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1 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
2
3         PR bootstrap/43964
4         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
5         only if HONOR_REG_ALLOC_ORDER is not defined.
6
7 2010-05-04  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/43949
10         * tree-vrp.c (extract_range_from_binary_expr): Only handle
11         TRUNC_MOD_EXPR.
12
13 2010-04-26  Jason Merrill  <jason@redhat.com>
14
15         * c.opt (-fstrict-enums): New.
16         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
17
18 2010-05-03  David Ung <davidu@mips.com>
19             James E. Wilson  <wilson@codesourcery.com>
20
21         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
22         emit the trap instruction before the divide for TUNE_74K.
23
24 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
25
26         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
27         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
28         based on the above, for new target hook.
29
30         * hooks.c (hook_bool_mode_true): New generic hook.
31         * hooks.h (hook_bool_mode_true): Add prototype.
32
33         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
34         target hook.
35         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
36         target hook, set to hook_bool_mode_false.
37         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
38         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
39         with targetm.small_register_classes_for_mode_p.
40         (find_reusable_reload): Likewise.
41         (combine_reloads): Likewise.
42         * reload1.c (reload_as_needed): Likewise.
43         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
44         * ifcvt.c (noce_process_if_block, check_cond_move_block,
45         dead_or_predicable): Likewise.
46         * regmove.c (optimize_reg_copy_1): Likewise.
47         * calls.c (prepare_call_address): Likewise.
48         (precompute_register_parameters): Likewise.
49
50         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
51         hook definition.
52         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
53         implementation of the hook that considers all register classes
54         small except for SH64.
55         (sh_override_options): Use the new hook.
56         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
57         Add prototype.
58
59         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
60         hook definition.
61         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
62         implementation of the hook that considers all register classes
63         small for THUMB1.
64         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
65         Add prototype.
66
67         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
68         hook definition.
69         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
70         implementation of the hook that considers all register classes
71         small for MIPS16.
72         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
73         Add prototype.
74
75         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
76         hook definition.
77         * config/m32c/m32c.h: Likewise.
78         * config/pdp11/pdp11.h: Likewise.
79         * config/avr/avr.h: Likewise.
80         * config/xtensa/xtensa.h: Likewise.
81         * config/m68hc11/m68hc11.h: Likewise.
82         * config/mn10300/mn10300.h: Likewise.
83         * config/mcore/mcore.h: Likewise.
84         * config/h8300/h8300.h: Likewise.
85         * config/bfin/bfin.h: Likewise.
86
87         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
88         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
89
90 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
91
92         * double-int.h (tree_to_double_int): Remove macro.
93         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
94         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
95         (tree_to_double_int): New function.
96         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
97         Move ...
98         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
99
100 2010-05-03  Richard Guenther  <rguenther@suse.de>
101
102         PR tree-optimization/43971
103         * tree-ssa-structalias.c (get_constraint_for_1): Fix
104         constraints in the !flag_delete_null_pointer_checks case.
105
106 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
107
108         PR debug/43972
109         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
110         result mode matches original rtl mode.
111
112 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
113
114         PR target/43888
115         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
116
117 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
118
119         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
120         when processing flag options.
121
122 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
123
124         * gcov-iov.c (main): Change format string placeholder
125         from %#08x to 0x%08x.
126         * genchecksum.c (dosum): Change format string placeholder
127         from %#02x to 0x%02x.
128
129 2010-05-02  Richard Guenther  <rguenther@suse.de>
130
131         PR tree-optimization/43879
132         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
133
134 2010-05-02  Bruno Haible  <bruno@clisp.org>
135
136         * doc/extend.texi (Function Attributes): Fix a typo.
137
138 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
139
140         Revert:
141         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
142         placeholder from 0x%x to %#x.
143         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
144         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
145         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
146         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
147         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
148         * config/i386/i386.c (ix86_target_string): Ditto.
149         * config/i386/i386.c (output_pic_addr_const): Ditto.
150         (print_operand): Ditto.
151
152 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
153
154         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
155         placeholder from 0x%x to %#x.
156         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
157         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
158         (ASM_OUTPUT_DEBUG_DATA): Ditto.
159         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
160         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
161         * optc-gen.awk: Ditto.
162         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
163         (HOST_WIDE_INT_PRINT_HEX): Ditto.
164         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
165         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
166
167 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
168
169         * target.h (struct calls): Add function_value_regno_p field.
170         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
171         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
172         * targhooks.c (default_function_value_regno_p): New function.
173         * targhooks.h (default_function_value_regno_p): Declare function.
174         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
175         * builtins.c. (apply_result_size): (Ditto.).
176         * combine.c. (likely_spilled_retval_p): (Ditto.).
177         * mode-switching.c. Include 'target.h'.
178         (create_pre_exit): Use function_value_regno_p hook.
179         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
180         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
181         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
182
183         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
184         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
185         (ix86_function_value_regno_p): Declare as static, change argument
186         type to const unsigned int.
187         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
188
189 2010-05-01  Richard Guenther  <rguenther@suse.de>
190
191         PR tree-optimization/43949
192         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
193         types.
194         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
195
196 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
197
198         * rtl.h (CONST_DOUBLE_P): Define.
199         (rtx_to_double_int): Declare.
200         * emit-rtl.c (rtx_to_double_int): New function.
201         * dwarf2out.c (insert_double): New function.
202         (loc_descriptor, add_const_value_attribute): Clean up, use
203         rtx_to_double_int and insert_double functions.
204
205 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
206
207         * doc/extend.texi (Inline): Add missing return keyword to examples.
208         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
209         "command-line".
210
211 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
212
213         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
214         the variable part of the offset as well.  Use highest_pow2_factor for
215         all alignment checks.
216
217 2010-04-30  Richard Guenther  <rguenther@suse.de>
218
219         PR tree-optimization/43879
220         * tree-ssa-structalias.c (type_could_have_pointers): Functions
221         can have pointers.
222
223 2010-04-30  Jan Hubicka  <jh@suse.cz>
224
225         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
226         varpool.
227         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
228
229 2010-04-30  Jan Hubicka  <jh@suse.cz>
230
231         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
232         New.
233         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
234         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
235         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
236         cgraph_node_set_needs_ltrans_p): Remove.
237
238 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
239
240         * sdbout.c: Include vec.h, do not include varray.h.
241         (deferred_global_decls, sdbout_global_decl,
242         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
243         * toplev.c: Do not include varray.h.
244         (dump_memory_report): Do not dump VARRAY statistics.
245         * gengtype.c (open_base_file): Ignore varray.h.
246         * Makefile.in: Update for abovementioned changes.
247         Remove all traces of varray.c and varray.h.
248         * varray.c: Remove file.
249         * varray.h: Remove file.
250
251 2010-04-30  Jan Hubicka  <jh@suse.cz>
252
253         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
254         references.
255
256 2010-04-30  Jan Hubicka  <jh@suse.cz>
257
258         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
259         needed.
260
261 2010-04-30  Richard Guenther  <rguenther@suse.de>
262
263         * tree-ssa-structalias.c (get_constraint_for_1): Generate
264         constraints for CONSTRUCTOR.
265
266 2010-04-30  Richard Guenther  <rguenther@suse.de>
267
268         PR lto/43946
269         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
270         first after all lowering passes.
271
272 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
273
274         * toplev.c: Include varray.h for statistics dumping.
275         * tree.h: Do not declare varray_head_tag.
276         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
277         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
278         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
279         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
280         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
281         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
282         c-common.c, c-common.h, reg-stack.c, basic-block.h,
283         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
284         include varray.h.
285         * Makefile.in: Update for abovementioned changes.
286
287 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
288
289         PR debug/43942
290         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
291
292 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
293
294         * config/picochip/picochip.c (picochip_legitimize_address): Define.
295         Use this function to do machine-specific conversion.
296         (picochip_legitimize_reload_address): Likewise.
297         (picochip_legitimate_address_p): Check valid base register only if
298         strict.
299         (picochip_check_conditional_copy): Check for modw only if opnd is
300         register.
301         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
302         to call the function in c.
303         * config/picochip/picochip-protos.h
304         (picochip_legitimize_reload_address): Define.
305         * config/picochip/picochip.md (supported_compare1): Define.
306
307 2010-04-30  Jan Hubicka  <jh@suse.cz>
308
309         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
310         (cgraph_global_info): Remove inlined.
311         (LTO_cgraph_tag_names): Remove.
312         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
313         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
314         simplify cgraph tags and document.
315         (lto_output_node): Use only LTO_cgraph_unavail_node and
316         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
317         for_functions_valid, global info, process and output flags.
318         (input_overwrite_node): Initialize estimated stack size and
319         estimated growth.  Do not read flags we no longer store.
320         (input_node): Likewise do not read info no longer stored.
321         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
322         flag.
323
324 2010-04-30  Richard Guenther  <rguenther@suse.de>
325
326         PR tree-optimization/43879
327         * tree-ssa-structalias.c (get_constraint_for_1): Properly
328         handle non-zero initializers.
329
330 2010-04-30  Richard Guenther  <rguenther@suse.de>
331
332         * builtins.c (fold_builtin_1): Delete free (0).
333
334 2010-04-29  Jan Hubicka  <jh@suse.cz>
335
336         * gengtype.c (open_base_files): Add lto-streamer.h
337         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
338         (pass_ipa_cp): GGC collect.
339         * toplev. (compile_file): Do not output symbols.
340         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
341         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
342         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
343         * lto-section-in.c: Include ggc.h
344         (lto_new_in_decl_state): Alloc in GGC.
345         (lto_delete_in_decl_state): Likewise.
346         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
347         Collect.
348
349 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
350
351         PR target/42895
352         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
353         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
354         (HONOR_REG_ALLOC_ORDER): Describe new macro.
355         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
356         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
357         account only if HONOR_REG_ALLOC_ORDER is not defined.
358         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
359         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
360
361 2010-04-29  Jon Grant  <04@jguk.org>
362
363         * collect2.c (vflag): Change type from int to bool.
364         (debug): Likewise.
365         (helpflag): New global bool.
366         (main): Set vflag and debug with boolean, not integer truth values.
367         Accept new "--help" option and output usage text if found.
368         * collect2.h (vflag): Update prototype.
369         (debug): Likewise.
370
371 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
372
373         PR bootstrap/43936
374         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
375
376 2010-04-29  Richard Guenther  <rguenther@suse.de>
377
378         PR bootstrap/43935
379         * plugin.h (invoke_plugin_callbacks): Annotate arguments
380         with ATTRIBUTE_UNUSED.
381
382 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
383
384         PR target/43921
385         * config/i386/i386.c (get_some_local_dynamic_name): Replace
386         INSN_P with NONDEBUG_INSN_P.
387         (distance_non_agu_define): Likewise.
388         (distance_agu_use): Likewise.
389
390 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
391
392         From Dominique d'Humieres <dominiq@lps.ens.fr>
393         PR bootstrap/43858
394         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
395         test_set.
396
397 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
398
399         * plugin.h (invoke_plugin_callbacks): New inline function.
400         * plugin.c (flag_plugin_added): New global flag.
401         (add_new_plugin): Initialize above flag.
402         (invoke_plugin_callbacks): Rename to ...
403         (invoke_plugin_callbacks_full): ... this.
404
405 2010-04-28  Jan Hubicka  <jh@suse.cz>
406
407         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
408         (lto_varpool_replace_node): New.
409         (lto_symtab_resolve_symbols): Resolve varpool nodes.
410         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
411         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
412         * cgraph.h (varpool_node_ptr): New type.
413         (varpool_node_ptr): New vector.
414         (varpool_node_set_def): New structure.
415         (varpool_node_set): New type.
416         (varpool_node_set): New vector.
417         (varpool_node_set_element_def): New structure.
418         (varpool_node_set_element, const_varpool_node_set_element): New types.
419         (varpool_node_set_iterator): New type.
420         (varpool_node): Add prev pointers, add used_from_other_partition,
421         in_other_partition.
422         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
423         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
424         varpool_get_node, varpool_remove_node): Declare.
425         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
426         varpool_node_set_size): New inlines.
427         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
428         * tree-pass.h (varpool_node_set_def): Forward declare.
429         (ipa_opt_pass_d): Summary writting takes vnode sets too.
430         (ipa_write_optimization_summaries): Update prototype.
431         * ipa-cp.c (ipcp_write_summary): Update.
432         * ipa-reference.c (ipa_reference_write_summary): Update.
433         * lto-cgraph.c (lto_output_varpool_node): New static function.
434         (output_varpool): New function.
435         (input_varpool_node): New static function.
436         (input_varpool_1): New function.
437         (input_cgraph): Input varpool.
438         * ipa-pure-const.c (pure_const_write_summary): Update.
439         * lto-streamer-out.c (lto_output): Update, output varpool too.
440         (write_global_stream): Kill WPA hack.
441         (produce_asm_for_decls): Update.
442         (output_alias_pair_p): Handle variables.
443         (output_unreferenced_globals): Output only needed partition of varpool.
444         * ipa-inline.c (inline_write_summary): Update.
445         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
446         cgraph.
447         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
448         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
449         varpool_node_set_new, varpool_node_set_add,
450         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
451         debug_varpool_node_set): New functions.
452         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
453         (execute_one_pass): Process new decls too.
454         (ipa_write_summaries_2): Pass around vsets.
455         (ipa_write_summaries_1): Likewise.
456         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
457         to add.
458         (ipa_write_optimization_summaries_1): Pass around vsets.
459         (ipa_write_optimization_summaries): Likewise.
460         * varpool.c (varpool_get_node): New.
461         (varpool_node): Update doubly linked lists.
462         (varpool_remove_node): New.
463         (dump_varpool_node): More dumping.
464         (varpool_enqueue_needed_node): Update doubly linked lists.
465         (decide_is_variable_needed): Kill ltrans hack.
466         (varpool_finalize_decl): Kill lto hack.
467         (varpool_assemble_decl): Skip decls in other partitions.
468         (varpool_assemble_pending_decls): Update doubly linkes lists.
469         (varpool_empty_needed_queue): Likewise.
470         (varpool_extra_name_alias): Likewise.
471         * lto-streamer.c (lto_get_section_name): Add vars section.
472         * lto-streamer.h (lto_section_type): Update.
473         (output_varpool, input_varpool): Declare.
474
475 2010-04-28  Mike Stump  <mikestump@comcast.net>
476
477         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
478
479 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
480
481         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
482         record or union type with RECORD_OR_UNION_TYPE_P predicate.
483         (lto_input_ts_type_tree_pointers): Likewise.
484         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
485         (lto_output_ts_type_tree_pointers): Likewise.
486
487 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
488
489         Uniquization of constants at the Tree level
490         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
491         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
492         bit to the end.
493         (tree_output_constant_def): Declare.
494         * gimplify.c (gimplify_init_constructor): When using block copy, first
495         uniquize the constant constructor on the RHS.
496         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
497         DECL_IN_CONSTANT_POOL flag.
498         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
499         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
500         constant pool.
501         (assemble_variable): Deal with symbols belonging to the tree constant
502         pool.
503         (get_constant_section): Add ALIGN parameter and simplify.
504         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
505         (assemble_constant_contents): Use the expression of the VAR_DECL.
506         (output_constant_def_contents): Use the alignment of the VAR_DECL.
507         (tree_output_constant_def): New global function.
508         (mark_constant): Use the expression of the VAR_DECL.
509         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
510         its expression.
511         (output_object_block): Likewise and assemble the expression.
512
513 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
514
515         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
516         hash_tree, eq_tree): New tree hash table.
517         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
518         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
519         lto_orig_address_remove): Reimplement.
520
521 2010-04-28  Xinliang David Li  <davidxl@google.com>
522
523         PR c/42643
524         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
525         (compute_uninit_opnds_pos): New function.
526         (is_non_loop_exit_postdominating): New function.
527         (compute_control_dep_chain): New function.
528         (find_pdom): New function.
529         (convert_control_dep_chain_into_preds): New function.
530         (find_predicates): New function.
531         (find_control_equiv_block): New function.
532         (collect_phi_def_edges): New function.
533         (find_def_preds): New function.
534         (find_dom): New function.
535         (dump_predicates): New function.
536         (get_cmp_code): New function.
537         (is_value_included_in): New function.
538         (find_matching_predicate_in_rest_chains): New function.
539         (use_pred_not_overlap_with_undef_path_pred): New function.
540         (is_use_properly_guarded): New function.
541         (normalize_cond_1): New function.
542         (is_and_or_or): New function.
543         (normalize_cond): New function.
544         (is_gcond_subset_of): New function.
545         (is_subset_of_any): New function.
546         (is_or_set_subset_of): New function.
547         (is_and_set_subset_of): New function.
548         (is_norm_cond_subset_of): New function.
549         (is_pred_expr_subset_of): New function.
550         (is_pred_chain_subset_of): New function.
551         (is_included_in): New function.
552         (is_superset_of): New function.
553         (find_uninit_use): New function.
554         (warn_uninitialized_phi): New function.
555         (compute_possibly_undefined_names): New function.
556         (ssa_undefined_value_p): New function.
557         (execute_late_warn_uninitialized): New function.
558         * tree-ssa.c (ssa_undefined_value_p): Removed.
559         (warn_uninit): Changed to extern.
560         (warn_uninitialized_phi): Removed.
561         (warn_uninitialized_vars): Changed to extern.
562         (execute_late_warn_uninitialized): Removed
563         * tree-flow.h: Add new prototypes.
564         * timevar.def: Add new time variable.
565         * Makefile.in: Add new build file.
566
567 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
568
569         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
570         type if available.
571
572 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
573
574         PR target/22224
575         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
576
577 2010-04-28  Martin Jambor  <mjambor@suse.cz>
578
579         * cgraph.h (struct cgraph_node): New field indirect_calls.
580         (struct cgraph_indirect_call_info): New type.
581         (struct cgraph_edge): Removed field indirect_call. New fields
582         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
583         (cgraph_create_indirect_edge): Declare.
584         (cgraph_make_edge_direct): Likewise.
585         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
586         * ipa-prop.h (struct ipa_param_call_note): Removed.
587         (struct ipa_node_params): Removed field param_calls.
588         (ipa_create_all_structures_for_iinln): Declare.
589         * cgraph.c: Described indirect edges and uids in initial comment.
590         (cgraph_add_edge_to_call_site_hash): New function.
591         (cgraph_edge): Search also among the indirect edges, use
592         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
593         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
594         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
595         site hash.
596         (initialize_inline_failed): Assign a reason to indirect edges.
597         (cgraph_create_edge_1): New function.
598         (cgraph_create_edge): Moved some functionality to
599         cgraph_create_edge_1.
600         (cgraph_create_indirect_edge): New function.
601         (cgraph_edge_remove_callee): Add an assert checking for
602         non-indirectness.
603         (cgraph_edge_remove_caller): Special-case indirect edges.
604         (cgraph_remove_edge): Likewise.
605         (cgraph_set_edge_callee): New function.
606         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
607         (cgraph_make_edge_direct): New function.
608         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
609         the declaration of the call statement matches.
610         (cgraph_node_remove_callees): Special-case indirect edges.
611         (cgraph_clone_edge): Likewise.
612         (cgraph_clone_node): Clone also the indirect edges.
613         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
614         indirect_call, dump count of indirect_calls edges.
615         * ipa-prop.c (iinlining_processed_edges): New variable.
616         (ipa_note_param_call): Create indirect edges instead of
617         creating notes.  New parameter node.
618         (ipa_analyze_call_uses): New parameter node, pass it on to
619         ipa_note_param_call.
620         (ipa_analyze_stmt_uses): Likewise.
621         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
622         (print_edge_addition_message): Work on edges rather than on notes.
623         (update_call_notes_after_inlining): Likewise, renamed to
624         update_indirect_edges_after_inlining.
625         (ipa_create_all_structures_for_iinln): New function.
626         (ipa_free_node_params_substructures): Do not free notes.
627         (ipa_edge_duplication_hook): Propagate bits within
628         iinlining_processed_edges bitmap.
629         (ipa_node_duplication_hook): Do not duplicate notes.
630         (free_all_ipa_structures_after_ipa_cp): Renamed to
631         ipa_free_all_structures_after_ipa_cp.
632         (free_all_ipa_structures_after_iinln): Renamed to
633         ipa_free_all_structures_after_iinln.g
634         (ipa_write_param_call_note): Removed.
635         (ipa_read_param_call_note): Removed.
636         (ipa_write_indirect_edge_info): New function.
637         (ipa_read_indirect_edge_info): Likewise.
638         (ipa_write_node_info): Do not stream notes, do stream information
639         in indirect edges.
640         (ipa_read_node_info): Likewise.
641         (lto_ipa_fixup_call_notes): Removed.
642         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
643         * ipa-inline.c (pass_ipa_inline): Likewise.
644         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
645         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
646         * tree-inline.c (copy_bb): Removed an unnecessary double check for
647         is_gimple_call.
648         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
649         edges.
650         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
651         (output_cgraph): Stream also indirect edges.
652         (lto_output_edge): Added capability to stream indirect edges.
653         (input_edge): Likewise.
654         (input_cgraph_1): Likewise.
655         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
656         of indirect edges.
657
658 2010-04-28  Richard Guenther  <rguenther@suse.de>
659
660         PR tree-optimization/43879
661         PR tree-optimization/43909
662         * tree-ssa-structalias.c (struct variable_info): Add
663         only_restrict_pointers flag.
664         (new_var_info): Initialize it.  Increment stats.total_vars here.
665         (create_function_info_for): Do not increment stats.total_vars
666         here.
667         (get_function_part_constraint): Fix build with C++.
668         (insert_into_field_list): Remove.
669         (push_fields_onto_fieldstack): Properly merge fields.
670         (create_variable_info_for): Split and simplify.
671         (create_variable_info_for_1): New piece.
672         (intra_create_variable_infos): Properly make restrict constraints
673         from parameters.
674
675 2010-04-28  Richard Guenther  <rguenther@suse.de>
676
677         PR c++/43880
678         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
679
680 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
681             Jan Hubicka <hubicka@ucw.cz>
682
683         * doc/invoke.texi (-Wsuggest-attribute=const,
684         -Wsuggest-attribute=pure): Document.
685         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
686         (function_always_visible_to_compiler_p,
687         suggest_attribute, warn_function_pure, warn_function_const):
688         New functions.
689         (check_call): Improve debug info.
690         (analyze_function): Do not check availability.
691         (add_new_function): Check availability.
692         (propagate): Output warnings.
693         (skip_function_for_local_pure_const): New function.
694         (local_pure_const): Use it; output warnings.
695         * common.opt (Wsuggest-attribute=const,
696         Wsuggest-attribute=pure): New.
697
698 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
699
700         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
701         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
702         or DW_CFA_def_cfa_offset{,_sf}.
703
704 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
705
706         * tree.h: Fix truncated long macros.
707
708 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
709
710         * collect2.c (TARGET_64BIT): Redefine to target's default.
711         * tlink.c: Likewise.
712         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
713         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
714         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
715         for underscoring __USER_LABEL_PREFIX__.
716         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
717         (SUB_LINK_ENTRY32): New.
718         (SUB_LINK_ENTRY64): New.
719         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
720         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
721         (SUB_LINK_ENTRY64): New.
722         (SUB_LINK_ENTRY): New.
723         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
724         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
725         x64 target is choosen.
726         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
727         * configure: Regenerated.
728         * configure.ac (leading-mingw64-underscores): Option added.
729
730 2010-04-27  Jan Hubicka  <jh@suse.cz>
731
732         * doc/invoke.texi (-fipa-profile): Document.
733         * opts.c (decode_options): Enable ipa-profile at -O1.
734         * timevar.def (TV_IPA_PROFILE): Define.
735         * common.opt (fipa-profile): Add.
736         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
737         flag for clones.
738         (cgraph_propagate_frequency): Handle only local ones.
739         * tree-pass.h (pass_ipa_profile): Declare.
740         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
741         (pass_ipa_profile): Use TV_IPA_PROFILE.
742         * ipa.c (ipa_profile): New function.
743         (gate_ipa_profile): Likewise.
744         (pass_ipa_profile): New global variable.
745         * passes.c (pass_ipa_profile): New.
746
747 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
748
749         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
750
751 2010-04-27  Martin Jambor  <mjambor@suse.cz>
752
753         PR middle-end/43812
754         * ipa.c (dissolve_same_comdat_group_list): New function.
755         (function_and_variable_visibility): Call
756         dissolve_same_comdat_group_list when comdat group contains external or
757         newly local nodes.
758         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
759         lists are circular and that they contain only DECL_ONE_ONLY nodes.
760
761 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
762
763         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
764         (const_hash_1) <VECTOR_CST>: New case.
765         (compare_constant) <VECTOR_CST>: Likewise.
766         <ADDR_EXPR>: Deal with LABEL_REFs.
767         (copy_constant) <VECTOR_CST>: New case.
768
769 2010-04-27  Jan Hubicka  <jh@suse.cz>
770
771         * cgraph.c (cgraph_propagate_frequency): New function.
772         * cgraph.h (cgraph_propagate_frequency): Declare.
773         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
774         cgraph_propagate_frequency.
775
776 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
777
778         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
779
780 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
781
782         PR target/40657
783         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
784         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
785         here to determine which regs to push and how much stack to reserve.
786
787 2010-04-27  Jie Zhang  <jie@codesourcery.com>
788
789         * doc/gimple.texi (gimple_statement_with_ops): Remove
790         addresses_taken field.
791         (gimple_statement_with_memory_ops): Likewise.
792
793 2010-04-27  Jan Hubicka  <jh@suse.cz>
794
795         * tree-inline.c (eni_inlining_weights): Remove.
796         (estimate_num_insns): Special case more builtins.
797
798 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
799
800         PR c/32207
801         * c-typeck.c (build_binary_op): Move forward check for comparison
802         pointer with null pointer constant and adjust the diagnostic message.
803
804 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
805
806         PR lto/42776
807         * configure.ac (gcc_cv_as_section_has_align): Set if installed
808         binutils supports extended .section directive needed by LTO, or
809         warn if older binutils found.
810         (LTO_BINARY_READER): New AC_SUBST'd variable.
811         (LTO_USE_LIBELF): Likewise.
812         * gcc/config.gcc (lto_binary_reader): New target-specific configure
813         variable.
814         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
815         (LTO_USE_LIBELF): Likewise.
816         * configure: Regenerate.
817
818         * collect2.c (is_elf): Rename from this ...
819         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
820          object files in addition to ELF-formatted ones.
821         (scan_prog_file): Caller updated.  Also allow for LTO info marker
822         symbol to be prefixed or not by an extra underscore.
823
824         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
825         * config/i386/winnt.c: Also #include lto-streamer.h
826         (i386_pe_asm_named_section): Specify 1-byte section alignment for
827         LTO named sections.
828         (i386_pe_asm_output_aligned_decl_common): Add comment.
829         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
830
831 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
832
833         PR target/43889
834         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
835         Add missing earlyclobber for second alternative.
836
837 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
838
839         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
840         bits for artificial defs at the top of the block.
841         * fwprop.c (single_def_use_enter_block): Don't call it.
842
843 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
844
845         PR 43715
846         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
847         instead of "$gcc_cv_objdump -T".
848         Use "-undefined dynamic_lookup" on darwin.
849         * gcc/configure: Regenerate.
850
851 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
852
853         PR c/43893
854         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
855
856 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
857
858         * c-parser.c (struct c_token): Move location field up.
859         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
860         (struct c_declspecs): Convert typespec_word, storage_class, and
861         default_int_p into bitfields.
862         (struct c_declarator): Move loc field up.
863
864 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
865
866         * cfgloop.h (struct loop): Move can_be_parallel field up.
867         * ipa-prop.h (struct ip_node_params): Move bitfields up.
868         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
869         down.
870         (struct iv_cand): Convert pos field into a bitfield.
871         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
872         field up.
873         (struct _stmt_vec_info): Shuffle fields for better packing.
874
875 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
876
877         * varasm.c (IN_NAMED_SECTION): Remove guard.
878         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
879         (IN_NAMED_SECTION_P): ...this.
880         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
881         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
882
883 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
884
885         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
886         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
887         of shadowing it.  Fix comments.
888
889 2010-04-26  Jan Hubicka  <jh@suse.cz>
890
891         * cgraph.c (cgraph_create_node): Set node frequency to normal.
892         (cgraph_clone_node): Copy function frequency.
893         * cgraph.h (node_frequency): New enum
894         (struct cgraph_node): Add.
895         * final.c (rest_of_clean_state): Update.
896         * lto-cgraph.c (lto_output_node): Output node frequency.
897         (input_overwrite_node): Input node frequency.
898         * tre-ssa-loop-ivopts (computation_cost): Update.
899         * lto-streamer-out.c (output_function): Do not output function
900         frequency.
901         * predict.c (maybe_hot_frequency_p): Update and handle functions
902         executed once.
903         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
904         attribute lookup.
905         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
906         (compute_function_frequency): Set noreturn functions to be executed
907         once.
908         (choose_function_section): Update.
909         * lto-streamer-in.c (input_function): Do not input function frequency.
910         * function.c (allocate_struct_function): Do not initialize function
911         frequency.
912         * function.h (function_frequency): Remove.
913         (struct function): Remove function frequency.
914         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
915         (try_update): Update.
916         * tree-inline.c (initialize_cfun): Do not update function frequency.
917         * passes.c (pass_init_dump_file): Update.
918         * i386.c (ix86_compute_frame_layout): Update.
919         (ix86_pad_returns): Update.
920
921 2010-04-26  Jie Zhang  <jie@codesourcery.com>
922
923         PR tree-optimization/43833
924         * tree-vrp.c (range_int_cst_p): New.
925         (range_int_cst_singleton_p): New.
926         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
927         when both operands are constants.  Use range_int_cst_p in
928         BIT_IOR_EXPR case.
929
930 2010-04-26  Jan Hubicka  <jh@suse.cz>
931
932         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
933
934 2010-04-26  Richard Guenther  <rguenther@suse.de>
935
936         PR lto/43080
937         * gimple.c (gimple_decl_printable_name): Deal gracefully
938         with a NULL DECL_NAME.
939
940 2010-04-26  Richard Guenther  <rguenther@suse.de>
941
942         PR lto/42425
943         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
944         if emitting debug information and it is either a function
945         or a namespace decl.
946
947 2010-04-26  Ira Rosen  <irar@il.ibm.com>
948
949         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
950         determine if the statement is vectorizable, and a macro to access it.
951         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
952         Skip statements that can't be vectorized. If the analysis fails,
953         mark the statement as unvectorizable if vectorizing basic block.
954         (vect_compute_data_refs_alignment): Likewise.
955         (vect_verify_datarefs_alignment): Skip statements marked as
956         unvectorizable. Add print.
957         (vect_analyze_group_access): Skip statements that can't be
958         vectorized. If the analysis fails, mark the statement as
959         unvectorizable if vectorizing basic block.
960         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
961         * tree-vect-stmts.c (vectorizable_store): Fix the number of
962         generated stmts for SLP.
963         (new_stmt_vec_info): Initialize the new field.
964         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
965         statements marked as unvectorizable.
966
967 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
968
969         * c-common.c (flag_isoc1x): New.
970         (flag_isoc99): Update comment.
971         * c-common.h (flag_isoc1x): New.
972         (flag_isoc99): Update comment.
973         * c-cppbuiltin.c (builtin_define_float_constants): Also define
974         __<type>_DECIMAL_DIG__.
975         * c-opts.c (set_std_c1x): New.
976         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
977         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
978         * c.opt (-std=c1x, -std=gnu1x): New options.
979         * doc/cpp.texi: Mention -std=c1x.
980         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
981         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
982         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
983         * doc/standards.texi: Mention C1X.
984         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
985         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
986         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
987         Define for C1X.
988
989 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
990
991         * config/i386/gmon-sol2.c (_mcleanup): Change format string
992         placeholder from 0x%x to %#x.
993         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
994         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
995         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
996         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
997         * config/i386/i386.c (ix86_target_string): Ditto.
998         (output_pic_addr_const): Ditto.
999         (print_operand): Ditto.
1000
1001 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1002
1003         * combine.c (find_split_point): Add third argument.  Use it
1004         to find nested multiply-accumulate instructions.  Adjust calls.
1005         (try_combine): Adjust call to find_split_point.
1006
1007 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1008
1009         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1010
1011 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1012
1013         PR tree-optimization/41442
1014         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1015         (fold_binary_loc): Call it.
1016
1017 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1018
1019         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1020         * opts.c (common_handle_option): Allow disabling it.
1021         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1022
1023 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1024
1025         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1026         between modes if both types are integral.
1027
1028 2010-04-23  Richard Guenther  <rguenther@suse.de>
1029
1030         PR tree-optimization/43572
1031         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1032
1033 2010-04-23  Richard Guenther  <rguenther@suse.de>
1034
1035         PR lto/43455
1036         * tree-inline.c (tree_can_inline_p): Also check compatibility
1037         of return types.
1038
1039 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1040
1041         PR tree-optimization/43846
1042         * tree-sra.c (struct access): New flag grp_assignment_read.
1043         (build_accesses_from_assign): Set grp_assignment_read.
1044         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1045         (enum mark_read_status): New type.
1046         (analyze_access_subtree): Propagate grp_assignment_read, create
1047         accesses also if both direct_read and root->grp_assignment_read.
1048
1049 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1050
1051         PR middle-end/43835
1052         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1053         function does not have type attributes.
1054
1055 2010-04-23  Richard Guenther  <rguenther@suse.de>
1056
1057         PR lto/42653
1058         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1059         of FUNCTION_DECLs.
1060
1061 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1062
1063         * sese.h (create_if_region_on_edge): Remove.
1064
1065         * sese.c (create_if_region_on_edge): Make static.
1066
1067         * tree-inline.c: Do not include ggc.h.
1068
1069         * expr.c: Do not include ggc.h.
1070
1071         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1072         dependencies.
1073
1074 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1075
1076         PR target/43744
1077         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1078         in the middle of insns for casesi_worker_2.
1079
1080 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1081
1082         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1083
1084 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1085
1086         PR tree-optimization/43842
1087         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1088         loop unrolling in update of exit phis. Fix comment.
1089         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1090         least two reduction statements in the loop before starting SLP
1091         analysis.
1092
1093 2010-04-22  Nick Clifton  <nickc@redhat.com>
1094
1095         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1096
1097 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1098
1099         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1100         to simplify a + ~a.
1101
1102 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1103
1104         * tree-parloops.c (loop_parallel_p): New argument
1105         parloop_obstack.  Pass it down.
1106         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1107         pass it down, free it.
1108
1109         * tree-loop-linear.c (linear_transform_loops): Pass down
1110         lambda_obstack.
1111
1112         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1113         of type struct obstack *.
1114
1115         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1116         scratch_obstack.  Initialize it, pass down, free it.
1117
1118         * lambda.h (lambda_loop_new): Remove.
1119         (lambda_matrix_new, lambda_matrix_inverse)
1120         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1121         argument of type struct obstack *.
1122
1123         * lambda-trans.c (lambda_trans_matrix_new): New argument
1124         lambda_obstack.  Pass it down, use obstack allocation for ret.
1125         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1126         it down.
1127
1128         * lambda-mat.c (lambda_matrix_get_column)
1129         (lambda_matrix_project_to_null): Remove.
1130         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1131         allocation for mat.
1132         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1133         lambda_obstack.
1134
1135         * lambda-code.c (lambda_loop_new): New function.
1136         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1137         (lambda_compute_auxillary_space, lambda_compute_target_space)
1138         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1139         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1140         (build_access_matrix): New argument lambda_obstack.  Use obstack
1141         allocation for am.
1142         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1143         argument lambda_obstack.  Pass it down.
1144
1145 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1146
1147         * optabs.h (expand_widening_mult): Declare.
1148
1149 2010-04-22  Richard Guenther  <rguenther@suse.de>
1150
1151         PR tree-optimization/43845
1152         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1153         lookup the CALL_EXPR function and arguments.
1154
1155 2010-04-22  Nick Clifton  <nickc@redhat.com>
1156
1157         * config/stormy16/stormy16.c
1158         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1159         * config/stormy16/stormy16.h: Tidy up formatting.
1160         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1161         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1162         (ineqbranchsi): Delete pattern.
1163         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1164         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1165         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1166         stormy16-lib2-ucmpsi2.c.
1167
1168 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1169
1170         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1171         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1172         extra set merge_set_noclobber, and use it to relax the final test
1173         slightly.
1174         * df.h (df_simulate_find_noclobber_defs): Declare.
1175         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1176         conditional defs.
1177         (df_simulate_find_noclobber_defs): New function.
1178
1179 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1180
1181         * config/i386/i386.md: Use {} around multi-line preparation statements.
1182
1183 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1184
1185         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1186         (process_init_element): New argument of type struct obstack *.
1187
1188         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1189         (set_init_index, set_init_label, set_nonincremental_init)
1190         (set_nonincremental_init_from_string, find_init_member)
1191         (output_init_element, output_pending_init_elements)
1192         (process_init_element): New argument braced_init_obstack.  Pass it
1193         down.
1194         (push_range_stack, add_pending_init): New argument
1195         braced_init_obstack.  Use obstack allocation.
1196
1197         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1198         braced_init_obstack.  Pass it down.
1199         (c_parser_braced_init): New variables ret, braced_init_obstack.
1200         Initialize obstack, pass it down and finally free it.
1201
1202 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1203
1204         PR middle-end/29274
1205         * tree-pass.h (pass_optimize_widening_mul): Declare.
1206         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1207         gate_optimize_widening_mul): New static functions.
1208         (pass_optimize_widening_mul): New.
1209         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1210         <case MULT_EXPR>: Remove support for widening multiplies.
1211         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1212         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1213         simplify_gen_unary rather than directly building extensions.
1214         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1215         WIDEN_MULT_EXPR.
1216         * expmed.c (expand_widening_mult): New function.
1217         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1218
1219 2010-04-21  Jan Hubicka  <jh@suse.cz>
1220
1221         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1222         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1223         * lto-wpa-fixup.c: Remove.
1224         * Makefile.in (lto-wpa-fixup.o): Remove.
1225         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1226         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1227         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1228
1229 2010-04-21  Jan Hubicka  <jh@suse.cz>
1230
1231         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1232         add write_optimization_summary, read_optimization_summary.
1233         (ipa_write_summaries_of_cgraph_node_set): Remove.
1234         (ipa_write_optimization_summaries): Declare.
1235         (ipa_read_optimization_summaries): Declare.
1236         * ipa-cp.c (pass_ipa_cp): Update.
1237         * ipa-reference.c (pass_ipa_reference): Update.
1238         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1239         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1240         Update.
1241         * ipa-inline.c (pass_ipa_inline): Update.
1242         * ipa.c (pass_ipa_whole_program): Update.
1243         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1244         * passes.c (ipa_write_summaries_1): Do not test wpa.
1245         (ipa_write_optimization_summaries_1): New.
1246         (ipa_write_optimization_summaries): New.
1247         (ipa_read_summaries): Do not test ltrans.
1248         (ipa_read_optimization_summaries_1): New.
1249         (ipa_read_optimization_summaries): New.
1250
1251 2010-04-21  Jan Hubicka  <jh@suse.cz>
1252
1253         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1254         for boundary nodes.
1255         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1256
1257 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1258
1259         PR debug/40040
1260         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1261         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1262
1263 2010-04-21  Jan Hubicka  <jh@suse.cz>
1264
1265         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1266
1267 2010-04-21  Jan Hubicka  <jh@suse.cz>
1268
1269         * varpool.c (decide_is_variable_needed): Variable is always needed
1270         during ltrans.
1271
1272 2010-04-21  Jan Hubicka  <jh@suse.cz>
1273
1274         * opts.c (decode_options): Enable pure-const pass for whopr.
1275
1276 2010-04-21  Jan Hubicka  <jh@suse.cz>
1277
1278         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1279         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1280         at WPA dumping.
1281         (cgraph_decide_inlining): Do not expect callee to be removed in all
1282         cases.
1283
1284 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1285
1286         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1287
1288 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1289
1290         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1291         amdfam10_decode attributes.
1292
1293 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR middle-end/43570
1296         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1297         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1298         (lower_copyprivate_clauses): Use private var in outer
1299         context instead of original var.  Make sure the types
1300         are correct for VLAs.
1301
1302 2010-04-21  Richard Guenther  <rguenther@suse.de>
1303
1304         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1305         to non-pointer objects.
1306
1307 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1308
1309         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1310         last chain entry if it starts with the still current label.
1311         (add_location_or_const_value_attribute): Check that
1312         loc_list->first->next is NULL instead of comparing ->first with ->last.
1313         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1314         to add_var_loc_to_decl.
1315
1316         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1317         >= 4 add also address size and segment size fields into CIE header.
1318
1319         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1320         long as address size is the same as sizeof (void *) and
1321         segment size is 0.
1322         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1323         address size or segment size is unexpected, return DW_EH_PE_omit.
1324         (classify_object_over_fdes): If get_cie_encoding returned
1325         DW_EH_PE_omit, return -1.
1326         (init_object): If classify_object_over_fdes returned -1,
1327         pretend there were no FDEs at all.
1328
1329 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1332         bswap{si,di}2 using SWI48 mode iterator.
1333         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1334         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1335         set modrm attribute of bswap insn to 0 and remove length attribute.
1336         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1337         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1338         set mode attribute to <MODE> and remove length attribute.
1339
1340 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1341
1342         PR rtl-optimization/43520
1343         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1344         zero available registers.
1345
1346 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1347
1348         * builtins.c (fold_builtin_cproj): Fold more cases.
1349
1350 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1351
1352         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1353         (fold_builtin_1): Fold builtin cproj.
1354         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1355         Use ATTR_CONST_NOTHROW_LIST.
1356
1357 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1358
1359         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1360         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1361         ffsi2_no_cmove for !TARGET_CMOVE.
1362         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1363         (ffssi2): Remove expander.
1364         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1365         mode iterator.
1366         (ctz<mode>2): Ditto from ctz{si,di}2.
1367         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1368         mode iterator.
1369         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1370         mode iterator.
1371
1372 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * dwarf2out.c (AT_linkage_name): Define.
1375         (clone_as_declaration): Handle DW_AT_linkage_name.
1376         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1377         of DW_AT_MIPS_linkage_name.
1378         (move_linkage_attr): Likewise.
1379         (dwarf2out_finish): Likewise.
1380
1381 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1382
1383         PR middle-end/41952
1384         * fold-const.c (fold_comparison): New folding rule.
1385
1386 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1387
1388         * double-int.h (double_int_setbit): Declare.
1389         * double-int.c (double_int_setbit): New function.
1390         * rtl.h (immed_double_int_const): Declare.
1391         * emit-rtl.c (immed_double_int_const): New function.
1392         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1393         and immed_double_int_const functions.
1394         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1395         expand_copysign_bit):  (Ditto.).
1396         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1397         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1398         * dojump.c (prefer_and_bit_test): (Ditto.).
1399         * expr.c (convert_modes, reduce_to_bit_field_precision,
1400         const_vector_from_tree): (Ditto.).
1401         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1402
1403 2010-04-20  Jan Hubicka  <jh@suse.cz>
1404
1405         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1406         (dump_cgraph_node): Dump new flags.
1407         * cgraph.h (struct cgraph_node): Add flags
1408         reachable_from_other_partition and in_other_partition.
1409         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1410         other partition can not be removed.
1411         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1412         the other partition must be output; silence sanity checking on
1413         leaking functions bodies from other paritition.
1414         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1415         (lto_output_node): Output new flags; do not sanity check that inline
1416         clones are output; drop lto_forced_extern_inline_p code; do not mock
1417         visibility flags at partition boundaries.
1418         (add_node_to): New function.
1419         (output_cgraph): Use it to sort functions so masters appear before
1420         clones.
1421         (input_overwrite_node): Input new flags.
1422         * passes.c (ipa_write_summaries): Do not call
1423         lto_new_extern_inline_states.
1424         * lto-section-out.c (forced_extern_inline,
1425         lto_new_extern_inline_states lto_delete_extern_inline_states,
1426         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1427         * lto-streamer.h (lto_new_extern_inline_states,
1428         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1429         lto_forced_extern_inline_p): Kill.
1430
1431 2010-04-20  Richard Guenther  <rguenther@suse.de>
1432
1433         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1434         from vars that can have pointers.
1435         (process_constraint): Dump useless constraints.
1436
1437 2010-04-20  Richard Guenther  <rguenther@suse.de>
1438
1439         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1440         (dump_sa_points_to_info): Remove asserts.
1441         (init_base_vars): nothing_id isn't an escape point nor does it
1442         have pointers.
1443
1444 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1445
1446         * tree.h (TYPE_REF_IS_RVALUE): Define.
1447         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1448         should_move_die_to_comdat, prune_unused_types_walk): Handle
1449         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1450         (modified_type_die, gen_reference_type_die): Emit
1451         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1452         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1453
1454 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1455
1456         PR target/43635
1457         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1458         calls for -fpic -m31 if they have been sibcall optimized.
1459
1460 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1461
1462         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1463         ar.lc fixed and call-used.
1464
1465         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1466
1467 2010-04-19  Jan Hubicka  <jh@suse.cz>
1468
1469         * opts.c (decode_options): Disable whpr incompatible passes.
1470         * lto/lto.c (lto_1_to_1_map): Skip clones.
1471         (read_cgraph_and_symbols): Do not mark everything as needed.
1472         (do_whole_program_analysis): Do map only after optimizing;
1473         set proper cgraph_state; use passmanager.
1474
1475 2010-04-19  DJ Delorie  <dj@redhat.com>
1476
1477         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1478         POINTER_PLUS_EXPR and fix them.
1479
1480 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1481
1482         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1483         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1484         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1485         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1486         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1487         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1488         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1489         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1490         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1491         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1492         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1493
1494 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1495
1496         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1497         (check_cond_move_block): Likewise.
1498         (cond_move_process_if_block): Likewise.
1499         (noce_find_if_block): Improve formatting.
1500         (find_if_header): Pass 0 to memset and tweak conditions.
1501         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1502
1503 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1504
1505         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1506         for -gdwarf-4.
1507
1508         PR middle-end/43337
1509         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1510         with non-local decl doesn't need chain.
1511
1512 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1513
1514         * ira-color.c (allocno_reload_assign): Avoid accumulating
1515         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1516
1517 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1518
1519         * gimple.h (create_tmp_reg): Declare.
1520         * gimplify.c (create_tmp_reg): New function.
1521         (gimplify_return_expr): Use create_tmp_reg.
1522         (gimplify_omp_atomic): Likewise.
1523         (gimple_regimplify_operands): Likewise.
1524         * tree-dfa.c (make_rename_temp): Likewise.
1525         * tree-predcom.c (predcom_tmp_var): Likewise.
1526         (reassociate_to_the_same_stmt): Likewise.
1527         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1528         (get_replaced_param_substitute): Likewise.
1529         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1530         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1531         * tree-ssa-pre.c (get_representative_for): Likewise.
1532         (create_expression_by_pieces): Likewise.
1533         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1534         (create_tailcall_accumulator): Likewise.
1535
1536 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1537
1538         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1539         new_stmt.
1540         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1541
1542 2010-04-19  Richard Guenther  <rguenther@suse.de>
1543
1544         PR tree-optimization/43796
1545         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1546         from SCEV in the lattice.
1547         (vrp_visit_phi_node): Dump change.
1548
1549 2010-04-19  Richard Guenther  <rguenther@suse.de>
1550
1551         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1552         * configure: Re-generated.
1553
1554 2010-04-19  Richard Guenther  <rguenther@suse.de>
1555
1556         PR tree-optimization/43783
1557         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1558         constant ARRAY_REF operands two and three if possible.
1559
1560 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1561
1562         PR target/43766
1563         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1564
1565 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1566
1567         PR target/43662
1568         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1569
1570 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1571
1572         PR tree-optimization/37027
1573         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1574         and macro to access it.
1575         (vectorizable_reduction): Add argument.
1576         (vect_get_slp_defs): Likewise.
1577         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1578         statements for possible use in SLP.
1579         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1580         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1581         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1582         add new argument.
1583         (vectorizable_reduction): Likewise.
1584         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1585         vect_get_slp_defs.
1586         (vectorizable_type_demotion, vectorizable_type_promotion,
1587         vectorizable_store): Likewise.
1588         (vect_analyze_stmt): Update call to vectorizable_reduction.
1589         (vect_transform_stmt): Likewise.
1590         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1591         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1592         from different interleaving chains in same node.
1593         (vect_slp_rearrange_stmts): New function.
1594         (vect_supported_load_permutation_p): Allow load permutations for
1595         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1596         inside SLP nodes if necessary.
1597         (vect_analyze_slp_instance): Handle reductions.
1598         (vect_analyze_slp): Try to build SLP instances originating from groups
1599         of reductions.
1600         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1601         (vect_get_constant_vectors): Create initial vectors for reductions
1602         according to reduction code. Add new argument.
1603         (vect_get_slp_defs): Add new argument, pass it to
1604         vect_get_constant_vectors.
1605         (vect_schedule_slp_instance): Remove SLP tree root statements.
1606
1607 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1608
1609         * tree.h (ENUM_IS_SCOPED): Define.
1610         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1611         for ENUM_IS_SCOPED enums.
1612
1613 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         * fold-const.c (fold_comparison): Use ssizetype.
1616         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1617         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1618         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1619         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1620
1621         * tree.h (initialize_sizetypes): Remove parameter.
1622         (build_common_tree_nodes): Remove second parameter.
1623         * stor-layout.c (initialize_sizetypes): Remove parameter.
1624         Always create an unsigned type.
1625         (set_sizetype): Assert that the passed type is unsigned and simplify.
1626         * tree.c (build_common_tree_nodes): Remove second parameter.
1627         Adjust call to initialize_sizetypes.
1628         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1629         build_common_tree_nodes.
1630
1631 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1632
1633         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1634
1635 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1636
1637         PR tree-optimization/43771
1638         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1639         load permutation doesn't have gaps.
1640
1641 2010-04-18  Jan Hubicka  <jh@suse.cz>
1642
1643         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1644         (sse_prologue_save_insn expander): Use new pattern.
1645         (sse_prologue_save_insn1): New pattern and splitter.
1646         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1647         blocks.
1648         * i386.c (setup_incoming_varargs_64): Do not compute jump
1649         destination here.
1650         (ix86_gimplify_va_arg): Update alignment needed.
1651         (ix86_local_alignment): Do not align all local arrays to 128bit.
1652
1653 2010-04-17  Jan Hubicka  <jh@suse.cz>
1654
1655         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1656
1657 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1658
1659         * arm.md (negdi2): Remove redundant code to force values into a
1660         register.
1661
1662 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1663
1664         * arm/bpabi.S: Add EABI alignment attributes to objects.
1665         * arm/bpabi-v6m.S: Likewise.
1666         * arm/crti.asm: Likewise.
1667         * arm/crtn.asm: Likewise.
1668         * arm/lib1funcs.asm: Likewise.
1669         * arm/libunwind.S: Likewise.
1670
1671 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1672
1673         * arm-protos.h (tune_params): New structure.
1674         * arm.c (current_tune): New variable.
1675         (arm_constant_limit): Delete.
1676         (struct processors): Add pointer to the tune parameters.
1677         (arm_slowmul_tune): New tuning option.
1678         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1679         (all_cores): Adjust to pick up the tuning model.
1680         (arm_constant_limit): New function.
1681         (arm_override_options): Select the appropriate tuning model.  Delete
1682         initialization of arm_const_limit.
1683         (arm_split_constant): Use the new constant-limit model.
1684         (arm_rtx_costs): Pick up the current tuning model.
1685         * arm.md (is_strongarm, is_xscale): Delete.
1686         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1687         for Xscale variant architectures.
1688         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1689
1690 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1691
1692         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1693         can_shift.
1694         (arm_rtx_costs_1): Remove unused variable extra_cost.
1695         (arm_unwind_emit_set): Use variable offset.
1696         (thumb1_output_casesi): Remove unused variable flags.
1697
1698 2010-04-16  Jeff Law  <law@redhat.com>
1699
1700         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1701         needing assignment rather than doing a two-phase assignment.  Remove
1702         unused variable 'm'.
1703
1704 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1705
1706         PR bootstrap/43767
1707         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1708
1709 2010-04-16  Doug Kwan  <dougkwan@google.com>
1710
1711         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1712         (next_operand_entry_id): New static variable.
1713         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1714         (add_to_ops_vec): Assigned unique ID to operand entry.
1715         (struct oecount_s): New field ID.
1716         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1717         (undistribute_ops_list): Assign unique IDs to oecounts.
1718         (init_reassoc): reset next_operand_entry_id.
1719
1720 2010-04-16  Doug Kwan  <dougkwan@google.com>
1721
1722         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1723         missing left parenthesis.
1724
1725 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1726
1727         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1728         *btdi_rex64 using SWI48 mode iterator.
1729         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1730         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1731         *jcc_btdi_mask_rex64.
1732
1733 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1734
1735         * double-int.h (tree_to_double_int): Convert to macro.
1736         * double-int.c (tree_to_double_int): Remove.
1737
1738 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR debug/43762
1741         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1742         with want_address 2 and in case a single element list might be
1743         possible, call it again with want_address 0.
1744
1745 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1746
1747         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1748         case 'W' print operands for HI mode.
1749         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1750         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1751         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1752         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1753
1754         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1755
1756         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1757         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1758         #xx:3 and #xx:4 mode.
1759
1760         * config/h8300/h8300.md (inverted load with HImode dest): Add
1761         support for H8300SX.
1762
1763         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1764         satisfy 'U' constraint.
1765
1766 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1767
1768         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1769         * configure: Regenerate.
1770         * config.in: Regenerate.
1771         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1772         works.
1773
1774 2010-04-16  Richard Guenther  <rguenther@suse.de>
1775
1776         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1777         (struct tree_decl_common): ... here.
1778         (DECL_PT_UID): Adjust.
1779         (SET_DECL_PT_UID): Likewise.
1780         (DECL_PT_UID_SET_P): Likewise.
1781
1782 2010-04-16  Richard Guenther  <rguenther@suse.de>
1783
1784         PR tree-optimization/43572
1785         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1786         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1787         * tree-flow.h (is_call_clobbered): Remove.
1788         * tree-flow-inline.h (is_call_clobbered): Likewise.
1789         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1790         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1791         (execute_return_slot_opt): Adjust.
1792         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1793         check for call clobbered vars here.
1794         (find_tail_calls): Move tailcall verification to the
1795         proper place.
1796
1797 2010-04-16  Diego Novillo  <dnovillo@google.com>
1798
1799         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1800
1801 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1802
1803         PR target/40603
1804         * config/arm/arm.md (cbranchqi4): New pattern.
1805         * config/arm/predicates.md (const0_operand,
1806         cbranchqi4_comparison_operator): New predicates.
1807
1808 2010-04-16  Richard Guenther  <rguenther@suse.de>
1809
1810         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1811         (dump_gimple_stmt): Likewise.
1812
1813 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1814
1815         * recog.h (struct recog_data): New field is_operator.
1816         (struct insn_operand_data): New field is_operator.
1817         * recog.c (extract_insn): Set recog_data.is_operator.
1818         * genoutput.c (output_operand_data): Emit code to set the
1819         is_operator field.
1820         * reload.c (find_reloads): Use it rather than testing for an
1821         empty constraint string.
1822
1823         PR target/41514
1824         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1825         If the previous insn is a cbranchsi4_insn with the same arguments,
1826         omit the compare instruction.
1827
1828         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1829         register, inputs must be low registers and we need a low register
1830         scratch.  Handle alternative 2 like alternative 3.
1831
1832 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1833
1834         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1835         don't call get_addr on both.  If one expression is a VALUE and
1836         the other a REG, check VALUE's locs if the REG isn't among them.
1837
1838 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1839
1840         * config/sh/sh.h (sh_frame_pointer_required): New function.
1841         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1842         (flag_omit_frame_pointer) Set.
1843         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1844         (rounded_frame_size): Adjust size with outgoing_args_size.
1845         (sh_set_return_address): Must return from stack pointer.
1846         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1847         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1848         (ACCUMULATE_OUTGOING_ARGS): Define.
1849         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1850         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1851
1852 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1853
1854         PR target/43471
1855         * config/sh/sh.c (sh_legitimize_reload_address): Use
1856         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1857         Remove a unneeded check for offset_base.
1858
1859 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         * configure: Regenerated.
1862
1863 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1864
1865         * config/s390/s390.c (s390_call_save_register_used): Switch back
1866         to HARD_REGNO_NREGS.
1867
1868 2010-04-15  Richard Guenther  <rguenther@suse.de>
1869
1870         * alias.c (alias_set_subset_of): Handle alias-set zero
1871         child properly.
1872
1873 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1874             Julian Brown  <julian@codesourcery.com>
1875
1876         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1877         alternatives according to use of high and low regs.
1878         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1879         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1880         optimizing for size on Thumb-2.
1881
1882 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1883
1884         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1885
1886 2010-04-15  Richard Guenther  <rguenther@suse.de>
1887
1888         * tree-ssa-structalias.c (struct variable_info): Add
1889         is_fn_info flag.
1890         (new_var_info): Initialize it.
1891         (dump_constraints): Support printing last added constraints.
1892         (debug_constraints): Adjust.
1893         (dump_constraint_graph): Likewise.
1894         (make_heapvar_for): Check for NULL cfun.
1895         (get_function_part_constraint): New function.
1896         (get_fi_for_callee): Likewise.
1897         (find_func_aliases): Properly implement IPA PTA constraints.
1898         (process_ipa_clobber): New function.
1899         (find_func_clobbers): Likewise.
1900         (insert_into_field_list_sorted): Remove.
1901         (create_function_info_for): Properly allocate vars for IPA mode.
1902         Do not use insert_into_field_list_sorted.
1903         (create_variable_info_for): Properly generate constraints for
1904         global vars in IPA mode.
1905         (dump_solution_for_var): Always dump the solution.
1906         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1907         (find_what_var_points_to): Adjust.
1908         (pt_solution_set): Change.
1909         (pt_solution_ior_into): New function.
1910         (pt_solution_empty_p): Export.
1911         (pt_solution_includes_global): Adjust.
1912         (pt_solution_includes_1): Likewise.
1913         (pt_solutions_intersect_1): Likewise.
1914         (dump_sa_points_to_info): Check some invariants.
1915         (solve_constraints): Move constraint dumping ...
1916         (compute_points_to_sets): ... here.
1917         (ipa_pta_execute): ... and here.
1918         (compute_may_aliases): Do not re-compute points-to info
1919         locally if IPA info is available.
1920         (ipa_escaped_pt): New global var.
1921         (ipa_pta_execute): Properly implement IPA PTA.
1922         * tree-into-ssa.c (dump_decl_set): Support dumping
1923         decls not in referenced-vars.
1924         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1925         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1926         (dump_points_to_solution): Likewise.
1927         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1928         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1929         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1930         (copy_decl_to_var): Copy DECL_PT_UID.
1931         (copy_result_decl_to_var): Likewise.
1932         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1933         (copy_node_stat): Copy it.
1934         * tree.h (DECL_PT_UID): New macro.
1935         (SET_DECL_PT_UID): Likewise.
1936         (DECL_PT_UID_SET_P): Likewise.
1937         (struct tree_decl_minimal): Add pt_uid member.
1938         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1939         (pt_solution_empty_p): Declare.
1940         (pt_solution_set): Adjust.
1941         (ipa_escaped_pt): Declare.
1942         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1943         * gimple-pretty-print.c (pp_points_to_solution): New function.
1944         (dump_gimple_call): Dump call clobber/use information.
1945         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1946         * tree-pass.h (TDF_ALIAS): New dump option.
1947         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1948         * doc/invoke.texi (-fipa-pta): Update documentation.
1949
1950 2010-04-15  Richard Guenther  <rguenther@suse.de>
1951
1952         * Makefile.in (OBJS-common): Add gimple-fold.o.
1953         (gimple-fold.o): New rule.
1954         * tree.h (maybe_fold_offset_to_reference,
1955         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1956         prototypes ...
1957         * gimple.h: ... here.
1958         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1959         may_propagate_address_into_dereference): Move prototypes ...
1960         * gimple.h: ... here.
1961         * tree-ssa-ccp.c (get_symbol_constant_value,
1962         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1963         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1964         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1965         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1966         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1967         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1968         gimplify_and_update_call_from_tree): Move ...
1969         * gimple-fold.c: ... here.  New file.
1970         (ccp_fold_builtin): Rename to ...
1971         (gimple_fold_builtin): ... this.
1972         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1973
1974 2010-04-15  Richard Guenther  <rguenther@suse.de>
1975
1976         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1977         fit_double_type, force_fit_type_double, add_double_with_sign,
1978         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1979         lrotate_double, rrotate_double, div_and_round_double): Move ...
1980         * double-int.c: ... here.
1981         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1982         add_double, neg_double, mul_double_with_sign, mul_double,
1983         lshift_double, rshift_double, lrotate_double, rrotate_double,
1984         div_and_round_double): Move prototypes ...
1985         * double-int.h: ... here.
1986
1987 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1988
1989         PR target/43742
1990         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1991         matching constraints to ensure inputs match the output.
1992
1993 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1994
1995         PR target/43742
1996         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1997         in an input-only operand.
1998
1999 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2000
2001         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2002         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2003         (double_int_negative_p): Convert to static inline function.
2004         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2005         (double_int_negative_p): Remove.
2006         * tree.h (lshift_double, rshift_double):
2007         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2008         * fold-const.c (fold_convert_const_int_from_real,
2009         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2010         (lshift_double): Change type of arith argument to bool.
2011         (rshift_double): Change type of arith argument to bool. Correct
2012         comment.
2013         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2014
2015 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2016
2017         PR target/21803
2018         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2019         at the start and end of the then/else blocks, and omit them from the
2020         conversion.
2021         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2022         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2023         (flow_find_head_matching_sequence): New function.
2024         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2025         * basic-block.h (flow_find_cross_jump,
2026         flow_find_head_matching_sequence): Declare functions.
2027
2028 2010-04-14  Jason Merrill  <jason@redhat.com>
2029
2030         PR c++/36625
2031         * c-common.c (attribute_takes_identifier_p): New fn.
2032         * c-common.h: Declare it.
2033
2034 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2035
2036         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2037         splitter condition.
2038         (*udivmod<mode>4): Ditto.
2039
2040 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         * config/i386/i386.md (maxmin_int): Rename code attribute from
2043         maxminiprefix and update all users.
2044         (maxmin_float): Ditto from maxminfprefix.
2045         (logic): Ditto from logicprefix.
2046         (absneg_mnemonic): Ditto from absnegprefix.
2047         * config/i386/mmx.md: Update all users of maxminiprefix,
2048         maxminfprefix and logicprefix for rename.
2049         * config/i386/sse.md: Ditto.
2050         * config/i386/sync.md (sync_<code><mode>): Update for
2051         logicprefix rename.
2052
2053 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2054
2055         PR 42966
2056         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2057         warnings converted to errors.
2058
2059 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2060
2061         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2062         used insn_type variable.
2063         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2064         to avoid set-but-not-used warning.
2065
2066 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2067
2068         * df-core.c (df_ref_debug): Change format string placeholder
2069         from 0x%x to %#x.
2070         * dwarf2asm.c (dw2_asm_output_data_raw,
2071         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2072         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2073         * dwarf2out.c (output_cfi, output_cfi_directive,
2074         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2075         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2076         Ditto.
2077         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2078         * print-rtl.c (print_rtx): Ditto.
2079
2080 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2081
2082         PR middle-end/42694
2083         * builtins.c (expand_builtin_pow_root): New function to expand pow
2084         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2085         series of sqrt and cbrt calls under -ffast-math.
2086         (expand_builtin_pow): Call it.
2087
2088 2010-04-14  Michael Matz  <matz@suse.de>
2089
2090         PR tree-optimization/42963
2091         * tree-cfg.c (touched_switch_bbs): New static variable.
2092         (group_case_labels_stmt): New function broken out from ...
2093         (group_case_labels): ... here, use the above.
2094         (start_recording_case_labels): Allocate touched_switch_bbs.
2095         (end_recording_case_labels): Deallocate it, call
2096         group_case_labels_stmt.
2097         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2098
2099 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2100
2101         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2102         from insn template.
2103
2104 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2105
2106         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2107
2108 2010-04-13  Jan Hubicka  <jh@suse.cz>
2109
2110         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2111         of optimized out static functions.
2112         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2113         cost computation.  Also sanity check for overflows.
2114         (update_caller_keys): Update cgraph_edge_badness call; properly
2115         update fibheap and sanity check that it is up to date.
2116         (add_new_edges_to_heap): Update cgraph_edge_badness.
2117         (cgraph_decide_inlining_of_small_function): Likewise;
2118         add sanity checking that badness in heap is up to date;
2119         improve dumping of reason; Update badness of calls to the
2120         offline copy of function currently inlined; dump badness
2121         of functions not inlined because of unit growth limits.
2122
2123 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2124
2125         PR middle-end/32628
2126         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2127         because of sign-extension change when converting to sizetype here...
2128         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2129
2130         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2131         the folding to constants.  Remove redundant final conversion.
2132         (fold_binary) <associate>: Do not associate if the re-association of
2133         constants alone overflows.
2134         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2135         to the end of the list.
2136         (multiple_of_p) <COND_EXPR>: New case.
2137
2138 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2139
2140         * opt-functions.awk (opt_sanitized_name): New.
2141         (opt_enum): New.
2142         * optc-gen.awk: Use it
2143         * opth-gen.awk: Use it.
2144
2145 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2146
2147         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2148         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2149         children.  Call replace_uses_with_default_def_ssa_name to handle
2150         SSA_NAES on lhs.
2151
2152 2010-04-13  Michael Matz  <matz@suse.de>
2153
2154         PR middle-end/43730
2155         * builtins.c (expand_builtin_interclass_mathfn): Also create
2156         a register if the predicate doesn't match.
2157
2158 2010-04-13  Diego Novillo  <dnovillo@google.com>
2159
2160         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2161         * c-pch.c: Include timevar.h.
2162         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2163         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2164         * ggc-common.c: Include timevar.h.
2165         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2166         * timevar.def (TV_PCH_SAVE): Define.
2167         (TV_PCH_CPP_SAVE): Define.
2168         (TV_PCH_PTR_REALLOC): Define.
2169         (TV_PCH_PTR_SORT): Define.
2170         (TV_PCH_RESTORE): Define.
2171         (TV_PCH_CPP_RESTORE): Define.
2172
2173 2010-04-13  Michael Matz  <matz@suse.de>
2174
2175         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2176         into MINUS_EXPRs.
2177         (can_reassociate_p): New function.
2178         (break_up_subtract_bb, reassociate_bb): Use it.
2179
2180 2010-04-13  Richard Guenther  <rguenther@suse.de>
2181
2182         PR bootstrap/43737
2183         * builtins.c (c_readstr): Fix assert.
2184
2185 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2186
2187         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2188         when generating cltd insn.
2189
2190         (*ashl<mode>3_1): Remove special handling for register operand 2.
2191         (*ashlsi3_1_zext): Ditto.
2192         (*ashlhi3_1): Ditto.
2193         (*ashlhi3_1_lea): Ditto.
2194         (*ashlqi3_1): Ditto.
2195         (*ashlqi3_1_lea): Ditto.
2196         (*<shiftrt_insn><mode>3_1): Ditto.
2197         (*<shiftrt_insn>si3_1_zext): Ditto.
2198         (*<shiftrt_insn>qi3_1_slp): Ditto.
2199         (*<rotate_insn><mode>3_1): Ditto.
2200         (*<rotate_insn>si3_1_zext): Ditto.
2201         (*<rotate_insn>qi3_1_slp): Ditto.
2202
2203 2010-04-13  Richard Guenther  <rguenther@suse.de>
2204
2205         * tree-ssa-structalias.c (callused_id): Remove.
2206         (call_stmt_vars): New.
2207         (get_call_vi): Likewise.
2208         (lookup_call_use_vi): Likewise.
2209         (lookup_call_clobber_vi): Likewise.
2210         (get_call_use_vi): Likewise.
2211         (get_call_clobber_vi): Likewise.
2212         (make_transitive_closure_constraints): Likewise.
2213         (handle_const_call): Adjust to do per-call call-used handling.
2214         (handle_pure_call): Likewise.
2215         (find_what_var_points_to): Remove general callused handling.
2216         (init_base_vars): Likewise.
2217         (init_alias_vars): Initialize call_stmt_vars.
2218         (compute_points_to_sets): Process call-used and call-clobbered
2219         vars for call statements.
2220         (delete_points_to_sets): Free call_stmt_vars.
2221
2222 2010-04-13  Richard Guenther  <rguenther@suse.de>
2223
2224         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2225         Only add RW dependence for dependence distance zero.
2226         Adjust maximal vectorization factor according to dependences.
2227         Move alignment handling ...
2228         (vect_find_same_alignment_drs): ... here.  New function.
2229         (vect_analyze_data_ref_dependences): Adjust.
2230         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2231         (vect_analyze_data_refs): Adjust minimal vectorization factor
2232         according to data references.
2233         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2234         dependences before determining the vectorization factor.
2235         Analyze alignment after determining the vectorization factor.
2236         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2237         dependences before alignment.
2238         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2239         Adjust prototype.
2240         (vect_analyze_data_refs): Likewise.
2241         (MAX_VECTORIZATION_FACTOR): New define.
2242
2243 2010-04-13  Duncan Sands  <baldrick@free.fr>
2244
2245         * except.h (lang_eh_type_covers): Remove.
2246         * except.c (lang_eh_type_covers): Likewise.
2247
2248 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2249             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2250
2251         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2252         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2253         UNITS_PER_LONG where it is ABI relevant.
2254         (s390_return_addr_rtx): Likewise.
2255         (s390_back_chain_rtx): Likewise.
2256         (s390_frame_area): Likewise.
2257         (s390_frame_info): Likewise.
2258         (s390_initial_elimination_offset): Likewise.
2259         (save_gprs): Likewise.
2260         (s390_emit_prologue): Likewise.
2261         (s390_emit_epilogue): Likewise.
2262         (s390_function_arg_advance): Likewise.
2263         (s390_function_arg): Likewise.
2264         (s390_va_start): Likewise.
2265         (s390_gimplify_va_arg): Likewise.
2266         (s390_function_profiler): Likewise.
2267         (s390_optimize_prologue): Likewise.
2268         (s390_rtx_costs): Likewise.
2269         (s390_secondary_reload): Likewise.
2270         (s390_promote_function_mode): Likewise.
2271         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2272         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2273         registers available.
2274         (s390_unwind_word_mode): New function.
2275         (s390_function_value): Split 64 bit values into register pair if
2276         used as return value.
2277         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2278         function call parameters.  Handle parallels.
2279         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2280         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2281         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2282         (s390_expand_setmem): Remove unused variable src_addr.
2283         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2284         deal with 64 bit registers.
2285         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2286         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2287         (UNITS_PER_LONG): New macro.
2288         * libjava/include/s390-signal.h: Define extended ucontext
2289         structure containing the upper halfs of the 64 bit registers.
2290
2291 2010-04-13  Simon Baldwin  <simonb@google.com>
2292
2293         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2294
2295 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2296
2297         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2298         rvalue on the RHS if the LHS is of a non-renamable type.
2299         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2300
2301 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2302
2303         * gcc.c (cc1_options): Handle -iplugindir before processing
2304         the cc1 spec. Only add -iplugindir once.
2305         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2306         found.
2307         * common.opt (iplugindir): Remove `Separate' property, initialize.
2308         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2309         option.
2310         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2311         (distclean): Remove plugin dir.
2312         * doc/invoke.texi: Document -iplugindir.
2313
2314 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2315
2316         * doc/plugins.texi (Loading Plugins): Document short
2317         -fplugin=foo option.
2318         (Plugin API): Mention default_plugin_dir_name function.
2319
2320         * gcc.c (find_file_spec_function): Add new declaration.
2321         (static_spec_func): Use it for "find-file".
2322         (find_file_spec_function): Add new function.
2323         (cc1_options): Add -iplugindir option if -fplugin* options found.
2324
2325         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2326
2327         * plugin.c (add_new_plugin): Updated comment, and handle short
2328         plugin name.
2329         (default_plugin_dir_name): Added new function.
2330
2331         * common.opt (iplugindir): New option to set the plugin directory.
2332
2333 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         * config/i386/i386.md (any_rotate): New code iterator.
2336         (rotate_insn): New code attribute.
2337         (rotate): Ditto.
2338         (SWIM124): New mode iterator.
2339         (<rotate_insn>ti3): New expander.
2340         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2341         any_rotate code iterator.
2342         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2343         using any_rotate code iterator and SWIM124 mode iterator.
2344         (ix86_rotlti3): New insn_and_split pattern.
2345         (ix86_rotrti3): Ditto.
2346         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2347         ix86_rotl{di,ti}3 patterns.
2348         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2349         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2350         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2351         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2352         code iterator and SWI mode iterator.
2353         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2354         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2355         code iterator.
2356         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2357         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2358         (bswap rotatert splitter): Add splitter.
2359         (bswap splitter): Macroize splitter using any_rotate code iterator.
2360         Add insn predicate to split only for TARGET_USE_XCHGB or when
2361         optimizing function for size.
2362
2363 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2364
2365         * config/pa/pa.c (emit_move_sequence): Remove use of
2366         deleted variable flag_argument_noalias.
2367
2368 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2369
2370         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2371         configurations.
2372         Add to unsupported targets list.
2373         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2374         sparc*-sun-solaris2.[567]* from target lists.
2375         * configure: Regenerate.
2376         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2377         removal.
2378         Remove Solaris 7 patch references.
2379         (Specific, sparc-sun-solaris2.7): Removed.
2380         (sparc-sun-solaris2*): Update Solaris 7 example.
2381         (sparc64-*-solaris2*): Likewise.
2382
2383 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2384
2385         * config.build (alpha*-dec-osf4*): Remove.
2386         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2387         of obsolete configurations.
2388         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2389         support.
2390         * config/alpha/t-osf4: Renamed to ...
2391         * config/alpha/t-osf5: ... this.
2392         * config/alpha/osf.h: Renamed to ...
2393         * config/alpha/osf5.h: ... this.
2394         Merged old osf5.h contents.
2395         Update comments.
2396         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2397         (EXTRA_SPECS): Removed.
2398         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2399         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2400         Document that.
2401
2402 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2403
2404         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2405
2406 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2407
2408         PR/43702
2409         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2410         __thiscall convention.
2411
2412 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2413
2414         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2415         orig_base.
2416         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2417
2418 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2419
2420         * function.c (assign_parms_initialize_all): Add unused attribute
2421         to fntype.
2422
2423 2010-04-12  Richard Guenther  <rguenther@suse.de>
2424
2425         * gsstruct.def (GSS_CALL): New.
2426         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2427         * gimple.h: Include tree-ssa-alias.h.
2428         (struct gimple_statement_call): New.
2429         (union gimple_statement_struct_d): Add gimple_call member.
2430         (gimple_call_reset_alias_info): Declare.
2431         (gimple_call_use_set): New function.
2432         (gimple_call_clobber_set): Likewise.
2433         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2434         * gimple.c (gimple_call_reset_alias_info): New function.
2435         (gimple_build_call_1): Call it.
2436         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2437         * tree-inline.c (remap_gimple_stmt): Likewise.
2438         (expand_call_inline): Remove callused handling.
2439         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2440         * tree-dfa.c (dump_variable): Likewise.
2441         * tree-parloops.c (parallelize_loops): Likewise.
2442         * tree-ssa.c (init_tree_ssa): Likewise.
2443         (delete_tree_ssa): Likewise.
2444         * tree-flow-inline.h (is_call_used): Remove.
2445         * tree-flow.h (struct gimple_df): Remove callused member.
2446         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2447         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2448         (ref_maybe_used_by_call_p_1): Simplify.
2449         (call_may_clobber_ref_p_1): Likewise.
2450         * tree-ssa-structalias.c (compute_points_to_sets): Set
2451         the call stmt used and clobbered sets.
2452         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2453         (find_tail_calls): Verify the tail call.
2454
2455 2010-04-12  Richard Guenther  <rguenther@suse.de>
2456
2457         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2458         single-iteration always-inline inlining.
2459         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2460         (cgraph_decide_inlining): Do not handle always-inline specially.
2461         (try_inline): Remove always-inline cycle detection special case.
2462         Do not recurse on always-inlines.
2463         (cgraph_early_inlining): Do not iterate if not optimizing.
2464         (cgraph_gate_early_inlining): remove.
2465         (pass_early_inline): Run unconditionally.
2466         (gate_cgraph_decide_inlining): New function.
2467         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2468         not inlining or optimizing.
2469         (cgraph_decide_inlining_of_small_functions): Also consider
2470         always-inline functions.
2471         (cgraph_default_inline_p): Return true for nodes which should
2472         disregard inline limits.
2473         (estimate_function_body_sizes): Assume zero size and time for
2474         nodes which are marked as disregarding inline limits.
2475         (cgraph_decide_recursive_inlining): Do not perform recursive
2476         inlining on always-inline nodes.
2477
2478 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2479
2480         PR bootstrap/43699
2481         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2482         for exprs satisfying handled_component_p.
2483
2484 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2485
2486         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2487         non-constant aggregate elements.
2488
2489         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2490         is a real initialization.
2491
2492 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2493
2494         PR c/36774
2495         * c-decl.c (start_function): Move forward check for nested function.
2496
2497 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2498
2499         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2500         * config/sh/sh.c: Include reload.h.
2501         (sh_legitimize_reload_address): New.
2502         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2503         sh_legitimize_reload_address.
2504
2505 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2506
2507         * config/sh/sh.md (*movqi_pop): New insn pattern.
2508         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2509
2510 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2511
2512         * config/i386/i386.md (any_shiftrt): New code iterator.
2513         (shiftrt_insn): New code attribute.
2514         (shiftrt): Ditto.
2515         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2516         using any_shiftrt code iterator.
2517         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2518         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2519         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2520         pattern from corresponding peephole2 patterns.
2521         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2522         using any_shiftrt code iterator.
2523         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2524         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2525         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2526         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2527         *{ashr,lshr}<mode>3_cmp_zext.
2528         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2529
2530 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2531
2532         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2533         scratch register.
2534         (*lshr<mode>3_cconly): Ditto.
2535
2536 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2537
2538         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2539         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2540         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2541         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2542         DWI mode iterator.
2543         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2544         from corresponding peephole2 patterns.
2545         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2546         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2547         and *lshrdi3_1_rex64 using SWI mode iterator.
2548         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2549         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2550         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2551         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2552         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2553         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2554         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2555         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2556         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2557         SWI mode iterator.
2558
2559 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2560
2561         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2562         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2563         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2564         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2565         DWI mode iterator.
2566         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2567         from corresponding peephole2 patterns.
2568         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2569         (ashrsi3_cvt): Rename from ashrsi3_31.
2570         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2571         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2572         and x86_64_shift_adj_3 using SWI48 mode iterator.
2573         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2574         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2575         and *ashrdi3_1_rex64 using SWI mode iterator.
2576         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2577         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2578         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2579         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2580         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2581         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2582         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2583         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2584         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2585         SWI mode iterator.
2586         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2587         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2588         x86_shift<mode>_adj_3 expanders.
2589
2590 2010-04-10  Wei Guozhi  <carrot@google.com>
2591
2592         PR target/42601
2593         * config/arm/arm.c (arm_pic_static_addr): New function.
2594         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2595         a static symbol.
2596         (arm_output_addr_const_extra): Output expression for new pattern.
2597         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2598
2599 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2600
2601         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2602         not enabled.
2603
2604         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2605         * web.c: Include "insn-config.h" and "recog.h".
2606         (union_match_dups): New function.
2607         (web_main): Call it.
2608         (union_defs): Don't try to recognize match_dups.
2609
2610         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2611         if doing so would replace the entire pattern.
2612
2613 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2614
2615         PR target/43707
2616         PR target/43709
2617         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2618         and splitter pattern.  Change splitter operand 1 predicate to
2619         nonmemory_operand.
2620
2621 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2622
2623         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2624         lattices are addresses of CONST_DECLs with the same initial value.
2625         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2626         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2627
2628 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2629             Bernd Schmidt  <bernds@codesourcery.com>
2630
2631         * loop-invariant.c (replace_uses): New static function.
2632         (move_invariant_reg): Use it to ensure we can replace the uses.
2633
2634 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2635
2636         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2637         function template.
2638         (picochip_override_options): Enable section anchors only above -O1.
2639         (picochip_reorg): Fixed a couple of build warnings.
2640
2641 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2642
2643         * configure.ac (plugin -rdynamic test): Log result.
2644         * configure: Regenerate.
2645         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2646         (RDYNAMIC_SPEC): Define.
2647         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2648
2649 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2650
2651         * configure.ac: Determine Sun ld version numbers.
2652         (comdat_group): Restrict GNU ld version checks to gld.
2653         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2654         (enable_comdat): Support --enable-comdat.
2655         * configure: Regenerate.
2656         * doc/install.texi (Configuration): Document --enable-comdat.
2657
2658 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2659
2660         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2661         * config/sol2-gld.h: ... here.
2662         * config.gcc (sparc*-*-solaris2*): Reflect this.
2663         (i[34567]86-*-solaris2*): Use it.
2664
2665 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2666
2667         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2668         setup_clocks_p.
2669         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2670
2671 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2672
2673         PR 42965
2674         * diagnostic.c (diagnostic_initialize): Initialize
2675         some_warnings_are_errors.
2676         (diagnostic_finish): New.
2677         (diagnostic_action_after_output): Call it before exiting.
2678         (diagnostic_report_diagnostic): Do not print message here. Set
2679         some_warnings_are_errors.
2680         * diagnostic.h (diagnostic_context): Delete
2681         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2682         (diagnostic_finish): Declare.
2683         * toplev.c (toplev_main): Call it before exit.
2684
2685 2010-04-09  Jason Merrill  <jason@redhat.com>
2686
2687         PR c++/42623
2688         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2689         for incomplete type.
2690
2691         PR c++/41788
2692         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2693         based on a warning flag.
2694
2695 2010-04-09  Richard Guenther  <rguenther@suse.de>
2696
2697         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2698
2699 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2700
2701         PR bootstrap/43684
2702         * varasm.c (default_assemble_visibility): Wrap vars that are
2703         set, but unused, by targets without GAS.
2704         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2705         Remove set, but unused, vars.
2706         (rs6000_legitimize_tls_address): Likewise.
2707         (altivec_expand_dst_builtin): Likewise.
2708         * config/darwin.c (machopic_classify_symbol): Likewise.
2709         (machopic_indirection_name): Likewise.
2710
2711 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2712
2713         * config/i386/i386.md (DWI): New mode iterator.
2714         (S): New mode attribute.
2715         (shift_operand): Ditto.
2716         (shift_immediate_operand): Ditto.
2717         (ashl_input_operand): Ditto.
2718         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2719         using SDWIM mode iterator.
2720         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2721         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2722         DWI mode iterator.
2723         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2724         from corresponding peephole2 patterns.
2725         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2726         and x86_64_shift_adj_1 using SWI48 mode iterator.
2727         (x86_shift<mode>_adj_2): Ditto.
2728         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2729         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2730         using SWI48 mode iterator.
2731         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2732         *ashldi3_cmp_rex64 using SWI mode iterator.
2733         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2734         *ashldi3_cconly_rex64 using SWI mode iterator.
2735         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2736         x86_shift<mode>_adj_{1,2}.
2737         (ix86_split_ashr): Ditto.
2738         (ix86_split_lshr): Ditto.
2739
2740 2010-04-09  Richard Guenther  <rguenther@suse.de>
2741
2742         * target.h (builtin_conversion): Pass in input and output types.
2743         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2744         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2745         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2746         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2747
2748         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2749         Handle AVX modes.
2750         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2751
2752 2010-04-09  Richard Guenther  <rguenther@suse.de>
2753
2754         PR target/43152
2755         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2756
2757 2010-04-09  Richard Guenther  <rguenther@suse.de>
2758
2759         * tree-vectorizer.h (struct _stmt_vec_info): Document
2760         that vectype is the type of the LHS.
2761         (supportable_widening_operation, supportable_narrowing_operation):
2762         Get both input and output vector types as arguments.
2763         (vect_is_simple_use_1): Declare.
2764         (get_same_sized_vectype): Likewise.
2765         * tree-vect-loop.c (vect_determine_vectorization_factor):
2766         Set STMT_VINFO_VECTYPE to the vector type of the def.
2767         (vectorizable_reduction): Adjust.
2768         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2769         Adjust.  Specify the output vector type.
2770         (vect_pattern_recog_1): Adjust.
2771         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2772         (vectorizable_call): Adjust.
2773         (vectorizable_conversion): Likewise.
2774         (vectorizable_operation): Likewise.
2775         (vectorizable_type_demotion): Likewise.
2776         (vectorizable_type_promotion): Likewise.
2777         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2778         the def.
2779         (vect_is_simple_use_1): New function.
2780         (supportable_widening_operation): Get both input and output
2781         vector types.
2782         (supportable_narrowing_operation): Likewise.
2783         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2784
2785 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2786
2787         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2788         __thiscall and _thiscall as predefined macros.
2789         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2790         thiscall attribute handling.
2791         (ix86_comp_type_attributes): Likewise.
2792         (ix86_function_regparm): Likewise.
2793         (ix86_return_pops_args): Likewise.
2794         (init_cumulative_args): Likewise.
2795         (find_drap_reg): Likewise.
2796         (ix86_static_chain): Likewise.
2797         (x86_this_parameter): Likewise.
2798         (x86_output_mi_thunk): Likewise.
2799         (ix86_attribute_table): Add description for thiscall attribute.
2800         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2801         * doc/extend.texi: Add documentation for thiscall.
2802
2803 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2804
2805         PR c++/28584
2806         * c.opt (Wint-to-pointer-cast): Available in C++.
2807         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2808
2809 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2810
2811         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2812         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2813         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2814         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2815         function type instead.  Reorder and simplify checks.
2816
2817         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2818
2819 2010-04-08  Jing Yu  <jingyu@google.com>
2820             Zdenek Dvorak  <ook@ucw.cz>
2821
2822         PR tree-optimization/42720
2823         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2824         loop unswitch conditions here from ...
2825         (tree_unswitch_single_loop): ... here.
2826
2827 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2828
2829         * tree-if-conv.c: Fix comments and simplify logic.
2830
2831 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2832
2833         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2834         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2835         (main_tree_if_conversion): Update call to tree_if_conversion.
2836
2837 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2838
2839         PR 42485
2840         * doc/invoke.texi (-b,-V): Delete.
2841         * doc/tm.texi: Do not mention -b.
2842         * gcc.c (display_help): Delete -b and -V.
2843         (process_command): Delete -b and -V.
2844         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2845
2846 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2847             Wolfgang Gellerich  <gellerich@de.ibm.com>
2848
2849         Implement target hook for loop unrolling
2850         * target.h (loop_unroll_adjust): Add a new target hook function.
2851         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2852         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2853         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2854         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2855         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2856         target hook.
2857         (decide_unroll_stupid): Likewise.
2858
2859 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2860
2861         PR target/43643
2862         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2863
2864 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2865
2866         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2867         (Specific, *-*-solaris2*): Likewise.
2868         Don't prefer Sun as over GNU as.
2869
2870 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2871
2872         * config/s390/s390.c (override_options): Adjust the z10
2873           defaults for max-unroll-times, max-completely-peeled-insns
2874           and max-completely-peel-times.
2875
2876 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2877
2878         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2879         instructions for z10.
2880         (s390_expand_setmem): Likewise.
2881         (s390_expand_cmpmem): Likewise.
2882
2883 2010-04-08  Richard Guenther  <rguenther@suse.de>
2884
2885         PR tree-optimization/43679
2886         * tree-ssa-pre.c (eliminate): Only propagate copies.
2887
2888 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2889
2890         PR bootstrap/43681
2891         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2892         set but not used variable warning.
2893
2894 2010-04-08  Wei Guozhi  <carrot@google.com>
2895
2896         PR target/41653
2897         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2898         (arm_size_rtx_costs): Call the new function when optimized for size.
2899
2900 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2901
2902         PR debug/43670
2903         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2904         op0 is not a MEM, just return NULL instead of assertion
2905         failure.
2906         (discover_nonconstant_array_refs): Don't walk debug stmts.
2907
2908 2010-04-08  Doug Kwan  <dougkwan@google.com>
2909
2910         * configure.ac: Recognize gold and do not use its version number
2911         to test ld features.
2912         * configure: Regenerate.
2913
2914 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2915
2916         PR middle-end/40815
2917         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2918         (negate_value): Move code to push elements to broken_up_substracts ...
2919         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2920         negative pair to plus_negates.
2921         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2922
2923 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2924
2925         * doc/install.texi (Configuration): Move description of
2926         --enable-lto, --with-libelf*, --enable-gold from Java section to
2927         general section.
2928
2929         * doc/generic.texi (Working with declarations)
2930         (Function Properties, C and C++ Trees): Fix typos.
2931         * doc/sourcebuild.texi (Top Level): Likewise.
2932
2933 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2934
2935         PR c/18624
2936         * tree.h (DECL_READ_P): Define.
2937         (struct tree_decl_common): Add decl_read_flag.
2938         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2939         a set but not used warning.
2940         (merge_decls): Merge DECL_READ_P flag.
2941         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2942         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2943         * c-common.c (handle_used_attribute, handle_unused_attribute):
2944         Likewise.
2945         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2946         New prototypes.
2947         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2948         New functions.
2949         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2950         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2951         c_parser_binary_expression, c_parser_cast_expression,
2952         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2953         Call default_function_array_read_conversion instead of
2954         default_function_array_conversion where needed.
2955         (c_parser_unary_expression, c_parser_conditional_expression,
2956         c_parser_postfix_expression_after_primary, c_parser_initelt):
2957         Likewise.  Call mark_exp_read where needed.
2958         (c_parser_statement_after_labels, c_parser_asm_operands,
2959         c_parser_typeof_specifier, c_parser_sizeof_expression,
2960         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2961         where needed.
2962         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2963         New.
2964         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2965         (warn_unused_but_set_parameter): Default to warn_unused
2966         && extra_warnings.
2967         * doc/invoke.texi: Document -Wunused-but-set-variable and
2968         -Wunused-but-set-parameter.
2969
2970         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2971         used count variable.
2972         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2973         when operandN variables aren't used in the body of the expander
2974         or splitter.
2975         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2976         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2977         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2978         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2979         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2980         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2981         * tree.c (PROCESS_ARG): Likewise.
2982
2983 2010-04-07  Simon Baldwin  <simonb@google.com>
2984
2985         * diagnostic.h (diagnostic_override_option_index): New macro to
2986         set a diagnostic's option_index.
2987         * c-tree.h (c_cpp_error): Add warning reason argument.
2988         * opts.c (_warning_as_error_callback): New.
2989         (register_warning_as_error_callback): Store callback for
2990         warnings enabled via enable_warning_as_error.
2991         (enable_warning_as_error): Call callback, minor code tidy.
2992         * opts.h (register_warning_as_error_callback): Declare.
2993         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2994         response to -Werror=.
2995         (c_common_init_options): Register warning_as_error_callback in opts.c.
2996         * common.opt: Add -Wno-cpp option.
2997         * c-common.c (struct reason_option_codes_t): Map cpp warning
2998         reason codes to gcc option indexes.
2999         * (c_option_controlling_cpp_error): New function, lookup the gcc
3000         option index for a cpp warning reason code.
3001         * (c_cpp_error): Add warning reason argument, call
3002         c_option_controlling_cpp_error for diagnostic_override_option_index.
3003         * doc/invoke.texi: Document -Wno-cpp.
3004
3005 2010-04-07  Richard Guenther  <rguenther@suse.de>
3006
3007         * ipa-reference.c (mark_load): Use get_base_address.
3008         (mark_store): Likewise.
3009
3010         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3011         inserting GIMPLE_NOPs into the IL.
3012         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3013         Explicitly strip handled components and indirect references.
3014
3015         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3016         folding address expressions.
3017         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3018         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3019         operand_equal_p to compare decls.
3020         (ptr_deref_may_alias_decl_p): Likewise.
3021         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3022         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3023         Handle reversed comparison ops.
3024         * tree-sra.c (asm_visit_addr): Use get_base_address.
3025         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3026         * ipa-reference.c (mark_address): Use get_base_address.
3027
3028 2010-04-07  Richard Guenther  <rguenther@suse.de>
3029
3030         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3031         Propagate constants everywhere.
3032
3033 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR debug/43516
3036         * tree.c (MAX_INT_CACHED_PREC): Define.
3037         (nonstandard_integer_type_cache): New array.
3038         (build_nonstandard_integer_type): Cache results for precision
3039         <= MAX_INT_CACHED_PREC.
3040
3041 2010-04-07  Richard Guenther  <rguenther@suse.de>
3042
3043         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3044         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3045         * common.opt: Likewise.
3046         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3047         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3048         (nonoverlapping_memrefs_p): Likewise.
3049         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3050         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3051         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3052         OPT_fargument_noalias_global for backward compatibility.
3053
3054 2010-04-07  Richard Guenther  <rguenther@suse.de>
3055
3056         PR tree-optimization/43270
3057         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3058         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3059         * tree-ssa-pre.c (phi_translate_1): Adjust.
3060         (fully_constant_expression): Split out vn_reference handling to ...
3061         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3062         Fold reads from constant strings.
3063         (vn_reference_lookup): Handle fully constant references.
3064         (vn_reference_lookup_pieces): Likewise.
3065         * Makefile.in (expmed.o-warn): Add -Wno-error.
3066
3067 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3068
3069         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3070
3071 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3072
3073         PR driver/41594
3074         * gcc.c: Add -static-libstdc++ to list of recognized options.
3075
3076 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3077
3078         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3079
3080 2010-04-07  Richard Guenther  <rguenther@suse.de>
3081
3082         PR middle-end/42617
3083         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3084         bases build simple mem attributes to retain points-to information.
3085
3086 2010-04-07  Richard Guenther  <rguenther@suse.de>
3087
3088         PR middle-end/42617
3089         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3090         preserve points-to related information.
3091
3092 2010-04-07  Richard Guenther  <rguenther@suse.de>
3093
3094         PR middle-end/42617
3095         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3096         discard plain indirect references.
3097         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3098         * tree.c (tree_nop_conversion): Likewise.
3099
3100 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3101
3102         PR debug/43628
3103         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3104
3105 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3106
3107         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3108         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3109
3110 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3111
3112         * tree-if-conv.c: Fix indentation and comments.
3113
3114 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3115
3116         * tree-if-conv.c: Sort static functions in topological order.
3117
3118 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3119
3120         * tree-if-conv.c: Fix indentation and comments.
3121
3122 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3123
3124         PR middle-end/43519
3125         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3126         lang_hooks.types.type_for_size instead of
3127         build_nonstandard_integer_type.
3128         When converting an unsigned type to signed, double its precision.
3129         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3130         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3131         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3132         use lb <= ub.
3133
3134 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3135
3136         PR middle-end/43519
3137         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3138         POINTER_PLUS_EXPR for pointer types.
3139
3140 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3141
3142         PR middle-end/43519
3143         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3144         * graphite-clast-to-gimple.c: Include langhooks.h.
3145         (max_signed_precision_type): New.
3146         (max_precision_type): Takes two types as arguments.
3147         (precision_for_value): New.
3148         (precision_for_interval): New.
3149         (gcc_type_for_interval): New.
3150         (gcc_type_for_value): New.
3151         (gcc_type_for_clast_term): New.
3152         (gcc_type_for_clast_red): New.
3153         (gcc_type_for_clast_bin): New.
3154         (gcc_type_for_clast_expr): Split up into several functions.
3155         (gcc_type_for_clast_eq): Rewritten.
3156         (compute_bounds_for_level): New.
3157         (compute_type_for_level_1): New.
3158         (compute_type_for_level): New.
3159         (gcc_type_for_cloog_iv): Removed.
3160         (gcc_type_for_iv_of_clast_loop): Rewritten.
3161         (graphite_create_new_loop): Compute the lower and upper bound types
3162         with gcc_type_for_clast_expr.
3163         (graphite_create_new_loop_guard): Same.
3164         (find_cloog_iv_in_expr): Removed.
3165         (compute_cloog_iv_types_1): Removed.
3166         (compute_cloog_iv_types): Removed.
3167         (gloog): Do not call compute_cloog_iv_types.
3168         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3169         GBB_CLOOG_IV_TYPES.
3170         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3171         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3172         (GBB_CLOOG_IV_TYPES): Removed.
3173
3174 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3175
3176         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3177         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3178         (detect_commutative_reduction): Same.
3179
3180 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3181
3182         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3183         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3184         argument.
3185         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3186         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3187         (rewrite_commutative_reductions_out_of_ssa): Same.
3188         * passes.c (execute_function_todo): Call verify_ssa for every pass
3189         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3190         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3191         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3192         with an extra argument.
3193         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3194         verify_ssa only when the extra argument is true.
3195         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3196         with an extra argument.
3197         (tree_transform_and_unroll_loop): Same.
3198
3199 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3200
3201         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3202         for all the passes of the LNO having LOOP_CLOSED_SSA.
3203         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3204         * tree-loop-distribution.c (pass_loop_distribution): Same.
3205         * tree-pass.h (TODO_verify_loops): Removed.
3206         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3207         (pass_lim): Same.
3208         (pass_tree_unswitch): Same.
3209         (pass_predcom): Same.
3210         (pass_vectorize): Same.
3211         (pass_linear_transform): Same.
3212         (pass_graphite_transforms): Same.
3213         (pass_iv_canon): Same.
3214         (pass_complete_unroll): Same.
3215         (pass_complete_unrolli): Same.
3216         (pass_parallelize_loops): Same.
3217         (pass_loop_prefetch): Same.
3218         (pass_iv_optimize): Same.
3219
3220 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3221
3222         PR middle-end/32824
3223         * passes.c (init_optimization_passes): Move pass_lim before
3224         pass_copy_prop and pass_dce_loop.
3225
3226 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3227
3228         PR target/43667
3229         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3230         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3231         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3232         MULTI_* defines for 4 argument vpermil2p* builtins.
3233
3234 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3235
3236         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3237         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3238         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3239         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3240         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3241         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3242         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3243         Use x86_maybe_negate_const_int to output insn mnemonic.
3244         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3245         check from instruction predicate.  Update comments.
3246         * config/i386/sync.md (sync_add<mode>): Use
3247         x86_maybe_negate_const_int to output insn mnemonic.
3248
3249 2010-04-06  Jan Hubicka  <jh@suse.cz>
3250
3251         PR tree-optimization/42906
3252         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3253         IGNORE_SELF argument.  Set visited_control_parents for fully
3254         processed BBs.
3255         (find_obviously_necessary_stmts): Update call of
3256         mark_control_dependent_edges_necessary.
3257         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3258
3259 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3260
3261         * config/i386/i386.md: Remove comment about 'e' and 'E'
3262         operand modifier.
3263
3264 2010-04-06  Richard Guenther  <rguenther@suse.de>
3265
3266         PR tree-optimization/43627
3267         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3268         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3269         not varying.
3270
3271 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3272
3273         * BASE-VER: Change to 4.6.0.
3274
3275         PR target/43638
3276         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3277         handling.
3278
3279 2010-04-06  Richard Guenther  <rguenther@suse.de>
3280
3281         PR middle-end/43661
3282         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3283
3284 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3285
3286         * doc/invoke.texi (Optimize Options): Document that LTO
3287         won't remove object access purely due to incompatible
3288         declarations.
3289
3290 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3291
3292         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3293         Initialize variable.
3294
3295 2010-04-03  Richard Guenther  <rguenther@suse.de>
3296
3297         PR middle-end/42509
3298         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3299         require a non-NULL MEM_OFFSET.
3300
3301 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3302
3303         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3304         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3305         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3306         config/alpha/predicates.md, config/arm/arm.md,
3307         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3308         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3309         config/darwin9.h, config/darwin.c, config/darwin.h,
3310         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3311         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3312         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3313         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3314         config/mips/mips.md, config/mn10300/mn10300.c,
3315         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3316         config/rs6000/aix.h, config/rs6000/dfp.md,
3317         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3318         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3319         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3320         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3321         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3322         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3323         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3324         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3325         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3326         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3327         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3328         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3329         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3330         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3331         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3332         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3333         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3334         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3335         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3336         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3337         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3338         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3339         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3340         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3341         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3342         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3343         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3344         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3345         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3346         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3347         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3348         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3349         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3350         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3351         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3352         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3353
3354 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3355
3356         PR other/43620
3357         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3358         * aclocal.m4: Regenerate.
3359
3360 2010-04-02  Richard Guenther  <rguenther@suse.de>
3361
3362         PR tree-optimization/43629
3363         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3364         if we have seen a constant value.
3365
3366 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3367
3368         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3369
3370 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3371
3372         PR target/43469
3373         * arm.c (legitimize_tls_address): Adjust call to
3374         gen_tls_load_dot_plus_four.
3375         (arm_note_pic_base): New function.
3376         (arm_cannot_copy_insn_p): Use it.
3377         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3378         constraint.
3379
3380 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3381
3382         PR bootstrap/43531
3383
3384         Revert:
3385         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3386
3387         * Makefile.in ($(out_object_file)): Depend on
3388         gt-$(basename $(notdir $(out_file))).h.
3389
3390 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3391
3392         * config.gcc (lm32-*-rtems*): Add t-lm32.
3393
3394 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3395
3396         * config.gcc: Add lm32-*-rtems*.
3397         * config/lm32/rtems.h: New file.
3398
3399 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3400
3401         PR target/42609
3402         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3403
3404 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3405
3406         * dwarf2out.c (output_compilation_unit_header): For
3407         -gdwarf-4 use version 4 instead of version 3.
3408         (output_line_info): For version 4 and above emit additional
3409         maximum ops per insn header field.
3410         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3411
3412         * dwarf2out.c (is_c_family, is_java): Remove.
3413         (lower_bound_default): New function.
3414         (add_bound_info, gen_descr_array_type_die): Use it.
3415
3416 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3417
3418         PR debug/43325
3419         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3420         re-declaration when it happens in a function.
3421
3422 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3423
3424         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3425         (cgraph_remove_function_insertion_hook): Same.
3426         (cgraph_call_function_insertion_hooks): Same.
3427
3428 2010-04-01  Richard Guenther  <rguenther@suse.de>
3429
3430         PR middle-end/43614
3431         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3432         and TREE_THIS_VOLATILE.
3433         (copy_ref_info): Likewise.
3434         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3435         * tree.c (build6_stat): Ignore side-effects of all but arg5
3436         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3437         TARGET_MEM_REF.
3438
3439 2010-04-01  Richard Guenther  <rguenther@suse.de>
3440
3441         PR tree-optimization/43607
3442         * ipa-type-escape.c (check_call): Do not access non-existing
3443         arguments.
3444
3445 2010-04-01  Richard Guenther  <rguenther@suse.de>
3446
3447         PR middle-end/43602
3448         Revert
3449         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3450                     Jack Howarth <howarth@bromo.med.uc.edu>
3451
3452         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3453         variables TLS.
3454
3455 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3456
3457         * doc/install.texi (Prerequisites): Document libelf usability on
3458         IRIX 5/6 and Solaris 2.
3459         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3460         Update GNU as, GNU ld requirements.
3461         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3462         Document Sun Studio compiler download.
3463         Update and simplify as, ld recommendations.
3464         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3465
3466 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3467
3468         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3469         with_tune_32 to pentium4.
3470
3471 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3472
3473         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3474
3475 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3476
3477         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3478         obsoletion, removal.
3479         Update IDO URL.
3480         Document GNU as requirement.
3481         Update configure requirements.
3482         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3483         Recomment IRIX 6.5.18+.
3484         Document IDF/IDL requirement.
3485         Document GNU as requirement.
3486         Document GNU ld bootstrap failure.
3487         Remove freeware.sgi.com reference.
3488
3489 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3490
3491         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3492         UNIX V4.0, V5.0 obsoletion, removal.
3493         Remove --with-gc=simple reference.
3494         Update VM requirements during bootstrap.
3495         Remove -oldas bootstrap description.
3496         Update binutils reference.
3497         Remove comparison failure note.
3498
3499 2010-03-31  Richard Guenther  <rguenther@suse.de>
3500             Zdenek Dvorak  <ook@ucw.cz>
3501             Sebastian Pop  <sebastian.pop@amd.com>
3502
3503         PR middle-end/43464
3504         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3505         with multiple arguments.
3506         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3507
3508 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3509
3510         * graphite-dependences.c (print_pddr): Call print_pdr with an
3511         extra argument.
3512         * graphite-poly.c (debug_pdr): Add an extra argument for the
3513         verbosity level.
3514         (print_pdr): Same.
3515         (print_pbb_domain): Same.
3516         (print_pbb): Same.
3517         (print_scop_context): Same.
3518         (print_scop): Same.
3519         (print_cloog): Same.
3520         (debug_pbb_domain): Same.
3521         (debug_pbb): Same.
3522         (print_pdrs): Same.
3523         (debug_pdrs): Same.
3524         (debug_scop_context): Same.
3525         (debug_scop): Same.
3526         (debug_cloog): Same.
3527         (print_scop_params): Same.
3528         (debug_scop_params): Same.
3529         (print_iteration_domain): Same.
3530         (print_iteration_domains): Same.
3531         (debug_iteration_domain): Same.
3532         (debug_iteration_domains): Same.
3533         (print_scattering_function): Same.
3534         (print_scattering_functions): Same.
3535         (debug_scattering_function): Same.
3536         (debug_scattering_functions): Same.
3537         * graphite-poly.h (debug_pdr): Update declaration.
3538         (print_pdr): Same.
3539         (print_pbb_domain): Same.
3540         (print_pbb): Same.
3541         (print_scop_context): Same.
3542         (print_scop): Same.
3543         (print_cloog): Same.
3544         (debug_pbb_domain): Same.
3545         (debug_pbb): Same.
3546         (print_pdrs): Same.
3547         (debug_pdrs): Same.
3548         (debug_scop_context): Same.
3549         (debug_scop): Same.
3550         (debug_cloog): Same.
3551         (print_scop_params): Same.
3552         (debug_scop_params): Same.
3553         (print_iteration_domain): Same.
3554         (print_iteration_domains): Same.
3555         (debug_iteration_domain): Same.
3556         (debug_iteration_domains): Same.
3557         (print_scattering_function): Same.
3558         (print_scattering_functions): Same.
3559         (debug_scattering_function): Same.
3560         (debug_scattering_functions): Same.
3561
3562 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3563
3564         * graphite-poly.c (print_scattering_function_1): New.
3565         (print_scattering_function): Call it.
3566         (print_scop_params): Remove spaces at the end of lines.
3567         (print_cloog): New.
3568         (debug_cloog): New.
3569         * graphite-poly.h (print_cloog): Declared.
3570         (debug_cloog): Declared.
3571
3572 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3573
3574         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3575         in loop->header.
3576         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3577         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3578         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3579         to switch between adding the IV bump in loop->latch or in loop->header.
3580
3581 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3582
3583         * graphite-poly.c (print_scattering_function): Pretty print following
3584         the scoplib format.
3585         (print_pdr): Same.
3586         (print_pbb_domain): Same.
3587         (dump_gbb_cases): Same.
3588         (dump_gbb_conditions): Same.
3589         (print_pdrs): Same.
3590         (print_pbb): Same.
3591         (print_scop_params): Same.
3592         (print_scop_context): Same.
3593         (print_scop): Same.
3594         (print_pbb_body): New.
3595         (lst_indent_to): New.
3596         (print_lst): Start new lines with a #.
3597         * graphite-poly.h (pbb_bb): New.
3598         (pbb_index): Use pbb_bb.
3599         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3600         disjuncts.
3601         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3602
3603 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3604
3605         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3606         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3607         and 0 instead of 1 for dw_val_class_flag.
3608         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3609         dw_val_class_range_list, dw_val_class_loc_list,
3610         dw_val_class_lineptr and dw_val_class_macptr, use
3611         DW_FORM_flag_present for dw_val_class_flag and
3612         DW_FORM_exprloc for dw_val_class_loc.
3613         (output_die): For -gdwarf-4 print dw_val_class_loc
3614         size as uleb128 instead of 1 or 2 bytes and don't print
3615         anything for dw_val_class_flag.
3616
3617         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3618         instead of cselib_lookup following by tweaking locs->setting_insn.
3619
3620         PR bootstrap/43596
3621         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3622         even before returning from label, setjmp call or volatile asm
3623         handling.
3624
3625 2010-03-31  Richard Guenther  <rguenther@suse.de>
3626
3627         PR middle-end/43600
3628         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3629         temporary data on stack.
3630
3631 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3632
3633         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3634         (PUSHSECTION_ASM_OP): Remove.
3635         (POPSECTION_ASM_OP): Remove.
3636         (PUSHSECTION_FORMAT): Remove.
3637         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3638         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3639         * config/sol2.c (solaris_output_init_fini): Use it.
3640
3641 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3642
3643         PR 43574
3644         * opt-functions.awk (var_type_struct): Use signed char type
3645         for simple variables.
3646
3647 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3648
3649         * config/sol2.c: Include output.h.
3650         (solaris_assemble_visibility): New function.
3651         * config/t-sol2 (sol2.o): Add output.h dependency.
3652         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3653         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3654         Redefine.
3655
3656 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3657
3658         PR target/43580
3659         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3660         V2SImode or XFmode on PRE_DEC.
3661
3662         PR debug/43557
3663         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3664         BLKmode.
3665
3666 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3667
3668         PR 43562
3669         * reload.h (caller_save_initialized_p): Declare.
3670         * toplev.c (backend_init_target): Don't call
3671         init_caller_save but set caller_save_initialized_p to false.
3672         * caller-save.c (caller_save_initialized_p): Define.
3673         (init_caller_save): Check caller_save_initialized_p.
3674         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3675
3676 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3677
3678         PR target/39048
3679         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3680         and soft-fp/t-softfp to tmake_file.
3681         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3682         (LIBGCC2_TF_CEXT): Define.
3683         (TF_SIZE): Define.
3684
3685 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3686
3687         PR debug/42977
3688         * cselib.c (n_useless_values): Document handling of debug locs.
3689         (n_useless_debug_values, n_debug_values): New variables.
3690         (new_elt_loc_list): Don't add to debug values, keep count.
3691         (promote_debug_loc): New.
3692         (cselib_reset_table): Zero new variables.
3693         (entry_and_rtx_equal_p): Promote debug locs.
3694         (discard_useless_locs): Increment n_useless_debug_values for
3695         debug values.
3696         (remove_useless_values): Adjust n_useless_values and n_debug_values
3697         with n_useless_debug_values.
3698         (add_mem_for_addr): Promote debug locs.
3699         (cselib_lookup_mem): Likewise.
3700         (cselib_lookup_addr): Renamed to...
3701         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3702         (cselib_log_lookup): ... this.  Turn into...
3703         (cselib_lookup_addr): ... new wrapper.
3704         (cselib_lookup_from_insn): New.
3705         (cselib_invalidate_regno): Increment n_useless_debug_values for
3706         debug values.
3707         (cselib_invalidate_mem): Likewise.
3708         (cselib_process_insn): Take n_deleted and n_debug_values into
3709         account to guard remove_useless_value call.
3710         (cselib_finish): Zero n_useless_debug_values.
3711         * cselib.h (cselib_lookup_from_insn): Declare.
3712         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3713         (sched_analyze_2): Likewise.
3714
3715 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3716
3717         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3718         functions.
3719         (adjust_mems): Replace narrowing SUBREG of expression containing
3720         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3721         with operations in the narrower mode.
3722
3723         PR debug/43593
3724         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3725         regs_invalidated_by_call instead all call_used_reg_set registers.
3726
3727 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3728
3729         PR middle-end/43430
3730         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3731         pointer comparisons with types_compatible_p.
3732         * tree-vect-stmts.c (vectorizable_call): Same.
3733         (vectorizable_condition): Same.
3734
3735 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3736
3737         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3738         stack check if the mask would be zero.
3739
3740 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3741             Jack Howarth <howarth@bromo.med.uc.edu>
3742
3743         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3744         variables TLS.
3745
3746 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3747
3748         PR other/25232
3749         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3750         and __unordtf2.
3751         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3752         Include ___unordxf2 and ___unordtf2.
3753         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3754         GCC_4.4.0 here.
3755
3756 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3757
3758         * config/lm32/t-lm32: New file.
3759         * config.gcc: Use the above file when targetting lm32.
3760
3761 2010-03-28  Duncan Sands  <baldrick@free.fr>
3762
3763         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3764
3765 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3766
3767         PR middle-end/43431
3768         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3769         Improve vectorization cost model diagnostic.
3770
3771 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3772
3773         PR middle-end/43436
3774         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3775         compute_data_dependences_for_loop returns false, early exit
3776         and output an extra diagnostic for the failed data reference
3777         analysis.
3778
3779 2010-03-29  Richard Guenther  <rguenther@suse.de>
3780
3781         PR tree-optimization/43560
3782         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3783         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3784
3785 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3786
3787         PR 43564
3788         * toplev.c (process_options): Set optimization_default_node
3789         and optimization_current_node.
3790         * opts.c (decode_options): Don't set optimization_default_node
3791         and optimization_current_node.
3792
3793 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3794
3795         * config/rtems.h: Abandon -qrtems_debug.
3796
3797 2010-03-28  Jan Hubicka  <jh@suse.cz>
3798
3799         PR tree-optimization/43505
3800         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3801         map should not be copied.
3802
3803 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3804
3805         PR middle-end/41674
3806         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3807         cdtors, set DECL_PRESERVE_P.
3808         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3809         should be preseved.
3810
3811 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3812
3813         PR tree-optimization/43528
3814         * stor-layout.c (place_field): Check that constant fits into
3815         unsigned HWI when skipping calculation of MS bitfield layout.
3816
3817 2010-03-27  Jan Hubicka  <jh@suse.cz>
3818
3819         PR middle-end/43391
3820         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3821         notice_global_symbol work.
3822
3823 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3824
3825         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3826         instead of dwarf2out_decl.
3827         (struct var_loc_node): Remove section_label field.
3828         (dwarf2out_function_decl): New function.
3829         (dwarf2out_var_location): Don't set section_label field.
3830         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3831
3832 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3833
3834         PR tree-optimization/43544
3835         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3836         First argument for builtin vectorized function hook is now a
3837         tree to be able to distinguish between machine specific and
3838         standard builtins.
3839         * targhooks.c (default_builtin_vectorized_function): Ditto.
3840         * targhooks.h (default_builtin_vectorized_function): Ditto.
3841         * target.h (struct gcc_target): Ditto.
3842         * tree-vect-stmts.c (vectorizable_function): Ditto.
3843         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3844         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3845         Ditto.
3846
3847 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3848
3849         PR c/43381
3850         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3851         nested binding iff it is a FUNCTION_DECL.
3852         (store_parm_decls_newstyle): Pass nested=true to bind for
3853         FUNCTION_DECLs amongst parameters.
3854
3855 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3856
3857         * var-tracking.c (vt_expand_loc_callback): Don't run
3858         cselib_expand_value_rtx_cb in dummy mode if
3859         cselib_dummy_expand_value_rtx_cb returned false.
3860
3861         * var-tracking.c (emit_note_insn_var_location): For one part
3862         notes with offset 0, don't add EXPR_LIST around the location.
3863         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3864         add_location_or_const_value_attribute): Adjust for that change.
3865
3866         PR debug/43540
3867         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3868         into first operand and location into second.
3869         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3870         dw_cfi_oprnd_loc for DW_CFA_expression.
3871         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3872         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3873         assume first argument is regnum and second argument is location.
3874
3875 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3876
3877         PR target/42113
3878         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3879         of scratch register to DImode.  Split to DImode comparison operator.
3880         Use SImode subreg of scratch register in the multiplication.
3881         (*cmp_sadd_sidi): Ditto.
3882         (*cmp_ssub_si): Ditto.
3883         (*cmp_ssub_sidi): Ditto.
3884
3885 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3886
3887         PR target/43524
3888         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3889         Remove invalid assert and wrong comment.
3890
3891 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3892
3893         PR debug/43516
3894         * flags.h (final_insns_dump_p): New extern.
3895         * final.c (final_insns_dump_p): New variable.
3896         (rest_of_clean_state): Set it before -fdump-final-insns=
3897         dumping, clear afterwards.
3898         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3899         MEM_ALIAS_SET on MEMs.
3900
3901 2010-03-26  David S. Miller  <davem@davemloft.net>
3902
3903         * configure.ac: Fix sparc GOTDATA_OP bug check.
3904         * configure: Rebuild.
3905
3906 2010-03-26  Alan Modra  <amodra@gmail.com>
3907
3908         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3909
3910 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3911
3912         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3913         TLS_SECTION_ASM_FLAG.
3914
3915 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3916
3917         PR bootstrap/43511
3918         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3919         Clear first_function_block_is_cold.
3920
3921         PR c/43385
3922         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3923         argument if the argument is truth_value_p.
3924
3925 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3926
3927         * config/rs6000/constraints.md: Update copyright year for my changes.
3928
3929         PR target/43484
3930         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3931         used in reg+reg addressing, swap registers.
3932
3933 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
3934
3935         PR debug/43293
3936         * target.h (struct gcc_target): Add code_end hook.
3937         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3938         if not yet defined.
3939         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3940         * toplev.c (compile_file): Call targetm.asm_out.code_end
3941         hook before unwind info/debug info output.
3942         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3943         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3944         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3945         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3946         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3947         * config/i386/i386.c (ix86_file_end): Renamed to...
3948         (ix86_code_end): ... this.  Make static.  Don't call
3949         file_end_indicate_exec_stack.  Emit unwind info using
3950         final_start_function/final_end_function.
3951         (darwin_x86_file_end): Remove.
3952         (TARGET_ASM_CODE_END): Define.
3953         * config/i386/i386.h (TARGET_ASM_FILE_END,
3954         NEED_INDICATE_EXEC_STACK): Don't define.
3955         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3956         (TARGET_ASM_FILE_END): Define to darwin_file_end.
3957         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3958         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3959
3960         PR target/43498
3961         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3962         at the beginning and final_end_function at the end.
3963         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3964
3965 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3966
3967         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3968         and Sun as TLS syntax.
3969         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3970         * configure: Regenerate.
3971         * config.in: Regenerate.
3972         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3973         (default_elf_asm_named_section): Use it.
3974         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3975         (i386_output_dwarf_dtprel): Likewise.
3976         (output_addr_const_extra): Likewise.
3977         (output_pic_addr_const): Lowercase @GOTTPOFF.
3978         (output_addr_const_extra): Likewise.
3979         (output_pic_addr_const): Lowercase @GOTNTPOFF.
3980         (output_addr_const_extra): Likewise.
3981         (output_pic_addr_const): Lowercase @INDNTPOFF.
3982         (output_addr_const_extra): Likewise.
3983         (output_pic_addr_const): Lowercase @NTPOFF.
3984         (output_addr_const_extra): Likewise.
3985         (output_pic_addr_const): Lowercase @TPOFF.
3986         (output_addr_const_extra): Likewise.
3987         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3988         (*tls_global_dynamic_64): Likewise.
3989         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3990         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3991
3992         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3993         (ASM_OUTPUT_TLS_COMMON): Use it.
3994         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3995
3996         PR target/38118
3997         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3998         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3999         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4000         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4001         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4002         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4003
4004 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4005
4006         * config/i386/i386.c (override_options): Don't accept
4007         -mtls-dialect=sun any longer.
4008         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4009         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4010         (*tls_local_dynamic_base_32_sun): Likewise.
4011         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4012
4013 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
4014
4015         PR debug/43508
4016         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4017         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4018
4019         PR debug/43479
4020         * ira.c (adjust_cleared_regs): New function.
4021         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.