from %#02x to 0x%02x.
39
40 2010-05-02  Richard Guenther  <rguenther@suse.de>
41
42         PR tree-optimization/43879
43         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
44
45 2010-05-02  Bruno Haible  <bruno@clisp.org>
46
47         * doc/extend.texi (Function Attributes): Fix a typo.
48
49 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
50
51         Revert:
52         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
53         placeholder from 0x%x to %#x.
54         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
55         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
56         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
57         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
58         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
59         * config/i386/i386.c (ix86_target_string): Ditto.
60         * config/i386/i386.c (output_pic_addr_const): Ditto.
61         (print_operand): Ditto.
62
63 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
64
65         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
66         placeholder from 0x%x to %#x.
67         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
68         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
69         (ASM_OUTPUT_DEBUG_DATA): Ditto.
70         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
71         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
72         * optc-gen.awk: Ditto.
73         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
74         (HOST_WIDE_INT_PRINT_HEX): Ditto.
75         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
76         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
77
78 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
79
80         * target.h (struct calls): Add function_value_regno_p field.
81         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
82         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
83         * targhooks.c (default_function_value_regno_p): New function.
84         * targhooks.h (default_function_value_regno_p): Declare function.
85         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
86         * builtins.c. (apply_result_size): (Ditto.).
87         * combine.c. (likely_spilled_retval_p): (Ditto.).
88         * mode-switching.c. Include 'target.h'.
89         (create_pre_exit): Use function_value_regno_p hook.
90         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
91         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
92         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
93
94         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
95         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
96         (ix86_function_value_regno_p): Declare as static, change argument
97         type to const unsigned int.
98         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
99
100 2010-05-01  Richard Guenther  <rguenther@suse.de>
101
102         PR tree-optimization/43949
103         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
104         types.
105         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
106
107 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
108
109         * rtl.h (CONST_DOUBLE_P): Define.
110         (rtx_to_double_int): Declare.
111         * emit-rtl.c (rtx_to_double_int): New function.
112         * dwarf2out.c (insert_double): New function.
113         (loc_descriptor, add_const_value_attribute): Clean up, use
114         rtx_to_double_int and insert_double functions.
115
116 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
117
118         * doc/extend.texi (Inline): Add missing return keyword to examples.
119         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
120         "command-line".
121
122 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
123
124         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
125         the variable part of the offset as well.  Use highest_pow2_factor for
126         all alignment checks.
127
128 2010-04-30  Richard Guenther  <rguenther@suse.de>
129
130         PR tree-optimization/43879
131         * tree-ssa-structalias.c (type_could_have_pointers): Functions
132         can have pointers.
133
134 2010-04-30  Jan Hubicka  <jh@suse.cz>
135
136         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
137         varpool.
138         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
139
140 2010-04-30  Jan Hubicka  <jh@suse.cz>
141
142         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
143         New.
144         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
145         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
146         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
147         cgraph_node_set_needs_ltrans_p): Remove.
148
149 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
150
151         * sdbout.c: Include vec.h, do not include varray.h.
152         (deferred_global_decls, sdbout_global_decl,
153         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
154         * toplev.c: Do not include varray.h.
155         (dump_memory_report): Do not dump VARRAY statistics.
156         * gengtype.c (open_base_file): Ignore varray.h.
157         * Makefile.in: Update for abovementioned changes.
158         Remove all traces of varray.c and varray.h.
159         * varray.c: Remove file.
160         * varray.h: Remove file.
161
162 2010-04-30  Jan Hubicka  <jh@suse.cz>
163
164         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
165         references.
166
167 2010-04-30  Jan Hubicka  <jh@suse.cz>
168
169         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
170         needed.
171
172 2010-04-30  Richard Guenther  <rguenther@suse.de>
173
174         * tree-ssa-structalias.c (get_constraint_for_1): Generate
175         constraints for CONSTRUCTOR.
176
177 2010-04-30  Richard Guenther  <rguenther@suse.de>
178
179         PR lto/43946
180         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
181         first after all lowering passes.
182
183 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
184
185         * toplev.c: Include varray.h for statistics dumping.
186         * tree.h: Do not declare varray_head_tag.
187         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
188         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
189         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
190         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
191         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
192         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
193         c-common.c, c-common.h, reg-stack.c, basic-block.h,
194         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
195         include varray.h.
196         * Makefile.in: Update for abovementioned changes.
197
198 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
199
200         PR debug/43942
201         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
202
203 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
204
205         * config/picochip/picochip.c (picochip_legitimize_address): Define.
206         Use this function to do machine-specific conversion.
207         (picochip_legitimize_reload_address): Likewise.
208         (picochip_legitimate_address_p): Check valid base register only if
209         strict.
210         (picochip_check_conditional_copy): Check for modw only if opnd is
211         register.
212         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
213         to call the function in c.
214         * config/picochip/picochip-protos.h
215         (picochip_legitimize_reload_address): Define.
216         * config/picochip/picochip.md (supported_compare1): Define.
217
218 2010-04-30  Jan Hubicka  <jh@suse.cz>
219
220         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
221         (cgraph_global_info): Remove inlined.
222         (LTO_cgraph_tag_names): Remove.
223         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
224         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
225         simplify cgraph tags and document.
226         (lto_output_node): Use only LTO_cgraph_unavail_node and
227         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
228         for_functions_valid, global info, process and output flags.
229         (input_overwrite_node): Initialize estimated stack size and
230         estimated growth.  Do not read flags we no longer store.
231         (input_node): Likewise do not read info no longer stored.
232         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
233         flag.
234
235 2010-04-30  Richard Guenther  <rguenther@suse.de>
236
237         PR tree-optimization/43879
238         * tree-ssa-structalias.c (get_constraint_for_1): Properly
239         handle non-zero initializers.
240
241 2010-04-30  Richard Guenther  <rguenther@suse.de>
242
243         * builtins.c (fold_builtin_1): Delete free (0).
244
245 2010-04-29  Jan Hubicka  <jh@suse.cz>
246
247         * gengtype.c (open_base_files): Add lto-streamer.h
248         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
249         (pass_ipa_cp): GGC collect.
250         * toplev. (compile_file): Do not output symbols.
251         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
252         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
253         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
254         * lto-section-in.c: Include ggc.h
255         (lto_new_in_decl_state): Alloc in GGC.
256         (lto_delete_in_decl_state): Likewise.
257         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
258         Collect.
259
260 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
261
262         PR target/42895
263         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
264         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
265         (HONOR_REG_ALLOC_ORDER): Describe new macro.
266         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
267         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
268         account only if HONOR_REG_ALLOC_ORDER is not defined.
269         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
270         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
271
272 2010-04-29  Jon Grant  <04@jguk.org>
273
274         * collect2.c (vflag): Change type from int to bool.
275         (debug): Likewise.
276         (helpflag): New global bool.
277         (main): Set vflag and debug with boolean, not integer truth values.
278         Accept new "--help" option and output usage text if found.
279         * collect2.h (vflag): Update prototype.
280         (debug): Likewise.
281
282 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
283
284         PR bootstrap/43936
285         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
286
287 2010-04-29  Richard Guenther  <rguenther@suse.de>
288
289         PR bootstrap/43935
290         * plugin.h (invoke_plugin_callbacks): Annotate arguments
291         with ATTRIBUTE_UNUSED.
292
293 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
294
295         PR target/43921
296         * config/i386/i386.c (get_some_local_dynamic_name): Replace
297         INSN_P with NONDEBUG_INSN_P.
298         (distance_non_agu_define): Likewise.
299         (distance_agu_use): Likewise.
300
301 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
302
303         From Dominique d'Humieres <dominiq@lps.ens.fr>
304         PR bootstrap/43858
305         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
306         test_set.
307
308 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
309
310         * plugin.h (invoke_plugin_callbacks): New inline function.
311         * plugin.c (flag_plugin_added): New global flag.
312         (add_new_plugin): Initialize above flag.
313         (invoke_plugin_callbacks): Rename to ...
314         (invoke_plugin_callbacks_full): ... this.
315
316 2010-04-28  Jan Hubicka  <jh@suse.cz>
317
318         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
319         (lto_varpool_replace_node): New.
320         (lto_symtab_resolve_symbols): Resolve varpool nodes.
321         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
322         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
323         * cgraph.h (varpool_node_ptr): New type.
324         (varpool_node_ptr): New vector.
325         (varpool_node_set_def): New structure.
326         (varpool_node_set): New type.
327         (varpool_node_set): New vector.
328         (varpool_node_set_element_def): New structure.
329         (varpool_node_set_element, const_varpool_node_set_element): New types.
330         (varpool_node_set_iterator): New type.
331         (varpool_node): Add prev pointers, add used_from_other_partition,
332         in_other_partition.
333         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
334         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
335         varpool_get_node, varpool_remove_node): Declare.
336         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
337         varpool_node_set_size): New inlines.
338         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
339         * tree-pass.h (varpool_node_set_def): Forward declare.
340         (ipa_opt_pass_d): Summary writting takes vnode sets too.
341         (ipa_write_optimization_summaries): Update prototype.
342         * ipa-cp.c (ipcp_write_summary): Update.
343         * ipa-reference.c (ipa_reference_write_summary): Update.
344         * lto-cgraph.c (lto_output_varpool_node): New static function.
345         (output_varpool): New function.
346         (input_varpool_node): New static function.
347         (input_varpool_1): New function.
348         (input_cgraph): Input varpool.
349         * ipa-pure-const.c (pure_const_write_summary): Update.
350         * lto-streamer-out.c (lto_output): Update, output varpool too.
351         (write_global_stream): Kill WPA hack.
352         (produce_asm_for_decls): Update.
353         (output_alias_pair_p): Handle variables.
354         (output_unreferenced_globals): Output only needed partition of varpool.
355         * ipa-inline.c (inline_write_summary): Update.
356         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
357         cgraph.
358         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
359         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
360         varpool_node_set_new, varpool_node_set_add,
361         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
362         debug_varpool_node_set): New functions.
363         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
364         (execute_one_pass): Process new decls too.
365         (ipa_write_summaries_2): Pass around vsets.
366         (ipa_write_summaries_1): Likewise.
367         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
368         to add.
369         (ipa_write_optimization_summaries_1): Pass around vsets.
370         (ipa_write_optimization_summaries): Likewise.
371         * varpool.c (varpool_get_node): New.
372         (varpool_node): Update doubly linked lists.
373         (varpool_remove_node): New.
374         (dump_varpool_node): More dumping.
375         (varpool_enqueue_needed_node): Update doubly linked lists.
376         (decide_is_variable_needed): Kill ltrans hack.
377         (varpool_finalize_decl): Kill lto hack.
378         (varpool_assemble_decl): Skip decls in other partitions.
379         (varpool_assemble_pending_decls): Update doubly linkes lists.
380         (varpool_empty_needed_queue): Likewise.
381         (varpool_extra_name_alias): Likewise.
382         * lto-streamer.c (lto_get_section_name): Add vars section.
383         * lto-streamer.h (lto_section_type): Update.
384         (output_varpool, input_varpool): Declare.
385
386 2010-04-28  Mike Stump  <mikestump@comcast.net>
387
388         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
389
390 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
391
392         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
393         record or union type with RECORD_OR_UNION_TYPE_P predicate.
394         (lto_input_ts_type_tree_pointers): Likewise.
395         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
396         (lto_output_ts_type_tree_pointers): Likewise.
397
398 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
399
400         Uniquization of constants at the Tree level
401         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
402         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
403         bit to the end.
404         (tree_output_constant_def): Declare.
405         * gimplify.c (gimplify_init_constructor): When using block copy, first
406         uniquize the constant constructor on the RHS.
407         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
408         DECL_IN_CONSTANT_POOL flag.
409         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
410         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
411         constant pool.
412         (assemble_variable): Deal with symbols belonging to the tree constant
413         pool.
414         (get_constant_section): Add ALIGN parameter and simplify.
415         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
416         (assemble_constant_contents): Use the expression of the VAR_DECL.
417         (output_constant_def_contents): Use the alignment of the VAR_DECL.
418         (tree_output_constant_def): New global function.
419         (mark_constant): Use the expression of the VAR_DECL.
420         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
421         its expression.
422         (output_object_block): Likewise and assemble the expression.
423
424 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
425
426         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
427         hash_tree, eq_tree): New tree hash table.
428         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
429         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
430         lto_orig_address_remove): Reimplement.
431
432 2010-04-28  Xinliang David Li  <davidxl@google.com>
433
434         PR c/42643
435         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
436         (compute_uninit_opnds_pos): New function.
437         (is_non_loop_exit_postdominating): New function.
438         (compute_control_dep_chain): New function.
439         (find_pdom): New function.
440         (convert_control_dep_chain_into_preds): New function.
441         (find_predicates): New function.
442         (find_control_equiv_block): New function.
443         (collect_phi_def_edges): New function.
444         (find_def_preds): New function.
445         (find_dom): New function.
446         (dump_predicates): New function.
447         (get_cmp_code): New function.
448         (is_value_included_in): New function.
449         (find_matching_predicate_in_rest_chains): New function.
450         (use_pred_not_overlap_with_undef_path_pred): New function.
451         (is_use_properly_guarded): New function.
452         (normalize_cond_1): New function.
453         (is_and_or_or): New function.
454         (normalize_cond): New function.
455         (is_gcond_subset_of): New function.
456         (is_subset_of_any): New function.
457         (is_or_set_subset_of): New function.
458         (is_and_set_subset_of): New function.
459         (is_norm_cond_subset_of): New function.
460         (is_pred_expr_subset_of): New function.
461         (is_pred_chain_subset_of): New function.
462         (is_included_in): New function.
463         (is_superset_of): New function.
464         (find_uninit_use): New function.
465         (warn_uninitialized_phi): New function.
466         (compute_possibly_undefined_names): New function.
467         (ssa_undefined_value_p): New function.
468         (execute_late_warn_uninitialized): New function.
469         * tree-ssa.c (ssa_undefined_value_p): Removed.
470         (warn_uninit): Changed to extern.
471         (warn_uninitialized_phi): Removed.
472         (warn_uninitialized_vars): Changed to extern.
473         (execute_late_warn_uninitialized): Removed
474         * tree-flow.h: Add new prototypes.
475         * timevar.def: Add new time variable.
476         * Makefile.in: Add new build file.
477
478 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
479
480         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
481         type if available.
482
483 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
484
485         PR target/22224
486         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
487
488 2010-04-28  Martin Jambor  <mjambor@suse.cz>
489
490         * cgraph.h (struct cgraph_node): New field indirect_calls.
491         (struct cgraph_indirect_call_info): New type.
492         (struct cgraph_edge): Removed field indirect_call. New fields
493         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
494         (cgraph_create_indirect_edge): Declare.
495         (cgraph_make_edge_direct): Likewise.
496         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
497         * ipa-prop.h (struct ipa_param_call_note): Removed.
498         (struct ipa_node_params): Removed field param_calls.
499         (ipa_create_all_structures_for_iinln): Declare.
500         * cgraph.c: Described indirect edges and uids in initial comment.
501         (cgraph_add_edge_to_call_site_hash): New function.
502         (cgraph_edge): Search also among the indirect edges, use
503         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
504         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
505         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
506         site hash.
507         (initialize_inline_failed): Assign a reason to indirect edges.
508         (cgraph_create_edge_1): New function.
509         (cgraph_create_edge): Moved some functionality to
510         cgraph_create_edge_1.
511         (cgraph_create_indirect_edge): New function.
512         (cgraph_edge_remove_callee): Add an assert checking for
513         non-indirectness.
514         (cgraph_edge_remove_caller): Special-case indirect edges.
515         (cgraph_remove_edge): Likewise.
516         (cgraph_set_edge_callee): New function.
517         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
518         (cgraph_make_edge_direct): New function.
519         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
520         the declaration of the call statement matches.
521         (cgraph_node_remove_callees): Special-case indirect edges.
522         (cgraph_clone_edge): Likewise.
523         (cgraph_clone_node): Clone also the indirect edges.
524         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
525         indirect_call, dump count of indirect_calls edges.
526         * ipa-prop.c (iinlining_processed_edges): New variable.
527         (ipa_note_param_call): Create indirect edges instead of
528         creating notes.  New parameter node.
529         (ipa_analyze_call_uses): New parameter node, pass it on to
530         ipa_note_param_call.
531         (ipa_analyze_stmt_uses): Likewise.
532         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
533         (print_edge_addition_message): Work on edges rather than on notes.
534         (update_call_notes_after_inlining): Likewise, renamed to
535         update_indirect_edges_after_inlining.
536         (ipa_create_all_structures_for_iinln): New function.
537         (ipa_free_node_params_substructures): Do not free notes.
538         (ipa_edge_duplication_hook): Propagate bits within
539         iinlining_processed_edges bitmap.
540         (ipa_node_duplication_hook): Do not duplicate notes.
541         (free_all_ipa_structures_after_ipa_cp): Renamed to
542         ipa_free_all_structures_after_ipa_cp.
543         (free_all_ipa_structures_after_iinln): Renamed to
544         ipa_free_all_structures_after_iinln.g
545         (ipa_write_param_call_note): Removed.
546         (ipa_read_param_call_note): Removed.
547         (ipa_write_indirect_edge_info): New function.
548         (ipa_read_indirect_edge_info): Likewise.
549         (ipa_write_node_info): Do not stream notes, do stream information
550         in indirect edges.
551         (ipa_read_node_info): Likewise.
552         (lto_ipa_fixup_call_notes): Removed.
553         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
554         * ipa-inline.c (pass_ipa_inline): Likewise.
555         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
556         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
557         * tree-inline.c (copy_bb): Removed an unnecessary double check for
558         is_gimple_call.
559         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
560         edges.
561         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
562         (output_cgraph): Stream also indirect edges.
563         (lto_output_edge): Added capability to stream indirect edges.
564         (input_edge): Likewise.
565         (input_cgraph_1): Likewise.
566         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
567         of indirect edges.
568
569 2010-04-28  Richard Guenther  <rguenther@suse.de>
570
571         PR tree-optimization/43879
572         PR tree-optimization/43909
573         * tree-ssa-structalias.c (struct variable_info): Add
574         only_restrict_pointers flag.
575         (new_var_info): Initialize it.  Increment stats.total_vars here.
576         (create_function_info_for): Do not increment stats.total_vars
577         here.
578         (get_function_part_constraint): Fix build with C++.
579         (insert_into_field_list): Remove.
580         (push_fields_onto_fieldstack): Properly merge fields.
581         (create_variable_info_for): Split and simplify.
582         (create_variable_info_for_1): New piece.
583         (intra_create_variable_infos): Properly make restrict constraints
584         from parameters.
585
586 2010-04-28  Richard Guenther  <rguenther@suse.de>
587
588         PR c++/43880
589         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
590
591 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
592             Jan Hubicka <hubicka@ucw.cz>
593
594         * doc/invoke.texi (-Wsuggest-attribute=const,
595         -Wsuggest-attribute=pure): Document.
596         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
597         (function_always_visible_to_compiler_p,
598         suggest_attribute, warn_function_pure, warn_function_const):
599         New functions.
600         (check_call): Improve debug info.
601         (analyze_function): Do not check availability.
602         (add_new_function): Check availability.
603         (propagate): Output warnings.
604         (skip_function_for_local_pure_const): New function.
605         (local_pure_const): Use it; output warnings.
606         * common.opt (Wsuggest-attribute=const,
607         Wsuggest-attribute=pure): New.
608
609 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
610
611         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
612         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
613         or DW_CFA_def_cfa_offset{,_sf}.
614
615 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
616
617         * tree.h: Fix truncated long macros.
618
619 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
620
621         * collect2.c (TARGET_64BIT): Redefine to target's default.
622         * tlink.c: Likewise.
623         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
624         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
625         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
626         for underscoring __USER_LABEL_PREFIX__.
627         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
628         (SUB_LINK_ENTRY32): New.
629         (SUB_LINK_ENTRY64): New.
630         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
631         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
632         (SUB_LINK_ENTRY64): New.
633         (SUB_LINK_ENTRY): New.
634         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
635         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
636         x64 target is choosen.
637         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
638         * configure: Regenerated.
639         * configure.ac (leading-mingw64-underscores): Option added.
640
641 2010-04-27  Jan Hubicka  <jh@suse.cz>
642
643         * doc/invoke.texi (-fipa-profile): Document.
644         * opts.c (decode_options): Enable ipa-profile at -O1.
645         * timevar.def (TV_IPA_PROFILE): Define.
646         * common.opt (fipa-profile): Add.
647         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
648         flag for clones.
649         (cgraph_propagate_frequency): Handle only local ones.
650         * tree-pass.h (pass_ipa_profile): Declare.
651         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
652         (pass_ipa_profile): Use TV_IPA_PROFILE.
653         * ipa.c (ipa_profile): New function.
654         (gate_ipa_profile): Likewise.
655         (pass_ipa_profile): New global variable.
656         * passes.c (pass_ipa_profile): New.
657
658 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
659
660         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
661
662 2010-04-27  Martin Jambor  <mjambor@suse.cz>
663
664         PR middle-end/43812
665         * ipa.c (dissolve_same_comdat_group_list): New function.
666         (function_and_variable_visibility): Call
667         dissolve_same_comdat_group_list when comdat group contains external or
668         newly local nodes.
669         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
670         lists are circular and that they contain only DECL_ONE_ONLY nodes.
671
672 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
673
674         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
675         (const_hash_1) <VECTOR_CST>: New case.
676         (compare_constant) <VECTOR_CST>: Likewise.
677         <ADDR_EXPR>: Deal with LABEL_REFs.
678         (copy_constant) <VECTOR_CST>: New case.
679
680 2010-04-27  Jan Hubicka  <jh@suse.cz>
681
682         * cgraph.c (cgraph_propagate_frequency): New function.
683         * cgraph.h (cgraph_propagate_frequency): Declare.
684         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
685         cgraph_propagate_frequency.
686
687 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
688
689         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
690
691 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
692
693         PR target/40657
694         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
695         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
696         here to determine which regs to push and how much stack to reserve.
697
698 2010-04-27  Jie Zhang  <jie@codesourcery.com>
699
700         * doc/gimple.texi (gimple_statement_with_ops): Remove
701         addresses_taken field.
702         (gimple_statement_with_memory_ops): Likewise.
703
704 2010-04-27  Jan Hubicka  <jh@suse.cz>
705
706         * tree-inline.c (eni_inlining_weights): Remove.
707         (estimate_num_insns): Special case more builtins.
708
709 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
710
711         PR c/32207
712         * c-typeck.c (build_binary_op): Move forward check for comparison
713         pointer with null pointer constant and adjust the diagnostic message.
714
715 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
716
717         PR lto/42776
718         * configure.ac (gcc_cv_as_section_has_align): Set if installed
719         binutils supports extended .section directive needed by LTO, or
720         warn if older binutils found.
721         (LTO_BINARY_READER): New AC_SUBST'd variable.
722         (LTO_USE_LIBELF): Likewise.
723         * gcc/config.gcc (lto_binary_reader): New target-specific configure
724         variable.
725         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
726         (LTO_USE_LIBELF): Likewise.
727         * configure: Regenerate.
728
729         * collect2.c (is_elf): Rename from this ...
730         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
731          object files in addition to ELF-formatted ones.
732         (scan_prog_file): Caller updated.  Also allow for LTO info marker
733         symbol to be prefixed or not by an extra underscore.
734
735         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
736         * config/i386/winnt.c: Also #include lto-streamer.h
737         (i386_pe_asm_named_section): Specify 1-byte section alignment for
738         LTO named sections.
739         (i386_pe_asm_output_aligned_decl_common): Add comment.
740         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
741
742 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
743
744         PR target/43889
745         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
746         Add missing earlyclobber for second alternative.
747
748 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
749
750         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
751         bits for artificial defs at the top of the block.
752         * fwprop.c (single_def_use_enter_block): Don't call it.
753
754 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
755
756         PR 43715
757         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
758         instead of "$gcc_cv_objdump -T".
759         Use "-undefined dynamic_lookup" on darwin.
760         * gcc/configure: Regenerate.
761
762 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
763
764         PR c/43893
765         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
766
767 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
768
769         * c-parser.c (struct c_token): Move location field up.
770         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
771         (struct c_declspecs): Convert typespec_word, storage_class, and
772         default_int_p into bitfields.
773         (struct c_declarator): Move loc field up.
774
775 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
776
777         * cfgloop.h (struct loop): Move can_be_parallel field up.
778         * ipa-prop.h (struct ip_node_params): Move bitfields up.
779         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
780         down.
781         (struct iv_cand): Convert pos field into a bitfield.
782         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
783         field up.
784         (struct _stmt_vec_info): Shuffle fields for better packing.
785
786 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
787
788         * varasm.c (IN_NAMED_SECTION): Remove guard.
789         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
790         (IN_NAMED_SECTION_P): ...this.
791         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
792         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
793
794 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
795
796         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
797         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
798         of shadowing it.  Fix comments.
799
800 2010-04-26  Jan Hubicka  <jh@suse.cz>
801
802         * cgraph.c (cgraph_create_node): Set node frequency to normal.
803         (cgraph_clone_node): Copy function frequency.
804         * cgraph.h (node_frequency): New enum
805         (struct cgraph_node): Add.
806         * final.c (rest_of_clean_state): Update.
807         * lto-cgraph.c (lto_output_node): Output node frequency.
808         (input_overwrite_node): Input node frequency.
809         * tre-ssa-loop-ivopts (computation_cost): Update.
810         * lto-streamer-out.c (output_function): Do not output function
811         frequency.
812         * predict.c (maybe_hot_frequency_p): Update and handle functions
813         executed once.
814         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
815         attribute lookup.
816         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
817         (compute_function_frequency): Set noreturn functions to be executed
818         once.
819         (choose_function_section): Update.
820         * lto-streamer-in.c (input_function): Do not input function frequency.
821         * function.c (allocate_struct_function): Do not initialize function
822         frequency.
823         * function.h (function_frequency): Remove.
824         (struct function): Remove function frequency.
825         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
826         (try_update): Update.
827         * tree-inline.c (initialize_cfun): Do not update function frequency.
828         * passes.c (pass_init_dump_file): Update.
829         * i386.c (ix86_compute_frame_layout): Update.
830         (ix86_pad_returns): Update.
831
832 2010-04-26  Jie Zhang  <jie@codesourcery.com>
833
834         PR tree-optimization/43833
835         * tree-vrp.c (range_int_cst_p): New.
836         (range_int_cst_singleton_p): New.
837         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
838         when both operands are constants.  Use range_int_cst_p in
839         BIT_IOR_EXPR case.
840
841 2010-04-26  Jan Hubicka  <jh@suse.cz>
842
843         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
844
845 2010-04-26  Richard Guenther  <rguenther@suse.de>
846
847         PR lto/43080
848         * gimple.c (gimple_decl_printable_name): Deal gracefully
849         with a NULL DECL_NAME.
850
851 2010-04-26  Richard Guenther  <rguenther@suse.de>
852
853         PR lto/42425
854         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
855         if emitting debug information and it is either a function
856         or a namespace decl.
857
858 2010-04-26  Ira Rosen  <irar@il.ibm.com>
859
860         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
861         determine if the statement is vectorizable, and a macro to access it.
862         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
863         Skip statements that can't be vectorized. If the analysis fails,
864         mark the statement as unvectorizable if vectorizing basic block.
865         (vect_compute_data_refs_alignment): Likewise.
866         (vect_verify_datarefs_alignment): Skip statements marked as
867         unvectorizable. Add print.
868         (vect_analyze_group_access): Skip statements that can't be
869         vectorized. If the analysis fails, mark the statement as
870         unvectorizable if vectorizing basic block.
871         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
872         * tree-vect-stmts.c (vectorizable_store): Fix the number of
873         generated stmts for SLP.
874         (new_stmt_vec_info): Initialize the new field.
875         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
876         statements marked as unvectorizable.
877
878 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
879
880         * c-common.c (flag_isoc1x): New.
881         (flag_isoc99): Update comment.
882         * c-common.h (flag_isoc1x): New.
883         (flag_isoc99): Update comment.
884         * c-cppbuiltin.c (builtin_define_float_constants): Also define
885         __<type>_DECIMAL_DIG__.
886         * c-opts.c (set_std_c1x): New.
887         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
888         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
889         * c.opt (-std=c1x, -std=gnu1x): New options.
890         * doc/cpp.texi: Mention -std=c1x.
891         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
892         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
893         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
894         * doc/standards.texi: Mention C1X.
895         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
896         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
897         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
898         Define for C1X.
899
900 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
901
902         * config/i386/gmon-sol2.c (_mcleanup): Change format string
903         placeholder from 0x%x to %#x.
904         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
905         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
906         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
907         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
908         * config/i386/i386.c (ix86_target_string): Ditto.
909         (output_pic_addr_const): Ditto.
910         (print_operand): Ditto.
911
912 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
913
914         * combine.c (find_split_point): Add third argument.  Use it
915         to find nested multiply-accumulate instructions.  Adjust calls.
916         (try_combine): Adjust call to find_split_point.
917
918 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
919
920         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
921
922 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
923
924         PR tree-optimization/41442
925         * fold-const.c (merge_truthop_with_opposite_arm): New function.
926         (fold_binary_loc): Call it.
927
928 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
929
930         * toplev.c (general_init): Set default for fdiagnostics-show-option.
931         * opts.c (common_handle_option): Allow disabling it.
932         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
933
934 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
935
936         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
937         between modes if both types are integral.
938
939 2010-04-23  Richard Guenther  <rguenther@suse.de>
940
941         PR tree-optimization/43572
942         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
943
944 2010-04-23  Richard Guenther  <rguenther@suse.de>
945
946         PR lto/43455
947         * tree-inline.c (tree_can_inline_p): Also check compatibility
948         of return types.
949
950 2010-04-23  Martin Jambor  <mjambor@suse.cz>
951
952         PR tree-optimization/43846
953         * tree-sra.c (struct access): New flag grp_assignment_read.
954         (build_accesses_from_assign): Set grp_assignment_read.
955         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
956         (enum mark_read_status): New type.
957         (analyze_access_subtree): Propagate grp_assignment_read, create
958         accesses also if both direct_read and root->grp_assignment_read.
959
960 2010-04-23  Martin Jambor  <mjambor@suse.cz>
961
962         PR middle-end/43835
963         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
964         function does not have type attributes.
965
966 2010-04-23  Richard Guenther  <rguenther@suse.de>
967
968         PR lto/42653
969         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
970         of FUNCTION_DECLs.
971
972 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
973
974         * sese.h (create_if_region_on_edge): Remove.
975
976         * sese.c (create_if_region_on_edge): Make static.
977
978         * tree-inline.c: Do not include ggc.h.
979
980         * expr.c: Do not include ggc.h.
981
982         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
983         dependencies.
984
985 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
986
987         PR target/43744
988         * config/sh/sh.c (find_barrier): Don't emit a constant pool
989         in the middle of insns for casesi_worker_2.
990
991 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
992
993         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
994
995 2010-04-22  Ira Rosen  <irar@il.ibm.com>
996
997         PR tree-optimization/43842
998         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
999         loop unrolling in update of exit phis. Fix comment.
1000         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1001         least two reduction statements in the loop before starting SLP
1002         analysis.
1003
1004 2010-04-22  Nick Clifton  <nickc@redhat.com>
1005
1006         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1007
1008 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1009
1010         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1011         to simplify a + ~a.
1012
1013 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1014
1015         * tree-parloops.c (loop_parallel_p): New argument
1016         parloop_obstack.  Pass it down.
1017         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1018         pass it down, free it.
1019
1020         * tree-loop-linear.c (linear_transform_loops): Pass down
1021         lambda_obstack.
1022
1023         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1024         of type struct obstack *.
1025
1026         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1027         scratch_obstack.  Initialize it, pass down, free it.
1028
1029         * lambda.h (lambda_loop_new): Remove.
1030         (lambda_matrix_new, lambda_matrix_inverse)
1031         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1032         argument of type struct obstack *.
1033
1034         * lambda-trans.c (lambda_trans_matrix_new): New argument
1035         lambda_obstack.  Pass it down, use obstack allocation for ret.
1036         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1037         it down.
1038
1039         * lambda-mat.c (lambda_matrix_get_column)
1040         (lambda_matrix_project_to_null): Remove.
1041         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1042         allocation for mat.
1043         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1044         lambda_obstack.
1045
1046         * lambda-code.c (lambda_loop_new): New function.
1047         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1048         (lambda_compute_auxillary_space, lambda_compute_target_space)
1049         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1050         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1051         (build_access_matrix): New argument lambda_obstack.  Use obstack
1052         allocation for am.
1053         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1054         argument lambda_obstack.  Pass it down.
1055
1056 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1057
1058         * optabs.h (expand_widening_mult): Declare.
1059
1060 2010-04-22  Richard Guenther  <rguenther@suse.de>
1061
1062         PR tree-optimization/43845
1063         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1064         lookup the CALL_EXPR function and arguments.
1065
1066 2010-04-22  Nick Clifton  <nickc@redhat.com>
1067
1068         * config/stormy16/stormy16.c
1069         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1070         * config/stormy16/stormy16.h: Tidy up formatting.
1071         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1072         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1073         (ineqbranchsi): Delete pattern.
1074         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1075         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1076         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1077         stormy16-lib2-ucmpsi2.c.
1078
1079 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1080
1081         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1082         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1083         extra set merge_set_noclobber, and use it to relax the final test
1084         slightly.
1085         * df.h (df_simulate_find_noclobber_defs): Declare.
1086         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1087         conditional defs.
1088         (df_simulate_find_noclobber_defs): New function.
1089
1090 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1091
1092         * config/i386/i386.md: Use {} around multi-line preparation statements.
1093
1094 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1095
1096         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1097         (process_init_element): New argument of type struct obstack *.
1098
1099         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1100         (set_init_index, set_init_label, set_nonincremental_init)
1101         (set_nonincremental_init_from_string, find_init_member)
1102         (output_init_element, output_pending_init_elements)
1103         (process_init_element): New argument braced_init_obstack.  Pass it
1104         down.
1105         (push_range_stack, add_pending_init): New argument
1106         braced_init_obstack.  Use obstack allocation.
1107
1108         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1109         braced_init_obstack.  Pass it down.
1110         (c_parser_braced_init): New variables ret, braced_init_obstack.
1111         Initialize obstack, pass it down and finally free it.
1112
1113 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1114
1115         PR middle-end/29274
1116         * tree-pass.h (pass_optimize_widening_mul): Declare.
1117         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1118         gate_optimize_widening_mul): New static functions.
1119         (pass_optimize_widening_mul): New.
1120         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1121         <case MULT_EXPR>: Remove support for widening multiplies.
1122         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1123         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1124         simplify_gen_unary rather than directly building extensions.
1125         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1126         WIDEN_MULT_EXPR.
1127         * expmed.c (expand_widening_mult): New function.
1128         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1129
1130 2010-04-21  Jan Hubicka  <jh@suse.cz>
1131
1132         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1133         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1134         * lto-wpa-fixup.c: Remove.
1135         * Makefile.in (lto-wpa-fixup.o): Remove.
1136         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1137         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1138         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1139
1140 2010-04-21  Jan Hubicka  <jh@suse.cz>
1141
1142         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1143         add write_optimization_summary, read_optimization_summary.
1144         (ipa_write_summaries_of_cgraph_node_set): Remove.
1145         (ipa_write_optimization_summaries): Declare.
1146         (ipa_read_optimization_summaries): Declare.
1147         * ipa-cp.c (pass_ipa_cp): Update.
1148         * ipa-reference.c (pass_ipa_reference): Update.
1149         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1150         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1151         Update.
1152         * ipa-inline.c (pass_ipa_inline): Update.
1153         * ipa.c (pass_ipa_whole_program): Update.
1154         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1155         * passes.c (ipa_write_summaries_1): Do not test wpa.
1156         (ipa_write_optimization_summaries_1): New.
1157         (ipa_write_optimization_summaries): New.
1158         (ipa_read_summaries): Do not test ltrans.
1159         (ipa_read_optimization_summaries_1): New.
1160         (ipa_read_optimization_summaries): New.
1161
1162 2010-04-21  Jan Hubicka  <jh@suse.cz>
1163
1164         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1165         for boundary nodes.
1166         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1167
1168 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1169
1170         PR debug/40040
1171         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1172         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1173
1174 2010-04-21  Jan Hubicka  <jh@suse.cz>
1175
1176         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1177
1178 2010-04-21  Jan Hubicka  <jh@suse.cz>
1179
1180         * varpool.c (decide_is_variable_needed): Variable is always needed
1181         during ltrans.
1182
1183 2010-04-21  Jan Hubicka  <jh@suse.cz>
1184
1185         * opts.c (decode_options): Enable pure-const pass for whopr.
1186
1187 2010-04-21  Jan Hubicka  <jh@suse.cz>
1188
1189         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1190         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1191         at WPA dumping.
1192         (cgraph_decide_inlining): Do not expect callee to be removed in all
1193         cases.
1194
1195 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1196
1197         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1198
1199 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1200
1201         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1202         amdfam10_decode attributes.
1203
1204 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1205
1206         PR middle-end/43570
1207         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1208         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1209         (lower_copyprivate_clauses): Use private var in outer
1210         context instead of original var.  Make sure the types
1211         are correct for VLAs.
1212
1213 2010-04-21  Richard Guenther  <rguenther@suse.de>
1214
1215         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1216         to non-pointer objects.
1217
1218 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1219
1220         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1221         last chain entry if it starts with the still current label.
1222         (add_location_or_const_value_attribute): Check that
1223         loc_list->first->next is NULL instead of comparing ->first with ->last.
1224         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1225         to add_var_loc_to_decl.
1226
1227         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1228         >= 4 add also address size and segment size fields into CIE header.
1229
1230         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1231         long as address size is the same as sizeof (void *) and
1232         segment size is 0.
1233         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1234         address size or segment size is unexpected, return DW_EH_PE_omit.
1235         (classify_object_over_fdes): If get_cie_encoding returned
1236         DW_EH_PE_omit, return -1.
1237         (init_object): If classify_object_over_fdes returned -1,
1238         pretend there were no FDEs at all.
1239
1240 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1241
1242         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1243         bswap{si,di}2 using SWI48 mode iterator.
1244         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1245         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1246         set modrm attribute of bswap insn to 0 and remove length attribute.
1247         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1248         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1249         set mode attribute to <MODE> and remove length attribute.
1250
1251 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1252
1253         PR rtl-optimization/43520
1254         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1255         zero available registers.
1256
1257 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1258
1259         * builtins.c (fold_builtin_cproj): Fold more cases.
1260
1261 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1262
1263         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1264         (fold_builtin_1): Fold builtin cproj.
1265         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1266         Use ATTR_CONST_NOTHROW_LIST.
1267
1268 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1269
1270         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1271         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1272         ffsi2_no_cmove for !TARGET_CMOVE.
1273         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1274         (ffssi2): Remove expander.
1275         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1276         mode iterator.
1277         (ctz<mode>2): Ditto from ctz{si,di}2.
1278         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1279         mode iterator.
1280         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1281         mode iterator.
1282
1283 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1284
1285         * dwarf2out.c (AT_linkage_name): Define.
1286         (clone_as_declaration): Handle DW_AT_linkage_name.
1287         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1288         of DW_AT_MIPS_linkage_name.
1289         (move_linkage_attr): Likewise.
1290         (dwarf2out_finish): Likewise.
1291
1292 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1293
1294         PR middle-end/41952
1295         * fold-const.c (fold_comparison): New folding rule.
1296
1297 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1298
1299         * double-int.h (double_int_setbit): Declare.
1300         * double-int.c (double_int_setbit): New function.
1301         * rtl.h (immed_double_int_const): Declare.
1302         * emit-rtl.c (immed_double_int_const): New function.
1303         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1304         and immed_double_int_const functions.
1305         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1306         expand_copysign_bit):  (Ditto.).
1307         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1308         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1309         * dojump.c (prefer_and_bit_test): (Ditto.).
1310         * expr.c (convert_modes, reduce_to_bit_field_precision,
1311         const_vector_from_tree): (Ditto.).
1312         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1313
1314 2010-04-20  Jan Hubicka  <jh@suse.cz>
1315
1316         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1317         (dump_cgraph_node): Dump new flags.
1318         * cgraph.h (struct cgraph_node): Add flags
1319         reachable_from_other_partition and in_other_partition.
1320         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1321         other partition can not be removed.
1322         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1323         the other partition must be output; silence sanity checking on
1324         leaking functions bodies from other paritition.
1325         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1326         (lto_output_node): Output new flags; do not sanity check that inline
1327         clones are output; drop lto_forced_extern_inline_p code; do not mock
1328         visibility flags at partition boundaries.
1329         (add_node_to): New function.
1330         (output_cgraph): Use it to sort functions so masters appear before
1331         clones.
1332         (input_overwrite_node): Input new flags.
1333         * passes.c (ipa_write_summaries): Do not call
1334         lto_new_extern_inline_states.
1335         * lto-section-out.c (forced_extern_inline,
1336         lto_new_extern_inline_states lto_delete_extern_inline_states,
1337         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1338         * lto-streamer.h (lto_new_extern_inline_states,
1339         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1340         lto_forced_extern_inline_p): Kill.
1341
1342 2010-04-20  Richard Guenther  <rguenther@suse.de>
1343
1344         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1345         from vars that can have pointers.
1346         (process_constraint): Dump useless constraints.
1347
1348 2010-04-20  Richard Guenther  <rguenther@suse.de>
1349
1350         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1351         (dump_sa_points_to_info): Remove asserts.
1352         (init_base_vars): nothing_id isn't an escape point nor does it
1353         have pointers.
1354
1355 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1356
1357         * tree.h (TYPE_REF_IS_RVALUE): Define.
1358         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1359         should_move_die_to_comdat, prune_unused_types_walk): Handle
1360         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1361         (modified_type_die, gen_reference_type_die): Emit
1362         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1363         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1364
1365 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1366
1367         PR target/43635
1368         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1369         calls for -fpic -m31 if they have been sibcall optimized.
1370
1371 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1372
1373         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1374         ar.lc fixed and call-used.
1375
1376         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1377
1378 2010-04-19  Jan Hubicka  <jh@suse.cz>
1379
1380         * opts.c (decode_options): Disable whpr incompatible passes.
1381         * lto/lto.c (lto_1_to_1_map): Skip clones.
1382         (read_cgraph_and_symbols): Do not mark everything as needed.
1383         (do_whole_program_analysis): Do map only after optimizing;
1384         set proper cgraph_state; use passmanager.
1385
1386 2010-04-19  DJ Delorie  <dj@redhat.com>
1387
1388         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1389         POINTER_PLUS_EXPR and fix them.
1390
1391 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1392
1393         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1394         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1395         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1396         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1397         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1398         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1399         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1400         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1401         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1402         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1403         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1404
1405 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1406
1407         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1408         (check_cond_move_block): Likewise.
1409         (cond_move_process_if_block): Likewise.
1410         (noce_find_if_block): Improve formatting.
1411         (find_if_header): Pass 0 to memset and tweak conditions.
1412         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1413
1414 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1415
1416         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1417         for -gdwarf-4.
1418
1419         PR middle-end/43337
1420         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1421         with non-local decl doesn't need chain.
1422
1423 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1424
1425         * ira-color.c (allocno_reload_assign): Avoid accumulating
1426         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1427
1428 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1429
1430         * gimple.h (create_tmp_reg): Declare.
1431         * gimplify.c (create_tmp_reg): New function.
1432         (gimplify_return_expr): Use create_tmp_reg.
1433         (gimplify_omp_atomic): Likewise.
1434         (gimple_regimplify_operands): Likewise.
1435         * tree-dfa.c (make_rename_temp): Likewise.
1436         * tree-predcom.c (predcom_tmp_var): Likewise.
1437         (reassociate_to_the_same_stmt): Likewise.
1438         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1439         (get_replaced_param_substitute): Likewise.
1440         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1441         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1442         * tree-ssa-pre.c (get_representative_for): Likewise.
1443         (create_expression_by_pieces): Likewise.
1444         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1445         (create_tailcall_accumulator): Likewise.
1446
1447 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1448
1449         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1450         new_stmt.
1451         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1452
1453 2010-04-19  Richard Guenther  <rguenther@suse.de>
1454
1455         PR tree-optimization/43796
1456         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1457         from SCEV in the lattice.
1458         (vrp_visit_phi_node): Dump change.
1459
1460 2010-04-19  Richard Guenther  <rguenther@suse.de>
1461
1462         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1463         * configure: Re-generated.
1464
1465 2010-04-19  Richard Guenther  <rguenther@suse.de>
1466
1467         PR tree-optimization/43783
1468         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1469         constant ARRAY_REF operands two and three if possible.
1470
1471 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         PR target/43766
1474         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1475
1476 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1477
1478         PR target/43662
1479         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1480
1481 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1482
1483         PR tree-optimization/37027
1484         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1485         and macro to access it.
1486         (vectorizable_reduction): Add argument.
1487         (vect_get_slp_defs): Likewise.
1488         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1489         statements for possible use in SLP.
1490         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1491         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1492         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1493         add new argument.
1494         (vectorizable_reduction): Likewise.
1495         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1496         vect_get_slp_defs.
1497         (vectorizable_type_demotion, vectorizable_type_promotion,
1498         vectorizable_store): Likewise.
1499         (vect_analyze_stmt): Update call to vectorizable_reduction.
1500         (vect_transform_stmt): Likewise.
1501         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1502         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1503         from different interleaving chains in same node.
1504         (vect_slp_rearrange_stmts): New function.
1505         (vect_supported_load_permutation_p): Allow load permutations for
1506         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1507         inside SLP nodes if necessary.
1508         (vect_analyze_slp_instance): Handle reductions.
1509         (vect_analyze_slp): Try to build SLP instances originating from groups
1510         of reductions.
1511         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1512         (vect_get_constant_vectors): Create initial vectors for reductions
1513         according to reduction code. Add new argument.
1514         (vect_get_slp_defs): Add new argument, pass it to
1515         vect_get_constant_vectors.
1516         (vect_schedule_slp_instance): Remove SLP tree root statements.
1517
1518 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1519
1520         * tree.h (ENUM_IS_SCOPED): Define.
1521         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1522         for ENUM_IS_SCOPED enums.
1523
1524 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1525
1526         * fold-const.c (fold_comparison): Use ssizetype.
1527         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1528         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1529         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1530         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1531
1532         * tree.h (initialize_sizetypes): Remove parameter.
1533         (build_common_tree_nodes): Remove second parameter.
1534         * stor-layout.c (initialize_sizetypes): Remove parameter.
1535         Always create an unsigned type.
1536         (set_sizetype): Assert that the passed type is unsigned and simplify.
1537         * tree.c (build_common_tree_nodes): Remove second parameter.
1538         Adjust call to initialize_sizetypes.
1539         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1540         build_common_tree_nodes.
1541
1542 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1543
1544         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1545
1546 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1547
1548         PR tree-optimization/43771
1549         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1550         load permutation doesn't have gaps.
1551
1552 2010-04-18  Jan Hubicka  <jh@suse.cz>
1553
1554         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1555         (sse_prologue_save_insn expander): Use new pattern.
1556         (sse_prologue_save_insn1): New pattern and splitter.
1557         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1558         blocks.
1559         * i386.c (setup_incoming_varargs_64): Do not compute jump
1560         destination here.
1561         (ix86_gimplify_va_arg): Update alignment needed.
1562         (ix86_local_alignment): Do not align all local arrays to 128bit.
1563
1564 2010-04-17  Jan Hubicka  <jh@suse.cz>
1565
1566         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1567
1568 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1569
1570         * arm.md (negdi2): Remove redundant code to force values into a
1571         register.
1572
1573 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1574
1575         * arm/bpabi.S: Add EABI alignment attributes to objects.
1576         * arm/bpabi-v6m.S: Likewise.
1577         * arm/crti.asm: Likewise.
1578         * arm/crtn.asm: Likewise.
1579         * arm/lib1funcs.asm: Likewise.
1580         * arm/libunwind.S: Likewise.
1581
1582 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1583
1584         * arm-protos.h (tune_params): New structure.
1585         * arm.c (current_tune): New variable.
1586         (arm_constant_limit): Delete.
1587         (struct processors): Add pointer to the tune parameters.
1588         (arm_slowmul_tune): New tuning option.
1589         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1590         (all_cores): Adjust to pick up the tuning model.
1591         (arm_constant_limit): New function.
1592         (arm_override_options): Select the appropriate tuning model.  Delete
1593         initialization of arm_const_limit.
1594         (arm_split_constant): Use the new constant-limit model.
1595         (arm_rtx_costs): Pick up the current tuning model.
1596         * arm.md (is_strongarm, is_xscale): Delete.
1597         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1598         for Xscale variant architectures.
1599         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1600
1601 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1602
1603         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1604         can_shift.
1605         (arm_rtx_costs_1): Remove unused variable extra_cost.
1606         (arm_unwind_emit_set): Use variable offset.
1607         (thumb1_output_casesi): Remove unused variable flags.
1608
1609 2010-04-16  Jeff Law  <law@redhat.com>
1610
1611         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1612         needing assignment rather than doing a two-phase assignment.  Remove
1613         unused variable 'm'.
1614
1615 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1616
1617         PR bootstrap/43767
1618         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1619
1620 2010-04-16  Doug Kwan  <dougkwan@google.com>
1621
1622         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1623         (next_operand_entry_id): New static variable.
1624         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1625         (add_to_ops_vec): Assigned unique ID to operand entry.
1626         (struct oecount_s): New field ID.
1627         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1628         (undistribute_ops_list): Assign unique IDs to oecounts.
1629         (init_reassoc): reset next_operand_entry_id.
1630
1631 2010-04-16  Doug Kwan  <dougkwan@google.com>
1632
1633         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1634         missing left parenthesis.
1635
1636 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1637
1638         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1639         *btdi_rex64 using SWI48 mode iterator.
1640         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1641         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1642         *jcc_btdi_mask_rex64.
1643
1644 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1645
1646         * double-int.h (tree_to_double_int): Convert to macro.
1647         * double-int.c (tree_to_double_int): Remove.
1648
1649 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1650
1651         PR debug/43762
1652         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1653         with want_address 2 and in case a single element list might be
1654         possible, call it again with want_address 0.
1655
1656 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1657
1658         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1659         case 'W' print operands for HI mode.
1660         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1661         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1662         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1663         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1664
1665         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1666
1667         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1668         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1669         #xx:3 and #xx:4 mode.
1670
1671         * config/h8300/h8300.md (inverted load with HImode dest): Add
1672         support for H8300SX.
1673
1674         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1675         satisfy 'U' constraint.
1676
1677 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1678
1679         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1680         * configure: Regenerate.
1681         * config.in: Regenerate.
1682         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1683         works.
1684
1685 2010-04-16  Richard Guenther  <rguenther@suse.de>
1686
1687         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1688         (struct tree_decl_common): ... here.
1689         (DECL_PT_UID): Adjust.
1690         (SET_DECL_PT_UID): Likewise.
1691         (DECL_PT_UID_SET_P): Likewise.
1692
1693 2010-04-16  Richard Guenther  <rguenther@suse.de>
1694
1695         PR tree-optimization/43572
1696         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1697         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1698         * tree-flow.h (is_call_clobbered): Remove.
1699         * tree-flow-inline.h (is_call_clobbered): Likewise.
1700         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1701         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1702         (execute_return_slot_opt): Adjust.
1703         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1704         check for call clobbered vars here.
1705         (find_tail_calls): Move tailcall verification to the
1706         proper place.
1707
1708 2010-04-16  Diego Novillo  <dnovillo@google.com>
1709
1710         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1711
1712 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1713
1714         PR target/40603
1715         * config/arm/arm.md (cbranchqi4): New pattern.
1716         * config/arm/predicates.md (const0_operand,
1717         cbranchqi4_comparison_operator): New predicates.
1718
1719 2010-04-16  Richard Guenther  <rguenther@suse.de>
1720
1721         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1722         (dump_gimple_stmt): Likewise.
1723
1724 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1725
1726         * recog.h (struct recog_data): New field is_operator.
1727         (struct insn_operand_data): New field is_operator.
1728         * recog.c (extract_insn): Set recog_data.is_operator.
1729         * genoutput.c (output_operand_data): Emit code to set the
1730         is_operator field.
1731         * reload.c (find_reloads): Use it rather than testing for an
1732         empty constraint string.
1733
1734         PR target/41514
1735         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1736         If the previous insn is a cbranchsi4_insn with the same arguments,
1737         omit the compare instruction.
1738
1739         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1740         register, inputs must be low registers and we need a low register
1741         scratch.  Handle alternative 2 like alternative 3.
1742
1743 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1744
1745         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1746         don't call get_addr on both.  If one expression is a VALUE and
1747         the other a REG, check VALUE's locs if the REG isn't among them.
1748
1749 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1750
1751         * config/sh/sh.h (sh_frame_pointer_required): New function.
1752         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1753         (flag_omit_frame_pointer) Set.
1754         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1755         (rounded_frame_size): Adjust size with outgoing_args_size.
1756         (sh_set_return_address): Must return from stack pointer.
1757         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1758         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1759         (ACCUMULATE_OUTGOING_ARGS): Define.
1760         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1761         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1762
1763 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1764
1765         PR target/43471
1766         * config/sh/sh.c (sh_legitimize_reload_address): Use
1767         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1768         Remove a unneeded check for offset_base.
1769
1770 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1771
1772         * configure: Regenerated.
1773
1774 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1775
1776         * config/s390/s390.c (s390_call_save_register_used): Switch back
1777         to HARD_REGNO_NREGS.
1778
1779 2010-04-15  Richard Guenther  <rguenther@suse.de>
1780
1781         * alias.c (alias_set_subset_of): Handle alias-set zero
1782         child properly.
1783
1784 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1785             Julian Brown  <julian@codesourcery.com>
1786
1787         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1788         alternatives according to use of high and low regs.
1789         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1790         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1791         optimizing for size on Thumb-2.
1792
1793 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1794
1795         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1796
1797 2010-04-15  Richard Guenther  <rguenther@suse.de>
1798
1799         * tree-ssa-structalias.c (struct variable_info): Add
1800         is_fn_info flag.
1801         (new_var_info): Initialize it.
1802         (dump_constraints): Support printing last added constraints.
1803         (debug_constraints): Adjust.
1804         (dump_constraint_graph): Likewise.
1805         (make_heapvar_for): Check for NULL cfun.
1806         (get_function_part_constraint): New function.
1807         (get_fi_for_callee): Likewise.
1808         (find_func_aliases): Properly implement IPA PTA constraints.
1809         (process_ipa_clobber): New function.
1810         (find_func_clobbers): Likewise.
1811         (insert_into_field_list_sorted): Remove.
1812         (create_function_info_for): Properly allocate vars for IPA mode.
1813         Do not use insert_into_field_list_sorted.
1814         (create_variable_info_for): Properly generate constraints for
1815         global vars in IPA mode.
1816         (dump_solution_for_var): Always dump the solution.
1817         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1818         (find_what_var_points_to): Adjust.
1819         (pt_solution_set): Change.
1820         (pt_solution_ior_into): New function.
1821         (pt_solution_empty_p): Export.
1822         (pt_solution_includes_global): Adjust.
1823         (pt_solution_includes_1): Likewise.
1824         (pt_solutions_intersect_1): Likewise.
1825         (dump_sa_points_to_info): Check some invariants.
1826         (solve_constraints): Move constraint dumping ...
1827         (compute_points_to_sets): ... here.
1828         (ipa_pta_execute): ... and here.
1829         (compute_may_aliases): Do not re-compute points-to info
1830         locally if IPA info is available.
1831         (ipa_escaped_pt): New global var.
1832         (ipa_pta_execute): Properly implement IPA PTA.
1833         * tree-into-ssa.c (dump_decl_set): Support dumping
1834         decls not in referenced-vars.
1835         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1836         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1837         (dump_points_to_solution): Likewise.
1838         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1839         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1840         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1841         (copy_decl_to_var): Copy DECL_PT_UID.
1842         (copy_result_decl_to_var): Likewise.
1843         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1844         (copy_node_stat): Copy it.
1845         * tree.h (DECL_PT_UID): New macro.
1846         (SET_DECL_PT_UID): Likewise.
1847         (DECL_PT_UID_SET_P): Likewise.
1848         (struct tree_decl_minimal): Add pt_uid member.
1849         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1850         (pt_solution_empty_p): Declare.
1851         (pt_solution_set): Adjust.
1852         (ipa_escaped_pt): Declare.
1853         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1854         * gimple-pretty-print.c (pp_points_to_solution): New function.
1855         (dump_gimple_call): Dump call clobber/use information.
1856         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1857         * tree-pass.h (TDF_ALIAS): New dump option.
1858         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1859         * doc/invoke.texi (-fipa-pta): Update documentation.
1860
1861 2010-04-15  Richard Guenther  <rguenther@suse.de>
1862
1863         * Makefile.in (OBJS-common): Add gimple-fold.o.
1864         (gimple-fold.o): New rule.
1865         * tree.h (maybe_fold_offset_to_reference,
1866         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1867         prototypes ...
1868         * gimple.h: ... here.
1869         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1870         may_propagate_address_into_dereference): Move prototypes ...
1871         * gimple.h: ... here.
1872         * tree-ssa-ccp.c (get_symbol_constant_value,
1873         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1874         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1875         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1876         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1877         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1878         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1879         gimplify_and_update_call_from_tree): Move ...
1880         * gimple-fold.c: ... here.  New file.
1881         (ccp_fold_builtin): Rename to ...
1882         (gimple_fold_builtin): ... this.
1883         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1884
1885 2010-04-15  Richard Guenther  <rguenther@suse.de>
1886
1887         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1888         fit_double_type, force_fit_type_double, add_double_with_sign,
1889         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1890         lrotate_double, rrotate_double, div_and_round_double): Move ...
1891         * double-int.c: ... here.
1892         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1893         add_double, neg_double, mul_double_with_sign, mul_double,
1894         lshift_double, rshift_double, lrotate_double, rrotate_double,
1895         div_and_round_double): Move prototypes ...
1896         * double-int.h: ... here.
1897
1898 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1899
1900         PR target/43742
1901         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1902         matching constraints to ensure inputs match the output.
1903
1904 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1905
1906         PR target/43742
1907         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1908         in an input-only operand.
1909
1910 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1911
1912         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1913         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1914         (double_int_negative_p): Convert to static inline function.
1915         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1916         (double_int_negative_p): Remove.
1917         * tree.h (lshift_double, rshift_double):
1918         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1919         * fold-const.c (fold_convert_const_int_from_real,
1920         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1921         (lshift_double): Change type of arith argument to bool.
1922         (rshift_double): Change type of arith argument to bool. Correct
1923         comment.
1924         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1925
1926 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1927
1928         PR target/21803
1929         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1930         at the start and end of the then/else blocks, and omit them from the
1931         conversion.
1932         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1933         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1934         (flow_find_head_matching_sequence): New function.
1935         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1936         * basic-block.h (flow_find_cross_jump,
1937         flow_find_head_matching_sequence): Declare functions.
1938
1939 2010-04-14  Jason Merrill  <jason@redhat.com>
1940
1941         PR c++/36625
1942         * c-common.c (attribute_takes_identifier_p): New fn.
1943         * c-common.h: Declare it.
1944
1945 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1946
1947         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1948         splitter condition.
1949         (*udivmod<mode>4): Ditto.
1950
1951 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1952
1953         * config/i386/i386.md (maxmin_int): Rename code attribute from
1954         maxminiprefix and update all users.
1955         (maxmin_float): Ditto from maxminfprefix.
1956         (logic): Ditto from logicprefix.
1957         (absneg_mnemonic): Ditto from absnegprefix.
1958         * config/i386/mmx.md: Update all users of maxminiprefix,
1959         maxminfprefix and logicprefix for rename.
1960         * config/i386/sse.md: Ditto.
1961         * config/i386/sync.md (sync_<code><mode>): Update for
1962         logicprefix rename.
1963
1964 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1965
1966         PR 42966
1967         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1968         warnings converted to errors.
1969
1970 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1971
1972         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1973         used insn_type variable.
1974         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1975         to avoid set-but-not-used warning.
1976
1977 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1978
1979         * df-core.c (df_ref_debug): Change format string placeholder
1980         from 0x%x to %#x.
1981         * dwarf2asm.c (dw2_asm_output_data_raw,
1982         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1983         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1984         * dwarf2out.c (output_cfi, output_cfi_directive,
1985         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1986         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1987         Ditto.
1988         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1989         * print-rtl.c (print_rtx): Ditto.
1990
1991 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1992
1993         PR middle-end/42694
1994         * builtins.c (expand_builtin_pow_root): New function to expand pow
1995         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1996         series of sqrt and cbrt calls under -ffast-math.
1997         (expand_builtin_pow): Call it.
1998
1999 2010-04-14  Michael Matz  <matz@suse.de>
2000
2001         PR tree-optimization/42963
2002         * tree-cfg.c (touched_switch_bbs): New static variable.
2003         (group_case_labels_stmt): New function broken out from ...
2004         (group_case_labels): ... here, use the above.
2005         (start_recording_case_labels): Allocate touched_switch_bbs.
2006         (end_recording_case_labels): Deallocate it, call
2007         group_case_labels_stmt.
2008         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2009
2010 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2011
2012         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2013         from insn template.
2014
2015 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2018
2019 2010-04-13  Jan Hubicka  <jh@suse.cz>
2020
2021         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2022         of optimized out static functions.
2023         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2024         cost computation.  Also sanity check for overflows.
2025         (update_caller_keys): Update cgraph_edge_badness call; properly
2026         update fibheap and sanity check that it is up to date.
2027         (add_new_edges_to_heap): Update cgraph_edge_badness.
2028         (cgraph_decide_inlining_of_small_function): Likewise;
2029         add sanity checking that badness in heap is up to date;
2030         improve dumping of reason; Update badness of calls to the
2031         offline copy of function currently inlined; dump badness
2032         of functions not inlined because of unit growth limits.
2033
2034 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2035
2036         PR middle-end/32628
2037         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2038         because of sign-extension change when converting to sizetype here...
2039         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2040
2041         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2042         the folding to constants.  Remove redundant final conversion.
2043         (fold_binary) <associate>: Do not associate if the re-association of
2044         constants alone overflows.
2045         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2046         to the end of the list.
2047         (multiple_of_p) <COND_EXPR>: New case.
2048
2049 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2050
2051         * opt-functions.awk (opt_sanitized_name): New.
2052         (opt_enum): New.
2053         * optc-gen.awk: Use it
2054         * opth-gen.awk: Use it.
2055
2056 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2057
2058         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2059         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2060         children.  Call replace_uses_with_default_def_ssa_name to handle
2061         SSA_NAES on lhs.
2062
2063 2010-04-13  Michael Matz  <matz@suse.de>
2064
2065         PR middle-end/43730
2066         * builtins.c (expand_builtin_interclass_mathfn): Also create
2067         a register if the predicate doesn't match.
2068
2069 2010-04-13  Diego Novillo  <dnovillo@google.com>
2070
2071         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2072         * c-pch.c: Include timevar.h.
2073         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2074         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2075         * ggc-common.c: Include timevar.h.
2076         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2077         * timevar.def (TV_PCH_SAVE): Define.
2078         (TV_PCH_CPP_SAVE): Define.
2079         (TV_PCH_PTR_REALLOC): Define.
2080         (TV_PCH_PTR_SORT): Define.
2081         (TV_PCH_RESTORE): Define.
2082         (TV_PCH_CPP_RESTORE): Define.
2083
2084 2010-04-13  Michael Matz  <matz@suse.de>
2085
2086         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2087         into MINUS_EXPRs.
2088         (can_reassociate_p): New function.
2089         (break_up_subtract_bb, reassociate_bb): Use it.
2090
2091 2010-04-13  Richard Guenther  <rguenther@suse.de>
2092
2093         PR bootstrap/43737
2094         * builtins.c (c_readstr): Fix assert.
2095
2096 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2097
2098         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2099         when generating cltd insn.
2100
2101         (*ashl<mode>3_1): Remove special handling for register operand 2.
2102         (*ashlsi3_1_zext): Ditto.
2103         (*ashlhi3_1): Ditto.
2104         (*ashlhi3_1_lea): Ditto.
2105         (*ashlqi3_1): Ditto.
2106         (*ashlqi3_1_lea): Ditto.
2107         (*<shiftrt_insn><mode>3_1): Ditto.
2108         (*<shiftrt_insn>si3_1_zext): Ditto.
2109         (*<shiftrt_insn>qi3_1_slp): Ditto.
2110         (*<rotate_insn><mode>3_1): Ditto.
2111         (*<rotate_insn>si3_1_zext): Ditto.
2112         (*<rotate_insn>qi3_1_slp): Ditto.
2113
2114 2010-04-13  Richard Guenther  <rguenther@suse.de>
2115
2116         * tree-ssa-structalias.c (callused_id): Remove.
2117         (call_stmt_vars): New.
2118         (get_call_vi): Likewise.
2119         (lookup_call_use_vi): Likewise.
2120         (lookup_call_clobber_vi): Likewise.
2121         (get_call_use_vi): Likewise.
2122         (get_call_clobber_vi): Likewise.
2123         (make_transitive_closure_constraints): Likewise.
2124         (handle_const_call): Adjust to do per-call call-used handling.
2125         (handle_pure_call): Likewise.
2126         (find_what_var_points_to): Remove general callused handling.
2127         (init_base_vars): Likewise.
2128         (init_alias_vars): Initialize call_stmt_vars.
2129         (compute_points_to_sets): Process call-used and call-clobbered
2130         vars for call statements.
2131         (delete_points_to_sets): Free call_stmt_vars.
2132
2133 2010-04-13  Richard Guenther  <rguenther@suse.de>
2134
2135         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2136         Only add RW dependence for dependence distance zero.
2137         Adjust maximal vectorization factor according to dependences.
2138         Move alignment handling ...
2139         (vect_find_same_alignment_drs): ... here.  New function.
2140         (vect_analyze_data_ref_dependences): Adjust.
2141         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2142         (vect_analyze_data_refs): Adjust minimal vectorization factor
2143         according to data references.
2144         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2145         dependences before determining the vectorization factor.
2146         Analyze alignment after determining the vectorization factor.
2147         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2148         dependences before alignment.
2149         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2150         Adjust prototype.
2151         (vect_analyze_data_refs): Likewise.
2152         (MAX_VECTORIZATION_FACTOR): New define.
2153
2154 2010-04-13  Duncan Sands  <baldrick@free.fr>
2155
2156         * except.h (lang_eh_type_covers): Remove.
2157         * except.c (lang_eh_type_covers): Likewise.
2158
2159 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2160             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2161
2162         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2163         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2164         UNITS_PER_LONG where it is ABI relevant.
2165         (s390_return_addr_rtx): Likewise.
2166         (s390_back_chain_rtx): Likewise.
2167         (s390_frame_area): Likewise.
2168         (s390_frame_info): Likewise.
2169         (s390_initial_elimination_offset): Likewise.
2170         (save_gprs): Likewise.
2171         (s390_emit_prologue): Likewise.
2172         (s390_emit_epilogue): Likewise.
2173         (s390_function_arg_advance): Likewise.
2174         (s390_function_arg): Likewise.
2175         (s390_va_start): Likewise.
2176         (s390_gimplify_va_arg): Likewise.
2177         (s390_function_profiler): Likewise.
2178         (s390_optimize_prologue): Likewise.
2179         (s390_rtx_costs): Likewise.
2180         (s390_secondary_reload): Likewise.
2181         (s390_promote_function_mode): Likewise.
2182         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2183         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2184         registers available.
2185         (s390_unwind_word_mode): New function.
2186         (s390_function_value): Split 64 bit values into register pair if
2187         used as return value.
2188         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2189         function call parameters.  Handle parallels.
2190         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2191         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2192         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2193         (s390_expand_setmem): Remove unused variable src_addr.
2194         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2195         deal with 64 bit registers.
2196         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2197         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2198         (UNITS_PER_LONG): New macro.
2199         * libjava/include/s390-signal.h: Define extended ucontext
2200         structure containing the upper halfs of the 64 bit registers.
2201
2202 2010-04-13  Simon Baldwin  <simonb@google.com>
2203
2204         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2205
2206 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2207
2208         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2209         rvalue on the RHS if the LHS is of a non-renamable type.
2210         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2211
2212 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2213
2214         * gcc.c (cc1_options): Handle -iplugindir before processing
2215         the cc1 spec. Only add -iplugindir once.
2216         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2217         found.
2218         * common.opt (iplugindir): Remove `Separate' property, initialize.
2219         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2220         option.
2221         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2222         (distclean): Remove plugin dir.
2223         * doc/invoke.texi: Document -iplugindir.
2224
2225 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2226
2227         * doc/plugins.texi (Loading Plugins): Document short
2228         -fplugin=foo option.
2229         (Plugin API): Mention default_plugin_dir_name function.
2230
2231         * gcc.c (find_file_spec_function): Add new declaration.
2232         (static_spec_func): Use it for "find-file".
2233         (find_file_spec_function): Add new function.
2234         (cc1_options): Add -iplugindir option if -fplugin* options found.
2235
2236         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2237
2238         * plugin.c (add_new_plugin): Updated comment, and handle short
2239         plugin name.
2240         (default_plugin_dir_name): Added new function.
2241
2242         * common.opt (iplugindir): New option to set the plugin directory.
2243
2244 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2245
2246         * config/i386/i386.md (any_rotate): New code iterator.
2247         (rotate_insn): New code attribute.
2248         (rotate): Ditto.
2249         (SWIM124): New mode iterator.
2250         (<rotate_insn>ti3): New expander.
2251         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2252         any_rotate code iterator.
2253         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2254         using any_rotate code iterator and SWIM124 mode iterator.
2255         (ix86_rotlti3): New insn_and_split pattern.
2256         (ix86_rotrti3): Ditto.
2257         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2258         ix86_rotl{di,ti}3 patterns.
2259         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2260         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2261         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2262         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2263         code iterator and SWI mode iterator.
2264         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2265         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2266         code iterator.
2267         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2268         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2269         (bswap rotatert splitter): Add splitter.
2270         (bswap splitter): Macroize splitter using any_rotate code iterator.
2271         Add insn predicate to split only for TARGET_USE_XCHGB or when
2272         optimizing function for size.
2273
2274 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2275
2276         * config/pa/pa.c (emit_move_sequence): Remove use of
2277         deleted variable flag_argument_noalias.
2278
2279 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2280
2281         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2282         configurations.
2283         Add to unsupported targets list.
2284         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2285         sparc*-sun-solaris2.[567]* from target lists.
2286         * configure: Regenerate.
2287         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2288         removal.
2289         Remove Solaris 7 patch references.
2290         (Specific, sparc-sun-solaris2.7): Removed.
2291         (sparc-sun-solaris2*): Update Solaris 7 example.
2292         (sparc64-*-solaris2*): Likewise.
2293
2294 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2295
2296         * config.build (alpha*-dec-osf4*): Remove.
2297         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2298         of obsolete configurations.
2299         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2300         support.
2301         * config/alpha/t-osf4: Renamed to ...
2302         * config/alpha/t-osf5: ... this.
2303         * config/alpha/osf.h: Renamed to ...
2304         * config/alpha/osf5.h: ... this.
2305         Merged old osf5.h contents.
2306         Update comments.
2307         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2308         (EXTRA_SPECS): Removed.
2309         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2310         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2311         Document that.
2312
2313 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2314
2315         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2316
2317 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2318
2319         PR/43702
2320         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2321         __thiscall convention.
2322
2323 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2324
2325         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2326         orig_base.
2327         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2328
2329 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2330
2331         * function.c (assign_parms_initialize_all): Add unused attribute
2332         to fntype.
2333
2334 2010-04-12  Richard Guenther  <rguenther@suse.de>
2335
2336         * gsstruct.def (GSS_CALL): New.
2337         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2338         * gimple.h: Include tree-ssa-alias.h.
2339         (struct gimple_statement_call): New.
2340         (union gimple_statement_struct_d): Add gimple_call member.
2341         (gimple_call_reset_alias_info): Declare.
2342         (gimple_call_use_set): New function.
2343         (gimple_call_clobber_set): Likewise.
2344         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2345         * gimple.c (gimple_call_reset_alias_info): New function.
2346         (gimple_build_call_1): Call it.
2347         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2348         * tree-inline.c (remap_gimple_stmt): Likewise.
2349         (expand_call_inline): Remove callused handling.
2350         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2351         * tree-dfa.c (dump_variable): Likewise.
2352         * tree-parloops.c (parallelize_loops): Likewise.
2353         * tree-ssa.c (init_tree_ssa): Likewise.
2354         (delete_tree_ssa): Likewise.
2355         * tree-flow-inline.h (is_call_used): Remove.
2356         * tree-flow.h (struct gimple_df): Remove callused member.
2357         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2358         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2359         (ref_maybe_used_by_call_p_1): Simplify.
2360         (call_may_clobber_ref_p_1): Likewise.
2361         * tree-ssa-structalias.c (compute_points_to_sets): Set
2362         the call stmt used and clobbered sets.
2363         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2364         (find_tail_calls): Verify the tail call.
2365
2366 2010-04-12  Richard Guenther  <rguenther@suse.de>
2367
2368         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2369         single-iteration always-inline inlining.
2370         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2371         (cgraph_decide_inlining): Do not handle always-inline specially.
2372         (try_inline): Remove always-inline cycle detection special case.
2373         Do not recurse on always-inlines.
2374         (cgraph_early_inlining): Do not iterate if not optimizing.
2375         (cgraph_gate_early_inlining): remove.
2376         (pass_early_inline): Run unconditionally.
2377         (gate_cgraph_decide_inlining): New function.
2378         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2379         not inlining or optimizing.
2380         (cgraph_decide_inlining_of_small_functions): Also consider
2381         always-inline functions.
2382         (cgraph_default_inline_p): Return true for nodes which should
2383         disregard inline limits.
2384         (estimate_function_body_sizes): Assume zero size and time for
2385         nodes which are marked as disregarding inline limits.
2386         (cgraph_decide_recursive_inlining): Do not perform recursive
2387         inlining on always-inline nodes.
2388
2389 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR bootstrap/43699
2392         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2393         for exprs satisfying handled_component_p.
2394
2395 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2396
2397         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2398         non-constant aggregate elements.
2399
2400         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2401         is a real initialization.
2402
2403 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2404
2405         PR c/36774
2406         * c-decl.c (start_function): Move forward check for nested function.
2407
2408 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2409
2410         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2411         * config/sh/sh.c: Include reload.h.
2412         (sh_legitimize_reload_address): New.
2413         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2414         sh_legitimize_reload_address.
2415
2416 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2417
2418         * config/sh/sh.md (*movqi_pop): New insn pattern.
2419         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2420
2421 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2422
2423         * config/i386/i386.md (any_shiftrt): New code iterator.
2424         (shiftrt_insn): New code attribute.
2425         (shiftrt): Ditto.
2426         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2427         using any_shiftrt code iterator.
2428         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2429         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2430         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2431         pattern from corresponding peephole2 patterns.
2432         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2433         using any_shiftrt code iterator.
2434         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2435         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2436         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2437         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2438         *{ashr,lshr}<mode>3_cmp_zext.
2439         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2440
2441 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2442
2443         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2444         scratch register.
2445         (*lshr<mode>3_cconly): Ditto.
2446
2447 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2448
2449         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2450         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2451         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2452         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2453         DWI mode iterator.
2454         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2455         from corresponding peephole2 patterns.
2456         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2457         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2458         and *lshrdi3_1_rex64 using SWI mode iterator.
2459         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2460         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2461         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2462         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2463         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2464         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2465         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2466         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2467         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2468         SWI mode iterator.
2469
2470 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2471
2472         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2473         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2474         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2475         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2476         DWI mode iterator.
2477         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2478         from corresponding peephole2 patterns.
2479         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2480         (ashrsi3_cvt): Rename from ashrsi3_31.
2481         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2482         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2483         and x86_64_shift_adj_3 using SWI48 mode iterator.
2484         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2485         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2486         and *ashrdi3_1_rex64 using SWI mode iterator.
2487         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2488         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2489         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2490         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2491         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2492         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2493         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2494         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2495         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2496         SWI mode iterator.
2497         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2498         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2499         x86_shift<mode>_adj_3 expanders.
2500
2501 2010-04-10  Wei Guozhi  <carrot@google.com>
2502
2503         PR target/42601
2504         * config/arm/arm.c (arm_pic_static_addr): New function.
2505         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2506         a static symbol.
2507         (arm_output_addr_const_extra): Output expression for new pattern.
2508         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2509
2510 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2511
2512         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2513         not enabled.
2514
2515         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2516         * web.c: Include "insn-config.h" and "recog.h".
2517         (union_match_dups): New function.
2518         (web_main): Call it.
2519         (union_defs): Don't try to recognize match_dups.
2520
2521         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2522         if doing so would replace the entire pattern.
2523
2524 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2525
2526         PR target/43707
2527         PR target/43709
2528         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2529         and splitter pattern.  Change splitter operand 1 predicate to
2530         nonmemory_operand.
2531
2532 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2533
2534         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2535         lattices are addresses of CONST_DECLs with the same initial value.
2536         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2537         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2538
2539 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2540             Bernd Schmidt  <bernds@codesourcery.com>
2541
2542         * loop-invariant.c (replace_uses): New static function.
2543         (move_invariant_reg): Use it to ensure we can replace the uses.
2544
2545 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2546
2547         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2548         function template.
2549         (picochip_override_options): Enable section anchors only above -O1.
2550         (picochip_reorg): Fixed a couple of build warnings.
2551
2552 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2553
2554         * configure.ac (plugin -rdynamic test): Log result.
2555         * configure: Regenerate.
2556         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2557         (RDYNAMIC_SPEC): Define.
2558         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2559
2560 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2561
2562         * configure.ac: Determine Sun ld version numbers.
2563         (comdat_group): Restrict GNU ld version checks to gld.
2564         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2565         (enable_comdat): Support --enable-comdat.
2566         * configure: Regenerate.
2567         * doc/install.texi (Configuration): Document --enable-comdat.
2568
2569 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2570
2571         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2572         * config/sol2-gld.h: ... here.
2573         * config.gcc (sparc*-*-solaris2*): Reflect this.
2574         (i[34567]86-*-solaris2*): Use it.
2575
2576 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2577
2578         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2579         setup_clocks_p.
2580         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2581
2582 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2583
2584         PR 42965
2585         * diagnostic.c (diagnostic_initialize): Initialize
2586         some_warnings_are_errors.
2587         (diagnostic_finish): New.
2588         (diagnostic_action_after_output): Call it before exiting.
2589         (diagnostic_report_diagnostic): Do not print message here. Set
2590         some_warnings_are_errors.
2591         * diagnostic.h (diagnostic_context): Delete
2592         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2593         (diagnostic_finish): Declare.
2594         * toplev.c (toplev_main): Call it before exit.
2595
2596 2010-04-09  Jason Merrill  <jason@redhat.com>
2597
2598         PR c++/42623
2599         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2600         for incomplete type.
2601
2602         PR c++/41788
2603         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2604         based on a warning flag.
2605
2606 2010-04-09  Richard Guenther  <rguenther@suse.de>
2607
2608         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2609
2610 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2611
2612         PR bootstrap/43684
2613         * varasm.c (default_assemble_visibility): Wrap vars that are
2614         set, but unused, by targets without GAS.
2615         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2616         Remove set, but unused, vars.
2617         (rs6000_legitimize_tls_address): Likewise.
2618         (altivec_expand_dst_builtin): Likewise.
2619         * config/darwin.c (machopic_classify_symbol): Likewise.
2620         (machopic_indirection_name): Likewise.
2621
2622 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2623
2624         * config/i386/i386.md (DWI): New mode iterator.
2625         (S): New mode attribute.
2626         (shift_operand): Ditto.
2627         (shift_immediate_operand): Ditto.
2628         (ashl_input_operand): Ditto.
2629         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2630         using SDWIM mode iterator.
2631         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2632         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2633         DWI mode iterator.
2634         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2635         from corresponding peephole2 patterns.
2636         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2637         and x86_64_shift_adj_1 using SWI48 mode iterator.
2638         (x86_shift<mode>_adj_2): Ditto.
2639         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2640         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2641         using SWI48 mode iterator.
2642         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2643         *ashldi3_cmp_rex64 using SWI mode iterator.
2644         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2645         *ashldi3_cconly_rex64 using SWI mode iterator.
2646         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2647         x86_shift<mode>_adj_{1,2}.
2648         (ix86_split_ashr): Ditto.
2649         (ix86_split_lshr): Ditto.
2650
2651 2010-04-09  Richard Guenther  <rguenther@suse.de>
2652
2653         * target.h (builtin_conversion): Pass in input and output types.
2654         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2655         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2656         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2657         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2658
2659         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2660         Handle AVX modes.
2661         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2662
2663 2010-04-09  Richard Guenther  <rguenther@suse.de>
2664
2665         PR target/43152
2666         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2667
2668 2010-04-09  Richard Guenther  <rguenther@suse.de>
2669
2670         * tree-vectorizer.h (struct _stmt_vec_info): Document
2671         that vectype is the type of the LHS.
2672         (supportable_widening_operation, supportable_narrowing_operation):
2673         Get both input and output vector types as arguments.
2674         (vect_is_simple_use_1): Declare.
2675         (get_same_sized_vectype): Likewise.
2676         * tree-vect-loop.c (vect_determine_vectorization_factor):
2677         Set STMT_VINFO_VECTYPE to the vector type of the def.
2678         (vectorizable_reduction): Adjust.
2679         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2680         Adjust.  Specify the output vector type.
2681         (vect_pattern_recog_1): Adjust.
2682         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2683         (vectorizable_call): Adjust.
2684         (vectorizable_conversion): Likewise.
2685         (vectorizable_operation): Likewise.
2686         (vectorizable_type_demotion): Likewise.
2687         (vectorizable_type_promotion): Likewise.
2688         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2689         the def.
2690         (vect_is_simple_use_1): New function.
2691         (supportable_widening_operation): Get both input and output
2692         vector types.
2693         (supportable_narrowing_operation): Likewise.
2694         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2695
2696 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2697
2698         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2699         __thiscall and _thiscall as predefined macros.
2700         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2701         thiscall attribute handling.
2702         (ix86_comp_type_attributes): Likewise.
2703         (ix86_function_regparm): Likewise.
2704         (ix86_return_pops_args): Likewise.
2705         (init_cumulative_args): Likewise.
2706         (find_drap_reg): Likewise.
2707         (ix86_static_chain): Likewise.
2708         (x86_this_parameter): Likewise.
2709         (x86_output_mi_thunk): Likewise.
2710         (ix86_attribute_table): Add description for thiscall attribute.
2711         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2712         * doc/extend.texi: Add documentation for thiscall.
2713
2714 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2715
2716         PR c++/28584
2717         * c.opt (Wint-to-pointer-cast): Available in C++.
2718         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2719
2720 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2721
2722         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2723         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2724         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2725         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2726         function type instead.  Reorder and simplify checks.
2727
2728         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2729
2730 2010-04-08  Jing Yu  <jingyu@google.com>
2731             Zdenek Dvorak  <ook@ucw.cz>
2732
2733         PR tree-optimization/42720
2734         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2735         loop unswitch conditions here from ...
2736         (tree_unswitch_single_loop): ... here.
2737
2738 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2739
2740         * tree-if-conv.c: Fix comments and simplify logic.
2741
2742 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2745         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2746         (main_tree_if_conversion): Update call to tree_if_conversion.
2747
2748 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2749
2750         PR 42485
2751         * doc/invoke.texi (-b,-V): Delete.
2752         * doc/tm.texi: Do not mention -b.
2753         * gcc.c (display_help): Delete -b and -V.
2754         (process_command): Delete -b and -V.
2755         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2756
2757 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2758             Wolfgang Gellerich  <gellerich@de.ibm.com>
2759
2760         Implement target hook for loop unrolling
2761         * target.h (loop_unroll_adjust): Add a new target hook function.
2762         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2763         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2764         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2765         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2766         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2767         target hook.
2768         (decide_unroll_stupid): Likewise.
2769
2770 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2771
2772         PR target/43643
2773         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2774
2775 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2776
2777         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2778         (Specific, *-*-solaris2*): Likewise.
2779         Don't prefer Sun as over GNU as.
2780
2781 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2782
2783         * config/s390/s390.c (override_options): Adjust the z10
2784           defaults for max-unroll-times, max-completely-peeled-insns
2785           and max-completely-peel-times.
2786
2787 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2788
2789         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2790         instructions for z10.
2791         (s390_expand_setmem): Likewise.
2792         (s390_expand_cmpmem): Likewise.
2793
2794 2010-04-08  Richard Guenther  <rguenther@suse.de>
2795
2796         PR tree-optimization/43679
2797         * tree-ssa-pre.c (eliminate): Only propagate copies.
2798
2799 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2800
2801         PR bootstrap/43681
2802         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2803         set but not used variable warning.
2804
2805 2010-04-08  Wei Guozhi  <carrot@google.com>
2806
2807         PR target/41653
2808         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2809         (arm_size_rtx_costs): Call the new function when optimized for size.
2810
2811 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2812
2813         PR debug/43670
2814         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2815         op0 is not a MEM, just return NULL instead of assertion
2816         failure.
2817         (discover_nonconstant_array_refs): Don't walk debug stmts.
2818
2819 2010-04-08  Doug Kwan  <dougkwan@google.com>
2820
2821         * configure.ac: Recognize gold and do not use its version number
2822         to test ld features.
2823         * configure: Regenerate.
2824
2825 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2826
2827         PR middle-end/40815
2828         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2829         (negate_value): Move code to push elements to broken_up_substracts ...
2830         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2831         negative pair to plus_negates.
2832         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2833
2834 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2835
2836         * doc/install.texi (Configuration): Move description of
2837         --enable-lto, --with-libelf*, --enable-gold from Java section to
2838         general section.
2839
2840         * doc/generic.texi (Working with declarations)
2841         (Function Properties, C and C++ Trees): Fix typos.
2842         * doc/sourcebuild.texi (Top Level): Likewise.
2843
2844 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2845
2846         PR c/18624
2847         * tree.h (DECL_READ_P): Define.
2848         (struct tree_decl_common): Add decl_read_flag.
2849         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2850         a set but not used warning.
2851         (merge_decls): Merge DECL_READ_P flag.
2852         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2853         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2854         * c-common.c (handle_used_attribute, handle_unused_attribute):
2855         Likewise.
2856         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2857         New prototypes.
2858         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2859         New functions.
2860         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2861         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2862         c_parser_binary_expression, c_parser_cast_expression,
2863         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2864         Call default_function_array_read_conversion instead of
2865         default_function_array_conversion where needed.
2866         (c_parser_unary_expression, c_parser_conditional_expression,
2867         c_parser_postfix_expression_after_primary, c_parser_initelt):
2868         Likewise.  Call mark_exp_read where needed.
2869         (c_parser_statement_after_labels, c_parser_asm_operands,
2870         c_parser_typeof_specifier, c_parser_sizeof_expression,
2871         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2872         where needed.
2873         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2874         New.
2875         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2876         (warn_unused_but_set_parameter): Default to warn_unused
2877         && extra_warnings.
2878         * doc/invoke.texi: Document -Wunused-but-set-variable and
2879         -Wunused-but-set-parameter.
2880
2881         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2882         used count variable.
2883         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2884         when operandN variables aren't used in the body of the expander
2885         or splitter.
2886         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2887         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2888         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2889         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2890         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2891         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2892         * tree.c (PROCESS_ARG): Likewise.
2893
2894 2010-04-07  Simon Baldwin  <simonb@google.com>
2895
2896         * diagnostic.h (diagnostic_override_option_index): New macro to
2897         set a diagnostic's option_index.
2898         * c-tree.h (c_cpp_error): Add warning reason argument.
2899         * opts.c (_warning_as_error_callback): New.
2900         (register_warning_as_error_callback): Store callback for
2901         warnings enabled via enable_warning_as_error.
2902         (enable_warning_as_error): Call callback, minor code tidy.
2903         * opts.h (register_warning_as_error_callback): Declare.
2904         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2905         response to -Werror=.
2906         (c_common_init_options): Register warning_as_error_callback in opts.c.
2907         * common.opt: Add -Wno-cpp option.
2908         * c-common.c (struct reason_option_codes_t): Map cpp warning
2909         reason codes to gcc option indexes.
2910         * (c_option_controlling_cpp_error): New function, lookup the gcc
2911         option index for a cpp warning reason code.
2912         * (c_cpp_error): Add warning reason argument, call
2913         c_option_controlling_cpp_error for diagnostic_override_option_index.
2914         * doc/invoke.texi: Document -Wno-cpp.
2915
2916 2010-04-07  Richard Guenther  <rguenther@suse.de>
2917
2918         * ipa-reference.c (mark_load): Use get_base_address.
2919         (mark_store): Likewise.
2920
2921         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2922         inserting GIMPLE_NOPs into the IL.
2923         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2924         Explicitly strip handled components and indirect references.
2925
2926         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2927         folding address expressions.
2928         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2929         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2930         operand_equal_p to compare decls.
2931         (ptr_deref_may_alias_decl_p): Likewise.
2932         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2933         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2934         Handle reversed comparison ops.
2935         * tree-sra.c (asm_visit_addr): Use get_base_address.
2936         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2937         * ipa-reference.c (mark_address): Use get_base_address.
2938
2939 2010-04-07  Richard Guenther  <rguenther@suse.de>
2940
2941         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2942         Propagate constants everywhere.
2943
2944 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2945
2946         PR debug/43516
2947         * tree.c (MAX_INT_CACHED_PREC): Define.
2948         (nonstandard_integer_type_cache): New array.
2949         (build_nonstandard_integer_type): Cache results for precision
2950         <= MAX_INT_CACHED_PREC.
2951
2952 2010-04-07  Richard Guenther  <rguenther@suse.de>
2953
2954         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2955         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2956         * common.opt: Likewise.
2957         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2958         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2959         (nonoverlapping_memrefs_p): Likewise.
2960         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2961         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2962         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2963         OPT_fargument_noalias_global for backward compatibility.
2964
2965 2010-04-07  Richard Guenther  <rguenther@suse.de>
2966
2967         PR tree-optimization/43270
2968         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2969         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2970         * tree-ssa-pre.c (phi_translate_1): Adjust.
2971         (fully_constant_expression): Split out vn_reference handling to ...
2972         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2973         Fold reads from constant strings.
2974         (vn_reference_lookup): Handle fully constant references.
2975         (vn_reference_lookup_pieces): Likewise.
2976         * Makefile.in (expmed.o-warn): Add -Wno-error.
2977
2978 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2979
2980         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2981
2982 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2983
2984         PR driver/41594
2985         * gcc.c: Add -static-libstdc++ to list of recognized options.
2986
2987 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2988
2989         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2990
2991 2010-04-07  Richard Guenther  <rguenther@suse.de>
2992
2993         PR middle-end/42617
2994         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2995         bases build simple mem attributes to retain points-to information.
2996
2997 2010-04-07  Richard Guenther  <rguenther@suse.de>
2998
2999         PR middle-end/42617
3000         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3001         preserve points-to related information.
3002
3003 2010-04-07  Richard Guenther  <rguenther@suse.de>
3004
3005         PR middle-end/42617
3006         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3007         discard plain indirect references.
3008         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3009         * tree.c (tree_nop_conversion): Likewise.
3010
3011 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3012
3013         PR debug/43628
3014         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3015
3016 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3017
3018         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3019         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3020
3021 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3022
3023         * tree-if-conv.c: Fix indentation and comments.
3024
3025 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3026
3027         * tree-if-conv.c: Sort static functions in topological order.
3028
3029 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3030
3031         * tree-if-conv.c: Fix indentation and comments.
3032
3033 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3034
3035         PR middle-end/43519
3036         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3037         lang_hooks.types.type_for_size instead of
3038         build_nonstandard_integer_type.
3039         When converting an unsigned type to signed, double its precision.
3040         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3041         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3042         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3043         use lb <= ub.
3044
3045 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3046
3047         PR middle-end/43519
3048         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3049         POINTER_PLUS_EXPR for pointer types.
3050
3051 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3052
3053         PR middle-end/43519
3054         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3055         * graphite-clast-to-gimple.c: Include langhooks.h.
3056         (max_signed_precision_type): New.
3057         (max_precision_type): Takes two types as arguments.
3058         (precision_for_value): New.
3059         (precision_for_interval): New.
3060         (gcc_type_for_interval): New.
3061         (gcc_type_for_value): New.
3062         (gcc_type_for_clast_term): New.
3063         (gcc_type_for_clast_red): New.
3064         (gcc_type_for_clast_bin): New.
3065         (gcc_type_for_clast_expr): Split up into several functions.
3066         (gcc_type_for_clast_eq): Rewritten.
3067         (compute_bounds_for_level): New.
3068         (compute_type_for_level_1): New.
3069         (compute_type_for_level): New.
3070         (gcc_type_for_cloog_iv): Removed.
3071         (gcc_type_for_iv_of_clast_loop): Rewritten.
3072         (graphite_create_new_loop): Compute the lower and upper bound types
3073         with gcc_type_for_clast_expr.
3074         (graphite_create_new_loop_guard): Same.
3075         (find_cloog_iv_in_expr): Removed.
3076         (compute_cloog_iv_types_1): Removed.
3077         (compute_cloog_iv_types): Removed.
3078         (gloog): Do not call compute_cloog_iv_types.
3079         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3080         GBB_CLOOG_IV_TYPES.
3081         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3082         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3083         (GBB_CLOOG_IV_TYPES): Removed.
3084
3085 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3086
3087         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3088         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3089         (detect_commutative_reduction): Same.
3090
3091 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3092
3093         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3094         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3095         argument.
3096         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3097         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3098         (rewrite_commutative_reductions_out_of_ssa): Same.
3099         * passes.c (execute_function_todo): Call verify_ssa for every pass
3100         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3101         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3102         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3103         with an extra argument.
3104         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3105         verify_ssa only when the extra argument is true.
3106         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3107         with an extra argument.
3108         (tree_transform_and_unroll_loop): Same.
3109
3110 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3113         for all the passes of the LNO having LOOP_CLOSED_SSA.
3114         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3115         * tree-loop-distribution.c (pass_loop_distribution): Same.
3116         * tree-pass.h (TODO_verify_loops): Removed.
3117         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3118         (pass_lim): Same.
3119         (pass_tree_unswitch): Same.
3120         (pass_predcom): Same.
3121         (pass_vectorize): Same.
3122         (pass_linear_transform): Same.
3123         (pass_graphite_transforms): Same.
3124         (pass_iv_canon): Same.
3125         (pass_complete_unroll): Same.
3126         (pass_complete_unrolli): Same.
3127         (pass_parallelize_loops): Same.
3128         (pass_loop_prefetch): Same.
3129         (pass_iv_optimize): Same.
3130
3131 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3132
3133         PR middle-end/32824
3134         * passes.c (init_optimization_passes): Move pass_lim before
3135         pass_copy_prop and pass_dce_loop.
3136
3137 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3138
3139         PR target/43667
3140         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3141         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3142         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3143         MULTI_* defines for 4 argument vpermil2p* builtins.
3144
3145 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3146
3147         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3148         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3149         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3150         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3151         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3152         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3153         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3154         Use x86_maybe_negate_const_int to output insn mnemonic.
3155         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3156         check from instruction predicate.  Update comments.
3157         * config/i386/sync.md (sync_add<mode>): Use
3158         x86_maybe_negate_const_int to output insn mnemonic.
3159
3160 2010-04-06  Jan Hubicka  <jh@suse.cz>
3161
3162         PR tree-optimization/42906
3163         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3164         IGNORE_SELF argument.  Set visited_control_parents for fully
3165         processed BBs.
3166         (find_obviously_necessary_stmts): Update call of
3167         mark_control_dependent_edges_necessary.
3168         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3169
3170 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3171
3172         * config/i386/i386.md: Remove comment about 'e' and 'E'
3173         operand modifier.
3174
3175 2010-04-06  Richard Guenther  <rguenther@suse.de>
3176
3177         PR tree-optimization/43627
3178         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3179         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3180         not varying.
3181
3182 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3183
3184         * BASE-VER: Change to 4.6.0.
3185
3186         PR target/43638
3187         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3188         handling.
3189
3190 2010-04-06  Richard Guenther  <rguenther@suse.de>
3191
3192         PR middle-end/43661
3193         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3194
3195 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3196
3197         * doc/invoke.texi (Optimize Options): Document that LTO
3198         won't remove object access purely due to incompatible
3199         declarations.
3200
3201 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3202
3203         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3204         Initialize variable.
3205
3206 2010-04-03  Richard Guenther  <rguenther@suse.de>
3207
3208         PR middle-end/42509
3209         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3210         require a non-NULL MEM_OFFSET.
3211
3212 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3213
3214         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3215         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3216         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3217         config/alpha/predicates.md, config/arm/arm.md,
3218         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3219         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3220         config/darwin9.h, config/darwin.c, config/darwin.h,
3221         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3222         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3223         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3224         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3225         config/mips/mips.md, config/mn10300/mn10300.c,
3226         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3227         config/rs6000/aix.h, config/rs6000/dfp.md,
3228         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3229         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3230         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3231         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3232         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3233         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3234         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3235         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3236         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3237         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3238         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3239         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3240         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3241         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3242         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3243         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3244         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3245         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3246         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3247         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3248         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3249         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3250         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3251         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3252         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3253         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3254         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3255         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3256         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3257         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3258         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3259         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3260         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3261         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3262         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3263         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3264
3265 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3266
3267         PR other/43620
3268         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3269         * aclocal.m4: Regenerate.
3270
3271 2010-04-02  Richard Guenther  <rguenther@suse.de>
3272
3273         PR tree-optimization/43629
3274         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3275         if we have seen a constant value.
3276
3277 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3278
3279         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3280
3281 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3282
3283         PR target/43469
3284         * arm.c (legitimize_tls_address): Adjust call to
3285         gen_tls_load_dot_plus_four.
3286         (arm_note_pic_base): New function.
3287         (arm_cannot_copy_insn_p): Use it.
3288         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3289         constraint.
3290
3291 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3292
3293         PR bootstrap/43531
3294
3295         Revert:
3296         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3297
3298         * Makefile.in ($(out_object_file)): Depend on
3299         gt-$(basename $(notdir $(out_file))).h.
3300
3301 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3302
3303         * config.gcc (lm32-*-rtems*): Add t-lm32.
3304
3305 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3306
3307         * config.gcc: Add lm32-*-rtems*.
3308         * config/lm32/rtems.h: New file.
3309
3310 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3311
3312         PR target/42609
3313         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3314
3315 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3316
3317         * dwarf2out.c (output_compilation_unit_header): For
3318         -gdwarf-4 use version 4 instead of version 3.
3319         (output_line_info): For version 4 and above emit additional
3320         maximum ops per insn header field.
3321         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3322
3323         * dwarf2out.c (is_c_family, is_java): Remove.
3324         (lower_bound_default): New function.
3325         (add_bound_info, gen_descr_array_type_die): Use it.
3326
3327 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3328
3329         PR debug/43325
3330         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3331         re-declaration when it happens in a function.
3332
3333 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3334
3335         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3336         (cgraph_remove_function_insertion_hook): Same.
3337         (cgraph_call_function_insertion_hooks): Same.
3338
3339 2010-04-01  Richard Guenther  <rguenther@suse.de>
3340
3341         PR middle-end/43614
3342         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3343         and TREE_THIS_VOLATILE.
3344         (copy_ref_info): Likewise.
3345         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3346         * tree.c (build6_stat): Ignore side-effects of all but arg5
3347         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3348         TARGET_MEM_REF.
3349
3350 2010-04-01  Richard Guenther  <rguenther@suse.de>
3351
3352         PR tree-optimization/43607
3353         * ipa-type-escape.c (check_call): Do not access non-existing
3354         arguments.
3355
3356 2010-04-01  Richard Guenther  <rguenther@suse.de>
3357
3358         PR middle-end/43602
3359         Revert
3360         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3361                     Jack Howarth <howarth@bromo.med.uc.edu>
3362
3363         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3364         variables TLS.
3365
3366 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3367
3368         * doc/install.texi (Prerequisites): Document libelf usability on
3369         IRIX 5/6 and Solaris 2.
3370         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3371         Update GNU as, GNU ld requirements.
3372         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3373         Document Sun Studio compiler download.
3374         Update and simplify as, ld recommendations.
3375         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3376
3377 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3378
3379         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3380         with_tune_32 to pentium4.
3381
3382 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3383
3384         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3385
3386 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3387
3388         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3389         obsoletion, removal.
3390         Update IDO URL.
3391         Document GNU as requirement.
3392         Update configure requirements.
3393         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3394         Recomment IRIX 6.5.18+.
3395         Document IDF/IDL requirement.
3396         Document GNU as requirement.
3397         Document GNU ld bootstrap failure.
3398         Remove freeware.sgi.com reference.
3399
3400 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3401
3402         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3403         UNIX V4.0, V5.0 obsoletion, removal.
3404         Remove --with-gc=simple reference.
3405         Update VM requirements during bootstrap.
3406         Remove -oldas bootstrap description.
3407         Update binutils reference.
3408         Remove comparison failure note.
3409
3410 2010-03-31  Richard Guenther  <rguenther@suse.de>
3411             Zdenek Dvorak  <ook@ucw.cz>
3412             Sebastian Pop  <sebastian.pop@amd.com>
3413
3414         PR middle-end/43464
3415         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3416         with multiple arguments.
3417         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3418
3419 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3420
3421         * graphite-dependences.c (print_pddr): Call print_pdr with an
3422         extra argument.
3423         * graphite-poly.c (debug_pdr): Add an extra argument for the
3424         verbosity level.
3425         (print_pdr): Same.
3426         (print_pbb_domain): Same.
3427         (print_pbb): Same.
3428         (print_scop_context): Same.
3429         (print_scop): Same.
3430         (print_cloog): Same.
3431         (debug_pbb_domain): Same.
3432         (debug_pbb): Same.
3433         (print_pdrs): Same.
3434         (debug_pdrs): Same.
3435         (debug_scop_context): Same.
3436         (debug_scop): Same.
3437         (debug_cloog): Same.
3438         (print_scop_params): Same.
3439         (debug_scop_params): Same.
3440         (print_iteration_domain): Same.
3441         (print_iteration_domains): Same.
3442         (debug_iteration_domain): Same.
3443         (debug_iteration_domains): Same.
3444         (print_scattering_function): Same.
3445         (print_scattering_functions): Same.
3446         (debug_scattering_function): Same.
3447         (debug_scattering_functions): Same.
3448         * graphite-poly.h (debug_pdr): Update declaration.
3449         (print_pdr): Same.
3450         (print_pbb_domain): Same.
3451         (print_pbb): Same.
3452         (print_scop_context): Same.
3453         (print_scop): Same.
3454         (print_cloog): Same.
3455         (debug_pbb_domain): Same.
3456         (debug_pbb): Same.
3457         (print_pdrs): Same.
3458         (debug_pdrs): Same.
3459         (debug_scop_context): Same.
3460         (debug_scop): Same.
3461         (debug_cloog): Same.
3462         (print_scop_params): Same.
3463         (debug_scop_params): Same.
3464         (print_iteration_domain): Same.
3465         (print_iteration_domains): Same.
3466         (debug_iteration_domain): Same.
3467         (debug_iteration_domains): Same.
3468         (print_scattering_function): Same.
3469         (print_scattering_functions): Same.
3470         (debug_scattering_function): Same.
3471         (debug_scattering_functions): Same.
3472
3473 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3474
3475         * graphite-poly.c (print_scattering_function_1): New.
3476         (print_scattering_function): Call it.
3477         (print_scop_params): Remove spaces at the end of lines.
3478         (print_cloog): New.
3479         (debug_cloog): New.
3480         * graphite-poly.h (print_cloog): Declared.
3481         (debug_cloog): Declared.
3482
3483 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3484
3485         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3486         in loop->header.
3487         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3488         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3489         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3490         to switch between adding the IV bump in loop->latch or in loop->header.
3491
3492 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3493
3494         * graphite-poly.c (print_scattering_function): Pretty print following
3495         the scoplib format.
3496         (print_pdr): Same.
3497         (print_pbb_domain): Same.
3498         (dump_gbb_cases): Same.
3499         (dump_gbb_conditions): Same.
3500         (print_pdrs): Same.
3501         (print_pbb): Same.
3502         (print_scop_params): Same.
3503         (print_scop_context): Same.
3504         (print_scop): Same.
3505         (print_pbb_body): New.
3506         (lst_indent_to): New.
3507         (print_lst): Start new lines with a #.
3508         * graphite-poly.h (pbb_bb): New.
3509         (pbb_index): Use pbb_bb.
3510         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3511         disjuncts.
3512         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3513
3514 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3515
3516         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3517         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3518         and 0 instead of 1 for dw_val_class_flag.
3519         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3520         dw_val_class_range_list, dw_val_class_loc_list,
3521         dw_val_class_lineptr and dw_val_class_macptr, use
3522         DW_FORM_flag_present for dw_val_class_flag and
3523         DW_FORM_exprloc for dw_val_class_loc.
3524         (output_die): For -gdwarf-4 print dw_val_class_loc
3525         size as uleb128 instead of 1 or 2 bytes and don't print
3526         anything for dw_val_class_flag.
3527
3528         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3529         instead of cselib_lookup following by tweaking locs->setting_insn.
3530
3531         PR bootstrap/43596
3532         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3533         even before returning from label, setjmp call or volatile asm
3534         handling.
3535
3536 2010-03-31  Richard Guenther  <rguenther@suse.de>
3537
3538         PR middle-end/43600
3539         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3540         temporary data on stack.
3541
3542 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3543
3544         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3545         (PUSHSECTION_ASM_OP): Remove.
3546         (POPSECTION_ASM_OP): Remove.
3547         (PUSHSECTION_FORMAT): Remove.
3548         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3549         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3550         * config/sol2.c (solaris_output_init_fini): Use it.
3551
3552 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3553
3554         PR 43574
3555         * opt-functions.awk (var_type_struct): Use signed char type
3556         for simple variables.
3557
3558 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3559
3560         * config/sol2.c: Include output.h.
3561         (solaris_assemble_visibility): New function.
3562         * config/t-sol2 (sol2.o): Add output.h dependency.
3563         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3564         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3565         Redefine.
3566
3567 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3568
3569         PR target/43580
3570         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3571         V2SImode or XFmode on PRE_DEC.
3572
3573         PR debug/43557
3574         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3575         BLKmode.
3576
3577 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3578
3579         PR 43562
3580         * reload.h (caller_save_initialized_p): Declare.
3581         * toplev.c (backend_init_target): Don't call
3582         init_caller_save but set caller_save_initialized_p to false.
3583         * caller-save.c (caller_save_initialized_p): Define.
3584         (init_caller_save): Check caller_save_initialized_p.
3585         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3586
3587 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3588
3589         PR target/39048
3590         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3591         and soft-fp/t-softfp to tmake_file.
3592         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3593         (LIBGCC2_TF_CEXT): Define.
3594         (TF_SIZE): Define.
3595
3596 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3597
3598         PR debug/42977
3599         * cselib.c (n_useless_values): Document handling of debug locs.
3600         (n_useless_debug_values, n_debug_values): New variables.
3601         (new_elt_loc_list): Don't add to debug values, keep count.
3602         (promote_debug_loc): New.
3603         (cselib_reset_table): Zero new variables.
3604         (entry_and_rtx_equal_p): Promote debug locs.
3605         (discard_useless_locs): Increment n_useless_debug_values for
3606         debug values.
3607         (remove_useless_values): Adjust n_useless_values and n_debug_values
3608         with n_useless_debug_values.
3609         (add_mem_for_addr): Promote debug locs.
3610         (cselib_lookup_mem): Likewise.
3611         (cselib_lookup_addr): Renamed to...
3612         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3613         (cselib_log_lookup): ... this.  Turn into...
3614         (cselib_lookup_addr): ... new wrapper.
3615         (cselib_lookup_from_insn): New.
3616         (cselib_invalidate_regno): Increment n_useless_debug_values for
3617         debug values.
3618         (cselib_invalidate_mem): Likewise.
3619         (cselib_process_insn): Take n_deleted and n_debug_values into
3620         account to guard remove_useless_value call.
3621         (cselib_finish): Zero n_useless_debug_values.
3622         * cselib.h (cselib_lookup_from_insn): Declare.
3623         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3624         (sched_analyze_2): Likewise.
3625
3626 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3627
3628         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3629         functions.
3630         (adjust_mems): Replace narrowing SUBREG of expression containing
3631         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3632         with operations in the narrower mode.
3633
3634         PR debug/43593
3635         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3636         regs_invalidated_by_call instead all call_used_reg_set registers.
3637
3638 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3639
3640         PR middle-end/43430
3641         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3642         pointer comparisons with types_compatible_p.
3643         * tree-vect-stmts.c (vectorizable_call): Same.
3644         (vectorizable_condition): Same.
3645
3646 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3647
3648         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3649         stack check if the mask would be zero.
3650
3651 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3652             Jack Howarth <howarth@bromo.med.uc.edu>
3653
3654         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3655         variables TLS.
3656
3657 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3658
3659         PR other/25232
3660         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3661         and __unordtf2.
3662         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3663         Include ___unordxf2 and ___unordtf2.
3664         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3665         GCC_4.4.0 here.
3666
3667 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3668
3669         * config/lm32/t-lm32: New file.
3670         * config.gcc: Use the above file when targetting lm32.
3671
3672 2010-03-28  Duncan Sands  <baldrick@free.fr>
3673
3674         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3675
3676 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3677
3678         PR middle-end/43431
3679         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3680         Improve vectorization cost model diagnostic.
3681
3682 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3683
3684         PR middle-end/43436
3685         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3686         compute_data_dependences_for_loop returns false, early exit
3687         and output an extra diagnostic for the failed data reference
3688         analysis.
3689
3690 2010-03-29  Richard Guenther  <rguenther@suse.de>
3691
3692         PR tree-optimization/43560
3693         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3694         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3695
3696 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3697
3698         PR 43564
3699         * toplev.c (process_options): Set optimization_default_node
3700         and optimization_current_node.
3701         * opts.c (decode_options): Don't set optimization_default_node
3702         and optimization_current_node.
3703
3704 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3705
3706         * config/rtems.h: Abandon -qrtems_debug.
3707
3708 2010-03-28  Jan Hubicka  <jh@suse.cz>
3709
3710         PR tree-optimization/43505
3711         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3712         map should not be copied.
3713
3714 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3715
3716         PR middle-end/41674
3717         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3718         cdtors, set DECL_PRESERVE_P.
3719         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3720         should be preseved.
3721
3722 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3723
3724         PR tree-optimization/43528
3725         * stor-layout.c (place_field): Check that constant fits into
3726         unsigned HWI when skipping calculation of MS bitfield layout.
3727
3728 2010-03-27  Jan Hubicka  <jh@suse.cz>
3729
3730         PR middle-end/43391
3731         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3732         notice_global_symbol work.
3733
3734 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3735
3736         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3737         instead of dwarf2out_decl.
3738         (struct var_loc_node): Remove section_label field.
3739         (dwarf2out_function_decl): New function.
3740         (dwarf2out_var_location): Don't set section_label field.
3741         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3742
3743 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3744
3745         PR tree-optimization/43544
3746         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3747         First argument for builtin vectorized function hook is now a
3748         tree to be able to distinguish between machine specific and
3749         standard builtins.
3750         * targhooks.c (default_builtin_vectorized_function): Ditto.
3751         * targhooks.h (default_builtin_vectorized_function): Ditto.
3752         * target.h (struct gcc_target): Ditto.
3753         * tree-vect-stmts.c (vectorizable_function): Ditto.
3754         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3755         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3756         Ditto.
3757
3758 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3759
3760         PR c/43381
3761         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3762         nested binding iff it is a FUNCTION_DECL.
3763         (store_parm_decls_newstyle): Pass nested=true to bind for
3764         FUNCTION_DECLs amongst parameters.
3765
3766 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3767
3768         * var-tracking.c (vt_expand_loc_callback): Don't run
3769         cselib_expand_value_rtx_cb in dummy mode if
3770         cselib_dummy_expand_value_rtx_cb returned false.
3771
3772         * var-tracking.c (emit_note_insn_var_location): For one part
3773         notes with offset 0, don't add EXPR_LIST around the location.
3774         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3775         add_location_or_const_value_attribute): Adjust for that change.
3776
3777         PR debug/43540
3778         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3779         into first operand and location into second.
3780         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3781         dw_cfi_oprnd_loc for DW_CFA_expression.
3782         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3783         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3784         assume first argument is regnum and second argument is location.
3785
3786 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3787
3788         PR target/42113
3789         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3790         of scratch register to DImode.  Split to DImode comparison operator.
3791         Use SImode subreg of scratch register in the multiplication.
3792         (*cmp_sadd_sidi): Ditto.
3793         (*cmp_ssub_si): Ditto.
3794         (*cmp_ssub_sidi): Ditto.
3795
3796 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3797
3798         PR target/43524
3799         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3800         Remove invalid assert and wrong comment.
3801
3802 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3803
3804         PR debug/43516
3805         * flags.h (final_insns_dump_p): New extern.
3806         * final.c (final_insns_dump_p): New variable.
3807         (rest_of_clean_state): Set it before -fdump-final-insns=
3808         dumping, clear afterwards.
3809         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3810         MEM_ALIAS_SET on MEMs.
3811
3812 2010-03-26  David S. Miller  <davem@davemloft.net>
3813
3814         * configure.ac: Fix sparc GOTDATA_OP bug check.
3815         * configure: Rebuild.
3816
3817 2010-03-26  Alan Modra  <amodra@gmail.com>
3818
3819         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3820
3821 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3822
3823         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3824         TLS_SECTION_ASM_FLAG.
3825
3826 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3827
3828         PR bootstrap/43511
3829         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3830         Clear first_function_block_is_cold.
3831
3832         PR c/43385
3833         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3834         argument if the argument is truth_value_p.
3835
3836 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3837
3838         * config/rs6000/constraints.md: Update copyright year for my changes.
3839
3840         PR target/43484
3841         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3842         used in reg+reg addressing, swap registers.
3843
3844 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3845
3846         PR debug/43293
3847         * target.h (struct gcc_target): Add code_end hook.
3848         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3849         if not yet defined.
3850         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3851         * toplev.c (compile_file): Call targetm.asm_out.code_end
3852         hook before unwind info/debug info output.
3853         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3854         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3855         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3856         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3857         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3858         * config/i386/i386.c (ix86_file_end): Renamed to...
3859         (ix86_code_end): ... this.  Make static.  Don't call
3860         file_end_indicate_exec_stack.  Emit unwind info using
3861         final_start_function/final_end_function.
3862         (darwin_x86_file_end): Remove.
3863         (TARGET_ASM_CODE_END): Define.
3864         * config/i386/i386.h (TARGET_ASM_FILE_END,
3865         NEED_INDICATE_EXEC_STACK): Don't define.
3866         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3867         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3868         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3869         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3870
3871         PR target/43498
3872         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3873         at the beginning and final_end_function at the end.
3874         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3875
3876 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3877
3878         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3879         and Sun as TLS syntax.
3880         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3881         * configure: Regenerate.
3882         * config.in: Regenerate.
3883         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3884         (default_elf_asm_named_section): Use it.
3885         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3886         (i386_output_dwarf_dtprel): Likewise.
3887         (output_addr_const_extra): Likewise.
3888         (output_pic_addr_const): Lowercase @GOTTPOFF.
3889         (output_addr_const_extra): Likewise.
3890         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3891         (output_addr_const_extra): Likewise.
3892         (output_pic_addr_const): Lowercase @INDNTPOFF.
3893         (output_addr_const_extra): Likewise.
3894         (output_pic_addr_const): Lowercase @NTPOFF.
3895         (output_addr_const_extra): Likewise.
3896         (output_pic_addr_const): Lowercase @TPOFF.
3897         (output_addr_const_extra): Likewise.
3898         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3899         (*tls_global_dynamic_64): Likewise.
3900         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3901         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3902
3903         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3904         (ASM_OUTPUT_TLS_COMMON): Use it.
3905         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3906
3907         PR target/38118
3908         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3909         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3910         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3911         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3912         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3913         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3914
3915 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3916
3917         * config/i386/i386.c (override_options): Don't accept
3918         -mtls-dialect=sun any longer.
3919         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3920         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3921         (*tls_local_dynamic_base_32_sun): Likewise.
3922         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3923
3924 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3925
3926         PR debug/43508
3927         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3928         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3929
3930         PR debug/43479
3931         * ira.c (adjust_cleared_regs): New function.
3932         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3933
3934         PR debug/19192
3935         PR debug/43479
3936         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3937         from gimple_block.
3938         * expr.c (expand_expr_real): Restore previous
3939         curr_insn_source_location and curr_insn_block after
3940         expand_expr_real_1 call.
3941         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3942         instead of expand_expr_real_1.
3943
3944 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
3945
3946         PR rtl-optimization/43413
3947         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3948         hard regs too.
3949
3950 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
3951
3952         PR target/43348
3953         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3954         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3955
3956 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
3957
3958         * config/i386/i386.c (ix86_target_string): Add -mfma.
3959         Fix a typo in comment.
3960
3961 2010-03-22  Mike Stump  <mikestump@comcast.net>
3962
3963         PR target/23071
3964         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3965         Don't overly align based upon packed packed fields.
3966
3967 2010-03-22  Jason Merrill  <jason@redhat.com>
3968
3969         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3970         Use () rather than [], and move before the element type.
3971
3972 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3973
3974         * doc/configfiles.texi (Configuration Files): Removed
3975         fixinc/Makefile*, intl/Makefile.*.
3976         * doc/makefile.texi: Fixed markup. Abstract from version
3977         control system used.
3978         (Makefile): Removed obsolete gcc/java/parse.y example.
3979         * doc/sourcebuild.texi: Likewise.
3980         (Top Level): Added config, gnattools, libdecnumber, libgcc,
3981         libgomp, libssp.  Removed fastjar.
3982         (Miscellaneous Docs): Clarify location.
3983         Added COPYING3, COPYING3.LIB.
3984         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3985
3986 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3987
3988         PR target/38085
3989         * config/i386/i386.c (x86_function_profiler)
3990         [!NO_PROFILE_COUNTERS]: Fix typo.
3991         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3992         instead of callq.
3993
3994 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3995             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3996
3997         * doc/sourcebuild.texi (Test Directives): Split into six
3998         subsections, with most of the current text in new subsections
3999         Directives, Selectors, and Final Actions.
4000         (Directives): Split list of test directives into multiple
4001         subsubsections.
4002         (Selectors): Describe use and syntax of selectors.
4003         (Effective-Target Keywords): Describe all existing keywords.
4004         (Add Options): Describe features for dg-add-options.
4005         (Require Support): Describe variants of dg-require-support.
4006         (Final Actions): Describe commands to use in dg-final.
4007
4008 2010-03-22  Michael Matz  <matz@suse.de>
4009
4010         PR middle-end/43475
4011         * recog.c (validate_replace_rtx_group): Replace also in
4012         REG_EQUAL and REG_EQUIV notes.
4013
4014 2010-03-22  Richard Guenther  <rguenther@suse.de>
4015
4016         PR tree-optimization/43390
4017         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4018         sure vector extracts are type correct.
4019
4020 2010-03-22  Richard Guenther  <rguenther@suse.de>
4021
4022         PR middle-end/40106
4023         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4024         x * sqrt (x) e