1 2010-05-04 Jakub Jelinek <jakub@redhat.com>
4 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
7 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
10 * config/i386/i386.md (sse_prologue_save): Add clobber CC
12 (*sse_prologue_save_insn1): Likewise.
13 (SSE prologue save splitter): Likewise.
15 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
17 * tree.c (free_lang_data_in_one_sizepos): New inline function.
18 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
19 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
20 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
21 all decls. Call it on DECL_FIELD_OFFSET of fields.
22 (find_decls_types_r): Follow DECL_VALUE_EXPR.
23 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
25 2010-05-04 Martin Jambor <mjambor@suse.cz>
27 * tree-sra.c (build_access_from_expr_1): The first parameter type
28 changed to simple tree.
29 (build_access_from_expr): Likewise, gsi parameter was eliminated.
30 (scan_assign_result): Renamed to assignment_mod_result, enum elements
32 (build_accesses_from_assign): Removed all parameters except for a
33 simple gimple statement. Now returns a simple bool.
34 (scan_function): All non-analysis parts moved to separate functions
35 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
36 parameters and updated both callers.
37 (sra_modify_expr): Removed parameter data.
38 (sra_modify_function_body): New function.
39 (perform_intra_sra): Call sra_modify_function_body to modify the
41 (replace_removed_params_ssa_names): Parameter data changed into
43 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
44 changed the parameter dont_convert to convert with the opposite
46 (sra_ipa_modify_assign): Parameter data changed into adjustments
47 vector, return value changed to bool.
48 (ipa_sra_modify_function_body): New function.
49 (sra_ipa_reset_debug_stmts): Updated a comment.
50 (modify_function): Use ipa_sra_modify_function_body to modify function
53 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
56 * alias.c (true_dependence): Handle the same VALUE in x and mem.
57 (canon_true_dependence): Likewise.
58 (write_dependence_p): Likewise.
60 2010-05-04 Jan Hubicka <jh@suse.cz>
62 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
63 * cgraphbuild.c: Include ipa-utils.h
64 (record_reference_ctx): New struct.
65 (record_reference): Simplify to work on initializers; not statements.
66 (mark_address, mark_load, mark_store): New.
67 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
69 (record_references_in_initializer): Update use of record_reference.
70 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
73 2010-05-04 Jan Hubicka <jh@suse.cz>
75 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
76 node will be removed anyway.
77 (lto_varpool_replace_node): Allow also unanalyzed nodes;
78 relink aliases of node into prevailing node.
79 * varpool.c (varpool_remove_node): Remove aliases properly;
80 when removing node, remove all its aliases too; remove DECL_INITIAL
81 of removed node; ggc_free the varpool node.
83 2010-05-04 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/43879
86 * tree-ssa-structalias.c (alias_get_name): Use
87 DECL_ASSEMBLER_NAME if available.
88 (create_function_info_for): Return the varinfo node.
89 (ipa_pta_execute): Associate same-body aliases and extra names
90 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
92 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
94 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
97 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
100 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
101 only if HONOR_REG_ALLOC_ORDER is not defined.
103 2010-05-04 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/43949
106 * tree-vrp.c (extract_range_from_binary_expr): Only handle
109 2010-04-26 Jason Merrill <jason@redhat.com>
111 * c.opt (-fstrict-enums): New.
112 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
114 2010-05-03 David Ung <davidu@mips.com>
115 James E. Wilson <wilson@codesourcery.com>
117 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
118 emit the trap instruction before the divide for TUNE_74K.
120 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
122 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
123 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
124 based on the above, for new target hook.
126 * hooks.c (hook_bool_mode_true): New generic hook.
127 * hooks.h (hook_bool_mode_true): Add prototype.
129 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
131 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
132 target hook, set to hook_bool_mode_false.
133 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
134 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
135 with targetm.small_register_classes_for_mode_p.
136 (find_reusable_reload): Likewise.
137 (combine_reloads): Likewise.
138 * reload1.c (reload_as_needed): Likewise.
139 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
140 * ifcvt.c (noce_process_if_block, check_cond_move_block,
141 dead_or_predicable): Likewise.
142 * regmove.c (optimize_reg_copy_1): Likewise.
143 * calls.c (prepare_call_address): Likewise.
144 (precompute_register_parameters): Likewise.
146 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
148 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
149 implementation of the hook that considers all register classes
150 small except for SH64.
151 (sh_override_options): Use the new hook.
152 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
155 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
157 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
158 implementation of the hook that considers all register classes
160 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
163 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
165 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
166 implementation of the hook that considers all register classes
168 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
171 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
173 * config/m32c/m32c.h: Likewise.
174 * config/pdp11/pdp11.h: Likewise.
175 * config/avr/avr.h: Likewise.
176 * config/xtensa/xtensa.h: Likewise.
177 * config/m68hc11/m68hc11.h: Likewise.
178 * config/mn10300/mn10300.h: Likewise.
179 * config/mcore/mcore.h: Likewise.
180 * config/h8300/h8300.h: Likewise.
181 * config/bfin/bfin.h: Likewise.
183 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
184 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
186 2010-05-03 Anatoly Sokolov <aesok@post.ru>
188 * double-int.h (tree_to_double_int): Remove macro.
189 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
190 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
191 (tree_to_double_int): New function.
192 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
194 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
196 2010-05-03 Richard Guenther <rguenther@suse.de>
198 PR tree-optimization/43971
199 * tree-ssa-structalias.c (get_constraint_for_1): Fix
200 constraints in the !flag_delete_null_pointer_checks case.
202 2010-05-03 Jakub Jelinek <jakub@redhat.com>
205 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
206 result mode matches original rtl mode.
208 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
211 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
213 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
215 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
216 when processing flag options.
218 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
220 * gcov-iov.c (main): Change format string placeholder
221 from %#08x to 0x%08x.
222 * genchecksum.c (dosum): Change format string placeholder
223 from %#02x to 0x%02x.
225 2010-05-02 Richard Guenther <rguenther@suse.de>
227 PR tree-optimization/43879
228 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
230 2010-05-02 Bruno Haible <bruno@clisp.org>
232 * doc/extend.texi (Function Attributes): Fix a typo.
234 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
237 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
238 placeholder from 0x%x to %#x.
239 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
240 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
241 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
242 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
243 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
244 * config/i386/i386.c (ix86_target_string): Ditto.
245 * config/i386/i386.c (output_pic_addr_const): Ditto.
246 (print_operand): Ditto.
248 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
250 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
251 placeholder from 0x%x to %#x.
252 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
253 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
254 (ASM_OUTPUT_DEBUG_DATA): Ditto.
255 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
256 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
257 * optc-gen.awk: Ditto.
258 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
259 (HOST_WIDE_INT_PRINT_HEX): Ditto.
260 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
261 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
263 2010-05-01 Anatoly Sokolov <aesok@post.ru>
265 * target.h (struct calls): Add function_value_regno_p field.
266 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
267 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
268 * targhooks.c (default_function_value_regno_p): New function.
269 * targhooks.h (default_function_value_regno_p): Declare function.
270 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
271 * builtins.c. (apply_result_size): (Ditto.).
272 * combine.c. (likely_spilled_retval_p): (Ditto.).
273 * mode-switching.c. Include 'target.h'.
274 (create_pre_exit): Use function_value_regno_p hook.
275 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
276 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
277 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
279 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
280 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
281 (ix86_function_value_regno_p): Declare as static, change argument
282 type to const unsigned int.
283 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
285 2010-05-01 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/43949
288 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
290 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
292 2010-05-01 Anatoly Sokolov <aesok@post.ru>
294 * rtl.h (CONST_DOUBLE_P): Define.
295 (rtx_to_double_int): Declare.
296 * emit-rtl.c (rtx_to_double_int): New function.
297 * dwarf2out.c (insert_double): New function.
298 (loc_descriptor, add_const_value_attribute): Clean up, use
299 rtx_to_double_int and insert_double functions.
301 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
303 * doc/extend.texi (Inline): Add missing return keyword to examples.
304 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
307 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
309 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
310 the variable part of the offset as well. Use highest_pow2_factor for
311 all alignment checks.
313 2010-04-30 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/43879
316 * tree-ssa-structalias.c (type_could_have_pointers): Functions
319 2010-04-30 Jan Hubicka <jh@suse.cz>
321 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
323 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
325 2010-04-30 Jan Hubicka <jh@suse.cz>
327 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
329 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
330 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
331 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
332 cgraph_node_set_needs_ltrans_p): Remove.
334 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
336 * sdbout.c: Include vec.h, do not include varray.h.
337 (deferred_global_decls, sdbout_global_decl,
338 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
339 * toplev.c: Do not include varray.h.
340 (dump_memory_report): Do not dump VARRAY statistics.
341 * gengtype.c (open_base_file): Ignore varray.h.
342 * Makefile.in: Update for abovementioned changes.
343 Remove all traces of varray.c and varray.h.
344 * varray.c: Remove file.
345 * varray.h: Remove file.
347 2010-04-30 Jan Hubicka <jh@suse.cz>
349 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
352 2010-04-30 Jan Hubicka <jh@suse.cz>
354 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
357 2010-04-30 Richard Guenther <rguenther@suse.de>
359 * tree-ssa-structalias.c (get_constraint_for_1): Generate
360 constraints for CONSTRUCTOR.
362 2010-04-30 Richard Guenther <rguenther@suse.de>
365 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
366 first after all lowering passes.
368 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
370 * toplev.c: Include varray.h for statistics dumping.
371 * tree.h: Do not declare varray_head_tag.
372 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
373 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
374 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
375 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
376 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
377 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
378 c-common.c, c-common.h, reg-stack.c, basic-block.h,
379 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
381 * Makefile.in: Update for abovementioned changes.
383 2010-04-30 Jakub Jelinek <jakub@redhat.com>
386 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
388 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
390 * config/picochip/picochip.c (picochip_legitimize_address): Define.
391 Use this function to do machine-specific conversion.
392 (picochip_legitimize_reload_address): Likewise.
393 (picochip_legitimate_address_p): Check valid base register only if
395 (picochip_check_conditional_copy): Check for modw only if opnd is
397 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
398 to call the function in c.
399 * config/picochip/picochip-protos.h
400 (picochip_legitimize_reload_address): Define.
401 * config/picochip/picochip.md (supported_compare1): Define.
403 2010-04-30 Jan Hubicka <jh@suse.cz>
405 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
406 (cgraph_global_info): Remove inlined.
407 (LTO_cgraph_tag_names): Remove.
408 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
409 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
410 simplify cgraph tags and document.
411 (lto_output_node): Use only LTO_cgraph_unavail_node and
412 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
413 for_functions_valid, global info, process and output flags.
414 (input_overwrite_node): Initialize estimated stack size and
415 estimated growth. Do not read flags we no longer store.
416 (input_node): Likewise do not read info no longer stored.
417 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
420 2010-04-30 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/43879
423 * tree-ssa-structalias.c (get_constraint_for_1): Properly
424 handle non-zero initializers.
426 2010-04-30 Richard Guenther <rguenther@suse.de>
428 * builtins.c (fold_builtin_1): Delete free (0).
430 2010-04-29 Jan Hubicka <jh@suse.cz>
432 * gengtype.c (open_base_files): Add lto-streamer.h
433 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
434 (pass_ipa_cp): GGC collect.
435 * toplev. (compile_file): Do not output symbols.
436 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
437 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
438 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
439 * lto-section-in.c: Include ggc.h
440 (lto_new_in_decl_state): Alloc in GGC.
441 (lto_delete_in_decl_state): Likewise.
442 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
445 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
448 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
449 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
450 (HONOR_REG_ALLOC_ORDER): Describe new macro.
451 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
452 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
453 account only if HONOR_REG_ALLOC_ORDER is not defined.
454 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
455 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
457 2010-04-29 Jon Grant <04@jguk.org>
459 * collect2.c (vflag): Change type from int to bool.
461 (helpflag): New global bool.
462 (main): Set vflag and debug with boolean, not integer truth values.
463 Accept new "--help" option and output usage text if found.
464 * collect2.h (vflag): Update prototype.
467 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
470 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
472 2010-04-29 Richard Guenther <rguenther@suse.de>
475 * plugin.h (invoke_plugin_callbacks): Annotate arguments
476 with ATTRIBUTE_UNUSED.
478 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
481 * config/i386/i386.c (get_some_local_dynamic_name): Replace
482 INSN_P with NONDEBUG_INSN_P.
483 (distance_non_agu_define): Likewise.
484 (distance_agu_use): Likewise.
486 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
488 From Dominique d'Humieres <dominiq@lps.ens.fr>
490 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
493 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
495 * plugin.h (invoke_plugin_callbacks): New inline function.
496 * plugin.c (flag_plugin_added): New global flag.
497 (add_new_plugin): Initialize above flag.
498 (invoke_plugin_callbacks): Rename to ...
499 (invoke_plugin_callbacks_full): ... this.
501 2010-04-28 Jan Hubicka <jh@suse.cz>
503 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
504 (lto_varpool_replace_node): New.
505 (lto_symtab_resolve_symbols): Resolve varpool nodes.
506 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
507 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
508 * cgraph.h (varpool_node_ptr): New type.
509 (varpool_node_ptr): New vector.
510 (varpool_node_set_def): New structure.
511 (varpool_node_set): New type.
512 (varpool_node_set): New vector.
513 (varpool_node_set_element_def): New structure.
514 (varpool_node_set_element, const_varpool_node_set_element): New types.
515 (varpool_node_set_iterator): New type.
516 (varpool_node): Add prev pointers, add used_from_other_partition,
518 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
519 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
520 varpool_get_node, varpool_remove_node): Declare.
521 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
522 varpool_node_set_size): New inlines.
523 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
524 * tree-pass.h (varpool_node_set_def): Forward declare.
525 (ipa_opt_pass_d): Summary writting takes vnode sets too.
526 (ipa_write_optimization_summaries): Update prototype.
527 * ipa-cp.c (ipcp_write_summary): Update.
528 * ipa-reference.c (ipa_reference_write_summary): Update.
529 * lto-cgraph.c (lto_output_varpool_node): New static function.
530 (output_varpool): New function.
531 (input_varpool_node): New static function.
532 (input_varpool_1): New function.
533 (input_cgraph): Input varpool.
534 * ipa-pure-const.c (pure_const_write_summary): Update.
535 * lto-streamer-out.c (lto_output): Update, output varpool too.
536 (write_global_stream): Kill WPA hack.
537 (produce_asm_for_decls): Update.
538 (output_alias_pair_p): Handle variables.
539 (output_unreferenced_globals): Output only needed partition of varpool.
540 * ipa-inline.c (inline_write_summary): Update.
541 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
543 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
544 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
545 varpool_node_set_new, varpool_node_set_add,
546 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
547 debug_varpool_node_set): New functions.
548 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
549 (execute_one_pass): Process new decls too.
550 (ipa_write_summaries_2): Pass around vsets.
551 (ipa_write_summaries_1): Likewise.
552 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
554 (ipa_write_optimization_summaries_1): Pass around vsets.
555 (ipa_write_optimization_summaries): Likewise.
556 * varpool.c (varpool_get_node): New.
557 (varpool_node): Update doubly linked lists.
558 (varpool_remove_node): New.
559 (dump_varpool_node): More dumping.
560 (varpool_enqueue_needed_node): Update doubly linked lists.
561 (decide_is_variable_needed): Kill ltrans hack.
562 (varpool_finalize_decl): Kill lto hack.
563 (varpool_assemble_decl): Skip decls in other partitions.
564 (varpool_assemble_pending_decls): Update doubly linkes lists.
565 (varpool_empty_needed_queue): Likewise.
566 (varpool_extra_name_alias): Likewise.
567 * lto-streamer.c (lto_get_section_name): Add vars section.
568 * lto-streamer.h (lto_section_type): Update.
569 (output_varpool, input_varpool): Declare.
571 2010-04-28 Mike Stump <mikestump@comcast.net>
573 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
575 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
577 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
578 record or union type with RECORD_OR_UNION_TYPE_P predicate.
579 (lto_input_ts_type_tree_pointers): Likewise.
580 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
581 (lto_output_ts_type_tree_pointers): Likewise.
583 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
585 Uniquization of constants at the Tree level
586 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
587 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
589 (tree_output_constant_def): Declare.
590 * gimplify.c (gimplify_init_constructor): When using block copy, first
591 uniquize the constant constructor on the RHS.
592 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
593 DECL_IN_CONSTANT_POOL flag.
594 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
595 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
597 (assemble_variable): Deal with symbols belonging to the tree constant
599 (get_constant_section): Add ALIGN parameter and simplify.
600 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
601 (assemble_constant_contents): Use the expression of the VAR_DECL.
602 (output_constant_def_contents): Use the alignment of the VAR_DECL.
603 (tree_output_constant_def): New global function.
604 (mark_constant): Use the expression of the VAR_DECL.
605 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
607 (output_object_block): Likewise and assemble the expression.
609 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
611 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
612 hash_tree, eq_tree): New tree hash table.
613 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
614 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
615 lto_orig_address_remove): Reimplement.
617 2010-04-28 Xinliang David Li <davidxl@google.com>
620 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
621 (compute_uninit_opnds_pos): New function.
622 (is_non_loop_exit_postdominating): New function.
623 (compute_control_dep_chain): New function.
624 (find_pdom): New function.
625 (convert_control_dep_chain_into_preds): New function.
626 (find_predicates): New function.
627 (find_control_equiv_block): New function.
628 (collect_phi_def_edges): New function.
629 (find_def_preds): New function.
630 (find_dom): New function.
631 (dump_predicates): New function.
632 (get_cmp_code): New function.
633 (is_value_included_in): New function.
634 (find_matching_predicate_in_rest_chains): New function.
635 (use_pred_not_overlap_with_undef_path_pred): New function.
636 (is_use_properly_guarded): New function.
637 (normalize_cond_1): New function.
638 (is_and_or_or): New function.
639 (normalize_cond): New function.
640 (is_gcond_subset_of): New function.
641 (is_subset_of_any): New function.
642 (is_or_set_subset_of): New function.
643 (is_and_set_subset_of): New function.
644 (is_norm_cond_subset_of): New function.
645 (is_pred_expr_subset_of): New function.
646 (is_pred_chain_subset_of): New function.
647 (is_included_in): New function.
648 (is_superset_of): New function.
649 (find_uninit_use): New function.
650 (warn_uninitialized_phi): New function.
651 (compute_possibly_undefined_names): New function.
652 (ssa_undefined_value_p): New function.
653 (execute_late_warn_uninitialized): New function.
654 * tree-ssa.c (ssa_undefined_value_p): Removed.
655 (warn_uninit): Changed to extern.
656 (warn_uninitialized_phi): Removed.
657 (warn_uninitialized_vars): Changed to extern.
658 (execute_late_warn_uninitialized): Removed
659 * tree-flow.h: Add new prototypes.
660 * timevar.def: Add new time variable.
661 * Makefile.in: Add new build file.
663 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
665 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
668 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
671 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
673 2010-04-28 Martin Jambor <mjambor@suse.cz>
675 * cgraph.h (struct cgraph_node): New field indirect_calls.
676 (struct cgraph_indirect_call_info): New type.
677 (struct cgraph_edge): Removed field indirect_call. New fields
678 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
679 (cgraph_create_indirect_edge): Declare.
680 (cgraph_make_edge_direct): Likewise.
681 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
682 * ipa-prop.h (struct ipa_param_call_note): Removed.
683 (struct ipa_node_params): Removed field param_calls.
684 (ipa_create_all_structures_for_iinln): Declare.
685 * cgraph.c: Described indirect edges and uids in initial comment.
686 (cgraph_add_edge_to_call_site_hash): New function.
687 (cgraph_edge): Search also among the indirect edges, use
688 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
689 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
690 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
692 (initialize_inline_failed): Assign a reason to indirect edges.
693 (cgraph_create_edge_1): New function.
694 (cgraph_create_edge): Moved some functionality to
695 cgraph_create_edge_1.
696 (cgraph_create_indirect_edge): New function.
697 (cgraph_edge_remove_callee): Add an assert checking for
699 (cgraph_edge_remove_caller): Special-case indirect edges.
700 (cgraph_remove_edge): Likewise.
701 (cgraph_set_edge_callee): New function.
702 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
703 (cgraph_make_edge_direct): New function.
704 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
705 the declaration of the call statement matches.
706 (cgraph_node_remove_callees): Special-case indirect edges.
707 (cgraph_clone_edge): Likewise.
708 (cgraph_clone_node): Clone also the indirect edges.
709 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
710 indirect_call, dump count of indirect_calls edges.
711 * ipa-prop.c (iinlining_processed_edges): New variable.
712 (ipa_note_param_call): Create indirect edges instead of
713 creating notes. New parameter node.
714 (ipa_analyze_call_uses): New parameter node, pass it on to
716 (ipa_analyze_stmt_uses): Likewise.
717 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
718 (print_edge_addition_message): Work on edges rather than on notes.
719 (update_call_notes_after_inlining): Likewise, renamed to
720 update_indirect_edges_after_inlining.
721 (ipa_create_all_structures_for_iinln): New function.
722 (ipa_free_node_params_substructures): Do not free notes.
723 (ipa_edge_duplication_hook): Propagate bits within
724 iinlining_processed_edges bitmap.
725 (ipa_node_duplication_hook): Do not duplicate notes.
726 (free_all_ipa_structures_after_ipa_cp): Renamed to
727 ipa_free_all_structures_after_ipa_cp.
728 (free_all_ipa_structures_after_iinln): Renamed to
729 ipa_free_all_structures_after_iinln.g
730 (ipa_write_param_call_note): Removed.
731 (ipa_read_param_call_note): Removed.
732 (ipa_write_indirect_edge_info): New function.
733 (ipa_read_indirect_edge_info): Likewise.
734 (ipa_write_node_info): Do not stream notes, do stream information
736 (ipa_read_node_info): Likewise.
737 (lto_ipa_fixup_call_notes): Removed.
738 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
739 * ipa-inline.c (pass_ipa_inline): Likewise.
740 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
741 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
742 * tree-inline.c (copy_bb): Removed an unnecessary double check for
744 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
746 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
747 (output_cgraph): Stream also indirect edges.
748 (lto_output_edge): Added capability to stream indirect edges.
749 (input_edge): Likewise.
750 (input_cgraph_1): Likewise.
751 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
754 2010-04-28 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/43879
757 PR tree-optimization/43909
758 * tree-ssa-structalias.c (struct variable_info): Add
759 only_restrict_pointers flag.
760 (new_var_info): Initialize it. Increment stats.total_vars here.
761 (create_function_info_for): Do not increment stats.total_vars
763 (get_function_part_constraint): Fix build with C++.
764 (insert_into_field_list): Remove.
765 (push_fields_onto_fieldstack): Properly merge fields.
766 (create_variable_info_for): Split and simplify.
767 (create_variable_info_for_1): New piece.
768 (intra_create_variable_infos): Properly make restrict constraints
771 2010-04-28 Richard Guenther <rguenther@suse.de>
774 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
776 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
777 Jan Hubicka <hubicka@ucw.cz>
779 * doc/invoke.texi (-Wsuggest-attribute=const,
780 -Wsuggest-attribute=pure): Document.
781 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
782 (function_always_visible_to_compiler_p,
783 suggest_attribute, warn_function_pure, warn_function_const):
785 (check_call): Improve debug info.
786 (analyze_function): Do not check availability.
787 (add_new_function): Check availability.
788 (propagate): Output warnings.
789 (skip_function_for_local_pure_const): New function.
790 (local_pure_const): Use it; output warnings.
791 * common.opt (Wsuggest-attribute=const,
792 Wsuggest-attribute=pure): New.
794 2010-04-27 Jakub Jelinek <jakub@redhat.com>
796 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
797 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
798 or DW_CFA_def_cfa_offset{,_sf}.
800 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
802 * tree.h: Fix truncated long macros.
804 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
806 * collect2.c (TARGET_64BIT): Redefine to target's default.
808 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
809 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
810 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
811 for underscoring __USER_LABEL_PREFIX__.
812 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
813 (SUB_LINK_ENTRY32): New.
814 (SUB_LINK_ENTRY64): New.
815 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
816 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
817 (SUB_LINK_ENTRY64): New.
818 (SUB_LINK_ENTRY): New.
819 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
820 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
821 x64 target is choosen.
822 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
823 * configure: Regenerated.
824 * configure.ac (leading-mingw64-underscores): Option added.
826 2010-04-27 Jan Hubicka <jh@suse.cz>
828 * doc/invoke.texi (-fipa-profile): Document.
829 * opts.c (decode_options): Enable ipa-profile at -O1.
830 * timevar.def (TV_IPA_PROFILE): Define.
831 * common.opt (fipa-profile): Add.
832 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
834 (cgraph_propagate_frequency): Handle only local ones.
835 * tree-pass.h (pass_ipa_profile): Declare.
836 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
837 (pass_ipa_profile): Use TV_IPA_PROFILE.
838 * ipa.c (ipa_profile): New function.
839 (gate_ipa_profile): Likewise.
840 (pass_ipa_profile): New global variable.
841 * passes.c (pass_ipa_profile): New.
843 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
845 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
847 2010-04-27 Martin Jambor <mjambor@suse.cz>
850 * ipa.c (dissolve_same_comdat_group_list): New function.
851 (function_and_variable_visibility): Call
852 dissolve_same_comdat_group_list when comdat group contains external or
854 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
855 lists are circular and that they contain only DECL_ONE_ONLY nodes.
857 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
859 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
860 (const_hash_1) <VECTOR_CST>: New case.
861 (compare_constant) <VECTOR_CST>: Likewise.
862 <ADDR_EXPR>: Deal with LABEL_REFs.
863 (copy_constant) <VECTOR_CST>: New case.
865 2010-04-27 Jan Hubicka <jh@suse.cz>
867 * cgraph.c (cgraph_propagate_frequency): New function.
868 * cgraph.h (cgraph_propagate_frequency): Declare.
869 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
870 cgraph_propagate_frequency.
872 2010-04-27 Jakub Jelinek <jakub@redhat.com>
874 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
876 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
879 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
880 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
881 here to determine which regs to push and how much stack to reserve.
883 2010-04-27 Jie Zhang <jie@codesourcery.com>
885 * doc/gimple.texi (gimple_statement_with_ops): Remove
886 addresses_taken field.
887 (gimple_statement_with_memory_ops): Likewise.
889 2010-04-27 Jan Hubicka <jh@suse.cz>
891 * tree-inline.c (eni_inlining_weights): Remove.
892 (estimate_num_insns): Special case more builtins.
894 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
897 * c-typeck.c (build_binary_op): Move forward check for comparison
898 pointer with null pointer constant and adjust the diagnostic message.
900 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
903 * configure.ac (gcc_cv_as_section_has_align): Set if installed
904 binutils supports extended .section directive needed by LTO, or
905 warn if older binutils found.
906 (LTO_BINARY_READER): New AC_SUBST'd variable.
907 (LTO_USE_LIBELF): Likewise.
908 * gcc/config.gcc (lto_binary_reader): New target-specific configure
910 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
911 (LTO_USE_LIBELF): Likewise.
912 * configure: Regenerate.
914 * collect2.c (is_elf): Rename from this ...
915 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
916 object files in addition to ELF-formatted ones.
917 (scan_prog_file): Caller updated. Also allow for LTO info marker
918 symbol to be prefixed or not by an extra underscore.
920 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
921 * config/i386/winnt.c: Also #include lto-streamer.h
922 (i386_pe_asm_named_section): Specify 1-byte section alignment for
924 (i386_pe_asm_output_aligned_decl_common): Add comment.
925 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
927 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
930 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
931 Add missing earlyclobber for second alternative.
933 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
935 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
936 bits for artificial defs at the top of the block.
937 * fwprop.c (single_def_use_enter_block): Don't call it.
939 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
942 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
943 instead of "$gcc_cv_objdump -T".
944 Use "-undefined dynamic_lookup" on darwin.
945 * gcc/configure: Regenerate.
947 2010-04-26 Jakub Jelinek <jakub@redhat.com>
950 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
952 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
954 * c-parser.c (struct c_token): Move location field up.
955 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
956 (struct c_declspecs): Convert typespec_word, storage_class, and
957 default_int_p into bitfields.
958 (struct c_declarator): Move loc field up.
960 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
962 * cfgloop.h (struct loop): Move can_be_parallel field up.
963 * ipa-prop.h (struct ip_node_params): Move bitfields up.
964 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
966 (struct iv_cand): Convert pos field into a bitfield.
967 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
969 (struct _stmt_vec_info): Shuffle fields for better packing.
971 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
973 * varasm.c (IN_NAMED_SECTION): Remove guard.
974 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
975 (IN_NAMED_SECTION_P): ...this.
976 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
977 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
979 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
981 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
982 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
983 of shadowing it. Fix comments.
985 2010-04-26 Jan Hubicka <jh@suse.cz>
987 * cgraph.c (cgraph_create_node): Set node frequency to normal.
988 (cgraph_clone_node): Copy function frequency.
989 * cgraph.h (node_frequency): New enum
990 (struct cgraph_node): Add.
991 * final.c (rest_of_clean_state): Update.
992 * lto-cgraph.c (lto_output_node): Output node frequency.
993 (input_overwrite_node): Input node frequency.
994 * tre-ssa-loop-ivopts (computation_cost): Update.
995 * lto-streamer-out.c (output_function): Do not output function
997 * predict.c (maybe_hot_frequency_p): Update and handle functions
999 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1001 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1002 (compute_function_frequency): Set noreturn functions to be executed
1004 (choose_function_section): Update.
1005 * lto-streamer-in.c (input_function): Do not input function frequency.
1006 * function.c (allocate_struct_function): Do not initialize function
1008 * function.h (function_frequency): Remove.
1009 (struct function): Remove function frequency.
1010 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1011 (try_update): Update.
1012 * tree-inline.c (initialize_cfun): Do not update function frequency.
1013 * passes.c (pass_init_dump_file): Update.
1014 * i386.c (ix86_compute_frame_layout): Update.
1015 (ix86_pad_returns): Update.
1017 2010-04-26 Jie Zhang <jie@codesourcery.com>
1019 PR tree-optimization/43833
1020 * tree-vrp.c (range_int_cst_p): New.
1021 (range_int_cst_singleton_p): New.
1022 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1023 when both operands are constants. Use range_int_cst_p in
1026 2010-04-26 Jan Hubicka <jh@suse.cz>
1028 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1030 2010-04-26 Richard Guenther <rguenther@suse.de>
1033 * gimple.c (gimple_decl_printable_name): Deal gracefully
1034 with a NULL DECL_NAME.
1036 2010-04-26 Richard Guenther <rguenther@suse.de>
1039 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1040 if emitting debug information and it is either a function
1041 or a namespace decl.
1043 2010-04-26 Ira Rosen <irar@il.ibm.com>
1045 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1046 determine if the statement is vectorizable, and a macro to access it.
1047 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1048 Skip statements that can't be vectorized. If the analysis fails,
1049 mark the statement as unvectorizable if vectorizing basic block.
1050 (vect_compute_data_refs_alignment): Likewise.
1051 (vect_verify_datarefs_alignment): Skip statements marked as
1052 unvectorizable. Add print.
1053 (vect_analyze_group_access): Skip statements that can't be
1054 vectorized. If the analysis fails, mark the statement as
1055 unvectorizable if vectorizing basic block.
1056 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1057 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1058 generated stmts for SLP.
1059 (new_stmt_vec_info): Initialize the new field.
1060 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1061 statements marked as unvectorizable.
1063 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1065 * c-common.c (flag_isoc1x): New.
1066 (flag_isoc99): Update comment.
1067 * c-common.h (flag_isoc1x): New.
1068 (flag_isoc99): Update comment.
1069 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1070 __<type>_DECIMAL_DIG__.
1071 * c-opts.c (set_std_c1x): New.
1072 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1073 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1074 * c.opt (-std=c1x, -std=gnu1x): New options.
1075 * doc/cpp.texi: Mention -std=c1x.
1076 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1077 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1078 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1079 * doc/standards.texi: Mention C1X.
1080 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1081 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1082 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1085 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1087 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1088 placeholder from 0x%x to %#x.
1089 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1090 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1091 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1092 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1093 * config/i386/i386.c (ix86_target_string): Ditto.
1094 (output_pic_addr_const): Ditto.
1095 (print_operand): Ditto.
1097 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1099 * combine.c (find_split_point): Add third argument. Use it
1100 to find nested multiply-accumulate instructions. Adjust calls.
1101 (try_combine): Adjust call to find_split_point.
1103 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1105 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1107 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1109 PR tree-optimization/41442
1110 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1111 (fold_binary_loc): Call it.
1113 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1115 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1116 * opts.c (common_handle_option): Allow disabling it.
1117 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1119 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1121 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1122 between modes if both types are integral.
1124 2010-04-23 Richard Guenther <rguenther@suse.de>
1126 PR tree-optimization/43572
1127 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1129 2010-04-23 Richard Guenther <rguenther@suse.de>
1132 * tree-inline.c (tree_can_inline_p): Also check compatibility
1135 2010-04-23 Martin Jambor <mjambor@suse.cz>
1137 PR tree-optimization/43846
1138 * tree-sra.c (struct access): New flag grp_assignment_read.
1139 (build_accesses_from_assign): Set grp_assignment_read.
1140 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1141 (enum mark_read_status): New type.
1142 (analyze_access_subtree): Propagate grp_assignment_read, create
1143 accesses also if both direct_read and root->grp_assignment_read.
1145 2010-04-23 Martin Jambor <mjambor@suse.cz>
1148 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1149 function does not have type attributes.
1151 2010-04-23 Richard Guenther <rguenther@suse.de>
1154 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1157 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1159 * sese.h (create_if_region_on_edge): Remove.
1161 * sese.c (create_if_region_on_edge): Make static.
1163 * tree-inline.c: Do not include ggc.h.
1165 * expr.c: Do not include ggc.h.
1167 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1170 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1173 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1174 in the middle of insns for casesi_worker_2.
1176 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1178 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1180 2010-04-22 Ira Rosen <irar@il.ibm.com>
1182 PR tree-optimization/43842
1183 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1184 loop unrolling in update of exit phis. Fix comment.
1185 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1186 least two reduction statements in the loop before starting SLP
1189 2010-04-22 Nick Clifton <nickc@redhat.com>
1191 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1193 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1195 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1198 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1200 * tree-parloops.c (loop_parallel_p): New argument
1201 parloop_obstack. Pass it down.
1202 (parallelize_loops): New variable parloop_obstack. Initialize it,
1203 pass it down, free it.
1205 * tree-loop-linear.c (linear_transform_loops): Pass down
1208 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1209 of type struct obstack *.
1211 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1212 scratch_obstack. Initialize it, pass down, free it.
1214 * lambda.h (lambda_loop_new): Remove.
1215 (lambda_matrix_new, lambda_matrix_inverse)
1216 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1217 argument of type struct obstack *.
1219 * lambda-trans.c (lambda_trans_matrix_new): New argument
1220 lambda_obstack. Pass it down, use obstack allocation for ret.
1221 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1224 * lambda-mat.c (lambda_matrix_get_column)
1225 (lambda_matrix_project_to_null): Remove.
1226 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1228 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1231 * lambda-code.c (lambda_loop_new): New function.
1232 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1233 (lambda_compute_auxillary_space, lambda_compute_target_space)
1234 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1235 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1236 (build_access_matrix): New argument lambda_obstack. Use obstack
1238 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1239 argument lambda_obstack. Pass it down.
1241 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1243 * optabs.h (expand_widening_mult): Declare.
1245 2010-04-22 Richard Guenther <rguenther@suse.de>
1247 PR tree-optimization/43845
1248 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1249 lookup the CALL_EXPR function and arguments.
1251 2010-04-22 Nick Clifton <nickc@redhat.com>
1253 * config/stormy16/stormy16.c
1254 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1255 * config/stormy16/stormy16.h: Tidy up formatting.
1256 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1257 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1258 (ineqbranchsi): Delete pattern.
1259 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1260 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1261 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1262 stormy16-lib2-ucmpsi2.c.
1264 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1266 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1267 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1268 extra set merge_set_noclobber, and use it to relax the final test
1270 * df.h (df_simulate_find_noclobber_defs): Declare.
1271 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1273 (df_simulate_find_noclobber_defs): New function.
1275 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1277 * config/i386/i386.md: Use {} around multi-line preparation statements.
1279 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1281 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1282 (process_init_element): New argument of type struct obstack *.
1284 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1285 (set_init_index, set_init_label, set_nonincremental_init)
1286 (set_nonincremental_init_from_string, find_init_member)
1287 (output_init_element, output_pending_init_elements)
1288 (process_init_element): New argument braced_init_obstack. Pass it
1290 (push_range_stack, add_pending_init): New argument
1291 braced_init_obstack. Use obstack allocation.
1293 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1294 braced_init_obstack. Pass it down.
1295 (c_parser_braced_init): New variables ret, braced_init_obstack.
1296 Initialize obstack, pass it down and finally free it.
1298 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1301 * tree-pass.h (pass_optimize_widening_mul): Declare.
1302 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1303 gate_optimize_widening_mul): New static functions.
1304 (pass_optimize_widening_mul): New.
1305 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1306 <case MULT_EXPR>: Remove support for widening multiplies.
1307 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1308 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1309 simplify_gen_unary rather than directly building extensions.
1310 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1312 * expmed.c (expand_widening_mult): New function.
1313 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1315 2010-04-21 Jan Hubicka <jh@suse.cz>
1317 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1318 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1319 * lto-wpa-fixup.c: Remove.
1320 * Makefile.in (lto-wpa-fixup.o): Remove.
1321 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1322 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1323 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1325 2010-04-21 Jan Hubicka <jh@suse.cz>
1327 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1328 add write_optimization_summary, read_optimization_summary.
1329 (ipa_write_summaries_of_cgraph_node_set): Remove.
1330 (ipa_write_optimization_summaries): Declare.
1331 (ipa_read_optimization_summaries): Declare.
1332 * ipa-cp.c (pass_ipa_cp): Update.
1333 * ipa-reference.c (pass_ipa_reference): Update.
1334 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1335 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1337 * ipa-inline.c (pass_ipa_inline): Update.
1338 * ipa.c (pass_ipa_whole_program): Update.
1339 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1340 * passes.c (ipa_write_summaries_1): Do not test wpa.
1341 (ipa_write_optimization_summaries_1): New.
1342 (ipa_write_optimization_summaries): New.
1343 (ipa_read_summaries): Do not test ltrans.
1344 (ipa_read_optimization_summaries_1): New.
1345 (ipa_read_optimization_summaries): New.
1347 2010-04-21 Jan Hubicka <jh@suse.cz>
1349 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1351 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1353 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1356 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1357 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1359 2010-04-21 Jan Hubicka <jh@suse.cz>
1361 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1363 2010-04-21 Jan Hubicka <jh@suse.cz>
1365 * varpool.c (decide_is_variable_needed): Variable is always needed
1368 2010-04-21 Jan Hubicka <jh@suse.cz>
1370 * opts.c (decode_options): Enable pure-const pass for whopr.
1372 2010-04-21 Jan Hubicka <jh@suse.cz>
1374 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1375 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1377 (cgraph_decide_inlining): Do not expect callee to be removed in all
1380 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1382 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1384 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1386 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1387 amdfam10_decode attributes.
1389 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1392 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1393 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1394 (lower_copyprivate_clauses): Use private var in outer
1395 context instead of original var. Make sure the types
1396 are correct for VLAs.
1398 2010-04-21 Richard Guenther <rguenther@suse.de>
1400 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1401 to non-pointer objects.
1403 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1405 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1406 last chain entry if it starts with the still current label.
1407 (add_location_or_const_value_attribute): Check that
1408 loc_list->first->next is NULL instead of comparing ->first with ->last.
1409 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1410 to add_var_loc_to_decl.
1412 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1413 >= 4 add also address size and segment size fields into CIE header.
1415 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1416 long as address size is the same as sizeof (void *) and
1418 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1419 address size or segment size is unexpected, return DW_EH_PE_omit.
1420 (classify_object_over_fdes): If get_cie_encoding returned
1421 DW_EH_PE_omit, return -1.
1422 (init_object): If classify_object_over_fdes returned -1,
1423 pretend there were no FDEs at all.
1425 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1427 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1428 bswap{si,di}2 using SWI48 mode iterator.
1429 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1430 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1431 set modrm attribute of bswap insn to 0 and remove length attribute.
1432 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1433 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1434 set mode attribute to <MODE> and remove length attribute.
1436 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1438 PR rtl-optimization/43520
1439 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1440 zero available registers.
1442 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1444 * builtins.c (fold_builtin_cproj): Fold more cases.
1446 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1448 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1449 (fold_builtin_1): Fold builtin cproj.
1450 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1451 Use ATTR_CONST_NOTHROW_LIST.
1453 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1455 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1456 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1457 ffsi2_no_cmove for !TARGET_CMOVE.
1458 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1459 (ffssi2): Remove expander.
1460 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1462 (ctz<mode>2): Ditto from ctz{si,di}2.
1463 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1465 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1468 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1470 * dwarf2out.c (AT_linkage_name): Define.
1471 (clone_as_declaration): Handle DW_AT_linkage_name.
1472 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1473 of DW_AT_MIPS_linkage_name.
1474 (move_linkage_attr): Likewise.
1475 (dwarf2out_finish): Likewise.
1477 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1480 * fold-const.c (fold_comparison): New folding rule.
1482 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1484 * double-int.h (double_int_setbit): Declare.
1485 * double-int.c (double_int_setbit): New function.
1486 * rtl.h (immed_double_int_const): Declare.
1487 * emit-rtl.c (immed_double_int_const): New function.
1488 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1489 and immed_double_int_const functions.
1490 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1491 expand_copysign_bit): (Ditto.).
1492 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1493 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1494 * dojump.c (prefer_and_bit_test): (Ditto.).
1495 * expr.c (convert_modes, reduce_to_bit_field_precision,
1496 const_vector_from_tree): (Ditto.).
1497 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1499 2010-04-20 Jan Hubicka <jh@suse.cz>
1501 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1502 (dump_cgraph_node): Dump new flags.
1503 * cgraph.h (struct cgraph_node): Add flags
1504 reachable_from_other_partition and in_other_partition.
1505 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1506 other partition can not be removed.
1507 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1508 the other partition must be output; silence sanity checking on
1509 leaking functions bodies from other paritition.
1510 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1511 (lto_output_node): Output new flags; do not sanity check that inline
1512 clones are output; drop lto_forced_extern_inline_p code; do not mock
1513 visibility flags at partition boundaries.
1514 (add_node_to): New function.
1515 (output_cgraph): Use it to sort functions so masters appear before
1517 (input_overwrite_node): Input new flags.
1518 * passes.c (ipa_write_summaries): Do not call
1519 lto_new_extern_inline_states.
1520 * lto-section-out.c (forced_extern_inline,
1521 lto_new_extern_inline_states lto_delete_extern_inline_states,
1522 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1523 * lto-streamer.h (lto_new_extern_inline_states,
1524 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1525 lto_forced_extern_inline_p): Kill.
1527 2010-04-20 Richard Guenther <rguenther@suse.de>
1529 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1530 from vars that can have pointers.
1531 (process_constraint): Dump useless constraints.
1533 2010-04-20 Richard Guenther <rguenther@suse.de>
1535 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1536 (dump_sa_points_to_info): Remove asserts.
1537 (init_base_vars): nothing_id isn't an escape point nor does it
1540 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1542 * tree.h (TYPE_REF_IS_RVALUE): Define.
1543 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1544 should_move_die_to_comdat, prune_unused_types_walk): Handle
1545 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1546 (modified_type_die, gen_reference_type_die): Emit
1547 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1548 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1550 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1553 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1554 calls for -fpic -m31 if they have been sibcall optimized.
1556 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1558 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1559 ar.lc fixed and call-used.
1561 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1563 2010-04-19 Jan Hubicka <jh@suse.cz>
1565 * opts.c (decode_options): Disable whpr incompatible passes.
1566 * lto/lto.c (lto_1_to_1_map): Skip clones.
1567 (read_cgraph_and_symbols): Do not mark everything as needed.
1568 (do_whole_program_analysis): Do map only after optimizing;
1569 set proper cgraph_state; use passmanager.
1571 2010-04-19 DJ Delorie <dj@redhat.com>
1573 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1574 POINTER_PLUS_EXPR and fix them.
1576 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1578 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1579 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1580 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1581 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1582 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1583 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1584 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1585 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1586 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1587 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1588 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1590 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1592 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1593 (check_cond_move_block): Likewise.
1594 (cond_move_process_if_block): Likewise.
1595 (noce_find_if_block): Improve formatting.
1596 (find_if_header): Pass 0 to memset and tweak conditions.
1597 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1599 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1601 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1605 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1606 with non-local decl doesn't need chain.
1608 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1610 * ira-color.c (allocno_reload_assign): Avoid accumulating
1611 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1613 2010-04-19 Martin Jambor <mjambor@suse.cz>
1615 * gimple.h (create_tmp_reg): Declare.
1616 * gimplify.c (create_tmp_reg): New function.
1617 (gimplify_return_expr): Use create_tmp_reg.
1618 (gimplify_omp_atomic): Likewise.
1619 (gimple_regimplify_operands): Likewise.
1620 * tree-dfa.c (make_rename_temp): Likewise.
1621 * tree-predcom.c (predcom_tmp_var): Likewise.
1622 (reassociate_to_the_same_stmt): Likewise.
1623 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1624 (get_replaced_param_substitute): Likewise.
1625 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1626 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1627 * tree-ssa-pre.c (get_representative_for): Likewise.
1628 (create_expression_by_pieces): Likewise.
1629 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1630 (create_tailcall_accumulator): Likewise.
1632 2010-04-19 Martin Jambor <mjambor@suse.cz>
1634 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1636 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1638 2010-04-19 Richard Guenther <rguenther@suse.de>
1640 PR tree-optimization/43796
1641 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1642 from SCEV in the lattice.
1643 (vrp_visit_phi_node): Dump change.
1645 2010-04-19 Richard Guenther <rguenther@suse.de>
1647 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1648 * configure: Re-generated.
1650 2010-04-19 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/43783
1653 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1654 constant ARRAY_REF operands two and three if possible.
1656 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1659 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1661 2010-04-19 Jie Zhang <jie@codesourcery.com>
1664 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1666 2010-04-19 Ira Rosen <irar@il.ibm.com>
1668 PR tree-optimization/37027
1669 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1670 and macro to access it.
1671 (vectorizable_reduction): Add argument.
1672 (vect_get_slp_defs): Likewise.
1673 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1674 statements for possible use in SLP.
1675 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1676 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1677 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1679 (vectorizable_reduction): Likewise.
1680 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1682 (vectorizable_type_demotion, vectorizable_type_promotion,
1683 vectorizable_store): Likewise.
1684 (vect_analyze_stmt): Update call to vectorizable_reduction.
1685 (vect_transform_stmt): Likewise.
1686 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1687 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1688 from different interleaving chains in same node.
1689 (vect_slp_rearrange_stmts): New function.
1690 (vect_supported_load_permutation_p): Allow load permutations for
1691 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1692 inside SLP nodes if necessary.
1693 (vect_analyze_slp_instance): Handle reductions.
1694 (vect_analyze_slp): Try to build SLP instances originating from groups
1696 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1697 (vect_get_constant_vectors): Create initial vectors for reductions
1698 according to reduction code. Add new argument.
1699 (vect_get_slp_defs): Add new argument, pass it to
1700 vect_get_constant_vectors.
1701 (vect_schedule_slp_instance): Remove SLP tree root statements.
1703 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1705 * tree.h (ENUM_IS_SCOPED): Define.
1706 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1707 for ENUM_IS_SCOPED enums.
1709 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1711 * fold-const.c (fold_comparison): Use ssizetype.
1712 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1713 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1714 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1715 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1717 * tree.h (initialize_sizetypes): Remove parameter.
1718 (build_common_tree_nodes): Remove second parameter.
1719 * stor-layout.c (initialize_sizetypes): Remove parameter.
1720 Always create an unsigned type.
1721 (set_sizetype): Assert that the passed type is unsigned and simplify.
1722 * tree.c (build_common_tree_nodes): Remove second parameter.
1723 Adjust call to initialize_sizetypes.
1724 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1725 build_common_tree_nodes.
1727 2010-04-18 Matthias Klose <doko@ubuntu.com>
1729 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1731 2010-04-18 Ira Rosen <irar@il.ibm.com>
1733 PR tree-optimization/43771
1734 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1735 load permutation doesn't have gaps.
1737 2010-04-18 Jan Hubicka <jh@suse.cz>
1739 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1740 (sse_prologue_save_insn expander): Use new pattern.
1741 (sse_prologue_save_insn1): New pattern and splitter.
1742 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1744 * i386.c (setup_incoming_varargs_64): Do not compute jump
1746 (ix86_gimplify_va_arg): Update alignment needed.
1747 (ix86_local_alignment): Do not align all local arrays to 128bit.
1749 2010-04-17 Jan Hubicka <jh@suse.cz>
1751 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1753 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1755 * arm.md (negdi2): Remove redundant code to force values into a
1758 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1760 * arm/bpabi.S: Add EABI alignment attributes to objects.
1761 * arm/bpabi-v6m.S: Likewise.
1762 * arm/crti.asm: Likewise.
1763 * arm/crtn.asm: Likewise.
1764 * arm/lib1funcs.asm: Likewise.
1765 * arm/libunwind.S: Likewise.
1767 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1769 * arm-protos.h (tune_params): New structure.
1770 * arm.c (current_tune): New variable.
1771 (arm_constant_limit): Delete.
1772 (struct processors): Add pointer to the tune parameters.
1773 (arm_slowmul_tune): New tuning option.
1774 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1775 (all_cores): Adjust to pick up the tuning model.
1776 (arm_constant_limit): New function.
1777 (arm_override_options): Select the appropriate tuning model. Delete
1778 initialization of arm_const_limit.
1779 (arm_split_constant): Use the new constant-limit model.
1780 (arm_rtx_costs): Pick up the current tuning model.
1781 * arm.md (is_strongarm, is_xscale): Delete.
1782 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1783 for Xscale variant architectures.
1784 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1786 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1788 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1790 (arm_rtx_costs_1): Remove unused variable extra_cost.
1791 (arm_unwind_emit_set): Use variable offset.
1792 (thumb1_output_casesi): Remove unused variable flags.
1794 2010-04-16 Jeff Law <law@redhat.com>
1796 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1797 needing assignment rather than doing a two-phase assignment. Remove
1798 unused variable 'm'.
1800 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1803 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1805 2010-04-16 Doug Kwan <dougkwan@google.com>
1807 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1808 (next_operand_entry_id): New static variable.
1809 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1810 (add_to_ops_vec): Assigned unique ID to operand entry.
1811 (struct oecount_s): New field ID.
1812 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1813 (undistribute_ops_list): Assign unique IDs to oecounts.
1814 (init_reassoc): reset next_operand_entry_id.
1816 2010-04-16 Doug Kwan <dougkwan@google.com>
1818 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1819 missing left parenthesis.
1821 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1823 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1824 *btdi_rex64 using SWI48 mode iterator.
1825 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1826 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1827 *jcc_btdi_mask_rex64.
1829 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1831 * double-int.h (tree_to_double_int): Convert to macro.
1832 * double-int.c (tree_to_double_int): Remove.
1834 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1837 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1838 with want_address 2 and in case a single element list might be
1839 possible, call it again with want_address 0.
1841 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1843 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1844 case 'W' print operands for HI mode.
1845 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1846 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1847 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1848 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1850 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1852 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1853 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1854 #xx:3 and #xx:4 mode.
1856 * config/h8300/h8300.md (inverted load with HImode dest): Add
1857 support for H8300SX.
1859 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1860 satisfy 'U' constraint.
1862 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1864 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1865 * configure: Regenerate.
1866 * config.in: Regenerate.
1867 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1870 2010-04-16 Richard Guenther <rguenther@suse.de>
1872 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1873 (struct tree_decl_common): ... here.
1874 (DECL_PT_UID): Adjust.
1875 (SET_DECL_PT_UID): Likewise.
1876 (DECL_PT_UID_SET_P): Likewise.
1878 2010-04-16 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/43572
1881 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1882 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1883 * tree-flow.h (is_call_clobbered): Remove.
1884 * tree-flow-inline.h (is_call_clobbered): Likewise.
1885 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1886 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1887 (execute_return_slot_opt): Adjust.
1888 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1889 check for call clobbered vars here.
1890 (find_tail_calls): Move tailcall verification to the
1893 2010-04-16 Diego Novillo <dnovillo@google.com>
1895 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1897 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1900 * config/arm/arm.md (cbranchqi4): New pattern.
1901 * config/arm/predicates.md (const0_operand,
1902 cbranchqi4_comparison_operator): New predicates.
1904 2010-04-16 Richard Guenther <rguenther@suse.de>
1906 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1907 (dump_gimple_stmt): Likewise.
1909 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1911 * recog.h (struct recog_data): New field is_operator.
1912 (struct insn_operand_data): New field is_operator.
1913 * recog.c (extract_insn): Set recog_data.is_operator.
1914 * genoutput.c (output_operand_data): Emit code to set the
1916 * reload.c (find_reloads): Use it rather than testing for an
1917 empty constraint string.
1920 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1921 If the previous insn is a cbranchsi4_insn with the same arguments,
1922 omit the compare instruction.
1924 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1925 register, inputs must be low registers and we need a low register
1926 scratch. Handle alternative 2 like alternative 3.
1928 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1930 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1931 don't call get_addr on both. If one expression is a VALUE and
1932 the other a REG, check VALUE's locs if the REG isn't among them.
1934 2010-04-16 Christian Bruel <christian.bruel@st.com>
1936 * config/sh/sh.h (sh_frame_pointer_required): New function.
1937 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1938 (flag_omit_frame_pointer) Set.
1939 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1940 (rounded_frame_size): Adjust size with outgoing_args_size.
1941 (sh_set_return_address): Must return from stack pointer.
1942 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1943 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1944 (ACCUMULATE_OUTGOING_ARGS): Define.
1945 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1946 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1948 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1951 * config/sh/sh.c (sh_legitimize_reload_address): Use
1952 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1953 Remove a unneeded check for offset_base.
1955 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1957 * configure: Regenerated.
1959 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1961 * config/s390/s390.c (s390_call_save_register_used): Switch back
1962 to HARD_REGNO_NREGS.
1964 2010-04-15 Richard Guenther <rguenther@suse.de>
1966 * alias.c (alias_set_subset_of): Handle alias-set zero
1969 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1970 Julian Brown <julian@codesourcery.com>
1972 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1973 alternatives according to use of high and low regs.
1974 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1975 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1976 optimizing for size on Thumb-2.
1978 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1980 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1982 2010-04-15 Richard Guenther <rguenther@suse.de>
1984 * tree-ssa-structalias.c (struct variable_info): Add
1986 (new_var_info): Initialize it.
1987 (dump_constraints): Support printing last added constraints.
1988 (debug_constraints): Adjust.
1989 (dump_constraint_graph): Likewise.
1990 (make_heapvar_for): Check for NULL cfun.
1991 (get_function_part_constraint): New function.
1992 (get_fi_for_callee): Likewise.
1993 (find_func_aliases): Properly implement IPA PTA constraints.
1994 (process_ipa_clobber): New function.
1995 (find_func_clobbers): Likewise.
1996 (insert_into_field_list_sorted): Remove.
1997 (create_function_info_for): Properly allocate vars for IPA mode.
1998 Do not use insert_into_field_list_sorted.
1999 (create_variable_info_for): Properly generate constraints for
2000 global vars in IPA mode.
2001 (dump_solution_for_var): Always dump the solution.
2002 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2003 (find_what_var_points_to): Adjust.
2004 (pt_solution_set): Change.
2005 (pt_solution_ior_into): New function.
2006 (pt_solution_empty_p): Export.
2007 (pt_solution_includes_global): Adjust.
2008 (pt_solution_includes_1): Likewise.
2009 (pt_solutions_intersect_1): Likewise.
2010 (dump_sa_points_to_info): Check some invariants.
2011 (solve_constraints): Move constraint dumping ...
2012 (compute_points_to_sets): ... here.
2013 (ipa_pta_execute): ... and here.
2014 (compute_may_aliases): Do not re-compute points-to info
2015 locally if IPA info is available.
2016 (ipa_escaped_pt): New global var.
2017 (ipa_pta_execute): Properly implement IPA PTA.
2018 * tree-into-ssa.c (dump_decl_set): Support dumping
2019 decls not in referenced-vars.
2020 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2021 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2022 (dump_points_to_solution): Likewise.
2023 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2024 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2025 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2026 (copy_decl_to_var): Copy DECL_PT_UID.
2027 (copy_result_decl_to_var): Likewise.
2028 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2029 (copy_node_stat): Copy it.
2030 * tree.h (DECL_PT_UID): New macro.
2031 (SET_DECL_PT_UID): Likewise.
2032 (DECL_PT_UID_SET_P): Likewise.
2033 (struct tree_decl_minimal): Add pt_uid member.
2034 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2035 (pt_solution_empty_p): Declare.
2036 (pt_solution_set): Adjust.
2037 (ipa_escaped_pt): Declare.
2038 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2039 * gimple-pretty-print.c (pp_points_to_solution): New function.
2040 (dump_gimple_call): Dump call clobber/use information.
2041 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2042 * tree-pass.h (TDF_ALIAS): New dump option.
2043 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2044 * doc/invoke.texi (-fipa-pta): Update documentation.
2046 2010-04-15 Richard Guenther <rguenther@suse.de>
2048 * Makefile.in (OBJS-common): Add gimple-fold.o.
2049 (gimple-fold.o): New rule.
2050 * tree.h (maybe_fold_offset_to_reference,
2051 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2053 * gimple.h: ... here.
2054 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2055 may_propagate_address_into_dereference): Move prototypes ...
2056 * gimple.h: ... here.
2057 * tree-ssa-ccp.c (get_symbol_constant_value,
2058 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2059 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2060 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2061 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2062 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2063 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2064 gimplify_and_update_call_from_tree): Move ...
2065 * gimple-fold.c: ... here. New file.
2066 (ccp_fold_builtin): Rename to ...
2067 (gimple_fold_builtin): ... this.
2068 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2070 2010-04-15 Richard Guenther <rguenther@suse.de>
2072 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2073 fit_double_type, force_fit_type_double, add_double_with_sign,
2074 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2075 lrotate_double, rrotate_double, div_and_round_double): Move ...
2076 * double-int.c: ... here.
2077 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2078 add_double, neg_double, mul_double_with_sign, mul_double,
2079 lshift_double, rshift_double, lrotate_double, rrotate_double,
2080 div_and_round_double): Move prototypes ...
2081 * double-int.h: ... here.
2083 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2086 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2087 matching constraints to ensure inputs match the output.
2089 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2092 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2093 in an input-only operand.
2095 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2097 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2098 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2099 (double_int_negative_p): Convert to static inline function.
2100 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2101 (double_int_negative_p): Remove.
2102 * tree.h (lshift_double, rshift_double):
2103 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2104 * fold-const.c (fold_convert_const_int_from_real,
2105 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2106 (lshift_double): Change type of arith argument to bool.
2107 (rshift_double): Change type of arith argument to bool. Correct
2109 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2111 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2114 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2115 at the start and end of the then/else blocks, and omit them from the
2117 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2118 argument; all callers changed. Pass zero to old_insns_match_p instead.
2119 (flow_find_head_matching_sequence): New function.
2120 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2121 * basic-block.h (flow_find_cross_jump,
2122 flow_find_head_matching_sequence): Declare functions.
2124 2010-04-14 Jason Merrill <jason@redhat.com>
2127 * c-common.c (attribute_takes_identifier_p): New fn.
2128 * c-common.h: Declare it.
2130 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2132 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2134 (*udivmod<mode>4): Ditto.
2136 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2138 * config/i386/i386.md (maxmin_int): Rename code attribute from
2139 maxminiprefix and update all users.
2140 (maxmin_float): Ditto from maxminfprefix.
2141 (logic): Ditto from logicprefix.
2142 (absneg_mnemonic): Ditto from absnegprefix.
2143 * config/i386/mmx.md: Update all users of maxminiprefix,
2144 maxminfprefix and logicprefix for rename.
2145 * config/i386/sse.md: Ditto.
2146 * config/i386/sync.md (sync_<code><mode>): Update for
2149 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2152 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2153 warnings converted to errors.
2155 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2157 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2158 used insn_type variable.
2159 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2160 to avoid set-but-not-used warning.
2162 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2164 * df-core.c (df_ref_debug): Change format string placeholder
2166 * dwarf2asm.c (dw2_asm_output_data_raw,
2167 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2168 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2169 * dwarf2out.c (output_cfi, output_cfi_directive,
2170 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2171 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2173 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2174 * print-rtl.c (print_rtx): Ditto.
2176 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2179 * builtins.c (expand_builtin_pow_root): New function to expand pow
2180 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2181 series of sqrt and cbrt calls under -ffast-math.
2182 (expand_builtin_pow): Call it.
2184 2010-04-14 Michael Matz <matz@suse.de>
2186 PR tree-optimization/42963
2187 * tree-cfg.c (touched_switch_bbs): New static variable.
2188 (group_case_labels_stmt): New function broken out from ...
2189 (group_case_labels): ... here, use the above.
2190 (start_recording_case_labels): Allocate touched_switch_bbs.
2191 (end_recording_case_labels): Deallocate it, call
2192 group_case_labels_stmt.
2193 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2195 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2197 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2200 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2202 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2204 2010-04-13 Jan Hubicka <jh@suse.cz>
2206 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2207 of optimized out static functions.
2208 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2209 cost computation. Also sanity check for overflows.
2210 (update_caller_keys): Update cgraph_edge_badness call; properly
2211 update fibheap and sanity check that it is up to date.
2212 (add_new_edges_to_heap): Update cgraph_edge_badness.
2213 (cgraph_decide_inlining_of_small_function): Likewise;
2214 add sanity checking that badness in heap is up to date;
2215 improve dumping of reason; Update badness of calls to the
2216 offline copy of function currently inlined; dump badness
2217 of functions not inlined because of unit growth limits.
2219 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2222 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2223 because of sign-extension change when converting to sizetype here...
2224 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2226 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2227 the folding to constants. Remove redundant final conversion.
2228 (fold_binary) <associate>: Do not associate if the re-association of
2229 constants alone overflows.
2230 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2231 to the end of the list.
2232 (multiple_of_p) <COND_EXPR>: New case.
2234 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2236 * opt-functions.awk (opt_sanitized_name): New.
2238 * optc-gen.awk: Use it
2239 * opth-gen.awk: Use it.
2241 2010-04-13 Martin Jambor <mjambor@suse.cz>
2243 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2244 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2245 children. Call replace_uses_with_default_def_ssa_name to handle
2248 2010-04-13 Michael Matz <matz@suse.de>
2251 * builtins.c (expand_builtin_interclass_mathfn): Also create
2252 a register if the predicate doesn't match.
2254 2010-04-13 Diego Novillo <dnovillo@google.com>
2256 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2257 * c-pch.c: Include timevar.h.
2258 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2259 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2260 * ggc-common.c: Include timevar.h.
2261 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2262 * timevar.def (TV_PCH_SAVE): Define.
2263 (TV_PCH_CPP_SAVE): Define.
2264 (TV_PCH_PTR_REALLOC): Define.
2265 (TV_PCH_PTR_SORT): Define.
2266 (TV_PCH_RESTORE): Define.
2267 (TV_PCH_CPP_RESTORE): Define.
2269 2010-04-13 Michael Matz <matz@suse.de>
2271 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2273 (can_reassociate_p): New function.
2274 (break_up_subtract_bb, reassociate_bb): Use it.
2276 2010-04-13 Richard Guenther <rguenther@suse.de>
2279 * builtins.c (c_readstr): Fix assert.
2281 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2283 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2284 when generating cltd insn.
2286 (*ashl<mode>3_1): Remove special handling for register operand 2.
2287 (*ashlsi3_1_zext): Ditto.
2288 (*ashlhi3_1): Ditto.
2289 (*ashlhi3_1_lea): Ditto.
2290 (*ashlqi3_1): Ditto.
2291 (*ashlqi3_1_lea): Ditto.
2292 (*<shiftrt_insn><mode>3_1): Ditto.
2293 (*<shiftrt_insn>si3_1_zext): Ditto.
2294 (*<shiftrt_insn>qi3_1_slp): Ditto.
2295 (*<rotate_insn><mode>3_1): Ditto.
2296 (*<rotate_insn>si3_1_zext): Ditto.
2297 (*<rotate_insn>qi3_1_slp): Ditto.
2299 2010-04-13 Richard Guenther <rguenther@suse.de>
2301 * tree-ssa-structalias.c (callused_id): Remove.
2302 (call_stmt_vars): New.
2303 (get_call_vi): Likewise.
2304 (lookup_call_use_vi): Likewise.
2305 (lookup_call_clobber_vi): Likewise.
2306 (get_call_use_vi): Likewise.
2307 (get_call_clobber_vi): Likewise.
2308 (make_transitive_closure_constraints): Likewise.
2309 (handle_const_call): Adjust to do per-call call-used handling.
2310 (handle_pure_call): Likewise.
2311 (find_what_var_points_to): Remove general callused handling.
2312 (init_base_vars): Likewise.
2313 (init_alias_vars): Initialize call_stmt_vars.
2314 (compute_points_to_sets): Process call-used and call-clobbered
2315 vars for call statements.
2316 (delete_points_to_sets): Free call_stmt_vars.
2318 2010-04-13 Richard Guenther <rguenther@suse.de>
2320 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2321 Only add RW dependence for dependence distance zero.
2322 Adjust maximal vectorization factor according to dependences.
2323 Move alignment handling ...
2324 (vect_find_same_alignment_drs): ... here. New function.
2325 (vect_analyze_data_ref_dependences): Adjust.
2326 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2327 (vect_analyze_data_refs): Adjust minimal vectorization factor
2328 according to data references.
2329 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2330 dependences before determining the vectorization factor.
2331 Analyze alignment after determining the vectorization factor.
2332 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2333 dependences before alignment.
2334 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2336 (vect_analyze_data_refs): Likewise.
2337 (MAX_VECTORIZATION_FACTOR): New define.
2339 2010-04-13 Duncan Sands <baldrick@free.fr>
2341 * except.h (lang_eh_type_covers): Remove.
2342 * except.c (lang_eh_type_covers): Likewise.
2344 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2345 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2347 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2348 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2349 UNITS_PER_LONG where it is ABI relevant.
2350 (s390_return_addr_rtx): Likewise.
2351 (s390_back_chain_rtx): Likewise.
2352 (s390_frame_area): Likewise.
2353 (s390_frame_info): Likewise.
2354 (s390_initial_elimination_offset): Likewise.
2355 (save_gprs): Likewise.
2356 (s390_emit_prologue): Likewise.
2357 (s390_emit_epilogue): Likewise.
2358 (s390_function_arg_advance): Likewise.
2359 (s390_function_arg): Likewise.
2360 (s390_va_start): Likewise.
2361 (s390_gimplify_va_arg): Likewise.
2362 (s390_function_profiler): Likewise.
2363 (s390_optimize_prologue): Likewise.
2364 (s390_rtx_costs): Likewise.
2365 (s390_secondary_reload): Likewise.
2366 (s390_promote_function_mode): Likewise.
2367 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2368 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2369 registers available.
2370 (s390_unwind_word_mode): New function.
2371 (s390_function_value): Split 64 bit values into register pair if
2372 used as return value.
2373 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2374 function call parameters. Handle parallels.
2375 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2376 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2377 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2378 (s390_expand_setmem): Remove unused variable src_addr.
2379 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2380 deal with 64 bit registers.
2381 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2382 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2383 (UNITS_PER_LONG): New macro.
2384 * libjava/include/s390-signal.h: Define extended ucontext
2385 structure containing the upper halfs of the 64 bit registers.
2387 2010-04-13 Simon Baldwin <simonb@google.com>
2389 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2391 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2393 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2394 rvalue on the RHS if the LHS is of a non-renamable type.
2395 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2397 2010-04-13 Matthias Klose <doko@ubuntu.com>
2399 * gcc.c (cc1_options): Handle -iplugindir before processing
2400 the cc1 spec. Only add -iplugindir once.
2401 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2403 * common.opt (iplugindir): Remove `Separate' property, initialize.
2404 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2406 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2407 (distclean): Remove plugin dir.
2408 * doc/invoke.texi: Document -iplugindir.
2410 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2412 * doc/plugins.texi (Loading Plugins): Document short
2413 -fplugin=foo option.
2414 (Plugin API): Mention default_plugin_dir_name function.
2416 * gcc.c (find_file_spec_function): Add new declaration.
2417 (static_spec_func): Use it for "find-file".
2418 (find_file_spec_function): Add new function.
2419 (cc1_options): Add -iplugindir option if -fplugin* options found.
2421 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2423 * plugin.c (add_new_plugin): Updated comment, and handle short
2425 (default_plugin_dir_name): Added new function.
2427 * common.opt (iplugindir): New option to set the plugin directory.
2429 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2431 * config/i386/i386.md (any_rotate): New code iterator.
2432 (rotate_insn): New code attribute.
2434 (SWIM124): New mode iterator.
2435 (<rotate_insn>ti3): New expander.
2436 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2437 any_rotate code iterator.
2438 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2439 using any_rotate code iterator and SWIM124 mode iterator.
2440 (ix86_rotlti3): New insn_and_split pattern.
2441 (ix86_rotrti3): Ditto.
2442 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2443 ix86_rotl{di,ti}3 patterns.
2444 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2445 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2446 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2447 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2448 code iterator and SWI mode iterator.
2449 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2450 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2452 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2453 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2454 (bswap rotatert splitter): Add splitter.
2455 (bswap splitter): Macroize splitter using any_rotate code iterator.
2456 Add insn predicate to split only for TARGET_USE_XCHGB or when
2457 optimizing function for size.
2459 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2461 * config/pa/pa.c (emit_move_sequence): Remove use of
2462 deleted variable flag_argument_noalias.
2464 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2466 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2468 Add to unsupported targets list.
2469 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2470 sparc*-sun-solaris2.[567]* from target lists.
2471 * configure: Regenerate.
2472 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2474 Remove Solaris 7 patch references.
2475 (Specific, sparc-sun-solaris2.7): Removed.
2476 (sparc-sun-solaris2*): Update Solaris 7 example.
2477 (sparc64-*-solaris2*): Likewise.
2479 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2481 * config.build (alpha*-dec-osf4*): Remove.
2482 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2483 of obsolete configurations.
2484 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2486 * config/alpha/t-osf4: Renamed to ...
2487 * config/alpha/t-osf5: ... this.
2488 * config/alpha/osf.h: Renamed to ...
2489 * config/alpha/osf5.h: ... this.
2490 Merged old osf5.h contents.
2492 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2493 (EXTRA_SPECS): Removed.
2494 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2495 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2498 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2500 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2502 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2505 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2506 __thiscall convention.
2508 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2510 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2512 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2514 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2516 * function.c (assign_parms_initialize_all): Add unused attribute
2519 2010-04-12 Richard Guenther <rguenther@suse.de>
2521 * gsstruct.def (GSS_CALL): New.
2522 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2523 * gimple.h: Include tree-ssa-alias.h.
2524 (struct gimple_statement_call): New.
2525 (union gimple_statement_struct_d): Add gimple_call member.
2526 (gimple_call_reset_alias_info): Declare.
2527 (gimple_call_use_set): New function.
2528 (gimple_call_clobber_set): Likewise.
2529 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2530 * gimple.c (gimple_call_reset_alias_info): New function.
2531 (gimple_build_call_1): Call it.
2532 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2533 * tree-inline.c (remap_gimple_stmt): Likewise.
2534 (expand_call_inline): Remove callused handling.
2535 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2536 * tree-dfa.c (dump_variable): Likewise.
2537 * tree-parloops.c (parallelize_loops): Likewise.
2538 * tree-ssa.c (init_tree_ssa): Likewise.
2539 (delete_tree_ssa): Likewise.
2540 * tree-flow-inline.h (is_call_used): Remove.
2541 * tree-flow.h (struct gimple_df): Remove callused member.
2542 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2543 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2544 (ref_maybe_used_by_call_p_1): Simplify.
2545 (call_may_clobber_ref_p_1): Likewise.
2546 * tree-ssa-structalias.c (compute_points_to_sets): Set
2547 the call stmt used and clobbered sets.
2548 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2549 (find_tail_calls): Verify the tail call.
2551 2010-04-12 Richard Guenther <rguenther@suse.de>
2553 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2554 single-iteration always-inline inlining.
2555 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2556 (cgraph_decide_inlining): Do not handle always-inline specially.
2557 (try_inline): Remove always-inline cycle detection special case.
2558 Do not recurse on always-inlines.
2559 (cgraph_early_inlining): Do not iterate if not optimizing.
2560 (cgraph_gate_early_inlining): remove.
2561 (pass_early_inline): Run unconditionally.
2562 (gate_cgraph_decide_inlining): New function.
2563 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2564 not inlining or optimizing.
2565 (cgraph_decide_inlining_of_small_functions): Also consider
2566 always-inline functions.
2567 (cgraph_default_inline_p): Return true for nodes which should
2568 disregard inline limits.
2569 (estimate_function_body_sizes): Assume zero size and time for
2570 nodes which are marked as disregarding inline limits.
2571 (cgraph_decide_recursive_inlining): Do not perform recursive
2572 inlining on always-inline nodes.
2574 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2577 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2578 for exprs satisfying handled_component_p.
2580 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2582 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2583 non-constant aggregate elements.
2585 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2586 is a real initialization.
2588 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2591 * c-decl.c (start_function): Move forward check for nested function.
2593 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2595 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2596 * config/sh/sh.c: Include reload.h.
2597 (sh_legitimize_reload_address): New.
2598 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2599 sh_legitimize_reload_address.
2601 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2603 * config/sh/sh.md (*movqi_pop): New insn pattern.
2604 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2606 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2608 * config/i386/i386.md (any_shiftrt): New code iterator.
2609 (shiftrt_insn): New code attribute.
2611 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2612 using any_shiftrt code iterator.
2613 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2614 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2615 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2616 pattern from corresponding peephole2 patterns.
2617 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2618 using any_shiftrt code iterator.
2619 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2620 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2621 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2622 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2623 *{ashr,lshr}<mode>3_cmp_zext.
2624 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2626 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2628 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2630 (*lshr<mode>3_cconly): Ditto.
2632 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2634 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2635 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2636 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2637 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2639 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2640 from corresponding peephole2 patterns.
2641 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2642 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2643 and *lshrdi3_1_rex64 using SWI mode iterator.
2644 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2645 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2646 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2647 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2648 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2649 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2650 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2651 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2652 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2655 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2657 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2658 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2659 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2660 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2662 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2663 from corresponding peephole2 patterns.
2664 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2665 (ashrsi3_cvt): Rename from ashrsi3_31.
2666 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2667 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2668 and x86_64_shift_adj_3 using SWI48 mode iterator.
2669 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2670 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2671 and *ashrdi3_1_rex64 using SWI mode iterator.
2672 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2673 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2674 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2675 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2676 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2677 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2678 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2679 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2680 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2682 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2683 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2684 x86_shift<mode>_adj_3 expanders.
2686 2010-04-10 Wei Guozhi <carrot@google.com>
2689 * config/arm/arm.c (arm_pic_static_addr): New function.
2690 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2692 (arm_output_addr_const_extra): Output expression for new pattern.
2693 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2695 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2697 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2700 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2701 * web.c: Include "insn-config.h" and "recog.h".
2702 (union_match_dups): New function.
2703 (web_main): Call it.
2704 (union_defs): Don't try to recognize match_dups.
2706 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2707 if doing so would replace the entire pattern.
2709 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2713 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2714 and splitter pattern. Change splitter operand 1 predicate to
2717 2010-04-09 Martin Jambor <mjambor@suse.cz>
2719 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2720 lattices are addresses of CONST_DECLs with the same initial value.
2721 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2722 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2724 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2725 Bernd Schmidt <bernds@codesourcery.com>
2727 * loop-invariant.c (replace_uses): New static function.
2728 (move_invariant_reg): Use it to ensure we can replace the uses.
2730 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2732 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2734 (picochip_override_options): Enable section anchors only above -O1.
2735 (picochip_reorg): Fixed a couple of build warnings.
2737 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2739 * configure.ac (plugin -rdynamic test): Log result.
2740 * configure: Regenerate.
2741 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2742 (RDYNAMIC_SPEC): Define.
2743 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2745 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2747 * configure.ac: Determine Sun ld version numbers.
2748 (comdat_group): Restrict GNU ld version checks to gld.
2749 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2750 (enable_comdat): Support --enable-comdat.
2751 * configure: Regenerate.
2752 * doc/install.texi (Configuration): Document --enable-comdat.
2754 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2756 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2757 * config/sol2-gld.h: ... here.
2758 * config.gcc (sparc*-*-solaris2*): Reflect this.
2759 (i[34567]86-*-solaris2*): Use it.
2761 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2763 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2765 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2767 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2770 * diagnostic.c (diagnostic_initialize): Initialize
2771 some_warnings_are_errors.
2772 (diagnostic_finish): New.
2773 (diagnostic_action_after_output): Call it before exiting.
2774 (diagnostic_report_diagnostic): Do not print message here. Set
2775 some_warnings_are_errors.
2776 * diagnostic.h (diagnostic_context): Delete
2777 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2778 (diagnostic_finish): Declare.
2779 * toplev.c (toplev_main): Call it before exit.
2781 2010-04-09 Jason Merrill <jason@redhat.com>
2784 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2785 for incomplete type.
2788 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2789 based on a warning flag.
2791 2010-04-09 Richard Guenther <rguenther@suse.de>
2793 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2795 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2798 * varasm.c (default_assemble_visibility): Wrap vars that are
2799 set, but unused, by targets without GAS.
2800 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2801 Remove set, but unused, vars.
2802 (rs6000_legitimize_tls_address): Likewise.
2803 (altivec_expand_dst_builtin): Likewise.
2804 * config/darwin.c (machopic_classify_symbol): Likewise.
2805 (machopic_indirection_name): Likewise.
2807 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2809 * config/i386/i386.md (DWI): New mode iterator.
2810 (S): New mode attribute.
2811 (shift_operand): Ditto.
2812 (shift_immediate_operand): Ditto.
2813 (ashl_input_operand): Ditto.
2814 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2815 using SDWIM mode iterator.
2816 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2817 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2819 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2820 from corresponding peephole2 patterns.
2821 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2822 and x86_64_shift_adj_1 using SWI48 mode iterator.
2823 (x86_shift<mode>_adj_2): Ditto.
2824 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2825 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2826 using SWI48 mode iterator.
2827 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2828 *ashldi3_cmp_rex64 using SWI mode iterator.
2829 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2830 *ashldi3_cconly_rex64 using SWI mode iterator.
2831 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2832 x86_shift<mode>_adj_{1,2}.
2833 (ix86_split_ashr): Ditto.
2834 (ix86_split_lshr): Ditto.
2836 2010-04-09 Richard Guenther <rguenther@suse.de>
2838 * target.h (builtin_conversion): Pass in input and output types.
2839 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2840 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2841 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2842 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2844 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2846 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2848 2010-04-09 Richard Guenther <rguenther@suse.de>
2851 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2853 2010-04-09 Richard Guenther <rguenther@suse.de>
2855 * tree-vectorizer.h (struct _stmt_vec_info): Document
2856 that vectype is the type of the LHS.
2857 (supportable_widening_operation, supportable_narrowing_operation):
2858 Get both input and output vector types as arguments.
2859 (vect_is_simple_use_1): Declare.
2860 (get_same_sized_vectype): Likewise.
2861 * tree-vect-loop.c (vect_determine_vectorization_factor):
2862 Set STMT_VINFO_VECTYPE to the vector type of the def.
2863 (vectorizable_reduction): Adjust.
2864 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2865 Adjust. Specify the output vector type.
2866 (vect_pattern_recog_1): Adjust.
2867 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2868 (vectorizable_call): Adjust.
2869 (vectorizable_conversion): Likewise.
2870 (vectorizable_operation): Likewise.
2871 (vectorizable_type_demotion): Likewise.
2872 (vectorizable_type_promotion): Likewise.
2873 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2875 (vect_is_simple_use_1): New function.
2876 (supportable_widening_operation): Get both input and output
2878 (supportable_narrowing_operation): Likewise.
2879 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2881 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2883 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2884 __thiscall and _thiscall as predefined macros.
2885 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2886 thiscall attribute handling.
2887 (ix86_comp_type_attributes): Likewise.
2888 (ix86_function_regparm): Likewise.
2889 (ix86_return_pops_args): Likewise.
2890 (init_cumulative_args): Likewise.
2891 (find_drap_reg): Likewise.
2892 (ix86_static_chain): Likewise.
2893 (x86_this_parameter): Likewise.
2894 (x86_output_mi_thunk): Likewise.
2895 (ix86_attribute_table): Add description for thiscall attribute.
2896 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2897 * doc/extend.texi: Add documentation for thiscall.
2899 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2902 * c.opt (Wint-to-pointer-cast): Available in C++.
2903 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2905 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2907 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2908 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2909 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2910 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2911 function type instead. Reorder and simplify checks.
2913 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2915 2010-04-08 Jing Yu <jingyu@google.com>
2916 Zdenek Dvorak <ook@ucw.cz>
2918 PR tree-optimization/42720
2919 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2920 loop unswitch conditions here from ...
2921 (tree_unswitch_single_loop): ... here.
2923 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2925 * tree-if-conv.c: Fix comments and simplify logic.
2927 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2929 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2930 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2931 (main_tree_if_conversion): Update call to tree_if_conversion.
2933 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2936 * doc/invoke.texi (-b,-V): Delete.
2937 * doc/tm.texi: Do not mention -b.
2938 * gcc.c (display_help): Delete -b and -V.
2939 (process_command): Delete -b and -V.
2940 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2942 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2943 Wolfgang Gellerich <gellerich@de.ibm.com>
2945 Implement target hook for loop unrolling
2946 * target.h (loop_unroll_adjust): Add a new target hook function.
2947 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2948 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2949 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2950 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2951 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2953 (decide_unroll_stupid): Likewise.
2955 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2958 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2960 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2962 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2963 (Specific, *-*-solaris2*): Likewise.
2964 Don't prefer Sun as over GNU as.
2966 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2968 * config/s390/s390.c (override_options): Adjust the z10
2969 defaults for max-unroll-times, max-completely-peeled-insns
2970 and max-completely-peel-times.
2972 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2974 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2975 instructions for z10.
2976 (s390_expand_setmem): Likewise.
2977 (s390_expand_cmpmem): Likewise.
2979 2010-04-08 Richard Guenther <rguenther@suse.de>
2981 PR tree-optimization/43679
2982 * tree-ssa-pre.c (eliminate): Only propagate copies.
2984 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2987 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2988 set but not used variable warning.
2990 2010-04-08 Wei Guozhi <carrot@google.com>
2993 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2994 (arm_size_rtx_costs): Call the new function when optimized for size.
2996 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2999 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3000 op0 is not a MEM, just return NULL instead of assertion
3002 (discover_nonconstant_array_refs): Don't walk debug stmts.
3004 2010-04-08 Doug Kwan <dougkwan@google.com>
3006 * configure.ac: Recognize gold and do not use its version number
3007 to test ld features.
3008 * configure: Regenerate.
3010 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3013 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3014 (negate_value): Move code to push elements to broken_up_substracts ...
3015 (eliminate_plus_minus_pair): ... here. Push operands that have no
3016 negative pair to plus_negates.
3017 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3019 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3021 * doc/install.texi (Configuration): Move description of
3022 --enable-lto, --with-libelf*, --enable-gold from Java section to
3025 * doc/generic.texi (Working with declarations)
3026 (Function Properties, C and C++ Trees): Fix typos.
3027 * doc/sourcebuild.texi (Top Level): Likewise.
3029 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3032 * tree.h (DECL_READ_P): Define.
3033 (struct tree_decl_common): Add decl_read_flag.
3034 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3035 a set but not used warning.
3036 (merge_decls): Merge DECL_READ_P flag.
3037 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3038 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3039 * c-common.c (handle_used_attribute, handle_unused_attribute):
3041 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3043 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3045 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3046 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3047 c_parser_binary_expression, c_parser_cast_expression,
3048 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3049 Call default_function_array_read_conversion instead of
3050 default_function_array_conversion where needed.
3051 (c_parser_unary_expression, c_parser_conditional_expression,
3052 c_parser_postfix_expression_after_primary, c_parser_initelt):
3053 Likewise. Call mark_exp_read where needed.
3054 (c_parser_statement_after_labels, c_parser_asm_operands,
3055 c_parser_typeof_specifier, c_parser_sizeof_expression,
3056 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3058 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3060 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3061 (warn_unused_but_set_parameter): Default to warn_unused
3063 * doc/invoke.texi: Document -Wunused-but-set-variable and
3064 -Wunused-but-set-parameter.
3066 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3067 used count variable.
3068 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3069 when operandN variables aren't used in the body of the expander
3071 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3072 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3073 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3074 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3075 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3076 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3077 * tree.c (PROCESS_ARG): Likewise.
3079 2010-04-07 Simon Baldwin <simonb@google.com>
3081 * diagnostic.h (diagnostic_override_option_index): New macro to
3082 set a diagnostic's option_index.
3083 * c-tree.h (c_cpp_error): Add warning reason argument.
3084 * opts.c (_warning_as_error_callback): New.
3085 (register_warning_as_error_callback): Store callback for
3086 warnings enabled via enable_warning_as_error.
3087 (enable_warning_as_error): Call callback, minor code tidy.
3088 * opts.h (register_warning_as_error_callback): Declare.
3089 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3090 response to -Werror=.
3091 (c_common_init_options): Register warning_as_error_callback in opts.c.
3092 * common.opt: Add -Wno-cpp option.
3093 * c-common.c (struct reason_option_codes_t): Map cpp warning
3094 reason codes to gcc option indexes.
3095 * (c_option_controlling_cpp_error): New function, lookup the gcc
3096 option index for a cpp warning reason code.
3097 * (c_cpp_error): Add warning reason argument, call
3098 c_option_controlling_cpp_error for diagnostic_override_option_index.
3099 * doc/invoke.texi: Document -Wno-cpp.
3101 2010-04-07 Richard Guenther <rguenther@suse.de>
3103 * ipa-reference.c (mark_load): Use get_base_address.
3104 (mark_store): Likewise.
3106 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3107 inserting GIMPLE_NOPs into the IL.
3108 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3109 Explicitly strip handled components and indirect references.
3111 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3112 folding address expressions.
3113 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3114 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3115 operand_equal_p to compare decls.
3116 (ptr_deref_may_alias_decl_p): Likewise.
3117 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3118 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3119 Handle reversed comparison ops.
3120 * tree-sra.c (asm_visit_addr): Use get_base_address.
3121 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3122 * ipa-reference.c (mark_address): Use get_base_address.
3124 2010-04-07 Richard Guenther <rguenther@suse.de>
3126 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3127 Propagate constants everywhere.
3129 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3132 * tree.c (MAX_INT_CACHED_PREC): Define.
3133 (nonstandard_integer_type_cache): New array.
3134 (build_nonstandard_integer_type): Cache results for precision
3135 <= MAX_INT_CACHED_PREC.
3137 2010-04-07 Richard Guenther <rguenther@suse.de>
3139 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3140 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3141 * common.opt: Likewise.
3142 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3143 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3144 (nonoverlapping_memrefs_p): Likewise.
3145 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3146 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3147 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3148 OPT_fargument_noalias_global for backward compatibility.
3150 2010-04-07 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/43270
3153 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3154 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3155 * tree-ssa-pre.c (phi_translate_1): Adjust.
3156 (fully_constant_expression): Split out vn_reference handling to ...
3157 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3158 Fold reads from constant strings.
3159 (vn_reference_lookup): Handle fully constant references.
3160 (vn_reference_lookup_pieces): Likewise.
3161 * Makefile.in (expmed.o-warn): Add -Wno-error.
3163 2010-04-07 Martin Jambor <mjambor@suse.cz>
3165 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3167 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3170 * gcc.c: Add -static-libstdc++ to list of recognized options.
3172 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3174 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3176 2010-04-07 Richard Guenther <rguenther@suse.de>
3179 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3180 bases build simple mem attributes to retain points-to information.
3182 2010-04-07 Richard Guenther <rguenther@suse.de>
3185 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3186 preserve points-to related information.
3188 2010-04-07 Richard Guenther <rguenther@suse.de>
3191 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3192 discard plain indirect references.
3193 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3194 * tree.c (tree_nop_conversion): Likewise.
3196 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3199 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3201 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3203 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3204 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3206 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3208 * tree-if-conv.c: Fix indentation and comments.
3210 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3212 * tree-if-conv.c: Sort static functions in topological order.
3214 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3216 * tree-if-conv.c: Fix indentation and comments.
3218 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3221 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3222 lang_hooks.types.type_for_size instead of
3223 build_nonstandard_integer_type.
3224 When converting an unsigned type to signed, double its precision.
3225 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3226 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3227 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3230 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3233 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3234 POINTER_PLUS_EXPR for pointer types.
3236 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3239 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3240 * graphite-clast-to-gimple.c: Include langhooks.h.
3241 (max_signed_precision_type): New.
3242 (max_precision_type): Takes two types as arguments.
3243 (precision_for_value): New.
3244 (precision_for_interval): New.
3245 (gcc_type_for_interval): New.
3246 (gcc_type_for_value): New.
3247 (gcc_type_for_clast_term): New.
3248 (gcc_type_for_clast_red): New.
3249 (gcc_type_for_clast_bin): New.
3250 (gcc_type_for_clast_expr): Split up into several functions.
3251 (gcc_type_for_clast_eq): Rewritten.
3252 (compute_bounds_for_level): New.
3253 (compute_type_for_level_1): New.
3254 (compute_type_for_level): New.
3255 (gcc_type_for_cloog_iv): Removed.
3256 (gcc_type_for_iv_of_clast_loop): Rewritten.
3257 (graphite_create_new_loop): Compute the lower and upper bound types
3258 with gcc_type_for_clast_expr.
3259 (graphite_create_new_loop_guard): Same.
3260 (find_cloog_iv_in_expr): Removed.
3261 (compute_cloog_iv_types_1): Removed.
3262 (compute_cloog_iv_types): Removed.
3263 (gloog): Do not call compute_cloog_iv_types.
3264 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3266 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3267 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3268 (GBB_CLOOG_IV_TYPES): Removed.
3270 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3272 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3273 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3274 (detect_commutative_reduction): Same.
3276 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3278 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3279 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3281 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3282 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3283 (rewrite_commutative_reductions_out_of_ssa): Same.
3284 * passes.c (execute_function_todo): Call verify_ssa for every pass
3285 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3286 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3287 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3288 with an extra argument.
3289 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3290 verify_ssa only when the extra argument is true.
3291 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3292 with an extra argument.
3293 (tree_transform_and_unroll_loop): Same.
3295 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3297 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3298 for all the passes of the LNO having LOOP_CLOSED_SSA.
3299 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3300 * tree-loop-distribution.c (pass_loop_distribution): Same.
3301 * tree-pass.h (TODO_verify_loops): Removed.
3302 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3304 (pass_tree_unswitch): Same.
3305 (pass_predcom): Same.
3306 (pass_vectorize): Same.
3307 (pass_linear_transform): Same.
3308 (pass_graphite_transforms): Same.
3309 (pass_iv_canon): Same.
3310 (pass_complete_unroll): Same.
3311 (pass_complete_unrolli): Same.
3312 (pass_parallelize_loops): Same.
3313 (pass_loop_prefetch): Same.
3314 (pass_iv_optimize): Same.
3316 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3319 * passes.c (init_optimization_passes): Move pass_lim before
3320 pass_copy_prop and pass_dce_loop.
3322 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3325 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3326 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3327 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3328 MULTI_* defines for 4 argument vpermil2p* builtins.
3330 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3332 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3333 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3334 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3335 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3336 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3337 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3338 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3339 Use x86_maybe_negate_const_int to output insn mnemonic.
3340 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3341 check from instruction predicate. Update comments.
3342 * config/i386/sync.md (sync_add<mode>): Use
3343 x86_maybe_negate_const_int to output insn mnemonic.
3345 2010-04-06 Jan Hubicka <jh@suse.cz>
3347 PR tree-optimization/42906
3348 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3349 IGNORE_SELF argument. Set visited_control_parents for fully
3351 (find_obviously_necessary_stmts): Update call of
3352 mark_control_dependent_edges_necessary.
3353 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3355 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3357 * config/i386/i386.md: Remove comment about 'e' and 'E'
3360 2010-04-06 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/43627
3363 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3364 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3367 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3369 * BASE-VER: Change to 4.6.0.
3372 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3375 2010-04-06 Richard Guenther <rguenther@suse.de>
3378 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3380 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3382 * doc/invoke.texi (Optimize Options): Document that LTO
3383 won't remove object access purely due to incompatible
3386 2010-04-04 Matthias Klose <doko@ubuntu.com>
3388 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3389 Initialize variable.
3391 2010-04-03 Richard Guenther <rguenther@suse.de>
3394 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3395 require a non-NULL MEM_OFFSET.
3397 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3399 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3400 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3401 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3402 config/alpha/predicates.md, config/arm/arm.md,
3403 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3404 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3405 config/darwin9.h, config/darwin.c, config/darwin.h,
3406 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3407 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3408 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3409 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3410 config/mips/mips.md, config/mn10300/mn10300.c,
3411 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3412 config/rs6000/aix.h, config/rs6000/dfp.md,
3413 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3414 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3415 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3416 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3417 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3418 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3419 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3420 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3421 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3422 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3423 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3424 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3425 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3426 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3427 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3428 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3429 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3430 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3431 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3432 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3433 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3434 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3435 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3436 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3437 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3438 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3439 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3440 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3441 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3442 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3443 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3444 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3445 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3446 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3447 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3448 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3450 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3453 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3454 * aclocal.m4: Regenerate.
3456 2010-04-02 Richard Guenther <rguenther@suse.de>
3458 PR tree-optimization/43629
3459 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3460 if we have seen a constant value.
3462 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3464 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3466 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3469 * arm.c (legitimize_tls_address): Adjust call to
3470 gen_tls_load_dot_plus_four.
3471 (arm_note_pic_base): New function.
3472 (arm_cannot_copy_insn_p): Use it.
3473 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3476 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3481 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3483 * Makefile.in ($(out_object_file)): Depend on
3484 gt-$(basename $(notdir $(out_file))).h.
3486 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3488 * config.gcc (lm32-*-rtems*): Add t-lm32.
3490 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3492 * config.gcc: Add lm32-*-rtems*.
3493 * config/lm32/rtems.h: New file.
3495 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3498 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3500 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3502 * dwarf2out.c (output_compilation_unit_header): For
3503 -gdwarf-4 use version 4 instead of version 3.
3504 (output_line_info): For version 4 and above emit additional
3505 maximum ops per insn header field.
3506 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3508 * dwarf2out.c (is_c_family, is_java): Remove.
3509 (lower_bound_default): New function.
3510 (add_bound_info, gen_descr_array_type_die): Use it.
3512 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3515 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3516 re-declaration when it happens in a function.
3518 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3520 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3521 (cgraph_remove_function_insertion_hook): Same.
3522 (cgraph_call_function_insertion_hooks): Same.
3524 2010-04-01 Richard Guenther <rguenther@suse.de>
3527 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3528 and TREE_THIS_VOLATILE.
3529 (copy_ref_info): Likewise.
3530 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3531 * tree.c (build6_stat): Ignore side-effects of all but arg5
3532 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3535 2010-04-01 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/43607
3538 * ipa-type-escape.c (check_call): Do not access non-existing
3541 2010-04-01 Richard Guenther <rguenther@suse.de>
3545 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3546 Jack Howarth <howarth@bromo.med.uc.edu>
3548 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3551 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3553 * doc/install.texi (Prerequisites): Document libelf usability on
3554 IRIX 5/6 and Solaris 2.
3555 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3556 Update GNU as, GNU ld requirements.
3557 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3558 Document Sun Studio compiler download.
3559 Update and simplify as, ld recommendations.
3560 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3562 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3564 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3565 with_tune_32 to pentium4.
3567 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3569 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3571 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3573 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3574 obsoletion, removal.
3576 Document GNU as requirement.
3577 Update configure requirements.
3578 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3579 Recomment IRIX 6.5.18+.
3580 Document IDF/IDL requirement.
3581 Document GNU as requirement.
3582 Document GNU ld bootstrap failure.
3583 Remove freeware.sgi.com reference.
3585 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3587 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3588 UNIX V4.0, V5.0 obsoletion, removal.
3589 Remove --with-gc=simple reference.
3590 Update VM requirements during bootstrap.
3591 Remove -oldas bootstrap description.
3592 Update binutils reference.
3593 Remove comparison failure note.
3595 2010-03-31 Richard Guenther <rguenther@suse.de>
3596 Zdenek Dvorak <ook@ucw.cz>
3597 Sebastian Pop <sebastian.pop@amd.com>
3600 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3601 with multiple arguments.
3602 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3604 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3606 * graphite-dependences.c (print_pddr): Call print_pdr with an
3608 * graphite-poly.c (debug_pdr): Add an extra argument for the
3611 (print_pbb_domain): Same.
3613 (print_scop_context): Same.
3615 (print_cloog): Same.
3616 (debug_pbb_domain): Same.
3620 (debug_scop_context): Same.
3622 (debug_cloog): Same.
3623 (print_scop_params): Same.
3624 (debug_scop_params): Same.
3625 (print_iteration_domain): Same.
3626 (print_iteration_domains): Same.
3627 (debug_iteration_domain): Same.
3628 (debug_iteration_domains): Same.
3629 (print_scattering_function): Same.
3630 (print_scattering_functions): Same.
3631 (debug_scattering_function): Same.
3632 (debug_scattering_functions): Same.
3633 * graphite-poly.h (debug_pdr): Update declaration.
3635 (print_pbb_domain): Same.
3637 (print_scop_context): Same.
3639 (print_cloog): Same.
3640 (debug_pbb_domain): Same.
3644 (debug_scop_context): Same.
3646 (debug_cloog): Same.
3647 (print_scop_params): Same.
3648 (debug_scop_params): Same.
3649 (print_iteration_domain): Same.
3650 (print_iteration_domains): Same.
3651 (debug_iteration_domain): Same.
3652 (debug_iteration_domains): Same.
3653 (print_scattering_function): Same.
3654 (print_scattering_functions): Same.
3655 (debug_scattering_function): Same.
3656 (debug_scattering_functions): Same.
3658 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3660 * graphite-poly.c (print_scattering_function_1): New.
3661 (print_scattering_function): Call it.
3662 (print_scop_params): Remove spaces at the end of lines.
3665 * graphite-poly.h (print_cloog): Declared.
3666 (debug_cloog): Declared.
3668 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3670 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3672 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3673 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3674 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3675 to switch between adding the IV bump in loop->latch or in loop->header.
3677 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3679 * graphite-poly.c (print_scattering_function): Pretty print following
3682 (print_pbb_domain): Same.
3683 (dump_gbb_cases): Same.
3684 (dump_gbb_conditions): Same.
3687 (print_scop_params): Same.
3688 (print_scop_context): Same.
3690 (print_pbb_body): New.
3691 (lst_indent_to): New.
3692 (print_lst): Start new lines with a #.
3693 * graphite-poly.h (pbb_bb): New.
3694 (pbb_index): Use pbb_bb.
3695 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3697 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3699 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3701 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3702 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3703 and 0 instead of 1 for dw_val_class_flag.
3704 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3705 dw_val_class_range_list, dw_val_class_loc_list,
3706 dw_val_class_lineptr and dw_val_class_macptr, use
3707 DW_FORM_flag_present for dw_val_class_flag and
3708 DW_FORM_exprloc for dw_val_class_loc.
3709 (output_die): For -gdwarf-4 print dw_val_class_loc
3710 size as uleb128 instead of 1 or 2 bytes and don't print
3711 anything for dw_val_class_flag.
3713 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3714 instead of cselib_lookup following by tweaking locs->setting_insn.
3717 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3718 even before returning from label, setjmp call or volatile asm
3721 2010-03-31 Richard Guenther <rguenther@suse.de>
3724 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3725 temporary data on stack.
3727 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3729 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3730 (PUSHSECTION_ASM_OP): Remove.
3731 (POPSECTION_ASM_OP): Remove.
3732 (PUSHSECTION_FORMAT): Remove.
3733 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3734 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3735 * config/sol2.c (solaris_output_init_fini): Use it.
3737 2010-03-31 Jie Zhang <jie@codesourcery.com>
3740 * opt-functions.awk (var_type_struct): Use signed char type
3741 for simple variables.
3743 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3745 * config/sol2.c: Include output.h.
3746 (solaris_assemble_visibility): New function.
3747 * config/t-sol2 (sol2.o): Add output.h dependency.
3748 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3749 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3752 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3755 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3756 V2SImode or XFmode on PRE_DEC.
3759 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3762 2010-03-31 Jie Zhang <jie@codesourcery.com>
3765 * reload.h (caller_save_initialized_p): Declare.
3766 * toplev.c (backend_init_target): Don't call
3767 init_caller_save but set caller_save_initialized_p to false.
3768 * caller-save.c (caller_save_initialized_p): Define.
3769 (init_caller_save): Check caller_save_initialized_p.
3770 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3772 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3775 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3776 and soft-fp/t-softfp to tmake_file.
3777 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3778 (LIBGCC2_TF_CEXT): Define.
3781 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3784 * cselib.c (n_useless_values): Document handling of debug locs.
3785 (n_useless_debug_values, n_debug_values): New variables.
3786 (new_elt_loc_list): Don't add to debug values, keep count.
3787 (promote_debug_loc): New.
3788 (cselib_reset_table): Zero new variables.
3789 (entry_and_rtx_equal_p): Promote debug locs.
3790 (discard_useless_locs): Increment n_useless_debug_values for
3792 (remove_useless_values): Adjust n_useless_values and n_debug_values
3793 with n_useless_debug_values.
3794 (add_mem_for_addr): Promote debug locs.
3795 (cselib_lookup_mem): Likewise.
3796 (cselib_lookup_addr): Renamed to...
3797 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3798 (cselib_log_lookup): ... this. Turn into...
3799 (cselib_lookup_addr): ... new wrapper.
3800 (cselib_lookup_from_insn): New.
3801 (cselib_invalidate_regno): Increment n_useless_debug_values for
3803 (cselib_invalidate_mem): Likewise.
3804 (cselib_process_insn): Take n_deleted and n_debug_values into
3805 account to guard remove_useless_value call.
3806 (cselib_finish): Zero n_useless_debug_values.
3807 * cselib.h (cselib_lookup_from_insn): Declare.
3808 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3809 (sched_analyze_2): Likewise.
3811 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3813 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3815 (adjust_mems): Replace narrowing SUBREG of expression containing
3816 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3817 with operations in the narrower mode.
3820 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3821 regs_invalidated_by_call instead all call_used_reg_set registers.
3823 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3826 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3827 pointer comparisons with types_compatible_p.
3828 * tree-vect-stmts.c (vectorizable_call): Same.
3829 (vectorizable_condition): Same.
3831 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3833 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3834 stack check if the mask would be zero.
3836 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3837 Jack Howarth <howarth@bromo.med.uc.edu>
3839 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3842 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3845 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3847 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3848 Include ___unordxf2 and ___unordtf2.
3849 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3852 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3854 * config/lm32/t-lm32: New file.
3855 * config.gcc: Use the above file when targetting lm32.
3857 2010-03-28 Duncan Sands <baldrick@free.fr>
3859 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3861 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3864 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3865 Improve vectorization cost model diagnostic.
3867 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3870 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3871 compute_data_dependences_for_loop returns false, early exit
3872 and output an extra diagnostic for the failed data reference
3875 2010-03-29 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/43560
3878 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3879 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3881 2010-03-29 Jie Zhang <jie@codesourcery.com>
3884 * toplev.c (process_options): Set optimization_default_node
3885 and optimization_current_node.
3886 * opts.c (decode_options): Don't set optimization_default_node
3887 and optimization_current_node.
3889 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3891 * config/rtems.h: Abandon -qrtems_debug.
3893 2010-03-28 Jan Hubicka <jh@suse.cz>
3895 PR tree-optimization/43505
3896 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3897 map should not be copied.
3899 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3902 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3903 cdtors, set DECL_PRESERVE_P.
3904 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3907 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3909 PR tree-optimization/43528
3910 * stor-layout.c (place_field): Check that constant fits into
3911 unsigned HWI when skipping calculation of MS bitfield layout.
3913 2010-03-27 Jan Hubicka <jh@suse.cz>
3916 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3917 notice_global_symbol work.
3919 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3921 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3922 instead of dwarf2out_decl.
3923 (struct var_loc_node): Remove section_label field.
3924 (dwarf2out_function_decl): New function.
3925 (dwarf2out_var_location): Don't set section_label field.
3926 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3928 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3930 PR tree-optimization/43544
3931 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3932 First argument for builtin vectorized function hook is now a
3933 tree to be able to distinguish between machine specific and
3935 * targhooks.c (default_builtin_vectorized_function): Ditto.
3936 * targhooks.h (default_builtin_vectorized_function): Ditto.
3937 * target.h (struct gcc_target): Ditto.
3938 * tree-vect-stmts.c (vectorizable_function): Ditto.
3939 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3940 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3943 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3946 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3947 nested binding iff it is a FUNCTION_DECL.
3948 (store_parm_decls_newstyle): Pass nested=true to bind for
3949 FUNCTION_DECLs amongst parameters.
3951 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3953 * var-tracking.c (vt_expand_loc_callback): Don't run
3954 cselib_expand_value_rtx_cb in dummy mode if
3955 cselib_dummy_expand_value_rtx_cb returned false.
3957 * var-tracking.c (emit_note_insn_var_location): For one part
3958 notes with offset 0, don't add EXPR_LIST around the location.
3959 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3960 add_location_or_const_value_attribute): Adjust for that change.
3963 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3964 into first operand and location into second.
3965 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3966 dw_cfi_oprnd_loc for DW_CFA_expression.
3967 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3968 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3969 assume first argument is regnum and second argument is location.
3971 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3974 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3975 of scratch register to DImode. Split to DImode comparison operator.
3976 Use SImode subreg of scratch register in the multiplication.
3977 (*cmp_sadd_sidi): Ditto.
3978 (*cmp_ssub_si): Ditto.
3979 (*cmp_ssub_sidi): Ditto.
3981 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3984 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3985 Remove invalid assert and wrong comment.
3987 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3990 * flags.h (final_insns_dump_p): New extern.
3991 * final.c (final_insns_dump_p): New variable.
3992 (rest_of_clean_state): Set it before -fdump-final-insns=
3993 dumping, clear afterwards.
3994 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3995 MEM_ALIAS_SET on MEMs.
3997 2010-03-26 David S. Miller <davem@davemloft.net>
3999 * configure.ac: Fix sparc GOTDATA_OP bug check.
4000 * configure: Rebuild.
4002 2010-03-26 Alan Modra <amodra@gmail.com>
4004 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4006 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4008 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4009 TLS_SECTION_ASM_FLAG.
4011 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4014 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4015 Clear first_function_block_is_cold.
4018 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4019 argument if the argument is truth_value_p.
4021 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4023 * config/rs6000/constraints.md: Update copyright year for my changes.
4026 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4027 used in reg+reg addressing, swap registers.
4029 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4032 * target.h (struct gcc_target): Add code_end hook.
4033 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4035 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4036 * toplev.c (compile_file): Call targetm.asm_out.code_end
4037 hook before unwind info/debug info output.
4038 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4039 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4040 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4041 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4042 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4043 * config/i386/i386.c (ix86_file_end): Renamed to...
4044 (ix86_code_end): ... this. Make static. Don't call
4045 file_end_indicate_exec_stack. Emit unwind info using
4046 final_start_function/final_end_function.
4047 (darwin_x86_file_end): Remove.
4048 (TARGET_ASM_CODE_END): Define.
4049 * config/i386/i386.h (TARGET_ASM_FILE_END,
4050 NEED_INDICATE_EXEC_STACK): Don't define.
4051 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4052 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4053 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4054 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4057 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4058 at the beginning and final_end_function at the end.
4059 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4061 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4063 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4064 and Sun as TLS syntax.
4065 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4066 * configure: Regenerate.
4067 * config.in: Regenerate.
4068 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4069 (default_elf_asm_named_section): Use it.
4070 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4071 (i386_output_dwarf_dtprel): Likewise.
4072 (output_addr_const_extra): Likewise.
4073 (output_pic_addr_const): Lowercase @GOTTPOFF.
4074 (output_addr_const_extra): Likewise.
4075 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4076 (output_addr_const_extra): Likewise.
4077 (output_pic_addr_const): Lowercase @INDNTPOFF.
4078 (output_addr_const_extra): Likewise.
4079 (output_pic_addr_const): Lowercase @NTPOFF.
4080 (output_addr_const_extra): Likewise.
4081 (output_pic_addr_const): Lowercase @TPOFF.
4082 (output_addr_const_extra): Likewise.
4083 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4084 (*tls_global_dynamic_64): Likewise.
4085 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4086 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4088 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4089 (ASM_OUTPUT_TLS_COMMON): Use it.
4090 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4093 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4094 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4095 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4096 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4097 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4098 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4100 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4102 * config/i386/i386.c (override_options): Don't accept
4103 -mtls-dialect=sun any longer.
4104 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4105 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4106 (*tls_local_dynamic_base_32_sun): Likewise.
4107 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4109 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4112 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4113 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4116 * ira.c (adjust_cleared_regs): New function.
4117 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4121 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4123 * expr.c (expand_expr_real): Restore previous
4124 curr_insn_source_location and curr_insn_block after
4125 expand_expr_real_1 call.
4126 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4127 instead of expand_expr_real_1.
4129 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4131 PR rtl-optimization/43413
4132 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4135 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4138 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4139 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4141 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4143 * config/i386/i386.c (ix86_target_string): Add -mfma.
4144 Fix a typo in comment.
4146 2010-03-22 Mike Stump <mikestump@comcast.net>
4149 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4150 Don't overly align based upon packed packed fields.
4152 2010-03-22 Jason Merrill <jason@redhat.com>
4154 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4155 Use () rather than [], and move before the element type.
4157 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4159 * doc/configfiles.texi (Configuration Files): Removed
4160 fixinc/Makefile*, intl/Makefile.*.
4161 * doc/makefile.texi: Fixed markup. Abstract from version
4162 control system used.
4163 (Makefile): Removed obsolete gcc/java/parse.y example.
4164 * doc/sourcebuild.texi: Likewise.
4165 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4166 libgomp, libssp. Removed fastjar.
4167 (Miscellaneous Docs): Clarify location.
4168 Added COPYING3, COPYING3.LIB.
4169 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4171 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4174 * config/i386/i386.c (x86_function_profiler)
4175 [!NO_PROFILE_COUNTERS]: Fix typo.
4176 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4179 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4180 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4182 * doc/sourcebuild.texi (Test Directives): Split into six
4183 subsections, with most of the current text in new subsections
4184 Directives, Selectors, and Final Actions.
4185 (Directives): Split list of test directives into multiple
4187 (Selectors): Describe use and syntax of selectors.
4188 (Effective-Target Keywords): Describe all existing keywords.
4189 (Add Options): Describe features for dg-add-options.
4190 (Require Support): Describe variants of dg-require-support.
4191 (Final Actions): Describe commands to use in dg-final.
4193 2010-03-22 Michael Matz <matz@suse.de>
4196 * recog.c (validate_replace_rtx_group): Replace also in
4197 REG_EQUAL and REG_EQUIV notes.
4199 2010-03-22 Richard Guenther <rguenther@suse.de>
4201 PR tree-optimization/43390
4202 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4203 sure vector extracts are type correct.
4205 2010-03-22 Richard Guenther <rguenther@suse.de>
4208 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4209 x * sqrt (x) even when optimizing for size if the target
4210 has native support for sqrt.
4212 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4214 * varasm.c (make_decl_rtl_for_debug): Also clear
4215 flag_mudflap for the duration of make_decl_rtl call.
4218 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4219 locs from preserved VALUEs.
4221 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4224 * pa.md (movmemsi): Set align to one if zero.
4225 (movmemdi): Likewise.
4227 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4230 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4231 with their corresponding prologue pushes.
4233 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4236 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4237 at the begining or end.
4238 (spu_expand_epilogue): Likewise.
4240 2010-03-20 Richard Guenther <rguenther@suse.de>
4242 PR rtl-optimization/43438
4243 * combine.c (make_extraction): Properly zero-/sign-extend an
4244 extraction of the low part of a CONST_INT. Also handle
4247 2010-03-19 Mike Stump <mikestump@comcast.net>
4249 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4250 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4251 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4253 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4256 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4259 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4261 PR rtl-optimization/42258
4262 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4263 use that may match DEF.
4266 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4267 the cost of loading the constant rather than assuming
4269 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4270 outer code is AND, do the same tests as the andsi3 expander and
4271 return COSTS_N_INSNS (1) if and is cheap.
4273 * optabs.c (avoid_expensive_constant): Fix formatting.
4275 2010-03-19 Michael Matz <matz@suse.de>
4278 * attribs.c (decl_attributes): When rebuilding a function pointer
4279 type use the same qualifiers as the original pointer type.
4281 2010-03-19 Martin Jambor <mjambor@suse.cz>
4283 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4284 and is_gimple_ip_invariant_address.
4286 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4289 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4291 * config/arm/arm.c (arm_override_options): Turn off
4292 flag_dwarf2_cfi_asm for AAPCS variants.
4294 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4297 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4298 Use PRE_MODIFY instead of PRE_DEC.
4299 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4300 (vfp_emit_fstmd): Likewise.
4302 2010-03-19 Michael Matz <matz@suse.de>
4305 * builtins.c (expand_builtin_interclass_mathfn,
4306 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4309 2010-03-19 Richard Guenther <rguenther@suse.de>
4311 PR tree-optimization/43415
4312 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4313 (phi_translate_1): ... this.
4314 (phi_translate): Move all caching here. Cache all NARY
4315 and REFERENCE translations.
4317 2010-03-19 David S. Miller <davem@davemloft.net>
4319 With help from Eric Botcazou.
4320 * config/sparc/sparc.c: Include dwarf2out.h.
4321 (emit_pic_helper): Delete.
4322 (pic_helper_symbol_name): Delete.
4323 (pic_helper_emitted_p): Delete.
4324 (pic_helper_needed): New.
4325 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4326 (get_pc_thunk_name): New.
4327 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4328 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4329 Set pic_helper_needed to true. Don't call emit_pic_helper.
4330 (sparc_expand_prologue): Update load_pic_register call.
4331 (sparc_output_mi_thunk): Likewise.
4332 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4333 thunk if possible. Output CFI information as needed.
4335 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4336 Jack Howarth <howarth@bromo.med.uc.edu>
4339 * config/i386/i386.h: Fix ABI on darwin x86-32.
4341 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4343 * tree.h: Declare make_decl_rtl_for_debug.
4344 * varasm.c (make_decl_rtl_for_debug): New.
4345 * dwarf2out.c (rtl_for_decl_location): Call it.
4346 * cfgexpand.c (expand_debug_expr): Call it.
4348 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4351 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4355 * var-tracking.c (vt_init_cfa_base): Do nothing if
4356 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4358 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4361 * var-tracking.c (canonicalize_vars_star): New.
4362 (dataflow_post_merge_adjust): Use it.
4364 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4367 * var-tracking.c (non_suitable_const): New function.
4368 (add_uses): For DEBUG_INSNs with constants, don't record any
4369 value, instead just the constant value itself.
4370 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4371 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4372 (emit_notes_in_bb): Likewise.
4373 (emit_note_insn_var_location): For onepart variables if
4374 cur_loc is a VOIDmode constant, use DECL_MODE.
4376 2010-03-18 Martin Jambor <mjambor@suse.cz>
4379 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4380 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4381 all non-clones. Moved call redirection...
4382 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4383 (cgraph_materialize_all_clones): Dispose of all
4384 combined_args_to_skip bitmaps.
4385 (verify_cgraph_node): Do not check for edges pointing to wrong
4386 nodes in inline clones.
4387 * tree-inline.c (copy_bb): Call
4388 cgraph_redirect_edge_call_stmt_to_callee.
4389 * ipa.c (cgraph_remove_unreachable_nodes): Call
4390 cgraph_node_remove_callees even when there are used clones.
4392 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4394 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4396 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4399 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4402 2010-03-18 Michael Matz <matz@suse.de>
4405 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4406 into sqrt(x) if we need to preserve signed zeros.
4408 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4409 Eric Botcazou <ebotcazou@adacore.com>
4411 PR rtl-optimization/43360
4412 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4413 note if we don't know its invariant status.
4415 2010-03-18 Michael Matz <matz@suse.de>
4417 PR tree-optimization/43402
4418 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4419 PHI chains of ssa names registered for update.
4421 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4424 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4425 non-offsettable and pre_modify update addressing.
4426 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4427 and "2" alternatives "#".
4428 (*movdd_softfloat32): Make all alternatives "#";
4429 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4430 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4431 (*movdf_softfloat32): Make all alternatives "#";
4432 (movdi): Use the new DIFD mode iterator to create a common splitter
4433 for movdi, movdf and movdd patterns.
4435 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4437 * common.opt (dumpdir): Remove redundant tab.
4439 2010-03-17 Martin Jambor <mjambor@suse.cz>
4441 PR tree-optimization/43347
4442 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4443 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4445 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4447 PR rtl-optimization/42216
4448 * regrename.c (create_new_chain): New function, broken out from...
4449 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4450 appending a use to an empty chain.
4451 (build_def_use): Remove previous changes that convert OP_INOUT to
4452 OP_OUT operands; instead detect the case where an OP_INOUT operand
4453 uses a previously untracked register and create an empty chain for it.
4455 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4457 * doc/extend.texi (Function Attributes): Rewrite unfinished
4458 sentence in ms_abi documentation.
4460 2010-03-17 Alan Modra <amodra@gmail.com>
4462 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4463 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4464 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4465 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4467 2010-03-16 Richard Henderson <rth@redhat.com>
4470 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4471 (lower_try_finally): Save and restore eh_seq around the expansion
4474 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4476 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4477 statements before splitting block.
4479 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4481 * doc/sourcebuild.texi (Testsuites): Fix markup.
4482 Use pathnames relative to gcc/testsuite.
4483 (Test Directives): Move description of how timeout is determined.
4484 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4485 (C Tests): Correct gcc.misc-tests directory.
4486 Framework tests now live in gcc.test-framework.
4488 2010-03-16 Richard Guenther <rguenther@suse.de>
4491 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4492 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4494 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4495 Alexandre Oliva <aoliva@redhat.com>
4497 PR tree-optimization/42917
4498 * lambda-code.c (remove_iv): Skip debug statements.
4499 (lambda_loopnest_to_gcc_loopnest): Likewise.
4500 (not_interesting_stmt): Debug statements are not interesting.
4502 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4506 * cselib.c (cselib_preserve_constants,
4507 cfa_base_preserved_val): New static variables.
4508 (preserve_only_constants): New function.
4509 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4510 clear its REG_VALUES. If cselib_preserve_constants, don't
4511 empty the whole hash table, but preserve there VALUEs with constants,
4512 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4513 (cselib_preserve_cfa_base_value): New function.
4514 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4515 (cselib_init): Change argument to int bitfield. Set
4516 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4518 (cselib_finish): Clear cselib_preserve_constants and
4519 cfa_base_preserved_val.
4520 * cselib.h (enum cselib_record_what): New enum.
4521 (cselib_init): Change argument to int.
4522 (cselib_preserve_cfa_base_value): New prototype.
4523 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4524 * dse.c (dse_step1): Likewise.
4525 * cfgcleanup.c (thread_jump): Likewise.
4526 * sched-deps.c (sched_analyze): Likewise.
4527 * gcse.c (local_cprop_pass): Likewise.
4528 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4529 If FN is non-NULL, call the callback always and whenever it returns
4530 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4531 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4532 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4533 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4534 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4535 * var-tracking.c: Include recog.h.
4536 (bb_stack_adjust_offset): Remove.
4537 (vt_stack_adjustments): Don't call it, instead just gather the
4538 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4539 (adjust_stack_reference): Remove.
4540 (compute_cfa_pointer): New function.
4541 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4542 (struct adjust_mem_data): New type.
4543 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4545 (get_address_mode): New function.
4546 (replace_expr_with_values): Use it.
4547 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4548 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4549 (adjust_sets): Remove.
4550 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4551 Use get_address_mode.
4552 (get_adjusted_src): Remove.
4553 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4554 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4555 (add_with_sets): Don't call adjust_sets.
4556 (fp_setter, vt_init_cfa_base): New functions.
4557 (vt_initialize): Change return type to bool. Move most of pool etc.
4558 initialization to the beginning of the function from end. Pass
4559 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4560 If !frame_pointer_needed, call vt_stack_adjustment before mos
4561 vector is filled, call vt_init_cfa_base if argp/framep has been
4562 eliminated to sp. If frame_pointer_needed and argp/framep has
4563 been eliminated to hard frame pointer, set
4564 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4565 encountering fp setter in the prologue. For MO_ADJUST, call
4566 log_op_type before pusing the op into mos vector, not afterwards.
4567 Call adjust_insn before cselib_process_insn/add_with_sets,
4568 call cancel_changes (0) afterwards.
4569 (variable_tracking_main_1): Adjust for vt_initialize calling
4570 vt_stack_adjustments and returning whether it succeeded or not.
4572 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4574 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4577 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4579 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4581 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4582 drap_reg has not been set.
4584 2010-03-15 Michael Matz <matz@suse.de>
4587 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4588 use it to expand block copies.
4589 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4590 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4591 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4593 2010-03-15 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/43367
4596 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4599 2010-03-15 Richard Guenther <rguenther@suse.de>
4601 PR tree-optimization/43317
4602 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4604 2010-03-15 Martin Jambor <mjambor@suse.cz>
4606 PR tree-optimization/43141
4607 * tree-sra.c (create_abstract_origin): New function.
4608 (modify_function): Call create_abstract_origin.
4610 2010-03-15 Chris Demetriou <cgd@google.com>
4612 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4615 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4618 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4619 call insert_out_of_ssa_copy for default definitions.
4621 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4623 * graphite-clast-to-gimple.c (my_long_long): Defined.
4624 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4625 * graphite-sese-to-poly.c (my_long_long): Defined.
4626 (scop_ivs_can_be_represented): Use it.
4628 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4630 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4631 graphite-max-bbs-per-function, and loop-block-tile-size.
4632 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4634 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4636 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4638 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4639 forward declaration.
4640 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4641 (add_upper_bounds_from_estimated_nit): New.
4642 (build_loop_iteration_domains): Use it.
4644 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4646 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4648 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4651 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4652 should be an INTEGER_CST. Also handle CASE_CONVERT.
4654 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4656 * graphite.c (graphite_initialize): To bound the number of bbs per
4657 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4658 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4659 * doc/invoke.texi: Document it.
4661 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4663 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4664 * graphite-sese-to-poly.h (build_poly_scop): Same.
4666 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4668 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4669 the number of parameters in the scop. Use as an upper bound
4670 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4671 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4672 * doc/invoke.texi: Document it.
4674 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4676 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4677 * doc/c-tree.texi: Remove.
4678 * doc/generic.texi: Merge c-tree.texi here.
4679 * doc/gccint.texi (Trees): Remove menu entry.
4680 (c-tree.texi): Remove @include.
4681 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4682 * doc/languages.texi (Reading RTL): Ditto.
4684 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4687 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4689 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4692 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4693 code added to work around reload clobbering CONST insns.
4695 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4697 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4698 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4699 (cselib_preserve_only_values): Remove retain argument, don't
4700 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4701 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4702 * var-tracking.c (micro_operation): Move insn field before union.
4703 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4704 (struct variable_tracking_info_def): Remove n_mos field, change
4705 mos into a vector of micro_operations.
4706 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4707 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4708 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4709 changing into a vector.
4710 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4711 come before all other uops generated by add_stores.
4712 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4714 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4715 a vector. Run just one pass over the bbs instead of separate counting
4716 and computation phase.
4717 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4720 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4721 into *nonlocalized_list vector.
4722 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4723 even if origin is non-NULL.
4724 (gen_variable_die): Likewise.
4725 (process_scope_var): Don't change origin.
4726 (gen_decl_die): Likewise.
4727 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4728 before adding new edges instead of after it, fix moving over
4731 2010-03-11 David S. Miller <davem@davemloft.net>
4733 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4735 * configure: Rebuild.
4737 2010-03-11 Martin Jambor <mjambor@suse.cz>
4739 PR tree-optimization/43257
4740 * tree.c (assign_assembler_name_if_neeeded): New function.
4741 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4743 * tree.h (assign_assembler_name_if_neeeded): Declare.
4744 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4745 the function if needed.
4747 2010-03-11 Chris Demetriou <cgd@google.com>
4749 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4750 include/stdint-gcc.h, and include/stdint.h world-readable.
4752 2010-03-11 Richard Guenther <rguenther@suse.de>
4754 PR tree-optimization/43255
4755 * tree-vrp.c (process_assert_insertions_for): Do not insert
4756 asserts for trivial conditions.
4758 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4760 PR tree-optimization/43280
4761 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4762 generation. Move calculation of size out of the if branch.
4763 (find_bswap): Modify compare number generation.
4765 2010-03-11 Richard Guenther <rguenther@suse.de>
4768 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4769 (input_gimple_stmt): Fixup handled component types during
4770 operand read. Also fix up decls in ADDR_EXPRs.
4772 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4774 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4775 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4777 2010-03-10 Jan Hubicka <jh@suse.cz>
4780 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4781 * varasm.c (get_variable_section): Don't do that here...
4782 (make_decl_rtl): ... and here.
4783 (do_assemble_alias): Produce decl RTL.
4784 (assemble_alias): Likewise.
4786 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4789 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4790 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4792 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4793 (based_loc_descr): Only express drap or vdrap regno based expressions
4794 using DW_OP_fbreg when not optimizing.
4795 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4796 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4797 REG_CFA_SET_VDRAP note.
4799 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4801 PR tree-optimization/43236
4802 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4803 error in calculation of base address in reverse iteration case.
4804 (generate_builtin): Take number of latch executions if the statement
4807 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4810 * tree-eh.c: Include pointer-set.h.
4811 (lower_eh_dispatch): Filter out duplicate case labels and
4812 remove the unneeded edge when the label is unused. Return
4813 true when some edges are removed.
4814 (execute_lower_eh_dispatch): When any lowering resulted in
4815 removing an edge, also delete unreachable blocks.
4817 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4820 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4821 UNSPEC_MACHOPIC_OFFSET.
4823 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4826 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4827 (m68k_delegitimize_address): New function.
4829 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4832 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4835 * var-tracking.c (adjust_sets): New function.
4836 (count_with_sets, add_with_sets): Use it.
4837 (get_adjusted_src): New inline function.
4838 (add_stores): Use it.
4841 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4842 call cselib_dummy_expand_value_rtx_cb instead of
4843 cselib_expand_value_rtx_cb.
4846 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4847 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4848 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4849 and .cfi_endproc around the pic thunks.
4850 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4851 all queued unwind info register saves are saved before the call.
4852 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4853 considered as sp-=4 for unwind info and the pop as sp+=4 which
4854 also clobbers dest, but doesn't actually restore it.
4857 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4858 RTX_FRAME_RELATED_P.
4860 2010-03-09 Jie Zhang <jie@codesourcery.com>
4862 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4863 whitespaces in output template.
4865 2010-03-09 Jie Zhang <jie@codesourcery.com>
4867 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4870 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4872 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4873 builtins.exp in a separate job.
4875 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4877 * graphite-sese-to-poly.c (add_param_constraints): Use
4878 lower_bound_in_type and upper_bound_in_type.
4880 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4882 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4883 instead of unsigned_type_node.
4885 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4886 Reza Yazdani <reza.yazdani@amd.com>
4889 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4890 on pointer type parameters.
4892 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4896 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4897 handle conversions from pointer to integers.
4898 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4899 induction variable, to be able to work with code generated by CLooG.
4900 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4901 (build_poly_scop): Bail out if we cannot codegen a loop.
4903 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4905 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4906 code generation with gloog_error.
4908 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4910 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4911 Call fold_convert on all the returned values.
4912 (expand_scalar_variables_expr): Pass to
4913 expand_scalar_variables_ssa_name the type of the resulting expression.
4915 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4917 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4918 ppl_min_for_le_pointset.
4919 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4920 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4922 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4924 * graphite-dependences.c (map_into_dep_poly): Removed.
4925 (dependence_polyhedron_1): Use combine_context_id_scat.
4927 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4929 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4930 (struct poly_bb): Same.
4931 (combine_context_id_scat): New.
4933 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4936 * sese.c (name_defined_in_loop_p): Return false for default
4939 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4941 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4942 and clean up the logic.
4944 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4946 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4949 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4951 * var-tracking.c (remove_cselib_value_chains): Define only for
4953 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4954 delete_slot_part, emit_notes_for_differences_1): Don't call
4955 remove_cselib_value_chains here.
4956 (set_slot_part, emit_notes_for_differences_2): Don't call
4957 add_cselib_value_chains here.
4958 (preserved_values): New vector.
4959 (preserve_value): New function.
4960 (add_uses, add_stores, vt_add_function_parameters): Use it
4961 instead of cselib_preserve_value.
4962 (changed_values_stack): New vector.
4963 (check_changed_vars_0): New function.
4964 (check_changed_vars_1, check_changed_vars_2): Use it.
4965 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4966 changed_values_stack VALUEs.
4967 (vt_emit_notes): For all preserved_values call
4968 add_cselib_value_chains. If ENABLE_CHECKING call
4969 remove_cselib_value_chains before verifying value_chains is empty.
4970 Initialize and free changed_values_stack.
4971 (vt_initialize): Initialize preserved_values.
4972 (vt_finalize): Free preserved_values.
4974 2010-03-08 Richard Guenther <rguenther@suse.de>
4976 PR tree-optimization/43269
4977 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4980 2010-03-08 Martin Jambor <mjambor@suse.cz>
4982 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4983 (ipa_is_param_called): Removed.
4984 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4985 (ipa_print_node_params): Do not print the called flag.
4986 (ipa_write_node_info): Do not stream the called flag.
4987 (ipa_read_node_info): Likewise.
4989 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4992 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4993 * cselib.c (struct expand_value_data): Add dummy field.
4994 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4996 (cselib_dummy_expand_value_rtx_cb): New function.
4997 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4999 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5000 * var-tracking.c: Include pointer-set.h.
5001 (variable): Change n_var_parts to char from int. Add
5002 cur_loc_changed and in_changed_variables fields.
5003 (variable_canonicalize): Remove.
5004 (shared_var_p): New inline function.
5005 (unshare_variable): Maintain cur_loc_changed and
5006 in_changed_variables fields. If var was in changed_variables,
5007 replace it there with new_var. Just copy cur_loc instead of
5008 resetting it to something else.
5009 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5010 (dataflow_set_union): Don't call variable_canonicalize.
5011 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5012 of their DEBUG_EXPR_TREE_DECLs.
5013 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5014 and in_changed_variables and cur_loc_changed is false.
5015 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5016 and cur_loc_changed. Don't update cur_loc here.
5017 (variable_merge_over_src): Don't call variable_canonicalize.
5018 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5019 removing loc that is equal to cur_loc, clear cur_loc,
5020 set cur_loc_changed and ensure variable_was_changed is called.
5021 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5022 compare pointers in cur_loc check, if it is equal to loc,
5023 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5024 (variable_different_p): Remove compare_current_location argument,
5025 don't compare cur_loc.
5026 (dataflow_set_different_1): Adjust variable_different_p caller.
5027 (variable_was_changed): If dv had some var in changed_variables
5028 already, reset in_changed_variables flag for it and propagate
5029 cur_loc_changed over to the new variable. On empty var
5030 always set cur_loc_changed. Set in_changed_variables on whatever
5031 var is added to changed_variables.
5032 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5033 Use shared_var_p. When removing loc that is equal to cur_loc,
5034 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5035 end, don't set it to something else, just call variable_was_changed.
5036 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5037 loc being removed, clear cur_loc and set cur_loc_changed.
5038 Set cur_loc_changed if all locations have been removed.
5039 (struct expand_loc_callback_data): New type.
5040 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5041 allocated. Always create SUBREGs if simplify_subreg failed.
5042 Prefer to use cur_loc, when that fails and still in
5043 changed_variables (and seen first time) recompute it. Set
5044 cur_loc_changed of variables which had to change cur_loc and
5045 compute elcd->cur_loc_changed if any of the subexpressions used
5046 had to change cur_loc.
5047 (vt_expand_loc): Adjust to pass arguments in
5048 expand_loc_callback_data structure.
5049 (vt_expand_loc_dummy): New function.
5050 (emitted_notes): New variable.
5051 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5052 that weren't used for any other decl in current
5053 emit_notes_for_changes call call vt_expand_loc_dummy to update
5054 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5055 first loc_chain location if NULL before. Always use just
5056 cur_loc instead of first loc_chain location. When cur_loc_changed
5057 is false, when not --enable-checking=rtl just don't emit any note.
5058 When rtl checking, compute the note and assert it is the same
5059 as previous note. Clear cur_loc_changed and in_changed_variables
5060 at the end before removing from changed_variables.
5061 (check_changed_vars_3): New function.
5062 (emit_notes_for_changes): Traverse changed_vars to call
5063 check_changed_vars_3 on each changed var.
5064 (emit_notes_for_differences_1): Clear cur_loc_changed and
5065 in_changed_variables. Recompute cur_loc of new_var.
5066 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5067 (vt_emit_notes): Initialize and destroy emitted_notes.
5069 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5071 PR rtl-optimization/42220
5072 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5073 Use verify_reg_tracked to determine if we should use OP_OUT rather
5075 (build_def_use): If we see an in-out operand for a register that we
5076 know nothing about, treat is an output if possible, fail the block if
5079 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5082 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5085 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5088 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5089 uses of relevant DEFs that are dead outside the loop too.
5091 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5093 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5095 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5097 * var-tracking.c (values_to_unmark): New variable.
5098 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5099 values_to_unmark vector. Moved body to...
5100 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5101 instead queue it into values_to_unmark vector.
5102 (vt_find_locations): Free values_to_unmark vector.
5104 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5106 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5107 (site.exp): Export them when plugins are enabled.
5109 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5112 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5114 (chrec_fold_multiply): Same.
5116 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5119 * c-decl.c (build_compound_literal): Return early if init is
5122 2010-03-04 Martin Jambor <mjambor@suse.cz>
5124 PR tree-optimization/43164
5125 PR tree-optimization/43191
5126 * tree-sra.c (type_consists_of_records_p): Reject records with
5127 zero-size bit-fields at the end.
5129 2010-03-04 Mike Stump <mikestump@comcast.net>
5131 * Makefile.in (TAGS): Remove *.y.
5133 2010-03-04 Richard Guenther <rguenther@suse.de>
5135 PR tree-optimization/40761
5136 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5138 (my_rev_post_order_compute): New function.
5139 (init_pre): Call it.
5141 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5144 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5145 decrease the cost of an IV candidate when the cost is infinite.
5147 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5149 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5150 Use '3DNow!' for the extension of that name, ensure normal space
5152 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5154 2010-03-03 Jeff Law <law@redhat.com>
5156 * PR middle-end/32693
5157 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5158 than gen_rtx_SUBREG.
5159 (extract_bit_field_1): Likewise.
5161 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5163 * doc/sourcebuild.texi (Test directives): Document that arguments
5164 include-opts and exclude-opts are now optional for dg-skip-if,
5165 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5167 2010-03-03 Jason Merrill <jason@redhat.com>
5170 * cgraph.h (varpool_node): Add extra_name field.
5171 * varpool.c (varpool_extra_name_alias): New.
5172 (varpool_assemble_decl): Emit extra name aliases.
5173 (varpool_mark_needed_node): Look past an extra name alias.
5174 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5175 * lto-streamer-in.c (lto_input_tree): Read it.
5176 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5178 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5180 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5181 (sparc*-*-solaris2*): ...this.
5183 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5186 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5187 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5188 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5189 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5192 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5193 fallthrough to default handling, just with want_address 0 instead of 2.
5194 For single element lists, add_AT_loc directly, otherwise create an
5195 artificial variable DIE and stick location list to it.
5198 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5199 (VAL_EXPR_HAS_REVERSE): Define.
5200 (reverse_op): New function.
5201 (add_stores): For reversible operations add an extra MO_VAL_USE.
5203 2010-03-02 Jason Merrill <jason@redhat.com>
5205 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5207 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5209 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5210 (sparc64-*-linux*): Likewise.
5211 (sparc64-*-solaris2*): Include assembler files before linker ones.
5212 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5213 * config/sparc/gas.h: Delete.
5214 * config/sparc/sol2-64.h: Add copyright notice.
5215 * config/sparc/sol2-gas-bi.h: Likewise.
5216 * config/sparc/sol2-gld.h: Likewise.
5217 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5218 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5219 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5220 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5221 (sparc_elf_asm_named_section): Rename into...
5222 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5224 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5226 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5228 2010-03-02 Jeff Law <law@redhat.com>
5231 * reload1.c (rtx_p, substitute_stack): Declare.
5232 (substitute): Record addresses of changed rtxs.
5233 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5234 Restore the original rtx when complete.
5235 (reload): Free subsitute_stack when complete.
5237 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5239 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5240 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5242 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5243 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5244 Torture Tests): Change from subsection to section.
5246 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5247 Steven Bosscher <steven@gcc.gnu.org>
5249 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5252 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5255 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5256 the assignment from the new induction variable to the assignment
5257 of the value from the original loop PHI function.
5259 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5260 Daniel Jacobowitz <dan@codesourcery.com>
5262 * doc/sourcebuild.texi (Test directives): Clarify options to
5265 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5267 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5268 Disable cfi directives unless GCC and gas agree on using read-only
5269 .eh_frame sections for 64-bit.
5270 * configure: Regenerate.
5272 2010-03-01 Richard Guenther <rguenther@suse.de>
5274 PR tree-optimization/43220
5275 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5276 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5278 2010-03-01 Richard Guenther <rguenther@suse.de>
5279 Martin Jambor <mjambor@suse.cz>
5282 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5283 gimplified parameters.
5285 2010-03-01 Christian Bruel <christian.bruel@st.com>
5287 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5289 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5291 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5293 2010-03-01 Richard Guenther <rguenther@suse.de>
5296 * expr.c (expand_assignment): Use the alias-oracle to tell
5297 if the rhs aliases the result decl.
5299 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5302 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5303 to sol_gt_pch_get_address.
5304 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5305 64-bit, SPARC and x86.
5306 (sol_gt_pch_get_address): New function.
5308 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5310 * toplev.h (inform_n, error_n): Declare.
5311 * diagnostic.c (inform_n, error_n): New function.
5313 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5315 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5316 has no rtl yet when processing local_decls, queue it and recheck
5317 if deferred stack allocation hasn't assigned it rtl.
5319 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5321 * config/sh/sh.c (unspec_bbr_uid): New.
5322 (gen_block_redirect): Use it instead of INSN_UID.
5323 (gen_far_branch): Likewise.
5325 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5327 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5328 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5330 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5332 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5333 (Warning Options): -Wno-conversion-null is valid for
5334 Objective-C++ as well.
5335 * doc/tm.texi (Named Address Spaces): Likewise.
5336 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5337 * doc/tree-ssa.texi (Tree SSA): Likewise.
5339 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5342 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5343 by default. Don't set the default arch for
5344 i[34567]86-*-darwin*|x86_64-*-darwin*.
5346 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5349 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5350 default. Set the default 32bit/64bit archs with $with_arch
5351 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5353 2010-02-27 Richard Guenther <rguenther@suse.de>
5355 PR tree-optimization/43186
5356 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5357 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5358 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5359 unroller iterations.
5361 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5363 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5364 required and i[34567]86-*-* targets don't support 64bit ISA.
5366 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5369 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5372 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5374 * config.gcc: Set the default arch at least to Prescott for
5375 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5376 if SSE math is enabled.
5378 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5380 * diagnostic.c (diagnostic_initialize): Update.
5381 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5383 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5384 (diagnostic_inhibit_notes): New.
5385 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5387 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5390 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5391 * doc/standards.texi: Likewise.
5392 * doc/extend.texi: Likewise.
5393 * doc/trouble.texi: Likewise.
5394 * doc/cppopts.texi: Likewise.
5395 * doc/install.texi: Likewise.
5396 * c.opt (std=c90,std=gnu90): New options.
5397 * c-opts.c (c_common_handle_option): Handle them.
5399 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5402 * c-decl.c (undeclared_variable): Use an informative note.
5404 2010-02-26 Richard Guenther <rguenther@suse.de>
5406 PR tree-optimization/43186
5407 * gimple.h (gimple_fold): Remove.
5408 * gimple.c (gimple_fold): Remove. Inline into single user ...
5409 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5410 Try harder for conditions.
5412 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5415 * function.c (used_types_insert): Don't skip through named pointer
5416 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5417 and it is different from the main variant's type.
5419 2010-02-26 Nick Clifton <nickc@redhat.com>
5421 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5423 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5425 * config.gcc: Support --with-fpmath=sse for x86.
5427 * config/i386/ssemath.h: New.
5429 * doc/install.texi (--with-fpmath=sse): Documented.
5431 2010-02-26 Richard Guenther <rguenther@suse.de>
5433 PR tree-optimization/43188
5434 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5435 vector types of over-aligned element type.
5437 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5440 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5441 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5443 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5445 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5447 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5449 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5450 * var-tracking.c: Include diagnostic.h.
5451 (debug_dv): New function.
5452 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5455 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5456 (add_value_chain, add_value_chains, remove_value_chain,
5457 remove_value_chains): Handle DEBUG_EXPRs.
5458 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5461 * regcprop.c (struct queued_debug_insn_change): New type.
5462 (struct value_data_entry): Add debug_insn_changes field.
5463 (struct value_data): Add n_debug_insn_changes field.
5464 (debug_insn_changes_pool): New variable.
5465 (free_debug_insn_changes, apply_debug_insn_changes,
5466 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5467 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5468 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5470 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5472 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5473 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5474 changes, call cprop_find_used_regs via note_stores.
5475 (copyprop_hardreg_forward): When copying vd from predecessor
5476 which has any queued DEBUG_INSN changes, make sure the pointers are
5477 cleared. At the end call df_analyze and then if there are any
5478 DEBUG_INSN changes queued at the end of some basic block for still
5479 live registers, apply them.
5480 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5482 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5484 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5487 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5489 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5490 targets. Set the default with_cpu/with_arch from arch/cpu.
5491 Allow x86-64 and native for with_cpu/with_arch.
5493 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5495 * ebitmap.c: Change calls to verify_popcount with calls to
5496 sbitmap_verify_popcount.
5497 (ebitmap_clear_bit): Fixed map->cacheindex test and
5498 map>cache update when bit clearing results in an empty
5501 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5504 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5505 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5506 and support both V2DF and V2DI modes.
5507 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5508 support both V2DF and V2DI modes.
5509 (general): Delete trailing whitespace from a few patterns.
5511 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5512 V2DF/V2DI interleave high/low builtins.
5514 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5517 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5518 interleave high/low functions.
5520 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5522 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5523 #pragma extern_prefix.
5525 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5528 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5529 BLKmode, assert op0 is a MEM and just adjust its mode.
5532 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5533 if bitpos isn't multiple of mode's bitsize.
5535 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5537 * c.opt (-ftemplate-depth=): New.
5538 (-ftemplate-depth-): Deprecate.
5539 * optc-gen.awk: Handle -ftemplate-depth=.
5540 * opth-gen.awk: Likewise.
5541 * c-opts.c (c_common_handle_option): Likewise.
5542 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5544 2010-02-24 Jason Merrill <jason@redhat.com>
5546 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5548 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5550 * cfg.c (alloc_aux_for_block): Remove inline.
5551 (alloc_aux_for_edge): Likewise.
5553 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5555 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5557 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5559 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5560 * config/i386/sol2-gas.h: New file.
5561 * config.gcc (i[34567]86-*-solaris2*): Use it.
5563 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5566 * c-typeck.c (ep_convert_and_check): New.
5567 (build_conditional_expr): Use it.
5568 (build_binary_op): Likewise.
5570 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5572 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5575 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5576 bounds even for -O+.
5577 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5578 expr needs to have DECL_NAME set.
5580 2010-02-24 Nick Clifton <nickc@redhat.com>
5582 * config/mep/mep.c: Include gimple.h.
5583 (mep_function_uses_sp): Delete unused function.
5584 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5585 parameters. Use unsigned integers to count args. Return a
5586 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5588 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5591 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5592 greater or equal to nelt instead of 2 * nelt.
5593 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5596 2010-02-23 Jason Merrill <jason@redhat.com>
5599 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5600 in cfun->local_decls even if they have register types.
5603 * stor-layout.c (place_field): Don't warn about unnecessary
5604 DECL_PACKED if the type is packed.
5606 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5609 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5610 GOTOFF relocs, even when the base reg isn't pic pointer.
5612 2010-02-23 Michael Matz <matz@suse.de>
5615 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5616 (expand_gimple_basic_block): Generate and use debug temps if there
5617 are debug uses left after the last real use of TERed ssa names.
5618 Unlink debug immediate uses when they are expanded.
5620 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5623 * config/i386/i386.c (override_options): Reorganise to provide
5624 better error messages.
5626 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5629 * graphite-scop-detection.c (create_single_exit_edge): Move
5630 the call to find_single_exit_edge to....
5631 (create_sese_edges): ...here. Don't handle multiple edges
5632 exiting the function.
5633 (build_graphite_scops): Don't handle multiple edges
5634 exiting the function.
5636 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5639 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5640 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5642 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5645 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5647 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5650 * c-typeck.c (convert_arguments): Print declaration location.
5651 * c-common.c (validate_nargs): Rename as
5652 builtin_function_validate_nargs.
5653 (check_builtin_function_arguments): Update.
5655 2010-02-22 Richard Guenther <rguenther@suse.de>
5658 * tree-inline.c (declare_return_variable): Use the type of
5659 the call stmt lhs if available.
5661 2010-02-22 Duncan Sands <baldrick@free.fr>
5663 * passes.c (register_pass): Always consider all pass lists when
5664 ref_pass_instance_number is zero.
5666 2010-02-22 Richard Guenther <rguenther@suse.de>
5668 PR tree-optimization/42749
5669 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5670 parameter. Do arithmetic in the original type.
5671 (update_accumulator_with_ops): Likewise.
5672 (adjust_accumulator_values): Adjust.
5674 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5676 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5677 (QI to BLKmode splitter): New splitter.
5679 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5681 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5682 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5684 2010-02-22 Richard Guenther <rguenther@suse.de>
5686 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5688 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5690 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5691 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5692 ($(T)crti.o, $(T)crtn.o): Remove rules.
5694 2010-02-21 Tobias Burnus <burnus@net-b.de>
5697 * doc/invoke.texi (-fassociative-math): Document that this
5698 option is automatically enabled for Fortran.
5700 2010-02-20 David S. Miller <davem@davemloft.net>
5702 * configure.ac: Test if linker and assembler properly support
5703 GOTDATA_OP relocations.
5704 * configure: Rebuild.
5705 * config.in: Likewise.
5706 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5707 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5708 (movsi_high_pic): Likewise.
5709 (movdi_lo_sum_pic): Likewise.
5710 (movdi_high_pic): Likewise.
5711 (movsi_pic_gotdata_op): New pattern.
5712 (movdi_pic_gotdata_op): Likewise.
5713 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5714 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5716 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5719 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5720 attribute to ssemul.
5721 (xop_mulv2div2di3_high): Ditto.
5723 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5726 * c.opt (Wconversion-null): New option.
5727 * doc/invoke.texi (Wconversion-null): Document.
5729 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5731 * common.opt (Wlarger-than-): Add Undocumented.
5733 2010-02-19 Mike Stump <mikestump@comcast.net>
5735 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5737 2010-02-19 Jason Merrill <jason@redhat.com>
5740 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5741 * configure: Likewise.
5743 2010-02-20 Alan Modra <amodra@gmail.com>
5746 * cgraph.h (cgraph_make_decl_local): Declare.
5747 * cgraph.c (cgraph_make_decl_local): New function.
5748 (cgraph_make_node_local): Use it.
5749 * cgraphunit.c (cgraph_function_versioning): Likewise.
5750 * ipa.c (function_and_variable_visibility): Likewise.
5752 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5755 * except.c (sjlj_emit_function_enter): Don't call
5756 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5758 * rtl.h (add_reg_br_prob_note): Remove prototype.
5760 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5763 * c-common.c (conversion_warning): Remove widening conversions
5764 before checking the conversion of integers to reals.
5766 2010-02-19 Mike Stump <mikestump@comcast.net>
5769 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5772 * cgraphunit.c (process_function_and_variable_attributes): Check
5773 DECL_PRESERVE_P instead of looking up attribute "used".
5774 * ipa-pure-const.c (check_decl): Likewise.
5775 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5776 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5777 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5778 instead of attribute "used".
5779 * config/sol2-c.c (solaris_pragma_init): Likewise.
5780 (solaris_pragma_fini): Likewise.
5782 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5784 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5785 Use XCNEW instead of xcalloc.
5786 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5787 XNEW instead of xmalloc.
5788 (get_fields): Use XNEWVEC instead of xmalloc.
5791 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5792 populate vars array.
5793 (create_new_general_access): For debug stmts just reset value.
5794 (get_stmt_accesses): For accesses within debug stmts just record them
5795 using add_access_to_acc_sites instead of preventing the peeling or
5796 counting them as accesses.
5799 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5801 2010-02-19 Richard Guenther <rguenther@suse.de>
5803 PR tree-optimization/42916
5804 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5807 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5809 * configure.ac: Replace all uses of changequote in macro arguments
5810 with proper quoting.
5812 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5815 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5817 2010-02-19 Richard Guenther <rguenther@suse.de>
5819 PR tree-optimization/42944
5820 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5821 test for aliasing with errno.
5823 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5826 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5827 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5828 * dojump.c: Include output.h.
5829 (inv): New inline function.
5830 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5831 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5832 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5833 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5834 argument, pass it down to other calls.
5835 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5836 add REG_BR_PROB note to the conditional jump.
5837 * cfgexpand.c (add_reg_br_prob_note): Removed.
5838 (expand_gimple_cond): Don't call it, add the probability
5839 as last argument to jumpif_1/jumpifnot_1.
5840 * Makefile.in (dojump.o): Depend on output.h.
5841 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5843 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5844 * stmt.c (do_jump_if_equal): Likewise.
5845 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5846 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5847 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5849 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5850 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5851 jumpifnot_1 callers.
5852 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5854 (store_expr): Adjust jumpifnot caller.
5855 (store_constructor): Adjust jumpif caller.
5858 * gimplify.c (gimple_boolify): For __builtin_expect call
5859 gimple_boolify also on its first argument.
5861 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5863 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5865 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5866 * configure: Regenerated.
5868 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5870 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5871 lang_hooks.types_compatible_p instead of comptypes.
5873 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5875 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5876 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5877 if __prefer_thumb__ is defined.
5879 2010-02-18 Martin Jambor <mjambor@suse.cz>
5881 PR tree-optimization/43066
5882 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5883 array with zero-sized element type.
5885 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5887 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5888 rtx, allocate struct var_loc_node here and return it to the
5889 caller, and only if it is actually needed.
5890 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5891 move it earlier and return immediately if it returns NULL.
5893 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5895 * config/sparc/gas.h: New file. Restore
5896 TARGET_ASM_NAMED_SECTION to its ELF default.
5897 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5899 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5900 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5901 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5902 after sparc/sysv4.h.
5904 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5906 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5908 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5910 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5911 patterns from predicated pattern.
5913 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5916 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5917 for insn mnemonic suffix.
5919 2010-02-17 Richard Guenther <rguenther@suse.de>
5921 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5924 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5927 * caller-save.c (save_call_clobbered_regs): If BB ends with
5928 a DEBUG_INSN, move any notes in between last real insn and the last
5929 DEBUG_INSN after the last DEBUG_INSN.
5931 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5933 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5934 Fix return type. Fix argument type. Explain meaning of return value.
5936 2010-02-16 Richard Guenther <rguenther@suse.de>
5938 PR tree-optimization/41043
5939 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5940 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5942 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5944 2010-02-16 Ira Rosen <irar@il.ibm.com>
5946 PR tree-optimization/43074
5947 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5948 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5949 vectorizable cycles in hybrid SLP check.
5950 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5952 2010-02-16 Richard Guenther <rguenther@suse.de>
5954 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5955 (true_dependence): If memrefs_conflict_p computes must-alias
5956 trust it. Move TBAA check after offset-based disambiguation.
5957 (canon_true_dependence): Likewise.
5959 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5961 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5962 * doc/invoke.texi: Document it.
5963 * var-tracking.c: Include toplev.h and params.h.
5964 (vt_find_locations): Return bool indicating success. Compute
5965 hash sizes unconditionally. Check new parameter, report.
5966 (variable_tracking_main_1): Check vt_find_locations results and
5967 retry. Renamed from...
5968 (variable_tracking_main): ... this. New wrapper to preserve
5969 flag_var_tracking_assignments.
5970 * Makefile.in (var-tracking.o): Adjust dependencies.
5972 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5973 Jakub Jelinek <jakub@redhat.com>
5976 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5977 if weak_import attribute is present.
5978 * config/darwin.c (machopic_select_section): Likewise.
5980 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5982 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5983 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5984 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5985 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5987 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5990 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5993 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5994 Rewrite text to refer to the names.
5996 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5998 * config/i386/i386-builtin-types.def
5999 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6000 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6001 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6002 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6003 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6004 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6005 IX86_BUILTIN_VPERMIL2PS256.
6006 (MULTI_ARG_4_DF2_DI_I): Defined.
6007 (MULTI_ARG_4_DF2_DI_I1): Defined.
6008 (MULTI_ARG_4_SF2_SI_I): Defined.
6009 (MULTI_ARG_4_SF2_SI_I1): Defined.
6010 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6011 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6012 __builtin_ia32_vpermil2ps256.
6013 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6014 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6015 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6016 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6017 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6018 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6019 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6020 CODE_FOR_xop_vpermil2v8sf3.
6021 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6022 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6023 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6024 (_mm256_permute2_pd): New.
6025 (_mm_permute2_ps): New.
6026 (_mm256_permute2_ps): New.
6028 2010-02-15 Nick Clifton <nickc@redhat.com>
6030 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6031 boolean parameters. Use emit_jump_insn when emitting a pop
6032 instruction containing a return insn.
6033 (push): Use 'true' rather than '1' as second parameter to F.
6034 (h8300_expand_prologue): Likewise.
6035 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6036 (h8300_expand_epilogue): Likewise.
6038 2010-02-15 Richard Guenther <rguenther@suse.de>
6041 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6044 2010-02-15 Nick Clifton <nickc@redhat.com>
6046 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6049 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6051 * intl.c (fake_ngettext): New function.
6052 * intl.h (fake_ngettext): Declare.
6053 (ngettext): Define macro.
6054 * collect2.c (notice_translated): New function.
6055 (main): Use notice_translated and ngettext.
6056 * collect2.h (notice_translated): Declare.
6058 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6060 * reorg.c (delete_computation): Comment fixes.
6061 * caller-save.c (setup_save_areas): Idem.
6062 * sel-sched-dump.c (dump_lv_set): Idem.
6065 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6067 * config/s390/s390.c (s390_sched_init): New function.
6068 (TARGET_SCHED_INIT): Target hook defined.
6070 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6071 Jack Howarth <howarth@bromo.med.uc.edu>
6072 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6075 Partial revert of unintended change in fix for PR41605.
6076 * config/darwin.h: Fix typo.
6077 * config/darwin9.h: Same.
6079 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6081 * c-pch.c (pch_init): Clear v.
6083 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6086 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6087 graphite_can_represent_init for MULT_EXPR.
6089 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6093 * graphite-sese-to-poly.c (remove_phi): New.
6094 (translate_scalar_reduction_to_array): Call remove_phi.
6096 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6099 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6100 * graphite-clast-to-gimple.h (gloog): Update declaration.
6101 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6102 * graphite-poly.h (struct poly_bb): Add missing comments.
6103 (struct scop): Add poly_scop_p field.
6105 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6106 * graphite.c (graphite_transform_loops): Build the polyhedral
6107 representation for each scop before code generation.
6108 * sese.c (rename_variables_in_operand): Removed.
6109 (rename_variables_in_expr): Return the renamed expression.
6110 (rename_sese_parameters): New.
6111 * sese.h (rename_sese_parameters): Declared.
6113 2010-02-11 Richard Guenther <rguenther@suse.de>
6115 PR tree-optimization/42998
6116 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6117 POINTER_PLUS_EXPR properly.
6119 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6120 Changpeng Fang <changpeng.fang@amd.com>
6123 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6124 the cost of an IV candidate when the IV is used in a test against zero.
6126 * gcc.dg/tree-ssa/ivopts-3.c: New.
6128 2010-02-11 Richard Guenther <rguenther@suse.de>
6131 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6132 pointer-vs-decl case by swapping refs. Handle some cases
6133 of pointer-vs-decl disambiguations more conservatively.
6134 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6135 to false after expanding.
6137 2010-02-11 Richard Guenther <rguenther@suse.de>
6140 * gcc.c (process_command): Handle LTO file@offset case more
6143 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6145 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6146 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6148 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6150 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6151 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6152 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6153 Optimize eq/ne comparisons when both arguments are known to be
6155 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6156 Don't mask operands unnecessarily if they are known to be already
6159 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6161 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6164 2010-02-10 Richard Guenther <rguenther@suse.de>
6166 PR tree-optimization/43017
6167 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6168 for wrapping signed arithmetic.
6170 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6173 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6174 if no debug info should be emitted for it.
6176 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6178 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6179 note when flag_exceptions is set.
6181 2010-02-10 Duncan Sands <baldrick@free.fr>
6183 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6185 2010-02-10 Richard Guenther <rguenther@suse.de>
6188 * tree.c (get_unwidened): Handle constants.
6189 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6191 2010-02-10 Martin Jambor <mjambor@suse.cz>
6194 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6195 check for variable argument counts independently.
6197 2010-02-10 Christian Bruel <christian.bruel@st.com>
6200 * config/sh/sh.c (find_barrier): Increase length for non delayed
6201 conditional branches.
6203 2010-02-10 Christian Bruel <christian.bruel@st.com>
6205 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6207 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6209 * builtins.c (set_builtin_user_assembler_name): Also handle
6210 ffs if int is smaller than word.
6212 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6215 * ira-conflicts.c (get_dup): Remove.
6216 (process_reg_shuffles): Add new parameter. Use it as an
6217 additional guard for copy generation.
6218 (add_insn_allocno_copies): Rewrite.
6220 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6222 * common.opt (fsched2-use-traces): Preserved for backward
6224 * doc/invoke.texi: Remove the documentation about option
6225 -fsched2-use-traces.
6226 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6227 flag_sched2_use_traces.
6228 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6229 the backward compatibility flag section.
6231 2010-02-09 Richard Guenther <rguenther@suse.de>
6233 PR tree-optimization/43008
6234 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6235 make HEAP variables initialized from global memory if they
6236 are not known builtin functions.
6237 (find_func_aliases): Adjust.
6239 2010-02-09 Richard Guenther <rguenther@suse.de>
6241 PR tree-optimization/43000
6242 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6243 arithmetic manually.
6245 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6247 PR tree-optimization/42931
6248 * tree-loop-linear.c (try_interchange_loops): Don't call
6249 double_int_mul if estimated_loop_iterations failed.
6251 2010-02-08 Martin Jambor <mjambor@suse.cz>
6254 * tree-sra.c (build_accesses_from_assign): Do not mark in
6255 should_scalarize_away_bitmap if stmt has volatile ops.
6256 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6259 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6261 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6263 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6265 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6268 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6271 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6273 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6276 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6277 to unknown_dependence.
6278 (graphite_legal_transform_dr): Handle the unknown_dependence.
6279 (graphite_carried_dependence_level_k): Same.
6281 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6283 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6285 2010-02-07 Richard Guenther <rguenther@suse.de>
6288 * expr.c (get_inner_reference): Always initialize *pbitsize.
6290 2010-02-07 Richard Guenther <rguenther@suse.de>
6293 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6294 new ARRAY_REFs on variable size element or minimal index arrays.
6296 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6297 gimple_fold_indirect_ref.
6299 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6302 * arm.c (arm_override_options): Just return if the user has specified
6303 an invalid fpu name.
6305 2010-02-03 Jason Merrill <jason@redhat.com>
6308 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6309 i386_pe_maybe_record_exported_symbol.
6311 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6314 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6315 (pa_delegitimize_address): New function.
6317 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6319 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6320 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6322 2010-02-05 Richard Guenther <rguenther@suse.de>
6325 * lto-streamer-in.c (get_resolution): Deal with references
6326 to undefined functions.
6328 2010-02-05 Richard Guenther <rguenther@suse.de>
6330 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6331 (fold_const_aggregate_ref): Likewise.
6332 (ccp_fold_stmt): Substitute loads.
6333 (maybe_fold_reference): Verify types before substituting.
6335 (fold_gimple_assign): Unshare properly.
6336 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6338 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6340 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6341 for rs6000_gen_cell_microcode.
6343 2010-02-04 Richard Guenther <rguenther@suse.de>
6345 PR rtl-optimization/42952
6346 * dse.c (const_or_frame_p): Remove MEM handling.
6348 2010-02-04 Nick Clifton <nickc@redhat.com>
6350 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6351 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6352 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6353 (mn10300_asm_output_mi_thunk): New function.
6354 (mn10300_can_output_mu_thunk): New function.
6355 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6356 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6357 (FUNCTION_ARG): Delete incorrect comment.
6359 2010-02-03 Jason Merrill <jason@redhat.com>
6362 * fold-const.c (operand_equal_p): Handle erroneous types.
6364 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6366 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6368 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6370 PR rtl-optimization/42941
6371 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6374 2010-02-03 Jason Merrill <jason@redhat.com>
6377 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6379 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6382 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6383 (cselib_reset_table): Renamed from...
6384 (cselib_reset_table_with_next_value): ... this.
6385 (cselib_get_next_uid): Renamed from...
6386 (cselib_get_next_unknown_value): ... this.
6387 * cselib.c (next_uid): Renamed from...
6388 (next_unknown_value): ... this.
6389 (cselib_clear_table): Adjust.
6390 (cselib_reset_table): Adjust. Renamed from...
6391 (cselib_reset_table_with_next_value): ... this.
6392 (cselib_get_next_uid): Adjust. Renamed from...
6393 (cselib_get_next_unknown_value): ... this.
6394 (get_value_hash): Use hash.
6395 (cselib_hash_rtx): Likewise.
6396 (new_cselib_val): Adjust. Set and dump uid.
6397 (cselib_lookup_mem): Pass next_uid as hash.
6398 (cselib_subst_to_values): Likewise.
6399 (cselib_log_lookup): Dump uid.
6400 (cselib_lookup): Pass next_uid as hash. Adjust.
6401 (cselib_process_insn): Adjust.
6402 (cselib_init): Initialize next_uid.
6403 (cselib_finish): Adjust.
6404 (dump_cselib_table): Likewise.
6405 * dse.c (canon_address): Dump value uid.
6406 * print-rtl.c (print_rtx): Print value uid.
6407 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6409 (dv_uid): New function, sort of renamed from...
6410 (dv_htab_hash): ... this, reimplemented in terms of it and...
6411 (dv_uid2hash): ... this. New.
6412 (variable_htab_eq): Drop excess assertions.
6413 (tie_break_pointers): Removed.
6414 (canon_value_cmp): Compare uids.
6415 (variable_post_merge_New_vals): Print uids.
6416 (vt_add_function_parameters): Adjust.
6417 (vt_initialize): Reset table. Adjust.
6419 2010-02-03 Richard Guenther <rguenther@suse.de>
6421 PR tree-optimization/42944
6422 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6423 (call_may_clobber_ref_p_1): Likewise. Properly handle
6424 malloc and calloc clobbering errno.
6426 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6428 * doc/invoke.texi: Fix name of sched1 dump.
6430 * opts.c (decode_options): Set flag_tree_switch_conversion
6431 only conditionally on optimize >= 2.
6433 * gcse.c: Assorted comment fixes in pass description.
6435 2010-02-03 Anthony Green <green@moxielogic.com>
6437 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6438 nop padding in order to maintain alignment of storage location of
6439 target function address.
6440 (moxie_trampoline_init): Store target function address at newly
6442 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6444 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6446 2010-02-03 Richard Guenther <rguenther@suse.de>
6449 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6451 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6453 * config.gcc: Reenable check for obsolete targets.
6454 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6455 mips-sgi-irix6.[0-4]*.
6457 2010-02-02 Nick Clifton <nickc@redhat.com>
6459 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6460 constant size of 4 as being the same as 0.
6461 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6462 can take values in the range 0..4.
6464 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6467 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6468 as _darwin10_Unwind_FindEnclosingFunction().
6469 * libgcc-libsystem.ver: New.
6471 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6474 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6475 implicitly set registers.
6477 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6479 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6480 (arm_override_options): Allow automatic selection of the thread
6481 pointer register if thumb2.
6482 (legitimize_pic_address): Improve code sequences for Thumb2.
6483 (arm_call_tls_get_addr): Likewise.
6484 (legitimize_tls_address): Likewise.
6485 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6486 (pic_load_addr_32bit): ... this. New named pattern.
6487 * thumb2.md (pic_load_addr_thumb2): Delete.
6488 (pic_load_dot_plus_four): Delete.
6489 (tls_load_dot_plus_four): New named pattern.
6491 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6494 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6495 Document fix for TLS bug.
6497 2010-01-31 Richard Guenther <rguenther@suse.de>
6499 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6500 conservatively correct.
6502 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6506 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6508 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6510 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6514 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6516 * config.gcc: Adjust order of makefile fragments for mingw targets.
6518 2010-01-31 Richard Guenther <rguenther@suse.de>
6521 * gimplify.c (gimplify_init_constructor): For volatile LHS
6522 initialize a temporary.
6524 2010-01-31 Matthias Klose <doko@ubuntu.com>
6526 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6528 * configure: Regenerate.
6530 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6532 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6533 the same alias set and their sizes different constantness.
6534 (aliasing_component_refs_p): Revert 2009-10-24 change.
6536 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6538 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6541 2010-01-29 Richard Guenther <rguenther@suse.de>
6543 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6544 Assert we successfully updated the call.
6546 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6548 PR rtl-optimization/42889
6549 * df.h (df_set_bb_dirty_nonlr): New prototype.
6550 * df-core.c (df_set_bb_dirty_nonlr): New function.
6551 * df-scan.c (df_insn_rescan): Call it instead of
6552 df_set_bb_dirty for DEBUG_INSNs.
6554 2010-01-29 Richard Guenther <rguenther@suse.de>
6557 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6558 quadratic behavior in most cases.
6560 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6563 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6564 in the call to gen_x86_movsicc_0_m1.
6566 2010-01-28 Richard Guenther <rguenther@suse.de>
6568 PR tree-optimization/42871
6569 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6571 2010-01-28 Richard Guenther <rguenther@suse.de>
6573 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6574 into call arguments.
6576 2010-01-28 Richard Guenther <rguenther@suse.de>
6579 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6580 the forwarder if the destination is an EH landing pad.
6582 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6584 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6585 block list passed to gimple_duplicate_sese_tail.
6586 (parallelize_loops): Avoid parallelization when the function
6588 Avoid parallelization when the preheader is IRREDUCIBLE.
6589 Try to optimize when estimated_loop_iterations_int is unresolved.
6590 Add the loop's location to the dump file.
6591 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6592 (gimple_duplicate_sese_tail): Remove the check for the latch.
6593 Redirect nexits to the exit block.
6594 Remove handling of the incoming edges to the latch.
6595 Redirect the backedge from the copied latch to the exit bb.
6597 2010-01-28 Michael Matz <matz@suse.de>
6600 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6601 Wrap force_reg into a sequence, emit it before user.
6603 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6605 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6607 (arm_legacy_rev): Likewise.
6608 (thumb_legacy_rev): Likewise.
6610 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6612 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6613 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6614 on MEM's address failed, try avoid_constant_pool_reference and
6615 recurse if it returned something different.
6616 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6617 address, try avoid_constant_pool_reference and recurse if it
6618 returned something different.
6619 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6620 address and avoid_constant_pool_reference returned something
6621 different, don't set have_address.
6623 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6626 * var-tracking.c (val_store): Add modified argument, obey it.
6628 (count_uses): Move down logging of main.
6629 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6630 don't need resolution.
6631 (emit_notes_in_bb): Likewise.
6633 2010-01-27 Richard Guenther <rguenther@suse.de>
6636 * tree-inline.c (remap_decl): Delay remapping of SSA name
6637 default definitions until we need them.
6639 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6641 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6642 (rs6000_delegitimize_address): New function.
6644 * config/s390/s390.c (s390_delegitimize_address): Call
6645 delegitimize_mem_from_attrs.
6648 * tree-inline.c (cannot_copy_type_1): Removed.
6649 (copy_forbidden): Don't forbid copying of functions containing
6650 records/unions with variable length fields.
6652 2010-01-27 Christian Bruel <christian.bruel@st.com>
6656 * config/sh/sh.c (find_barrier): Increase length for non delayed
6657 conditional branches.
6659 2010-01-27 Matthias Klose <doko@ubuntu.com>
6661 * configure.ac (gnu-unique-object): Fix ldd version check.
6662 * configure: Regenerate.
6664 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6666 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6668 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6669 Test for HAVE_GNU_AS value.
6671 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6673 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6674 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6675 INT64_TYPE): Define.
6676 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6677 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6678 INT_LEAST64_TYPE): Define.
6679 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6680 UINT_LEAST64_TYPE): Define.
6681 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6682 INT_FAST64_TYPE): Define.
6683 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6684 UINT_FAST64_TYPE): Define.
6685 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6686 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6687 (SIG_ATOMIC_TYPE): Define.
6689 2010-01-26 Richard Guenther <rguenther@suse.de>
6691 * df-scan.c (df_scan_set_bb_info): Remove assert.
6692 (df_insn_rescan_debug_internal): Merge asserts.
6693 (df_install_ref): Likewise.
6694 (df_mark_reg): Use bitmap_set_range.
6695 (df_hard_reg_used_p): Remove assert.
6696 (df_hard_reg_used_count): Likewise.
6698 2010-01-26 Richard Guenther <rguenther@suse.de>
6700 PR rtl-optimization/42685
6701 * web.c (web_main): Ignore DEBUG_INSNs.
6703 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6705 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6707 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6708 Fix types of fndecl and arglist parameters.
6710 2010-01-26 Richard Guenther <rguenther@suse.de>
6713 * tree-eh.c (unsplit_eh): Skip debug insns.
6715 2010-01-26 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/42250
6718 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6720 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6723 * omp-low.c (expand_omp_sections): Only use single_pred if
6724 l2_bb is single_pred_p.
6726 2010-01-25 Christian Bruel <christian.bruel@st.com>
6729 * config/sh/sh.c (find_barrier): Increase length for non delayed
6730 conditional branches.
6731 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6733 2010-01-24 David S. Miller <davem@davemloft.net>
6735 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6736 define if not using GAS.
6737 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6738 Likewise. Delete SECTION_MERGE code, which is only applicable
6741 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6744 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6745 mangling of va_list in system headers.
6747 2010-01-23 Toon Moene <toon@moene.org>
6749 * tree-predcom.c (combine_chains): Return NULL, not false.
6751 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6753 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6754 initialization of variable res to agree with return type.
6756 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6758 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6759 * tree-sra.c: Add include of expr.h.
6761 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6763 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6764 insert the debug stmt on the single non-EH edge from the stmt.
6766 2010-01-22 Richard Henderson <rth@redhat.com>
6769 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6770 the RHS until after generate_subtree_copies has insertted its
6771 code before the current statement.
6773 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6775 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6777 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6779 2010-01-21 Martin Jambor <mjambor@suse.cz>
6781 PR tree-optimization/42585
6782 * tree-sra.c (struct access): New field grp_total_scalarization.
6783 (dump_access): Dump the new field.
6784 (should_scalarize_away_bitmap): New variable.
6785 (cannot_scalarize_away_bitmap): Likewise.
6786 (sra_initialize): Allocate new bitmaps.
6787 (sra_deinitialize): Free new bitmaps.
6788 (create_access_1): New function.
6789 (create_access): Parts moved to create_access_1.
6790 (type_consists_of_records_p): New function.
6791 (completely_scalarize_record): Likewise.
6792 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6793 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6794 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6796 (analyze_all_variable_accesses): Completely scalarize small eligible
6799 2010-01-21 Martin Jambor <mjambor@suse.cz>
6801 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6803 2010-01-21 Andrew Haley <aph@redhat.com>
6805 * gcc.c (process_command): Move lang_specific_driver before
6806 setting cc_libexec_prefix.
6808 2010-01-21 Richard Guenther <rguenther@suse.de>
6811 * fold-const.c (negate_expr_p): Pretend only negative
6812 real constants are easily negatable.
6814 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6815 Jason Merrill <jason@redhat.com>
6817 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6818 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6819 * calls.c (initialize argument_information): Handle it.
6820 * c-common.c (handle_transparent_union_attribute): Use new name.
6821 * c-decl.c (finish_struct): Ditto.
6822 * c-typeck.c (type_lists_compatible_p): Ditto.
6823 (convert_for_assignment): Use new name and also handle record.
6824 * function.c (aggregate_value_p): Handle it.
6825 (pass_by_reference): Ditto.
6826 (assign_parm_data_types): Ditto.
6827 * print-tree.c (print_node): Ditto.
6828 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6829 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6830 * tree.c (first_field): New fn.
6832 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6835 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6836 even when linking statically, for now.
6838 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6841 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6842 without a cselib val.
6843 (count_uses): Accept MO_VAL_SET with no val on stores.
6844 (add_stores): Likewise.
6846 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6848 * var-tracking.c (check_value_val): Add a compile time assertion.
6849 (dv_is_decl_p): Simplify.
6850 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6851 gcc_assert if ENABLE_CHECKING.
6853 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6856 * var-tracking.c: Include tree-flow.h.
6857 (mem_dies_at_call): New.
6858 (dataflow_set_preserve_mem_locs): Use it.
6859 (dataflow_set_remove_mem_locs): Likewise.
6860 (dump_var): Renamed from dump_variable. Adjust all callers.
6861 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6862 * Makefile.in (var-tracking.o): Adjust deps.
6864 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6866 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6868 2010-01-20 Richard Guenther <rguenther@suse.de>
6870 PR tree-optimization/42717
6871 * tree-ssa-dce.c (get_live_post_dom): Remove.
6872 (forward_edge_to_pdom): Take an arbitrary edge to copy
6873 degenerate PHI args from.
6874 (remove_dead_stmt): Use the first post-dominator even if it
6875 does not contain live statements as redirection destination.
6877 2010-01-20 Richard Guenther <rguenther@suse.de>
6879 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6881 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6883 * sel-sched.c (create_speculation_check): Remove set but not used
6885 (try_transformation_cache): Remove set but not used variable ds.
6886 (calculate_privileged_insns): Remove set but not used variables
6887 cur_insn and min_spec_insn.
6888 (find_best_expr): Remove set but not used variable avail_n.
6889 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6891 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6893 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6894 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6897 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6900 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6901 cpu types. Add support for *-sse3 cpu types.
6902 (x86_64-*-*): Ditto.
6904 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6907 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6908 argument, call initializer_constant_valid_p_1 instead of
6909 initializer_constant_valid_p, pass CACHE to it, return NULL
6910 immediately if first call returns NULL.
6911 (initializer_constant_valid_p_1): New function.
6912 (initializer_constant_valid_p): Use it.
6914 2010-01-20 Thomas Quinot <quinot@adacore.com>
6916 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6918 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6920 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6921 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6922 (loc_list_from_tree): Don't handle unsigned division. Handle
6923 signed modulo using DW_OP_{over,over,div,mul,minus}.
6924 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6925 modulo instead of signed.
6927 2010-01-20 DJ Delorie <dj@redhat.com>
6929 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6931 (h8300_emit_stack_adjustment): Propogate it.
6933 (h8300_expand_prologue): Likewise.
6934 (h8300_expand_epilogue): Likewise.
6936 2010-01-19 Michael Matz <matz@suse.de>
6938 PR tree-optimization/41783
6939 * tree-data-ref.c (toplevel): Include flags.h.
6940 (dump_data_dependence_relation): Also dump the inputs if the
6941 result will be unknown.
6942 (split_constant_offset_1): Look through some conversions.
6943 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6944 the offset from last element is too large.
6945 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6946 (reassociate_to_the_same_stmt): Handle vector registers.
6947 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6949 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6950 wide_prolog_niters argument, emit widening instructions.
6951 (vect_do_peeling_for_alignment): Adjust caller, use widened
6952 variant of the iteration cound.
6953 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6955 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6958 * config/arm/neon-testgen.m (emit_automatics): New parameter
6959 features. Adjust for Fixed_return_reg feature.
6960 (test_intrinsic): Call emit_automatics with new feature.
6961 * config/arm/neon.ml: Update copyright years.
6962 (features): New Fixed_return_reg feature.
6963 (ops): Update feature for Vget_low.
6965 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6967 PR tree-optimization/42719
6968 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6972 * fwprop.c (all_uses_available_at): Return false if def_set dest
6973 is a REG that is used in def_insn.
6975 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6977 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6979 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6982 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6984 * target.h (struct gcc_target) <secondary_reload>: Change type
6985 of last argument to secondary_reload_info *.
6987 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6990 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6991 memory references with unaligned offsets. Remove CQImode handling.
6992 (unaligned_memory_operand): Return 1 for memory references with
6993 unaligned offsets. Remove CQImode handling.
6995 2010-01-18 Richard Guenther <rguenther@suse.de>
6998 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7001 2010-01-18 Richard Guenther <rguenther@suse.de>
7003 PR tree-optimization/42781
7004 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7005 restrict processing only if the original variable was artificial.
7007 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7009 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7010 find number of popped argument bytes.
7012 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7013 Fix the text that describes the return value for invalid insns.
7015 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7017 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7018 Clarify what 'cost of the -dependence' is. Fix quoting.
7020 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7021 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7023 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7025 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7026 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7028 2010-01-17 Richard Guenther <rguenther@suse.de>
7031 * function.c (split_complex_args): Take a VEC to modify.
7032 (assign_parms_augmented_arg_list): Build a VEC instead of
7033 a chain of PARM_DECLs.
7034 (assign_parms_unsplit_complex): Take a VEC of arguments.
7035 Do not fixup unmodified parms.
7036 (assign_parms): Deal with the VEC.
7037 (gimplify_parameters): Likewise.
7039 2010-01-17 Richard Guenther <rguenther@suse.de>
7041 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7042 node existence check.
7043 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7044 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7045 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7046 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7047 (gimple_execute_on_growing_pred): Likewise.
7049 2010-01-17 Richard Guenther <rguenther@suse.de>
7051 PR tree-optimization/42773
7052 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7053 (compute_antic_aux): Likewise.
7054 (compute_partial_antic_aux): Likewise.
7056 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7059 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7062 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7064 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7067 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7068 Fix markup for strict argument.
7070 (TARGET_SCHED_REORDER2): Fix argument types.
7072 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7073 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7075 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7076 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7078 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7081 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7082 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7083 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7084 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7085 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7087 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7089 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7091 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7092 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7094 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7096 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7099 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7101 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7102 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7104 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7106 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7108 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7109 referring to it. Fix language.
7111 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7113 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7115 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7117 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7119 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7120 '@var{stream}. Remove stray 'and'.
7122 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7124 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7126 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7128 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7129 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7131 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7132 Fix description of return value.
7133 Rename argument "sz" to "len."
7135 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7136 Clarify meaning of 'true' return value.
7138 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7140 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7141 rep_mode versus mode_rep.
7143 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7145 (TARGET_BUILTIN_DECL): Fix name.
7147 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7149 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7151 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7153 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7155 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7157 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7160 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7161 Rename argument tm_fn to md_fn.
7163 (TARGET_OPTION_PRINT): Fix argument list.
7165 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7168 * config/i386/i386.c (ix86_fixup_binary_operands):
7169 Revert FMA4 fixup of operands.
7171 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7174 * Makefile.in (write_entries_to_file, install-plugin):
7175 Use \012 instead of \n with tr.
7177 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7179 * configure.ac (HAVE_AS_REF): New C macro.
7180 * configure: Regenerate.
7181 * config.in: Likewise.
7182 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7184 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7187 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7189 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7191 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7193 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7195 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7197 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7199 (TARGET_BINDS_LOCAL_P): Fix argument type.
7201 (TARGET_ASM_FILE_END): Use prototype.
7203 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7205 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7207 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7209 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7211 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7212 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7214 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7215 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7217 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7218 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7219 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7220 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7222 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7224 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7226 (TARGET_INIT_BUILTINS): Use prototype.
7228 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7229 Put 'const char *' in braces. Fix parameter types.
7230 (TARGET_INVALID_CONVERSION): Fix parameter types.
7231 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7232 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7234 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7237 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7239 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7241 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7243 * doc/tm.texi (TARGET_HELP): Fix return type.
7245 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7246 in braces. Fix argument types.
7248 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7250 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7252 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7254 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7255 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7257 (TARGET_MANGLE_TYPE): Fix argument types.
7259 (TARGET_IRA_COVER_CLASSES): Use prototype.
7261 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7263 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7265 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7267 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7269 (TARGET_CALLEE_COPIES): Fix argument types.
7271 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7273 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7275 (TARGET_FUNCTION_VALUE): Fix argument types.
7277 (TARGET_RETURN_IN_MSB): Fix argument type.
7279 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7281 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7283 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7285 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7286 agree with return type.
7288 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7290 2010-01-15 Jing Yu <jingyu@google.com>
7292 PR rtl-optimization/42691
7293 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7294 a pseudo to a constant and are merged, and adjust comments.
7296 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7298 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7300 2010-01-15 Richard Guenther <rguenther@suse.de>
7303 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7304 labels of computed or non-local gotos to the destination.
7305 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7306 landing pad label is the first label.
7308 2010-01-15 Richard Guenther <rguenther@suse.de>
7310 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7312 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7315 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7316 to allow generation of the xssqrtdp instruction on power7.
7317 (sqrtdf2_fpr): Ditto.
7319 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7322 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7323 functions with noreturn attribute.
7326 * varasm.c (declare_weak): Add weak attribute to decl if it
7327 doesn't have one already.
7328 (assemble_external): Only add decls to weak_decls if they also
7329 have weak attribute.
7331 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7333 * var-tracking.c (var_reg_delete): Don't delete the association
7334 between REGs and values or one-part variables if the register
7337 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7340 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7341 because its first operand is a non-localized variable.
7343 2010-01-14 Martin Jambor <mjambor@suse.cz>
7345 PR tree-optimization/42706
7346 * tree-sra.c (encountered_recursive_call): New variable.
7347 (encountered_unchangable_recursive_call): Likewise.
7348 (sra_initialize): Initialize both new variables.
7349 (callsite_has_enough_arguments_p): New function.
7350 (scan_function): Call decl and flags check only for IPA-SRA, check
7351 whether there is a recursive call and whether it has enough arguments.
7352 (all_callers_have_enough_arguments_p): New function.
7353 (convert_callers): Look for recursive calls only when
7354 encountered_recursive_call is set.
7355 (ipa_early_sra): Bail out either if
7356 !all_callers_have_enough_arguments_p or
7357 encountered_unchangable_recursive_call.
7359 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7361 * sel-sched.c: Add 2010 to copyright years.
7362 * sel-sched-ir.c: Likewise.
7363 * sel-sched-ir.h: Likewise.
7365 2010-01-14 Martin Jambor <mjambor@suse.cz>
7367 PR tree-optimization/42714
7368 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7369 constructors specially.
7371 2010-01-14 Andi Kleen <ak@linux.intel.com>
7373 * config/i386/drivers-i386.c (detect_caches_intel):
7374 Add l2sizekb parameter and fill in.
7375 (host_detect_local_cpu): Add l2sizekb, fill in.
7376 Add Atom small cache heuristic.
7378 2010-01-14 Andi Kleen <ak@linux.intel.com>
7380 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7381 Add level3 parameter and fill in.
7382 (detect_caches_intel): Handle level3 cache.
7384 2010-01-14 Andi Kleen <ak@linux.intel.com>
7386 * config/i386/drivers-i386.c (host_detect_local_cpu):
7387 Fix core duo detection.
7389 2010-01-14 Andi Kleen <ak@linux.intel.com>
7391 * config/i386/drivers-i386.c (host_detect_local_cpu):
7394 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7396 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7397 (rs6000_variable_issue_1): this. Use...
7398 (rs6000_variable_issue): here. Reimplement. Print debug info.
7400 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7402 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7403 sel_restore_notes. Update all callers. Call reemit_notes
7406 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7408 PR rtl-optimization/42246
7409 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7412 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7414 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7415 all successors is the same as number of successors in current region.
7417 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7419 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7420 to rename is not separable. Otherwise check that its LHS is not NULL.
7422 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7424 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7426 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7428 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7429 available registers when failed to discover LHS register class.
7430 Fix indentation. Update comment.
7432 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7433 Alexander Monakov <amonakov@ispras.ru>
7435 PR rtl-optimization/42389
7436 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7438 (advance_state_on_fence): Likewise.
7439 (sel_target_adjust_priority): Print debug output only when
7440 sched_verbose >= 4, not 2.
7441 (get_expr_cost): Do not issue all unique insns on the next cycle.
7442 (fill_insns): Initialize can_issue_more from the value saved
7444 * sel-sched-ir.c (flist_add): New parameter issue_more.
7445 Init FENCE_ISSUE_MORE with it.
7446 (merge_fences): Likewise.
7447 (init_fences): Update call to flist_add.
7448 (add_to_fences, add_clean_fence_to_fences)
7449 (add_dirty_fence_to_fences): Likewise.
7450 (move_fence_to_fences): Update call to merge_fences.
7451 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7453 * sel-sched-ir.h (struct _fence): New field issue_more.
7454 (FENCE_ISSUE_MORE): New accessor macro.
7456 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7458 PR rtl-optimization/42388
7459 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7460 that have no predecessors nor successors. Do not call move_bb_info
7461 for empty blocks outside of current region.
7463 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7465 PR rtl-optimization/42294
7466 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7467 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7468 originators' originators.
7470 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7472 PR rtl-optimization/39453
7473 PR rtl-optimization/42246
7474 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7476 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7478 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7479 Alexander Monakov <amonakov@ispras.ru>
7482 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7483 (maybe_tidy_empty_bb): ... here. Make static. Add new
7484 argument. Update all callers.
7485 (tidy_control_flow): ... and here. Recompute topological order
7486 of basic blocks in region if necessary.
7487 (sel_redirect_edge_and_branch): Change return type. Return true
7488 if topological order might have been invalidated.
7489 (purge_empty_blocks): Export and move from...
7490 * sel-sched.c (purge_empty_blocks): ... here.
7491 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7492 (maybe_tidy_empty_bb): Delete prototype.
7493 (purge_empty_blocks): Declare.
7495 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7497 PR rtl-optimization/42249
7498 * sel-sched.c (try_replace_dest_reg): When chosen register
7499 and original register is the same, do not bail out early, but
7500 still check all original insns for validity of replacing destination
7501 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7504 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7507 Port from no-undefined-overflow branch:
7508 2009-03-09 Richard Guenther <rguenther@suse.de>
7510 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7512 2010-01-14 Richard Guenther <rguenther@suse.de>
7515 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7517 2010-01-14 Ira Rosen <irar@il.ibm.com>
7519 PR tree-optimization/42709
7520 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7521 as scalar type in creation of constant vector operand.
7523 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7526 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7527 (check-parallel-%): Match `testsuite' directory component only
7530 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7532 PR translation/39521
7533 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7536 2010-01-13 Richard Guenther <rguenther@suse.de>
7538 PR tree-optimization/42730
7539 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7542 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7545 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7546 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7549 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7551 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7552 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7553 ___umulsi3_highpart.
7555 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7556 rather than schedule_insns if the pass is enabled.
7558 2010-01-13 Martin Jambor <mjambor@suse.cz>
7560 PR tree-optimization/42704
7561 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7564 2010-01-13 Martin Jambor <mjambor@suse.cz>
7566 PR tree-optimization/42703
7567 * tree-sra.c (analyze_access_subtree): Check that we can build a
7568 reference to the original data within the aggregate.
7570 2010-01-13 Richard Guenther <rguenther@suse.de>
7572 PR tree-optimization/42705
7573 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7575 2010-01-13 Richard Guenther <rguenther@suse.de>
7578 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7580 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7583 * var-tracking.c (values_to_unmark): New variable.
7584 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7585 values_to_unmark vector. Moved body to...
7586 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7587 instead queue it into values_to_unmark vector.
7588 (vt_find_locations): Free values_to_unmark vector.
7590 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7592 * config/s390/s390.c (override_options): Set
7593 default of max-pending-list-length to 256
7595 2010-01-13 Richard Guenther <rguenther@suse.de>
7598 * tree-pass.h (PROP_gimple_lcx): New.
7599 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7600 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7601 before the final cleanup_eh.
7602 (dump_properties): Dump PROP_gimple_lcx.
7603 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7604 (tree_lower_complex_O0): Remove.
7605 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7606 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7607 tree_lower_complex, schedule TODO_update_ssa.
7608 * lto-streamer-out.c (output_function): Stream the functions
7610 * lto-streamer-in.c (input_function): Likewise.
7611 (lto_read_body): Do not override them here.
7613 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7616 * c-typeck.c (build_c_cast): Fold value cast to union type before
7617 wrapping it in a CONSTRUCTOR.
7619 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7621 PR rtl-optimization/42699
7622 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7625 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7627 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7628 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7629 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7630 SUBTARGET_WARN_UNUSED_SPEC): ... here
7631 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7633 2010-01-12 Julian Brown <julian@codesourcery.com>
7635 * config/arm/neon-schedgen.ml (Utils): Don't try to
7636 open missing module.
7637 (find_with_result): New.
7639 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7642 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7643 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7645 PR tree-optimization/42645
7646 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7647 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7648 decl_map, set processing_debug_stmt to -1 and return name without
7651 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7653 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7654 binutils version, and reword target configuration description.
7656 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7658 * config/avr/avr.h (LINKER_NAME): Remove.
7660 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7663 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7664 that support VSX, warn for -mno-altivec if vsx is not disabled,
7667 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7668 Shujing Zhao <pearly.zhao@oracle.com>
7670 PR translation/42469
7671 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7672 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7673 character between option name and help text.
7674 * c.opt (imultilib): Likewise.
7676 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7678 * lto-streamer-out.c (output_unreferenced_globals): Output static
7681 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7683 PR rtl-optimization/42621
7684 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7685 optimizing for size.
7686 (duplicate_computed_gotos): Remove now-redundant check.
7688 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7691 * configure.ac: Save and restore LDFLAGS and LIBS
7692 * configure: Regenerate.
7694 2010-01-10 Richard Guenther <rguenther@suse.de>
7697 * builtins.c (fold_builtin_strlen): Add type argument and
7698 convert the resulting length to it.
7699 (fold_builtin_1): Adjust.
7701 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7703 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7704 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7706 (num_insns_constant_wide): Adjust for that change.
7708 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7711 * web.c (union_defs): Add used argument, to combine uses of
7713 (entry_register): Adjust type and tests of used argument.
7714 (web_main): Widen used for new use. Pass it to union_defs.
7715 * df.h (union_defs): Adjust prototype.
7717 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7720 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7721 uses in new incoming argument. Free body.
7722 (reset_debug_uses_in_loop): New.
7723 (analyze_insn_to_expand_var): Call the latter if the former found
7724 anything. Fix whitespace. Reject invalid dest overlaps before
7725 going through all insns in the loop.
7727 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7730 * haifa-sched.c (dying_use_p): Debug insns don't count.
7732 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7735 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7736 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7737 (verify_gimple_call): Reject LHS in noreturn calls.
7739 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7743 * tree-vect-loop-manip.c (adjust_info): New type.
7744 (adjust_vec): New pointer to vector.
7745 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7746 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7747 (slpeel_update_phis_for_duplicate_loop): Use them.
7748 (slpeel_update_phi_nodes_for_guard1): Likewise.
7749 (slpeel_update_phi_nodes_for_guard2): Likewise.
7750 (slpeel_tree_peel_loop_to_edge): Likewise.
7751 (vect_update_ivs_after_vectorizer): Likewise.
7753 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7755 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7756 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7758 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7760 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7761 bogus uninitialized warning.
7763 2010-01-09 Richard Guenther <rguenther@suse.de>
7766 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7767 the evolution is compatible with the initial condition.
7769 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7771 * gcc.c (process_command): Update copyright notice dates.
7772 * gcov.c (print_version): Likewise.
7773 * gcov-dump.c (print_version): Likewise.
7774 * mips-tfile.c (main): Likewise.
7775 * mips-tdump.c (main): Likewise.
7777 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7780 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7782 (rotlhi3_8): Delete.
7784 (rotlsi3_8): Delete.
7785 (rotlsi3_16): Delete.
7786 (rotlsi3_24): Delete.
7788 (*rotw<mode>3): New.
7789 (*rotb<mode>3): New.
7790 * config/avr/avr.c (avr_rotate_bytes): New function.
7791 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7793 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7796 * configure.ac: Modify -rdynamic check.
7797 * configure: Regenerate.
7799 2010-01-08 DJ Delorie <dj@redhat.com>
7801 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7802 register popping order.
7804 2010-01-08 Richard Guenther <rguenther@suse.de>
7807 * c.opt (fsigned-char): Also let LTO handle this option.
7808 (funsigned-char): Likewise.
7810 2010-01-07 Richard Guenther <rguenther@suse.de>
7812 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7813 (gimple_op): Likewise.
7814 (gimple_op_ptr): Likewise.
7815 (gimple_assign_set_lhs): Remove gcc_assert.
7816 (gimple_assign_set_rhs1): Likewise.
7817 (gimple_assign_set_rhs2): Likewise.
7818 (gimple_call_set_lhs): Likewise.
7819 (gimple_call_set_fn): Likewise.
7820 (gimple_call_set_fndecl): Likewise.
7821 (gimple_call_fndecl): Likewise.
7822 (gimple_call_return_type): Likewise.
7823 (gimple_call_set_chain): Likewise.
7824 (gimple_call_num_args): Likewise.
7825 (gimple_call_set_arg): Likewise.
7826 (gimple_cond_set_code): Likewise.
7827 (gimple_cond_set_lhs): Likewise.
7828 (gimple_cond_set_rhs): Likewise.
7829 (gimple_cond_set_true_label): Likewise.
7830 (gimple_cond_set_false_label): Likewise.
7831 (gimple_label_set_label): Likewise.
7832 (gimple_goto_set_dest): Likewise.
7833 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7834 (gimple_debug_bind_get_value): Likewise.
7835 (gimple_debug_bind_get_value_ptr): Likewise.
7836 (gimple_debug_bind_set_var): Likewise.
7837 (gimple_debug_bind_set_value): Likewise.
7838 (gimple_debug_bind_reset_value): Likewise.
7839 (gimple_debug_bind_has_value_p): Likewise.
7840 (gimple_return_retval_ptr): Remove gcc_assert.
7841 (gimple_return_retval): Likewise.
7842 (gimple_return_set_retval): Likewise.
7843 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7844 (safe_referenced_var_iterator): Remove.
7845 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7846 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7847 (fill_referenced_var_vec): Remove.
7848 (first_readonly_imm_use): Remove redundant gcc_assert.
7849 (phi_arg_index_from_use): Combine gcc_asserts.
7850 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7851 (first_imm_use_stmt): Remove redundant gcc_assert.
7852 * tree-cfg.c (verify_gimple_call): Verify function and chain
7853 operands. Verify arguments.
7854 (verify_types_in_gimple_stmt): Verify condition code and labels.
7856 2010-01-07 Richard Guenther <rguenther@suse.de>
7858 PR tree-optimization/42641
7859 * sese.c (rename_map_elt_info): Use the SSA name version, do
7862 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7864 PR tree-optimization/42625
7865 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7866 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7868 2010-01-07 Duncan Sands <baldrick@free.fr>
7870 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7872 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7875 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7876 note itself is not function_invariant_p.
7878 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7880 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7881 Do not add the DF_NOTE problem.
7882 * store-motion.c (execute_rtl_store_motion): Likewise.
7884 2010-01-07 Martin Jambor <mjambor@suse.cz>
7886 PR tree-optimization/42157
7887 * tree-sra.c (compare_access_positions): Stabilize sort if both
7888 accesses have integer types, return zero immediately if they are the
7891 2010-01-06 Richard Henderson <rth@redhat.com>
7894 * haifa-sched.c (add_to_note_list): Merge into ...
7895 (concat_note_lists): ... here, and ...
7896 (unlink_other_notes, rm_other_notes): Merge into...
7897 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7898 NOTE_INSN_EPILOGUE_BEG.
7900 2010-01-06 Richard Guenther <rguenther@suse.de>
7902 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7903 not inline regular functions into always-inline functions.
7905 2010-01-06 Nick Clifton <nickc@redhat.com>
7907 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7908 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7910 (OVERRIDE_OPTIONS): Delete.
7911 (OPTIMIZATION_OPTIONS): Define.
7912 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7913 * config/rx/rx.c (rx_handle_option): Issue an error message if
7914 -mcpu=rx200 and -fpu are used together.
7915 (rx_set_optimization_options): New function. Issue an error
7916 message if an optimization attribute attempts to reset the FPU/
7917 math optimization pairing.
7918 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7919 * config/rx/rx.opt: Set the default to 32-bit doubles.
7920 * config/rx/t-rx: Add multilibs for -nofpu option.
7921 * doc/invoke.texi: Update documentation of RX options.
7923 2010-01-06 Richard Guenther <rguenther@suse.de>
7925 * tree-ssa-pre.c (name_to_id): New global.
7926 (alloc_expression_id): Simplify SSA name handling.
7927 (lookup_expression_id): Likewise.
7928 (init_pre): Zero name_to_id.
7929 (fini_pre): Free it.
7931 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7933 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7935 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7938 * config/i386/sse.md (smaxv2di3): New.
7939 (umaxv2di3): Likewise.
7940 (sminv2di3): Likewise.
7941 (uminv2di3): Likewise.
7943 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7946 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7947 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7948 (legitimize_tls_address): Likewise.
7949 (sparc_tls_referenced_p): Likewise.
7950 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7951 and adjust calls to legitimize_pic_address.
7952 (legitimate_constant_p) Use sparc_tls_referenced_p.
7953 (legitimate_pic_operand_p): Likewise.
7954 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7955 (sparc_tls_symbol_ref_1): Delete.
7956 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7957 (legitimize_tls_address): Make static, handle CONST patterns.
7958 (legitimize_pic_address): Make static, remove unused parameter and
7959 adjust recursive calls.
7960 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7961 and adjust call to legitimize_pic_address.
7962 (sparc_output_mi_thunk): Likewise.
7964 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7965 H.J. Lu <hongjiu.lu@intel.com>
7968 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7969 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7970 operands to make them signed.
7973 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7976 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7977 GTU to GT for V4SI and V2DI.
7979 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7980 (umin<mode>3): Removed.
7982 (uminv4si3): Likewise.
7984 2010-01-05 Martin Jambor <mjambor@suse.cz>
7986 PR tree-optimization/42462
7987 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7988 current_function_decl to helper functions and macros.
7990 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7993 * flags.h: Don't include real.h.
7994 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7995 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7996 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7997 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7998 * dominance.c: Update copyright.
7999 * gimple.c (walk_gimple_op): Remove inline.
8000 * tree-ssa-reassoc.c: Include real.h.
8001 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8002 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8004 2010-01-05 Nick Clifton <nickc@redhat.com>
8006 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8007 register to push into the stack frame when the accumulator has to
8008 be saved during interrupts.
8010 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8012 * doc/invoke.texi: Remove the documentation about option
8014 * common.opt (Wunreachable-code): Preserved for backward
8016 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8017 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8018 the backward compatibility flag section.
8020 2010-01-05 Richard Guenther <rguenther@suse.de>
8022 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8024 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8027 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8029 PR tree-optimization/42508
8030 * tree-sra.c (convert_callers): Check for recursive call
8031 by comparing cgraph nodes instead of decls.
8032 (modify_function): Call ipa_modify_formal_parameters also
8033 on all same_body aliases.
8035 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8036 cgraph nodes when checking for same_body aliases.
8038 2010-01-05 Richard Guenther <rguenther@suse.de>
8040 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8041 allocation and lookup.
8042 (get_or_alloc_expr_for_constant): Likewise.
8043 (phi_translate): Sink allocation.
8045 2010-01-04 Richard Guenther <rguenther@suse.de>
8047 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8048 a new entry only if needed.
8049 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8050 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8052 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8054 (phi_translate): Handle CONSTANTs early.
8056 2010-01-04 Martin Jambor <mjambor@suse.cz>
8058 PR tree-optimization/42398
8059 * tree-sra.c (struct access): Removed flag grp_different_types.
8060 (dump_access): Do not dump the removed flag.
8061 (sort_and_splice_var_accesses): Do not set the removed flag.
8062 (sra_modify_expr): Check for type compatibility directly.
8064 2010-01-04 Martin Jambor <mjambor@suse.cz>
8066 PR tree-optimization/42366
8067 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8068 edges with variable number of parameters.
8069 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8070 flag instead of asserting it.
8071 (ipa_read_node_info): Read uses_analysis_done flag.
8073 2010-01-04 Richard Guenther <rguenther@suse.de>
8075 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8076 iterative_hash_* as intended.
8077 (vn_reference_compute_hash): Likewise. Simplify hashing
8079 (vn_reference_lookup_2): Likewise.
8080 (vn_nary_op_compute_hash): Likewise.
8081 (vn_phi_compute_hash): Likewise.
8082 (expressions_equal_p): Remove strange code.
8083 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8084 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8085 (bitmap_insert_into_set_1): Take value-id as parameter.
8086 (add_to_value): Pass it.
8087 (bitmap_insert_into_set): Likewise.
8088 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8090 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8093 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8094 (do_self_spec): For switches with SWITCH_IGNORE set set also
8095 SWITCH_IGNORE_PERMANENTLY.
8096 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8099 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8101 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8102 tree of an unreferenced global var.
8104 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8107 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8108 GTU to GT for V4SI and V2DI.
8110 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8111 (umin<mode>3): Removed.
8113 (uminv4si3): Likewise.
8115 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8118 * collect2.c (main): Turn on trace in collect2 if -v is passed
8121 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8123 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8124 description of expression operand.
8126 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8128 * configure.ac: Add install-html to target_list for Make-hooks.
8129 * configure: Regenerate.
8130 * fortran/Make-lang.in (F95_HTMLFILES): New.
8131 (fortran.html): Use it.
8132 (fortran.install-html): New.
8133 * Makefile.in (install-html): Add lang.install-html.
8134 * java/Make-lang.in (JAVA_HTMLFILES): New.
8135 (java.html): Use it.
8136 (java.install-html): New.
8137 * objc/Make-lang.in (objc.install-html): New.
8138 * objcp/Make-lang.in (obj-c++.install-html): New.
8139 * cp/Make-lang.in (c++.install-html): New.
8140 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8141 * lto/Make-lang.in (lto.install-html): New.
8143 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8146 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8148 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8150 PR rtl-optimization/41862
8151 * store-motion.c (store_killed_in_insn, compute_store_table,
8152 remove_reachable_equiv_notes, replace_store_insn,
8153 build_store_vectors): Ignore all DEBUG_INSNs.
8155 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8158 * common.opt: Add dumpdir.
8160 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8162 (option_map): Add --dumpdir.
8164 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8166 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8168 * opts.c (decode_options): Try dump_dir_name first if
8169 dump_base_name isn't an absolute path.
8170 (common_handle_option): Handle OPT_dumpdir.
8172 * toplev.c (dump_dir_name): New.
8173 (print_switch_values): Also ignore -dumpdir.
8175 * toplev.h (dump_dir_name): New.
8177 2010-01-03 Richard Guenther <rguenther@suse.de>
8179 PR tree-optimization/42589
8180 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8181 double-word expansion of bswap32.
8183 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8185 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8186 with BLOCK_FOR_INSN.
8187 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8188 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8189 noce_process_if_block): Likewise.
8190 * gcse.c (compute_local_properties, insert_expr_in_table,
8191 insert_set_in_table, canon_list_insert, find_avail_set,
8192 pre_insert_copy_insn): Likewise.
8194 * basic-block.h (BLOCK_NUM): Move from here...
8195 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8197 2010-01-03 Richard Guenther <rguenther@suse.de>
8199 PR tree-optimization/42438
8200 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8201 contains_may_not_return_call flag.
8202 (BB_MAY_NOTRETURN): New.
8203 (valid_in_sets): Trapping nary operations are not valid
8204 in blocks that may not return.
8205 (insert_into_preds_of_block): Remove check for trapping expressions.
8206 (compute_avail): Compute also BB_MAY_NOTRETURN.
8208 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8210 * doc/invoke.texi: Add 2010 to copyright years.
8212 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8214 * config/sparc/sparc.c: Fix formatting nits.
8216 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8217 Alexander Monakov <amonakov@ispras.ru>
8219 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8221 2010-01-02 Richard Guenther <rguenther@suse.de>
8224 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8225 (simplify_switch_using_ranges): Mark to be removed edges
8228 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8230 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8232 * collect2.c (scan_libraries): Add missing argument in call to
8235 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8238 * config/alpha/predicates.md (aligned_memory_operand): Return false
8240 (unaligned_memory_operand): Return true for CQImode.
8241 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8242 doesn not cross aligned SImode word boundary.
8244 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8246 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8248 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8249 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8251 2010-01-02 Richard Guenther <rguenther@suse.de>
8254 * toplev.c (compile_file): Emit LTO marker properly. Change
8256 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8258 2010-01-01 Richard Guenther <rguenther@suse.de>
8261 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8263 2010-01-01 Richard Guenther <rguenther@suse.de>
8266 * c-decl.c (grokdeclarator): For zero-size arrays force
8267 structural equality checks as layout_type does.
8269 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8271 * builtins.c: Update copyright to 2010.
8273 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8276 * lto-streamer-out.c (produce_asm): Revert the last change.
8277 (copy_function): Likewise.
8279 * lto-streamer.c (lto_get_section_name): Skip any leading
8282 2010-01-01 Richard Guenther <rguenther@suse.de>
8285 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8289 Copyright (C) 2010 Free Software Foundation, Inc.
8291 Copying and distribution of this file, with or without modification,
8292 are permitted in any medium without royalty provided the copyright
8293 notice and this notice are preserved.