1 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
3 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
6 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
9 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
10 only if HONOR_REG_ALLOC_ORDER is not defined.
12 2010-05-04 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/43949
15 * tree-vrp.c (extract_range_from_binary_expr): Only handle
18 2010-04-26 Jason Merrill <jason@redhat.com>
20 * c.opt (-fstrict-enums): New.
21 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
23 2010-05-03 David Ung <davidu@mips.com>
24 James E. Wilson <wilson@codesourcery.com>
26 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
27 emit the trap instruction before the divide for TUNE_74K.
29 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
31 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
32 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
33 based on the above, for new target hook.
35 * hooks.c (hook_bool_mode_true): New generic hook.
36 * hooks.h (hook_bool_mode_true): Add prototype.
38 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
40 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
41 target hook, set to hook_bool_mode_false.
42 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
43 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
44 with targetm.small_register_classes_for_mode_p.
45 (find_reusable_reload): Likewise.
46 (combine_reloads): Likewise.
47 * reload1.c (reload_as_needed): Likewise.
48 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
49 * ifcvt.c (noce_process_if_block, check_cond_move_block,
50 dead_or_predicable): Likewise.
51 * regmove.c (optimize_reg_copy_1): Likewise.
52 * calls.c (prepare_call_address): Likewise.
53 (precompute_register_parameters): Likewise.
55 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
57 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
58 implementation of the hook that considers all register classes
59 small except for SH64.
60 (sh_override_options): Use the new hook.
61 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
64 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
66 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
67 implementation of the hook that considers all register classes
69 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
72 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
74 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
75 implementation of the hook that considers all register classes
77 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
80 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
82 * config/m32c/m32c.h: Likewise.
83 * config/pdp11/pdp11.h: Likewise.
84 * config/avr/avr.h: Likewise.
85 * config/xtensa/xtensa.h: Likewise.
86 * config/m68hc11/m68hc11.h: Likewise.
87 * config/mn10300/mn10300.h: Likewise.
88 * config/mcore/mcore.h: Likewise.
89 * config/h8300/h8300.h: Likewise.
90 * config/bfin/bfin.h: Likewise.
92 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
93 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
95 2010-05-03 Anatoly Sokolov <aesok@post.ru>
97 * double-int.h (tree_to_double_int): Remove macro.
98 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
99 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
100 (tree_to_double_int): New function.
101 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
103 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
105 2010-05-03 Richard Guenther <rguenther@suse.de>
107 PR tree-optimization/43971
108 * tree-ssa-structalias.c (get_constraint_for_1): Fix
109 constraints in the !flag_delete_null_pointer_checks case.
111 2010-05-03 Jakub Jelinek <jakub@redhat.com>
114 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
115 result mode matches original rtl mode.
117 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
120 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
122 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
125 when processing flag options.
127 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
129 * gcov-iov.c (main): Change format string placeholder
130 from %#08x to 0x%08x.
131 * genchecksum.c (dosum): Change format string placeholder
132 from %#02x to 0x%02x.
134 2010-05-02 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/43879
137 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
139 2010-05-02 Bruno Haible <bruno@clisp.org>
141 * doc/extend.texi (Function Attributes): Fix a typo.
143 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
146 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
147 placeholder from 0x%x to %#x.
148 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
149 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
150 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
151 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
152 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
153 * config/i386/i386.c (ix86_target_string): Ditto.
154 * config/i386/i386.c (output_pic_addr_const): Ditto.
155 (print_operand): Ditto.
157 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
159 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
160 placeholder from 0x%x to %#x.
161 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
162 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
163 (ASM_OUTPUT_DEBUG_DATA): Ditto.
164 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
165 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
166 * optc-gen.awk: Ditto.
167 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
168 (HOST_WIDE_INT_PRINT_HEX): Ditto.
169 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
170 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
172 2010-05-01 Anatoly Sokolov <aesok@post.ru>
174 * target.h (struct calls): Add function_value_regno_p field.
175 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
176 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
177 * targhooks.c (default_function_value_regno_p): New function.
178 * targhooks.h (default_function_value_regno_p): Declare function.
179 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
180 * builtins.c. (apply_result_size): (Ditto.).
181 * combine.c. (likely_spilled_retval_p): (Ditto.).
182 * mode-switching.c. Include 'target.h'.
183 (create_pre_exit): Use function_value_regno_p hook.
184 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
185 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
186 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
188 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
189 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
190 (ix86_function_value_regno_p): Declare as static, change argument
191 type to const unsigned int.
192 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
194 2010-05-01 Richard Guenther <rguenther@suse.de>
196 PR tree-optimization/43949
197 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
199 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
201 2010-05-01 Anatoly Sokolov <aesok@post.ru>
203 * rtl.h (CONST_DOUBLE_P): Define.
204 (rtx_to_double_int): Declare.
205 * emit-rtl.c (rtx_to_double_int): New function.
206 * dwarf2out.c (insert_double): New function.
207 (loc_descriptor, add_const_value_attribute): Clean up, use
208 rtx_to_double_int and insert_double functions.
210 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
212 * doc/extend.texi (Inline): Add missing return keyword to examples.
213 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
216 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
218 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
219 the variable part of the offset as well. Use highest_pow2_factor for
220 all alignment checks.
222 2010-04-30 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/43879
225 * tree-ssa-structalias.c (type_could_have_pointers): Functions
228 2010-04-30 Jan Hubicka <jh@suse.cz>
230 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
232 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
234 2010-04-30 Jan Hubicka <jh@suse.cz>
236 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
238 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
239 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
240 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
241 cgraph_node_set_needs_ltrans_p): Remove.
243 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
245 * sdbout.c: Include vec.h, do not include varray.h.
246 (deferred_global_decls, sdbout_global_decl,
247 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
248 * toplev.c: Do not include varray.h.
249 (dump_memory_report): Do not dump VARRAY statistics.
250 * gengtype.c (open_base_file): Ignore varray.h.
251 * Makefile.in: Update for abovementioned changes.
252 Remove all traces of varray.c and varray.h.
253 * varray.c: Remove file.
254 * varray.h: Remove file.
256 2010-04-30 Jan Hubicka <jh@suse.cz>
258 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
261 2010-04-30 Jan Hubicka <jh@suse.cz>
263 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
266 2010-04-30 Richard Guenther <rguenther@suse.de>
268 * tree-ssa-structalias.c (get_constraint_for_1): Generate
269 constraints for CONSTRUCTOR.
271 2010-04-30 Richard Guenther <rguenther@suse.de>
274 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
275 first after all lowering passes.
277 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
279 * toplev.c: Include varray.h for statistics dumping.
280 * tree.h: Do not declare varray_head_tag.
281 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
282 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
283 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
284 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
285 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
286 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
287 c-common.c, c-common.h, reg-stack.c, basic-block.h,
288 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
290 * Makefile.in: Update for abovementioned changes.
292 2010-04-30 Jakub Jelinek <jakub@redhat.com>
295 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
297 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
299 * config/picochip/picochip.c (picochip_legitimize_address): Define.
300 Use this function to do machine-specific conversion.
301 (picochip_legitimize_reload_address): Likewise.
302 (picochip_legitimate_address_p): Check valid base register only if
304 (picochip_check_conditional_copy): Check for modw only if opnd is
306 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
307 to call the function in c.
308 * config/picochip/picochip-protos.h
309 (picochip_legitimize_reload_address): Define.
310 * config/picochip/picochip.md (supported_compare1): Define.
312 2010-04-30 Jan Hubicka <jh@suse.cz>
314 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
315 (cgraph_global_info): Remove inlined.
316 (LTO_cgraph_tag_names): Remove.
317 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
318 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
319 simplify cgraph tags and document.
320 (lto_output_node): Use only LTO_cgraph_unavail_node and
321 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
322 for_functions_valid, global info, process and output flags.
323 (input_overwrite_node): Initialize estimated stack size and
324 estimated growth. Do not read flags we no longer store.
325 (input_node): Likewise do not read info no longer stored.
326 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
329 2010-04-30 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/43879
332 * tree-ssa-structalias.c (get_constraint_for_1): Properly
333 handle non-zero initializers.
335 2010-04-30 Richard Guenther <rguenther@suse.de>
337 * builtins.c (fold_builtin_1): Delete free (0).
339 2010-04-29 Jan Hubicka <jh@suse.cz>
341 * gengtype.c (open_base_files): Add lto-streamer.h
342 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
343 (pass_ipa_cp): GGC collect.
344 * toplev. (compile_file): Do not output symbols.
345 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
346 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
347 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
348 * lto-section-in.c: Include ggc.h
349 (lto_new_in_decl_state): Alloc in GGC.
350 (lto_delete_in_decl_state): Likewise.
351 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
354 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
357 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
358 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
359 (HONOR_REG_ALLOC_ORDER): Describe new macro.
360 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
361 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
362 account only if HONOR_REG_ALLOC_ORDER is not defined.
363 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
364 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
366 2010-04-29 Jon Grant <04@jguk.org>
368 * collect2.c (vflag): Change type from int to bool.
370 (helpflag): New global bool.
371 (main): Set vflag and debug with boolean, not integer truth values.
372 Accept new "--help" option and output usage text if found.
373 * collect2.h (vflag): Update prototype.
376 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
379 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
381 2010-04-29 Richard Guenther <rguenther@suse.de>
384 * plugin.h (invoke_plugin_callbacks): Annotate arguments
385 with ATTRIBUTE_UNUSED.
387 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
390 * config/i386/i386.c (get_some_local_dynamic_name): Replace
391 INSN_P with NONDEBUG_INSN_P.
392 (distance_non_agu_define): Likewise.
393 (distance_agu_use): Likewise.
395 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
397 From Dominique d'Humieres <dominiq@lps.ens.fr>
399 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
402 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
404 * plugin.h (invoke_plugin_callbacks): New inline function.
405 * plugin.c (flag_plugin_added): New global flag.
406 (add_new_plugin): Initialize above flag.
407 (invoke_plugin_callbacks): Rename to ...
408 (invoke_plugin_callbacks_full): ... this.
410 2010-04-28 Jan Hubicka <jh@suse.cz>
412 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
413 (lto_varpool_replace_node): New.
414 (lto_symtab_resolve_symbols): Resolve varpool nodes.
415 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
416 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
417 * cgraph.h (varpool_node_ptr): New type.
418 (varpool_node_ptr): New vector.
419 (varpool_node_set_def): New structure.
420 (varpool_node_set): New type.
421 (varpool_node_set): New vector.
422 (varpool_node_set_element_def): New structure.
423 (varpool_node_set_element, const_varpool_node_set_element): New types.
424 (varpool_node_set_iterator): New type.
425 (varpool_node): Add prev pointers, add used_from_other_partition,
427 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
428 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
429 varpool_get_node, varpool_remove_node): Declare.
430 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
431 varpool_node_set_size): New inlines.
432 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
433 * tree-pass.h (varpool_node_set_def): Forward declare.
434 (ipa_opt_pass_d): Summary writting takes vnode sets too.
435 (ipa_write_optimization_summaries): Update prototype.
436 * ipa-cp.c (ipcp_write_summary): Update.
437 * ipa-reference.c (ipa_reference_write_summary): Update.
438 * lto-cgraph.c (lto_output_varpool_node): New static function.
439 (output_varpool): New function.
440 (input_varpool_node): New static function.
441 (input_varpool_1): New function.
442 (input_cgraph): Input varpool.
443 * ipa-pure-const.c (pure_const_write_summary): Update.
444 * lto-streamer-out.c (lto_output): Update, output varpool too.
445 (write_global_stream): Kill WPA hack.
446 (produce_asm_for_decls): Update.
447 (output_alias_pair_p): Handle variables.
448 (output_unreferenced_globals): Output only needed partition of varpool.
449 * ipa-inline.c (inline_write_summary): Update.
450 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
452 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
453 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
454 varpool_node_set_new, varpool_node_set_add,
455 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
456 debug_varpool_node_set): New functions.
457 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
458 (execute_one_pass): Process new decls too.
459 (ipa_write_summaries_2): Pass around vsets.
460 (ipa_write_summaries_1): Likewise.
461 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
463 (ipa_write_optimization_summaries_1): Pass around vsets.
464 (ipa_write_optimization_summaries): Likewise.
465 * varpool.c (varpool_get_node): New.
466 (varpool_node): Update doubly linked lists.
467 (varpool_remove_node): New.
468 (dump_varpool_node): More dumping.
469 (varpool_enqueue_needed_node): Update doubly linked lists.
470 (decide_is_variable_needed): Kill ltrans hack.
471 (varpool_finalize_decl): Kill lto hack.
472 (varpool_assemble_decl): Skip decls in other partitions.
473 (varpool_assemble_pending_decls): Update doubly linkes lists.
474 (varpool_empty_needed_queue): Likewise.
475 (varpool_extra_name_alias): Likewise.
476 * lto-streamer.c (lto_get_section_name): Add vars section.
477 * lto-streamer.h (lto_section_type): Update.
478 (output_varpool, input_varpool): Declare.
480 2010-04-28 Mike Stump <mikestump@comcast.net>
482 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
484 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
486 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
487 record or union type with RECORD_OR_UNION_TYPE_P predicate.
488 (lto_input_ts_type_tree_pointers): Likewise.
489 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
490 (lto_output_ts_type_tree_pointers): Likewise.
492 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
494 Uniquization of constants at the Tree level
495 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
496 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
498 (tree_output_constant_def): Declare.
499 * gimplify.c (gimplify_init_constructor): When using block copy, first
500 uniquize the constant constructor on the RHS.
501 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
502 DECL_IN_CONSTANT_POOL flag.
503 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
504 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
506 (assemble_variable): Deal with symbols belonging to the tree constant
508 (get_constant_section): Add ALIGN parameter and simplify.
509 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
510 (assemble_constant_contents): Use the expression of the VAR_DECL.
511 (output_constant_def_contents): Use the alignment of the VAR_DECL.
512 (tree_output_constant_def): New global function.
513 (mark_constant): Use the expression of the VAR_DECL.
514 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
516 (output_object_block): Likewise and assemble the expression.
518 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
520 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
521 hash_tree, eq_tree): New tree hash table.
522 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
523 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
524 lto_orig_address_remove): Reimplement.
526 2010-04-28 Xinliang David Li <davidxl@google.com>
529 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
530 (compute_uninit_opnds_pos): New function.
531 (is_non_loop_exit_postdominating): New function.
532 (compute_control_dep_chain): New function.
533 (find_pdom): New function.
534 (convert_control_dep_chain_into_preds): New function.
535 (find_predicates): New function.
536 (find_control_equiv_block): New function.
537 (collect_phi_def_edges): New function.
538 (find_def_preds): New function.
539 (find_dom): New function.
540 (dump_predicates): New function.
541 (get_cmp_code): New function.
542 (is_value_included_in): New function.
543 (find_matching_predicate_in_rest_chains): New function.
544 (use_pred_not_overlap_with_undef_path_pred): New function.
545 (is_use_properly_guarded): New function.
546 (normalize_cond_1): New function.
547 (is_and_or_or): New function.
548 (normalize_cond): New function.
549 (is_gcond_subset_of): New function.
550 (is_subset_of_any): New function.
551 (is_or_set_subset_of): New function.
552 (is_and_set_subset_of): New function.
553 (is_norm_cond_subset_of): New function.
554 (is_pred_expr_subset_of): New function.
555 (is_pred_chain_subset_of): New function.
556 (is_included_in): New function.
557 (is_superset_of): New function.
558 (find_uninit_use): New function.
559 (warn_uninitialized_phi): New function.
560 (compute_possibly_undefined_names): New function.
561 (ssa_undefined_value_p): New function.
562 (execute_late_warn_uninitialized): New function.
563 * tree-ssa.c (ssa_undefined_value_p): Removed.
564 (warn_uninit): Changed to extern.
565 (warn_uninitialized_phi): Removed.
566 (warn_uninitialized_vars): Changed to extern.
567 (execute_late_warn_uninitialized): Removed
568 * tree-flow.h: Add new prototypes.
569 * timevar.def: Add new time variable.
570 * Makefile.in: Add new build file.
572 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
574 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
577 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
580 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
582 2010-04-28 Martin Jambor <mjambor@suse.cz>
584 * cgraph.h (struct cgraph_node): New field indirect_calls.
585 (struct cgraph_indirect_call_info): New type.
586 (struct cgraph_edge): Removed field indirect_call. New fields
587 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
588 (cgraph_create_indirect_edge): Declare.
589 (cgraph_make_edge_direct): Likewise.
590 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
591 * ipa-prop.h (struct ipa_param_call_note): Removed.
592 (struct ipa_node_params): Removed field param_calls.
593 (ipa_create_all_structures_for_iinln): Declare.
594 * cgraph.c: Described indirect edges and uids in initial comment.
595 (cgraph_add_edge_to_call_site_hash): New function.
596 (cgraph_edge): Search also among the indirect edges, use
597 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
598 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
599 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
601 (initialize_inline_failed): Assign a reason to indirect edges.
602 (cgraph_create_edge_1): New function.
603 (cgraph_create_edge): Moved some functionality to
604 cgraph_create_edge_1.
605 (cgraph_create_indirect_edge): New function.
606 (cgraph_edge_remove_callee): Add an assert checking for
608 (cgraph_edge_remove_caller): Special-case indirect edges.
609 (cgraph_remove_edge): Likewise.
610 (cgraph_set_edge_callee): New function.
611 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
612 (cgraph_make_edge_direct): New function.
613 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
614 the declaration of the call statement matches.
615 (cgraph_node_remove_callees): Special-case indirect edges.
616 (cgraph_clone_edge): Likewise.
617 (cgraph_clone_node): Clone also the indirect edges.
618 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
619 indirect_call, dump count of indirect_calls edges.
620 * ipa-prop.c (iinlining_processed_edges): New variable.
621 (ipa_note_param_call): Create indirect edges instead of
622 creating notes. New parameter node.
623 (ipa_analyze_call_uses): New parameter node, pass it on to
625 (ipa_analyze_stmt_uses): Likewise.
626 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
627 (print_edge_addition_message): Work on edges rather than on notes.
628 (update_call_notes_after_inlining): Likewise, renamed to
629 update_indirect_edges_after_inlining.
630 (ipa_create_all_structures_for_iinln): New function.
631 (ipa_free_node_params_substructures): Do not free notes.
632 (ipa_edge_duplication_hook): Propagate bits within
633 iinlining_processed_edges bitmap.
634 (ipa_node_duplication_hook): Do not duplicate notes.
635 (free_all_ipa_structures_after_ipa_cp): Renamed to
636 ipa_free_all_structures_after_ipa_cp.
637 (free_all_ipa_structures_after_iinln): Renamed to
638 ipa_free_all_structures_after_iinln.g
639 (ipa_write_param_call_note): Removed.
640 (ipa_read_param_call_note): Removed.
641 (ipa_write_indirect_edge_info): New function.
642 (ipa_read_indirect_edge_info): Likewise.
643 (ipa_write_node_info): Do not stream notes, do stream information
645 (ipa_read_node_info): Likewise.
646 (lto_ipa_fixup_call_notes): Removed.
647 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
648 * ipa-inline.c (pass_ipa_inline): Likewise.
649 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
650 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
651 * tree-inline.c (copy_bb): Removed an unnecessary double check for
653 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
655 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
656 (output_cgraph): Stream also indirect edges.
657 (lto_output_edge): Added capability to stream indirect edges.
658 (input_edge): Likewise.
659 (input_cgraph_1): Likewise.
660 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
663 2010-04-28 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/43879
666 PR tree-optimization/43909
667 * tree-ssa-structalias.c (struct variable_info): Add
668 only_restrict_pointers flag.
669 (new_var_info): Initialize it. Increment stats.total_vars here.
670 (create_function_info_for): Do not increment stats.total_vars
672 (get_function_part_constraint): Fix build with C++.
673 (insert_into_field_list): Remove.
674 (push_fields_onto_fieldstack): Properly merge fields.
675 (create_variable_info_for): Split and simplify.
676 (create_variable_info_for_1): New piece.
677 (intra_create_variable_infos): Properly make restrict constraints
680 2010-04-28 Richard Guenther <rguenther@suse.de>
683 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
685 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
686 Jan Hubicka <hubicka@ucw.cz>
688 * doc/invoke.texi (-Wsuggest-attribute=const,
689 -Wsuggest-attribute=pure): Document.
690 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
691 (function_always_visible_to_compiler_p,
692 suggest_attribute, warn_function_pure, warn_function_const):
694 (check_call): Improve debug info.
695 (analyze_function): Do not check availability.
696 (add_new_function): Check availability.
697 (propagate): Output warnings.
698 (skip_function_for_local_pure_const): New function.
699 (local_pure_const): Use it; output warnings.
700 * common.opt (Wsuggest-attribute=const,
701 Wsuggest-attribute=pure): New.
703 2010-04-27 Jakub Jelinek <jakub@redhat.com>
705 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
706 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
707 or DW_CFA_def_cfa_offset{,_sf}.
709 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
711 * tree.h: Fix truncated long macros.
713 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
715 * collect2.c (TARGET_64BIT): Redefine to target's default.
717 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
718 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
719 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
720 for underscoring __USER_LABEL_PREFIX__.
721 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
722 (SUB_LINK_ENTRY32): New.
723 (SUB_LINK_ENTRY64): New.
724 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
725 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
726 (SUB_LINK_ENTRY64): New.
727 (SUB_LINK_ENTRY): New.
728 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
729 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
730 x64 target is choosen.
731 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
732 * configure: Regenerated.
733 * configure.ac (leading-mingw64-underscores): Option added.
735 2010-04-27 Jan Hubicka <jh@suse.cz>
737 * doc/invoke.texi (-fipa-profile): Document.
738 * opts.c (decode_options): Enable ipa-profile at -O1.
739 * timevar.def (TV_IPA_PROFILE): Define.
740 * common.opt (fipa-profile): Add.
741 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
743 (cgraph_propagate_frequency): Handle only local ones.
744 * tree-pass.h (pass_ipa_profile): Declare.
745 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
746 (pass_ipa_profile): Use TV_IPA_PROFILE.
747 * ipa.c (ipa_profile): New function.
748 (gate_ipa_profile): Likewise.
749 (pass_ipa_profile): New global variable.
750 * passes.c (pass_ipa_profile): New.
752 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
754 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
756 2010-04-27 Martin Jambor <mjambor@suse.cz>
759 * ipa.c (dissolve_same_comdat_group_list): New function.
760 (function_and_variable_visibility): Call
761 dissolve_same_comdat_group_list when comdat group contains external or
763 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
764 lists are circular and that they contain only DECL_ONE_ONLY nodes.
766 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
768 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
769 (const_hash_1) <VECTOR_CST>: New case.
770 (compare_constant) <VECTOR_CST>: Likewise.
771 <ADDR_EXPR>: Deal with LABEL_REFs.
772 (copy_constant) <VECTOR_CST>: New case.
774 2010-04-27 Jan Hubicka <jh@suse.cz>
776 * cgraph.c (cgraph_propagate_frequency): New function.
777 * cgraph.h (cgraph_propagate_frequency): Declare.
778 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
779 cgraph_propagate_frequency.
781 2010-04-27 Jakub Jelinek <jakub@redhat.com>
783 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
785 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
788 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
789 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
790 here to determine which regs to push and how much stack to reserve.
792 2010-04-27 Jie Zhang <jie@codesourcery.com>
794 * doc/gimple.texi (gimple_statement_with_ops): Remove
795 addresses_taken field.
796 (gimple_statement_with_memory_ops): Likewise.
798 2010-04-27 Jan Hubicka <jh@suse.cz>
800 * tree-inline.c (eni_inlining_weights): Remove.
801 (estimate_num_insns): Special case more builtins.
803 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
806 * c-typeck.c (build_binary_op): Move forward check for comparison
807 pointer with null pointer constant and adjust the diagnostic message.
809 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
812 * configure.ac (gcc_cv_as_section_has_align): Set if installed
813 binutils supports extended .section directive needed by LTO, or
814 warn if older binutils found.
815 (LTO_BINARY_READER): New AC_SUBST'd variable.
816 (LTO_USE_LIBELF): Likewise.
817 * gcc/config.gcc (lto_binary_reader): New target-specific configure
819 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
820 (LTO_USE_LIBELF): Likewise.
821 * configure: Regenerate.
823 * collect2.c (is_elf): Rename from this ...
824 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
825 object files in addition to ELF-formatted ones.
826 (scan_prog_file): Caller updated. Also allow for LTO info marker
827 symbol to be prefixed or not by an extra underscore.
829 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
830 * config/i386/winnt.c: Also #include lto-streamer.h
831 (i386_pe_asm_named_section): Specify 1-byte section alignment for
833 (i386_pe_asm_output_aligned_decl_common): Add comment.
834 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
836 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
839 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
840 Add missing earlyclobber for second alternative.
842 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
844 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
845 bits for artificial defs at the top of the block.
846 * fwprop.c (single_def_use_enter_block): Don't call it.
848 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
851 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
852 instead of "$gcc_cv_objdump -T".
853 Use "-undefined dynamic_lookup" on darwin.
854 * gcc/configure: Regenerate.
856 2010-04-26 Jakub Jelinek <jakub@redhat.com>
859 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
861 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
863 * c-parser.c (struct c_token): Move location field up.
864 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
865 (struct c_declspecs): Convert typespec_word, storage_class, and
866 default_int_p into bitfields.
867 (struct c_declarator): Move loc field up.
869 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
871 * cfgloop.h (struct loop): Move can_be_parallel field up.
872 * ipa-prop.h (struct ip_node_params): Move bitfields up.
873 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
875 (struct iv_cand): Convert pos field into a bitfield.
876 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
878 (struct _stmt_vec_info): Shuffle fields for better packing.
880 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
882 * varasm.c (IN_NAMED_SECTION): Remove guard.
883 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
884 (IN_NAMED_SECTION_P): ...this.
885 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
886 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
888 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
890 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
891 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
892 of shadowing it. Fix comments.
894 2010-04-26 Jan Hubicka <jh@suse.cz>
896 * cgraph.c (cgraph_create_node): Set node frequency to normal.
897 (cgraph_clone_node): Copy function frequency.
898 * cgraph.h (node_frequency): New enum
899 (struct cgraph_node): Add.
900 * final.c (rest_of_clean_state): Update.
901 * lto-cgraph.c (lto_output_node): Output node frequency.
902 (input_overwrite_node): Input node frequency.
903 * tre-ssa-loop-ivopts (computation_cost): Update.
904 * lto-streamer-out.c (output_function): Do not output function
906 * predict.c (maybe_hot_frequency_p): Update and handle functions
908 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
910 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
911 (compute_function_frequency): Set noreturn functions to be executed
913 (choose_function_section): Update.
914 * lto-streamer-in.c (input_function): Do not input function frequency.
915 * function.c (allocate_struct_function): Do not initialize function
917 * function.h (function_frequency): Remove.
918 (struct function): Remove function frequency.
919 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
920 (try_update): Update.
921 * tree-inline.c (initialize_cfun): Do not update function frequency.
922 * passes.c (pass_init_dump_file): Update.
923 * i386.c (ix86_compute_frame_layout): Update.
924 (ix86_pad_returns): Update.
926 2010-04-26 Jie Zhang <jie@codesourcery.com>
928 PR tree-optimization/43833
929 * tree-vrp.c (range_int_cst_p): New.
930 (range_int_cst_singleton_p): New.
931 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
932 when both operands are constants. Use range_int_cst_p in
935 2010-04-26 Jan Hubicka <jh@suse.cz>
937 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
939 2010-04-26 Richard Guenther <rguenther@suse.de>
942 * gimple.c (gimple_decl_printable_name): Deal gracefully
943 with a NULL DECL_NAME.
945 2010-04-26 Richard Guenther <rguenther@suse.de>
948 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
949 if emitting debug information and it is either a function
952 2010-04-26 Ira Rosen <irar@il.ibm.com>
954 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
955 determine if the statement is vectorizable, and a macro to access it.
956 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
957 Skip statements that can't be vectorized. If the analysis fails,
958 mark the statement as unvectorizable if vectorizing basic block.
959 (vect_compute_data_refs_alignment): Likewise.
960 (vect_verify_datarefs_alignment): Skip statements marked as
961 unvectorizable. Add print.
962 (vect_analyze_group_access): Skip statements that can't be
963 vectorized. If the analysis fails, mark the statement as
964 unvectorizable if vectorizing basic block.
965 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
966 * tree-vect-stmts.c (vectorizable_store): Fix the number of
967 generated stmts for SLP.
968 (new_stmt_vec_info): Initialize the new field.
969 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
970 statements marked as unvectorizable.
972 2010-04-25 Joseph Myers <joseph@codesourcery.com>
974 * c-common.c (flag_isoc1x): New.
975 (flag_isoc99): Update comment.
976 * c-common.h (flag_isoc1x): New.
977 (flag_isoc99): Update comment.
978 * c-cppbuiltin.c (builtin_define_float_constants): Also define
979 __<type>_DECIMAL_DIG__.
980 * c-opts.c (set_std_c1x): New.
981 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
982 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
983 * c.opt (-std=c1x, -std=gnu1x): New options.
984 * doc/cpp.texi: Mention -std=c1x.
985 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
986 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
987 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
988 * doc/standards.texi: Mention C1X.
989 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
990 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
991 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
994 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
996 * config/i386/gmon-sol2.c (_mcleanup): Change format string
997 placeholder from 0x%x to %#x.
998 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
999 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1000 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1001 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1002 * config/i386/i386.c (ix86_target_string): Ditto.
1003 (output_pic_addr_const): Ditto.
1004 (print_operand): Ditto.
1006 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1008 * combine.c (find_split_point): Add third argument. Use it
1009 to find nested multiply-accumulate instructions. Adjust calls.
1010 (try_combine): Adjust call to find_split_point.
1012 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1014 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1016 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1018 PR tree-optimization/41442
1019 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1020 (fold_binary_loc): Call it.
1022 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1024 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1025 * opts.c (common_handle_option): Allow disabling it.
1026 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1028 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1030 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1031 between modes if both types are integral.
1033 2010-04-23 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/43572
1036 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1038 2010-04-23 Richard Guenther <rguenther@suse.de>
1041 * tree-inline.c (tree_can_inline_p): Also check compatibility
1044 2010-04-23 Martin Jambor <mjambor@suse.cz>
1046 PR tree-optimization/43846
1047 * tree-sra.c (struct access): New flag grp_assignment_read.
1048 (build_accesses_from_assign): Set grp_assignment_read.
1049 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1050 (enum mark_read_status): New type.
1051 (analyze_access_subtree): Propagate grp_assignment_read, create
1052 accesses also if both direct_read and root->grp_assignment_read.
1054 2010-04-23 Martin Jambor <mjambor@suse.cz>
1057 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1058 function does not have type attributes.
1060 2010-04-23 Richard Guenther <rguenther@suse.de>
1063 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1066 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1068 * sese.h (create_if_region_on_edge): Remove.
1070 * sese.c (create_if_region_on_edge): Make static.
1072 * tree-inline.c: Do not include ggc.h.
1074 * expr.c: Do not include ggc.h.
1076 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1079 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1082 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1083 in the middle of insns for casesi_worker_2.
1085 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1087 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1089 2010-04-22 Ira Rosen <irar@il.ibm.com>
1091 PR tree-optimization/43842
1092 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1093 loop unrolling in update of exit phis. Fix comment.
1094 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1095 least two reduction statements in the loop before starting SLP
1098 2010-04-22 Nick Clifton <nickc@redhat.com>
1100 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1102 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1104 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1107 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1109 * tree-parloops.c (loop_parallel_p): New argument
1110 parloop_obstack. Pass it down.
1111 (parallelize_loops): New variable parloop_obstack. Initialize it,
1112 pass it down, free it.
1114 * tree-loop-linear.c (linear_transform_loops): Pass down
1117 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1118 of type struct obstack *.
1120 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1121 scratch_obstack. Initialize it, pass down, free it.
1123 * lambda.h (lambda_loop_new): Remove.
1124 (lambda_matrix_new, lambda_matrix_inverse)
1125 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1126 argument of type struct obstack *.
1128 * lambda-trans.c (lambda_trans_matrix_new): New argument
1129 lambda_obstack. Pass it down, use obstack allocation for ret.
1130 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1133 * lambda-mat.c (lambda_matrix_get_column)
1134 (lambda_matrix_project_to_null): Remove.
1135 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1137 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1140 * lambda-code.c (lambda_loop_new): New function.
1141 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1142 (lambda_compute_auxillary_space, lambda_compute_target_space)
1143 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1144 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1145 (build_access_matrix): New argument lambda_obstack. Use obstack
1147 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1148 argument lambda_obstack. Pass it down.
1150 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1152 * optabs.h (expand_widening_mult): Declare.
1154 2010-04-22 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/43845
1157 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1158 lookup the CALL_EXPR function and arguments.
1160 2010-04-22 Nick Clifton <nickc@redhat.com>
1162 * config/stormy16/stormy16.c
1163 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1164 * config/stormy16/stormy16.h: Tidy up formatting.
1165 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1166 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1167 (ineqbranchsi): Delete pattern.
1168 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1169 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1170 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1171 stormy16-lib2-ucmpsi2.c.
1173 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1175 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1176 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1177 extra set merge_set_noclobber, and use it to relax the final test
1179 * df.h (df_simulate_find_noclobber_defs): Declare.
1180 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1182 (df_simulate_find_noclobber_defs): New function.
1184 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1186 * config/i386/i386.md: Use {} around multi-line preparation statements.
1188 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1190 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1191 (process_init_element): New argument of type struct obstack *.
1193 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1194 (set_init_index, set_init_label, set_nonincremental_init)
1195 (set_nonincremental_init_from_string, find_init_member)
1196 (output_init_element, output_pending_init_elements)
1197 (process_init_element): New argument braced_init_obstack. Pass it
1199 (push_range_stack, add_pending_init): New argument
1200 braced_init_obstack. Use obstack allocation.
1202 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1203 braced_init_obstack. Pass it down.
1204 (c_parser_braced_init): New variables ret, braced_init_obstack.
1205 Initialize obstack, pass it down and finally free it.
1207 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1210 * tree-pass.h (pass_optimize_widening_mul): Declare.
1211 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1212 gate_optimize_widening_mul): New static functions.
1213 (pass_optimize_widening_mul): New.
1214 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1215 <case MULT_EXPR>: Remove support for widening multiplies.
1216 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1217 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1218 simplify_gen_unary rather than directly building extensions.
1219 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1221 * expmed.c (expand_widening_mult): New function.
1222 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1224 2010-04-21 Jan Hubicka <jh@suse.cz>
1226 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1227 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1228 * lto-wpa-fixup.c: Remove.
1229 * Makefile.in (lto-wpa-fixup.o): Remove.
1230 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1231 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1232 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1234 2010-04-21 Jan Hubicka <jh@suse.cz>
1236 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1237 add write_optimization_summary, read_optimization_summary.
1238 (ipa_write_summaries_of_cgraph_node_set): Remove.
1239 (ipa_write_optimization_summaries): Declare.
1240 (ipa_read_optimization_summaries): Declare.
1241 * ipa-cp.c (pass_ipa_cp): Update.
1242 * ipa-reference.c (pass_ipa_reference): Update.
1243 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1244 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1246 * ipa-inline.c (pass_ipa_inline): Update.
1247 * ipa.c (pass_ipa_whole_program): Update.
1248 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1249 * passes.c (ipa_write_summaries_1): Do not test wpa.
1250 (ipa_write_optimization_summaries_1): New.
1251 (ipa_write_optimization_summaries): New.
1252 (ipa_read_summaries): Do not test ltrans.
1253 (ipa_read_optimization_summaries_1): New.
1254 (ipa_read_optimization_summaries): New.
1256 2010-04-21 Jan Hubicka <jh@suse.cz>
1258 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1260 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1262 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1265 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1266 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1268 2010-04-21 Jan Hubicka <jh@suse.cz>
1270 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1272 2010-04-21 Jan Hubicka <jh@suse.cz>
1274 * varpool.c (decide_is_variable_needed): Variable is always needed
1277 2010-04-21 Jan Hubicka <jh@suse.cz>
1279 * opts.c (decode_options): Enable pure-const pass for whopr.
1281 2010-04-21 Jan Hubicka <jh@suse.cz>
1283 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1284 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1286 (cgraph_decide_inlining): Do not expect callee to be removed in all
1289 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1291 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1293 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1295 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1296 amdfam10_decode attributes.
1298 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1301 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1302 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1303 (lower_copyprivate_clauses): Use private var in outer
1304 context instead of original var. Make sure the types
1305 are correct for VLAs.
1307 2010-04-21 Richard Guenther <rguenther@suse.de>
1309 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1310 to non-pointer objects.
1312 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1314 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1315 last chain entry if it starts with the still current label.
1316 (add_location_or_const_value_attribute): Check that
1317 loc_list->first->next is NULL instead of comparing ->first with ->last.
1318 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1319 to add_var_loc_to_decl.
1321 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1322 >= 4 add also address size and segment size fields into CIE header.
1324 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1325 long as address size is the same as sizeof (void *) and
1327 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1328 address size or segment size is unexpected, return DW_EH_PE_omit.
1329 (classify_object_over_fdes): If get_cie_encoding returned
1330 DW_EH_PE_omit, return -1.
1331 (init_object): If classify_object_over_fdes returned -1,
1332 pretend there were no FDEs at all.
1334 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1337 bswap{si,di}2 using SWI48 mode iterator.
1338 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1339 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1340 set modrm attribute of bswap insn to 0 and remove length attribute.
1341 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1342 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1343 set mode attribute to <MODE> and remove length attribute.
1345 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1347 PR rtl-optimization/43520
1348 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1349 zero available registers.
1351 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * builtins.c (fold_builtin_cproj): Fold more cases.
1355 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1357 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1358 (fold_builtin_1): Fold builtin cproj.
1359 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1360 Use ATTR_CONST_NOTHROW_LIST.
1362 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1364 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1365 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1366 ffsi2_no_cmove for !TARGET_CMOVE.
1367 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1368 (ffssi2): Remove expander.
1369 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1371 (ctz<mode>2): Ditto from ctz{si,di}2.
1372 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1374 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1377 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1379 * dwarf2out.c (AT_linkage_name): Define.
1380 (clone_as_declaration): Handle DW_AT_linkage_name.
1381 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1382 of DW_AT_MIPS_linkage_name.
1383 (move_linkage_attr): Likewise.
1384 (dwarf2out_finish): Likewise.
1386 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1389 * fold-const.c (fold_comparison): New folding rule.
1391 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1393 * double-int.h (double_int_setbit): Declare.
1394 * double-int.c (double_int_setbit): New function.
1395 * rtl.h (immed_double_int_const): Declare.
1396 * emit-rtl.c (immed_double_int_const): New function.
1397 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1398 and immed_double_int_const functions.
1399 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1400 expand_copysign_bit): (Ditto.).
1401 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1402 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1403 * dojump.c (prefer_and_bit_test): (Ditto.).
1404 * expr.c (convert_modes, reduce_to_bit_field_precision,
1405 const_vector_from_tree): (Ditto.).
1406 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1408 2010-04-20 Jan Hubicka <jh@suse.cz>
1410 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1411 (dump_cgraph_node): Dump new flags.
1412 * cgraph.h (struct cgraph_node): Add flags
1413 reachable_from_other_partition and in_other_partition.
1414 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1415 other partition can not be removed.
1416 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1417 the other partition must be output; silence sanity checking on
1418 leaking functions bodies from other paritition.
1419 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1420 (lto_output_node): Output new flags; do not sanity check that inline
1421 clones are output; drop lto_forced_extern_inline_p code; do not mock
1422 visibility flags at partition boundaries.
1423 (add_node_to): New function.
1424 (output_cgraph): Use it to sort functions so masters appear before
1426 (input_overwrite_node): Input new flags.
1427 * passes.c (ipa_write_summaries): Do not call
1428 lto_new_extern_inline_states.
1429 * lto-section-out.c (forced_extern_inline,
1430 lto_new_extern_inline_states lto_delete_extern_inline_states,
1431 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1432 * lto-streamer.h (lto_new_extern_inline_states,
1433 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1434 lto_forced_extern_inline_p): Kill.
1436 2010-04-20 Richard Guenther <rguenther@suse.de>
1438 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1439 from vars that can have pointers.
1440 (process_constraint): Dump useless constraints.
1442 2010-04-20 Richard Guenther <rguenther@suse.de>
1444 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1445 (dump_sa_points_to_info): Remove asserts.
1446 (init_base_vars): nothing_id isn't an escape point nor does it
1449 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1451 * tree.h (TYPE_REF_IS_RVALUE): Define.
1452 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1453 should_move_die_to_comdat, prune_unused_types_walk): Handle
1454 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1455 (modified_type_die, gen_reference_type_die): Emit
1456 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1457 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1459 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1462 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1463 calls for -fpic -m31 if they have been sibcall optimized.
1465 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1467 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1468 ar.lc fixed and call-used.
1470 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1472 2010-04-19 Jan Hubicka <jh@suse.cz>
1474 * opts.c (decode_options): Disable whpr incompatible passes.
1475 * lto/lto.c (lto_1_to_1_map): Skip clones.
1476 (read_cgraph_and_symbols): Do not mark everything as needed.
1477 (do_whole_program_analysis): Do map only after optimizing;
1478 set proper cgraph_state; use passmanager.
1480 2010-04-19 DJ Delorie <dj@redhat.com>
1482 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1483 POINTER_PLUS_EXPR and fix them.
1485 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1487 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1488 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1489 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1490 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1491 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1492 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1493 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1494 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1495 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1496 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1497 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1499 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1501 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1502 (check_cond_move_block): Likewise.
1503 (cond_move_process_if_block): Likewise.
1504 (noce_find_if_block): Improve formatting.
1505 (find_if_header): Pass 0 to memset and tweak conditions.
1506 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1508 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1510 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1514 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1515 with non-local decl doesn't need chain.
1517 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1519 * ira-color.c (allocno_reload_assign): Avoid accumulating
1520 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1522 2010-04-19 Martin Jambor <mjambor@suse.cz>
1524 * gimple.h (create_tmp_reg): Declare.
1525 * gimplify.c (create_tmp_reg): New function.
1526 (gimplify_return_expr): Use create_tmp_reg.
1527 (gimplify_omp_atomic): Likewise.
1528 (gimple_regimplify_operands): Likewise.
1529 * tree-dfa.c (make_rename_temp): Likewise.
1530 * tree-predcom.c (predcom_tmp_var): Likewise.
1531 (reassociate_to_the_same_stmt): Likewise.
1532 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1533 (get_replaced_param_substitute): Likewise.
1534 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1535 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1536 * tree-ssa-pre.c (get_representative_for): Likewise.
1537 (create_expression_by_pieces): Likewise.
1538 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1539 (create_tailcall_accumulator): Likewise.
1541 2010-04-19 Martin Jambor <mjambor@suse.cz>
1543 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1545 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1547 2010-04-19 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/43796
1550 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1551 from SCEV in the lattice.
1552 (vrp_visit_phi_node): Dump change.
1554 2010-04-19 Richard Guenther <rguenther@suse.de>
1556 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1557 * configure: Re-generated.
1559 2010-04-19 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/43783
1562 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1563 constant ARRAY_REF operands two and three if possible.
1565 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1568 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1570 2010-04-19 Jie Zhang <jie@codesourcery.com>
1573 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1575 2010-04-19 Ira Rosen <irar@il.ibm.com>
1577 PR tree-optimization/37027
1578 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1579 and macro to access it.
1580 (vectorizable_reduction): Add argument.
1581 (vect_get_slp_defs): Likewise.
1582 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1583 statements for possible use in SLP.
1584 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1585 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1586 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1588 (vectorizable_reduction): Likewise.
1589 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1591 (vectorizable_type_demotion, vectorizable_type_promotion,
1592 vectorizable_store): Likewise.
1593 (vect_analyze_stmt): Update call to vectorizable_reduction.
1594 (vect_transform_stmt): Likewise.
1595 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1596 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1597 from different interleaving chains in same node.
1598 (vect_slp_rearrange_stmts): New function.
1599 (vect_supported_load_permutation_p): Allow load permutations for
1600 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1601 inside SLP nodes if necessary.
1602 (vect_analyze_slp_instance): Handle reductions.
1603 (vect_analyze_slp): Try to build SLP instances originating from groups
1605 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1606 (vect_get_constant_vectors): Create initial vectors for reductions
1607 according to reduction code. Add new argument.
1608 (vect_get_slp_defs): Add new argument, pass it to
1609 vect_get_constant_vectors.
1610 (vect_schedule_slp_instance): Remove SLP tree root statements.
1612 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1614 * tree.h (ENUM_IS_SCOPED): Define.
1615 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1616 for ENUM_IS_SCOPED enums.
1618 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1620 * fold-const.c (fold_comparison): Use ssizetype.
1621 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1622 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1623 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1624 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1626 * tree.h (initialize_sizetypes): Remove parameter.
1627 (build_common_tree_nodes): Remove second parameter.
1628 * stor-layout.c (initialize_sizetypes): Remove parameter.
1629 Always create an unsigned type.
1630 (set_sizetype): Assert that the passed type is unsigned and simplify.
1631 * tree.c (build_common_tree_nodes): Remove second parameter.
1632 Adjust call to initialize_sizetypes.
1633 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1634 build_common_tree_nodes.
1636 2010-04-18 Matthias Klose <doko@ubuntu.com>
1638 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1640 2010-04-18 Ira Rosen <irar@il.ibm.com>
1642 PR tree-optimization/43771
1643 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1644 load permutation doesn't have gaps.
1646 2010-04-18 Jan Hubicka <jh@suse.cz>
1648 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1649 (sse_prologue_save_insn expander): Use new pattern.
1650 (sse_prologue_save_insn1): New pattern and splitter.
1651 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1653 * i386.c (setup_incoming_varargs_64): Do not compute jump
1655 (ix86_gimplify_va_arg): Update alignment needed.
1656 (ix86_local_alignment): Do not align all local arrays to 128bit.
1658 2010-04-17 Jan Hubicka <jh@suse.cz>
1660 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1662 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1664 * arm.md (negdi2): Remove redundant code to force values into a
1667 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1669 * arm/bpabi.S: Add EABI alignment attributes to objects.
1670 * arm/bpabi-v6m.S: Likewise.
1671 * arm/crti.asm: Likewise.
1672 * arm/crtn.asm: Likewise.
1673 * arm/lib1funcs.asm: Likewise.
1674 * arm/libunwind.S: Likewise.
1676 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1678 * arm-protos.h (tune_params): New structure.
1679 * arm.c (current_tune): New variable.
1680 (arm_constant_limit): Delete.
1681 (struct processors): Add pointer to the tune parameters.
1682 (arm_slowmul_tune): New tuning option.
1683 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1684 (all_cores): Adjust to pick up the tuning model.
1685 (arm_constant_limit): New function.
1686 (arm_override_options): Select the appropriate tuning model. Delete
1687 initialization of arm_const_limit.
1688 (arm_split_constant): Use the new constant-limit model.
1689 (arm_rtx_costs): Pick up the current tuning model.
1690 * arm.md (is_strongarm, is_xscale): Delete.
1691 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1692 for Xscale variant architectures.
1693 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1695 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1697 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1699 (arm_rtx_costs_1): Remove unused variable extra_cost.
1700 (arm_unwind_emit_set): Use variable offset.
1701 (thumb1_output_casesi): Remove unused variable flags.
1703 2010-04-16 Jeff Law <law@redhat.com>
1705 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1706 needing assignment rather than doing a two-phase assignment. Remove
1707 unused variable 'm'.
1709 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1712 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1714 2010-04-16 Doug Kwan <dougkwan@google.com>
1716 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1717 (next_operand_entry_id): New static variable.
1718 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1719 (add_to_ops_vec): Assigned unique ID to operand entry.
1720 (struct oecount_s): New field ID.
1721 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1722 (undistribute_ops_list): Assign unique IDs to oecounts.
1723 (init_reassoc): reset next_operand_entry_id.
1725 2010-04-16 Doug Kwan <dougkwan@google.com>
1727 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1728 missing left parenthesis.
1730 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1732 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1733 *btdi_rex64 using SWI48 mode iterator.
1734 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1735 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1736 *jcc_btdi_mask_rex64.
1738 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1740 * double-int.h (tree_to_double_int): Convert to macro.
1741 * double-int.c (tree_to_double_int): Remove.
1743 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1746 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1747 with want_address 2 and in case a single element list might be
1748 possible, call it again with want_address 0.
1750 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1752 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1753 case 'W' print operands for HI mode.
1754 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1755 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1756 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1757 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1759 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1761 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1762 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1763 #xx:3 and #xx:4 mode.
1765 * config/h8300/h8300.md (inverted load with HImode dest): Add
1766 support for H8300SX.
1768 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1769 satisfy 'U' constraint.
1771 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1773 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1774 * configure: Regenerate.
1775 * config.in: Regenerate.
1776 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1779 2010-04-16 Richard Guenther <rguenther@suse.de>
1781 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1782 (struct tree_decl_common): ... here.
1783 (DECL_PT_UID): Adjust.
1784 (SET_DECL_PT_UID): Likewise.
1785 (DECL_PT_UID_SET_P): Likewise.
1787 2010-04-16 Richard Guenther <rguenther@suse.de>
1789 PR tree-optimization/43572
1790 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1791 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1792 * tree-flow.h (is_call_clobbered): Remove.
1793 * tree-flow-inline.h (is_call_clobbered): Likewise.
1794 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1795 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1796 (execute_return_slot_opt): Adjust.
1797 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1798 check for call clobbered vars here.
1799 (find_tail_calls): Move tailcall verification to the
1802 2010-04-16 Diego Novillo <dnovillo@google.com>
1804 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1806 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1809 * config/arm/arm.md (cbranchqi4): New pattern.
1810 * config/arm/predicates.md (const0_operand,
1811 cbranchqi4_comparison_operator): New predicates.
1813 2010-04-16 Richard Guenther <rguenther@suse.de>
1815 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1816 (dump_gimple_stmt): Likewise.
1818 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1820 * recog.h (struct recog_data): New field is_operator.
1821 (struct insn_operand_data): New field is_operator.
1822 * recog.c (extract_insn): Set recog_data.is_operator.
1823 * genoutput.c (output_operand_data): Emit code to set the
1825 * reload.c (find_reloads): Use it rather than testing for an
1826 empty constraint string.
1829 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1830 If the previous insn is a cbranchsi4_insn with the same arguments,
1831 omit the compare instruction.
1833 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1834 register, inputs must be low registers and we need a low register
1835 scratch. Handle alternative 2 like alternative 3.
1837 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1839 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1840 don't call get_addr on both. If one expression is a VALUE and
1841 the other a REG, check VALUE's locs if the REG isn't among them.
1843 2010-04-16 Christian Bruel <christian.bruel@st.com>
1845 * config/sh/sh.h (sh_frame_pointer_required): New function.
1846 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1847 (flag_omit_frame_pointer) Set.
1848 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1849 (rounded_frame_size): Adjust size with outgoing_args_size.
1850 (sh_set_return_address): Must return from stack pointer.
1851 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1852 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1853 (ACCUMULATE_OUTGOING_ARGS): Define.
1854 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1855 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1857 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1860 * config/sh/sh.c (sh_legitimize_reload_address): Use
1861 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1862 Remove a unneeded check for offset_base.
1864 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1866 * configure: Regenerated.
1868 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1870 * config/s390/s390.c (s390_call_save_register_used): Switch back
1871 to HARD_REGNO_NREGS.
1873 2010-04-15 Richard Guenther <rguenther@suse.de>
1875 * alias.c (alias_set_subset_of): Handle alias-set zero
1878 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1879 Julian Brown <julian@codesourcery.com>
1881 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1882 alternatives according to use of high and low regs.
1883 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1884 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1885 optimizing for size on Thumb-2.
1887 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1889 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1891 2010-04-15 Richard Guenther <rguenther@suse.de>
1893 * tree-ssa-structalias.c (struct variable_info): Add
1895 (new_var_info): Initialize it.
1896 (dump_constraints): Support printing last added constraints.
1897 (debug_constraints): Adjust.
1898 (dump_constraint_graph): Likewise.
1899 (make_heapvar_for): Check for NULL cfun.
1900 (get_function_part_constraint): New function.
1901 (get_fi_for_callee): Likewise.
1902 (find_func_aliases): Properly implement IPA PTA constraints.
1903 (process_ipa_clobber): New function.
1904 (find_func_clobbers): Likewise.
1905 (insert_into_field_list_sorted): Remove.
1906 (create_function_info_for): Properly allocate vars for IPA mode.
1907 Do not use insert_into_field_list_sorted.
1908 (create_variable_info_for): Properly generate constraints for
1909 global vars in IPA mode.
1910 (dump_solution_for_var): Always dump the solution.
1911 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1912 (find_what_var_points_to): Adjust.
1913 (pt_solution_set): Change.
1914 (pt_solution_ior_into): New function.
1915 (pt_solution_empty_p): Export.
1916 (pt_solution_includes_global): Adjust.
1917 (pt_solution_includes_1): Likewise.
1918 (pt_solutions_intersect_1): Likewise.
1919 (dump_sa_points_to_info): Check some invariants.
1920 (solve_constraints): Move constraint dumping ...
1921 (compute_points_to_sets): ... here.
1922 (ipa_pta_execute): ... and here.
1923 (compute_may_aliases): Do not re-compute points-to info
1924 locally if IPA info is available.
1925 (ipa_escaped_pt): New global var.
1926 (ipa_pta_execute): Properly implement IPA PTA.
1927 * tree-into-ssa.c (dump_decl_set): Support dumping
1928 decls not in referenced-vars.
1929 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1930 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1931 (dump_points_to_solution): Likewise.
1932 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1933 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1934 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1935 (copy_decl_to_var): Copy DECL_PT_UID.
1936 (copy_result_decl_to_var): Likewise.
1937 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1938 (copy_node_stat): Copy it.
1939 * tree.h (DECL_PT_UID): New macro.
1940 (SET_DECL_PT_UID): Likewise.
1941 (DECL_PT_UID_SET_P): Likewise.
1942 (struct tree_decl_minimal): Add pt_uid member.
1943 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1944 (pt_solution_empty_p): Declare.
1945 (pt_solution_set): Adjust.
1946 (ipa_escaped_pt): Declare.
1947 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1948 * gimple-pretty-print.c (pp_points_to_solution): New function.
1949 (dump_gimple_call): Dump call clobber/use information.
1950 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1951 * tree-pass.h (TDF_ALIAS): New dump option.
1952 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1953 * doc/invoke.texi (-fipa-pta): Update documentation.
1955 2010-04-15 Richard Guenther <rguenther@suse.de>
1957 * Makefile.in (OBJS-common): Add gimple-fold.o.
1958 (gimple-fold.o): New rule.
1959 * tree.h (maybe_fold_offset_to_reference,
1960 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1962 * gimple.h: ... here.
1963 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1964 may_propagate_address_into_dereference): Move prototypes ...
1965 * gimple.h: ... here.
1966 * tree-ssa-ccp.c (get_symbol_constant_value,
1967 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1968 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1969 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1970 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1971 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1972 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1973 gimplify_and_update_call_from_tree): Move ...
1974 * gimple-fold.c: ... here. New file.
1975 (ccp_fold_builtin): Rename to ...
1976 (gimple_fold_builtin): ... this.
1977 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1979 2010-04-15 Richard Guenther <rguenther@suse.de>
1981 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1982 fit_double_type, force_fit_type_double, add_double_with_sign,
1983 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1984 lrotate_double, rrotate_double, div_and_round_double): Move ...
1985 * double-int.c: ... here.
1986 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1987 add_double, neg_double, mul_double_with_sign, mul_double,
1988 lshift_double, rshift_double, lrotate_double, rrotate_double,
1989 div_and_round_double): Move prototypes ...
1990 * double-int.h: ... here.
1992 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1995 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1996 matching constraints to ensure inputs match the output.
1998 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2001 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2002 in an input-only operand.
2004 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2006 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2007 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2008 (double_int_negative_p): Convert to static inline function.
2009 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2010 (double_int_negative_p): Remove.
2011 * tree.h (lshift_double, rshift_double):
2012 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2013 * fold-const.c (fold_convert_const_int_from_real,
2014 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2015 (lshift_double): Change type of arith argument to bool.
2016 (rshift_double): Change type of arith argument to bool. Correct
2018 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2020 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2023 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2024 at the start and end of the then/else blocks, and omit them from the
2026 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2027 argument; all callers changed. Pass zero to old_insns_match_p instead.
2028 (flow_find_head_matching_sequence): New function.
2029 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2030 * basic-block.h (flow_find_cross_jump,
2031 flow_find_head_matching_sequence): Declare functions.
2033 2010-04-14 Jason Merrill <jason@redhat.com>
2036 * c-common.c (attribute_takes_identifier_p): New fn.
2037 * c-common.h: Declare it.
2039 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2041 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2043 (*udivmod<mode>4): Ditto.
2045 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2047 * config/i386/i386.md (maxmin_int): Rename code attribute from
2048 maxminiprefix and update all users.
2049 (maxmin_float): Ditto from maxminfprefix.
2050 (logic): Ditto from logicprefix.
2051 (absneg_mnemonic): Ditto from absnegprefix.
2052 * config/i386/mmx.md: Update all users of maxminiprefix,
2053 maxminfprefix and logicprefix for rename.
2054 * config/i386/sse.md: Ditto.
2055 * config/i386/sync.md (sync_<code><mode>): Update for
2058 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2061 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2062 warnings converted to errors.
2064 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2066 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2067 used insn_type variable.
2068 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2069 to avoid set-but-not-used warning.
2071 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2073 * df-core.c (df_ref_debug): Change format string placeholder
2075 * dwarf2asm.c (dw2_asm_output_data_raw,
2076 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2077 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2078 * dwarf2out.c (output_cfi, output_cfi_directive,
2079 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2080 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2082 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2083 * print-rtl.c (print_rtx): Ditto.
2085 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2088 * builtins.c (expand_builtin_pow_root): New function to expand pow
2089 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2090 series of sqrt and cbrt calls under -ffast-math.
2091 (expand_builtin_pow): Call it.
2093 2010-04-14 Michael Matz <matz@suse.de>
2095 PR tree-optimization/42963
2096 * tree-cfg.c (touched_switch_bbs): New static variable.
2097 (group_case_labels_stmt): New function broken out from ...
2098 (group_case_labels): ... here, use the above.
2099 (start_recording_case_labels): Allocate touched_switch_bbs.
2100 (end_recording_case_labels): Deallocate it, call
2101 group_case_labels_stmt.
2102 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2104 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2106 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2109 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2111 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2113 2010-04-13 Jan Hubicka <jh@suse.cz>
2115 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2116 of optimized out static functions.
2117 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2118 cost computation. Also sanity check for overflows.
2119 (update_caller_keys): Update cgraph_edge_badness call; properly
2120 update fibheap and sanity check that it is up to date.
2121 (add_new_edges_to_heap): Update cgraph_edge_badness.
2122 (cgraph_decide_inlining_of_small_function): Likewise;
2123 add sanity checking that badness in heap is up to date;
2124 improve dumping of reason; Update badness of calls to the
2125 offline copy of function currently inlined; dump badness
2126 of functions not inlined because of unit growth limits.
2128 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2131 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2132 because of sign-extension change when converting to sizetype here...
2133 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2135 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2136 the folding to constants. Remove redundant final conversion.
2137 (fold_binary) <associate>: Do not associate if the re-association of
2138 constants alone overflows.
2139 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2140 to the end of the list.
2141 (multiple_of_p) <COND_EXPR>: New case.
2143 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2145 * opt-functions.awk (opt_sanitized_name): New.
2147 * optc-gen.awk: Use it
2148 * opth-gen.awk: Use it.
2150 2010-04-13 Martin Jambor <mjambor@suse.cz>
2152 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2153 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2154 children. Call replace_uses_with_default_def_ssa_name to handle
2157 2010-04-13 Michael Matz <matz@suse.de>
2160 * builtins.c (expand_builtin_interclass_mathfn): Also create
2161 a register if the predicate doesn't match.
2163 2010-04-13 Diego Novillo <dnovillo@google.com>
2165 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2166 * c-pch.c: Include timevar.h.
2167 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2168 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2169 * ggc-common.c: Include timevar.h.
2170 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2171 * timevar.def (TV_PCH_SAVE): Define.
2172 (TV_PCH_CPP_SAVE): Define.
2173 (TV_PCH_PTR_REALLOC): Define.
2174 (TV_PCH_PTR_SORT): Define.
2175 (TV_PCH_RESTORE): Define.
2176 (TV_PCH_CPP_RESTORE): Define.
2178 2010-04-13 Michael Matz <matz@suse.de>
2180 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2182 (can_reassociate_p): New function.
2183 (break_up_subtract_bb, reassociate_bb): Use it.
2185 2010-04-13 Richard Guenther <rguenther@suse.de>
2188 * builtins.c (c_readstr): Fix assert.
2190 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2193 when generating cltd insn.
2195 (*ashl<mode>3_1): Remove special handling for register operand 2.
2196 (*ashlsi3_1_zext): Ditto.
2197 (*ashlhi3_1): Ditto.
2198 (*ashlhi3_1_lea): Ditto.
2199 (*ashlqi3_1): Ditto.
2200 (*ashlqi3_1_lea): Ditto.
2201 (*<shiftrt_insn><mode>3_1): Ditto.
2202 (*<shiftrt_insn>si3_1_zext): Ditto.
2203 (*<shiftrt_insn>qi3_1_slp): Ditto.
2204 (*<rotate_insn><mode>3_1): Ditto.
2205 (*<rotate_insn>si3_1_zext): Ditto.
2206 (*<rotate_insn>qi3_1_slp): Ditto.
2208 2010-04-13 Richard Guenther <rguenther@suse.de>
2210 * tree-ssa-structalias.c (callused_id): Remove.
2211 (call_stmt_vars): New.
2212 (get_call_vi): Likewise.
2213 (lookup_call_use_vi): Likewise.
2214 (lookup_call_clobber_vi): Likewise.
2215 (get_call_use_vi): Likewise.
2216 (get_call_clobber_vi): Likewise.
2217 (make_transitive_closure_constraints): Likewise.
2218 (handle_const_call): Adjust to do per-call call-used handling.
2219 (handle_pure_call): Likewise.
2220 (find_what_var_points_to): Remove general callused handling.
2221 (init_base_vars): Likewise.
2222 (init_alias_vars): Initialize call_stmt_vars.
2223 (compute_points_to_sets): Process call-used and call-clobbered
2224 vars for call statements.
2225 (delete_points_to_sets): Free call_stmt_vars.
2227 2010-04-13 Richard Guenther <rguenther@suse.de>
2229 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2230 Only add RW dependence for dependence distance zero.
2231 Adjust maximal vectorization factor according to dependences.
2232 Move alignment handling ...
2233 (vect_find_same_alignment_drs): ... here. New function.
2234 (vect_analyze_data_ref_dependences): Adjust.
2235 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2236 (vect_analyze_data_refs): Adjust minimal vectorization factor
2237 according to data references.
2238 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2239 dependences before determining the vectorization factor.
2240 Analyze alignment after determining the vectorization factor.
2241 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2242 dependences before alignment.
2243 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2245 (vect_analyze_data_refs): Likewise.
2246 (MAX_VECTORIZATION_FACTOR): New define.
2248 2010-04-13 Duncan Sands <baldrick@free.fr>
2250 * except.h (lang_eh_type_covers): Remove.
2251 * except.c (lang_eh_type_covers): Likewise.
2253 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2254 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2256 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2257 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2258 UNITS_PER_LONG where it is ABI relevant.
2259 (s390_return_addr_rtx): Likewise.
2260 (s390_back_chain_rtx): Likewise.
2261 (s390_frame_area): Likewise.
2262 (s390_frame_info): Likewise.
2263 (s390_initial_elimination_offset): Likewise.
2264 (save_gprs): Likewise.
2265 (s390_emit_prologue): Likewise.
2266 (s390_emit_epilogue): Likewise.
2267 (s390_function_arg_advance): Likewise.
2268 (s390_function_arg): Likewise.
2269 (s390_va_start): Likewise.
2270 (s390_gimplify_va_arg): Likewise.
2271 (s390_function_profiler): Likewise.
2272 (s390_optimize_prologue): Likewise.
2273 (s390_rtx_costs): Likewise.
2274 (s390_secondary_reload): Likewise.
2275 (s390_promote_function_mode): Likewise.
2276 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2277 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2278 registers available.
2279 (s390_unwind_word_mode): New function.
2280 (s390_function_value): Split 64 bit values into register pair if
2281 used as return value.
2282 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2283 function call parameters. Handle parallels.
2284 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2285 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2286 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2287 (s390_expand_setmem): Remove unused variable src_addr.
2288 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2289 deal with 64 bit registers.
2290 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2291 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2292 (UNITS_PER_LONG): New macro.
2293 * libjava/include/s390-signal.h: Define extended ucontext
2294 structure containing the upper halfs of the 64 bit registers.
2296 2010-04-13 Simon Baldwin <simonb@google.com>
2298 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2300 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2302 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2303 rvalue on the RHS if the LHS is of a non-renamable type.
2304 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2306 2010-04-13 Matthias Klose <doko@ubuntu.com>
2308 * gcc.c (cc1_options): Handle -iplugindir before processing
2309 the cc1 spec. Only add -iplugindir once.
2310 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2312 * common.opt (iplugindir): Remove `Separate' property, initialize.
2313 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2315 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2316 (distclean): Remove plugin dir.
2317 * doc/invoke.texi: Document -iplugindir.
2319 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2321 * doc/plugins.texi (Loading Plugins): Document short
2322 -fplugin=foo option.
2323 (Plugin API): Mention default_plugin_dir_name function.
2325 * gcc.c (find_file_spec_function): Add new declaration.
2326 (static_spec_func): Use it for "find-file".
2327 (find_file_spec_function): Add new function.
2328 (cc1_options): Add -iplugindir option if -fplugin* options found.
2330 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2332 * plugin.c (add_new_plugin): Updated comment, and handle short
2334 (default_plugin_dir_name): Added new function.
2336 * common.opt (iplugindir): New option to set the plugin directory.
2338 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2340 * config/i386/i386.md (any_rotate): New code iterator.
2341 (rotate_insn): New code attribute.
2343 (SWIM124): New mode iterator.
2344 (<rotate_insn>ti3): New expander.
2345 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2346 any_rotate code iterator.
2347 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2348 using any_rotate code iterator and SWIM124 mode iterator.
2349 (ix86_rotlti3): New insn_and_split pattern.
2350 (ix86_rotrti3): Ditto.
2351 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2352 ix86_rotl{di,ti}3 patterns.
2353 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2354 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2355 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2356 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2357 code iterator and SWI mode iterator.
2358 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2359 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2361 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2362 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2363 (bswap rotatert splitter): Add splitter.
2364 (bswap splitter): Macroize splitter using any_rotate code iterator.
2365 Add insn predicate to split only for TARGET_USE_XCHGB or when
2366 optimizing function for size.
2368 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2370 * config/pa/pa.c (emit_move_sequence): Remove use of
2371 deleted variable flag_argument_noalias.
2373 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2375 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2377 Add to unsupported targets list.
2378 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2379 sparc*-sun-solaris2.[567]* from target lists.
2380 * configure: Regenerate.
2381 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2383 Remove Solaris 7 patch references.
2384 (Specific, sparc-sun-solaris2.7): Removed.
2385 (sparc-sun-solaris2*): Update Solaris 7 example.
2386 (sparc64-*-solaris2*): Likewise.
2388 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2390 * config.build (alpha*-dec-osf4*): Remove.
2391 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2392 of obsolete configurations.
2393 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2395 * config/alpha/t-osf4: Renamed to ...
2396 * config/alpha/t-osf5: ... this.
2397 * config/alpha/osf.h: Renamed to ...
2398 * config/alpha/osf5.h: ... this.
2399 Merged old osf5.h contents.
2401 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2402 (EXTRA_SPECS): Removed.
2403 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2404 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2407 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2409 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2411 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2414 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2415 __thiscall convention.
2417 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2419 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2421 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2423 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2425 * function.c (assign_parms_initialize_all): Add unused attribute
2428 2010-04-12 Richard Guenther <rguenther@suse.de>
2430 * gsstruct.def (GSS_CALL): New.
2431 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2432 * gimple.h: Include tree-ssa-alias.h.
2433 (struct gimple_statement_call): New.
2434 (union gimple_statement_struct_d): Add gimple_call member.
2435 (gimple_call_reset_alias_info): Declare.
2436 (gimple_call_use_set): New function.
2437 (gimple_call_clobber_set): Likewise.
2438 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2439 * gimple.c (gimple_call_reset_alias_info): New function.
2440 (gimple_build_call_1): Call it.
2441 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2442 * tree-inline.c (remap_gimple_stmt): Likewise.
2443 (expand_call_inline): Remove callused handling.
2444 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2445 * tree-dfa.c (dump_variable): Likewise.
2446 * tree-parloops.c (parallelize_loops): Likewise.
2447 * tree-ssa.c (init_tree_ssa): Likewise.
2448 (delete_tree_ssa): Likewise.
2449 * tree-flow-inline.h (is_call_used): Remove.
2450 * tree-flow.h (struct gimple_df): Remove callused member.
2451 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2452 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2453 (ref_maybe_used_by_call_p_1): Simplify.
2454 (call_may_clobber_ref_p_1): Likewise.
2455 * tree-ssa-structalias.c (compute_points_to_sets): Set
2456 the call stmt used and clobbered sets.
2457 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2458 (find_tail_calls): Verify the tail call.
2460 2010-04-12 Richard Guenther <rguenther@suse.de>
2462 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2463 single-iteration always-inline inlining.
2464 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2465 (cgraph_decide_inlining): Do not handle always-inline specially.
2466 (try_inline): Remove always-inline cycle detection special case.
2467 Do not recurse on always-inlines.
2468 (cgraph_early_inlining): Do not iterate if not optimizing.
2469 (cgraph_gate_early_inlining): remove.
2470 (pass_early_inline): Run unconditionally.
2471 (gate_cgraph_decide_inlining): New function.
2472 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2473 not inlining or optimizing.
2474 (cgraph_decide_inlining_of_small_functions): Also consider
2475 always-inline functions.
2476 (cgraph_default_inline_p): Return true for nodes which should
2477 disregard inline limits.
2478 (estimate_function_body_sizes): Assume zero size and time for
2479 nodes which are marked as disregarding inline limits.
2480 (cgraph_decide_recursive_inlining): Do not perform recursive
2481 inlining on always-inline nodes.
2483 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2486 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2487 for exprs satisfying handled_component_p.
2489 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2491 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2492 non-constant aggregate elements.
2494 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2495 is a real initialization.
2497 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2500 * c-decl.c (start_function): Move forward check for nested function.
2502 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2504 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2505 * config/sh/sh.c: Include reload.h.
2506 (sh_legitimize_reload_address): New.
2507 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2508 sh_legitimize_reload_address.
2510 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2512 * config/sh/sh.md (*movqi_pop): New insn pattern.
2513 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2515 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2517 * config/i386/i386.md (any_shiftrt): New code iterator.
2518 (shiftrt_insn): New code attribute.
2520 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2521 using any_shiftrt code iterator.
2522 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2523 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2524 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2525 pattern from corresponding peephole2 patterns.
2526 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2527 using any_shiftrt code iterator.
2528 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2529 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2530 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2531 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2532 *{ashr,lshr}<mode>3_cmp_zext.
2533 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2535 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2537 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2539 (*lshr<mode>3_cconly): Ditto.
2541 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2543 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2544 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2545 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2546 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2548 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2549 from corresponding peephole2 patterns.
2550 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2551 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2552 and *lshrdi3_1_rex64 using SWI mode iterator.
2553 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2554 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2555 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2556 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2557 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2558 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2559 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2560 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2561 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2564 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2566 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2567 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2568 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2569 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2571 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2572 from corresponding peephole2 patterns.
2573 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2574 (ashrsi3_cvt): Rename from ashrsi3_31.
2575 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2576 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2577 and x86_64_shift_adj_3 using SWI48 mode iterator.
2578 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2579 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2580 and *ashrdi3_1_rex64 using SWI mode iterator.
2581 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2582 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2583 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2584 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2585 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2586 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2587 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2588 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2589 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2591 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2592 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2593 x86_shift<mode>_adj_3 expanders.
2595 2010-04-10 Wei Guozhi <carrot@google.com>
2598 * config/arm/arm.c (arm_pic_static_addr): New function.
2599 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2601 (arm_output_addr_const_extra): Output expression for new pattern.
2602 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2604 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2606 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2609 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2610 * web.c: Include "insn-config.h" and "recog.h".
2611 (union_match_dups): New function.
2612 (web_main): Call it.
2613 (union_defs): Don't try to recognize match_dups.
2615 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2616 if doing so would replace the entire pattern.
2618 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2622 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2623 and splitter pattern. Change splitter operand 1 predicate to
2626 2010-04-09 Martin Jambor <mjambor@suse.cz>
2628 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2629 lattices are addresses of CONST_DECLs with the same initial value.
2630 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2631 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2633 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2634 Bernd Schmidt <bernds@codesourcery.com>
2636 * loop-invariant.c (replace_uses): New static function.
2637 (move_invariant_reg): Use it to ensure we can replace the uses.
2639 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2641 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2643 (picochip_override_options): Enable section anchors only above -O1.
2644 (picochip_reorg): Fixed a couple of build warnings.
2646 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2648 * configure.ac (plugin -rdynamic test): Log result.
2649 * configure: Regenerate.
2650 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2651 (RDYNAMIC_SPEC): Define.
2652 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2654 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2656 * configure.ac: Determine Sun ld version numbers.
2657 (comdat_group): Restrict GNU ld version checks to gld.
2658 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2659 (enable_comdat): Support --enable-comdat.
2660 * configure: Regenerate.
2661 * doc/install.texi (Configuration): Document --enable-comdat.
2663 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2665 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2666 * config/sol2-gld.h: ... here.
2667 * config.gcc (sparc*-*-solaris2*): Reflect this.
2668 (i[34567]86-*-solaris2*): Use it.
2670 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2672 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2674 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2676 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2679 * diagnostic.c (diagnostic_initialize): Initialize
2680 some_warnings_are_errors.
2681 (diagnostic_finish): New.
2682 (diagnostic_action_after_output): Call it before exiting.
2683 (diagnostic_report_diagnostic): Do not print message here. Set
2684 some_warnings_are_errors.
2685 * diagnostic.h (diagnostic_context): Delete
2686 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2687 (diagnostic_finish): Declare.
2688 * toplev.c (toplev_main): Call it before exit.
2690 2010-04-09 Jason Merrill <jason@redhat.com>
2693 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2694 for incomplete type.
2697 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2698 based on a warning flag.
2700 2010-04-09 Richard Guenther <rguenther@suse.de>
2702 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2704 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2707 * varasm.c (default_assemble_visibility): Wrap vars that are
2708 set, but unused, by targets without GAS.
2709 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2710 Remove set, but unused, vars.
2711 (rs6000_legitimize_tls_address): Likewise.
2712 (altivec_expand_dst_builtin): Likewise.
2713 * config/darwin.c (machopic_classify_symbol): Likewise.
2714 (machopic_indirection_name): Likewise.
2716 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2718 * config/i386/i386.md (DWI): New mode iterator.
2719 (S): New mode attribute.
2720 (shift_operand): Ditto.
2721 (shift_immediate_operand): Ditto.
2722 (ashl_input_operand): Ditto.
2723 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2724 using SDWIM mode iterator.
2725 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2726 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2728 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2729 from corresponding peephole2 patterns.
2730 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2731 and x86_64_shift_adj_1 using SWI48 mode iterator.
2732 (x86_shift<mode>_adj_2): Ditto.
2733 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2734 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2735 using SWI48 mode iterator.
2736 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2737 *ashldi3_cmp_rex64 using SWI mode iterator.
2738 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2739 *ashldi3_cconly_rex64 using SWI mode iterator.
2740 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2741 x86_shift<mode>_adj_{1,2}.
2742 (ix86_split_ashr): Ditto.
2743 (ix86_split_lshr): Ditto.
2745 2010-04-09 Richard Guenther <rguenther@suse.de>
2747 * target.h (builtin_conversion): Pass in input and output types.
2748 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2749 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2750 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2751 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2753 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2755 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2757 2010-04-09 Richard Guenther <rguenther@suse.de>
2760 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2762 2010-04-09 Richard Guenther <rguenther@suse.de>
2764 * tree-vectorizer.h (struct _stmt_vec_info): Document
2765 that vectype is the type of the LHS.
2766 (supportable_widening_operation, supportable_narrowing_operation):
2767 Get both input and output vector types as arguments.
2768 (vect_is_simple_use_1): Declare.
2769 (get_same_sized_vectype): Likewise.
2770 * tree-vect-loop.c (vect_determine_vectorization_factor):
2771 Set STMT_VINFO_VECTYPE to the vector type of the def.
2772 (vectorizable_reduction): Adjust.
2773 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2774 Adjust. Specify the output vector type.
2775 (vect_pattern_recog_1): Adjust.
2776 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2777 (vectorizable_call): Adjust.
2778 (vectorizable_conversion): Likewise.
2779 (vectorizable_operation): Likewise.
2780 (vectorizable_type_demotion): Likewise.
2781 (vectorizable_type_promotion): Likewise.
2782 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2784 (vect_is_simple_use_1): New function.
2785 (supportable_widening_operation): Get both input and output
2787 (supportable_narrowing_operation): Likewise.
2788 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2790 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2792 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2793 __thiscall and _thiscall as predefined macros.
2794 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2795 thiscall attribute handling.
2796 (ix86_comp_type_attributes): Likewise.
2797 (ix86_function_regparm): Likewise.
2798 (ix86_return_pops_args): Likewise.
2799 (init_cumulative_args): Likewise.
2800 (find_drap_reg): Likewise.
2801 (ix86_static_chain): Likewise.
2802 (x86_this_parameter): Likewise.
2803 (x86_output_mi_thunk): Likewise.
2804 (ix86_attribute_table): Add description for thiscall attribute.
2805 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2806 * doc/extend.texi: Add documentation for thiscall.
2808 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2811 * c.opt (Wint-to-pointer-cast): Available in C++.
2812 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2814 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2816 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2817 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2818 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2819 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2820 function type instead. Reorder and simplify checks.
2822 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2824 2010-04-08 Jing Yu <jingyu@google.com>
2825 Zdenek Dvorak <ook@ucw.cz>
2827 PR tree-optimization/42720
2828 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2829 loop unswitch conditions here from ...
2830 (tree_unswitch_single_loop): ... here.
2832 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2834 * tree-if-conv.c: Fix comments and simplify logic.
2836 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2838 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2839 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2840 (main_tree_if_conversion): Update call to tree_if_conversion.
2842 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2845 * doc/invoke.texi (-b,-V): Delete.
2846 * doc/tm.texi: Do not mention -b.
2847 * gcc.c (display_help): Delete -b and -V.
2848 (process_command): Delete -b and -V.
2849 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2851 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2852 Wolfgang Gellerich <gellerich@de.ibm.com>
2854 Implement target hook for loop unrolling
2855 * target.h (loop_unroll_adjust): Add a new target hook function.
2856 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2857 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2858 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2859 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2860 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2862 (decide_unroll_stupid): Likewise.
2864 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2867 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2869 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2871 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2872 (Specific, *-*-solaris2*): Likewise.
2873 Don't prefer Sun as over GNU as.
2875 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2877 * config/s390/s390.c (override_options): Adjust the z10
2878 defaults for max-unroll-times, max-completely-peeled-insns
2879 and max-completely-peel-times.
2881 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2883 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2884 instructions for z10.
2885 (s390_expand_setmem): Likewise.
2886 (s390_expand_cmpmem): Likewise.
2888 2010-04-08 Richard Guenther <rguenther@suse.de>
2890 PR tree-optimization/43679
2891 * tree-ssa-pre.c (eliminate): Only propagate copies.
2893 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2896 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2897 set but not used variable warning.
2899 2010-04-08 Wei Guozhi <carrot@google.com>
2902 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2903 (arm_size_rtx_costs): Call the new function when optimized for size.
2905 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2908 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2909 op0 is not a MEM, just return NULL instead of assertion
2911 (discover_nonconstant_array_refs): Don't walk debug stmts.
2913 2010-04-08 Doug Kwan <dougkwan@google.com>
2915 * configure.ac: Recognize gold and do not use its version number
2916 to test ld features.
2917 * configure: Regenerate.
2919 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2922 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2923 (negate_value): Move code to push elements to broken_up_substracts ...
2924 (eliminate_plus_minus_pair): ... here. Push operands that have no
2925 negative pair to plus_negates.
2926 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2928 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2930 * doc/install.texi (Configuration): Move description of
2931 --enable-lto, --with-libelf*, --enable-gold from Java section to
2934 * doc/generic.texi (Working with declarations)
2935 (Function Properties, C and C++ Trees): Fix typos.
2936 * doc/sourcebuild.texi (Top Level): Likewise.
2938 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2941 * tree.h (DECL_READ_P): Define.
2942 (struct tree_decl_common): Add decl_read_flag.
2943 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2944 a set but not used warning.
2945 (merge_decls): Merge DECL_READ_P flag.
2946 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2947 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2948 * c-common.c (handle_used_attribute, handle_unused_attribute):
2950 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2952 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2954 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2955 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2956 c_parser_binary_expression, c_parser_cast_expression,
2957 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2958 Call default_function_array_read_conversion instead of
2959 default_function_array_conversion where needed.
2960 (c_parser_unary_expression, c_parser_conditional_expression,
2961 c_parser_postfix_expression_after_primary, c_parser_initelt):
2962 Likewise. Call mark_exp_read where needed.
2963 (c_parser_statement_after_labels, c_parser_asm_operands,
2964 c_parser_typeof_specifier, c_parser_sizeof_expression,
2965 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2967 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2969 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2970 (warn_unused_but_set_parameter): Default to warn_unused
2972 * doc/invoke.texi: Document -Wunused-but-set-variable and
2973 -Wunused-but-set-parameter.
2975 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2976 used count variable.
2977 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2978 when operandN variables aren't used in the body of the expander
2980 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2981 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2982 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2983 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2984 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2985 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2986 * tree.c (PROCESS_ARG): Likewise.
2988 2010-04-07 Simon Baldwin <simonb@google.com>
2990 * diagnostic.h (diagnostic_override_option_index): New macro to
2991 set a diagnostic's option_index.
2992 * c-tree.h (c_cpp_error): Add warning reason argument.
2993 * opts.c (_warning_as_error_callback): New.
2994 (register_warning_as_error_callback): Store callback for
2995 warnings enabled via enable_warning_as_error.
2996 (enable_warning_as_error): Call callback, minor code tidy.
2997 * opts.h (register_warning_as_error_callback): Declare.
2998 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2999 response to -Werror=.
3000 (c_common_init_options): Register warning_as_error_callback in opts.c.
3001 * common.opt: Add -Wno-cpp option.
3002 * c-common.c (struct reason_option_codes_t): Map cpp warning
3003 reason codes to gcc option indexes.
3004 * (c_option_controlling_cpp_error): New function, lookup the gcc
3005 option index for a cpp warning reason code.
3006 * (c_cpp_error): Add warning reason argument, call
3007 c_option_controlling_cpp_error for diagnostic_override_option_index.
3008 * doc/invoke.texi: Document -Wno-cpp.
3010 2010-04-07 Richard Guenther <rguenther@suse.de>
3012 * ipa-reference.c (mark_load): Use get_base_address.
3013 (mark_store): Likewise.
3015 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3016 inserting GIMPLE_NOPs into the IL.
3017 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3018 Explicitly strip handled components and indirect references.
3020 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3021 folding address expressions.
3022 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3023 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3024 operand_equal_p to compare decls.
3025 (ptr_deref_may_alias_decl_p): Likewise.
3026 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3027 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3028 Handle reversed comparison ops.
3029 * tree-sra.c (asm_visit_addr): Use get_base_address.
3030 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3031 * ipa-reference.c (mark_address): Use get_base_address.
3033 2010-04-07 Richard Guenther <rguenther@suse.de>
3035 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3036 Propagate constants everywhere.
3038 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3041 * tree.c (MAX_INT_CACHED_PREC): Define.
3042 (nonstandard_integer_type_cache): New array.
3043 (build_nonstandard_integer_type): Cache results for precision
3044 <= MAX_INT_CACHED_PREC.
3046 2010-04-07 Richard Guenther <rguenther@suse.de>
3048 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3049 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3050 * common.opt: Likewise.
3051 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3052 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3053 (nonoverlapping_memrefs_p): Likewise.
3054 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3055 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3056 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3057 OPT_fargument_noalias_global for backward compatibility.
3059 2010-04-07 Richard Guenther <rguenther@suse.de>
3061 PR tree-optimization/43270
3062 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3063 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3064 * tree-ssa-pre.c (phi_translate_1): Adjust.
3065 (fully_constant_expression): Split out vn_reference handling to ...
3066 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3067 Fold reads from constant strings.
3068 (vn_reference_lookup): Handle fully constant references.
3069 (vn_reference_lookup_pieces): Likewise.
3070 * Makefile.in (expmed.o-warn): Add -Wno-error.
3072 2010-04-07 Martin Jambor <mjambor@suse.cz>
3074 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3076 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3079 * gcc.c: Add -static-libstdc++ to list of recognized options.
3081 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3083 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3085 2010-04-07 Richard Guenther <rguenther@suse.de>
3088 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3089 bases build simple mem attributes to retain points-to information.
3091 2010-04-07 Richard Guenther <rguenther@suse.de>
3094 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3095 preserve points-to related information.
3097 2010-04-07 Richard Guenther <rguenther@suse.de>
3100 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3101 discard plain indirect references.
3102 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3103 * tree.c (tree_nop_conversion): Likewise.
3105 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3108 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3110 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3112 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3113 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3115 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3117 * tree-if-conv.c: Fix indentation and comments.
3119 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3121 * tree-if-conv.c: Sort static functions in topological order.
3123 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3125 * tree-if-conv.c: Fix indentation and comments.
3127 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3130 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3131 lang_hooks.types.type_for_size instead of
3132 build_nonstandard_integer_type.
3133 When converting an unsigned type to signed, double its precision.
3134 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3135 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3136 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3139 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3142 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3143 POINTER_PLUS_EXPR for pointer types.
3145 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3148 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3149 * graphite-clast-to-gimple.c: Include langhooks.h.
3150 (max_signed_precision_type): New.
3151 (max_precision_type): Takes two types as arguments.
3152 (precision_for_value): New.
3153 (precision_for_interval): New.
3154 (gcc_type_for_interval): New.
3155 (gcc_type_for_value): New.
3156 (gcc_type_for_clast_term): New.
3157 (gcc_type_for_clast_red): New.
3158 (gcc_type_for_clast_bin): New.
3159 (gcc_type_for_clast_expr): Split up into several functions.
3160 (gcc_type_for_clast_eq): Rewritten.
3161 (compute_bounds_for_level): New.
3162 (compute_type_for_level_1): New.
3163 (compute_type_for_level): New.
3164 (gcc_type_for_cloog_iv): Removed.
3165 (gcc_type_for_iv_of_clast_loop): Rewritten.
3166 (graphite_create_new_loop): Compute the lower and upper bound types
3167 with gcc_type_for_clast_expr.
3168 (graphite_create_new_loop_guard): Same.
3169 (find_cloog_iv_in_expr): Removed.
3170 (compute_cloog_iv_types_1): Removed.
3171 (compute_cloog_iv_types): Removed.
3172 (gloog): Do not call compute_cloog_iv_types.
3173 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3175 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3176 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3177 (GBB_CLOOG_IV_TYPES): Removed.
3179 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3181 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3182 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3183 (detect_commutative_reduction): Same.
3185 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3187 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3188 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3190 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3191 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3192 (rewrite_commutative_reductions_out_of_ssa): Same.
3193 * passes.c (execute_function_todo): Call verify_ssa for every pass
3194 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3195 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3196 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3197 with an extra argument.
3198 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3199 verify_ssa only when the extra argument is true.
3200 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3201 with an extra argument.
3202 (tree_transform_and_unroll_loop): Same.
3204 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3206 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3207 for all the passes of the LNO having LOOP_CLOSED_SSA.
3208 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3209 * tree-loop-distribution.c (pass_loop_distribution): Same.
3210 * tree-pass.h (TODO_verify_loops): Removed.
3211 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3213 (pass_tree_unswitch): Same.
3214 (pass_predcom): Same.
3215 (pass_vectorize): Same.
3216 (pass_linear_transform): Same.
3217 (pass_graphite_transforms): Same.
3218 (pass_iv_canon): Same.
3219 (pass_complete_unroll): Same.
3220 (pass_complete_unrolli): Same.
3221 (pass_parallelize_loops): Same.
3222 (pass_loop_prefetch): Same.
3223 (pass_iv_optimize): Same.
3225 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3228 * passes.c (init_optimization_passes): Move pass_lim before
3229 pass_copy_prop and pass_dce_loop.
3231 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3234 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3235 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3236 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3237 MULTI_* defines for 4 argument vpermil2p* builtins.
3239 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3241 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3242 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3243 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3244 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3245 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3246 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3247 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3248 Use x86_maybe_negate_const_int to output insn mnemonic.
3249 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3250 check from instruction predicate. Update comments.
3251 * config/i386/sync.md (sync_add<mode>): Use
3252 x86_maybe_negate_const_int to output insn mnemonic.
3254 2010-04-06 Jan Hubicka <jh@suse.cz>
3256 PR tree-optimization/42906
3257 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3258 IGNORE_SELF argument. Set visited_control_parents for fully
3260 (find_obviously_necessary_stmts): Update call of
3261 mark_control_dependent_edges_necessary.
3262 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3264 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3266 * config/i386/i386.md: Remove comment about 'e' and 'E'
3269 2010-04-06 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/43627
3272 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3273 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3276 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3278 * BASE-VER: Change to 4.6.0.
3281 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3284 2010-04-06 Richard Guenther <rguenther@suse.de>
3287 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3289 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3291 * doc/invoke.texi (Optimize Options): Document that LTO
3292 won't remove object access purely due to incompatible
3295 2010-04-04 Matthias Klose <doko@ubuntu.com>
3297 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3298 Initialize variable.
3300 2010-04-03 Richard Guenther <rguenther@suse.de>
3303 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3304 require a non-NULL MEM_OFFSET.
3306 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3308 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3309 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3310 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3311 config/alpha/predicates.md, config/arm/arm.md,
3312 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3313 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3314 config/darwin9.h, config/darwin.c, config/darwin.h,
3315 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3316 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3317 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3318 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3319 config/mips/mips.md, config/mn10300/mn10300.c,
3320 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3321 config/rs6000/aix.h, config/rs6000/dfp.md,
3322 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3323 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3324 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3325 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3326 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3327 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3328 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3329 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3330 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3331 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3332 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3333 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3334 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3335 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3336 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3337 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3338 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3339 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3340 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3341 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3342 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3343 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3344 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3345 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3346 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3347 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3348 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3349 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3350 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3351 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3352 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3353 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3354 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3355 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3356 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3357 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3359 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3362 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3363 * aclocal.m4: Regenerate.
3365 2010-04-02 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/43629
3368 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3369 if we have seen a constant value.
3371 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3373 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3375 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3378 * arm.c (legitimize_tls_address): Adjust call to
3379 gen_tls_load_dot_plus_four.
3380 (arm_note_pic_base): New function.
3381 (arm_cannot_copy_insn_p): Use it.
3382 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3385 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3390 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3392 * Makefile.in ($(out_object_file)): Depend on
3393 gt-$(basename $(notdir $(out_file))).h.
3395 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3397 * config.gcc (lm32-*-rtems*): Add t-lm32.
3399 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3401 * config.gcc: Add lm32-*-rtems*.
3402 * config/lm32/rtems.h: New file.
3404 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3407 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3409 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3411 * dwarf2out.c (output_compilation_unit_header): For
3412 -gdwarf-4 use version 4 instead of version 3.
3413 (output_line_info): For version 4 and above emit additional
3414 maximum ops per insn header field.
3415 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3417 * dwarf2out.c (is_c_family, is_java): Remove.
3418 (lower_bound_default): New function.
3419 (add_bound_info, gen_descr_array_type_die): Use it.
3421 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3424 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3425 re-declaration when it happens in a function.
3427 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3429 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3430 (cgraph_remove_function_insertion_hook): Same.
3431 (cgraph_call_function_insertion_hooks): Same.
3433 2010-04-01 Richard Guenther <rguenther@suse.de>
3436 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3437 and TREE_THIS_VOLATILE.
3438 (copy_ref_info): Likewise.
3439 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3440 * tree.c (build6_stat): Ignore side-effects of all but arg5
3441 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3444 2010-04-01 Richard Guenther <rguenther@suse.de>
3446 PR tree-optimization/43607
3447 * ipa-type-escape.c (check_call): Do not access non-existing
3450 2010-04-01 Richard Guenther <rguenther@suse.de>
3454 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3455 Jack Howarth <howarth@bromo.med.uc.edu>
3457 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3460 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3462 * doc/install.texi (Prerequisites): Document libelf usability on
3463 IRIX 5/6 and Solaris 2.
3464 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3465 Update GNU as, GNU ld requirements.
3466 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3467 Document Sun Studio compiler download.
3468 Update and simplify as, ld recommendations.
3469 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3471 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3473 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3474 with_tune_32 to pentium4.
3476 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3478 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3480 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3482 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3483 obsoletion, removal.
3485 Document GNU as requirement.
3486 Update configure requirements.
3487 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3488 Recomment IRIX 6.5.18+.
3489 Document IDF/IDL requirement.
3490 Document GNU as requirement.
3491 Document GNU ld bootstrap failure.
3492 Remove freeware.sgi.com reference.
3494 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3496 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3497 UNIX V4.0, V5.0 obsoletion, removal.
3498 Remove --with-gc=simple reference.
3499 Update VM requirements during bootstrap.
3500 Remove -oldas bootstrap description.
3501 Update binutils reference.
3502 Remove comparison failure note.
3504 2010-03-31 Richard Guenther <rguenther@suse.de>
3505 Zdenek Dvorak <ook@ucw.cz>
3506 Sebastian Pop <sebastian.pop@amd.com>
3509 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3510 with multiple arguments.
3511 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3513 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3515 * graphite-dependences.c (print_pddr): Call print_pdr with an
3517 * graphite-poly.c (debug_pdr): Add an extra argument for the
3520 (print_pbb_domain): Same.
3522 (print_scop_context): Same.
3524 (print_cloog): Same.
3525 (debug_pbb_domain): Same.
3529 (debug_scop_context): Same.
3531 (debug_cloog): Same.
3532 (print_scop_params): Same.
3533 (debug_scop_params): Same.
3534 (print_iteration_domain): Same.
3535 (print_iteration_domains): Same.
3536 (debug_iteration_domain): Same.
3537 (debug_iteration_domains): Same.
3538 (print_scattering_function): Same.
3539 (print_scattering_functions): Same.
3540 (debug_scattering_function): Same.
3541 (debug_scattering_functions): Same.
3542 * graphite-poly.h (debug_pdr): Update declaration.
3544 (print_pbb_domain): Same.
3546 (print_scop_context): Same.
3548 (print_cloog): Same.
3549 (debug_pbb_domain): Same.
3553 (debug_scop_context): Same.
3555 (debug_cloog): Same.
3556 (print_scop_params): Same.
3557 (debug_scop_params): Same.
3558 (print_iteration_domain): Same.
3559 (print_iteration_domains): Same.
3560 (debug_iteration_domain): Same.
3561 (debug_iteration_domains): Same.
3562 (print_scattering_function): Same.
3563 (print_scattering_functions): Same.
3564 (debug_scattering_function): Same.
3565 (debug_scattering_functions): Same.
3567 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3569 * graphite-poly.c (print_scattering_function_1): New.
3570 (print_scattering_function): Call it.
3571 (print_scop_params): Remove spaces at the end of lines.
3574 * graphite-poly.h (print_cloog): Declared.
3575 (debug_cloog): Declared.
3577 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3579 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3581 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3582 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3583 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3584 to switch between adding the IV bump in loop->latch or in loop->header.
3586 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3588 * graphite-poly.c (print_scattering_function): Pretty print following
3591 (print_pbb_domain): Same.
3592 (dump_gbb_cases): Same.
3593 (dump_gbb_conditions): Same.
3596 (print_scop_params): Same.
3597 (print_scop_context): Same.
3599 (print_pbb_body): New.
3600 (lst_indent_to): New.
3601 (print_lst): Start new lines with a #.
3602 * graphite-poly.h (pbb_bb): New.
3603 (pbb_index): Use pbb_bb.
3604 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3606 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3608 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3610 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3611 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3612 and 0 instead of 1 for dw_val_class_flag.
3613 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3614 dw_val_class_range_list, dw_val_class_loc_list,
3615 dw_val_class_lineptr and dw_val_class_macptr, use
3616 DW_FORM_flag_present for dw_val_class_flag and
3617 DW_FORM_exprloc for dw_val_class_loc.
3618 (output_die): For -gdwarf-4 print dw_val_class_loc
3619 size as uleb128 instead of 1 or 2 bytes and don't print
3620 anything for dw_val_class_flag.
3622 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3623 instead of cselib_lookup following by tweaking locs->setting_insn.
3626 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3627 even before returning from label, setjmp call or volatile asm
3630 2010-03-31 Richard Guenther <rguenther@suse.de>
3633 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3634 temporary data on stack.
3636 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3638 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3639 (PUSHSECTION_ASM_OP): Remove.
3640 (POPSECTION_ASM_OP): Remove.
3641 (PUSHSECTION_FORMAT): Remove.
3642 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3643 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3644 * config/sol2.c (solaris_output_init_fini): Use it.
3646 2010-03-31 Jie Zhang <jie@codesourcery.com>
3649 * opt-functions.awk (var_type_struct): Use signed char type
3650 for simple variables.
3652 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3654 * config/sol2.c: Include output.h.
3655 (solaris_assemble_visibility): New function.
3656 * config/t-sol2 (sol2.o): Add output.h dependency.
3657 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3658 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3661 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3664 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3665 V2SImode or XFmode on PRE_DEC.
3668 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3671 2010-03-31 Jie Zhang <jie@codesourcery.com>
3674 * reload.h (caller_save_initialized_p): Declare.
3675 * toplev.c (backend_init_target): Don't call
3676 init_caller_save but set caller_save_initialized_p to false.
3677 * caller-save.c (caller_save_initialized_p): Define.
3678 (init_caller_save): Check caller_save_initialized_p.
3679 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3681 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3684 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3685 and soft-fp/t-softfp to tmake_file.
3686 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3687 (LIBGCC2_TF_CEXT): Define.
3690 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3693 * cselib.c (n_useless_values): Document handling of debug locs.
3694 (n_useless_debug_values, n_debug_values): New variables.
3695 (new_elt_loc_list): Don't add to debug values, keep count.
3696 (promote_debug_loc): New.
3697 (cselib_reset_table): Zero new variables.
3698 (entry_and_rtx_equal_p): Promote debug locs.
3699 (discard_useless_locs): Increment n_useless_debug_values for
3701 (remove_useless_values): Adjust n_useless_values and n_debug_values
3702 with n_useless_debug_values.
3703 (add_mem_for_addr): Promote debug locs.
3704 (cselib_lookup_mem): Likewise.
3705 (cselib_lookup_addr): Renamed to...
3706 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3707 (cselib_log_lookup): ... this. Turn into...
3708 (cselib_lookup_addr): ... new wrapper.
3709 (cselib_lookup_from_insn): New.
3710 (cselib_invalidate_regno): Increment n_useless_debug_values for
3712 (cselib_invalidate_mem): Likewise.
3713 (cselib_process_insn): Take n_deleted and n_debug_values into
3714 account to guard remove_useless_value call.
3715 (cselib_finish): Zero n_useless_debug_values.
3716 * cselib.h (cselib_lookup_from_insn): Declare.
3717 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3718 (sched_analyze_2): Likewise.
3720 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3722 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3724 (adjust_mems): Replace narrowing SUBREG of expression containing
3725 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3726 with operations in the narrower mode.
3729 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3730 regs_invalidated_by_call instead all call_used_reg_set registers.
3732 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3735 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3736 pointer comparisons with types_compatible_p.
3737 * tree-vect-stmts.c (vectorizable_call): Same.
3738 (vectorizable_condition): Same.
3740 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3742 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3743 stack check if the mask would be zero.
3745 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3746 Jack Howarth <howarth@bromo.med.uc.edu>
3748 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3751 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3754 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3756 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3757 Include ___unordxf2 and ___unordtf2.
3758 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3761 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3763 * config/lm32/t-lm32: New file.
3764 * config.gcc: Use the above file when targetting lm32.
3766 2010-03-28 Duncan Sands <baldrick@free.fr>
3768 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3770 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3773 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3774 Improve vectorization cost model diagnostic.
3776 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3779 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3780 compute_data_dependences_for_loop returns false, early exit
3781 and output an extra diagnostic for the failed data reference
3784 2010-03-29 Richard Guenther <rguenther@suse.de>
3786 PR tree-optimization/43560
3787 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3788 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3790 2010-03-29 Jie Zhang <jie@codesourcery.com>
3793 * toplev.c (process_options): Set optimization_default_node
3794 and optimization_current_node.
3795 * opts.c (decode_options): Don't set optimization_default_node
3796 and optimization_current_node.
3798 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3800 * config/rtems.h: Abandon -qrtems_debug.
3802 2010-03-28 Jan Hubicka <jh@suse.cz>
3804 PR tree-optimization/43505
3805 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3806 map should not be copied.
3808 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3811 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3812 cdtors, set DECL_PRESERVE_P.
3813 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3816 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3818 PR tree-optimization/43528
3819 * stor-layout.c (place_field): Check that constant fits into
3820 unsigned HWI when skipping calculation of MS bitfield layout.
3822 2010-03-27 Jan Hubicka <jh@suse.cz>
3825 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3826 notice_global_symbol work.
3828 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3830 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3831 instead of dwarf2out_decl.
3832 (struct var_loc_node): Remove section_label field.
3833 (dwarf2out_function_decl): New function.
3834 (dwarf2out_var_location): Don't set section_label field.
3835 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3837 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3839 PR tree-optimization/43544
3840 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3841 First argument for builtin vectorized function hook is now a
3842 tree to be able to distinguish between machine specific and
3844 * targhooks.c (default_builtin_vectorized_function): Ditto.
3845 * targhooks.h (default_builtin_vectorized_function): Ditto.
3846 * target.h (struct gcc_target): Ditto.
3847 * tree-vect-stmts.c (vectorizable_function): Ditto.
3848 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3849 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3852 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3855 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3856 nested binding iff it is a FUNCTION_DECL.
3857 (store_parm_decls_newstyle): Pass nested=true to bind for
3858 FUNCTION_DECLs amongst parameters.
3860 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3862 * var-tracking.c (vt_expand_loc_callback): Don't run
3863 cselib_expand_value_rtx_cb in dummy mode if
3864 cselib_dummy_expand_value_rtx_cb returned false.
3866 * var-tracking.c (emit_note_insn_var_location): For one part
3867 notes with offset 0, don't add EXPR_LIST around the location.
3868 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3869 add_location_or_const_value_attribute): Adjust for that change.
3872 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3873 into first operand and location into second.
3874 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3875 dw_cfi_oprnd_loc for DW_CFA_expression.
3876 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3877 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3878 assume first argument is regnum and second argument is location.
3880 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3883 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3884 of scratch register to DImode. Split to DImode comparison operator.
3885 Use SImode subreg of scratch register in the multiplication.
3886 (*cmp_sadd_sidi): Ditto.
3887 (*cmp_ssub_si): Ditto.
3888 (*cmp_ssub_sidi): Ditto.
3890 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3893 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3894 Remove invalid assert and wrong comment.
3896 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3899 * flags.h (final_insns_dump_p): New extern.
3900 * final.c (final_insns_dump_p): New variable.
3901 (rest_of_clean_state): Set it before -fdump-final-insns=
3902 dumping, clear afterwards.
3903 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3904 MEM_ALIAS_SET on MEMs.
3906 2010-03-26 David S. Miller <davem@davemloft.net>
3908 * configure.ac: Fix sparc GOTDATA_OP bug check.
3909 * configure: Rebuild.
3911 2010-03-26 Alan Modra <amodra@gmail.com>
3913 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3915 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3917 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3918 TLS_SECTION_ASM_FLAG.
3920 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3923 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3924 Clear first_function_block_is_cold.
3927 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3928 argument if the argument is truth_value_p.
3930 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3932 * config/rs6000/constraints.md: Update copyright year for my changes.
3935 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3936 used in reg+reg addressing, swap registers.
3938 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3941 * target.h (struct gcc_target): Add code_end hook.
3942 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3944 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3945 * toplev.c (compile_file): Call targetm.asm_out.code_end
3946 hook before unwind info/debug info output.
3947 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3948 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3949 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3950 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3951 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3952 * config/i386/i386.c (ix86_file_end): Renamed to...
3953 (ix86_code_end): ... this. Make static. Don't call
3954 file_end_indicate_exec_stack. Emit unwind info using
3955 final_start_function/final_end_function.
3956 (darwin_x86_file_end): Remove.
3957 (TARGET_ASM_CODE_END): Define.
3958 * config/i386/i386.h (TARGET_ASM_FILE_END,
3959 NEED_INDICATE_EXEC_STACK): Don't define.
3960 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3961 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3962 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3963 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3966 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3967 at the beginning and final_end_function at the end.
3968 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3970 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3972 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3973 and Sun as TLS syntax.
3974 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3975 * configure: Regenerate.
3976 * config.in: Regenerate.
3977 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3978 (default_elf_asm_named_section): Use it.
3979 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3980 (i386_output_dwarf_dtprel): Likewise.
3981 (output_addr_const_extra): Likewise.
3982 (output_pic_addr_const): Lowercase @GOTTPOFF.
3983 (output_addr_const_extra): Likewise.
3984 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3985 (output_addr_const_extra): Likewise.
3986 (output_pic_addr_const): Lowercase @INDNTPOFF.
3987 (output_addr_const_extra): Likewise.
3988 (output_pic_addr_const): Lowercase @NTPOFF.
3989 (output_addr_const_extra): Likewise.
3990 (output_pic_addr_const): Lowercase @TPOFF.
3991 (output_addr_const_extra): Likewise.
3992 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3993 (*tls_global_dynamic_64): Likewise.
3994 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3995 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3997 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3998 (ASM_OUTPUT_TLS_COMMON): Use it.
3999 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4002 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4003 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4004 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4005 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4006 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4007 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4009 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4011 * config/i386/i386.c (override_options): Don't accept
4012 -mtls-dialect=sun any longer.
4013 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4014 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4015 (*tls_local_dynamic_base_32_sun): Likewise.
4016 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4018 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4021 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4022 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4025 * ira.c (adjust_cleared_regs): New function.
4026 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4030 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4032 * expr.c (expand_expr_real): Restore previous
4033 curr_insn_source_location and curr_insn_block after
4034 expand_expr_real_1 call.
4035 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4036 instead of expand_expr_real_1.
4038 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4040 PR rtl-optimization/43413
4041 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4044 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4047 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4048 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4050 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4052 * config/i386/i386.c (ix86_target_string): Add -mfma.
4053 Fix a typo in comment.
4055 2010-03-22 Mike Stump <mikestump@comcast.net>
4058 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4059 Don't overly align based upon packed packed fields.
4061 2010-03-22 Jason Merrill <jason@redhat.com>
4063 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4064 Use () rather than [], and move before the element type.
4066 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4068 * doc/configfiles.texi (Configuration Files): Removed
4069 fixinc/Makefile*, intl/Makefile.*.
4070 * doc/makefile.texi: Fixed markup. Abstract from version
4071 control system used.
4072 (Makefile): Removed obsolete gcc/java/parse.y example.
4073 * doc/sourcebuild.texi: Likewise.
4074 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4075 libgomp, libssp. Removed fastjar.
4076 (Miscellaneous Docs): Clarify location.
4077 Added COPYING3, COPYING3.LIB.
4078 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4080 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4083 * config/i386/i386.c (x86_function_profiler)
4084 [!NO_PROFILE_COUNTERS]: Fix typo.
4085 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4088 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4089 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4091 * doc/sourcebuild.texi (Test Directives): Split into six
4092 subsections, with most of the current text in new subsections
4093 Directives, Selectors, and Final Actions.
4094 (Directives): Split list of test directives into multiple
4096 (Selectors): Describe use and syntax of selectors.
4097 (Effective-Target Keywords): Describe all existing keywords.
4098 (Add Options): Describe features for dg-add-options.
4099 (Require Support): Describe variants of dg-require-support.
4100 (Final Actions): Describe commands to use in dg-final.
4102 2010-03-22 Michael Matz <matz@suse.de>
4105 * recog.c (validate_replace_rtx_group): Replace also in
4106 REG_EQUAL and REG_EQUIV notes.
4108 2010-03-22 Richard Guenther <rguenther@suse.de>
4110 PR tree-optimization/43390
4111 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4112 sure vector extracts are type correct.
4114 2010-03-22 Richard Guenther <rguenther@suse.de>
4117 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4118 x * sqrt (x) even when optimizing for size if the target
4119 has native support for sqrt.
4121 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4123 * varasm.c (make_decl_rtl_for_debug): Also clear
4124 flag_mudflap for the duration of make_decl_rtl call.
4127 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4128 locs from preserved VALUEs.
4130 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4133 * pa.md (movmemsi): Set align to one if zero.
4134 (movmemdi): Likewise.
4136 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4139 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4140 with their corresponding prologue pushes.
4142 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4145 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4146 at the begining or end.
4147 (spu_expand_epilogue): Likewise.
4149 2010-03-20 Richard Guenther <rguenther@suse.de>
4151 PR rtl-optimization/43438
4152 * combine.c (make_extraction): Properly zero-/sign-extend an
4153 extraction of the low part of a CONST_INT. Also handle
4156 2010-03-19 Mike Stump <mikestump@comcast.net>
4158 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4159 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4160 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4162 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4165 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4168 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4170 PR rtl-optimization/42258
4171 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4172 use that may match DEF.
4175 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4176 the cost of loading the constant rather than assuming
4178 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4179 outer code is AND, do the same tests as the andsi3 expander and
4180 return COSTS_N_INSNS (1) if and is cheap.
4182 * optabs.c (avoid_expensive_constant): Fix formatting.
4184 2010-03-19 Michael Matz <matz@suse.de>
4187 * attribs.c (decl_attributes): When rebuilding a function pointer
4188 type use the same qualifiers as the original pointer type.
4190 2010-03-19 Martin Jambor <mjambor@suse.cz>
4192 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4193 and is_gimple_ip_invariant_address.
4195 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4198 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4200 * config/arm/arm.c (arm_override_options): Turn off
4201 flag_dwarf2_cfi_asm for AAPCS variants.
4203 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4206 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4207 Use PRE_MODIFY instead of PRE_DEC.
4208 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4209 (vfp_emit_fstmd): Likewise.
4211 2010-03-19 Michael Matz <matz@suse.de>
4214 * builtins.c (expand_builtin_interclass_mathfn,
4215 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4218 2010-03-19 Richard Guenther <rguenther@suse.de>
4220 PR tree-optimization/43415
4221 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4222 (phi_translate_1): ... this.
4223 (phi_translate): Move all caching here. Cache all NARY
4224 and REFERENCE translations.
4226 2010-03-19 David S. Miller <davem@davemloft.net>
4228 With help from Eric Botcazou.
4229 * config/sparc/sparc.c: Include dwarf2out.h.
4230 (emit_pic_helper): Delete.
4231 (pic_helper_symbol_name): Delete.
4232 (pic_helper_emitted_p): Delete.
4233 (pic_helper_needed): New.
4234 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4235 (get_pc_thunk_name): New.
4236 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4237 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4238 Set pic_helper_needed to true. Don't call emit_pic_helper.
4239 (sparc_expand_prologue): Update load_pic_register call.
4240 (sparc_output_mi_thunk): Likewise.
4241 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4242 thunk if possible. Output CFI information as needed.
4244 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4245 Jack Howarth <howarth@bromo.med.uc.edu>
4248 * config/i386/i386.h: Fix ABI on darwin x86-32.
4250 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4252 * tree.h: Declare make_decl_rtl_for_debug.
4253 * varasm.c (make_decl_rtl_for_debug): New.
4254 * dwarf2out.c (rtl_for_decl_location): Call it.
4255 * cfgexpand.c (expand_debug_expr): Call it.
4257 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4260 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4264 * var-tracking.c (vt_init_cfa_base): Do nothing if
4265 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4267 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4270 * var-tracking.c (canonicalize_vars_star): New.
4271 (dataflow_post_merge_adjust): Use it.
4273 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4276 * var-tracking.c (non_suitable_const): New function.
4277 (add_uses): For DEBUG_INSNs with constants, don't record any
4278 value, instead just the constant value itself.
4279 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4280 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4281 (emit_notes_in_bb): Likewise.
4282 (emit_note_insn_var_location): For onepart variables if
4283 cur_loc is a VOIDmode constant, use DECL_MODE.
4285 2010-03-18 Martin Jambor <mjambor@suse.cz>
4288 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4289 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4290 all non-clones. Moved call redirection...
4291 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4292 (cgraph_materialize_all_clones): Dispose of all
4293 combined_args_to_skip bitmaps.
4294 (verify_cgraph_node): Do not check for edges pointing to wrong
4295 nodes in inline clones.
4296 * tree-inline.c (copy_bb): Call
4297 cgraph_redirect_edge_call_stmt_to_callee.
4298 * ipa.c (cgraph_remove_unreachable_nodes): Call
4299 cgraph_node_remove_callees even when there are used clones.
4301 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4303 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4305 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4308 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4311 2010-03-18 Michael Matz <matz@suse.de>
4314 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4315 into sqrt(x) if we need to preserve signed zeros.
4317 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4318 Eric Botcazou <ebotcazou@adacore.com>
4320 PR rtl-optimization/43360
4321 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4322 note if we don't know its invariant status.
4324 2010-03-18 Michael Matz <matz@suse.de>
4326 PR tree-optimization/43402
4327 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4328 PHI chains of ssa names registered for update.
4330 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4333 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4334 non-offsettable and pre_modify update addressing.
4335 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4336 and "2" alternatives "#".
4337 (*movdd_softfloat32): Make all alternatives "#";
4338 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4339 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4340 (*movdf_softfloat32): Make all alternatives "#";
4341 (movdi): Use the new DIFD mode iterator to create a common splitter
4342 for movdi, movdf and movdd patterns.
4344 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4346 * common.opt (dumpdir): Remove redundant tab.
4348 2010-03-17 Martin Jambor <mjambor@suse.cz>
4350 PR tree-optimization/43347
4351 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4352 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4354 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4356 PR rtl-optimization/42216
4357 * regrename.c (create_new_chain): New function, broken out from...
4358 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4359 appending a use to an empty chain.
4360 (build_def_use): Remove previous changes that convert OP_INOUT to
4361 OP_OUT operands; instead detect the case where an OP_INOUT operand
4362 uses a previously untracked register and create an empty chain for it.
4364 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4366 * doc/extend.texi (Function Attributes): Rewrite unfinished
4367 sentence in ms_abi documentation.
4369 2010-03-17 Alan Modra <amodra@gmail.com>
4371 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4372 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4373 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4374 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4376 2010-03-16 Richard Henderson <rth@redhat.com>
4379 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4380 (lower_try_finally): Save and restore eh_seq around the expansion
4383 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4385 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4386 statements before splitting block.
4388 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4390 * doc/sourcebuild.texi (Testsuites): Fix markup.
4391 Use pathnames relative to gcc/testsuite.
4392 (Test Directives): Move description of how timeout is determined.
4393 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4394 (C Tests): Correct gcc.misc-tests directory.
4395 Framework tests now live in gcc.test-framework.
4397 2010-03-16 Richard Guenther <rguenther@suse.de>
4400 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4401 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4403 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4404 Alexandre Oliva <aoliva@redhat.com>
4406 PR tree-optimization/42917
4407 * lambda-code.c (remove_iv): Skip debug statements.
4408 (lambda_loopnest_to_gcc_loopnest): Likewise.
4409 (not_interesting_stmt): Debug statements are not interesting.
4411 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4415 * cselib.c (cselib_preserve_constants,
4416 cfa_base_preserved_val): New static variables.
4417 (preserve_only_constants): New function.
4418 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4419 clear its REG_VALUES. If cselib_preserve_constants, don't
4420 empty the whole hash table, but preserve there VALUEs with constants,
4421 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4422 (cselib_preserve_cfa_base_value): New function.
4423 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4424 (cselib_init): Change argument to int bitfield. Set
4425 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4427 (cselib_finish): Clear cselib_preserve_constants and
4428 cfa_base_preserved_val.
4429 * cselib.h (enum cselib_record_what): New enum.
4430 (cselib_init): Change argument to int.
4431 (cselib_preserve_cfa_base_value): New prototype.
4432 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4433 * dse.c (dse_step1): Likewise.
4434 * cfgcleanup.c (thread_jump): Likewise.
4435 * sched-deps.c (sched_analyze): Likewise.
4436 * gcse.c (local_cprop_pass): Likewise.
4437 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4438 If FN is non-NULL, call the callback always and whenever it returns
4439 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4440 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4441 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4442 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4443 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4444 * var-tracking.c: Include recog.h.
4445 (bb_stack_adjust_offset): Remove.
4446 (vt_stack_adjustments): Don't call it, instead just gather the
4447 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4448 (adjust_stack_reference): Remove.
4449 (compute_cfa_pointer): New function.
4450 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4451 (struct adjust_mem_data): New type.
4452 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4454 (get_address_mode): New function.
4455 (replace_expr_with_values): Use it.
4456 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4457 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4458 (adjust_sets): Remove.
4459 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4460 Use get_address_mode.
4461 (get_adjusted_src): Remove.
4462 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4463 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4464 (add_with_sets): Don't call adjust_sets.
4465 (fp_setter, vt_init_cfa_base): New functions.
4466 (vt_initialize): Change return type to bool. Move most of pool etc.
4467 initialization to the beginning of the function from end. Pass
4468 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4469 If !frame_pointer_needed, call vt_stack_adjustment before mos
4470 vector is filled, call vt_init_cfa_base if argp/framep has been
4471 eliminated to sp. If frame_pointer_needed and argp/framep has
4472 been eliminated to hard frame pointer, set
4473 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4474 encountering fp setter in the prologue. For MO_ADJUST, call
4475 log_op_type before pusing the op into mos vector, not afterwards.
4476 Call adjust_insn before cselib_process_insn/add_with_sets,
4477 call cancel_changes (0) afterwards.
4478 (variable_tracking_main_1): Adjust for vt_initialize calling
4479 vt_stack_adjustments and returning whether it succeeded or not.
4481 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4483 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4486 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4488 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4490 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4491 drap_reg has not been set.
4493 2010-03-15 Michael Matz <matz@suse.de>
4496 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4497 use it to expand block copies.
4498 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4499 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4500 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4502 2010-03-15 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/43367
4505 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4508 2010-03-15 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/43317
4511 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4513 2010-03-15 Martin Jambor <mjambor@suse.cz>
4515 PR tree-optimization/43141
4516 * tree-sra.c (create_abstract_origin): New function.
4517 (modify_function): Call create_abstract_origin.
4519 2010-03-15 Chris Demetriou <cgd@google.com>
4521 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4524 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4527 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4528 call insert_out_of_ssa_copy for default definitions.
4530 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4532 * graphite-clast-to-gimple.c (my_long_long): Defined.
4533 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4534 * graphite-sese-to-poly.c (my_long_long): Defined.
4535 (scop_ivs_can_be_represented): Use it.
4537 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4539 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4540 graphite-max-bbs-per-function, and loop-block-tile-size.
4541 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4543 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4545 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4547 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4548 forward declaration.
4549 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4550 (add_upper_bounds_from_estimated_nit): New.
4551 (build_loop_iteration_domains): Use it.
4553 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4555 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4557 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4560 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4561 should be an INTEGER_CST. Also handle CASE_CONVERT.
4563 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4565 * graphite.c (graphite_initialize): To bound the number of bbs per
4566 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4567 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4568 * doc/invoke.texi: Document it.
4570 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4572 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4573 * graphite-sese-to-poly.h (build_poly_scop): Same.
4575 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4577 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4578 the number of parameters in the scop. Use as an upper bound
4579 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4580 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4581 * doc/invoke.texi: Document it.
4583 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4585 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4586 * doc/c-tree.texi: Remove.
4587 * doc/generic.texi: Merge c-tree.texi here.
4588 * doc/gccint.texi (Trees): Remove menu entry.
4589 (c-tree.texi): Remove @include.
4590 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4591 * doc/languages.texi (Reading RTL): Ditto.
4593 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4596 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4598 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4601 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4602 code added to work around reload clobbering CONST insns.
4604 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4606 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4607 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4608 (cselib_preserve_only_values): Remove retain argument, don't
4609 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4610 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4611 * var-tracking.c (micro_operation): Move insn field before union.
4612 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4613 (struct variable_tracking_info_def): Remove n_mos field, change
4614 mos into a vector of micro_operations.
4615 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4616 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4617 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4618 changing into a vector.
4619 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4620 come before all other uops generated by add_stores.
4621 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4623 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4624 a vector. Run just one pass over the bbs instead of separate counting
4625 and computation phase.
4626 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4629 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4630 into *nonlocalized_list vector.
4631 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4632 even if origin is non-NULL.
4633 (gen_variable_die): Likewise.
4634 (process_scope_var): Don't change origin.
4635 (gen_decl_die): Likewise.
4636 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4637 before adding new edges instead of after it, fix moving over
4640 2010-03-11 David S. Miller <davem@davemloft.net>
4642 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4644 * configure: Rebuild.
4646 2010-03-11 Martin Jambor <mjambor@suse.cz>
4648 PR tree-optimization/43257
4649 * tree.c (assign_assembler_name_if_neeeded): New function.
4650 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4652 * tree.h (assign_assembler_name_if_neeeded): Declare.
4653 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4654 the function if needed.
4656 2010-03-11 Chris Demetriou <cgd@google.com>
4658 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4659 include/stdint-gcc.h, and include/stdint.h world-readable.
4661 2010-03-11 Richard Guenther <rguenther@suse.de>
4663 PR tree-optimization/43255
4664 * tree-vrp.c (process_assert_insertions_for): Do not insert
4665 asserts for trivial conditions.
4667 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4669 PR tree-optimization/43280
4670 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4671 generation. Move calculation of size out of the if branch.
4672 (find_bswap): Modify compare number generation.
4674 2010-03-11 Richard Guenther <rguenther@suse.de>
4677 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4678 (input_gimple_stmt): Fixup handled component types during
4679 operand read. Also fix up decls in ADDR_EXPRs.
4681 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4683 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4684 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4686 2010-03-10 Jan Hubicka <jh@suse.cz>
4689 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4690 * varasm.c (get_variable_section): Don't do that here...
4691 (make_decl_rtl): ... and here.
4692 (do_assemble_alias): Produce decl RTL.
4693 (assemble_alias): Likewise.
4695 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4698 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4699 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4701 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4702 (based_loc_descr): Only express drap or vdrap regno based expressions
4703 using DW_OP_fbreg when not optimizing.
4704 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4705 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4706 REG_CFA_SET_VDRAP note.
4708 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4710 PR tree-optimization/43236
4711 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4712 error in calculation of base address in reverse iteration case.
4713 (generate_builtin): Take number of latch executions if the statement
4716 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4719 * tree-eh.c: Include pointer-set.h.
4720 (lower_eh_dispatch): Filter out duplicate case labels and
4721 remove the unneeded edge when the label is unused. Return
4722 true when some edges are removed.
4723 (execute_lower_eh_dispatch): When any lowering resulted in
4724 removing an edge, also delete unreachable blocks.
4726 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4729 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4730 UNSPEC_MACHOPIC_OFFSET.
4732 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4735 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4736 (m68k_delegitimize_address): New function.
4738 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4741 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4744 * var-tracking.c (adjust_sets): New function.
4745 (count_with_sets, add_with_sets): Use it.
4746 (get_adjusted_src): New inline function.
4747 (add_stores): Use it.
4750 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4751 call cselib_dummy_expand_value_rtx_cb instead of
4752 cselib_expand_value_rtx_cb.
4755 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4756 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4757 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4758 and .cfi_endproc around the pic thunks.
4759 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4760 all queued unwind info register saves are saved before the call.
4761 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4762 considered as sp-=4 for unwind info and the pop as sp+=4 which
4763 also clobbers dest, but doesn't actually restore it.
4766 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4767 RTX_FRAME_RELATED_P.
4769 2010-03-09 Jie Zhang <jie@codesourcery.com>
4771 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4772 whitespaces in output template.
4774 2010-03-09 Jie Zhang <jie@codesourcery.com>
4776 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4779 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4781 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4782 builtins.exp in a separate job.
4784 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4786 * graphite-sese-to-poly.c (add_param_constraints): Use
4787 lower_bound_in_type and upper_bound_in_type.
4789 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4791 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4792 instead of unsigned_type_node.
4794 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4795 Reza Yazdani <reza.yazdani@amd.com>
4798 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4799 on pointer type parameters.
4801 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4805 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4806 handle conversions from pointer to integers.
4807 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4808 induction variable, to be able to work with code generated by CLooG.
4809 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4810 (build_poly_scop): Bail out if we cannot codegen a loop.
4812 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4814 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4815 code generation with gloog_error.
4817 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4819 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4820 Call fold_convert on all the returned values.
4821 (expand_scalar_variables_expr): Pass to
4822 expand_scalar_variables_ssa_name the type of the resulting expression.
4824 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4826 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4827 ppl_min_for_le_pointset.
4828 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4829 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4831 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4833 * graphite-dependences.c (map_into_dep_poly): Removed.
4834 (dependence_polyhedron_1): Use combine_context_id_scat.
4836 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4838 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4839 (struct poly_bb): Same.
4840 (combine_context_id_scat): New.
4842 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4845 * sese.c (name_defined_in_loop_p): Return false for default
4848 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4850 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4851 and clean up the logic.
4853 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4855 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4858 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4860 * var-tracking.c (remove_cselib_value_chains): Define only for
4862 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4863 delete_slot_part, emit_notes_for_differences_1): Don't call
4864 remove_cselib_value_chains here.
4865 (set_slot_part, emit_notes_for_differences_2): Don't call
4866 add_cselib_value_chains here.
4867 (preserved_values): New vector.
4868 (preserve_value): New function.
4869 (add_uses, add_stores, vt_add_function_parameters): Use it
4870 instead of cselib_preserve_value.
4871 (changed_values_stack): New vector.
4872 (check_changed_vars_0): New function.
4873 (check_changed_vars_1, check_changed_vars_2): Use it.
4874 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4875 changed_values_stack VALUEs.
4876 (vt_emit_notes): For all preserved_values call
4877 add_cselib_value_chains. If ENABLE_CHECKING call
4878 remove_cselib_value_chains before verifying value_chains is empty.
4879 Initialize and free changed_values_stack.
4880 (vt_initialize): Initialize preserved_values.
4881 (vt_finalize): Free preserved_values.
4883 2010-03-08 Richard Guenther <rguenther@suse.de>
4885 PR tree-optimization/43269
4886 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4889 2010-03-08 Martin Jambor <mjambor@suse.cz>
4891 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4892 (ipa_is_param_called): Removed.
4893 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4894 (ipa_print_node_params): Do not print the called flag.
4895 (ipa_write_node_info): Do not stream the called flag.
4896 (ipa_read_node_info): Likewise.
4898 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4901 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4902 * cselib.c (struct expand_value_data): Add dummy field.
4903 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4905 (cselib_dummy_expand_value_rtx_cb): New function.
4906 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4908 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4909 * var-tracking.c: Include pointer-set.h.
4910 (variable): Change n_var_parts to char from int. Add
4911 cur_loc_changed and in_changed_variables fields.
4912 (variable_canonicalize): Remove.
4913 (shared_var_p): New inline function.
4914 (unshare_variable): Maintain cur_loc_changed and
4915 in_changed_variables fields. If var was in changed_variables,
4916 replace it there with new_var. Just copy cur_loc instead of
4917 resetting it to something else.
4918 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4919 (dataflow_set_union): Don't call variable_canonicalize.
4920 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4921 of their DEBUG_EXPR_TREE_DECLs.
4922 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4923 and in_changed_variables and cur_loc_changed is false.
4924 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4925 and cur_loc_changed. Don't update cur_loc here.
4926 (variable_merge_over_src): Don't call variable_canonicalize.
4927 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4928 removing loc that is equal to cur_loc, clear cur_loc,
4929 set cur_loc_changed and ensure variable_was_changed is called.
4930 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4931 compare pointers in cur_loc check, if it is equal to loc,
4932 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4933 (variable_different_p): Remove compare_current_location argument,
4934 don't compare cur_loc.
4935 (dataflow_set_different_1): Adjust variable_different_p caller.
4936 (variable_was_changed): If dv had some var in changed_variables
4937 already, reset in_changed_variables flag for it and propagate
4938 cur_loc_changed over to the new variable. On empty var
4939 always set cur_loc_changed. Set in_changed_variables on whatever
4940 var is added to changed_variables.
4941 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4942 Use shared_var_p. When removing loc that is equal to cur_loc,
4943 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4944 end, don't set it to something else, just call variable_was_changed.
4945 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4946 loc being removed, clear cur_loc and set cur_loc_changed.
4947 Set cur_loc_changed if all locations have been removed.
4948 (struct expand_loc_callback_data): New type.
4949 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4950 allocated. Always create SUBREGs if simplify_subreg failed.
4951 Prefer to use cur_loc, when that fails and still in
4952 changed_variables (and seen first time) recompute it. Set
4953 cur_loc_changed of variables which had to change cur_loc and
4954 compute elcd->cur_loc_changed if any of the subexpressions used
4955 had to change cur_loc.
4956 (vt_expand_loc): Adjust to pass arguments in
4957 expand_loc_callback_data structure.
4958 (vt_expand_loc_dummy): New function.
4959 (emitted_notes): New variable.
4960 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4961 that weren't used for any other decl in current
4962 emit_notes_for_changes call call vt_expand_loc_dummy to update
4963 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4964 first loc_chain location if NULL before. Always use just
4965 cur_loc instead of first loc_chain location. When cur_loc_changed
4966 is false, when not --enable-checking=rtl just don't emit any note.
4967 When rtl checking, compute the note and assert it is the same
4968 as previous note. Clear cur_loc_changed and in_changed_variables
4969 at the end before removing from changed_variables.
4970 (check_changed_vars_3): New function.
4971 (emit_notes_for_changes): Traverse changed_vars to call
4972 check_changed_vars_3 on each changed var.
4973 (emit_notes_for_differences_1): Clear cur_loc_changed and
4974 in_changed_variables. Recompute cur_loc of new_var.
4975 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4976 (vt_emit_notes): Initialize and destroy emitted_notes.
4978 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4980 PR rtl-optimization/42220
4981 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4982 Use verify_reg_tracked to determine if we should use OP_OUT rather
4984 (build_def_use): If we see an in-out operand for a register that we
4985 know nothing about, treat is an output if possible, fail the block if
4988 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4991 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4994 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4997 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4998 uses of relevant DEFs that are dead outside the loop too.
5000 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5002 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5004 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5006 * var-tracking.c (values_to_unmark): New variable.
5007 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5008 values_to_unmark vector. Moved body to...
5009 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5010 instead queue it into values_to_unmark vector.
5011 (vt_find_locations): Free values_to_unmark vector.
5013 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5015 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5016 (site.exp): Export them when plugins are enabled.
5018 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5021 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5023 (chrec_fold_multiply): Same.
5025 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5028 * c-decl.c (build_compound_literal): Return early if init is
5031 2010-03-04 Martin Jambor <mjambor@suse.cz>
5033 PR tree-optimization/43164
5034 PR tree-optimization/43191
5035 * tree-sra.c (type_consists_of_records_p): Reject records with
5036 zero-size bit-fields at the end.
5038 2010-03-04 Mike Stump <mikestump@comcast.net>
5040 * Makefile.in (TAGS): Remove *.y.
5042 2010-03-04 Richard Guenther <rguenther@suse.de>
5044 PR tree-optimization/40761
5045 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5047 (my_rev_post_order_compute): New function.
5048 (init_pre): Call it.
5050 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5053 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5054 decrease the cost of an IV candidate when the cost is infinite.
5056 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5058 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5059 Use '3DNow!' for the extension of that name, ensure normal space
5061 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5063 2010-03-03 Jeff Law <law@redhat.com>
5065 * PR middle-end/32693
5066 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5067 than gen_rtx_SUBREG.
5068 (extract_bit_field_1): Likewise.
5070 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5072 * doc/sourcebuild.texi (Test directives): Document that arguments
5073 include-opts and exclude-opts are now optional for dg-skip-if,
5074 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5076 2010-03-03 Jason Merrill <jason@redhat.com>
5079 * cgraph.h (varpool_node): Add extra_name field.
5080 * varpool.c (varpool_extra_name_alias): New.
5081 (varpool_assemble_decl): Emit extra name aliases.
5082 (varpool_mark_needed_node): Look past an extra name alias.
5083 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5084 * lto-streamer-in.c (lto_input_tree): Read it.
5085 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5087 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5089 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5090 (sparc*-*-solaris2*): ...this.
5092 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5095 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5096 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5097 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5098 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5101 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5102 fallthrough to default handling, just with want_address 0 instead of 2.
5103 For single element lists, add_AT_loc directly, otherwise create an
5104 artificial variable DIE and stick location list to it.
5107 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5108 (VAL_EXPR_HAS_REVERSE): Define.
5109 (reverse_op): New function.
5110 (add_stores): For reversible operations add an extra MO_VAL_USE.
5112 2010-03-02 Jason Merrill <jason@redhat.com>
5114 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5116 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5118 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5119 (sparc64-*-linux*): Likewise.
5120 (sparc64-*-solaris2*): Include assembler files before linker ones.
5121 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5122 * config/sparc/gas.h: Delete.
5123 * config/sparc/sol2-64.h: Add copyright notice.
5124 * config/sparc/sol2-gas-bi.h: Likewise.
5125 * config/sparc/sol2-gld.h: Likewise.
5126 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5127 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5128 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5129 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5130 (sparc_elf_asm_named_section): Rename into...
5131 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5133 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5135 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5137 2010-03-02 Jeff Law <law@redhat.com>
5140 * reload1.c (rtx_p, substitute_stack): Declare.
5141 (substitute): Record addresses of changed rtxs.
5142 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5143 Restore the original rtx when complete.
5144 (reload): Free subsitute_stack when complete.
5146 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5148 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5149 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5151 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5152 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5153 Torture Tests): Change from subsection to section.
5155 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5156 Steven Bosscher <steven@gcc.gnu.org>
5158 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5161 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5164 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5165 the assignment from the new induction variable to the assignment
5166 of the value from the original loop PHI function.
5168 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5169 Daniel Jacobowitz <dan@codesourcery.com>
5171 * doc/sourcebuild.texi (Test directives): Clarify options to
5174 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5176 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5177 Disable cfi directives unless GCC and gas agree on using read-only
5178 .eh_frame sections for 64-bit.
5179 * configure: Regenerate.
5181 2010-03-01 Richard Guenther <rguenther@suse.de>
5183 PR tree-optimization/43220
5184 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5185 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5187 2010-03-01 Richard Guenther <rguenther@suse.de>
5188 Martin Jambor <mjambor@suse.cz>
5191 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5192 gimplified parameters.
5194 2010-03-01 Christian Bruel <christian.bruel@st.com>
5196 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5198 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5200 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5202 2010-03-01 Richard Guenther <rguenther@suse.de>
5205 * expr.c (expand_assignment): Use the alias-oracle to tell
5206 if the rhs aliases the result decl.
5208 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5211 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5212 to sol_gt_pch_get_address.
5213 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5214 64-bit, SPARC and x86.
5215 (sol_gt_pch_get_address): New function.
5217 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5219 * toplev.h (inform_n, error_n): Declare.
5220 * diagnostic.c (inform_n, error_n): New function.
5222 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5224 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5225 has no rtl yet when processing local_decls, queue it and recheck
5226 if deferred stack allocation hasn't assigned it rtl.
5228 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5230 * config/sh/sh.c (unspec_bbr_uid): New.
5231 (gen_block_redirect): Use it instead of INSN_UID.
5232 (gen_far_branch): Likewise.
5234 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5236 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5237 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5239 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5241 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5242 (Warning Options): -Wno-conversion-null is valid for
5243 Objective-C++ as well.
5244 * doc/tm.texi (Named Address Spaces): Likewise.
5245 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5246 * doc/tree-ssa.texi (Tree SSA): Likewise.
5248 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5251 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5252 by default. Don't set the default arch for
5253 i[34567]86-*-darwin*|x86_64-*-darwin*.
5255 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5258 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5259 default. Set the default 32bit/64bit archs with $with_arch
5260 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5262 2010-02-27 Richard Guenther <rguenther@suse.de>
5264 PR tree-optimization/43186
5265 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5266 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5267 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5268 unroller iterations.
5270 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5272 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5273 required and i[34567]86-*-* targets don't support 64bit ISA.
5275 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5278 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5281 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5283 * config.gcc: Set the default arch at least to Prescott for
5284 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5285 if SSE math is enabled.
5287 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5289 * diagnostic.c (diagnostic_initialize): Update.
5290 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5292 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5293 (diagnostic_inhibit_notes): New.
5294 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5296 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5299 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5300 * doc/standards.texi: Likewise.
5301 * doc/extend.texi: Likewise.
5302 * doc/trouble.texi: Likewise.
5303 * doc/cppopts.texi: Likewise.
5304 * doc/install.texi: Likewise.
5305 * c.opt (std=c90,std=gnu90): New options.
5306 * c-opts.c (c_common_handle_option): Handle them.
5308 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5311 * c-decl.c (undeclared_variable): Use an informative note.
5313 2010-02-26 Richard Guenther <rguenther@suse.de>
5315 PR tree-optimization/43186
5316 * gimple.h (gimple_fold): Remove.
5317 * gimple.c (gimple_fold): Remove. Inline into single user ...
5318 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5319 Try harder for conditions.
5321 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5324 * function.c (used_types_insert): Don't skip through named pointer
5325 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5326 and it is different from the main variant's type.
5328 2010-02-26 Nick Clifton <nickc@redhat.com>
5330 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5332 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5334 * config.gcc: Support --with-fpmath=sse for x86.
5336 * config/i386/ssemath.h: New.
5338 * doc/install.texi (--with-fpmath=sse): Documented.
5340 2010-02-26 Richard Guenther <rguenther@suse.de>
5342 PR tree-optimization/43188
5343 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5344 vector types of over-aligned element type.
5346 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5349 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5350 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5352 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5354 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5356 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5358 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5359 * var-tracking.c: Include diagnostic.h.
5360 (debug_dv): New function.
5361 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5364 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5365 (add_value_chain, add_value_chains, remove_value_chain,
5366 remove_value_chains): Handle DEBUG_EXPRs.
5367 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5370 * regcprop.c (struct queued_debug_insn_change): New type.
5371 (struct value_data_entry): Add debug_insn_changes field.
5372 (struct value_data): Add n_debug_insn_changes field.
5373 (debug_insn_changes_pool): New variable.
5374 (free_debug_insn_changes, apply_debug_insn_changes,
5375 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5376 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5377 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5379 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5381 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5382 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5383 changes, call cprop_find_used_regs via note_stores.
5384 (copyprop_hardreg_forward): When copying vd from predecessor
5385 which has any queued DEBUG_INSN changes, make sure the pointers are
5386 cleared. At the end call df_analyze and then if there are any
5387 DEBUG_INSN changes queued at the end of some basic block for still
5388 live registers, apply them.
5389 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5391 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5393 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5396 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5398 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5399 targets. Set the default with_cpu/with_arch from arch/cpu.
5400 Allow x86-64 and native for with_cpu/with_arch.
5402 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5404 * ebitmap.c: Change calls to verify_popcount with calls to
5405 sbitmap_verify_popcount.
5406 (ebitmap_clear_bit): Fixed map->cacheindex test and
5407 map>cache update when bit clearing results in an empty
5410 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5413 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5414 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5415 and support both V2DF and V2DI modes.
5416 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5417 support both V2DF and V2DI modes.
5418 (general): Delete trailing whitespace from a few patterns.
5420 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5421 V2DF/V2DI interleave high/low builtins.
5423 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5426 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5427 interleave high/low functions.
5429 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5431 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5432 #pragma extern_prefix.
5434 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5437 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5438 BLKmode, assert op0 is a MEM and just adjust its mode.
5441 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5442 if bitpos isn't multiple of mode's bitsize.
5444 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5446 * c.opt (-ftemplate-depth=): New.
5447 (-ftemplate-depth-): Deprecate.
5448 * optc-gen.awk: Handle -ftemplate-depth=.
5449 * opth-gen.awk: Likewise.
5450 * c-opts.c (c_common_handle_option): Likewise.
5451 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5453 2010-02-24 Jason Merrill <jason@redhat.com>
5455 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5457 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5459 * cfg.c (alloc_aux_for_block): Remove inline.
5460 (alloc_aux_for_edge): Likewise.
5462 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5464 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5466 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5468 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5469 * config/i386/sol2-gas.h: New file.
5470 * config.gcc (i[34567]86-*-solaris2*): Use it.
5472 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5475 * c-typeck.c (ep_convert_and_check): New.
5476 (build_conditional_expr): Use it.
5477 (build_binary_op): Likewise.
5479 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5481 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5484 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5485 bounds even for -O+.
5486 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5487 expr needs to have DECL_NAME set.
5489 2010-02-24 Nick Clifton <nickc@redhat.com>
5491 * config/mep/mep.c: Include gimple.h.
5492 (mep_function_uses_sp): Delete unused function.
5493 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5494 parameters. Use unsigned integers to count args. Return a
5495 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5497 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5500 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5501 greater or equal to nelt instead of 2 * nelt.
5502 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5505 2010-02-23 Jason Merrill <jason@redhat.com>
5508 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5509 in cfun->local_decls even if they have register types.
5512 * stor-layout.c (place_field): Don't warn about unnecessary
5513 DECL_PACKED if the type is packed.
5515 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5518 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5519 GOTOFF relocs, even when the base reg isn't pic pointer.
5521 2010-02-23 Michael Matz <matz@suse.de>
5524 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5525 (expand_gimple_basic_block): Generate and use debug temps if there
5526 are debug uses left after the last real use of TERed ssa names.
5527 Unlink debug immediate uses when they are expanded.
5529 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5532 * config/i386/i386.c (override_options): Reorganise to provide
5533 better error messages.
5535 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5538 * graphite-scop-detection.c (create_single_exit_edge): Move
5539 the call to find_single_exit_edge to....
5540 (create_sese_edges): ...here. Don't handle multiple edges
5541 exiting the function.
5542 (build_graphite_scops): Don't handle multiple edges
5543 exiting the function.
5545 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5548 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5549 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5551 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5554 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5556 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5559 * c-typeck.c (convert_arguments): Print declaration location.
5560 * c-common.c (validate_nargs): Rename as
5561 builtin_function_validate_nargs.
5562 (check_builtin_function_arguments): Update.
5564 2010-02-22 Richard Guenther <rguenther@suse.de>
5567 * tree-inline.c (declare_return_variable): Use the type of
5568 the call stmt lhs if available.
5570 2010-02-22 Duncan Sands <baldrick@free.fr>
5572 * passes.c (register_pass): Always consider all pass lists when
5573 ref_pass_instance_number is zero.
5575 2010-02-22 Richard Guenther <rguenther@suse.de>
5577 PR tree-optimization/42749
5578 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5579 parameter. Do arithmetic in the original type.
5580 (update_accumulator_with_ops): Likewise.
5581 (adjust_accumulator_values): Adjust.
5583 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5585 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5586 (QI to BLKmode splitter): New splitter.
5588 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5590 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5591 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5593 2010-02-22 Richard Guenther <rguenther@suse.de>
5595 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5597 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5599 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5600 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5601 ($(T)crti.o, $(T)crtn.o): Remove rules.
5603 2010-02-21 Tobias Burnus <burnus@net-b.de>
5606 * doc/invoke.texi (-fassociative-math): Document that this
5607 option is automatically enabled for Fortran.
5609 2010-02-20 David S. Miller <davem@davemloft.net>
5611 * configure.ac: Test if linker and assembler properly support
5612 GOTDATA_OP relocations.
5613 * configure: Rebuild.
5614 * config.in: Likewise.
5615 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5616 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5617 (movsi_high_pic): Likewise.
5618 (movdi_lo_sum_pic): Likewise.
5619 (movdi_high_pic): Likewise.
5620 (movsi_pic_gotdata_op): New pattern.
5621 (movdi_pic_gotdata_op): Likewise.
5622 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5623 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5625 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5628 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5629 attribute to ssemul.
5630 (xop_mulv2div2di3_high): Ditto.
5632 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5635 * c.opt (Wconversion-null): New option.
5636 * doc/invoke.texi (Wconversion-null): Document.
5638 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5640 * common.opt (Wlarger-than-): Add Undocumented.
5642 2010-02-19 Mike Stump <mikestump@comcast.net>
5644 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5646 2010-02-19 Jason Merrill <jason@redhat.com>
5649 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5650 * configure: Likewise.
5652 2010-02-20 Alan Modra <amodra@gmail.com>
5655 * cgraph.h (cgraph_make_decl_local): Declare.
5656 * cgraph.c (cgraph_make_decl_local): New function.
5657 (cgraph_make_node_local): Use it.
5658 * cgraphunit.c (cgraph_function_versioning): Likewise.
5659 * ipa.c (function_and_variable_visibility): Likewise.
5661 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5664 * except.c (sjlj_emit_function_enter): Don't call
5665 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5667 * rtl.h (add_reg_br_prob_note): Remove prototype.
5669 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5672 * c-common.c (conversion_warning): Remove widening conversions
5673 before checking the conversion of integers to reals.
5675 2010-02-19 Mike Stump <mikestump@comcast.net>
5678 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5681 * cgraphunit.c (process_function_and_variable_attributes): Check
5682 DECL_PRESERVE_P instead of looking up attribute "used".
5683 * ipa-pure-const.c (check_decl): Likewise.
5684 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5685 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5686 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5687 instead of attribute "used".
5688 * config/sol2-c.c (solaris_pragma_init): Likewise.
5689 (solaris_pragma_fini): Likewise.
5691 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5693 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5694 Use XCNEW instead of xcalloc.
5695 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5696 XNEW instead of xmalloc.
5697 (get_fields): Use XNEWVEC instead of xmalloc.
5700 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5701 populate vars array.
5702 (create_new_general_access): For debug stmts just reset value.
5703 (get_stmt_accesses): For accesses within debug stmts just record them
5704 using add_access_to_acc_sites instead of preventing the peeling or
5705 counting them as accesses.
5708 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5710 2010-02-19 Richard Guenther <rguenther@suse.de>
5712 PR tree-optimization/42916
5713 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5716 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5718 * configure.ac: Replace all uses of changequote in macro arguments
5719 with proper quoting.
5721 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5724 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5726 2010-02-19 Richard Guenther <rguenther@suse.de>
5728 PR tree-optimization/42944
5729 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5730 test for aliasing with errno.
5732 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5735 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5736 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5737 * dojump.c: Include output.h.
5738 (inv): New inline function.
5739 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5740 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5741 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5742 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5743 argument, pass it down to other calls.
5744 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5745 add REG_BR_PROB note to the conditional jump.
5746 * cfgexpand.c (add_reg_br_prob_note): Removed.
5747 (expand_gimple_cond): Don't call it, add the probability
5748 as last argument to jumpif_1/jumpifnot_1.
5749 * Makefile.in (dojump.o): Depend on output.h.
5750 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5752 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5753 * stmt.c (do_jump_if_equal): Likewise.
5754 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5755 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5756 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5758 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5759 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5760 jumpifnot_1 callers.
5761 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5763 (store_expr): Adjust jumpifnot caller.
5764 (store_constructor): Adjust jumpif caller.
5767 * gimplify.c (gimple_boolify): For __builtin_expect call
5768 gimple_boolify also on its first argument.
5770 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5772 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5774 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5775 * configure: Regenerated.
5777 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5779 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5780 lang_hooks.types_compatible_p instead of comptypes.
5782 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5784 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5785 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5786 if __prefer_thumb__ is defined.
5788 2010-02-18 Martin Jambor <mjambor@suse.cz>
5790 PR tree-optimization/43066
5791 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5792 array with zero-sized element type.
5794 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5796 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5797 rtx, allocate struct var_loc_node here and return it to the
5798 caller, and only if it is actually needed.
5799 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5800 move it earlier and return immediately if it returns NULL.
5802 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5804 * config/sparc/gas.h: New file. Restore
5805 TARGET_ASM_NAMED_SECTION to its ELF default.
5806 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5808 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5809 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5810 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5811 after sparc/sysv4.h.
5813 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5815 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5817 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5819 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5820 patterns from predicated pattern.
5822 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5825 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5826 for insn mnemonic suffix.
5828 2010-02-17 Richard Guenther <rguenther@suse.de>
5830 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5833 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5836 * caller-save.c (save_call_clobbered_regs): If BB ends with
5837 a DEBUG_INSN, move any notes in between last real insn and the last
5838 DEBUG_INSN after the last DEBUG_INSN.
5840 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5842 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5843 Fix return type. Fix argument type. Explain meaning of return value.
5845 2010-02-16 Richard Guenther <rguenther@suse.de>
5847 PR tree-optimization/41043
5848 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5849 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5851 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5853 2010-02-16 Ira Rosen <irar@il.ibm.com>
5855 PR tree-optimization/43074
5856 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5857 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5858 vectorizable cycles in hybrid SLP check.
5859 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5861 2010-02-16 Richard Guenther <rguenther@suse.de>
5863 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5864 (true_dependence): If memrefs_conflict_p computes must-alias
5865 trust it. Move TBAA check after offset-based disambiguation.
5866 (canon_true_dependence): Likewise.
5868 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5870 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5871 * doc/invoke.texi: Document it.
5872 * var-tracking.c: Include toplev.h and params.h.
5873 (vt_find_locations): Return bool indicating success. Compute
5874 hash sizes unconditionally. Check new parameter, report.
5875 (variable_tracking_main_1): Check vt_find_locations results and
5876 retry. Renamed from...
5877 (variable_tracking_main): ... this. New wrapper to preserve
5878 flag_var_tracking_assignments.
5879 * Makefile.in (var-tracking.o): Adjust dependencies.
5881 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5882 Jakub Jelinek <jakub@redhat.com>
5885 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5886 if weak_import attribute is present.
5887 * config/darwin.c (machopic_select_section): Likewise.
5889 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5891 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5892 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5893 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5894 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5896 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5899 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5902 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5903 Rewrite text to refer to the names.
5905 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5907 * config/i386/i386-builtin-types.def
5908 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5909 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5910 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5911 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5912 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5913 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5914 IX86_BUILTIN_VPERMIL2PS256.
5915 (MULTI_ARG_4_DF2_DI_I): Defined.
5916 (MULTI_ARG_4_DF2_DI_I1): Defined.
5917 (MULTI_ARG_4_SF2_SI_I): Defined.
5918 (MULTI_ARG_4_SF2_SI_I1): Defined.
5919 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5920 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5921 __builtin_ia32_vpermil2ps256.
5922 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5923 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5924 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5925 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5926 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5927 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5928 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5929 CODE_FOR_xop_vpermil2v8sf3.
5930 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5931 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5932 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5933 (_mm256_permute2_pd): New.
5934 (_mm_permute2_ps): New.
5935 (_mm256_permute2_ps): New.
5937 2010-02-15 Nick Clifton <nickc@redhat.com>
5939 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5940 boolean parameters. Use emit_jump_insn when emitting a pop
5941 instruction containing a return insn.
5942 (push): Use 'true' rather than '1' as second parameter to F.
5943 (h8300_expand_prologue): Likewise.
5944 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5945 (h8300_expand_epilogue): Likewise.
5947 2010-02-15 Richard Guenther <rguenther@suse.de>
5950 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5953 2010-02-15 Nick Clifton <nickc@redhat.com>
5955 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5958 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5960 * intl.c (fake_ngettext): New function.
5961 * intl.h (fake_ngettext): Declare.
5962 (ngettext): Define macro.
5963 * collect2.c (notice_translated): New function.
5964 (main): Use notice_translated and ngettext.
5965 * collect2.h (notice_translated): Declare.
5967 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5969 * reorg.c (delete_computation): Comment fixes.
5970 * caller-save.c (setup_save_areas): Idem.
5971 * sel-sched-dump.c (dump_lv_set): Idem.
5974 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5976 * config/s390/s390.c (s390_sched_init): New function.
5977 (TARGET_SCHED_INIT): Target hook defined.
5979 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5980 Jack Howarth <howarth@bromo.med.uc.edu>
5981 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5984 Partial revert of unintended change in fix for PR41605.
5985 * config/darwin.h: Fix typo.
5986 * config/darwin9.h: Same.
5988 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5990 * c-pch.c (pch_init): Clear v.
5992 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5995 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5996 graphite_can_represent_init for MULT_EXPR.
5998 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6002 * graphite-sese-to-poly.c (remove_phi): New.
6003 (translate_scalar_reduction_to_array): Call remove_phi.
6005 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6008 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6009 * graphite-clast-to-gimple.h (gloog): Update declaration.
6010 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6011 * graphite-poly.h (struct poly_bb): Add missing comments.
6012 (struct scop): Add poly_scop_p field.
6014 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6015 * graphite.c (graphite_transform_loops): Build the polyhedral
6016 representation for each scop before code generation.
6017 * sese.c (rename_variables_in_operand): Removed.
6018 (rename_variables_in_expr): Return the renamed expression.
6019 (rename_sese_parameters): New.
6020 * sese.h (rename_sese_parameters): Declared.
6022 2010-02-11 Richard Guenther <rguenther@suse.de>
6024 PR tree-optimization/42998
6025 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6026 POINTER_PLUS_EXPR properly.
6028 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6029 Changpeng Fang <changpeng.fang@amd.com>
6032 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6033 the cost of an IV candidate when the IV is used in a test against zero.
6035 * gcc.dg/tree-ssa/ivopts-3.c: New.
6037 2010-02-11 Richard Guenther <rguenther@suse.de>
6040 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6041 pointer-vs-decl case by swapping refs. Handle some cases
6042 of pointer-vs-decl disambiguations more conservatively.
6043 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6044 to false after expanding.
6046 2010-02-11 Richard Guenther <rguenther@suse.de>
6049 * gcc.c (process_command): Handle LTO file@offset case more
6052 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6054 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6055 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6057 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6059 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6060 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6061 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6062 Optimize eq/ne comparisons when both arguments are known to be
6064 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6065 Don't mask operands unnecessarily if they are known to be already
6068 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6070 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6073 2010-02-10 Richard Guenther <rguenther@suse.de>
6075 PR tree-optimization/43017
6076 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6077 for wrapping signed arithmetic.
6079 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6082 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6083 if no debug info should be emitted for it.
6085 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6087 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6088 note when flag_exceptions is set.
6090 2010-02-10 Duncan Sands <baldrick@free.fr>
6092 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6094 2010-02-10 Richard Guenther <rguenther@suse.de>
6097 * tree.c (get_unwidened): Handle constants.
6098 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6100 2010-02-10 Martin Jambor <mjambor@suse.cz>
6103 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6104 check for variable argument counts independently.
6106 2010-02-10 Christian Bruel <christian.bruel@st.com>
6109 * config/sh/sh.c (find_barrier): Increase length for non delayed
6110 conditional branches.
6112 2010-02-10 Christian Bruel <christian.bruel@st.com>
6114 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6116 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6118 * builtins.c (set_builtin_user_assembler_name): Also handle
6119 ffs if int is smaller than word.
6121 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6124 * ira-conflicts.c (get_dup): Remove.
6125 (process_reg_shuffles): Add new parameter. Use it as an
6126 additional guard for copy generation.
6127 (add_insn_allocno_copies): Rewrite.
6129 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6131 * common.opt (fsched2-use-traces): Preserved for backward
6133 * doc/invoke.texi: Remove the documentation about option
6134 -fsched2-use-traces.
6135 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6136 flag_sched2_use_traces.
6137 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6138 the backward compatibility flag section.
6140 2010-02-09 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/43008
6143 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6144 make HEAP variables initialized from global memory if they
6145 are not known builtin functions.
6146 (find_func_aliases): Adjust.
6148 2010-02-09 Richard Guenther <rguenther@suse.de>
6150 PR tree-optimization/43000
6151 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6152 arithmetic manually.
6154 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6156 PR tree-optimization/42931
6157 * tree-loop-linear.c (try_interchange_loops): Don't call
6158 double_int_mul if estimated_loop_iterations failed.
6160 2010-02-08 Martin Jambor <mjambor@suse.cz>
6163 * tree-sra.c (build_accesses_from_assign): Do not mark in
6164 should_scalarize_away_bitmap if stmt has volatile ops.
6165 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6168 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6170 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6172 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6174 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6177 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6180 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6182 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6185 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6186 to unknown_dependence.
6187 (graphite_legal_transform_dr): Handle the unknown_dependence.
6188 (graphite_carried_dependence_level_k): Same.
6190 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6192 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6194 2010-02-07 Richard Guenther <rguenther@suse.de>
6197 * expr.c (get_inner_reference): Always initialize *pbitsize.
6199 2010-02-07 Richard Guenther <rguenther@suse.de>
6202 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6203 new ARRAY_REFs on variable size element or minimal index arrays.
6205 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6206 gimple_fold_indirect_ref.
6208 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6211 * arm.c (arm_override_options): Just return if the user has specified
6212 an invalid fpu name.
6214 2010-02-03 Jason Merrill <jason@redhat.com>
6217 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6218 i386_pe_maybe_record_exported_symbol.
6220 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6223 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6224 (pa_delegitimize_address): New function.
6226 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6228 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6229 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6231 2010-02-05 Richard Guenther <rguenther@suse.de>
6234 * lto-streamer-in.c (get_resolution): Deal with references
6235 to undefined functions.
6237 2010-02-05 Richard Guenther <rguenther@suse.de>
6239 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6240 (fold_const_aggregate_ref): Likewise.
6241 (ccp_fold_stmt): Substitute loads.
6242 (maybe_fold_reference): Verify types before substituting.
6244 (fold_gimple_assign): Unshare properly.
6245 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6247 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6249 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6250 for rs6000_gen_cell_microcode.
6252 2010-02-04 Richard Guenther <rguenther@suse.de>
6254 PR rtl-optimization/42952
6255 * dse.c (const_or_frame_p): Remove MEM handling.
6257 2010-02-04 Nick Clifton <nickc@redhat.com>
6259 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6260 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6261 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6262 (mn10300_asm_output_mi_thunk): New function.
6263 (mn10300_can_output_mu_thunk): New function.
6264 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6265 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6266 (FUNCTION_ARG): Delete incorrect comment.
6268 2010-02-03 Jason Merrill <jason@redhat.com>
6271 * fold-const.c (operand_equal_p): Handle erroneous types.
6273 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6275 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6277 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6279 PR rtl-optimization/42941
6280 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6283 2010-02-03 Jason Merrill <jason@redhat.com>
6286 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6288 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6291 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6292 (cselib_reset_table): Renamed from...
6293 (cselib_reset_table_with_next_value): ... this.
6294 (cselib_get_next_uid): Renamed from...
6295 (cselib_get_next_unknown_value): ... this.
6296 * cselib.c (next_uid): Renamed from...
6297 (next_unknown_value): ... this.
6298 (cselib_clear_table): Adjust.
6299 (cselib_reset_table): Adjust. Renamed from...
6300 (cselib_reset_table_with_next_value): ... this.
6301 (cselib_get_next_uid): Adjust. Renamed from...
6302 (cselib_get_next_unknown_value): ... this.
6303 (get_value_hash): Use hash.
6304 (cselib_hash_rtx): Likewise.
6305 (new_cselib_val): Adjust. Set and dump uid.
6306 (cselib_lookup_mem): Pass next_uid as hash.
6307 (cselib_subst_to_values): Likewise.
6308 (cselib_log_lookup): Dump uid.
6309 (cselib_lookup): Pass next_uid as hash. Adjust.
6310 (cselib_process_insn): Adjust.
6311 (cselib_init): Initialize next_uid.
6312 (cselib_finish): Adjust.
6313 (dump_cselib_table): Likewise.
6314 * dse.c (canon_address): Dump value uid.
6315 * print-rtl.c (print_rtx): Print value uid.
6316 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6318 (dv_uid): New function, sort of renamed from...
6319 (dv_htab_hash): ... this, reimplemented in terms of it and...
6320 (dv_uid2hash): ... this. New.
6321 (variable_htab_eq): Drop excess assertions.
6322 (tie_break_pointers): Removed.
6323 (canon_value_cmp): Compare uids.
6324 (variable_post_merge_New_vals): Print uids.
6325 (vt_add_function_parameters): Adjust.
6326 (vt_initialize): Reset table. Adjust.
6328 2010-02-03 Richard Guenther <rguenther@suse.de>
6330 PR tree-optimization/42944
6331 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6332 (call_may_clobber_ref_p_1): Likewise. Properly handle
6333 malloc and calloc clobbering errno.
6335 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6337 * doc/invoke.texi: Fix name of sched1 dump.
6339 * opts.c (decode_options): Set flag_tree_switch_conversion
6340 only conditionally on optimize >= 2.
6342 * gcse.c: Assorted comment fixes in pass description.
6344 2010-02-03 Anthony Green <green@moxielogic.com>
6346 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6347 nop padding in order to maintain alignment of storage location of
6348 target function address.
6349 (moxie_trampoline_init): Store target function address at newly
6351 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6353 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6355 2010-02-03 Richard Guenther <rguenther@suse.de>
6358 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6360 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6362 * config.gcc: Reenable check for obsolete targets.
6363 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6364 mips-sgi-irix6.[0-4]*.
6366 2010-02-02 Nick Clifton <nickc@redhat.com>
6368 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6369 constant size of 4 as being the same as 0.
6370 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6371 can take values in the range 0..4.
6373 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6376 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6377 as _darwin10_Unwind_FindEnclosingFunction().
6378 * libgcc-libsystem.ver: New.
6380 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6383 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6384 implicitly set registers.
6386 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6388 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6389 (arm_override_options): Allow automatic selection of the thread
6390 pointer register if thumb2.
6391 (legitimize_pic_address): Improve code sequences for Thumb2.
6392 (arm_call_tls_get_addr): Likewise.
6393 (legitimize_tls_address): Likewise.
6394 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6395 (pic_load_addr_32bit): ... this. New named pattern.
6396 * thumb2.md (pic_load_addr_thumb2): Delete.
6397 (pic_load_dot_plus_four): Delete.
6398 (tls_load_dot_plus_four): New named pattern.
6400 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6403 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6404 Document fix for TLS bug.
6406 2010-01-31 Richard Guenther <rguenther@suse.de>
6408 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6409 conservatively correct.
6411 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6415 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6417 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6419 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6423 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6425 * config.gcc: Adjust order of makefile fragments for mingw targets.
6427 2010-01-31 Richard Guenther <rguenther@suse.de>
6430 * gimplify.c (gimplify_init_constructor): For volatile LHS
6431 initialize a temporary.
6433 2010-01-31 Matthias Klose <doko@ubuntu.com>
6435 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6437 * configure: Regenerate.
6439 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6441 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6442 the same alias set and their sizes different constantness.
6443 (aliasing_component_refs_p): Revert 2009-10-24 change.
6445 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6447 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6450 2010-01-29 Richard Guenther <rguenther@suse.de>
6452 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6453 Assert we successfully updated the call.
6455 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6457 PR rtl-optimization/42889
6458 * df.h (df_set_bb_dirty_nonlr): New prototype.
6459 * df-core.c (df_set_bb_dirty_nonlr): New function.
6460 * df-scan.c (df_insn_rescan): Call it instead of
6461 df_set_bb_dirty for DEBUG_INSNs.
6463 2010-01-29 Richard Guenther <rguenther@suse.de>
6466 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6467 quadratic behavior in most cases.
6469 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6472 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6473 in the call to gen_x86_movsicc_0_m1.
6475 2010-01-28 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/42871
6478 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6480 2010-01-28 Richard Guenther <rguenther@suse.de>
6482 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6483 into call arguments.
6485 2010-01-28 Richard Guenther <rguenther@suse.de>
6488 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6489 the forwarder if the destination is an EH landing pad.
6491 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6493 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6494 block list passed to gimple_duplicate_sese_tail.
6495 (parallelize_loops): Avoid parallelization when the function
6497 Avoid parallelization when the preheader is IRREDUCIBLE.
6498 Try to optimize when estimated_loop_iterations_int is unresolved.
6499 Add the loop's location to the dump file.
6500 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6501 (gimple_duplicate_sese_tail): Remove the check for the latch.
6502 Redirect nexits to the exit block.
6503 Remove handling of the incoming edges to the latch.
6504 Redirect the backedge from the copied latch to the exit bb.
6506 2010-01-28 Michael Matz <matz@suse.de>
6509 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6510 Wrap force_reg into a sequence, emit it before user.
6512 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6514 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6516 (arm_legacy_rev): Likewise.
6517 (thumb_legacy_rev): Likewise.
6519 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6521 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6522 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6523 on MEM's address failed, try avoid_constant_pool_reference and
6524 recurse if it returned something different.
6525 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6526 address, try avoid_constant_pool_reference and recurse if it
6527 returned something different.
6528 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6529 address and avoid_constant_pool_reference returned something
6530 different, don't set have_address.
6532 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6535 * var-tracking.c (val_store): Add modified argument, obey it.
6537 (count_uses): Move down logging of main.
6538 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6539 don't need resolution.
6540 (emit_notes_in_bb): Likewise.
6542 2010-01-27 Richard Guenther <rguenther@suse.de>
6545 * tree-inline.c (remap_decl): Delay remapping of SSA name
6546 default definitions until we need them.
6548 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6550 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6551 (rs6000_delegitimize_address): New function.
6553 * config/s390/s390.c (s390_delegitimize_address): Call
6554 delegitimize_mem_from_attrs.
6557 * tree-inline.c (cannot_copy_type_1): Removed.
6558 (copy_forbidden): Don't forbid copying of functions containing
6559 records/unions with variable length fields.
6561 2010-01-27 Christian Bruel <christian.bruel@st.com>
6565 * config/sh/sh.c (find_barrier): Increase length for non delayed
6566 conditional branches.
6568 2010-01-27 Matthias Klose <doko@ubuntu.com>
6570 * configure.ac (gnu-unique-object): Fix ldd version check.
6571 * configure: Regenerate.
6573 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6575 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6577 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6578 Test for HAVE_GNU_AS value.
6580 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6582 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6583 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6584 INT64_TYPE): Define.
6585 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6586 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6587 INT_LEAST64_TYPE): Define.
6588 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6589 UINT_LEAST64_TYPE): Define.
6590 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6591 INT_FAST64_TYPE): Define.
6592 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6593 UINT_FAST64_TYPE): Define.
6594 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6595 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6596 (SIG_ATOMIC_TYPE): Define.
6598 2010-01-26 Richard Guenther <rguenther@suse.de>
6600 * df-scan.c (df_scan_set_bb_info): Remove assert.
6601 (df_insn_rescan_debug_internal): Merge asserts.
6602 (df_install_ref): Likewise.
6603 (df_mark_reg): Use bitmap_set_range.
6604 (df_hard_reg_used_p): Remove assert.
6605 (df_hard_reg_used_count): Likewise.
6607 2010-01-26 Richard Guenther <rguenther@suse.de>
6609 PR rtl-optimization/42685
6610 * web.c (web_main): Ignore DEBUG_INSNs.
6612 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6614 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6616 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6617 Fix types of fndecl and arglist parameters.
6619 2010-01-26 Richard Guenther <rguenther@suse.de>
6622 * tree-eh.c (unsplit_eh): Skip debug insns.
6624 2010-01-26 Richard Guenther <rguenther@suse.de>
6626 PR tree-optimization/42250
6627 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6629 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6632 * omp-low.c (expand_omp_sections): Only use single_pred if
6633 l2_bb is single_pred_p.
6635 2010-01-25 Christian Bruel <christian.bruel@st.com>
6638 * config/sh/sh.c (find_barrier): Increase length for non delayed
6639 conditional branches.
6640 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6642 2010-01-24 David S. Miller <davem@davemloft.net>
6644 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6645 define if not using GAS.
6646 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6647 Likewise. Delete SECTION_MERGE code, which is only applicable
6650 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6653 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6654 mangling of va_list in system headers.
6656 2010-01-23 Toon Moene <toon@moene.org>
6658 * tree-predcom.c (combine_chains): Return NULL, not false.
6660 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6662 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6663 initialization of variable res to agree with return type.
6665 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6667 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6668 * tree-sra.c: Add include of expr.h.
6670 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6672 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6673 insert the debug stmt on the single non-EH edge from the stmt.
6675 2010-01-22 Richard Henderson <rth@redhat.com>
6678 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6679 the RHS until after generate_subtree_copies has insertted its
6680 code before the current statement.
6682 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6684 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6686 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6688 2010-01-21 Martin Jambor <mjambor@suse.cz>
6690 PR tree-optimization/42585
6691 * tree-sra.c (struct access): New field grp_total_scalarization.
6692 (dump_access): Dump the new field.
6693 (should_scalarize_away_bitmap): New variable.
6694 (cannot_scalarize_away_bitmap): Likewise.
6695 (sra_initialize): Allocate new bitmaps.
6696 (sra_deinitialize): Free new bitmaps.
6697 (create_access_1): New function.
6698 (create_access): Parts moved to create_access_1.
6699 (type_consists_of_records_p): New function.
6700 (completely_scalarize_record): Likewise.
6701 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6702 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6703 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6705 (analyze_all_variable_accesses): Completely scalarize small eligible
6708 2010-01-21 Martin Jambor <mjambor@suse.cz>
6710 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6712 2010-01-21 Andrew Haley <aph@redhat.com>
6714 * gcc.c (process_command): Move lang_specific_driver before
6715 setting cc_libexec_prefix.
6717 2010-01-21 Richard Guenther <rguenther@suse.de>
6720 * fold-const.c (negate_expr_p): Pretend only negative
6721 real constants are easily negatable.
6723 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6724 Jason Merrill <jason@redhat.com>
6726 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6727 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6728 * calls.c (initialize argument_information): Handle it.
6729 * c-common.c (handle_transparent_union_attribute): Use new name.
6730 * c-decl.c (finish_struct): Ditto.
6731 * c-typeck.c (type_lists_compatible_p): Ditto.
6732 (convert_for_assignment): Use new name and also handle record.
6733 * function.c (aggregate_value_p): Handle it.
6734 (pass_by_reference): Ditto.
6735 (assign_parm_data_types): Ditto.
6736 * print-tree.c (print_node): Ditto.
6737 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6738 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6739 * tree.c (first_field): New fn.
6741 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6744 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6745 even when linking statically, for now.
6747 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6750 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6751 without a cselib val.
6752 (count_uses): Accept MO_VAL_SET with no val on stores.
6753 (add_stores): Likewise.
6755 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6757 * var-tracking.c (check_value_val): Add a compile time assertion.
6758 (dv_is_decl_p): Simplify.
6759 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6760 gcc_assert if ENABLE_CHECKING.
6762 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6765 * var-tracking.c: Include tree-flow.h.
6766 (mem_dies_at_call): New.
6767 (dataflow_set_preserve_mem_locs): Use it.
6768 (dataflow_set_remove_mem_locs): Likewise.
6769 (dump_var): Renamed from dump_variable. Adjust all callers.
6770 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6771 * Makefile.in (var-tracking.o): Adjust deps.
6773 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6775 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6777 2010-01-20 Richard Guenther <rguenther@suse.de>
6779 PR tree-optimization/42717
6780 * tree-ssa-dce.c (get_live_post_dom): Remove.
6781 (forward_edge_to_pdom): Take an arbitrary edge to copy
6782 degenerate PHI args from.
6783 (remove_dead_stmt): Use the first post-dominator even if it
6784 does not contain live statements as redirection destination.
6786 2010-01-20 Richard Guenther <rguenther@suse.de>
6788 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6790 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6792 * sel-sched.c (create_speculation_check): Remove set but not used
6794 (try_transformation_cache): Remove set but not used variable ds.
6795 (calculate_privileged_insns): Remove set but not used variables
6796 cur_insn and min_spec_insn.
6797 (find_best_expr): Remove set but not used variable avail_n.
6798 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6800 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6802 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6803 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6806 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6809 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6810 cpu types. Add support for *-sse3 cpu types.
6811 (x86_64-*-*): Ditto.
6813 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6816 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6817 argument, call initializer_constant_valid_p_1 instead of
6818 initializer_constant_valid_p, pass CACHE to it, return NULL
6819 immediately if first call returns NULL.
6820 (initializer_constant_valid_p_1): New function.
6821 (initializer_constant_valid_p): Use it.
6823 2010-01-20 Thomas Quinot <quinot@adacore.com>
6825 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6827 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6829 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6830 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6831 (loc_list_from_tree): Don't handle unsigned division. Handle
6832 signed modulo using DW_OP_{over,over,div,mul,minus}.
6833 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6834 modulo instead of signed.
6836 2010-01-20 DJ Delorie <dj@redhat.com>
6838 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6840 (h8300_emit_stack_adjustment): Propogate it.
6842 (h8300_expand_prologue): Likewise.
6843 (h8300_expand_epilogue): Likewise.
6845 2010-01-19 Michael Matz <matz@suse.de>
6847 PR tree-optimization/41783
6848 * tree-data-ref.c (toplevel): Include flags.h.
6849 (dump_data_dependence_relation): Also dump the inputs if the
6850 result will be unknown.
6851 (split_constant_offset_1): Look through some conversions.
6852 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6853 the offset from last element is too large.
6854 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6855 (reassociate_to_the_same_stmt): Handle vector registers.
6856 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6858 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6859 wide_prolog_niters argument, emit widening instructions.
6860 (vect_do_peeling_for_alignment): Adjust caller, use widened
6861 variant of the iteration cound.
6862 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6864 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6867 * config/arm/neon-testgen.m (emit_automatics): New parameter
6868 features. Adjust for Fixed_return_reg feature.
6869 (test_intrinsic): Call emit_automatics with new feature.
6870 * config/arm/neon.ml: Update copyright years.
6871 (features): New Fixed_return_reg feature.
6872 (ops): Update feature for Vget_low.
6874 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6876 PR tree-optimization/42719
6877 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6881 * fwprop.c (all_uses_available_at): Return false if def_set dest
6882 is a REG that is used in def_insn.
6884 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6886 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6888 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6891 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6893 * target.h (struct gcc_target) <secondary_reload>: Change type
6894 of last argument to secondary_reload_info *.
6896 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6899 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6900 memory references with unaligned offsets. Remove CQImode handling.
6901 (unaligned_memory_operand): Return 1 for memory references with
6902 unaligned offsets. Remove CQImode handling.
6904 2010-01-18 Richard Guenther <rguenther@suse.de>
6907 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6910 2010-01-18 Richard Guenther <rguenther@suse.de>
6912 PR tree-optimization/42781
6913 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6914 restrict processing only if the original variable was artificial.
6916 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6918 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6919 find number of popped argument bytes.
6921 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6922 Fix the text that describes the return value for invalid insns.
6924 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6926 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6927 Clarify what 'cost of the -dependence' is. Fix quoting.
6929 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6930 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6932 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6934 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6935 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6937 2010-01-17 Richard Guenther <rguenther@suse.de>
6940 * function.c (split_complex_args): Take a VEC to modify.
6941 (assign_parms_augmented_arg_list): Build a VEC instead of
6942 a chain of PARM_DECLs.
6943 (assign_parms_unsplit_complex): Take a VEC of arguments.
6944 Do not fixup unmodified parms.
6945 (assign_parms): Deal with the VEC.
6946 (gimplify_parameters): Likewise.
6948 2010-01-17 Richard Guenther <rguenther@suse.de>
6950 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6951 node existence check.
6952 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6953 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6954 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6955 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6956 (gimple_execute_on_growing_pred): Likewise.
6958 2010-01-17 Richard Guenther <rguenther@suse.de>
6960 PR tree-optimization/42773
6961 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6962 (compute_antic_aux): Likewise.
6963 (compute_partial_antic_aux): Likewise.
6965 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6968 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6971 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6973 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6976 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6977 Fix markup for strict argument.
6979 (TARGET_SCHED_REORDER2): Fix argument types.
6981 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6982 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6984 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6985 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6987 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6990 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6991 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6992 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6993 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6994 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6996 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6998 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7000 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7001 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7003 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7005 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7008 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7010 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7011 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7013 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7015 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7017 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7018 referring to it. Fix language.
7020 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7022 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7024 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7026 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7028 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7029 '@var{stream}. Remove stray 'and'.
7031 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7033 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7035 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7037 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7038 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7040 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7041 Fix description of return value.
7042 Rename argument "sz" to "len."
7044 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7045 Clarify meaning of 'true' return value.
7047 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7049 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7050 rep_mode versus mode_rep.
7052 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7054 (TARGET_BUILTIN_DECL): Fix name.
7056 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7058 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7060 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7062 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7064 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7066 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7069 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7070 Rename argument tm_fn to md_fn.
7072 (TARGET_OPTION_PRINT): Fix argument list.
7074 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7077 * config/i386/i386.c (ix86_fixup_binary_operands):
7078 Revert FMA4 fixup of operands.
7080 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7083 * Makefile.in (write_entries_to_file, install-plugin):
7084 Use \012 instead of \n with tr.
7086 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7088 * configure.ac (HAVE_AS_REF): New C macro.
7089 * configure: Regenerate.
7090 * config.in: Likewise.
7091 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7093 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7096 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7098 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7100 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7102 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7104 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7106 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7108 (TARGET_BINDS_LOCAL_P): Fix argument type.
7110 (TARGET_ASM_FILE_END): Use prototype.
7112 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7114 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7116 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7118 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7120 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7121 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7123 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7124 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7126 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7127 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7128 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7129 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7131 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7133 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7135 (TARGET_INIT_BUILTINS): Use prototype.
7137 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7138 Put 'const char *' in braces. Fix parameter types.
7139 (TARGET_INVALID_CONVERSION): Fix parameter types.
7140 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7141 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7143 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7146 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7148 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7150 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7152 * doc/tm.texi (TARGET_HELP): Fix return type.
7154 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7155 in braces. Fix argument types.
7157 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7159 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7161 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7163 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7164 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7166 (TARGET_MANGLE_TYPE): Fix argument types.
7168 (TARGET_IRA_COVER_CLASSES): Use prototype.
7170 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7172 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7174 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7176 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7178 (TARGET_CALLEE_COPIES): Fix argument types.
7180 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7182 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7184 (TARGET_FUNCTION_VALUE): Fix argument types.
7186 (TARGET_RETURN_IN_MSB): Fix argument type.
7188 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7190 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7192 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7194 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7195 agree with return type.
7197 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7199 2010-01-15 Jing Yu <jingyu@google.com>
7201 PR rtl-optimization/42691
7202 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7203 a pseudo to a constant and are merged, and adjust comments.
7205 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7207 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7209 2010-01-15 Richard Guenther <rguenther@suse.de>
7212 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7213 labels of computed or non-local gotos to the destination.
7214 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7215 landing pad label is the first label.
7217 2010-01-15 Richard Guenther <rguenther@suse.de>
7219 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7221 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7224 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7225 to allow generation of the xssqrtdp instruction on power7.
7226 (sqrtdf2_fpr): Ditto.
7228 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7231 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7232 functions with noreturn attribute.
7235 * varasm.c (declare_weak): Add weak attribute to decl if it
7236 doesn't have one already.
7237 (assemble_external): Only add decls to weak_decls if they also
7238 have weak attribute.
7240 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7242 * var-tracking.c (var_reg_delete): Don't delete the association
7243 between REGs and values or one-part variables if the register
7246 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7249 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7250 because its first operand is a non-localized variable.
7252 2010-01-14 Martin Jambor <mjambor@suse.cz>
7254 PR tree-optimization/42706
7255 * tree-sra.c (encountered_recursive_call): New variable.
7256 (encountered_unchangable_recursive_call): Likewise.
7257 (sra_initialize): Initialize both new variables.
7258 (callsite_has_enough_arguments_p): New function.
7259 (scan_function): Call decl and flags check only for IPA-SRA, check
7260 whether there is a recursive call and whether it has enough arguments.
7261 (all_callers_have_enough_arguments_p): New function.
7262 (convert_callers): Look for recursive calls only when
7263 encountered_recursive_call is set.
7264 (ipa_early_sra): Bail out either if
7265 !all_callers_have_enough_arguments_p or
7266 encountered_unchangable_recursive_call.
7268 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7270 * sel-sched.c: Add 2010 to copyright years.
7271 * sel-sched-ir.c: Likewise.
7272 * sel-sched-ir.h: Likewise.
7274 2010-01-14 Martin Jambor <mjambor@suse.cz>
7276 PR tree-optimization/42714
7277 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7278 constructors specially.
7280 2010-01-14 Andi Kleen <ak@linux.intel.com>
7282 * config/i386/drivers-i386.c (detect_caches_intel):
7283 Add l2sizekb parameter and fill in.
7284 (host_detect_local_cpu): Add l2sizekb, fill in.
7285 Add Atom small cache heuristic.
7287 2010-01-14 Andi Kleen <ak@linux.intel.com>
7289 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7290 Add level3 parameter and fill in.
7291 (detect_caches_intel): Handle level3 cache.
7293 2010-01-14 Andi Kleen <ak@linux.intel.com>
7295 * config/i386/drivers-i386.c (host_detect_local_cpu):
7296 Fix core duo detection.
7298 2010-01-14 Andi Kleen <ak@linux.intel.com>
7300 * config/i386/drivers-i386.c (host_detect_local_cpu):
7303 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7305 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7306 (rs6000_variable_issue_1): this. Use...
7307 (rs6000_variable_issue): here. Reimplement. Print debug info.
7309 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7311 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7312 sel_restore_notes. Update all callers. Call reemit_notes
7315 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7317 PR rtl-optimization/42246
7318 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7321 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7323 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7324 all successors is the same as number of successors in current region.
7326 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7328 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7329 to rename is not separable. Otherwise check that its LHS is not NULL.
7331 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7333 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7335 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7337 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7338 available registers when failed to discover LHS register class.
7339 Fix indentation. Update comment.
7341 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7342 Alexander Monakov <amonakov@ispras.ru>
7344 PR rtl-optimization/42389
7345 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7347 (advance_state_on_fence): Likewise.
7348 (sel_target_adjust_priority): Print debug output only when
7349 sched_verbose >= 4, not 2.
7350 (get_expr_cost): Do not issue all unique insns on the next cycle.
7351 (fill_insns): Initialize can_issue_more from the value saved
7353 * sel-sched-ir.c (flist_add): New parameter issue_more.
7354 Init FENCE_ISSUE_MORE with it.
7355 (merge_fences): Likewise.
7356 (init_fences): Update call to flist_add.
7357 (add_to_fences, add_clean_fence_to_fences)
7358 (add_dirty_fence_to_fences): Likewise.
7359 (move_fence_to_fences): Update call to merge_fences.
7360 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7362 * sel-sched-ir.h (struct _fence): New field issue_more.
7363 (FENCE_ISSUE_MORE): New accessor macro.
7365 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7367 PR rtl-optimization/42388
7368 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7369 that have no predecessors nor successors. Do not call move_bb_info
7370 for empty blocks outside of current region.
7372 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7374 PR rtl-optimization/42294
7375 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7376 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7377 originators' originators.
7379 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7381 PR rtl-optimization/39453
7382 PR rtl-optimization/42246
7383 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7385 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7387 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7388 Alexander Monakov <amonakov@ispras.ru>
7391 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7392 (maybe_tidy_empty_bb): ... here. Make static. Add new
7393 argument. Update all callers.
7394 (tidy_control_flow): ... and here. Recompute topological order
7395 of basic blocks in region if necessary.
7396 (sel_redirect_edge_and_branch): Change return type. Return true
7397 if topological order might have been invalidated.
7398 (purge_empty_blocks): Export and move from...
7399 * sel-sched.c (purge_empty_blocks): ... here.
7400 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7401 (maybe_tidy_empty_bb): Delete prototype.
7402 (purge_empty_blocks): Declare.
7404 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7406 PR rtl-optimization/42249
7407 * sel-sched.c (try_replace_dest_reg): When chosen register
7408 and original register is the same, do not bail out early, but
7409 still check all original insns for validity of replacing destination
7410 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7413 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7416 Port from no-undefined-overflow branch:
7417 2009-03-09 Richard Guenther <rguenther@suse.de>
7419 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7421 2010-01-14 Richard Guenther <rguenther@suse.de>
7424 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7426 2010-01-14 Ira Rosen <irar@il.ibm.com>
7428 PR tree-optimization/42709
7429 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7430 as scalar type in creation of constant vector operand.
7432 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7435 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7436 (check-parallel-%): Match `testsuite' directory component only
7439 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7441 PR translation/39521
7442 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7445 2010-01-13 Richard Guenther <rguenther@suse.de>
7447 PR tree-optimization/42730
7448 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7451 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7454 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7455 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7458 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7460 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7461 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7462 ___umulsi3_highpart.
7464 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7465 rather than schedule_insns if the pass is enabled.
7467 2010-01-13 Martin Jambor <mjambor@suse.cz>
7469 PR tree-optimization/42704
7470 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7473 2010-01-13 Martin Jambor <mjambor@suse.cz>
7475 PR tree-optimization/42703
7476 * tree-sra.c (analyze_access_subtree): Check that we can build a
7477 reference to the original data within the aggregate.
7479 2010-01-13 Richard Guenther <rguenther@suse.de>
7481 PR tree-optimization/42705
7482 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7484 2010-01-13 Richard Guenther <rguenther@suse.de>
7487 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7489 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7492 * var-tracking.c (values_to_unmark): New variable.
7493 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7494 values_to_unmark vector. Moved body to...
7495 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7496 instead queue it into values_to_unmark vector.
7497 (vt_find_locations): Free values_to_unmark vector.
7499 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7501 * config/s390/s390.c (override_options): Set
7502 default of max-pending-list-length to 256
7504 2010-01-13 Richard Guenther <rguenther@suse.de>
7507 * tree-pass.h (PROP_gimple_lcx): New.
7508 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7509 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7510 before the final cleanup_eh.
7511 (dump_properties): Dump PROP_gimple_lcx.
7512 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7513 (tree_lower_complex_O0): Remove.
7514 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7515 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7516 tree_lower_complex, schedule TODO_update_ssa.
7517 * lto-streamer-out.c (output_function): Stream the functions
7519 * lto-streamer-in.c (input_function): Likewise.
7520 (lto_read_body): Do not override them here.
7522 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7525 * c-typeck.c (build_c_cast): Fold value cast to union type before
7526 wrapping it in a CONSTRUCTOR.
7528 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7530 PR rtl-optimization/42699
7531 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7534 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7536 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7537 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7538 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7539 SUBTARGET_WARN_UNUSED_SPEC): ... here
7540 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7542 2010-01-12 Julian Brown <julian@codesourcery.com>
7544 * config/arm/neon-schedgen.ml (Utils): Don't try to
7545 open missing module.
7546 (find_with_result): New.
7548 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7551 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7552 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7554 PR tree-optimization/42645
7555 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7556 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7557 decl_map, set processing_debug_stmt to -1 and return name without
7560 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7562 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7563 binutils version, and reword target configuration description.
7565 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7567 * config/avr/avr.h (LINKER_NAME): Remove.
7569 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7572 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7573 that support VSX, warn for -mno-altivec if vsx is not disabled,
7576 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7577 Shujing Zhao <pearly.zhao@oracle.com>
7579 PR translation/42469
7580 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7581 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7582 character between option name and help text.
7583 * c.opt (imultilib): Likewise.
7585 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7587 * lto-streamer-out.c (output_unreferenced_globals): Output static
7590 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7592 PR rtl-optimization/42621
7593 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7594 optimizing for size.
7595 (duplicate_computed_gotos): Remove now-redundant check.
7597 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7600 * configure.ac: Save and restore LDFLAGS and LIBS
7601 * configure: Regenerate.
7603 2010-01-10 Richard Guenther <rguenther@suse.de>
7606 * builtins.c (fold_builtin_strlen): Add type argument and
7607 convert the resulting length to it.
7608 (fold_builtin_1): Adjust.
7610 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7612 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7613 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7615 (num_insns_constant_wide): Adjust for that change.
7617 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7620 * web.c (union_defs): Add used argument, to combine uses of
7622 (entry_register): Adjust type and tests of used argument.
7623 (web_main): Widen used for new use. Pass it to union_defs.
7624 * df.h (union_defs): Adjust prototype.
7626 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7629 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7630 uses in new incoming argument. Free body.
7631 (reset_debug_uses_in_loop): New.
7632 (analyze_insn_to_expand_var): Call the latter if the former found
7633 anything. Fix whitespace. Reject invalid dest overlaps before
7634 going through all insns in the loop.
7636 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7639 * haifa-sched.c (dying_use_p): Debug insns don't count.
7641 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7644 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7645 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7646 (verify_gimple_call): Reject LHS in noreturn calls.
7648 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7652 * tree-vect-loop-manip.c (adjust_info): New type.
7653 (adjust_vec): New pointer to vector.
7654 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7655 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7656 (slpeel_update_phis_for_duplicate_loop): Use them.
7657 (slpeel_update_phi_nodes_for_guard1): Likewise.
7658 (slpeel_update_phi_nodes_for_guard2): Likewise.
7659 (slpeel_tree_peel_loop_to_edge): Likewise.
7660 (vect_update_ivs_after_vectorizer): Likewise.
7662 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7664 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7665 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7667 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7669 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7670 bogus uninitialized warning.
7672 2010-01-09 Richard Guenther <rguenther@suse.de>
7675 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7676 the evolution is compatible with the initial condition.
7678 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7680 * gcc.c (process_command): Update copyright notice dates.
7681 * gcov.c (print_version): Likewise.
7682 * gcov-dump.c (print_version): Likewise.
7683 * mips-tfile.c (main): Likewise.
7684 * mips-tdump.c (main): Likewise.
7686 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7689 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7691 (rotlhi3_8): Delete.
7693 (rotlsi3_8): Delete.
7694 (rotlsi3_16): Delete.
7695 (rotlsi3_24): Delete.
7697 (*rotw<mode>3): New.
7698 (*rotb<mode>3): New.
7699 * config/avr/avr.c (avr_rotate_bytes): New function.
7700 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7702 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7705 * configure.ac: Modify -rdynamic check.
7706 * configure: Regenerate.
7708 2010-01-08 DJ Delorie <dj@redhat.com>
7710 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7711 register popping order.
7713 2010-01-08 Richard Guenther <rguenther@suse.de>
7716 * c.opt (fsigned-char): Also let LTO handle this option.
7717 (funsigned-char): Likewise.
7719 2010-01-07 Richard Guenther <rguenther@suse.de>
7721 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7722 (gimple_op): Likewise.
7723 (gimple_op_ptr): Likewise.
7724 (gimple_assign_set_lhs): Remove gcc_assert.
7725 (gimple_assign_set_rhs1): Likewise.
7726 (gimple_assign_set_rhs2): Likewise.
7727 (gimple_call_set_lhs): Likewise.
7728 (gimple_call_set_fn): Likewise.
7729 (gimple_call_set_fndecl): Likewise.
7730 (gimple_call_fndecl): Likewise.
7731 (gimple_call_return_type): Likewise.
7732 (gimple_call_set_chain): Likewise.
7733 (gimple_call_num_args): Likewise.
7734 (gimple_call_set_arg): Likewise.
7735 (gimple_cond_set_code): Likewise.
7736 (gimple_cond_set_lhs): Likewise.
7737 (gimple_cond_set_rhs): Likewise.
7738 (gimple_cond_set_true_label): Likewise.
7739 (gimple_cond_set_false_label): Likewise.
7740 (gimple_label_set_label): Likewise.
7741 (gimple_goto_set_dest): Likewise.
7742 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7743 (gimple_debug_bind_get_value): Likewise.
7744 (gimple_debug_bind_get_value_ptr): Likewise.
7745 (gimple_debug_bind_set_var): Likewise.
7746 (gimple_debug_bind_set_value): Likewise.
7747 (gimple_debug_bind_reset_value): Likewise.
7748 (gimple_debug_bind_has_value_p): Likewise.
7749 (gimple_return_retval_ptr): Remove gcc_assert.
7750 (gimple_return_retval): Likewise.
7751 (gimple_return_set_retval): Likewise.
7752 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7753 (safe_referenced_var_iterator): Remove.
7754 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7755 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7756 (fill_referenced_var_vec): Remove.
7757 (first_readonly_imm_use): Remove redundant gcc_assert.
7758 (phi_arg_index_from_use): Combine gcc_asserts.
7759 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7760 (first_imm_use_stmt): Remove redundant gcc_assert.
7761 * tree-cfg.c (verify_gimple_call): Verify function and chain
7762 operands. Verify arguments.
7763 (verify_types_in_gimple_stmt): Verify condition code and labels.
7765 2010-01-07 Richard Guenther <rguenther@suse.de>
7767 PR tree-optimization/42641
7768 * sese.c (rename_map_elt_info): Use the SSA name version, do
7771 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7773 PR tree-optimization/42625
7774 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7775 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7777 2010-01-07 Duncan Sands <baldrick@free.fr>
7779 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7781 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7784 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7785 note itself is not function_invariant_p.
7787 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7789 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7790 Do not add the DF_NOTE problem.
7791 * store-motion.c (execute_rtl_store_motion): Likewise.
7793 2010-01-07 Martin Jambor <mjambor@suse.cz>
7795 PR tree-optimization/42157
7796 * tree-sra.c (compare_access_positions): Stabilize sort if both
7797 accesses have integer types, return zero immediately if they are the
7800 2010-01-06 Richard Henderson <rth@redhat.com>
7803 * haifa-sched.c (add_to_note_list): Merge into ...
7804 (concat_note_lists): ... here, and ...
7805 (unlink_other_notes, rm_other_notes): Merge into...
7806 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7807 NOTE_INSN_EPILOGUE_BEG.
7809 2010-01-06 Richard Guenther <rguenther@suse.de>
7811 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7812 not inline regular functions into always-inline functions.
7814 2010-01-06 Nick Clifton <nickc@redhat.com>
7816 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7817 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7819 (OVERRIDE_OPTIONS): Delete.
7820 (OPTIMIZATION_OPTIONS): Define.
7821 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7822 * config/rx/rx.c (rx_handle_option): Issue an error message if
7823 -mcpu=rx200 and -fpu are used together.
7824 (rx_set_optimization_options): New function. Issue an error
7825 message if an optimization attribute attempts to reset the FPU/
7826 math optimization pairing.
7827 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7828 * config/rx/rx.opt: Set the default to 32-bit doubles.
7829 * config/rx/t-rx: Add multilibs for -nofpu option.
7830 * doc/invoke.texi: Update documentation of RX options.
7832 2010-01-06 Richard Guenther <rguenther@suse.de>
7834 * tree-ssa-pre.c (name_to_id): New global.
7835 (alloc_expression_id): Simplify SSA name handling.
7836 (lookup_expression_id): Likewise.
7837 (init_pre): Zero name_to_id.
7838 (fini_pre): Free it.
7840 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7842 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7844 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7847 * config/i386/sse.md (smaxv2di3): New.
7848 (umaxv2di3): Likewise.
7849 (sminv2di3): Likewise.
7850 (uminv2di3): Likewise.
7852 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7855 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7856 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7857 (legitimize_tls_address): Likewise.
7858 (sparc_tls_referenced_p): Likewise.
7859 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7860 and adjust calls to legitimize_pic_address.
7861 (legitimate_constant_p) Use sparc_tls_referenced_p.
7862 (legitimate_pic_operand_p): Likewise.
7863 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7864 (sparc_tls_symbol_ref_1): Delete.
7865 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7866 (legitimize_tls_address): Make static, handle CONST patterns.
7867 (legitimize_pic_address): Make static, remove unused parameter and
7868 adjust recursive calls.
7869 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7870 and adjust call to legitimize_pic_address.
7871 (sparc_output_mi_thunk): Likewise.
7873 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7874 H.J. Lu <hongjiu.lu@intel.com>
7877 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7878 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7879 operands to make them signed.
7882 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7885 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7886 GTU to GT for V4SI and V2DI.
7888 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7889 (umin<mode>3): Removed.
7891 (uminv4si3): Likewise.
7893 2010-01-05 Martin Jambor <mjambor@suse.cz>
7895 PR tree-optimization/42462
7896 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7897 current_function_decl to helper functions and macros.
7899 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7902 * flags.h: Don't include real.h.
7903 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7904 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7905 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7906 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7907 * dominance.c: Update copyright.
7908 * gimple.c (walk_gimple_op): Remove inline.
7909 * tree-ssa-reassoc.c: Include real.h.
7910 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7911 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7913 2010-01-05 Nick Clifton <nickc@redhat.com>
7915 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7916 register to push into the stack frame when the accumulator has to
7917 be saved during interrupts.
7919 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7921 * doc/invoke.texi: Remove the documentation about option
7923 * common.opt (Wunreachable-code): Preserved for backward
7925 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7926 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7927 the backward compatibility flag section.
7929 2010-01-05 Richard Guenther <rguenther@suse.de>
7931 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7933 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7936 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7938 PR tree-optimization/42508
7939 * tree-sra.c (convert_callers): Check for recursive call
7940 by comparing cgraph nodes instead of decls.
7941 (modify_function): Call ipa_modify_formal_parameters also
7942 on all same_body aliases.
7944 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7945 cgraph nodes when checking for same_body aliases.
7947 2010-01-05 Richard Guenther <rguenther@suse.de>
7949 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7950 allocation and lookup.
7951 (get_or_alloc_expr_for_constant): Likewise.
7952 (phi_translate): Sink allocation.
7954 2010-01-04 Richard Guenther <rguenther@suse.de>
7956 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7957 a new entry only if needed.
7958 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7959 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7961 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7963 (phi_translate): Handle CONSTANTs early.
7965 2010-01-04 Martin Jambor <mjambor@suse.cz>
7967 PR tree-optimization/42398
7968 * tree-sra.c (struct access): Removed flag grp_different_types.
7969 (dump_access): Do not dump the removed flag.
7970 (sort_and_splice_var_accesses): Do not set the removed flag.
7971 (sra_modify_expr): Check for type compatibility directly.
7973 2010-01-04 Martin Jambor <mjambor@suse.cz>
7975 PR tree-optimization/42366
7976 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7977 edges with variable number of parameters.
7978 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7979 flag instead of asserting it.
7980 (ipa_read_node_info): Read uses_analysis_done flag.
7982 2010-01-04 Richard Guenther <rguenther@suse.de>
7984 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7985 iterative_hash_* as intended.
7986 (vn_reference_compute_hash): Likewise. Simplify hashing
7988 (vn_reference_lookup_2): Likewise.
7989 (vn_nary_op_compute_hash): Likewise.
7990 (vn_phi_compute_hash): Likewise.
7991 (expressions_equal_p): Remove strange code.
7992 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7993 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7994 (bitmap_insert_into_set_1): Take value-id as parameter.
7995 (add_to_value): Pass it.
7996 (bitmap_insert_into_set): Likewise.
7997 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7999 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8002 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8003 (do_self_spec): For switches with SWITCH_IGNORE set set also
8004 SWITCH_IGNORE_PERMANENTLY.
8005 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8008 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8010 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8011 tree of an unreferenced global var.
8013 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8016 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8017 GTU to GT for V4SI and V2DI.
8019 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8020 (umin<mode>3): Removed.
8022 (uminv4si3): Likewise.
8024 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8027 * collect2.c (main): Turn on trace in collect2 if -v is passed
8030 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8032 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8033 description of expression operand.
8035 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8037 * configure.ac: Add install-html to target_list for Make-hooks.
8038 * configure: Regenerate.
8039 * fortran/Make-lang.in (F95_HTMLFILES): New.
8040 (fortran.html): Use it.
8041 (fortran.install-html): New.
8042 * Makefile.in (install-html): Add lang.install-html.
8043 * java/Make-lang.in (JAVA_HTMLFILES): New.
8044 (java.html): Use it.
8045 (java.install-html): New.
8046 * objc/Make-lang.in (objc.install-html): New.
8047 * objcp/Make-lang.in (obj-c++.install-html): New.
8048 * cp/Make-lang.in (c++.install-html): New.
8049 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8050 * lto/Make-lang.in (lto.install-html): New.
8052 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8055 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8057 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8059 PR rtl-optimization/41862
8060 * store-motion.c (store_killed_in_insn, compute_store_table,
8061 remove_reachable_equiv_notes, replace_store_insn,
8062 build_store_vectors): Ignore all DEBUG_INSNs.
8064 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8067 * common.opt: Add dumpdir.
8069 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8071 (option_map): Add --dumpdir.
8073 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8075 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8077 * opts.c (decode_options): Try dump_dir_name first if
8078 dump_base_name isn't an absolute path.
8079 (common_handle_option): Handle OPT_dumpdir.
8081 * toplev.c (dump_dir_name): New.
8082 (print_switch_values): Also ignore -dumpdir.
8084 * toplev.h (dump_dir_name): New.
8086 2010-01-03 Richard Guenther <rguenther@suse.de>
8088 PR tree-optimization/42589
8089 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8090 double-word expansion of bswap32.
8092 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8094 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8095 with BLOCK_FOR_INSN.
8096 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8097 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8098 noce_process_if_block): Likewise.
8099 * gcse.c (compute_local_properties, insert_expr_in_table,
8100 insert_set_in_table, canon_list_insert, find_avail_set,
8101 pre_insert_copy_insn): Likewise.
8103 * basic-block.h (BLOCK_NUM): Move from here...
8104 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8106 2010-01-03 Richard Guenther <rguenther@suse.de>
8108 PR tree-optimization/42438
8109 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8110 contains_may_not_return_call flag.
8111 (BB_MAY_NOTRETURN): New.
8112 (valid_in_sets): Trapping nary operations are not valid
8113 in blocks that may not return.
8114 (insert_into_preds_of_block): Remove check for trapping expressions.
8115 (compute_avail): Compute also BB_MAY_NOTRETURN.
8117 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8119 * doc/invoke.texi: Add 2010 to copyright years.
8121 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8123 * config/sparc/sparc.c: Fix formatting nits.
8125 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8126 Alexander Monakov <amonakov@ispras.ru>
8128 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8130 2010-01-02 Richard Guenther <rguenther@suse.de>
8133 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8134 (simplify_switch_using_ranges): Mark to be removed edges
8137 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8139 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8141 * collect2.c (scan_libraries): Add missing argument in call to
8144 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8147 * config/alpha/predicates.md (aligned_memory_operand): Return false
8149 (unaligned_memory_operand): Return true for CQImode.
8150 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8151 doesn not cross aligned SImode word boundary.
8153 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8155 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8157 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8158 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8160 2010-01-02 Richard Guenther <rguenther@suse.de>
8163 * toplev.c (compile_file): Emit LTO marker properly. Change
8165 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8167 2010-01-01 Richard Guenther <rguenther@suse.de>
8170 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8172 2010-01-01 Richard Guenther <rguenther@suse.de>
8175 * c-decl.c (grokdeclarator): For zero-size arrays force
8176 structural equality checks as layout_type does.
8178 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8180 * builtins.c: Update copyright to 2010.
8182 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8185 * lto-streamer-out.c (produce_asm): Revert the last change.
8186 (copy_function): Likewise.
8188 * lto-streamer.c (lto_get_section_name): Skip any leading
8191 2010-01-01 Richard Guenther <rguenther@suse.de>
8194 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8198 Copyright (C) 2010 Free Software Foundation, Inc.
8200 Copying and distribution of this file, with or without modification,
8201 are permitted in any medium without royalty provided the copyright
8202 notice and this notice are preserved.