1 2009-12-15 Gabriel Dos Reis <gdr@cse.tamu.edu>
3 * tree.h (VAR_DECL_P): New predicate macro.
4 (FUNCTION_DECL_P): Likewise.
5 (tree_base::lang_flag_7): New language flag.
6 (tree_base::spare): Decrease precision by one.
7 (TREE_LANG_FLAG_7): New.
9 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
12 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
13 * graphite-clast-to-gimple.c
14 (clast_to_gcc_expression): Same.
15 (precision_for_value): Same.
16 (precision_for_interval): Same.
17 (gcc_type_for_interval): Same.
18 (graphite_create_new_guard): Same.
19 (compute_bounds_for_level): Same.
20 (graphite_create_new_loop_guard): Same.
21 * graphite-interchange.c
22 (build_linearized_memory_access): Same.
23 (pdr_stride_in_loop): Same.
24 (memory_strides_in_loop_1): Same.
25 (memory_strides_in_loop): Same.
26 (extend_scattering): Same.
27 (psct_scattering_dim_for_loop_depth): Same.
28 (pbb_number_of_iterations): Same.
30 (debug_iteration_domains): Same.
32 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
33 (ppl_set_inhomogeneous_gmp): Same.
34 (ppl_strip_loop): Same.
35 (ppl_lexico_compare_linear_expressions): Same.
36 (ppl_read_polyhedron_matrix): Same.
37 (ppl_max_for_le_pointset): Same.
39 (ppl_read_polyhedron_matrix): Same.
40 (tree_int_to_gmp): Same.
41 (gmp_cst_to_tree): Same.
42 (ppl_set_inhomogeneous): Same.
43 (ppl_set_inhomogeneous_tree): Same.
45 (ppl_set_coef_tree): Same.
46 * graphite-sese-to-poly.c
47 (build_pbb_scattering_polyhedrons): Same.
48 (build_scop_scattering): Same.
49 (scan_tree_for_params_right_scev): Same.
50 (scan_tree_for_params): Same.
51 (find_params_in_bb): Same.
52 (find_scop_parameters): Same.
53 (add_upper_bounds_from_estimated_nit): Same.
54 (build_loop_iteration_domains): Same.
55 (add_condition_to_domain): Same.
56 (pdr_add_memory_accesses): Same.
58 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
60 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
61 CLooG's value_* macros to their respective mpz_* counterparts.
62 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
63 (graphite_create_new_loop_guard): Same.
64 * graphite-interchange.c (build_linearized_memory_access): Same.
65 (pdr_stride_in_loop): Same.
66 (memory_strides_in_loop_1): Same.
67 (1st_interchange_profitable_p): Same.
68 * graphite-poly.c (extend_scattering): Same.
69 (psct_scattering_dim_for_loop_depth): Same.
70 (pbb_number_of_iterations): Same.
71 (pbb_number_of_iterations_at_time): Same.
72 * graphite-poly.h (new_1st_loop): Same.
73 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
74 (oppose_constraint): Same.
75 (insert_constraint_into_matrix): Same.
76 (ppl_set_inhomogeneous_gmp): Same.
77 (ppl_set_coef_gmp): Same.
78 (ppl_strip_loop): Same.
79 (ppl_lexico_compare_linear_expressions): Same.
80 (ppl_max_for_le_pointset): Same.
81 (ppl_min_for_le_pointset): Same.
82 (ppl_build_realtion): Same.
83 * graphite-ppl.h (gmp_cst_to_tree): Same.
84 (ppl_set_inhomogeneous): Same.
85 (ppl_set_inhomogeneous_tree): Same.
87 (ppl_set_coef_tree): Same.
88 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
89 (build_scop_scattering): Same.
90 (add_value_to_dim): Same.
91 (scan_tree_for_params_right_scev): Same.
92 (scan_tree_for_params_int): Same.
93 (scan_tree_for_params): Same.
94 (find_params_in_bb): Same.
95 (find_scop_parameters): Same.
96 (add_upper_bounds_from_estimated_nit): Same.
97 (build_loop_iteration_domains): Same.
98 (create_linear_expr_from_tree): Same.
99 (add_condition_to_domain): Same.
100 (pdr_add_memory_accesses): Same.
102 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
103 Jason Merrill <jason@redhat.com>
105 * c-common.c (c_common_reswords): Add nullptr.
106 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
107 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
108 (gen_type_die_with_usage): Likewise.
109 * dbxout.c (dbxout_type): Likewise.
110 * sdbout.c (plain_type_1): Likewise.
112 2010-05-06 Jason Merrill <jason@redhat.com>
114 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
115 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
117 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
119 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
120 stripping WITH_SIZE_EXPR.
121 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
124 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
126 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
127 list of obsolete configurations.
128 Disabled check for obsolete configurations.
129 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
130 Removed support for previous versions.
131 * config/mips/iris.h: Removed.
132 * config/mips/iris5.h: Removed.
133 * config/mips/iris6.h: Merged old iris.h contents.
134 (TARGET_IRIX): Removed.
135 (DRIVER_SELF_SPECS): Removed mabi=32.
136 (IDENT_ASM_OP): Removed undef.
137 (STARTFILE_SPEC): Removed mabi=32.
138 (ENDFILE_SPEC): Likewise.
139 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
140 (MACHINE_TYPE): Update for IRIX 6.5.
141 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
142 TARGET_IRIX by TARGET_IRIX6.
143 (mips_file_start): Likewise.
144 (mips_output_external): Remove IRIX 5/6 O32 support.
145 (mips_output_function_prologue): Likewise.
146 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
148 (TARGET_CPU_CPP_BUILTINS): Likewise.
149 (TARGET_IRIX): Removed.
150 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
151 (MULTILIB_DIRNAMES): Removed 32.
152 (MULTILIB_OSDIRNAMES): Removed ../lib.
153 * doc/install.texi (Prerequisites): Don't reference IRIX before
155 (Specific, mips-sgi-irix5): Document removal.
156 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
158 Remove references to older IRIX 6 releases and the O32 ABI.
160 2010-05-06 Jakub Jelinek <jakub@redhat.com>
162 * gcc.dg/Wunused-var-8.c: Move to...
163 * c-c++-common/Wunused-var-6.c: ... here. New test.
166 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
167 instead of DF_REF_REAL_REG.
169 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
172 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
173 handling to still return true for x64 targets.
175 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
177 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
179 2010-05-06 Jan Hubicka <jh@suse.cz>
181 PR tree-optimization/43791
182 * ipa-inline.c (update_caller_keys): Remove bogus
183 disregard_inline_limits check.
185 2010-05-06 Michael Matz <matz@suse.de>
187 PR tree-optimization/43984
188 * tree-ssa-pre.c (inserted_phi_names): Remove.
189 (inserted_exprs): Change to bitmap.
190 (create_expression_by_pieces): Set bits, don't append to vector.
191 (insert_into_preds_of_block): Don't handle inserted_phi_names.
192 (eliminate): Don't look at inserted_phi_names, remove deleted
193 insns from inserted_exprs.
194 (remove_dead_inserted_code): Adjust to use bitmaps instead of
196 (init_pre, fini_pre): Allocate and free bitmaps.
197 (execute_pre): Insert insns on edges before elimination.
199 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
201 * tree.c (initializer_zerop): Handle STRING_CST.
203 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
206 * doc/invoke.texi (Wimplicit): Document as C only.
207 * opts.c (common_handle_option): Add argument kind.
208 (handle_option): Rename as read_cmdline_option. Factor out code to...
209 (handle_option): ... here. New.
210 (handle_options): Rename as read_cmdline_options.
211 (decode_options): Update call.
212 (set_option): Use option index instead of option pointer. Classify
213 diagnostics correctly.
214 (enable_warning_as_error): Call handle_option.
215 * opts.h (set_option): Update declaration.
216 (handle_option): Declare.
217 * langhooks.h (struct lang_hooks): Add argument kind to
219 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
220 * c-opts.c (set_Wimplicit): Delete.
221 (c_family_lang_mask): New static constant.
222 (c_common_handle_option): Add argument kind. Use handle_option
223 instead of set_Wimplicit.
224 (c_common_post_options): warn_implicit and warn_implicit_int
225 are disabled by default.
226 * c-common.c (warn_implicit): Do not define here.
227 * c-common.h (warn_implicit): Do not declare here.
228 (c_common_handle_option): Update declaration.
229 * lto-opts.c (lto_reissue_options): Update call to set_option.
231 2010-05-06 Richard Guenther <rguenther@suse.de>
233 PR tree-optimization/43571
234 * domwalk.c (walk_dominator_tree): Walk the dominator
235 sons in more optimal order.
237 2010-05-06 Richard Guenther <rguenther@suse.de>
239 PR tree-optimization/43934
240 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
241 (stmt_cost): Likewise.
242 (extract_true_false_args_from_phi): New helper.
243 (determine_max_movement): For PHI nodes verify we can hoist them
244 and compute their cost.
245 (determine_invariantness_stmt): Handle PHI nodes.
246 (move_computations_stmt): Likewise. Hoist PHI nodes in
247 if-converted form using COND_EXPRs.
248 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
250 (tree_ssa_lim): Likewise.
251 * tree-flow.h (tree_ssa_lim): Adjust prototype.
252 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
254 2010-05-06 Richard Guenther <rguenther@suse.de>
256 PR tree-optimization/43987
257 * tree-ssa-structalias.c (could_have_pointers): For possibly
258 address-taken variables force pointers to be recorded.
259 (create_variable_info_for_1): Likewise.
260 (push_fields_onto_fieldstack): Pass in wheter all fields
262 (find_func_aliases): Query types instead of vars whether
263 they contain pointers where appropriate.
265 2010-05-06 Jan Hubicka <jh@suse.cz>
267 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
268 (record_reference, mark_address, mark_load, mark_store): Record
270 (record_references_in_initializer): Update call of record_references.
271 (rebuild_cgraph_edges): Remove all references before rebuiding.
272 * cgraph.c (cgraph_create_node): Clear ref list.
273 (cgraph_remove_node): Remove references.
274 (dump_cgraph_node): Dump references.
275 (cgraph_clone_node): Clone references.
276 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
277 (struct cgraph_node, varpool_node): Add ref_lst.
278 * ipa-ref.c: New file.
279 * ipa-ref.h: New file.
280 * ipa-ref-inline.h: New file.
281 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
282 (referenced_from_other_partition_p): New function.
283 (lto_output_varpool_node): Take set arugment; call
284 referenced_from_other_partition.
285 (lto_output_ref): New.
286 (add_references): New.
288 (output_cgraph): Compute boundary based on references;
290 (output_varpool): Accept cgraph_node_set argument.
293 (input_cgraph): Call input_refs.
294 * lto-section-in.c (lto_section_name): Add refs.
295 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
296 (ipa-ref.o): New file.
297 * varpool.c (varpool_node): Clear ipa ref list.
298 (varpool_remove_node): Remove references.
299 (dump_varpool_node): Dump references.
300 (varpool_assemble_decl): Only compile finalized ones.
301 (varpool_extra_name_alias): Initialize ref list.
302 * lto-streamer.c (lto-get_section_name): Add .refs section.
303 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
304 (referenced_from_other_partition_p): Declared.
306 2010-05-06 Ira Rosen <irar@il.ibm.com>
308 PR tree-optimization/43901
309 * tree-vect-stmts.c (vectorizable_call): Assert that vector
310 type is not NULL if it's transformation phase, and return
311 FALSE if it's analysis.
312 (vectorizable_conversion, vectorizable_operation,
313 vectorizable_type_demotion, vectorizable_type_promotion):
316 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
318 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
320 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
322 * config/mips/mips-protos.h
323 (mips_small_register_classes_for_mode_p): Delete prototype.
325 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
327 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
328 * config/arm/arm.c (multiple_operation_profitable_p,
329 compute_offset_order): New static functions.
330 (load_multiple_sequence, store_multiple_sequence): Use them.
331 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
332 memory offsets, not register numbers.
333 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
335 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
337 * stor-layout.c (pending_sizes): Change the type to
339 (get_pending_sizes, put_pending_size, put_pending_sizes):
340 Update the uses of pending_sizes.
341 * c-decl.c (store_parm_decls): Likewise.
342 * c-tree.h (struct c_arg_info): Likewise.
343 * tree.h: Update the prototype for get_pending_sizes and
346 2010-05-05 Jason Merrill <jason@redhat.com>
349 * c-common.c (handle_aligned_attribute): Respect
350 ATTR_FLAG_TYPE_IN_PLACE.
353 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
354 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
355 (TARGET_INITIALIZER): Use it.
356 * c-common.c (attribute_takes_identifier_p): Call it.
357 * c-common.h: Update prototype.
358 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
359 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
361 2010-05-05 Jakub Jelinek <jakub@redhat.com>
364 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
365 DW_ID_down_case for Fortran compilation units.
367 2010-05-05 Jan Hubicka <jh@suse.cz>
369 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
372 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
374 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
375 a variable-sized RESULT_DECL.
377 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
379 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
381 2010-05-05 Jason Merrill <jason@redhat.com>
384 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
386 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
388 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
389 Jakub Jelinek <jakub@redhat.com>
392 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
393 (dead_debug_init, dead_debug_finish): New functions.
394 (dead_debug_add, dead_debug_insert_before): Likewise.
395 (df_note_bb_compute): Initialize a dead_debug object, add dead
396 debug uses to it, insert debug bind insns before death insns,
397 reset debug insns that refer to pending uses at the end.
398 * rtl.h (make_debug_expr_from_rtl): New prototype.
399 * varasm.c (make_debug_expr_from_rtl): New function.
401 2010-05-05 Jan Hubicka <jh@suse.cz>
403 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
404 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
405 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
406 lto_varpool_encoder_encode_initializer_p,
407 lto_set_varpool_encoder_encode_initializer): New functions.
408 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
410 (input_varpool_node): Do not always set analyzed.
411 (input_cgraph_1): Return vector of cgraph nodes.
412 (input_varpool_1): Return vector of varpools.
413 (input_cgraph): Free the vectors.
414 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
415 output only initializers needed.
416 (lto_output): Only call output_cgraph.
417 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
418 * lto-section-out.c (lto_new_out_decl_state): Initialize
419 state->varpool_node_encoder.
420 * lto-streamer.h (lto_varpool_encoder_d): New.
421 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
422 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
423 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
424 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
425 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
427 (output_varpool, input_varpool): Remove declarations.
429 2010-05-05 Jan Hubicka <jh@suse.cz>
431 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
432 with body can prevail.
434 2010-05-05 Jan Hubicka <jh@suse.cz>
436 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
439 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
441 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
444 * gengtype.h (erro_at_line): Constify pos argument.
446 * gengtype.c: Include hashtab.h.
447 (enum gc_used): Document GC_MAYBE_POINTED_TO.
448 (error_at_line): Constify pos argument.
449 (do_typedef): Initialize p->opt field.
450 (get_file_gtfilename): Fix comment typo.
451 (struct walk_type_data): Constify line field.
452 (get_output_file_for_structure): New function.
453 (write_local_func_for_structure): Constify orig_s argument.
454 Use get_output_file_for_structure.
455 (write_func_for_structure): Use get_output_file_for_structure.
456 (INDENT): New define.
457 (dump_pair, dump_type, dump_type_list, dump_typekind)
458 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
459 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
461 (seen_types): New variable.
462 (main): New variable do_dump. Process "-d" command line option.
463 Call dump_everything if dump requested.
465 2010-05-05 Jakub Jelinek <jakub@redhat.com>
467 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
468 in a temporary instead of invoking the macro multiple times.
469 (track_expr_p): Likewise.
471 2010-05-04 Neil Vachharajani <nvachhar@google.com>
473 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
475 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
476 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
477 conditions for printing notes.
478 * common.opt (-Wcoverage-mismatch): Allow negative, default to
479 true, update documentation.
480 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
482 2010-05-04 Jakub Jelinek <jakub@redhat.com>
485 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
488 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
491 * config/i386/i386.md (sse_prologue_save): Add clobber CC
493 (*sse_prologue_save_insn1): Likewise.
494 (SSE prologue save splitter): Likewise.
496 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
498 * tree.c (free_lang_data_in_one_sizepos): New inline function.
499 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
500 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
501 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
502 all decls. Call it on DECL_FIELD_OFFSET of fields.
503 (find_decls_types_r): Follow DECL_VALUE_EXPR.
504 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
506 2010-05-04 Martin Jambor <mjambor@suse.cz>
508 * tree-sra.c (build_access_from_expr_1): The first parameter type
509 changed to simple tree.
510 (build_access_from_expr): Likewise, gsi parameter was eliminated.
511 (scan_assign_result): Renamed to assignment_mod_result, enum elements
513 (build_accesses_from_assign): Removed all parameters except for a
514 simple gimple statement. Now returns a simple bool.
515 (scan_function): All non-analysis parts moved to separate functions
516 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
517 parameters and updated both callers.
518 (sra_modify_expr): Removed parameter data.
519 (sra_modify_function_body): New function.
520 (perform_intra_sra): Call sra_modify_function_body to modify the
522 (replace_removed_params_ssa_names): Parameter data changed into
524 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
525 changed the parameter dont_convert to convert with the opposite
527 (sra_ipa_modify_assign): Parameter data changed into adjustments
528 vector, return value changed to bool.
529 (ipa_sra_modify_function_body): New function.
530 (sra_ipa_reset_debug_stmts): Updated a comment.
531 (modify_function): Use ipa_sra_modify_function_body to modify function
534 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
537 * alias.c (true_dependence): Handle the same VALUE in x and mem.
538 (canon_true_dependence): Likewise.
539 (write_dependence_p): Likewise.
541 2010-05-04 Jan Hubicka <jh@suse.cz>
543 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
544 * cgraphbuild.c: Include ipa-utils.h
545 (record_reference_ctx): New struct.
546 (record_reference): Simplify to work on initializers; not statements.
547 (mark_address, mark_load, mark_store): New.
548 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
550 (record_references_in_initializer): Update use of record_reference.
551 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
554 2010-05-04 Jan Hubicka <jh@suse.cz>
556 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
557 node will be removed anyway.
558 (lto_varpool_replace_node): Allow also unanalyzed nodes;
559 relink aliases of node into prevailing node.
560 * varpool.c (varpool_remove_node): Remove aliases properly;
561 when removing node, remove all its aliases too; remove DECL_INITIAL
562 of removed node; ggc_free the varpool node.
564 2010-05-04 Richard Guenther <rguenther@suse.de>
566 PR tree-optimization/43879
567 * tree-ssa-structalias.c (alias_get_name): Use
568 DECL_ASSEMBLER_NAME if available.
569 (create_function_info_for): Return the varinfo node.
570 (ipa_pta_execute): Associate same-body aliases and extra names
571 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
573 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
575 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
578 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
581 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
582 only if HONOR_REG_ALLOC_ORDER is not defined.
584 2010-05-04 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/43949
587 * tree-vrp.c (extract_range_from_binary_expr): Only handle
590 2010-04-26 Jason Merrill <jason@redhat.com>
592 * c.opt (-fstrict-enums): New.
593 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
595 2010-05-03 David Ung <davidu@mips.com>
596 James E. Wilson <wilson@codesourcery.com>
598 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
599 emit the trap instruction before the divide for TUNE_74K.
601 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
603 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
604 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
605 based on the above, for new target hook.
607 * hooks.c (hook_bool_mode_true): New generic hook.
608 * hooks.h (hook_bool_mode_true): Add prototype.
610 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
612 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
613 target hook, set to hook_bool_mode_false.
614 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
615 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
616 with targetm.small_register_classes_for_mode_p.
617 (find_reusable_reload): Likewise.
618 (combine_reloads): Likewise.
619 * reload1.c (reload_as_needed): Likewise.
620 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
621 * ifcvt.c (noce_process_if_block, check_cond_move_block,
622 dead_or_predicable): Likewise.
623 * regmove.c (optimize_reg_copy_1): Likewise.
624 * calls.c (prepare_call_address): Likewise.
625 (precompute_register_parameters): Likewise.
627 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
629 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
630 implementation of the hook that considers all register classes
631 small except for SH64.
632 (sh_override_options): Use the new hook.
633 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
636 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
638 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
639 implementation of the hook that considers all register classes
641 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
644 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
646 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
647 implementation of the hook that considers all register classes
649 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
652 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
654 * config/m32c/m32c.h: Likewise.
655 * config/pdp11/pdp11.h: Likewise.
656 * config/avr/avr.h: Likewise.
657 * config/xtensa/xtensa.h: Likewise.
658 * config/m68hc11/m68hc11.h: Likewise.
659 * config/mn10300/mn10300.h: Likewise.
660 * config/mcore/mcore.h: Likewise.
661 * config/h8300/h8300.h: Likewise.
662 * config/bfin/bfin.h: Likewise.
664 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
665 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
667 2010-05-03 Anatoly Sokolov <aesok@post.ru>
669 * double-int.h (tree_to_double_int): Remove macro.
670 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
671 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
672 (tree_to_double_int): New function.
673 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
675 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
677 2010-05-03 Richard Guenther <rguenther@suse.de>
679 PR tree-optimization/43971
680 * tree-ssa-structalias.c (get_constraint_for_1): Fix
681 constraints in the !flag_delete_null_pointer_checks case.
683 2010-05-03 Jakub Jelinek <jakub@redhat.com>
686 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
687 result mode matches original rtl mode.
689 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
692 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
694 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
696 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
697 when processing flag options.
699 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
701 * gcov-iov.c (main): Change format string placeholder
702 from %#08x to 0x%08x.
703 * genchecksum.c (dosum): Change format string placeholder
704 from %#02x to 0x%02x.
706 2010-05-02 Richard Guenther <rguenther@suse.de>
708 PR tree-optimization/43879
709 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
711 2010-05-02 Bruno Haible <bruno@clisp.org>
713 * doc/extend.texi (Function Attributes): Fix a typo.
715 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
718 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
719 placeholder from 0x%x to %#x.
720 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
721 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
722 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
723 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
724 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
725 * config/i386/i386.c (ix86_target_string): Ditto.
726 * config/i386/i386.c (output_pic_addr_const): Ditto.
727 (print_operand): Ditto.
729 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
731 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
732 placeholder from 0x%x to %#x.
733 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
734 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
735 (ASM_OUTPUT_DEBUG_DATA): Ditto.
736 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
737 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
738 * optc-gen.awk: Ditto.
739 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
740 (HOST_WIDE_INT_PRINT_HEX): Ditto.
741 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
742 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
744 2010-05-01 Anatoly Sokolov <aesok@post.ru>
746 * target.h (struct calls): Add function_value_regno_p field.
747 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
748 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
749 * targhooks.c (default_function_value_regno_p): New function.
750 * targhooks.h (default_function_value_regno_p): Declare function.
751 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
752 * builtins.c. (apply_result_size): (Ditto.).
753 * combine.c. (likely_spilled_retval_p): (Ditto.).
754 * mode-switching.c. Include 'target.h'.
755 (create_pre_exit): Use function_value_regno_p hook.
756 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
757 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
758 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
760 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
761 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
762 (ix86_function_value_regno_p): Declare as static, change argument
763 type to const unsigned int.
764 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
766 2010-05-01 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/43949
769 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
771 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
773 2010-05-01 Anatoly Sokolov <aesok@post.ru>
775 * rtl.h (CONST_DOUBLE_P): Define.
776 (rtx_to_double_int): Declare.
777 * emit-rtl.c (rtx_to_double_int): New function.
778 * dwarf2out.c (insert_double): New function.
779 (loc_descriptor, add_const_value_attribute): Clean up, use
780 rtx_to_double_int and insert_double functions.
782 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
784 * doc/extend.texi (Inline): Add missing return keyword to examples.
785 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
788 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
790 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
791 the variable part of the offset as well. Use highest_pow2_factor for
792 all alignment checks.
794 2010-04-30 Richard Guenther <rguenther@suse.de>
796 PR tree-optimization/43879
797 * tree-ssa-structalias.c (type_could_have_pointers): Functions
800 2010-04-30 Jan Hubicka <jh@suse.cz>
802 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
804 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
806 2010-04-30 Jan Hubicka <jh@suse.cz>
808 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
810 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
811 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
812 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
813 cgraph_node_set_needs_ltrans_p): Remove.
815 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
817 * sdbout.c: Include vec.h, do not include varray.h.
818 (deferred_global_decls, sdbout_global_decl,
819 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
820 * toplev.c: Do not include varray.h.
821 (dump_memory_report): Do not dump VARRAY statistics.
822 * gengtype.c (open_base_file): Ignore varray.h.
823 * Makefile.in: Update for abovementioned changes.
824 Remove all traces of varray.c and varray.h.
825 * varray.c: Remove file.
826 * varray.h: Remove file.
828 2010-04-30 Jan Hubicka <jh@suse.cz>
830 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
833 2010-04-30 Jan Hubicka <jh@suse.cz>
835 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
838 2010-04-30 Richard Guenther <rguenther@suse.de>
840 * tree-ssa-structalias.c (get_constraint_for_1): Generate
841 constraints for CONSTRUCTOR.
843 2010-04-30 Richard Guenther <rguenther@suse.de>
846 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
847 first after all lowering passes.
849 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
851 * toplev.c: Include varray.h for statistics dumping.
852 * tree.h: Do not declare varray_head_tag.
853 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
854 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
855 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
856 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
857 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
858 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
859 c-common.c, c-common.h, reg-stack.c, basic-block.h,
860 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
862 * Makefile.in: Update for abovementioned changes.
864 2010-04-30 Jakub Jelinek <jakub@redhat.com>
867 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
869 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
871 * config/picochip/picochip.c (picochip_legitimize_address): Define.
872 Use this function to do machine-specific conversion.
873 (picochip_legitimize_reload_address): Likewise.
874 (picochip_legitimate_address_p): Check valid base register only if
876 (picochip_check_conditional_copy): Check for modw only if opnd is
878 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
879 to call the function in c.
880 * config/picochip/picochip-protos.h
881 (picochip_legitimize_reload_address): Define.
882 * config/picochip/picochip.md (supported_compare1): Define.
884 2010-04-30 Jan Hubicka <jh@suse.cz>
886 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
887 (cgraph_global_info): Remove inlined.
888 (LTO_cgraph_tag_names): Remove.
889 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
890 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
891 simplify cgraph tags and document.
892 (lto_output_node): Use only LTO_cgraph_unavail_node and
893 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
894 for_functions_valid, global info, process and output flags.
895 (input_overwrite_node): Initialize estimated stack size and
896 estimated growth. Do not read flags we no longer store.
897 (input_node): Likewise do not read info no longer stored.
898 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
901 2010-04-30 Richard Guenther <rguenther@suse.de>
903 PR tree-optimization/43879
904 * tree-ssa-structalias.c (get_constraint_for_1): Properly
905 handle non-zero initializers.
907 2010-04-30 Richard Guenther <rguenther@suse.de>
909 * builtins.c (fold_builtin_1): Delete free (0).
911 2010-04-29 Jan Hubicka <jh@suse.cz>
913 * gengtype.c (open_base_files): Add lto-streamer.h
914 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
915 (pass_ipa_cp): GGC collect.
916 * toplev. (compile_file): Do not output symbols.
917 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
918 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
919 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
920 * lto-section-in.c: Include ggc.h
921 (lto_new_in_decl_state): Alloc in GGC.
922 (lto_delete_in_decl_state): Likewise.
923 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
926 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
929 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
930 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
931 (HONOR_REG_ALLOC_ORDER): Describe new macro.
932 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
933 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
934 account only if HONOR_REG_ALLOC_ORDER is not defined.
935 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
936 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
938 2010-04-29 Jon Grant <04@jguk.org>
940 * collect2.c (vflag): Change type from int to bool.
942 (helpflag): New global bool.
943 (main): Set vflag and debug with boolean, not integer truth values.
944 Accept new "--help" option and output usage text if found.
945 * collect2.h (vflag): Update prototype.
948 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
951 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
953 2010-04-29 Richard Guenther <rguenther@suse.de>
956 * plugin.h (invoke_plugin_callbacks): Annotate arguments
957 with ATTRIBUTE_UNUSED.
959 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
962 * config/i386/i386.c (get_some_local_dynamic_name): Replace
963 INSN_P with NONDEBUG_INSN_P.
964 (distance_non_agu_define): Likewise.
965 (distance_agu_use): Likewise.
967 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
969 From Dominique d'Humieres <dominiq@lps.ens.fr>
971 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
974 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
976 * plugin.h (invoke_plugin_callbacks): New inline function.
977 * plugin.c (flag_plugin_added): New global flag.
978 (add_new_plugin): Initialize above flag.
979 (invoke_plugin_callbacks): Rename to ...
980 (invoke_plugin_callbacks_full): ... this.
982 2010-04-28 Jan Hubicka <jh@suse.cz>
984 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
985 (lto_varpool_replace_node): New.
986 (lto_symtab_resolve_symbols): Resolve varpool nodes.
987 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
988 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
989 * cgraph.h (varpool_node_ptr): New type.
990 (varpool_node_ptr): New vector.
991 (varpool_node_set_def): New structure.
992 (varpool_node_set): New type.
993 (varpool_node_set): New vector.
994 (varpool_node_set_element_def): New structure.
995 (varpool_node_set_element, const_varpool_node_set_element): New types.
996 (varpool_node_set_iterator): New type.
997 (varpool_node): Add prev pointers, add used_from_other_partition,
999 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1000 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1001 varpool_get_node, varpool_remove_node): Declare.
1002 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1003 varpool_node_set_size): New inlines.
1004 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1005 * tree-pass.h (varpool_node_set_def): Forward declare.
1006 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1007 (ipa_write_optimization_summaries): Update prototype.
1008 * ipa-cp.c (ipcp_write_summary): Update.
1009 * ipa-reference.c (ipa_reference_write_summary): Update.
1010 * lto-cgraph.c (lto_output_varpool_node): New static function.
1011 (output_varpool): New function.
1012 (input_varpool_node): New static function.
1013 (input_varpool_1): New function.
1014 (input_cgraph): Input varpool.
1015 * ipa-pure-const.c (pure_const_write_summary): Update.
1016 * lto-streamer-out.c (lto_output): Update, output varpool too.
1017 (write_global_stream): Kill WPA hack.
1018 (produce_asm_for_decls): Update.
1019 (output_alias_pair_p): Handle variables.
1020 (output_unreferenced_globals): Output only needed partition of varpool.
1021 * ipa-inline.c (inline_write_summary): Update.
1022 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1024 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1025 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1026 varpool_node_set_new, varpool_node_set_add,
1027 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1028 debug_varpool_node_set): New functions.
1029 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1030 (execute_one_pass): Process new decls too.
1031 (ipa_write_summaries_2): Pass around vsets.
1032 (ipa_write_summaries_1): Likewise.
1033 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1035 (ipa_write_optimization_summaries_1): Pass around vsets.
1036 (ipa_write_optimization_summaries): Likewise.
1037 * varpool.c (varpool_get_node): New.
1038 (varpool_node): Update doubly linked lists.
1039 (varpool_remove_node): New.
1040 (dump_varpool_node): More dumping.
1041 (varpool_enqueue_needed_node): Update doubly linked lists.
1042 (decide_is_variable_needed): Kill ltrans hack.
1043 (varpool_finalize_decl): Kill lto hack.
1044 (varpool_assemble_decl): Skip decls in other partitions.
1045 (varpool_assemble_pending_decls): Update doubly linkes lists.
1046 (varpool_empty_needed_queue): Likewise.
1047 (varpool_extra_name_alias): Likewise.
1048 * lto-streamer.c (lto_get_section_name): Add vars section.
1049 * lto-streamer.h (lto_section_type): Update.
1050 (output_varpool, input_varpool): Declare.
1052 2010-04-28 Mike Stump <mikestump@comcast.net>
1054 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1056 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1058 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1059 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1060 (lto_input_ts_type_tree_pointers): Likewise.
1061 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1062 (lto_output_ts_type_tree_pointers): Likewise.
1064 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1066 Uniquization of constants at the Tree level
1067 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1068 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1070 (tree_output_constant_def): Declare.
1071 * gimplify.c (gimplify_init_constructor): When using block copy, first
1072 uniquize the constant constructor on the RHS.
1073 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1074 DECL_IN_CONSTANT_POOL flag.
1075 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1076 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1078 (assemble_variable): Deal with symbols belonging to the tree constant
1080 (get_constant_section): Add ALIGN parameter and simplify.
1081 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1082 (assemble_constant_contents): Use the expression of the VAR_DECL.
1083 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1084 (tree_output_constant_def): New global function.
1085 (mark_constant): Use the expression of the VAR_DECL.
1086 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1088 (output_object_block): Likewise and assemble the expression.
1090 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1092 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1093 hash_tree, eq_tree): New tree hash table.
1094 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1095 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1096 lto_orig_address_remove): Reimplement.
1098 2010-04-28 Xinliang David Li <davidxl@google.com>
1101 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1102 (compute_uninit_opnds_pos): New function.
1103 (is_non_loop_exit_postdominating): New function.
1104 (compute_control_dep_chain): New function.
1105 (find_pdom): New function.
1106 (convert_control_dep_chain_into_preds): New function.
1107 (find_predicates): New function.
1108 (find_control_equiv_block): New function.
1109 (collect_phi_def_edges): New function.
1110 (find_def_preds): New function.
1111 (find_dom): New function.
1112 (dump_predicates): New function.
1113 (get_cmp_code): New function.
1114 (is_value_included_in): New function.
1115 (find_matching_predicate_in_rest_chains): New function.
1116 (use_pred_not_overlap_with_undef_path_pred): New function.
1117 (is_use_properly_guarded): New function.
1118 (normalize_cond_1): New function.
1119 (is_and_or_or): New function.
1120 (normalize_cond): New function.
1121 (is_gcond_subset_of): New function.
1122 (is_subset_of_any): New function.
1123 (is_or_set_subset_of): New function.
1124 (is_and_set_subset_of): New function.
1125 (is_norm_cond_subset_of): New function.
1126 (is_pred_expr_subset_of): New function.
1127 (is_pred_chain_subset_of): New function.
1128 (is_included_in): New function.
1129 (is_superset_of): New function.
1130 (find_uninit_use): New function.
1131 (warn_uninitialized_phi): New function.
1132 (compute_possibly_undefined_names): New function.
1133 (ssa_undefined_value_p): New function.
1134 (execute_late_warn_uninitialized): New function.
1135 * tree-ssa.c (ssa_undefined_value_p): Removed.
1136 (warn_uninit): Changed to extern.
1137 (warn_uninitialized_phi): Removed.
1138 (warn_uninitialized_vars): Changed to extern.
1139 (execute_late_warn_uninitialized): Removed
1140 * tree-flow.h: Add new prototypes.
1141 * timevar.def: Add new time variable.
1142 * Makefile.in: Add new build file.
1144 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1146 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1149 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1152 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1154 2010-04-28 Martin Jambor <mjambor@suse.cz>
1156 * cgraph.h (struct cgraph_node): New field indirect_calls.
1157 (struct cgraph_indirect_call_info): New type.
1158 (struct cgraph_edge): Removed field indirect_call. New fields
1159 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1160 (cgraph_create_indirect_edge): Declare.
1161 (cgraph_make_edge_direct): Likewise.
1162 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1163 * ipa-prop.h (struct ipa_param_call_note): Removed.
1164 (struct ipa_node_params): Removed field param_calls.
1165 (ipa_create_all_structures_for_iinln): Declare.
1166 * cgraph.c: Described indirect edges and uids in initial comment.
1167 (cgraph_add_edge_to_call_site_hash): New function.
1168 (cgraph_edge): Search also among the indirect edges, use
1169 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1170 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1171 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1173 (initialize_inline_failed): Assign a reason to indirect edges.
1174 (cgraph_create_edge_1): New function.
1175 (cgraph_create_edge): Moved some functionality to
1176 cgraph_create_edge_1.
1177 (cgraph_create_indirect_edge): New function.
1178 (cgraph_edge_remove_callee): Add an assert checking for
1180 (cgraph_edge_remove_caller): Special-case indirect edges.
1181 (cgraph_remove_edge): Likewise.
1182 (cgraph_set_edge_callee): New function.
1183 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1184 (cgraph_make_edge_direct): New function.
1185 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1186 the declaration of the call statement matches.
1187 (cgraph_node_remove_callees): Special-case indirect edges.
1188 (cgraph_clone_edge): Likewise.
1189 (cgraph_clone_node): Clone also the indirect edges.
1190 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1191 indirect_call, dump count of indirect_calls edges.
1192 * ipa-prop.c (iinlining_processed_edges): New variable.
1193 (ipa_note_param_call): Create indirect edges instead of
1194 creating notes. New parameter node.
1195 (ipa_analyze_call_uses): New parameter node, pass it on to
1196 ipa_note_param_call.
1197 (ipa_analyze_stmt_uses): Likewise.
1198 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1199 (print_edge_addition_message): Work on edges rather than on notes.
1200 (update_call_notes_after_inlining): Likewise, renamed to
1201 update_indirect_edges_after_inlining.
1202 (ipa_create_all_structures_for_iinln): New function.
1203 (ipa_free_node_params_substructures): Do not free notes.
1204 (ipa_edge_duplication_hook): Propagate bits within
1205 iinlining_processed_edges bitmap.
1206 (ipa_node_duplication_hook): Do not duplicate notes.
1207 (free_all_ipa_structures_after_ipa_cp): Renamed to
1208 ipa_free_all_structures_after_ipa_cp.
1209 (free_all_ipa_structures_after_iinln): Renamed to
1210 ipa_free_all_structures_after_iinln.g
1211 (ipa_write_param_call_note): Removed.
1212 (ipa_read_param_call_note): Removed.
1213 (ipa_write_indirect_edge_info): New function.
1214 (ipa_read_indirect_edge_info): Likewise.
1215 (ipa_write_node_info): Do not stream notes, do stream information
1217 (ipa_read_node_info): Likewise.
1218 (lto_ipa_fixup_call_notes): Removed.
1219 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1220 * ipa-inline.c (pass_ipa_inline): Likewise.
1221 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1222 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1223 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1225 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1227 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1228 (output_cgraph): Stream also indirect edges.
1229 (lto_output_edge): Added capability to stream indirect edges.
1230 (input_edge): Likewise.
1231 (input_cgraph_1): Likewise.
1232 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1235 2010-04-28 Richard Guenther <rguenther@suse.de>
1237 PR tree-optimization/43879
1238 PR tree-optimization/43909
1239 * tree-ssa-structalias.c (struct variable_info): Add
1240 only_restrict_pointers flag.
1241 (new_var_info): Initialize it. Increment stats.total_vars here.
1242 (create_function_info_for): Do not increment stats.total_vars
1244 (get_function_part_constraint): Fix build with C++.
1245 (insert_into_field_list): Remove.
1246 (push_fields_onto_fieldstack): Properly merge fields.
1247 (create_variable_info_for): Split and simplify.
1248 (create_variable_info_for_1): New piece.
1249 (intra_create_variable_infos): Properly make restrict constraints
1252 2010-04-28 Richard Guenther <rguenther@suse.de>
1255 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1257 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1258 Jan Hubicka <hubicka@ucw.cz>
1260 * doc/invoke.texi (-Wsuggest-attribute=const,
1261 -Wsuggest-attribute=pure): Document.
1262 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1263 (function_always_visible_to_compiler_p,
1264 suggest_attribute, warn_function_pure, warn_function_const):
1266 (check_call): Improve debug info.
1267 (analyze_function): Do not check availability.
1268 (add_new_function): Check availability.
1269 (propagate): Output warnings.
1270 (skip_function_for_local_pure_const): New function.
1271 (local_pure_const): Use it; output warnings.
1272 * common.opt (Wsuggest-attribute=const,
1273 Wsuggest-attribute=pure): New.
1275 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1277 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1278 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1279 or DW_CFA_def_cfa_offset{,_sf}.
1281 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1283 * tree.h: Fix truncated long macros.
1285 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1287 * collect2.c (TARGET_64BIT): Redefine to target's default.
1288 * tlink.c: Likewise.
1289 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1290 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1291 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1292 for underscoring __USER_LABEL_PREFIX__.
1293 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1294 (SUB_LINK_ENTRY32): New.
1295 (SUB_LINK_ENTRY64): New.
1296 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1297 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1298 (SUB_LINK_ENTRY64): New.
1299 (SUB_LINK_ENTRY): New.
1300 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1301 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1302 x64 target is choosen.
1303 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1304 * configure: Regenerated.
1305 * configure.ac (leading-mingw64-underscores): Option added.
1307 2010-04-27 Jan Hubicka <jh@suse.cz>
1309 * doc/invoke.texi (-fipa-profile): Document.
1310 * opts.c (decode_options): Enable ipa-profile at -O1.
1311 * timevar.def (TV_IPA_PROFILE): Define.
1312 * common.opt (fipa-profile): Add.
1313 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1315 (cgraph_propagate_frequency): Handle only local ones.
1316 * tree-pass.h (pass_ipa_profile): Declare.
1317 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1318 (pass_ipa_profile): Use TV_IPA_PROFILE.
1319 * ipa.c (ipa_profile): New function.
1320 (gate_ipa_profile): Likewise.
1321 (pass_ipa_profile): New global variable.
1322 * passes.c (pass_ipa_profile): New.
1324 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1326 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1328 2010-04-27 Martin Jambor <mjambor@suse.cz>
1331 * ipa.c (dissolve_same_comdat_group_list): New function.
1332 (function_and_variable_visibility): Call
1333 dissolve_same_comdat_group_list when comdat group contains external or
1335 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1336 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1338 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1340 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1341 (const_hash_1) <VECTOR_CST>: New case.
1342 (compare_constant) <VECTOR_CST>: Likewise.
1343 <ADDR_EXPR>: Deal with LABEL_REFs.
1344 (copy_constant) <VECTOR_CST>: New case.
1346 2010-04-27 Jan Hubicka <jh@suse.cz>
1348 * cgraph.c (cgraph_propagate_frequency): New function.
1349 * cgraph.h (cgraph_propagate_frequency): Declare.
1350 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1351 cgraph_propagate_frequency.
1353 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1355 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1357 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1360 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1361 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1362 here to determine which regs to push and how much stack to reserve.
1364 2010-04-27 Jie Zhang <jie@codesourcery.com>
1366 * doc/gimple.texi (gimple_statement_with_ops): Remove
1367 addresses_taken field.
1368 (gimple_statement_with_memory_ops): Likewise.
1370 2010-04-27 Jan Hubicka <jh@suse.cz>
1372 * tree-inline.c (eni_inlining_weights): Remove.
1373 (estimate_num_insns): Special case more builtins.
1375 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1378 * c-typeck.c (build_binary_op): Move forward check for comparison
1379 pointer with null pointer constant and adjust the diagnostic message.
1381 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1384 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1385 binutils supports extended .section directive needed by LTO, or
1386 warn if older binutils found.
1387 (LTO_BINARY_READER): New AC_SUBST'd variable.
1388 (LTO_USE_LIBELF): Likewise.
1389 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1391 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1392 (LTO_USE_LIBELF): Likewise.
1393 * configure: Regenerate.
1395 * collect2.c (is_elf): Rename from this ...
1396 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1397 object files in addition to ELF-formatted ones.
1398 (scan_prog_file): Caller updated. Also allow for LTO info marker
1399 symbol to be prefixed or not by an extra underscore.
1401 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1402 * config/i386/winnt.c: Also #include lto-streamer.h
1403 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1405 (i386_pe_asm_output_aligned_decl_common): Add comment.
1406 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1408 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1411 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1412 Add missing earlyclobber for second alternative.
1414 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1416 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1417 bits for artificial defs at the top of the block.
1418 * fwprop.c (single_def_use_enter_block): Don't call it.
1420 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1423 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1424 instead of "$gcc_cv_objdump -T".
1425 Use "-undefined dynamic_lookup" on darwin.
1426 * gcc/configure: Regenerate.
1428 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1431 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1433 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1435 * c-parser.c (struct c_token): Move location field up.
1436 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1437 (struct c_declspecs): Convert typespec_word, storage_class, and
1438 default_int_p into bitfields.
1439 (struct c_declarator): Move loc field up.
1441 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1443 * cfgloop.h (struct loop): Move can_be_parallel field up.
1444 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1445 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1447 (struct iv_cand): Convert pos field into a bitfield.
1448 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1450 (struct _stmt_vec_info): Shuffle fields for better packing.
1452 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1454 * varasm.c (IN_NAMED_SECTION): Remove guard.
1455 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1456 (IN_NAMED_SECTION_P): ...this.
1457 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1458 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1460 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1462 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1463 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1464 of shadowing it. Fix comments.
1466 2010-04-26 Jan Hubicka <jh@suse.cz>
1468 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1469 (cgraph_clone_node): Copy function frequency.
1470 * cgraph.h (node_frequency): New enum
1471 (struct cgraph_node): Add.
1472 * final.c (rest_of_clean_state): Update.
1473 * lto-cgraph.c (lto_output_node): Output node frequency.
1474 (input_overwrite_node): Input node frequency.
1475 * tre-ssa-loop-ivopts (computation_cost): Update.
1476 * lto-streamer-out.c (output_function): Do not output function
1478 * predict.c (maybe_hot_frequency_p): Update and handle functions
1480 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1482 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1483 (compute_function_frequency): Set noreturn functions to be executed
1485 (choose_function_section): Update.
1486 * lto-streamer-in.c (input_function): Do not input function frequency.
1487 * function.c (allocate_struct_function): Do not initialize function
1489 * function.h (function_frequency): Remove.
1490 (struct function): Remove function frequency.
1491 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1492 (try_update): Update.
1493 * tree-inline.c (initialize_cfun): Do not update function frequency.
1494 * passes.c (pass_init_dump_file): Update.
1495 * i386.c (ix86_compute_frame_layout): Update.
1496 (ix86_pad_returns): Update.
1498 2010-04-26 Jie Zhang <jie@codesourcery.com>
1500 PR tree-optimization/43833
1501 * tree-vrp.c (range_int_cst_p): New.
1502 (range_int_cst_singleton_p): New.
1503 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1504 when both operands are constants. Use range_int_cst_p in
1507 2010-04-26 Jan Hubicka <jh@suse.cz>
1509 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1511 2010-04-26 Richard Guenther <rguenther@suse.de>
1514 * gimple.c (gimple_decl_printable_name): Deal gracefully
1515 with a NULL DECL_NAME.
1517 2010-04-26 Richard Guenther <rguenther@suse.de>
1520 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1521 if emitting debug information and it is either a function
1522 or a namespace decl.
1524 2010-04-26 Ira Rosen <irar@il.ibm.com>
1526 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1527 determine if the statement is vectorizable, and a macro to access it.
1528 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1529 Skip statements that can't be vectorized. If the analysis fails,
1530 mark the statement as unvectorizable if vectorizing basic block.
1531 (vect_compute_data_refs_alignment): Likewise.
1532 (vect_verify_datarefs_alignment): Skip statements marked as
1533 unvectorizable. Add print.
1534 (vect_analyze_group_access): Skip statements that can't be
1535 vectorized. If the analysis fails, mark the statement as
1536 unvectorizable if vectorizing basic block.
1537 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1538 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1539 generated stmts for SLP.
1540 (new_stmt_vec_info): Initialize the new field.
1541 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1542 statements marked as unvectorizable.
1544 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1546 * c-common.c (flag_isoc1x): New.
1547 (flag_isoc99): Update comment.
1548 * c-common.h (flag_isoc1x): New.
1549 (flag_isoc99): Update comment.
1550 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1551 __<type>_DECIMAL_DIG__.
1552 * c-opts.c (set_std_c1x): New.
1553 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1554 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1555 * c.opt (-std=c1x, -std=gnu1x): New options.
1556 * doc/cpp.texi: Mention -std=c1x.
1557 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1558 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1559 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1560 * doc/standards.texi: Mention C1X.
1561 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1562 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1563 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1566 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1568 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1569 placeholder from 0x%x to %#x.
1570 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1571 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1572 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1573 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1574 * config/i386/i386.c (ix86_target_string): Ditto.
1575 (output_pic_addr_const): Ditto.
1576 (print_operand): Ditto.
1578 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1580 * combine.c (find_split_point): Add third argument. Use it
1581 to find nested multiply-accumulate instructions. Adjust calls.
1582 (try_combine): Adjust call to find_split_point.
1584 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1586 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1588 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1590 PR tree-optimization/41442
1591 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1592 (fold_binary_loc): Call it.
1594 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1596 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1597 * opts.c (common_handle_option): Allow disabling it.
1598 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1600 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1602 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1603 between modes if both types are integral.
1605 2010-04-23 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/43572
1608 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1610 2010-04-23 Richard Guenther <rguenther@suse.de>
1613 * tree-inline.c (tree_can_inline_p): Also check compatibility
1616 2010-04-23 Martin Jambor <mjambor@suse.cz>
1618 PR tree-optimization/43846
1619 * tree-sra.c (struct access): New flag grp_assignment_read.
1620 (build_accesses_from_assign): Set grp_assignment_read.
1621 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1622 (enum mark_read_status): New type.
1623 (analyze_access_subtree): Propagate grp_assignment_read, create
1624 accesses also if both direct_read and root->grp_assignment_read.
1626 2010-04-23 Martin Jambor <mjambor@suse.cz>
1629 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1630 function does not have type attributes.
1632 2010-04-23 Richard Guenther <rguenther@suse.de>
1635 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1638 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1640 * sese.h (create_if_region_on_edge): Remove.
1642 * sese.c (create_if_region_on_edge): Make static.
1644 * tree-inline.c: Do not include ggc.h.
1646 * expr.c: Do not include ggc.h.
1648 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1651 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1654 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1655 in the middle of insns for casesi_worker_2.
1657 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1659 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1661 2010-04-22 Ira Rosen <irar@il.ibm.com>
1663 PR tree-optimization/43842
1664 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1665 loop unrolling in update of exit phis. Fix comment.
1666 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1667 least two reduction statements in the loop before starting SLP
1670 2010-04-22 Nick Clifton <nickc@redhat.com>
1672 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1674 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1676 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1679 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1681 * tree-parloops.c (loop_parallel_p): New argument
1682 parloop_obstack. Pass it down.
1683 (parallelize_loops): New variable parloop_obstack. Initialize it,
1684 pass it down, free it.
1686 * tree-loop-linear.c (linear_transform_loops): Pass down
1689 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1690 of type struct obstack *.
1692 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1693 scratch_obstack. Initialize it, pass down, free it.
1695 * lambda.h (lambda_loop_new): Remove.
1696 (lambda_matrix_new, lambda_matrix_inverse)
1697 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1698 argument of type struct obstack *.
1700 * lambda-trans.c (lambda_trans_matrix_new): New argument
1701 lambda_obstack. Pass it down, use obstack allocation for ret.
1702 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1705 * lambda-mat.c (lambda_matrix_get_column)
1706 (lambda_matrix_project_to_null): Remove.
1707 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1709 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1712 * lambda-code.c (lambda_loop_new): New function.
1713 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1714 (lambda_compute_auxillary_space, lambda_compute_target_space)
1715 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1716 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1717 (build_access_matrix): New argument lambda_obstack. Use obstack
1719 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1720 argument lambda_obstack. Pass it down.
1722 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1724 * optabs.h (expand_widening_mult): Declare.
1726 2010-04-22 Richard Guenther <rguenther@suse.de>
1728 PR tree-optimization/43845
1729 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1730 lookup the CALL_EXPR function and arguments.
1732 2010-04-22 Nick Clifton <nickc@redhat.com>
1734 * config/stormy16/stormy16.c
1735 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1736 * config/stormy16/stormy16.h: Tidy up formatting.
1737 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1738 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1739 (ineqbranchsi): Delete pattern.
1740 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1741 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1742 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1743 stormy16-lib2-ucmpsi2.c.
1745 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1747 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1748 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1749 extra set merge_set_noclobber, and use it to relax the final test
1751 * df.h (df_simulate_find_noclobber_defs): Declare.
1752 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1754 (df_simulate_find_noclobber_defs): New function.
1756 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1758 * config/i386/i386.md: Use {} around multi-line preparation statements.
1760 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1762 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1763 (process_init_element): New argument of type struct obstack *.
1765 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1766 (set_init_index, set_init_label, set_nonincremental_init)
1767 (set_nonincremental_init_from_string, find_init_member)
1768 (output_init_element, output_pending_init_elements)
1769 (process_init_element): New argument braced_init_obstack. Pass it
1771 (push_range_stack, add_pending_init): New argument
1772 braced_init_obstack. Use obstack allocation.
1774 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1775 braced_init_obstack. Pass it down.
1776 (c_parser_braced_init): New variables ret, braced_init_obstack.
1777 Initialize obstack, pass it down and finally free it.
1779 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1782 * tree-pass.h (pass_optimize_widening_mul): Declare.
1783 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1784 gate_optimize_widening_mul): New static functions.
1785 (pass_optimize_widening_mul): New.
1786 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1787 <case MULT_EXPR>: Remove support for widening multiplies.
1788 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1789 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1790 simplify_gen_unary rather than directly building extensions.
1791 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1793 * expmed.c (expand_widening_mult): New function.
1794 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1796 2010-04-21 Jan Hubicka <jh@suse.cz>
1798 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1799 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1800 * lto-wpa-fixup.c: Remove.
1801 * Makefile.in (lto-wpa-fixup.o): Remove.
1802 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1803 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1804 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1806 2010-04-21 Jan Hubicka <jh@suse.cz>
1808 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1809 add write_optimization_summary, read_optimization_summary.
1810 (ipa_write_summaries_of_cgraph_node_set): Remove.
1811 (ipa_write_optimization_summaries): Declare.
1812 (ipa_read_optimization_summaries): Declare.
1813 * ipa-cp.c (pass_ipa_cp): Update.
1814 * ipa-reference.c (pass_ipa_reference): Update.
1815 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1816 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1818 * ipa-inline.c (pass_ipa_inline): Update.
1819 * ipa.c (pass_ipa_whole_program): Update.
1820 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1821 * passes.c (ipa_write_summaries_1): Do not test wpa.
1822 (ipa_write_optimization_summaries_1): New.
1823 (ipa_write_optimization_summaries): New.
1824 (ipa_read_summaries): Do not test ltrans.
1825 (ipa_read_optimization_summaries_1): New.
1826 (ipa_read_optimization_summaries): New.
1828 2010-04-21 Jan Hubicka <jh@suse.cz>
1830 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1832 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1834 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1837 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1838 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1840 2010-04-21 Jan Hubicka <jh@suse.cz>
1842 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1844 2010-04-21 Jan Hubicka <jh@suse.cz>
1846 * varpool.c (decide_is_variable_needed): Variable is always needed
1849 2010-04-21 Jan Hubicka <jh@suse.cz>
1851 * opts.c (decode_options): Enable pure-const pass for whopr.
1853 2010-04-21 Jan Hubicka <jh@suse.cz>
1855 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1856 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1858 (cgraph_decide_inlining): Do not expect callee to be removed in all
1861 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1863 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1865 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1867 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1868 amdfam10_decode attributes.
1870 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1873 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1874 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1875 (lower_copyprivate_clauses): Use private var in outer
1876 context instead of original var. Make sure the types
1877 are correct for VLAs.
1879 2010-04-21 Richard Guenther <rguenther@suse.de>
1881 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1882 to non-pointer objects.
1884 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1886 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1887 last chain entry if it starts with the still current label.
1888 (add_location_or_const_value_attribute): Check that
1889 loc_list->first->next is NULL instead of comparing ->first with ->last.
1890 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1891 to add_var_loc_to_decl.
1893 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1894 >= 4 add also address size and segment size fields into CIE header.
1896 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1897 long as address size is the same as sizeof (void *) and
1899 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1900 address size or segment size is unexpected, return DW_EH_PE_omit.
1901 (classify_object_over_fdes): If get_cie_encoding returned
1902 DW_EH_PE_omit, return -1.
1903 (init_object): If classify_object_over_fdes returned -1,
1904 pretend there were no FDEs at all.
1906 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1908 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1909 bswap{si,di}2 using SWI48 mode iterator.
1910 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1911 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1912 set modrm attribute of bswap insn to 0 and remove length attribute.
1913 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1914 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1915 set mode attribute to <MODE> and remove length attribute.
1917 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1919 PR rtl-optimization/43520
1920 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1921 zero available registers.
1923 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1925 * builtins.c (fold_builtin_cproj): Fold more cases.
1927 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1929 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1930 (fold_builtin_1): Fold builtin cproj.
1931 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1932 Use ATTR_CONST_NOTHROW_LIST.
1934 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1936 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1937 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1938 ffsi2_no_cmove for !TARGET_CMOVE.
1939 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1940 (ffssi2): Remove expander.
1941 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1943 (ctz<mode>2): Ditto from ctz{si,di}2.
1944 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1946 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1949 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1951 * dwarf2out.c (AT_linkage_name): Define.
1952 (clone_as_declaration): Handle DW_AT_linkage_name.
1953 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1954 of DW_AT_MIPS_linkage_name.
1955 (move_linkage_attr): Likewise.
1956 (dwarf2out_finish): Likewise.
1958 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1961 * fold-const.c (fold_comparison): New folding rule.
1963 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1965 * double-int.h (double_int_setbit): Declare.
1966 * double-int.c (double_int_setbit): New function.
1967 * rtl.h (immed_double_int_const): Declare.
1968 * emit-rtl.c (immed_double_int_const): New function.
1969 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1970 and immed_double_int_const functions.
1971 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1972 expand_copysign_bit): (Ditto.).
1973 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1974 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1975 * dojump.c (prefer_and_bit_test): (Ditto.).
1976 * expr.c (convert_modes, reduce_to_bit_field_precision,
1977 const_vector_from_tree): (Ditto.).
1978 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1980 2010-04-20 Jan Hubicka <jh@suse.cz>
1982 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1983 (dump_cgraph_node): Dump new flags.
1984 * cgraph.h (struct cgraph_node): Add flags
1985 reachable_from_other_partition and in_other_partition.
1986 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1987 other partition can not be removed.
1988 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1989 the other partition must be output; silence sanity checking on
1990 leaking functions bodies from other paritition.
1991 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1992 (lto_output_node): Output new flags; do not sanity check that inline
1993 clones are output; drop lto_forced_extern_inline_p code; do not mock
1994 visibility flags at partition boundaries.
1995 (add_node_to): New function.
1996 (output_cgraph): Use it to sort functions so masters appear before
1998 (input_overwrite_node): Input new flags.
1999 * passes.c (ipa_write_summaries): Do not call
2000 lto_new_extern_inline_states.
2001 * lto-section-out.c (forced_extern_inline,
2002 lto_new_extern_inline_states lto_delete_extern_inline_states,
2003 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2004 * lto-streamer.h (lto_new_extern_inline_states,
2005 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2006 lto_forced_extern_inline_p): Kill.
2008 2010-04-20 Richard Guenther <rguenther@suse.de>
2010 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2011 from vars that can have pointers.
2012 (process_constraint): Dump useless constraints.
2014 2010-04-20 Richard Guenther <rguenther@suse.de>
2016 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2017 (dump_sa_points_to_info): Remove asserts.
2018 (init_base_vars): nothing_id isn't an escape point nor does it
2021 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2023 * tree.h (TYPE_REF_IS_RVALUE): Define.
2024 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2025 should_move_die_to_comdat, prune_unused_types_walk): Handle
2026 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2027 (modified_type_die, gen_reference_type_die): Emit
2028 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2029 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2031 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2034 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2035 calls for -fpic -m31 if they have been sibcall optimized.
2037 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2039 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2040 ar.lc fixed and call-used.
2042 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2044 2010-04-19 Jan Hubicka <jh@suse.cz>
2046 * opts.c (decode_options): Disable whpr incompatible passes.
2047 * lto/lto.c (lto_1_to_1_map): Skip clones.
2048 (read_cgraph_and_symbols): Do not mark everything as needed.
2049 (do_whole_program_analysis): Do map only after optimizing;
2050 set proper cgraph_state; use passmanager.
2052 2010-04-19 DJ Delorie <dj@redhat.com>
2054 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2055 POINTER_PLUS_EXPR and fix them.
2057 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2059 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2060 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2061 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2062 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2063 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2064 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2065 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2066 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2067 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2068 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2069 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2071 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2073 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2074 (check_cond_move_block): Likewise.
2075 (cond_move_process_if_block): Likewise.
2076 (noce_find_if_block): Improve formatting.
2077 (find_if_header): Pass 0 to memset and tweak conditions.
2078 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2080 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2082 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2086 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2087 with non-local decl doesn't need chain.
2089 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2091 * ira-color.c (allocno_reload_assign): Avoid accumulating
2092 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2094 2010-04-19 Martin Jambor <mjambor@suse.cz>
2096 * gimple.h (create_tmp_reg): Declare.
2097 * gimplify.c (create_tmp_reg): New function.
2098 (gimplify_return_expr): Use create_tmp_reg.
2099 (gimplify_omp_atomic): Likewise.
2100 (gimple_regimplify_operands): Likewise.
2101 * tree-dfa.c (make_rename_temp): Likewise.
2102 * tree-predcom.c (predcom_tmp_var): Likewise.
2103 (reassociate_to_the_same_stmt): Likewise.
2104 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2105 (get_replaced_param_substitute): Likewise.
2106 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2107 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2108 * tree-ssa-pre.c (get_representative_for): Likewise.
2109 (create_expression_by_pieces): Likewise.
2110 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2111 (create_tailcall_accumulator): Likewise.
2113 2010-04-19 Martin Jambor <mjambor@suse.cz>
2115 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2117 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2119 2010-04-19 Richard Guenther <rguenther@suse.de>
2121 PR tree-optimization/43796
2122 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2123 from SCEV in the lattice.
2124 (vrp_visit_phi_node): Dump change.
2126 2010-04-19 Richard Guenther <rguenther@suse.de>
2128 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2129 * configure: Re-generated.
2131 2010-04-19 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/43783
2134 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2135 constant ARRAY_REF operands two and three if possible.
2137 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2140 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2142 2010-04-19 Jie Zhang <jie@codesourcery.com>
2145 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2147 2010-04-19 Ira Rosen <irar@il.ibm.com>
2149 PR tree-optimization/37027
2150 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2151 and macro to access it.
2152 (vectorizable_reduction): Add argument.
2153 (vect_get_slp_defs): Likewise.
2154 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2155 statements for possible use in SLP.
2156 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2157 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2158 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2160 (vectorizable_reduction): Likewise.
2161 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2163 (vectorizable_type_demotion, vectorizable_type_promotion,
2164 vectorizable_store): Likewise.
2165 (vect_analyze_stmt): Update call to vectorizable_reduction.
2166 (vect_transform_stmt): Likewise.
2167 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2168 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2169 from different interleaving chains in same node.
2170 (vect_slp_rearrange_stmts): New function.
2171 (vect_supported_load_permutation_p): Allow load permutations for
2172 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2173 inside SLP nodes if necessary.
2174 (vect_analyze_slp_instance): Handle reductions.
2175 (vect_analyze_slp): Try to build SLP instances originating from groups
2177 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2178 (vect_get_constant_vectors): Create initial vectors for reductions
2179 according to reduction code. Add new argument.
2180 (vect_get_slp_defs): Add new argument, pass it to
2181 vect_get_constant_vectors.
2182 (vect_schedule_slp_instance): Remove SLP tree root statements.
2184 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2186 * tree.h (ENUM_IS_SCOPED): Define.
2187 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2188 for ENUM_IS_SCOPED enums.
2190 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2192 * fold-const.c (fold_comparison): Use ssizetype.
2193 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2194 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2195 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2196 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2198 * tree.h (initialize_sizetypes): Remove parameter.
2199 (build_common_tree_nodes): Remove second parameter.
2200 * stor-layout.c (initialize_sizetypes): Remove parameter.
2201 Always create an unsigned type.
2202 (set_sizetype): Assert that the passed type is unsigned and simplify.
2203 * tree.c (build_common_tree_nodes): Remove second parameter.
2204 Adjust call to initialize_sizetypes.
2205 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2206 build_common_tree_nodes.
2208 2010-04-18 Matthias Klose <doko@ubuntu.com>
2210 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2212 2010-04-18 Ira Rosen <irar@il.ibm.com>
2214 PR tree-optimization/43771
2215 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2216 load permutation doesn't have gaps.
2218 2010-04-18 Jan Hubicka <jh@suse.cz>
2220 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2221 (sse_prologue_save_insn expander): Use new pattern.
2222 (sse_prologue_save_insn1): New pattern and splitter.
2223 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2225 * i386.c (setup_incoming_varargs_64): Do not compute jump
2227 (ix86_gimplify_va_arg): Update alignment needed.
2228 (ix86_local_alignment): Do not align all local arrays to 128bit.
2230 2010-04-17 Jan Hubicka <jh@suse.cz>
2232 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2234 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2236 * arm.md (negdi2): Remove redundant code to force values into a
2239 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2241 * arm/bpabi.S: Add EABI alignment attributes to objects.
2242 * arm/bpabi-v6m.S: Likewise.
2243 * arm/crti.asm: Likewise.
2244 * arm/crtn.asm: Likewise.
2245 * arm/lib1funcs.asm: Likewise.
2246 * arm/libunwind.S: Likewise.
2248 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2250 * arm-protos.h (tune_params): New structure.
2251 * arm.c (current_tune): New variable.
2252 (arm_constant_limit): Delete.
2253 (struct processors): Add pointer to the tune parameters.
2254 (arm_slowmul_tune): New tuning option.
2255 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2256 (all_cores): Adjust to pick up the tuning model.
2257 (arm_constant_limit): New function.
2258 (arm_override_options): Select the appropriate tuning model. Delete
2259 initialization of arm_const_limit.
2260 (arm_split_constant): Use the new constant-limit model.
2261 (arm_rtx_costs): Pick up the current tuning model.
2262 * arm.md (is_strongarm, is_xscale): Delete.
2263 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2264 for Xscale variant architectures.
2265 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2267 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2269 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2271 (arm_rtx_costs_1): Remove unused variable extra_cost.
2272 (arm_unwind_emit_set): Use variable offset.
2273 (thumb1_output_casesi): Remove unused variable flags.
2275 2010-04-16 Jeff Law <law@redhat.com>
2277 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2278 needing assignment rather than doing a two-phase assignment. Remove
2279 unused variable 'm'.
2281 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2284 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2286 2010-04-16 Doug Kwan <dougkwan@google.com>
2288 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2289 (next_operand_entry_id): New static variable.
2290 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2291 (add_to_ops_vec): Assigned unique ID to operand entry.
2292 (struct oecount_s): New field ID.
2293 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2294 (undistribute_ops_list): Assign unique IDs to oecounts.
2295 (init_reassoc): reset next_operand_entry_id.
2297 2010-04-16 Doug Kwan <dougkwan@google.com>
2299 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2300 missing left parenthesis.
2302 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2304 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2305 *btdi_rex64 using SWI48 mode iterator.
2306 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2307 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2308 *jcc_btdi_mask_rex64.
2310 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2312 * double-int.h (tree_to_double_int): Convert to macro.
2313 * double-int.c (tree_to_double_int): Remove.
2315 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2318 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2319 with want_address 2 and in case a single element list might be
2320 possible, call it again with want_address 0.
2322 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2324 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2325 case 'W' print operands for HI mode.
2326 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2327 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2328 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2329 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2331 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2333 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2334 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2335 #xx:3 and #xx:4 mode.
2337 * config/h8300/h8300.md (inverted load with HImode dest): Add
2338 support for H8300SX.
2340 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2341 satisfy 'U' constraint.
2343 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2345 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2346 * configure: Regenerate.
2347 * config.in: Regenerate.
2348 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2351 2010-04-16 Richard Guenther <rguenther@suse.de>
2353 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2354 (struct tree_decl_common): ... here.
2355 (DECL_PT_UID): Adjust.
2356 (SET_DECL_PT_UID): Likewise.
2357 (DECL_PT_UID_SET_P): Likewise.
2359 2010-04-16 Richard Guenther <rguenther@suse.de>
2361 PR tree-optimization/43572
2362 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2363 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2364 * tree-flow.h (is_call_clobbered): Remove.
2365 * tree-flow-inline.h (is_call_clobbered): Likewise.
2366 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2367 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2368 (execute_return_slot_opt): Adjust.
2369 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2370 check for call clobbered vars here.
2371 (find_tail_calls): Move tailcall verification to the
2374 2010-04-16 Diego Novillo <dnovillo@google.com>
2376 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2378 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2381 * config/arm/arm.md (cbranchqi4): New pattern.
2382 * config/arm/predicates.md (const0_operand,
2383 cbranchqi4_comparison_operator): New predicates.
2385 2010-04-16 Richard Guenther <rguenther@suse.de>
2387 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2388 (dump_gimple_stmt): Likewise.
2390 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2392 * recog.h (struct recog_data): New field is_operator.
2393 (struct insn_operand_data): New field is_operator.
2394 * recog.c (extract_insn): Set recog_data.is_operator.
2395 * genoutput.c (output_operand_data): Emit code to set the
2397 * reload.c (find_reloads): Use it rather than testing for an
2398 empty constraint string.
2401 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2402 If the previous insn is a cbranchsi4_insn with the same arguments,
2403 omit the compare instruction.
2405 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2406 register, inputs must be low registers and we need a low register
2407 scratch. Handle alternative 2 like alternative 3.
2409 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2411 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2412 don't call get_addr on both. If one expression is a VALUE and
2413 the other a REG, check VALUE's locs if the REG isn't among them.
2415 2010-04-16 Christian Bruel <christian.bruel@st.com>
2417 * config/sh/sh.h (sh_frame_pointer_required): New function.
2418 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2419 (flag_omit_frame_pointer) Set.
2420 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2421 (rounded_frame_size): Adjust size with outgoing_args_size.
2422 (sh_set_return_address): Must return from stack pointer.
2423 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2424 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2425 (ACCUMULATE_OUTGOING_ARGS): Define.
2426 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2427 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2429 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2432 * config/sh/sh.c (sh_legitimize_reload_address): Use
2433 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2434 Remove a unneeded check for offset_base.
2436 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2438 * configure: Regenerated.
2440 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2442 * config/s390/s390.c (s390_call_save_register_used): Switch back
2443 to HARD_REGNO_NREGS.
2445 2010-04-15 Richard Guenther <rguenther@suse.de>
2447 * alias.c (alias_set_subset_of): Handle alias-set zero
2450 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2451 Julian Brown <julian@codesourcery.com>
2453 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2454 alternatives according to use of high and low regs.
2455 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2456 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2457 optimizing for size on Thumb-2.
2459 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2461 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2463 2010-04-15 Richard Guenther <rguenther@suse.de>
2465 * tree-ssa-structalias.c (struct variable_info): Add
2467 (new_var_info): Initialize it.
2468 (dump_constraints): Support printing last added constraints.
2469 (debug_constraints): Adjust.
2470 (dump_constraint_graph): Likewise.
2471 (make_heapvar_for): Check for NULL cfun.
2472 (get_function_part_constraint): New function.
2473 (get_fi_for_callee): Likewise.
2474 (find_func_aliases): Properly implement IPA PTA constraints.
2475 (process_ipa_clobber): New function.
2476 (find_func_clobbers): Likewise.
2477 (insert_into_field_list_sorted): Remove.
2478 (create_function_info_for): Properly allocate vars for IPA mode.
2479 Do not use insert_into_field_list_sorted.
2480 (create_variable_info_for): Properly generate constraints for
2481 global vars in IPA mode.
2482 (dump_solution_for_var): Always dump the solution.
2483 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2484 (find_what_var_points_to): Adjust.
2485 (pt_solution_set): Change.
2486 (pt_solution_ior_into): New function.
2487 (pt_solution_empty_p): Export.
2488 (pt_solution_includes_global): Adjust.
2489 (pt_solution_includes_1): Likewise.
2490 (pt_solutions_intersect_1): Likewise.
2491 (dump_sa_points_to_info): Check some invariants.
2492 (solve_constraints): Move constraint dumping ...
2493 (compute_points_to_sets): ... here.
2494 (ipa_pta_execute): ... and here.
2495 (compute_may_aliases): Do not re-compute points-to info
2496 locally if IPA info is available.
2497 (ipa_escaped_pt): New global var.
2498 (ipa_pta_execute): Properly implement IPA PTA.
2499 * tree-into-ssa.c (dump_decl_set): Support dumping
2500 decls not in referenced-vars.
2501 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2502 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2503 (dump_points_to_solution): Likewise.
2504 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2505 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2506 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2507 (copy_decl_to_var): Copy DECL_PT_UID.
2508 (copy_result_decl_to_var): Likewise.
2509 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2510 (copy_node_stat): Copy it.
2511 * tree.h (DECL_PT_UID): New macro.
2512 (SET_DECL_PT_UID): Likewise.
2513 (DECL_PT_UID_SET_P): Likewise.
2514 (struct tree_decl_minimal): Add pt_uid member.
2515 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2516 (pt_solution_empty_p): Declare.
2517 (pt_solution_set): Adjust.
2518 (ipa_escaped_pt): Declare.
2519 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2520 * gimple-pretty-print.c (pp_points_to_solution): New function.
2521 (dump_gimple_call): Dump call clobber/use information.
2522 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2523 * tree-pass.h (TDF_ALIAS): New dump option.
2524 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2525 * doc/invoke.texi (-fipa-pta): Update documentation.
2527 2010-04-15 Richard Guenther <rguenther@suse.de>
2529 * Makefile.in (OBJS-common): Add gimple-fold.o.
2530 (gimple-fold.o): New rule.
2531 * tree.h (maybe_fold_offset_to_reference,
2532 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2534 * gimple.h: ... here.
2535 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2536 may_propagate_address_into_dereference): Move prototypes ...
2537 * gimple.h: ... here.
2538 * tree-ssa-ccp.c (get_symbol_constant_value,
2539 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2540 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2541 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2542 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2543 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2544 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2545 gimplify_and_update_call_from_tree): Move ...
2546 * gimple-fold.c: ... here. New file.
2547 (ccp_fold_builtin): Rename to ...
2548 (gimple_fold_builtin): ... this.
2549 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2551 2010-04-15 Richard Guenther <rguenther@suse.de>
2553 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2554 fit_double_type, force_fit_type_double, add_double_with_sign,
2555 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2556 lrotate_double, rrotate_double, div_and_round_double): Move ...
2557 * double-int.c: ... here.
2558 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2559 add_double, neg_double, mul_double_with_sign, mul_double,
2560 lshift_double, rshift_double, lrotate_double, rrotate_double,
2561 div_and_round_double): Move prototypes ...
2562 * double-int.h: ... here.
2564 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2567 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2568 matching constraints to ensure inputs match the output.
2570 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2573 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2574 in an input-only operand.
2576 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2578 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2579 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2580 (double_int_negative_p): Convert to static inline function.
2581 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2582 (double_int_negative_p): Remove.
2583 * tree.h (lshift_double, rshift_double):
2584 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2585 * fold-const.c (fold_convert_const_int_from_real,
2586 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2587 (lshift_double): Change type of arith argument to bool.
2588 (rshift_double): Change type of arith argument to bool. Correct
2590 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2592 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2595 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2596 at the start and end of the then/else blocks, and omit them from the
2598 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2599 argument; all callers changed. Pass zero to old_insns_match_p instead.
2600 (flow_find_head_matching_sequence): New function.
2601 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2602 * basic-block.h (flow_find_cross_jump,
2603 flow_find_head_matching_sequence): Declare functions.
2605 2010-04-14 Jason Merrill <jason@redhat.com>
2608 * c-common.c (attribute_takes_identifier_p): New fn.
2609 * c-common.h: Declare it.
2611 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2613 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2615 (*udivmod<mode>4): Ditto.
2617 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2619 * config/i386/i386.md (maxmin_int): Rename code attribute from
2620 maxminiprefix and update all users.
2621 (maxmin_float): Ditto from maxminfprefix.
2622 (logic): Ditto from logicprefix.
2623 (absneg_mnemonic): Ditto from absnegprefix.
2624 * config/i386/mmx.md: Update all users of maxminiprefix,
2625 maxminfprefix and logicprefix for rename.
2626 * config/i386/sse.md: Ditto.
2627 * config/i386/sync.md (sync_<code><mode>): Update for
2630 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2633 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2634 warnings converted to errors.
2636 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2638 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2639 used insn_type variable.
2640 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2641 to avoid set-but-not-used warning.
2643 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2645 * df-core.c (df_ref_debug): Change format string placeholder
2647 * dwarf2asm.c (dw2_asm_output_data_raw,
2648 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2649 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2650 * dwarf2out.c (output_cfi, output_cfi_directive,
2651 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2652 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2654 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2655 * print-rtl.c (print_rtx): Ditto.
2657 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2660 * builtins.c (expand_builtin_pow_root): New function to expand pow
2661 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2662 series of sqrt and cbrt calls under -ffast-math.
2663 (expand_builtin_pow): Call it.
2665 2010-04-14 Michael Matz <matz@suse.de>
2667 PR tree-optimization/42963
2668 * tree-cfg.c (touched_switch_bbs): New static variable.
2669 (group_case_labels_stmt): New function broken out from ...
2670 (group_case_labels): ... here, use the above.
2671 (start_recording_case_labels): Allocate touched_switch_bbs.
2672 (end_recording_case_labels): Deallocate it, call
2673 group_case_labels_stmt.
2674 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2676 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2678 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2681 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2683 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2685 2010-04-13 Jan Hubicka <jh@suse.cz>
2687 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2688 of optimized out static functions.
2689 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2690 cost computation. Also sanity check for overflows.
2691 (update_caller_keys): Update cgraph_edge_badness call; properly
2692 update fibheap and sanity check that it is up to date.
2693 (add_new_edges_to_heap): Update cgraph_edge_badness.
2694 (cgraph_decide_inlining_of_small_function): Likewise;
2695 add sanity checking that badness in heap is up to date;
2696 improve dumping of reason; Update badness of calls to the
2697 offline copy of function currently inlined; dump badness
2698 of functions not inlined because of unit growth limits.
2700 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2703 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2704 because of sign-extension change when converting to sizetype here...
2705 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2707 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2708 the folding to constants. Remove redundant final conversion.
2709 (fold_binary) <associate>: Do not associate if the re-association of
2710 constants alone overflows.
2711 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2712 to the end of the list.
2713 (multiple_of_p) <COND_EXPR>: New case.
2715 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2717 * opt-functions.awk (opt_sanitized_name): New.
2719 * optc-gen.awk: Use it
2720 * opth-gen.awk: Use it.
2722 2010-04-13 Martin Jambor <mjambor@suse.cz>
2724 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2725 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2726 children. Call replace_uses_with_default_def_ssa_name to handle
2729 2010-04-13 Michael Matz <matz@suse.de>
2732 * builtins.c (expand_builtin_interclass_mathfn): Also create
2733 a register if the predicate doesn't match.
2735 2010-04-13 Diego Novillo <dnovillo@google.com>
2737 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2738 * c-pch.c: Include timevar.h.
2739 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2740 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2741 * ggc-common.c: Include timevar.h.
2742 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2743 * timevar.def (TV_PCH_SAVE): Define.
2744 (TV_PCH_CPP_SAVE): Define.
2745 (TV_PCH_PTR_REALLOC): Define.
2746 (TV_PCH_PTR_SORT): Define.
2747 (TV_PCH_RESTORE): Define.
2748 (TV_PCH_CPP_RESTORE): Define.
2750 2010-04-13 Michael Matz <matz@suse.de>
2752 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2754 (can_reassociate_p): New function.
2755 (break_up_subtract_bb, reassociate_bb): Use it.
2757 2010-04-13 Richard Guenther <rguenther@suse.de>
2760 * builtins.c (c_readstr): Fix assert.
2762 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2764 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2765 when generating cltd insn.
2767 (*ashl<mode>3_1): Remove special handling for register operand 2.
2768 (*ashlsi3_1_zext): Ditto.
2769 (*ashlhi3_1): Ditto.
2770 (*ashlhi3_1_lea): Ditto.
2771 (*ashlqi3_1): Ditto.
2772 (*ashlqi3_1_lea): Ditto.
2773 (*<shiftrt_insn><mode>3_1): Ditto.
2774 (*<shiftrt_insn>si3_1_zext): Ditto.
2775 (*<shiftrt_insn>qi3_1_slp): Ditto.
2776 (*<rotate_insn><mode>3_1): Ditto.
2777 (*<rotate_insn>si3_1_zext): Ditto.
2778 (*<rotate_insn>qi3_1_slp): Ditto.
2780 2010-04-13 Richard Guenther <rguenther@suse.de>
2782 * tree-ssa-structalias.c (callused_id): Remove.
2783 (call_stmt_vars): New.
2784 (get_call_vi): Likewise.
2785 (lookup_call_use_vi): Likewise.
2786 (lookup_call_clobber_vi): Likewise.
2787 (get_call_use_vi): Likewise.
2788 (get_call_clobber_vi): Likewise.
2789 (make_transitive_closure_constraints): Likewise.
2790 (handle_const_call): Adjust to do per-call call-used handling.
2791 (handle_pure_call): Likewise.
2792 (find_what_var_points_to): Remove general callused handling.
2793 (init_base_vars): Likewise.
2794 (init_alias_vars): Initialize call_stmt_vars.
2795 (compute_points_to_sets): Process call-used and call-clobbered
2796 vars for call statements.
2797 (delete_points_to_sets): Free call_stmt_vars.
2799 2010-04-13 Richard Guenther <rguenther@suse.de>
2801 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2802 Only add RW dependence for dependence distance zero.
2803 Adjust maximal vectorization factor according to dependences.
2804 Move alignment handling ...
2805 (vect_find_same_alignment_drs): ... here. New function.
2806 (vect_analyze_data_ref_dependences): Adjust.
2807 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2808 (vect_analyze_data_refs): Adjust minimal vectorization factor
2809 according to data references.
2810 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2811 dependences before determining the vectorization factor.
2812 Analyze alignment after determining the vectorization factor.
2813 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2814 dependences before alignment.
2815 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2817 (vect_analyze_data_refs): Likewise.
2818 (MAX_VECTORIZATION_FACTOR): New define.
2820 2010-04-13 Duncan Sands <baldrick@free.fr>
2822 * except.h (lang_eh_type_covers): Remove.
2823 * except.c (lang_eh_type_covers): Likewise.
2825 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2826 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2828 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2829 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2830 UNITS_PER_LONG where it is ABI relevant.
2831 (s390_return_addr_rtx): Likewise.
2832 (s390_back_chain_rtx): Likewise.
2833 (s390_frame_area): Likewise.
2834 (s390_frame_info): Likewise.
2835 (s390_initial_elimination_offset): Likewise.
2836 (save_gprs): Likewise.
2837 (s390_emit_prologue): Likewise.
2838 (s390_emit_epilogue): Likewise.
2839 (s390_function_arg_advance): Likewise.
2840 (s390_function_arg): Likewise.
2841 (s390_va_start): Likewise.
2842 (s390_gimplify_va_arg): Likewise.
2843 (s390_function_profiler): Likewise.
2844 (s390_optimize_prologue): Likewise.
2845 (s390_rtx_costs): Likewise.
2846 (s390_secondary_reload): Likewise.
2847 (s390_promote_function_mode): Likewise.
2848 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2849 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2850 registers available.
2851 (s390_unwind_word_mode): New function.
2852 (s390_function_value): Split 64 bit values into register pair if
2853 used as return value.
2854 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2855 function call parameters. Handle parallels.
2856 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2857 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2858 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2859 (s390_expand_setmem): Remove unused variable src_addr.
2860 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2861 deal with 64 bit registers.
2862 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2863 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2864 (UNITS_PER_LONG): New macro.
2865 * libjava/include/s390-signal.h: Define extended ucontext
2866 structure containing the upper halfs of the 64 bit registers.
2868 2010-04-13 Simon Baldwin <simonb@google.com>
2870 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2872 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2874 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2875 rvalue on the RHS if the LHS is of a non-renamable type.
2876 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2878 2010-04-13 Matthias Klose <doko@ubuntu.com>
2880 * gcc.c (cc1_options): Handle -iplugindir before processing
2881 the cc1 spec. Only add -iplugindir once.
2882 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2884 * common.opt (iplugindir): Remove `Separate' property, initialize.
2885 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2887 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2888 (distclean): Remove plugin dir.
2889 * doc/invoke.texi: Document -iplugindir.
2891 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2893 * doc/plugins.texi (Loading Plugins): Document short
2894 -fplugin=foo option.
2895 (Plugin API): Mention default_plugin_dir_name function.
2897 * gcc.c (find_file_spec_function): Add new declaration.
2898 (static_spec_func): Use it for "find-file".
2899 (find_file_spec_function): Add new function.
2900 (cc1_options): Add -iplugindir option if -fplugin* options found.
2902 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2904 * plugin.c (add_new_plugin): Updated comment, and handle short
2906 (default_plugin_dir_name): Added new function.
2908 * common.opt (iplugindir): New option to set the plugin directory.
2910 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2912 * config/i386/i386.md (any_rotate): New code iterator.
2913 (rotate_insn): New code attribute.
2915 (SWIM124): New mode iterator.
2916 (<rotate_insn>ti3): New expander.
2917 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2918 any_rotate code iterator.
2919 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2920 using any_rotate code iterator and SWIM124 mode iterator.
2921 (ix86_rotlti3): New insn_and_split pattern.
2922 (ix86_rotrti3): Ditto.
2923 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2924 ix86_rotl{di,ti}3 patterns.
2925 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2926 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2927 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2928 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2929 code iterator and SWI mode iterator.
2930 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2931 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2933 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2934 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2935 (bswap rotatert splitter): Add splitter.
2936 (bswap splitter): Macroize splitter using any_rotate code iterator.
2937 Add insn predicate to split only for TARGET_USE_XCHGB or when
2938 optimizing function for size.
2940 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2942 * config/pa/pa.c (emit_move_sequence): Remove use of
2943 deleted variable flag_argument_noalias.
2945 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2947 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2949 Add to unsupported targets list.
2950 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2951 sparc*-sun-solaris2.[567]* from target lists.
2952 * configure: Regenerate.
2953 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2955 Remove Solaris 7 patch references.
2956 (Specific, sparc-sun-solaris2.7): Removed.
2957 (sparc-sun-solaris2*): Update Solaris 7 example.
2958 (sparc64-*-solaris2*): Likewise.
2960 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2962 * config.build (alpha*-dec-osf4*): Remove.
2963 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2964 of obsolete configurations.
2965 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2967 * config/alpha/t-osf4: Renamed to ...
2968 * config/alpha/t-osf5: ... this.
2969 * config/alpha/osf.h: Renamed to ...
2970 * config/alpha/osf5.h: ... this.
2971 Merged old osf5.h contents.
2973 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2974 (EXTRA_SPECS): Removed.
2975 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2976 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2979 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2981 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2983 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2986 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2987 __thiscall convention.
2989 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2991 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2993 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2995 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2997 * function.c (assign_parms_initialize_all): Add unused attribute
3000 2010-04-12 Richard Guenther <rguenther@suse.de>
3002 * gsstruct.def (GSS_CALL): New.
3003 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3004 * gimple.h: Include tree-ssa-alias.h.
3005 (struct gimple_statement_call): New.
3006 (union gimple_statement_struct_d): Add gimple_call member.
3007 (gimple_call_reset_alias_info): Declare.
3008 (gimple_call_use_set): New function.
3009 (gimple_call_clobber_set): Likewise.
3010 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3011 * gimple.c (gimple_call_reset_alias_info): New function.
3012 (gimple_build_call_1): Call it.
3013 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3014 * tree-inline.c (remap_gimple_stmt): Likewise.
3015 (expand_call_inline): Remove callused handling.
3016 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3017 * tree-dfa.c (dump_variable): Likewise.
3018 * tree-parloops.c (parallelize_loops): Likewise.
3019 * tree-ssa.c (init_tree_ssa): Likewise.
3020 (delete_tree_ssa): Likewise.
3021 * tree-flow-inline.h (is_call_used): Remove.
3022 * tree-flow.h (struct gimple_df): Remove callused member.
3023 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3024 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3025 (ref_maybe_used_by_call_p_1): Simplify.
3026 (call_may_clobber_ref_p_1): Likewise.
3027 * tree-ssa-structalias.c (compute_points_to_sets): Set
3028 the call stmt used and clobbered sets.
3029 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3030 (find_tail_calls): Verify the tail call.
3032 2010-04-12 Richard Guenther <rguenther@suse.de>
3034 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3035 single-iteration always-inline inlining.
3036 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3037 (cgraph_decide_inlining): Do not handle always-inline specially.
3038 (try_inline): Remove always-inline cycle detection special case.
3039 Do not recurse on always-inlines.
3040 (cgraph_early_inlining): Do not iterate if not optimizing.
3041 (cgraph_gate_early_inlining): remove.
3042 (pass_early_inline): Run unconditionally.
3043 (gate_cgraph_decide_inlining): New function.
3044 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3045 not inlining or optimizing.
3046 (cgraph_decide_inlining_of_small_functions): Also consider
3047 always-inline functions.
3048 (cgraph_default_inline_p): Return true for nodes which should
3049 disregard inline limits.
3050 (estimate_function_body_sizes): Assume zero size and time for
3051 nodes which are marked as disregarding inline limits.
3052 (cgraph_decide_recursive_inlining): Do not perform recursive
3053 inlining on always-inline nodes.
3055 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3058 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3059 for exprs satisfying handled_component_p.
3061 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3063 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3064 non-constant aggregate elements.
3066 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3067 is a real initialization.
3069 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3072 * c-decl.c (start_function): Move forward check for nested function.
3074 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3076 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3077 * config/sh/sh.c: Include reload.h.
3078 (sh_legitimize_reload_address): New.
3079 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3080 sh_legitimize_reload_address.
3082 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3084 * config/sh/sh.md (*movqi_pop): New insn pattern.
3085 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3087 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3089 * config/i386/i386.md (any_shiftrt): New code iterator.
3090 (shiftrt_insn): New code attribute.
3092 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3093 using any_shiftrt code iterator.
3094 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3095 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3096 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3097 pattern from corresponding peephole2 patterns.
3098 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3099 using any_shiftrt code iterator.
3100 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3101 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3102 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3103 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3104 *{ashr,lshr}<mode>3_cmp_zext.
3105 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3107 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3109 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3111 (*lshr<mode>3_cconly): Ditto.
3113 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3116 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3117 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3118 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3120 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3121 from corresponding peephole2 patterns.
3122 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3123 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3124 and *lshrdi3_1_rex64 using SWI mode iterator.
3125 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3126 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3127 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3128 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3129 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3130 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3131 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3132 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3133 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3136 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3138 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3139 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3140 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3141 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3143 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3144 from corresponding peephole2 patterns.
3145 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3146 (ashrsi3_cvt): Rename from ashrsi3_31.
3147 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3148 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3149 and x86_64_shift_adj_3 using SWI48 mode iterator.
3150 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3151 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3152 and *ashrdi3_1_rex64 using SWI mode iterator.
3153 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3154 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3155 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3156 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3157 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3158 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3159 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3160 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3161 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3163 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3164 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3165 x86_shift<mode>_adj_3 expanders.
3167 2010-04-10 Wei Guozhi <carrot@google.com>
3170 * config/arm/arm.c (arm_pic_static_addr): New function.
3171 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3173 (arm_output_addr_const_extra): Output expression for new pattern.
3174 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3176 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3178 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3181 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3182 * web.c: Include "insn-config.h" and "recog.h".
3183 (union_match_dups): New function.
3184 (web_main): Call it.
3185 (union_defs): Don't try to recognize match_dups.
3187 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3188 if doing so would replace the entire pattern.
3190 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3194 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3195 and splitter pattern. Change splitter operand 1 predicate to
3198 2010-04-09 Martin Jambor <mjambor@suse.cz>
3200 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3201 lattices are addresses of CONST_DECLs with the same initial value.
3202 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3203 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3205 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3206 Bernd Schmidt <bernds@codesourcery.com>
3208 * loop-invariant.c (replace_uses): New static function.
3209 (move_invariant_reg): Use it to ensure we can replace the uses.
3211 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3213 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3215 (picochip_override_options): Enable section anchors only above -O1.
3216 (picochip_reorg): Fixed a couple of build warnings.
3218 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3220 * configure.ac (plugin -rdynamic test): Log result.
3221 * configure: Regenerate.
3222 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3223 (RDYNAMIC_SPEC): Define.
3224 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3226 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3228 * configure.ac: Determine Sun ld version numbers.
3229 (comdat_group): Restrict GNU ld version checks to gld.
3230 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3231 (enable_comdat): Support --enable-comdat.
3232 * configure: Regenerate.
3233 * doc/install.texi (Configuration): Document --enable-comdat.
3235 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3237 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3238 * config/sol2-gld.h: ... here.
3239 * config.gcc (sparc*-*-solaris2*): Reflect this.
3240 (i[34567]86-*-solaris2*): Use it.
3242 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3244 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3246 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3248 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3251 * diagnostic.c (diagnostic_initialize): Initialize
3252 some_warnings_are_errors.
3253 (diagnostic_finish): New.
3254 (diagnostic_action_after_output): Call it before exiting.
3255 (diagnostic_report_diagnostic): Do not print message here. Set
3256 some_warnings_are_errors.
3257 * diagnostic.h (diagnostic_context): Delete
3258 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3259 (diagnostic_finish): Declare.
3260 * toplev.c (toplev_main): Call it before exit.
3262 2010-04-09 Jason Merrill <jason@redhat.com>
3265 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3266 for incomplete type.
3269 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3270 based on a warning flag.
3272 2010-04-09 Richard Guenther <rguenther@suse.de>
3274 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3276 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3279 * varasm.c (default_assemble_visibility): Wrap vars that are
3280 set, but unused, by targets without GAS.
3281 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3282 Remove set, but unused, vars.
3283 (rs6000_legitimize_tls_address): Likewise.
3284 (altivec_expand_dst_builtin): Likewise.
3285 * config/darwin.c (machopic_classify_symbol): Likewise.
3286 (machopic_indirection_name): Likewise.
3288 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3290 * config/i386/i386.md (DWI): New mode iterator.
3291 (S): New mode attribute.
3292 (shift_operand): Ditto.
3293 (shift_immediate_operand): Ditto.
3294 (ashl_input_operand): Ditto.
3295 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3296 using SDWIM mode iterator.
3297 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3298 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3300 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3301 from corresponding peephole2 patterns.
3302 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3303 and x86_64_shift_adj_1 using SWI48 mode iterator.
3304 (x86_shift<mode>_adj_2): Ditto.
3305 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3306 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3307 using SWI48 mode iterator.
3308 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3309 *ashldi3_cmp_rex64 using SWI mode iterator.
3310 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3311 *ashldi3_cconly_rex64 using SWI mode iterator.
3312 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3313 x86_shift<mode>_adj_{1,2}.
3314 (ix86_split_ashr): Ditto.
3315 (ix86_split_lshr): Ditto.
3317 2010-04-09 Richard Guenther <rguenther@suse.de>
3319 * target.h (builtin_conversion): Pass in input and output types.
3320 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3321 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3322 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3323 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3325 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3327 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3329 2010-04-09 Richard Guenther <rguenther@suse.de>
3332 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3334 2010-04-09 Richard Guenther <rguenther@suse.de>
3336 * tree-vectorizer.h (struct _stmt_vec_info): Document
3337 that vectype is the type of the LHS.
3338 (supportable_widening_operation, supportable_narrowing_operation):
3339 Get both input and output vector types as arguments.
3340 (vect_is_simple_use_1): Declare.
3341 (get_same_sized_vectype): Likewise.
3342 * tree-vect-loop.c (vect_determine_vectorization_factor):
3343 Set STMT_VINFO_VECTYPE to the vector type of the def.
3344 (vectorizable_reduction): Adjust.
3345 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3346 Adjust. Specify the output vector type.
3347 (vect_pattern_recog_1): Adjust.
3348 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3349 (vectorizable_call): Adjust.
3350 (vectorizable_conversion): Likewise.
3351 (vectorizable_operation): Likewise.
3352 (vectorizable_type_demotion): Likewise.
3353 (vectorizable_type_promotion): Likewise.
3354 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3356 (vect_is_simple_use_1): New function.
3357 (supportable_widening_operation): Get both input and output
3359 (supportable_narrowing_operation): Likewise.
3360 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3362 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3364 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3365 __thiscall and _thiscall as predefined macros.
3366 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3367 thiscall attribute handling.
3368 (ix86_comp_type_attributes): Likewise.
3369 (ix86_function_regparm): Likewise.
3370 (ix86_return_pops_args): Likewise.
3371 (init_cumulative_args): Likewise.
3372 (find_drap_reg): Likewise.
3373 (ix86_static_chain): Likewise.
3374 (x86_this_parameter): Likewise.
3375 (x86_output_mi_thunk): Likewise.
3376 (ix86_attribute_table): Add description for thiscall attribute.
3377 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3378 * doc/extend.texi: Add documentation for thiscall.
3380 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3383 * c.opt (Wint-to-pointer-cast): Available in C++.
3384 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3386 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3388 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3389 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3390 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3391 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3392 function type instead. Reorder and simplify checks.
3394 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3396 2010-04-08 Jing Yu <jingyu@google.com>
3397 Zdenek Dvorak <ook@ucw.cz>
3399 PR tree-optimization/42720
3400 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3401 loop unswitch conditions here from ...
3402 (tree_unswitch_single_loop): ... here.
3404 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3406 * tree-if-conv.c: Fix comments and simplify logic.
3408 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3410 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3411 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3412 (main_tree_if_conversion): Update call to tree_if_conversion.
3414 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3417 * doc/invoke.texi (-b,-V): Delete.
3418 * doc/tm.texi: Do not mention -b.
3419 * gcc.c (display_help): Delete -b and -V.
3420 (process_command): Delete -b and -V.
3421 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3423 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3424 Wolfgang Gellerich <gellerich@de.ibm.com>
3426 Implement target hook for loop unrolling
3427 * target.h (loop_unroll_adjust): Add a new target hook function.
3428 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3429 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3430 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3431 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3432 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3434 (decide_unroll_stupid): Likewise.
3436 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3439 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3441 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3443 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3444 (Specific, *-*-solaris2*): Likewise.
3445 Don't prefer Sun as over GNU as.
3447 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3449 * config/s390/s390.c (override_options): Adjust the z10
3450 defaults for max-unroll-times, max-completely-peeled-insns
3451 and max-completely-peel-times.
3453 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3455 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3456 instructions for z10.
3457 (s390_expand_setmem): Likewise.
3458 (s390_expand_cmpmem): Likewise.
3460 2010-04-08 Richard Guenther <rguenther@suse.de>
3462 PR tree-optimization/43679
3463 * tree-ssa-pre.c (eliminate): Only propagate copies.
3465 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3468 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3469 set but not used variable warning.
3471 2010-04-08 Wei Guozhi <carrot@google.com>
3474 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3475 (arm_size_rtx_costs): Call the new function when optimized for size.
3477 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3480 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3481 op0 is not a MEM, just return NULL instead of assertion
3483 (discover_nonconstant_array_refs): Don't walk debug stmts.
3485 2010-04-08 Doug Kwan <dougkwan@google.com>
3487 * configure.ac: Recognize gold and do not use its version number
3488 to test ld features.
3489 * configure: Regenerate.
3491 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3494 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3495 (negate_value): Move code to push elements to broken_up_substracts ...
3496 (eliminate_plus_minus_pair): ... here. Push operands that have no
3497 negative pair to plus_negates.
3498 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3500 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3502 * doc/install.texi (Configuration): Move description of
3503 --enable-lto, --with-libelf*, --enable-gold from Java section to
3506 * doc/generic.texi (Working with declarations)
3507 (Function Properties, C and C++ Trees): Fix typos.
3508 * doc/sourcebuild.texi (Top Level): Likewise.
3510 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3513 * tree.h (DECL_READ_P): Define.
3514 (struct tree_decl_common): Add decl_read_flag.
3515 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3516 a set but not used warning.
3517 (merge_decls): Merge DECL_READ_P flag.
3518 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3519 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3520 * c-common.c (handle_used_attribute, handle_unused_attribute):
3522 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3524 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3526 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3527 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3528 c_parser_binary_expression, c_parser_cast_expression,
3529 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3530 Call default_function_array_read_conversion instead of
3531 default_function_array_conversion where needed.
3532 (c_parser_unary_expression, c_parser_conditional_expression,
3533 c_parser_postfix_expression_after_primary, c_parser_initelt):
3534 Likewise. Call mark_exp_read where needed.
3535 (c_parser_statement_after_labels, c_parser_asm_operands,
3536 c_parser_typeof_specifier, c_parser_sizeof_expression,
3537 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3539 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3541 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3542 (warn_unused_but_set_parameter): Default to warn_unused
3544 * doc/invoke.texi: Document -Wunused-but-set-variable and
3545 -Wunused-but-set-parameter.
3547 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3548 used count variable.
3549 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3550 when operandN variables aren't used in the body of the expander
3552 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3553 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3554 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3555 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3556 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3557 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3558 * tree.c (PROCESS_ARG): Likewise.
3560 2010-04-07 Simon Baldwin <simonb@google.com>
3562 * diagnostic.h (diagnostic_override_option_index): New macro to
3563 set a diagnostic's option_index.
3564 * c-tree.h (c_cpp_error): Add warning reason argument.
3565 * opts.c (_warning_as_error_callback): New.
3566 (register_warning_as_error_callback): Store callback for
3567 warnings enabled via enable_warning_as_error.
3568 (enable_warning_as_error): Call callback, minor code tidy.
3569 * opts.h (register_warning_as_error_callback): Declare.
3570 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3571 response to -Werror=.
3572 (c_common_init_options): Register warning_as_error_callback in opts.c.
3573 * common.opt: Add -Wno-cpp option.
3574 * c-common.c (struct reason_option_codes_t): Map cpp warning
3575 reason codes to gcc option indexes.
3576 * (c_option_controlling_cpp_error): New function, lookup the gcc
3577 option index for a cpp warning reason code.
3578 * (c_cpp_error): Add warning reason argument, call
3579 c_option_controlling_cpp_error for diagnostic_override_option_index.
3580 * doc/invoke.texi: Document -Wno-cpp.
3582 2010-04-07 Richard Guenther <rguenther@suse.de>
3584 * ipa-reference.c (mark_load): Use get_base_address.
3585 (mark_store): Likewise.
3587 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3588 inserting GIMPLE_NOPs into the IL.
3589 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3590 Explicitly strip handled components and indirect references.
3592 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3593 folding address expressions.
3594 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3595 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3596 operand_equal_p to compare decls.
3597 (ptr_deref_may_alias_decl_p): Likewise.
3598 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3599 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3600 Handle reversed comparison ops.
3601 * tree-sra.c (asm_visit_addr): Use get_base_address.
3602 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3603 * ipa-reference.c (mark_address): Use get_base_address.
3605 2010-04-07 Richard Guenther <rguenther@suse.de>
3607 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3608 Propagate constants everywhere.
3610 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3613 * tree.c (MAX_INT_CACHED_PREC): Define.
3614 (nonstandard_integer_type_cache): New array.
3615 (build_nonstandard_integer_type): Cache results for precision
3616 <= MAX_INT_CACHED_PREC.
3618 2010-04-07 Richard Guenther <rguenther@suse.de>
3620 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3621 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3622 * common.opt: Likewise.
3623 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3624 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3625 (nonoverlapping_memrefs_p): Likewise.
3626 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3627 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3628 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3629 OPT_fargument_noalias_global for backward compatibility.
3631 2010-04-07 Richard Guenther <rguenther@suse.de>
3633 PR tree-optimization/43270
3634 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3635 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3636 * tree-ssa-pre.c (phi_translate_1): Adjust.
3637 (fully_constant_expression): Split out vn_reference handling to ...
3638 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3639 Fold reads from constant strings.
3640 (vn_reference_lookup): Handle fully constant references.
3641 (vn_reference_lookup_pieces): Likewise.
3642 * Makefile.in (expmed.o-warn): Add -Wno-error.
3644 2010-04-07 Martin Jambor <mjambor@suse.cz>
3646 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3648 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3651 * gcc.c: Add -static-libstdc++ to list of recognized options.
3653 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3655 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3657 2010-04-07 Richard Guenther <rguenther@suse.de>
3660 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3661 bases build simple mem attributes to retain points-to information.
3663 2010-04-07 Richard Guenther <rguenther@suse.de>
3666 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3667 preserve points-to related information.
3669 2010-04-07 Richard Guenther <rguenther@suse.de>
3672 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3673 discard plain indirect references.
3674 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3675 * tree.c (tree_nop_conversion): Likewise.
3677 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3680 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3682 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3684 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3685 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3687 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3689 * tree-if-conv.c: Fix indentation and comments.
3691 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3693 * tree-if-conv.c: Sort static functions in topological order.
3695 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3697 * tree-if-conv.c: Fix indentation and comments.
3699 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3702 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3703 lang_hooks.types.type_for_size instead of
3704 build_nonstandard_integer_type.
3705 When converting an unsigned type to signed, double its precision.
3706 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3707 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3708 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3711 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3714 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3715 POINTER_PLUS_EXPR for pointer types.
3717 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3720 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3721 * graphite-clast-to-gimple.c: Include langhooks.h.
3722 (max_signed_precision_type): New.
3723 (max_precision_type): Takes two types as arguments.
3724 (precision_for_value): New.
3725 (precision_for_interval): New.
3726 (gcc_type_for_interval): New.
3727 (gcc_type_for_value): New.
3728 (gcc_type_for_clast_term): New.
3729 (gcc_type_for_clast_red): New.
3730 (gcc_type_for_clast_bin): New.
3731 (gcc_type_for_clast_expr): Split up into several functions.
3732 (gcc_type_for_clast_eq): Rewritten.
3733 (compute_bounds_for_level): New.
3734 (compute_type_for_level_1): New.
3735 (compute_type_for_level): New.
3736 (gcc_type_for_cloog_iv): Removed.
3737 (gcc_type_for_iv_of_clast_loop): Rewritten.
3738 (graphite_create_new_loop): Compute the lower and upper bound types
3739 with gcc_type_for_clast_expr.
3740 (graphite_create_new_loop_guard): Same.
3741 (find_cloog_iv_in_expr): Removed.
3742 (compute_cloog_iv_types_1): Removed.
3743 (compute_cloog_iv_types): Removed.
3744 (gloog): Do not call compute_cloog_iv_types.
3745 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3747 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3748 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3749 (GBB_CLOOG_IV_TYPES): Removed.
3751 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3753 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3754 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3755 (detect_commutative_reduction): Same.
3757 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3759 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3760 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3762 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3763 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3764 (rewrite_commutative_reductions_out_of_ssa): Same.
3765 * passes.c (execute_function_todo): Call verify_ssa for every pass
3766 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3767 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3768 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3769 with an extra argument.
3770 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3771 verify_ssa only when the extra argument is true.
3772 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3773 with an extra argument.
3774 (tree_transform_and_unroll_loop): Same.
3776 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3778 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3779 for all the passes of the LNO having LOOP_CLOSED_SSA.
3780 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3781 * tree-loop-distribution.c (pass_loop_distribution): Same.
3782 * tree-pass.h (TODO_verify_loops): Removed.
3783 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3785 (pass_tree_unswitch): Same.
3786 (pass_predcom): Same.
3787 (pass_vectorize): Same.
3788 (pass_linear_transform): Same.
3789 (pass_graphite_transforms): Same.
3790 (pass_iv_canon): Same.
3791 (pass_complete_unroll): Same.
3792 (pass_complete_unrolli): Same.
3793 (pass_parallelize_loops): Same.
3794 (pass_loop_prefetch): Same.
3795 (pass_iv_optimize): Same.
3797 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3800 * passes.c (init_optimization_passes): Move pass_lim before
3801 pass_copy_prop and pass_dce_loop.
3803 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3806 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3807 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3808 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3809 MULTI_* defines for 4 argument vpermil2p* builtins.
3811 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3813 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3814 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3815 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3816 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3817 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3818 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3819 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3820 Use x86_maybe_negate_const_int to output insn mnemonic.
3821 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3822 check from instruction predicate. Update comments.
3823 * config/i386/sync.md (sync_add<mode>): Use
3824 x86_maybe_negate_const_int to output insn mnemonic.
3826 2010-04-06 Jan Hubicka <jh@suse.cz>
3828 PR tree-optimization/42906
3829 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3830 IGNORE_SELF argument. Set visited_control_parents for fully
3832 (find_obviously_necessary_stmts): Update call of
3833 mark_control_dependent_edges_necessary.
3834 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3836 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3838 * config/i386/i386.md: Remove comment about 'e' and 'E'
3841 2010-04-06 Richard Guenther <rguenther@suse.de>
3843 PR tree-optimization/43627
3844 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3845 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3848 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3850 * BASE-VER: Change to 4.6.0.
3853 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3856 2010-04-06 Richard Guenther <rguenther@suse.de>
3859 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3861 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3863 * doc/invoke.texi (Optimize Options): Document that LTO
3864 won't remove object access purely due to incompatible
3867 2010-04-04 Matthias Klose <doko@ubuntu.com>
3869 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3870 Initialize variable.
3872 2010-04-03 Richard Guenther <rguenther@suse.de>
3875 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3876 require a non-NULL MEM_OFFSET.
3878 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3880 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3881 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3882 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3883 config/alpha/predicates.md, config/arm/arm.md,
3884 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3885 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3886 config/darwin9.h, config/darwin.c, config/darwin.h,
3887 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3888 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3889 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3890 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3891 config/mips/mips.md, config/mn10300/mn10300.c,
3892 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3893 config/rs6000/aix.h, config/rs6000/dfp.md,
3894 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3895 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3896 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3897 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3898 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3899 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3900 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3901 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3902 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3903 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3904 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3905 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3906 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3907 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3908 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3909 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3910 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3911 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3912 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3913 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3914 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3915 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3916 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3917 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3918 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3919 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3920 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3921 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3922 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3923 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3924 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3925 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3926 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3927 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3928 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3929 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3931 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3934 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3935 * aclocal.m4: Regenerate.
3937 2010-04-02 Richard Guenther <rguenther@suse.de>
3939 PR tree-optimization/43629
3940 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3941 if we have seen a constant value.
3943 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3945 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3947 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3950 * arm.c (legitimize_tls_address): Adjust call to
3951 gen_tls_load_dot_plus_four.
3952 (arm_note_pic_base): New function.
3953 (arm_cannot_copy_insn_p): Use it.
3954 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3957 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3962 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3964 * Makefile.in ($(out_object_file)): Depend on
3965 gt-$(basename $(notdir $(out_file))).h.
3967 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3969 * config.gcc (lm32-*-rtems*): Add t-lm32.
3971 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3973 * config.gcc: Add lm32-*-rtems*.
3974 * config/lm32/rtems.h: New file.
3976 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3979 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3981 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3983 * dwarf2out.c (output_compilation_unit_header): For
3984 -gdwarf-4 use version 4 instead of version 3.
3985 (output_line_info): For version 4 and above emit additional
3986 maximum ops per insn header field.
3987 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3989 * dwarf2out.c (is_c_family, is_java): Remove.
3990 (lower_bound_default): New function.
3991 (add_bound_info, gen_descr_array_type_die): Use it.
3993 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3996 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3997 re-declaration when it happens in a function.
3999 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4001 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4002 (cgraph_remove_function_insertion_hook): Same.
4003 (cgraph_call_function_insertion_hooks): Same.
4005 2010-04-01 Richard Guenther <rguenther@suse.de>
4008 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4009 and TREE_THIS_VOLATILE.
4010 (copy_ref_info): Likewise.
4011 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4012 * tree.c (build6_stat): Ignore side-effects of all but arg5
4013 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4016 2010-04-01 Richard Guenther <rguenther@suse.de>
4018 PR tree-optimization/43607
4019 * ipa-type-escape.c (check_call): Do not access non-existing
4022 2010-04-01 Richard Guenther <rguenther@suse.de>
4026 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4027 Jack Howarth <howarth@bromo.med.uc.edu>
4029 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4032 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4034 * doc/install.texi (Prerequisites): Document libelf usability on
4035 IRIX 5/6 and Solaris 2.
4036 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4037 Update GNU as, GNU ld requirements.
4038 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4039 Document Sun Studio compiler download.
4040 Update and simplify as, ld recommendations.
4041 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4043 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4045 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4046 with_tune_32 to pentium4.
4048 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4050 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4052 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4054 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4055 obsoletion, removal.
4057 Document GNU as requirement.
4058 Update configure requirements.
4059 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4060 Recomment IRIX 6.5.18+.
4061 Document IDF/IDL requirement.
4062 Document GNU as requirement.
4063 Document GNU ld bootstrap failure.
4064 Remove freeware.sgi.com reference.
4066 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4068 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4069 UNIX V4.0, V5.0 obsoletion, removal.
4070 Remove --with-gc=simple reference.
4071 Update VM requirements during bootstrap.
4072 Remove -oldas bootstrap description.
4073 Update binutils reference.
4074 Remove comparison failure note.
4076 2010-03-31 Richard Guenther <rguenther@suse.de>
4077 Zdenek Dvorak <ook@ucw.cz>
4078 Sebastian Pop <sebastian.pop@amd.com>
4081 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4082 with multiple arguments.
4083 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4085 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4087 * graphite-dependences.c (print_pddr): Call print_pdr with an
4089 * graphite-poly.c (debug_pdr): Add an extra argument for the
4092 (print_pbb_domain): Same.
4094 (print_scop_context): Same.
4096 (print_cloog): Same.
4097 (debug_pbb_domain): Same.
4101 (debug_scop_context): Same.
4103 (debug_cloog): Same.
4104 (print_scop_params): Same.
4105 (debug_scop_params): Same.
4106 (print_iteration_domain): Same.
4107 (print_iteration_domains): Same.
4108 (debug_iteration_domain): Same.
4109 (debug_iteration_domains): Same.
4110 (print_scattering_function): Same.
4111 (print_scattering_functions): Same.
4112 (debug_scattering_function): Same.
4113 (debug_scattering_functions): Same.
4114 * graphite-poly.h (debug_pdr): Update declaration.
4116 (print_pbb_domain): Same.
4118 (print_scop_context): Same.
4120 (print_cloog): Same.
4121 (debug_pbb_domain): Same.
4125 (debug_scop_context): Same.
4127 (debug_cloog): Same.
4128 (print_scop_params): Same.
4129 (debug_scop_params): Same.
4130 (print_iteration_domain): Same.
4131 (print_iteration_domains): Same.
4132 (debug_iteration_domain): Same.
4133 (debug_iteration_domains): Same.
4134 (print_scattering_function): Same.
4135 (print_scattering_functions): Same.
4136 (debug_scattering_function): Same.
4137 (debug_scattering_functions): Same.
4139 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4141 * graphite-poly.c (print_scattering_function_1): New.
4142 (print_scattering_function): Call it.
4143 (print_scop_params): Remove spaces at the end of lines.
4146 * graphite-poly.h (print_cloog): Declared.
4147 (debug_cloog): Declared.
4149 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4151 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4153 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4154 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4155 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4156 to switch between adding the IV bump in loop->latch or in loop->header.
4158 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4160 * graphite-poly.c (print_scattering_function): Pretty print following
4163 (print_pbb_domain): Same.
4164 (dump_gbb_cases): Same.
4165 (dump_gbb_conditions): Same.
4168 (print_scop_params): Same.
4169 (print_scop_context): Same.
4171 (print_pbb_body): New.
4172 (lst_indent_to): New.
4173 (print_lst): Start new lines with a #.
4174 * graphite-poly.h (pbb_bb): New.
4175 (pbb_index): Use pbb_bb.
4176 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4178 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4180 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4182 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4183 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4184 and 0 instead of 1 for dw_val_class_flag.
4185 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4186 dw_val_class_range_list, dw_val_class_loc_list,
4187 dw_val_class_lineptr and dw_val_class_macptr, use
4188 DW_FORM_flag_present for dw_val_class_flag and
4189 DW_FORM_exprloc for dw_val_class_loc.
4190 (output_die): For -gdwarf-4 print dw_val_class_loc
4191 size as uleb128 instead of 1 or 2 bytes and don't print
4192 anything for dw_val_class_flag.
4194 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4195 instead of cselib_lookup following by tweaking locs->setting_insn.
4198 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4199 even before returning from label, setjmp call or volatile asm
4202 2010-03-31 Richard Guenther <rguenther@suse.de>
4205 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4206 temporary data on stack.
4208 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4210 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4211 (PUSHSECTION_ASM_OP): Remove.
4212 (POPSECTION_ASM_OP): Remove.
4213 (PUSHSECTION_FORMAT): Remove.
4214 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4215 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4216 * config/sol2.c (solaris_output_init_fini): Use it.
4218 2010-03-31 Jie Zhang <jie@codesourcery.com>
4221 * opt-functions.awk (var_type_struct): Use signed char type
4222 for simple variables.
4224 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4226 * config/sol2.c: Include output.h.
4227 (solaris_assemble_visibility): New function.
4228 * config/t-sol2 (sol2.o): Add output.h dependency.
4229 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4230 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4233 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4236 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4237 V2SImode or XFmode on PRE_DEC.
4240 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4243 2010-03-31 Jie Zhang <jie@codesourcery.com>
4246 * reload.h (caller_save_initialized_p): Declare.
4247 * toplev.c (backend_init_target): Don't call
4248 init_caller_save but set caller_save_initialized_p to false.
4249 * caller-save.c (caller_save_initialized_p): Define.
4250 (init_caller_save): Check caller_save_initialized_p.
4251 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4253 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4256 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4257 and soft-fp/t-softfp to tmake_file.
4258 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4259 (LIBGCC2_TF_CEXT): Define.
4262 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4265 * cselib.c (n_useless_values): Document handling of debug locs.
4266 (n_useless_debug_values, n_debug_values): New variables.
4267 (new_elt_loc_list): Don't add to debug values, keep count.
4268 (promote_debug_loc): New.
4269 (cselib_reset_table): Zero new variables.
4270 (entry_and_rtx_equal_p): Promote debug locs.
4271 (discard_useless_locs): Increment n_useless_debug_values for
4273 (remove_useless_values): Adjust n_useless_values and n_debug_values
4274 with n_useless_debug_values.
4275 (add_mem_for_addr): Promote debug locs.
4276 (cselib_lookup_mem): Likewise.
4277 (cselib_lookup_addr): Renamed to...
4278 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4279 (cselib_log_lookup): ... this. Turn into...
4280 (cselib_lookup_addr): ... new wrapper.
4281 (cselib_lookup_from_insn): New.
4282 (cselib_invalidate_regno): Increment n_useless_debug_values for
4284 (cselib_invalidate_mem): Likewise.
4285 (cselib_process_insn): Take n_deleted and n_debug_values into
4286 account to guard remove_useless_value call.
4287 (cselib_finish): Zero n_useless_debug_values.
4288 * cselib.h (cselib_lookup_from_insn): Declare.
4289 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4290 (sched_analyze_2): Likewise.
4292 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4294 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4296 (adjust_mems): Replace narrowing SUBREG of expression containing
4297 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4298 with operations in the narrower mode.
4301 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4302 regs_invalidated_by_call instead all call_used_reg_set registers.
4304 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4307 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4308 pointer comparisons with types_compatible_p.
4309 * tree-vect-stmts.c (vectorizable_call): Same.
4310 (vectorizable_condition): Same.
4312 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4314 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4315 stack check if the mask would be zero.
4317 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4318 Jack Howarth <howarth@bromo.med.uc.edu>
4320 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4323 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4326 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4328 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4329 Include ___unordxf2 and ___unordtf2.
4330 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4333 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4335 * config/lm32/t-lm32: New file.
4336 * config.gcc: Use the above file when targetting lm32.
4338 2010-03-28 Duncan Sands <baldrick@free.fr>
4340 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4342 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4345 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4346 Improve vectorization cost model diagnostic.
4348 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4351 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4352 compute_data_dependences_for_loop returns false, early exit
4353 and output an extra diagnostic for the failed data reference
4356 2010-03-29 Richard Guenther <rguenther@suse.de>
4358 PR tree-optimization/43560
4359 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4360 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4362 2010-03-29 Jie Zhang <jie@codesourcery.com>
4365 * toplev.c (process_options): Set optimization_default_node
4366 and optimization_current_node.
4367 * opts.c (decode_options): Don't set optimization_default_node
4368 and optimization_current_node.
4370 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4372 * config/rtems.h: Abandon -qrtems_debug.
4374 2010-03-28 Jan Hubicka <jh@suse.cz>
4376 PR tree-optimization/43505
4377 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4378 map should not be copied.
4380 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4383 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4384 cdtors, set DECL_PRESERVE_P.
4385 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4388 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4390 PR tree-optimization/43528
4391 * stor-layout.c (place_field): Check that constant fits into
4392 unsigned HWI when skipping calculation of MS bitfield layout.
4394 2010-03-27 Jan Hubicka <jh@suse.cz>
4397 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4398 notice_global_symbol work.
4400 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4402 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4403 instead of dwarf2out_decl.
4404 (struct var_loc_node): Remove section_label field.
4405 (dwarf2out_function_decl): New function.
4406 (dwarf2out_var_location): Don't set section_label field.
4407 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4409 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4411 PR tree-optimization/43544
4412 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4413 First argument for builtin vectorized function hook is now a
4414 tree to be able to distinguish between machine specific and
4416 * targhooks.c (default_builtin_vectorized_function): Ditto.
4417 * targhooks.h (default_builtin_vectorized_function): Ditto.
4418 * target.h (struct gcc_target): Ditto.
4419 * tree-vect-stmts.c (vectorizable_function): Ditto.
4420 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4421 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4424 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4427 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4428 nested binding iff it is a FUNCTION_DECL.
4429 (store_parm_decls_newstyle): Pass nested=true to bind for
4430 FUNCTION_DECLs amongst parameters.
4432 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4434 * var-tracking.c (vt_expand_loc_callback): Don't run
4435 cselib_expand_value_rtx_cb in dummy mode if
4436 cselib_dummy_expand_value_rtx_cb returned false.
4438 * var-tracking.c (emit_note_insn_var_location): For one part
4439 notes with offset 0, don't add EXPR_LIST around the location.
4440 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4441 add_location_or_const_value_attribute): Adjust for that change.
4444 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4445 into first operand and location into second.
4446 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4447 dw_cfi_oprnd_loc for DW_CFA_expression.
4448 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4449 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4450 assume first argument is regnum and second argument is location.
4452 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4455 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4456 of scratch register to DImode. Split to DImode comparison operator.
4457 Use SImode subreg of scratch register in the multiplication.
4458 (*cmp_sadd_sidi): Ditto.
4459 (*cmp_ssub_si): Ditto.
4460 (*cmp_ssub_sidi): Ditto.
4462 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4465 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4466 Remove invalid assert and wrong comment.
4468 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4471 * flags.h (final_insns_dump_p): New extern.
4472 * final.c (final_insns_dump_p): New variable.
4473 (rest_of_clean_state): Set it before -fdump-final-insns=
4474 dumping, clear afterwards.
4475 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4476 MEM_ALIAS_SET on MEMs.
4478 2010-03-26 David S. Miller <davem@davemloft.net>
4480 * configure.ac: Fix sparc GOTDATA_OP bug check.
4481 * configure: Rebuild.
4483 2010-03-26 Alan Modra <amodra@gmail.com>
4485 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4487 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4489 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4490 TLS_SECTION_ASM_FLAG.
4492 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4495 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4496 Clear first_function_block_is_cold.
4499 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4500 argument if the argument is truth_value_p.
4502 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4504 * config/rs6000/constraints.md: Update copyright year for my changes.
4507 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4508 used in reg+reg addressing, swap registers.
4510 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4513 * target.h (struct gcc_target): Add code_end hook.
4514 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4516 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4517 * toplev.c (compile_file): Call targetm.asm_out.code_end
4518 hook before unwind info/debug info output.
4519 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4520 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4521 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4522 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4523 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4524 * config/i386/i386.c (ix86_file_end): Renamed to...
4525 (ix86_code_end): ... this. Make static. Don't call
4526 file_end_indicate_exec_stack. Emit unwind info using
4527 final_start_function/final_end_function.
4528 (darwin_x86_file_end): Remove.
4529 (TARGET_ASM_CODE_END): Define.
4530 * config/i386/i386.h (TARGET_ASM_FILE_END,
4531 NEED_INDICATE_EXEC_STACK): Don't define.
4532 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4533 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4534 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4535 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4538 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4539 at the beginning and final_end_function at the end.
4540 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4542 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4544 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4545 and Sun as TLS syntax.
4546 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4547 * configure: Regenerate.
4548 * config.in: Regenerate.
4549 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4550 (default_elf_asm_named_section): Use it.
4551 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4552 (i386_output_dwarf_dtprel): Likewise.
4553 (output_addr_const_extra): Likewise.
4554 (output_pic_addr_const): Lowercase @GOTTPOFF.
4555 (output_addr_const_extra): Likewise.
4556 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4557 (output_addr_const_extra): Likewise.
4558 (output_pic_addr_const): Lowercase @INDNTPOFF.
4559 (output_addr_const_extra): Likewise.
4560 (output_pic_addr_const): Lowercase @NTPOFF.
4561 (output_addr_const_extra): Likewise.
4562 (output_pic_addr_const): Lowercase @TPOFF.
4563 (output_addr_const_extra): Likewise.
4564 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4565 (*tls_global_dynamic_64): Likewise.
4566 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4567 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4569 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4570 (ASM_OUTPUT_TLS_COMMON): Use it.
4571 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4574 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4575 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4576 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4577 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4578 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4579 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4581 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4583 * config/i386/i386.c (override_options): Don't accept
4584 -mtls-dialect=sun any longer.
4585 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4586 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4587 (*tls_local_dynamic_base_32_sun): Likewise.
4588 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4590 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4593 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4594 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4597 * ira.c (adjust_cleared_regs): New function.
4598 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4602 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4604 * expr.c (expand_expr_real): Restore previous
4605 curr_insn_source_location and curr_insn_block after
4606 expand_expr_real_1 call.
4607 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4608 instead of expand_expr_real_1.
4610 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4612 PR rtl-optimization/43413
4613 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4616 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4619 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4620 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4622 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4624 * config/i386/i386.c (ix86_target_string): Add -mfma.
4625 Fix a typo in comment.
4627 2010-03-22 Mike Stump <mikestump@comcast.net>
4630 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4631 Don't overly align based upon packed packed fields.
4633 2010-03-22 Jason Merrill <jason@redhat.com>
4635 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4636 Use () rather than [], and move before the element type.
4638 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4640 * doc/configfiles.texi (Configuration Files): Removed
4641 fixinc/Makefile*, intl/Makefile.*.
4642 * doc/makefile.texi: Fixed markup. Abstract from version
4643 control system used.
4644 (Makefile): Removed obsolete gcc/java/parse.y example.
4645 * doc/sourcebuild.texi: Likewise.
4646 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4647 libgomp, libssp. Removed fastjar.
4648 (Miscellaneous Docs): Clarify location.
4649 Added COPYING3, COPYING3.LIB.
4650 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4652 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4655 * config/i386/i386.c (x86_function_profiler)
4656 [!NO_PROFILE_COUNTERS]: Fix typo.
4657 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4660 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4661 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4663 * doc/sourcebuild.texi (Test Directives): Split into six
4664 subsections, with most of the current text in new subsections
4665 Directives, Selectors, and Final Actions.
4666 (Directives): Split list of test directives into multiple
4668 (Selectors): Describe use and syntax of selectors.
4669 (Effective-Target Keywords): Describe all existing keywords.
4670 (Add Options): Describe features for dg-add-options.
4671 (Require Support): Describe variants of dg-require-support.
4672 (Final Actions): Describe commands to use in dg-final.
4674 2010-03-22 Michael Matz <matz@suse.de>
4677 * recog.c (validate_replace_rtx_group): Replace also in
4678 REG_EQUAL and REG_EQUIV notes.
4680 2010-03-22 Richard Guenther <rguenther@suse.de>
4682 PR tree-optimization/43390
4683 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4684 sure vector extracts are type correct.
4686 2010-03-22 Richard Guenther <rguenther@suse.de>
4689 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4690 x * sqrt (x) even when optimizing for size if the target
4691 has native support for sqrt.
4693 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4695 * varasm.c (make_decl_rtl_for_debug): Also clear
4696 flag_mudflap for the duration of make_decl_rtl call.
4699 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4700 locs from preserved VALUEs.
4702 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4705 * pa.md (movmemsi): Set align to one if zero.
4706 (movmemdi): Likewise.
4708 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4711 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4712 with their corresponding prologue pushes.
4714 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4717 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4718 at the begining or end.
4719 (spu_expand_epilogue): Likewise.
4721 2010-03-20 Richard Guenther <rguenther@suse.de>
4723 PR rtl-optimization/43438
4724 * combine.c (make_extraction): Properly zero-/sign-extend an
4725 extraction of the low part of a CONST_INT. Also handle
4728 2010-03-19 Mike Stump <mikestump@comcast.net>
4730 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4731 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4732 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4734 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4737 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4740 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4742 PR rtl-optimization/42258
4743 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4744 use that may match DEF.
4747 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4748 the cost of loading the constant rather than assuming
4750 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4751 outer code is AND, do the same tests as the andsi3 expander and
4752 return COSTS_N_INSNS (1) if and is cheap.
4754 * optabs.c (avoid_expensive_constant): Fix formatting.
4756 2010-03-19 Michael Matz <matz@suse.de>
4759 * attribs.c (decl_attributes): When rebuilding a function pointer
4760 type use the same qualifiers as the original pointer type.
4762 2010-03-19 Martin Jambor <mjambor@suse.cz>
4764 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4765 and is_gimple_ip_invariant_address.
4767 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4770 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4772 * config/arm/arm.c (arm_override_options): Turn off
4773 flag_dwarf2_cfi_asm for AAPCS variants.
4775 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4778 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4779 Use PRE_MODIFY instead of PRE_DEC.
4780 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4781 (vfp_emit_fstmd): Likewise.
4783 2010-03-19 Michael Matz <matz@suse.de>
4786 * builtins.c (expand_builtin_interclass_mathfn,
4787 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4790 2010-03-19 Richard Guenther <rguenther@suse.de>
4792 PR tree-optimization/43415
4793 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4794 (phi_translate_1): ... this.
4795 (phi_translate): Move all caching here. Cache all NARY
4796 and REFERENCE translations.
4798 2010-03-19 David S. Miller <davem@davemloft.net>
4800 With help from Eric Botcazou.
4801 * config/sparc/sparc.c: Include dwarf2out.h.
4802 (emit_pic_helper): Delete.
4803 (pic_helper_symbol_name): Delete.
4804 (pic_helper_emitted_p): Delete.
4805 (pic_helper_needed): New.
4806 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4807 (get_pc_thunk_name): New.
4808 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4809 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4810 Set pic_helper_needed to true. Don't call emit_pic_helper.
4811 (sparc_expand_prologue): Update load_pic_register call.
4812 (sparc_output_mi_thunk): Likewise.
4813 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4814 thunk if possible. Output CFI information as needed.
4816 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4817 Jack Howarth <howarth@bromo.med.uc.edu>
4820 * config/i386/i386.h: Fix ABI on darwin x86-32.
4822 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4824 * tree.h: Declare make_decl_rtl_for_debug.
4825 * varasm.c (make_decl_rtl_for_debug): New.
4826 * dwarf2out.c (rtl_for_decl_location): Call it.
4827 * cfgexpand.c (expand_debug_expr): Call it.
4829 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4832 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4836 * var-tracking.c (vt_init_cfa_base): Do nothing if
4837 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4839 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4842 * var-tracking.c (canonicalize_vars_star): New.
4843 (dataflow_post_merge_adjust): Use it.
4845 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4848 * var-tracking.c (non_suitable_const): New function.
4849 (add_uses): For DEBUG_INSNs with constants, don't record any
4850 value, instead just the constant value itself.
4851 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4852 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4853 (emit_notes_in_bb): Likewise.
4854 (emit_note_insn_var_location): For onepart variables if
4855 cur_loc is a VOIDmode constant, use DECL_MODE.
4857 2010-03-18 Martin Jambor <mjambor@suse.cz>
4860 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4861 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4862 all non-clones. Moved call redirection...
4863 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4864 (cgraph_materialize_all_clones): Dispose of all
4865 combined_args_to_skip bitmaps.
4866 (verify_cgraph_node): Do not check for edges pointing to wrong
4867 nodes in inline clones.
4868 * tree-inline.c (copy_bb): Call
4869 cgraph_redirect_edge_call_stmt_to_callee.
4870 * ipa.c (cgraph_remove_unreachable_nodes): Call
4871 cgraph_node_remove_callees even when there are used clones.
4873 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4875 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4877 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4880 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4883 2010-03-18 Michael Matz <matz@suse.de>
4886 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4887 into sqrt(x) if we need to preserve signed zeros.
4889 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4890 Eric Botcazou <ebotcazou@adacore.com>
4892 PR rtl-optimization/43360
4893 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4894 note if we don't know its invariant status.
4896 2010-03-18 Michael Matz <matz@suse.de>
4898 PR tree-optimization/43402
4899 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4900 PHI chains of ssa names registered for update.
4902 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4905 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4906 non-offsettable and pre_modify update addressing.
4907 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4908 and "2" alternatives "#".
4909 (*movdd_softfloat32): Make all alternatives "#";
4910 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4911 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4912 (*movdf_softfloat32): Make all alternatives "#";
4913 (movdi): Use the new DIFD mode iterator to create a common splitter
4914 for movdi, movdf and movdd patterns.
4916 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4918 * common.opt (dumpdir): Remove redundant tab.
4920 2010-03-17 Martin Jambor <mjambor@suse.cz>
4922 PR tree-optimization/43347
4923 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4924 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4926 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4928 PR rtl-optimization/42216
4929 * regrename.c (create_new_chain): New function, broken out from...
4930 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4931 appending a use to an empty chain.
4932 (build_def_use): Remove previous changes that convert OP_INOUT to
4933 OP_OUT operands; instead detect the case where an OP_INOUT operand
4934 uses a previously untracked register and create an empty chain for it.
4936 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4938 * doc/extend.texi (Function Attributes): Rewrite unfinished
4939 sentence in ms_abi documentation.
4941 2010-03-17 Alan Modra <amodra@gmail.com>
4943 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4944 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4945 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4946 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4948 2010-03-16 Richard Henderson <rth@redhat.com>
4951 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4952 (lower_try_finally): Save and restore eh_seq around the expansion
4955 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4957 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4958 statements before splitting block.
4960 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4962 * doc/sourcebuild.texi (Testsuites): Fix markup.
4963 Use pathnames relative to gcc/testsuite.
4964 (Test Directives): Move description of how timeout is determined.
4965 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4966 (C Tests): Correct gcc.misc-tests directory.
4967 Framework tests now live in gcc.test-framework.
4969 2010-03-16 Richard Guenther <rguenther@suse.de>
4972 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4973 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4975 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4976 Alexandre Oliva <aoliva@redhat.com>
4978 PR tree-optimization/42917
4979 * lambda-code.c (remove_iv): Skip debug statements.
4980 (lambda_loopnest_to_gcc_loopnest): Likewise.
4981 (not_interesting_stmt): Debug statements are not interesting.
4983 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4987 * cselib.c (cselib_preserve_constants,
4988 cfa_base_preserved_val): New static variables.
4989 (preserve_only_constants): New function.
4990 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4991 clear its REG_VALUES. If cselib_preserve_constants, don't
4992 empty the whole hash table, but preserve there VALUEs with constants,
4993 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4994 (cselib_preserve_cfa_base_value): New function.
4995 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4996 (cselib_init): Change argument to int bitfield. Set
4997 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4999 (cselib_finish): Clear cselib_preserve_constants and
5000 cfa_base_preserved_val.
5001 * cselib.h (enum cselib_record_what): New enum.
5002 (cselib_init): Change argument to int.
5003 (cselib_preserve_cfa_base_value): New prototype.
5004 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5005 * dse.c (dse_step1): Likewise.
5006 * cfgcleanup.c (thread_jump): Likewise.
5007 * sched-deps.c (sched_analyze): Likewise.
5008 * gcse.c (local_cprop_pass): Likewise.
5009 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5010 If FN is non-NULL, call the callback always and whenever it returns
5011 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5012 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5013 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5014 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5015 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5016 * var-tracking.c: Include recog.h.
5017 (bb_stack_adjust_offset): Remove.
5018 (vt_stack_adjustments): Don't call it, instead just gather the
5019 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5020 (adjust_stack_reference): Remove.
5021 (compute_cfa_pointer): New function.
5022 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5023 (struct adjust_mem_data): New type.
5024 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5026 (get_address_mode): New function.
5027 (replace_expr_with_values): Use it.
5028 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5029 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5030 (adjust_sets): Remove.
5031 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5032 Use get_address_mode.
5033 (get_adjusted_src): Remove.
5034 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5035 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5036 (add_with_sets): Don't call adjust_sets.
5037 (fp_setter, vt_init_cfa_base): New functions.
5038 (vt_initialize): Change return type to bool. Move most of pool etc.
5039 initialization to the beginning of the function from end. Pass
5040 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5041 If !frame_pointer_needed, call vt_stack_adjustment before mos
5042 vector is filled, call vt_init_cfa_base if argp/framep has been
5043 eliminated to sp. If frame_pointer_needed and argp/framep has
5044 been eliminated to hard frame pointer, set
5045 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5046 encountering fp setter in the prologue. For MO_ADJUST, call
5047 log_op_type before pusing the op into mos vector, not afterwards.
5048 Call adjust_insn before cselib_process_insn/add_with_sets,
5049 call cancel_changes (0) afterwards.
5050 (variable_tracking_main_1): Adjust for vt_initialize calling
5051 vt_stack_adjustments and returning whether it succeeded or not.
5053 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5055 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5058 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5060 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5062 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5063 drap_reg has not been set.
5065 2010-03-15 Michael Matz <matz@suse.de>
5068 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5069 use it to expand block copies.
5070 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5071 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5072 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5074 2010-03-15 Richard Guenther <rguenther@suse.de>
5076 PR tree-optimization/43367
5077 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5080 2010-03-15 Richard Guenther <rguenther@suse.de>
5082 PR tree-optimization/43317
5083 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5085 2010-03-15 Martin Jambor <mjambor@suse.cz>
5087 PR tree-optimization/43141
5088 * tree-sra.c (create_abstract_origin): New function.
5089 (modify_function): Call create_abstract_origin.
5091 2010-03-15 Chris Demetriou <cgd@google.com>
5093 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5096 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5099 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5100 call insert_out_of_ssa_copy for default definitions.
5102 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5104 * graphite-clast-to-gimple.c (my_long_long): Defined.
5105 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5106 * graphite-sese-to-poly.c (my_long_long): Defined.
5107 (scop_ivs_can_be_represented): Use it.
5109 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5111 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5112 graphite-max-bbs-per-function, and loop-block-tile-size.
5113 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5115 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5117 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5119 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5120 forward declaration.
5121 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5122 (add_upper_bounds_from_estimated_nit): New.
5123 (build_loop_iteration_domains): Use it.
5125 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5127 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5129 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5132 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5133 should be an INTEGER_CST. Also handle CASE_CONVERT.
5135 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5137 * graphite.c (graphite_initialize): To bound the number of bbs per
5138 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5139 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5140 * doc/invoke.texi: Document it.
5142 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5144 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5145 * graphite-sese-to-poly.h (build_poly_scop): Same.
5147 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5149 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5150 the number of parameters in the scop. Use as an upper bound
5151 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5152 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5153 * doc/invoke.texi: Document it.
5155 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5157 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5158 * doc/c-tree.texi: Remove.
5159 * doc/generic.texi: Merge c-tree.texi here.
5160 * doc/gccint.texi (Trees): Remove menu entry.
5161 (c-tree.texi): Remove @include.
5162 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5163 * doc/languages.texi (Reading RTL): Ditto.
5165 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5168 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5170 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5173 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5174 code added to work around reload clobbering CONST insns.
5176 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5178 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5179 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5180 (cselib_preserve_only_values): Remove retain argument, don't
5181 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5182 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5183 * var-tracking.c (micro_operation): Move insn field before union.
5184 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5185 (struct variable_tracking_info_def): Remove n_mos field, change
5186 mos into a vector of micro_operations.
5187 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5188 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5189 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5190 changing into a vector.
5191 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5192 come before all other uops generated by add_stores.
5193 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5195 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5196 a vector. Run just one pass over the bbs instead of separate counting
5197 and computation phase.
5198 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5201 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5202 into *nonlocalized_list vector.
5203 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5204 even if origin is non-NULL.
5205 (gen_variable_die): Likewise.
5206 (process_scope_var): Don't change origin.
5207 (gen_decl_die): Likewise.
5208 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5209 before adding new edges instead of after it, fix moving over
5212 2010-03-11 David S. Miller <davem@davemloft.net>
5214 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5216 * configure: Rebuild.
5218 2010-03-11 Martin Jambor <mjambor@suse.cz>
5220 PR tree-optimization/43257
5221 * tree.c (assign_assembler_name_if_neeeded): New function.
5222 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5224 * tree.h (assign_assembler_name_if_neeeded): Declare.
5225 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5226 the function if needed.
5228 2010-03-11 Chris Demetriou <cgd@google.com>
5230 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5231 include/stdint-gcc.h, and include/stdint.h world-readable.
5233 2010-03-11 Richard Guenther <rguenther@suse.de>
5235 PR tree-optimization/43255
5236 * tree-vrp.c (process_assert_insertions_for): Do not insert
5237 asserts for trivial conditions.
5239 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5241 PR tree-optimization/43280
5242 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5243 generation. Move calculation of size out of the if branch.
5244 (find_bswap): Modify compare number generation.
5246 2010-03-11 Richard Guenther <rguenther@suse.de>
5249 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5250 (input_gimple_stmt): Fixup handled component types during
5251 operand read. Also fix up decls in ADDR_EXPRs.
5253 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5255 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5256 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5258 2010-03-10 Jan Hubicka <jh@suse.cz>
5261 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5262 * varasm.c (get_variable_section): Don't do that here...
5263 (make_decl_rtl): ... and here.
5264 (do_assemble_alias): Produce decl RTL.
5265 (assemble_alias): Likewise.
5267 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5270 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5271 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5273 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5274 (based_loc_descr): Only express drap or vdrap regno based expressions
5275 using DW_OP_fbreg when not optimizing.
5276 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5277 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5278 REG_CFA_SET_VDRAP note.
5280 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5282 PR tree-optimization/43236
5283 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5284 error in calculation of base address in reverse iteration case.
5285 (generate_builtin): Take number of latch executions if the statement
5288 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5291 * tree-eh.c: Include pointer-set.h.
5292 (lower_eh_dispatch): Filter out duplicate case labels and
5293 remove the unneeded edge when the label is unused. Return
5294 true when some edges are removed.
5295 (execute_lower_eh_dispatch): When any lowering resulted in
5296 removing an edge, also delete unreachable blocks.
5298 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5301 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5302 UNSPEC_MACHOPIC_OFFSET.
5304 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5307 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5308 (m68k_delegitimize_address): New function.
5310 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5313 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5316 * var-tracking.c (adjust_sets): New function.
5317 (count_with_sets, add_with_sets): Use it.
5318 (get_adjusted_src): New inline function.
5319 (add_stores): Use it.
5322 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5323 call cselib_dummy_expand_value_rtx_cb instead of
5324 cselib_expand_value_rtx_cb.
5327 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5328 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5329 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5330 and .cfi_endproc around the pic thunks.
5331 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5332 all queued unwind info register saves are saved before the call.
5333 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5334 considered as sp-=4 for unwind info and the pop as sp+=4 which
5335 also clobbers dest, but doesn't actually restore it.
5338 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5339 RTX_FRAME_RELATED_P.
5341 2010-03-09 Jie Zhang <jie@codesourcery.com>
5343 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5344 whitespaces in output template.
5346 2010-03-09 Jie Zhang <jie@codesourcery.com>
5348 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5351 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5353 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5354 builtins.exp in a separate job.
5356 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5358 * graphite-sese-to-poly.c (add_param_constraints): Use
5359 lower_bound_in_type and upper_bound_in_type.
5361 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5363 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5364 instead of unsigned_type_node.
5366 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5367 Reza Yazdani <reza.yazdani@amd.com>
5370 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5371 on pointer type parameters.
5373 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5377 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5378 handle conversions from pointer to integers.
5379 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5380 induction variable, to be able to work with code generated by CLooG.
5381 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5382 (build_poly_scop): Bail out if we cannot codegen a loop.
5384 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5386 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5387 code generation with gloog_error.
5389 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5391 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5392 Call fold_convert on all the returned values.
5393 (expand_scalar_variables_expr): Pass to
5394 expand_scalar_variables_ssa_name the type of the resulting expression.
5396 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5398 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5399 ppl_min_for_le_pointset.
5400 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5401 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5403 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5405 * graphite-dependences.c (map_into_dep_poly): Removed.
5406 (dependence_polyhedron_1): Use combine_context_id_scat.
5408 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5410 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5411 (struct poly_bb): Same.
5412 (combine_context_id_scat): New.
5414 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5417 * sese.c (name_defined_in_loop_p): Return false for default
5420 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5422 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5423 and clean up the logic.
5425 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5427 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5430 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5432 * var-tracking.c (remove_cselib_value_chains): Define only for
5434 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5435 delete_slot_part, emit_notes_for_differences_1): Don't call
5436 remove_cselib_value_chains here.
5437 (set_slot_part, emit_notes_for_differences_2): Don't call
5438 add_cselib_value_chains here.
5439 (preserved_values): New vector.
5440 (preserve_value): New function.
5441 (add_uses, add_stores, vt_add_function_parameters): Use it
5442 instead of cselib_preserve_value.
5443 (changed_values_stack): New vector.
5444 (check_changed_vars_0): New function.
5445 (check_changed_vars_1, check_changed_vars_2): Use it.
5446 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5447 changed_values_stack VALUEs.
5448 (vt_emit_notes): For all preserved_values call
5449 add_cselib_value_chains. If ENABLE_CHECKING call
5450 remove_cselib_value_chains before verifying value_chains is empty.
5451 Initialize and free changed_values_stack.
5452 (vt_initialize): Initialize preserved_values.
5453 (vt_finalize): Free preserved_values.
5455 2010-03-08 Richard Guenther <rguenther@suse.de>
5457 PR tree-optimization/43269
5458 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5461 2010-03-08 Martin Jambor <mjambor@suse.cz>
5463 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5464 (ipa_is_param_called): Removed.
5465 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5466 (ipa_print_node_params): Do not print the called flag.
5467 (ipa_write_node_info): Do not stream the called flag.
5468 (ipa_read_node_info): Likewise.
5470 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5473 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5474 * cselib.c (struct expand_value_data): Add dummy field.
5475 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5477 (cselib_dummy_expand_value_rtx_cb): New function.
5478 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5480 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5481 * var-tracking.c: Include pointer-set.h.
5482 (variable): Change n_var_parts to char from int. Add
5483 cur_loc_changed and in_changed_variables fields.
5484 (variable_canonicalize): Remove.
5485 (shared_var_p): New inline function.
5486 (unshare_variable): Maintain cur_loc_changed and
5487 in_changed_variables fields. If var was in changed_variables,
5488 replace it there with new_var. Just copy cur_loc instead of
5489 resetting it to something else.
5490 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5491 (dataflow_set_union): Don't call variable_canonicalize.
5492 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5493 of their DEBUG_EXPR_TREE_DECLs.
5494 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5495 and in_changed_variables and cur_loc_changed is false.
5496 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5497 and cur_loc_changed. Don't update cur_loc here.
5498 (variable_merge_over_src): Don't call variable_canonicalize.
5499 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5500 removing loc that is equal to cur_loc, clear cur_loc,
5501 set cur_loc_changed and ensure variable_was_changed is called.
5502 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5503 compare pointers in cur_loc check, if it is equal to loc,
5504 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5505 (variable_different_p): Remove compare_current_location argument,
5506 don't compare cur_loc.
5507 (dataflow_set_different_1): Adjust variable_different_p caller.
5508 (variable_was_changed): If dv had some var in changed_variables
5509 already, reset in_changed_variables flag for it and propagate
5510 cur_loc_changed over to the new variable. On empty var
5511 always set cur_loc_changed. Set in_changed_variables on whatever
5512 var is added to changed_variables.
5513 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5514 Use shared_var_p. When removing loc that is equal to cur_loc,
5515 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5516 end, don't set it to something else, just call variable_was_changed.
5517 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5518 loc being removed, clear cur_loc and set cur_loc_changed.
5519 Set cur_loc_changed if all locations have been removed.
5520 (struct expand_loc_callback_data): New type.
5521 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5522 allocated. Always create SUBREGs if simplify_subreg failed.
5523 Prefer to use cur_loc, when that fails and still in
5524 changed_variables (and seen first time) recompute it. Set
5525 cur_loc_changed of variables which had to change cur_loc and
5526 compute elcd->cur_loc_changed if any of the subexpressions used
5527 had to change cur_loc.
5528 (vt_expand_loc): Adjust to pass arguments in
5529 expand_loc_callback_data structure.
5530 (vt_expand_loc_dummy): New function.
5531 (emitted_notes): New variable.
5532 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5533 that weren't used for any other decl in current
5534 emit_notes_for_changes call call vt_expand_loc_dummy to update
5535 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5536 first loc_chain location if NULL before. Always use just
5537 cur_loc instead of first loc_chain location. When cur_loc_changed
5538 is false, when not --enable-checking=rtl just don't emit any note.
5539 When rtl checking, compute the note and assert it is the same
5540 as previous note. Clear cur_loc_changed and in_changed_variables
5541 at the end before removing from changed_variables.
5542 (check_changed_vars_3): New function.
5543 (emit_notes_for_changes): Traverse changed_vars to call
5544 check_changed_vars_3 on each changed var.
5545 (emit_notes_for_differences_1): Clear cur_loc_changed and
5546 in_changed_variables. Recompute cur_loc of new_var.
5547 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5548 (vt_emit_notes): Initialize and destroy emitted_notes.
5550 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5552 PR rtl-optimization/42220
5553 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5554 Use verify_reg_tracked to determine if we should use OP_OUT rather
5556 (build_def_use): If we see an in-out operand for a register that we
5557 know nothing about, treat is an output if possible, fail the block if
5560 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5563 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5566 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5569 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5570 uses of relevant DEFs that are dead outside the loop too.
5572 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5574 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5576 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5578 * var-tracking.c (values_to_unmark): New variable.
5579 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5580 values_to_unmark vector. Moved body to...
5581 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5582 instead queue it into values_to_unmark vector.
5583 (vt_find_locations): Free values_to_unmark vector.
5585 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5587 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5588 (site.exp): Export them when plugins are enabled.
5590 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5593 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5595 (chrec_fold_multiply): Same.
5597 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5600 * c-decl.c (build_compound_literal): Return early if init is
5603 2010-03-04 Martin Jambor <mjambor@suse.cz>
5605 PR tree-optimization/43164
5606 PR tree-optimization/43191
5607 * tree-sra.c (type_consists_of_records_p): Reject records with
5608 zero-size bit-fields at the end.
5610 2010-03-04 Mike Stump <mikestump@comcast.net>
5612 * Makefile.in (TAGS): Remove *.y.
5614 2010-03-04 Richard Guenther <rguenther@suse.de>
5616 PR tree-optimization/40761
5617 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5619 (my_rev_post_order_compute): New function.
5620 (init_pre): Call it.
5622 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5625 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5626 decrease the cost of an IV candidate when the cost is infinite.
5628 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5630 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5631 Use '3DNow!' for the extension of that name, ensure normal space
5633 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5635 2010-03-03 Jeff Law <law@redhat.com>
5637 * PR middle-end/32693
5638 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5639 than gen_rtx_SUBREG.
5640 (extract_bit_field_1): Likewise.
5642 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5644 * doc/sourcebuild.texi (Test directives): Document that arguments
5645 include-opts and exclude-opts are now optional for dg-skip-if,
5646 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5648 2010-03-03 Jason Merrill <jason@redhat.com>
5651 * cgraph.h (varpool_node): Add extra_name field.
5652 * varpool.c (varpool_extra_name_alias): New.
5653 (varpool_assemble_decl): Emit extra name aliases.
5654 (varpool_mark_needed_node): Look past an extra name alias.
5655 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5656 * lto-streamer-in.c (lto_input_tree): Read it.
5657 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5659 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5661 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5662 (sparc*-*-solaris2*): ...this.
5664 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5667 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5668 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5669 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5670 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5673 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5674 fallthrough to default handling, just with want_address 0 instead of 2.
5675 For single element lists, add_AT_loc directly, otherwise create an
5676 artificial variable DIE and stick location list to it.
5679 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5680 (VAL_EXPR_HAS_REVERSE): Define.
5681 (reverse_op): New function.
5682 (add_stores): For reversible operations add an extra MO_VAL_USE.
5684 2010-03-02 Jason Merrill <jason@redhat.com>
5686 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5688 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5690 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5691 (sparc64-*-linux*): Likewise.
5692 (sparc64-*-solaris2*): Include assembler files before linker ones.
5693 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5694 * config/sparc/gas.h: Delete.
5695 * config/sparc/sol2-64.h: Add copyright notice.
5696 * config/sparc/sol2-gas-bi.h: Likewise.
5697 * config/sparc/sol2-gld.h: Likewise.
5698 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5699 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5700 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5701 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5702 (sparc_elf_asm_named_section): Rename into...
5703 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5705 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5707 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5709 2010-03-02 Jeff Law <law@redhat.com>
5712 * reload1.c (rtx_p, substitute_stack): Declare.
5713 (substitute): Record addresses of changed rtxs.
5714 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5715 Restore the original rtx when complete.
5716 (reload): Free subsitute_stack when complete.
5718 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5720 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5721 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5723 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5724 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5725 Torture Tests): Change from subsection to section.
5727 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5728 Steven Bosscher <steven@gcc.gnu.org>
5730 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5733 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5736 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5737 the assignment from the new induction variable to the assignment
5738 of the value from the original loop PHI function.
5740 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5741 Daniel Jacobowitz <dan@codesourcery.com>
5743 * doc/sourcebuild.texi (Test directives): Clarify options to
5746 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5748 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5749 Disable cfi directives unless GCC and gas agree on using read-only
5750 .eh_frame sections for 64-bit.
5751 * configure: Regenerate.
5753 2010-03-01 Richard Guenther <rguenther@suse.de>
5755 PR tree-optimization/43220
5756 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5757 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5759 2010-03-01 Richard Guenther <rguenther@suse.de>
5760 Martin Jambor <mjambor@suse.cz>
5763 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5764 gimplified parameters.
5766 2010-03-01 Christian Bruel <christian.bruel@st.com>
5768 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5770 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5772 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5774 2010-03-01 Richard Guenther <rguenther@suse.de>
5777 * expr.c (expand_assignment): Use the alias-oracle to tell
5778 if the rhs aliases the result decl.
5780 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5783 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5784 to sol_gt_pch_get_address.
5785 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5786 64-bit, SPARC and x86.
5787 (sol_gt_pch_get_address): New function.
5789 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5791 * toplev.h (inform_n, error_n): Declare.
5792 * diagnostic.c (inform_n, error_n): New function.
5794 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5796 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5797 has no rtl yet when processing local_decls, queue it and recheck
5798 if deferred stack allocation hasn't assigned it rtl.
5800 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5802 * config/sh/sh.c (unspec_bbr_uid): New.
5803 (gen_block_redirect): Use it instead of INSN_UID.
5804 (gen_far_branch): Likewise.
5806 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5808 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5809 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5811 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5813 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5814 (Warning Options): -Wno-conversion-null is valid for
5815 Objective-C++ as well.
5816 * doc/tm.texi (Named Address Spaces): Likewise.
5817 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5818 * doc/tree-ssa.texi (Tree SSA): Likewise.
5820 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5823 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5824 by default. Don't set the default arch for
5825 i[34567]86-*-darwin*|x86_64-*-darwin*.
5827 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5830 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5831 default. Set the default 32bit/64bit archs with $with_arch
5832 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5834 2010-02-27 Richard Guenther <rguenther@suse.de>
5836 PR tree-optimization/43186
5837 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5838 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5839 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5840 unroller iterations.
5842 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5844 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5845 required and i[34567]86-*-* targets don't support 64bit ISA.
5847 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5850 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5853 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5855 * config.gcc: Set the default arch at least to Prescott for
5856 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5857 if SSE math is enabled.
5859 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5861 * diagnostic.c (diagnostic_initialize): Update.
5862 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5864 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5865 (diagnostic_inhibit_notes): New.
5866 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5868 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5871 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5872 * doc/standards.texi: Likewise.
5873 * doc/extend.texi: Likewise.
5874 * doc/trouble.texi: Likewise.
5875 * doc/cppopts.texi: Likewise.
5876 * doc/install.texi: Likewise.
5877 * c.opt (std=c90,std=gnu90): New options.
5878 * c-opts.c (c_common_handle_option): Handle them.
5880 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5883 * c-decl.c (undeclared_variable): Use an informative note.
5885 2010-02-26 Richard Guenther <rguenther@suse.de>
5887 PR tree-optimization/43186
5888 * gimple.h (gimple_fold): Remove.
5889 * gimple.c (gimple_fold): Remove. Inline into single user ...
5890 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5891 Try harder for conditions.
5893 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5896 * function.c (used_types_insert): Don't skip through named pointer
5897 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5898 and it is different from the main variant's type.
5900 2010-02-26 Nick Clifton <nickc@redhat.com>
5902 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5904 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5906 * config.gcc: Support --with-fpmath=sse for x86.
5908 * config/i386/ssemath.h: New.
5910 * doc/install.texi (--with-fpmath=sse): Documented.
5912 2010-02-26 Richard Guenther <rguenther@suse.de>
5914 PR tree-optimization/43188
5915 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5916 vector types of over-aligned element type.
5918 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5921 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5922 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5924 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5926 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5928 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5930 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5931 * var-tracking.c: Include diagnostic.h.
5932 (debug_dv): New function.
5933 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5936 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5937 (add_value_chain, add_value_chains, remove_value_chain,
5938 remove_value_chains): Handle DEBUG_EXPRs.
5939 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5942 * regcprop.c (struct queued_debug_insn_change): New type.
5943 (struct value_data_entry): Add debug_insn_changes field.
5944 (struct value_data): Add n_debug_insn_changes field.
5945 (debug_insn_changes_pool): New variable.
5946 (free_debug_insn_changes, apply_debug_insn_changes,
5947 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5948 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5949 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5951 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5953 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5954 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5955 changes, call cprop_find_used_regs via note_stores.
5956 (copyprop_hardreg_forward): When copying vd from predecessor
5957 which has any queued DEBUG_INSN changes, make sure the pointers are
5958 cleared. At the end call df_analyze and then if there are any
5959 DEBUG_INSN changes queued at the end of some basic block for still
5960 live registers, apply them.
5961 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5963 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5965 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5968 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5970 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5971 targets. Set the default with_cpu/with_arch from arch/cpu.
5972 Allow x86-64 and native for with_cpu/with_arch.
5974 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5976 * ebitmap.c: Change calls to verify_popcount with calls to
5977 sbitmap_verify_popcount.
5978 (ebitmap_clear_bit): Fixed map->cacheindex test and
5979 map>cache update when bit clearing results in an empty
5982 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5985 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5986 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5987 and support both V2DF and V2DI modes.
5988 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5989 support both V2DF and V2DI modes.
5990 (general): Delete trailing whitespace from a few patterns.
5992 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5993 V2DF/V2DI interleave high/low builtins.
5995 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5998 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5999 interleave high/low functions.
6001 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6003 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6004 #pragma extern_prefix.
6006 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6009 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6010 BLKmode, assert op0 is a MEM and just adjust its mode.
6013 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6014 if bitpos isn't multiple of mode's bitsize.
6016 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6018 * c.opt (-ftemplate-depth=): New.
6019 (-ftemplate-depth-): Deprecate.
6020 * optc-gen.awk: Handle -ftemplate-depth=.
6021 * opth-gen.awk: Likewise.
6022 * c-opts.c (c_common_handle_option): Likewise.
6023 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6025 2010-02-24 Jason Merrill <jason@redhat.com>
6027 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6029 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6031 * cfg.c (alloc_aux_for_block): Remove inline.
6032 (alloc_aux_for_edge): Likewise.
6034 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6036 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6038 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6040 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6041 * config/i386/sol2-gas.h: New file.
6042 * config.gcc (i[34567]86-*-solaris2*): Use it.
6044 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6047 * c-typeck.c (ep_convert_and_check): New.
6048 (build_conditional_expr): Use it.
6049 (build_binary_op): Likewise.
6051 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6053 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6056 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6057 bounds even for -O+.
6058 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6059 expr needs to have DECL_NAME set.
6061 2010-02-24 Nick Clifton <nickc@redhat.com>
6063 * config/mep/mep.c: Include gimple.h.
6064 (mep_function_uses_sp): Delete unused function.
6065 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6066 parameters. Use unsigned integers to count args. Return a
6067 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6069 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6072 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6073 greater or equal to nelt instead of 2 * nelt.
6074 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6077 2010-02-23 Jason Merrill <jason@redhat.com>
6080 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6081 in cfun->local_decls even if they have register types.
6084 * stor-layout.c (place_field): Don't warn about unnecessary
6085 DECL_PACKED if the type is packed.
6087 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6090 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6091 GOTOFF relocs, even when the base reg isn't pic pointer.
6093 2010-02-23 Michael Matz <matz@suse.de>
6096 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6097 (expand_gimple_basic_block): Generate and use debug temps if there
6098 are debug uses left after the last real use of TERed ssa names.
6099 Unlink debug immediate uses when they are expanded.
6101 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6104 * config/i386/i386.c (override_options): Reorganise to provide
6105 better error messages.
6107 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6110 * graphite-scop-detection.c (create_single_exit_edge): Move
6111 the call to find_single_exit_edge to....
6112 (create_sese_edges): ...here. Don't handle multiple edges
6113 exiting the function.
6114 (build_graphite_scops): Don't handle multiple edges
6115 exiting the function.
6117 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6120 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6121 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6123 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6126 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6128 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6131 * c-typeck.c (convert_arguments): Print declaration location.
6132 * c-common.c (validate_nargs): Rename as
6133 builtin_function_validate_nargs.
6134 (check_builtin_function_arguments): Update.
6136 2010-02-22 Richard Guenther <rguenther@suse.de>
6139 * tree-inline.c (declare_return_variable): Use the type of
6140 the call stmt lhs if available.
6142 2010-02-22 Duncan Sands <baldrick@free.fr>
6144 * passes.c (register_pass): Always consider all pass lists when
6145 ref_pass_instance_number is zero.
6147 2010-02-22 Richard Guenther <rguenther@suse.de>
6149 PR tree-optimization/42749
6150 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6151 parameter. Do arithmetic in the original type.
6152 (update_accumulator_with_ops): Likewise.
6153 (adjust_accumulator_values): Adjust.
6155 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6157 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6158 (QI to BLKmode splitter): New splitter.
6160 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6162 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6163 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6165 2010-02-22 Richard Guenther <rguenther@suse.de>
6167 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6169 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6171 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6172 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6173 ($(T)crti.o, $(T)crtn.o): Remove rules.
6175 2010-02-21 Tobias Burnus <burnus@net-b.de>
6178 * doc/invoke.texi (-fassociative-math): Document that this
6179 option is automatically enabled for Fortran.
6181 2010-02-20 David S. Miller <davem@davemloft.net>
6183 * configure.ac: Test if linker and assembler properly support
6184 GOTDATA_OP relocations.
6185 * configure: Rebuild.
6186 * config.in: Likewise.
6187 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6188 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6189 (movsi_high_pic): Likewise.
6190 (movdi_lo_sum_pic): Likewise.
6191 (movdi_high_pic): Likewise.
6192 (movsi_pic_gotdata_op): New pattern.
6193 (movdi_pic_gotdata_op): Likewise.
6194 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6195 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6197 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6200 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6201 attribute to ssemul.
6202 (xop_mulv2div2di3_high): Ditto.
6204 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6207 * c.opt (Wconversion-null): New option.
6208 * doc/invoke.texi (Wconversion-null): Document.
6210 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6212 * common.opt (Wlarger-than-): Add Undocumented.
6214 2010-02-19 Mike Stump <mikestump@comcast.net>
6216 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6218 2010-02-19 Jason Merrill <jason@redhat.com>
6221 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6222 * configure: Likewise.
6224 2010-02-20 Alan Modra <amodra@gmail.com>
6227 * cgraph.h (cgraph_make_decl_local): Declare.
6228 * cgraph.c (cgraph_make_decl_local): New function.
6229 (cgraph_make_node_local): Use it.
6230 * cgraphunit.c (cgraph_function_versioning): Likewise.
6231 * ipa.c (function_and_variable_visibility): Likewise.
6233 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6236 * except.c (sjlj_emit_function_enter): Don't call
6237 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6239 * rtl.h (add_reg_br_prob_note): Remove prototype.
6241 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6244 * c-common.c (conversion_warning): Remove widening conversions
6245 before checking the conversion of integers to reals.
6247 2010-02-19 Mike Stump <mikestump@comcast.net>
6250 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6253 * cgraphunit.c (process_function_and_variable_attributes): Check
6254 DECL_PRESERVE_P instead of looking up attribute "used".
6255 * ipa-pure-const.c (check_decl): Likewise.
6256 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6257 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6258 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6259 instead of attribute "used".
6260 * config/sol2-c.c (solaris_pragma_init): Likewise.
6261 (solaris_pragma_fini): Likewise.
6263 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6265 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6266 Use XCNEW instead of xcalloc.
6267 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6268 XNEW instead of xmalloc.
6269 (get_fields): Use XNEWVEC instead of xmalloc.
6272 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6273 populate vars array.
6274 (create_new_general_access): For debug stmts just reset value.
6275 (get_stmt_accesses): For accesses within debug stmts just record them
6276 using add_access_to_acc_sites instead of preventing the peeling or
6277 counting them as accesses.
6280 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6282 2010-02-19 Richard Guenther <rguenther@suse.de>
6284 PR tree-optimization/42916
6285 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6288 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6290 * configure.ac: Replace all uses of changequote in macro arguments
6291 with proper quoting.
6293 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6296 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6298 2010-02-19 Richard Guenther <rguenther@suse.de>
6300 PR tree-optimization/42944
6301 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6302 test for aliasing with errno.
6304 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6307 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6308 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6309 * dojump.c: Include output.h.
6310 (inv): New inline function.
6311 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6312 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6313 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6314 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6315 argument, pass it down to other calls.
6316 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6317 add REG_BR_PROB note to the conditional jump.
6318 * cfgexpand.c (add_reg_br_prob_note): Removed.
6319 (expand_gimple_cond): Don't call it, add the probability
6320 as last argument to jumpif_1/jumpifnot_1.
6321 * Makefile.in (dojump.o): Depend on output.h.
6322 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6324 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6325 * stmt.c (do_jump_if_equal): Likewise.
6326 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6327 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6328 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6330 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6331 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6332 jumpifnot_1 callers.
6333 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6335 (store_expr): Adjust jumpifnot caller.
6336 (store_constructor): Adjust jumpif caller.
6339 * gimplify.c (gimple_boolify): For __builtin_expect call
6340 gimple_boolify also on its first argument.
6342 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6344 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6346 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6347 * configure: Regenerated.
6349 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6351 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6352 lang_hooks.types_compatible_p instead of comptypes.
6354 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6356 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6357 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6358 if __prefer_thumb__ is defined.
6360 2010-02-18 Martin Jambor <mjambor@suse.cz>
6362 PR tree-optimization/43066
6363 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6364 array with zero-sized element type.
6366 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6368 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6369 rtx, allocate struct var_loc_node here and return it to the
6370 caller, and only if it is actually needed.
6371 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6372 move it earlier and return immediately if it returns NULL.
6374 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6376 * config/sparc/gas.h: New file. Restore
6377 TARGET_ASM_NAMED_SECTION to its ELF default.
6378 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6380 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6381 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6382 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6383 after sparc/sysv4.h.
6385 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6387 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6389 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6391 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6392 patterns from predicated pattern.
6394 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6397 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6398 for insn mnemonic suffix.
6400 2010-02-17 Richard Guenther <rguenther@suse.de>
6402 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6405 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6408 * caller-save.c (save_call_clobbered_regs): If BB ends with
6409 a DEBUG_INSN, move any notes in between last real insn and the last
6410 DEBUG_INSN after the last DEBUG_INSN.
6412 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6414 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6415 Fix return type. Fix argument type. Explain meaning of return value.
6417 2010-02-16 Richard Guenther <rguenther@suse.de>
6419 PR tree-optimization/41043
6420 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6421 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6423 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6425 2010-02-16 Ira Rosen <irar@il.ibm.com>
6427 PR tree-optimization/43074
6428 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6429 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6430 vectorizable cycles in hybrid SLP check.
6431 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6433 2010-02-16 Richard Guenther <rguenther@suse.de>
6435 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6436 (true_dependence): If memrefs_conflict_p computes must-alias
6437 trust it. Move TBAA check after offset-based disambiguation.
6438 (canon_true_dependence): Likewise.
6440 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6442 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6443 * doc/invoke.texi: Document it.
6444 * var-tracking.c: Include toplev.h and params.h.
6445 (vt_find_locations): Return bool indicating success. Compute
6446 hash sizes unconditionally. Check new parameter, report.
6447 (variable_tracking_main_1): Check vt_find_locations results and
6448 retry. Renamed from...
6449 (variable_tracking_main): ... this. New wrapper to preserve
6450 flag_var_tracking_assignments.
6451 * Makefile.in (var-tracking.o): Adjust dependencies.
6453 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6454 Jakub Jelinek <jakub@redhat.com>
6457 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6458 if weak_import attribute is present.
6459 * config/darwin.c (machopic_select_section): Likewise.
6461 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6463 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6464 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6465 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6466 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6468 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6471 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6474 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6475 Rewrite text to refer to the names.
6477 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6479 * config/i386/i386-builtin-types.def
6480 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6481 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6482 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6483 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6484 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6485 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6486 IX86_BUILTIN_VPERMIL2PS256.
6487 (MULTI_ARG_4_DF2_DI_I): Defined.
6488 (MULTI_ARG_4_DF2_DI_I1): Defined.
6489 (MULTI_ARG_4_SF2_SI_I): Defined.
6490 (MULTI_ARG_4_SF2_SI_I1): Defined.
6491 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6492 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6493 __builtin_ia32_vpermil2ps256.
6494 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6495 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6496 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6497 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6498 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6499 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6500 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6501 CODE_FOR_xop_vpermil2v8sf3.
6502 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6503 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6504 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6505 (_mm256_permute2_pd): New.
6506 (_mm_permute2_ps): New.
6507 (_mm256_permute2_ps): New.
6509 2010-02-15 Nick Clifton <nickc@redhat.com>
6511 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6512 boolean parameters. Use emit_jump_insn when emitting a pop
6513 instruction containing a return insn.
6514 (push): Use 'true' rather than '1' as second parameter to F.
6515 (h8300_expand_prologue): Likewise.
6516 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6517 (h8300_expand_epilogue): Likewise.
6519 2010-02-15 Richard Guenther <rguenther@suse.de>
6522 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6525 2010-02-15 Nick Clifton <nickc@redhat.com>
6527 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6530 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6532 * intl.c (fake_ngettext): New function.
6533 * intl.h (fake_ngettext): Declare.
6534 (ngettext): Define macro.
6535 * collect2.c (notice_translated): New function.
6536 (main): Use notice_translated and ngettext.
6537 * collect2.h (notice_translated): Declare.
6539 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6541 * reorg.c (delete_computation): Comment fixes.
6542 * caller-save.c (setup_save_areas): Idem.
6543 * sel-sched-dump.c (dump_lv_set): Idem.
6546 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6548 * config/s390/s390.c (s390_sched_init): New function.
6549 (TARGET_SCHED_INIT): Target hook defined.
6551 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6552 Jack Howarth <howarth@bromo.med.uc.edu>
6553 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6556 Partial revert of unintended change in fix for PR41605.
6557 * config/darwin.h: Fix typo.
6558 * config/darwin9.h: Same.
6560 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6562 * c-pch.c (pch_init): Clear v.
6564 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6567 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6568 graphite_can_represent_init for MULT_EXPR.
6570 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6574 * graphite-sese-to-poly.c (remove_phi): New.
6575 (translate_scalar_reduction_to_array): Call remove_phi.
6577 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6580 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6581 * graphite-clast-to-gimple.h (gloog): Update declaration.
6582 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6583 * graphite-poly.h (struct poly_bb): Add missing comments.
6584 (struct scop): Add poly_scop_p field.
6586 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6587 * graphite.c (graphite_transform_loops): Build the polyhedral
6588 representation for each scop before code generation.
6589 * sese.c (rename_variables_in_operand): Removed.
6590 (rename_variables_in_expr): Return the renamed expression.
6591 (rename_sese_parameters): New.
6592 * sese.h (rename_sese_parameters): Declared.
6594 2010-02-11 Richard Guenther <rguenther@suse.de>
6596 PR tree-optimization/42998
6597 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6598 POINTER_PLUS_EXPR properly.
6600 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6601 Changpeng Fang <changpeng.fang@amd.com>
6604 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6605 the cost of an IV candidate when the IV is used in a test against zero.
6607 * gcc.dg/tree-ssa/ivopts-3.c: New.
6609 2010-02-11 Richard Guenther <rguenther@suse.de>
6612 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6613 pointer-vs-decl case by swapping refs. Handle some cases
6614 of pointer-vs-decl disambiguations more conservatively.
6615 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6616 to false after expanding.
6618 2010-02-11 Richard Guenther <rguenther@suse.de>
6621 * gcc.c (process_command): Handle LTO file@offset case more
6624 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6626 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6627 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6629 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6631 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6632 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6633 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6634 Optimize eq/ne comparisons when both arguments are known to be
6636 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6637 Don't mask operands unnecessarily if they are known to be already
6640 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6642 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6645 2010-02-10 Richard Guenther <rguenther@suse.de>
6647 PR tree-optimization/43017
6648 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6649 for wrapping signed arithmetic.
6651 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6654 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6655 if no debug info should be emitted for it.
6657 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6659 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6660 note when flag_exceptions is set.
6662 2010-02-10 Duncan Sands <baldrick@free.fr>
6664 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6666 2010-02-10 Richard Guenther <rguenther@suse.de>
6669 * tree.c (get_unwidened): Handle constants.
6670 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6672 2010-02-10 Martin Jambor <mjambor@suse.cz>
6675 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6676 check for variable argument counts independently.
6678 2010-02-10 Christian Bruel <christian.bruel@st.com>
6681 * config/sh/sh.c (find_barrier): Increase length for non delayed
6682 conditional branches.
6684 2010-02-10 Christian Bruel <christian.bruel@st.com>
6686 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6688 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6690 * builtins.c (set_builtin_user_assembler_name): Also handle
6691 ffs if int is smaller than word.
6693 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6696 * ira-conflicts.c (get_dup): Remove.
6697 (process_reg_shuffles): Add new parameter. Use it as an
6698 additional guard for copy generation.
6699 (add_insn_allocno_copies): Rewrite.
6701 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6703 * common.opt (fsched2-use-traces): Preserved for backward
6705 * doc/invoke.texi: Remove the documentation about option
6706 -fsched2-use-traces.
6707 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6708 flag_sched2_use_traces.
6709 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6710 the backward compatibility flag section.
6712 2010-02-09 Richard Guenther <rguenther@suse.de>
6714 PR tree-optimization/43008
6715 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6716 make HEAP variables initialized from global memory if they
6717 are not known builtin functions.
6718 (find_func_aliases): Adjust.
6720 2010-02-09 Richard Guenther <rguenther@suse.de>
6722 PR tree-optimization/43000
6723 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6724 arithmetic manually.
6726 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6728 PR tree-optimization/42931
6729 * tree-loop-linear.c (try_interchange_loops): Don't call
6730 double_int_mul if estimated_loop_iterations failed.
6732 2010-02-08 Martin Jambor <mjambor@suse.cz>
6735 * tree-sra.c (build_accesses_from_assign): Do not mark in
6736 should_scalarize_away_bitmap if stmt has volatile ops.
6737 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6740 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6742 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6744 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6746 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6749 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6752 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6754 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6757 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6758 to unknown_dependence.
6759 (graphite_legal_transform_dr): Handle the unknown_dependence.
6760 (graphite_carried_dependence_level_k): Same.
6762 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6764 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6766 2010-02-07 Richard Guenther <rguenther@suse.de>
6769 * expr.c (get_inner_reference): Always initialize *pbitsize.
6771 2010-02-07 Richard Guenther <rguenther@suse.de>
6774 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6775 new ARRAY_REFs on variable size element or minimal index arrays.
6777 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6778 gimple_fold_indirect_ref.
6780 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6783 * arm.c (arm_override_options): Just return if the user has specified
6784 an invalid fpu name.
6786 2010-02-03 Jason Merrill <jason@redhat.com>
6789 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6790 i386_pe_maybe_record_exported_symbol.
6792 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6795 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6796 (pa_delegitimize_address): New function.
6798 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6800 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6801 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6803 2010-02-05 Richard Guenther <rguenther@suse.de>
6806 * lto-streamer-in.c (get_resolution): Deal with references
6807 to undefined functions.
6809 2010-02-05 Richard Guenther <rguenther@suse.de>
6811 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6812 (fold_const_aggregate_ref): Likewise.
6813 (ccp_fold_stmt): Substitute loads.
6814 (maybe_fold_reference): Verify types before substituting.
6816 (fold_gimple_assign): Unshare properly.
6817 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6819 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6821 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6822 for rs6000_gen_cell_microcode.
6824 2010-02-04 Richard Guenther <rguenther@suse.de>
6826 PR rtl-optimization/42952
6827 * dse.c (const_or_frame_p): Remove MEM handling.
6829 2010-02-04 Nick Clifton <nickc@redhat.com>
6831 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6832 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6833 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6834 (mn10300_asm_output_mi_thunk): New function.
6835 (mn10300_can_output_mu_thunk): New function.
6836 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6837 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6838 (FUNCTION_ARG): Delete incorrect comment.
6840 2010-02-03 Jason Merrill <jason@redhat.com>
6843 * fold-const.c (operand_equal_p): Handle erroneous types.
6845 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6847 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6849 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6851 PR rtl-optimization/42941
6852 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6855 2010-02-03 Jason Merrill <jason@redhat.com>
6858 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6860 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6863 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6864 (cselib_reset_table): Renamed from...
6865 (cselib_reset_table_with_next_value): ... this.
6866 (cselib_get_next_uid): Renamed from...
6867 (cselib_get_next_unknown_value): ... this.
6868 * cselib.c (next_uid): Renamed from...
6869 (next_unknown_value): ... this.
6870 (cselib_clear_table): Adjust.
6871 (cselib_reset_table): Adjust. Renamed from...
6872 (cselib_reset_table_with_next_value): ... this.
6873 (cselib_get_next_uid): Adjust. Renamed from...
6874 (cselib_get_next_unknown_value): ... this.
6875 (get_value_hash): Use hash.
6876 (cselib_hash_rtx): Likewise.
6877 (new_cselib_val): Adjust. Set and dump uid.
6878 (cselib_lookup_mem): Pass next_uid as hash.
6879 (cselib_subst_to_values): Likewise.
6880 (cselib_log_lookup): Dump uid.
6881 (cselib_lookup): Pass next_uid as hash. Adjust.
6882 (cselib_process_insn): Adjust.
6883 (cselib_init): Initialize next_uid.
6884 (cselib_finish): Adjust.
6885 (dump_cselib_table): Likewise.
6886 * dse.c (canon_address): Dump value uid.
6887 * print-rtl.c (print_rtx): Print value uid.
6888 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6890 (dv_uid): New function, sort of renamed from...
6891 (dv_htab_hash): ... this, reimplemented in terms of it and...
6892 (dv_uid2hash): ... this. New.
6893 (variable_htab_eq): Drop excess assertions.
6894 (tie_break_pointers): Removed.
6895 (canon_value_cmp): Compare uids.
6896 (variable_post_merge_New_vals): Print uids.
6897 (vt_add_function_parameters): Adjust.
6898 (vt_initialize): Reset table. Adjust.
6900 2010-02-03 Richard Guenther <rguenther@suse.de>
6902 PR tree-optimization/42944
6903 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6904 (call_may_clobber_ref_p_1): Likewise. Properly handle
6905 malloc and calloc clobbering errno.
6907 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6909 * doc/invoke.texi: Fix name of sched1 dump.
6911 * opts.c (decode_options): Set flag_tree_switch_conversion
6912 only conditionally on optimize >= 2.
6914 * gcse.c: Assorted comment fixes in pass description.
6916 2010-02-03 Anthony Green <green@moxielogic.com>
6918 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6919 nop padding in order to maintain alignment of storage location of
6920 target function address.
6921 (moxie_trampoline_init): Store target function address at newly
6923 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6925 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6927 2010-02-03 Richard Guenther <rguenther@suse.de>
6930 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6932 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6934 * config.gcc: Reenable check for obsolete targets.
6935 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6936 mips-sgi-irix6.[0-4]*.
6938 2010-02-02 Nick Clifton <nickc@redhat.com>
6940 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6941 constant size of 4 as being the same as 0.
6942 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6943 can take values in the range 0..4.
6945 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6948 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6949 as _darwin10_Unwind_FindEnclosingFunction().
6950 * libgcc-libsystem.ver: New.
6952 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6955 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6956 implicitly set registers.
6958 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6960 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6961 (arm_override_options): Allow automatic selection of the thread
6962 pointer register if thumb2.
6963 (legitimize_pic_address): Improve code sequences for Thumb2.
6964 (arm_call_tls_get_addr): Likewise.
6965 (legitimize_tls_address): Likewise.
6966 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6967 (pic_load_addr_32bit): ... this. New named pattern.
6968 * thumb2.md (pic_load_addr_thumb2): Delete.
6969 (pic_load_dot_plus_four): Delete.
6970 (tls_load_dot_plus_four): New named pattern.
6972 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6975 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6976 Document fix for TLS bug.
6978 2010-01-31 Richard Guenther <rguenther@suse.de>
6980 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6981 conservatively correct.
6983 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6987 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6989 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6991 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6993 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6995 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6997 * config.gcc: Adjust order of makefile fragments for mingw targets.
6999 2010-01-31 Richard Guenther <rguenther@suse.de>
7002 * gimplify.c (gimplify_init_constructor): For volatile LHS
7003 initialize a temporary.
7005 2010-01-31 Matthias Klose <doko@ubuntu.com>
7007 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7009 * configure: Regenerate.
7011 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7013 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7014 the same alias set and their sizes different constantness.
7015 (aliasing_component_refs_p): Revert 2009-10-24 change.
7017 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7019 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7022 2010-01-29 Richard Guenther <rguenther@suse.de>
7024 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7025 Assert we successfully updated the call.
7027 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7029 PR rtl-optimization/42889
7030 * df.h (df_set_bb_dirty_nonlr): New prototype.
7031 * df-core.c (df_set_bb_dirty_nonlr): New function.
7032 * df-scan.c (df_insn_rescan): Call it instead of
7033 df_set_bb_dirty for DEBUG_INSNs.
7035 2010-01-29 Richard Guenther <rguenther@suse.de>
7038 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7039 quadratic behavior in most cases.
7041 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7044 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7045 in the call to gen_x86_movsicc_0_m1.
7047 2010-01-28 Richard Guenther <rguenther@suse.de>
7049 PR tree-optimization/42871
7050 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7052 2010-01-28 Richard Guenther <rguenther@suse.de>
7054 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7055 into call arguments.
7057 2010-01-28 Richard Guenther <rguenther@suse.de>
7060 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7061 the forwarder if the destination is an EH landing pad.
7063 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7065 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7066 block list passed to gimple_duplicate_sese_tail.
7067 (parallelize_loops): Avoid parallelization when the function
7069 Avoid parallelization when the preheader is IRREDUCIBLE.
7070 Try to optimize when estimated_loop_iterations_int is unresolved.
7071 Add the loop's location to the dump file.
7072 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7073 (gimple_duplicate_sese_tail): Remove the check for the latch.
7074 Redirect nexits to the exit block.
7075 Remove handling of the incoming edges to the latch.
7076 Redirect the backedge from the copied latch to the exit bb.
7078 2010-01-28 Michael Matz <matz@suse.de>
7081 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7082 Wrap force_reg into a sequence, emit it before user.
7084 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7086 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7088 (arm_legacy_rev): Likewise.
7089 (thumb_legacy_rev): Likewise.
7091 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7093 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7094 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7095 on MEM's address failed, try avoid_constant_pool_reference and
7096 recurse if it returned something different.
7097 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7098 address, try avoid_constant_pool_reference and recurse if it
7099 returned something different.
7100 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7101 address and avoid_constant_pool_reference returned something
7102 different, don't set have_address.
7104 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7107 * var-tracking.c (val_store): Add modified argument, obey it.
7109 (count_uses): Move down logging of main.
7110 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7111 don't need resolution.
7112 (emit_notes_in_bb): Likewise.
7114 2010-01-27 Richard Guenther <rguenther@suse.de>
7117 * tree-inline.c (remap_decl): Delay remapping of SSA name
7118 default definitions until we need them.
7120 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7122 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7123 (rs6000_delegitimize_address): New function.
7125 * config/s390/s390.c (s390_delegitimize_address): Call
7126 delegitimize_mem_from_attrs.
7129 * tree-inline.c (cannot_copy_type_1): Removed.
7130 (copy_forbidden): Don't forbid copying of functions containing
7131 records/unions with variable length fields.
7133 2010-01-27 Christian Bruel <christian.bruel@st.com>
7137 * config/sh/sh.c (find_barrier): Increase length for non delayed
7138 conditional branches.
7140 2010-01-27 Matthias Klose <doko@ubuntu.com>
7142 * configure.ac (gnu-unique-object): Fix ldd version check.
7143 * configure: Regenerate.
7145 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7147 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7149 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7150 Test for HAVE_GNU_AS value.
7152 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7154 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7155 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7156 INT64_TYPE): Define.
7157 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7158 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7159 INT_LEAST64_TYPE): Define.
7160 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7161 UINT_LEAST64_TYPE): Define.
7162 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7163 INT_FAST64_TYPE): Define.
7164 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7165 UINT_FAST64_TYPE): Define.
7166 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7167 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7168 (SIG_ATOMIC_TYPE): Define.
7170 2010-01-26 Richard Guenther <rguenther@suse.de>
7172 * df-scan.c (df_scan_set_bb_info): Remove assert.
7173 (df_insn_rescan_debug_internal): Merge asserts.
7174 (df_install_ref): Likewise.
7175 (df_mark_reg): Use bitmap_set_range.
7176 (df_hard_reg_used_p): Remove assert.
7177 (df_hard_reg_used_count): Likewise.
7179 2010-01-26 Richard Guenther <rguenther@suse.de>
7181 PR rtl-optimization/42685
7182 * web.c (web_main): Ignore DEBUG_INSNs.
7184 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7186 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7188 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7189 Fix types of fndecl and arglist parameters.
7191 2010-01-26 Richard Guenther <rguenther@suse.de>
7194 * tree-eh.c (unsplit_eh): Skip debug insns.
7196 2010-01-26 Richard Guenther <rguenther@suse.de>
7198 PR tree-optimization/42250
7199 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7201 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7204 * omp-low.c (expand_omp_sections): Only use single_pred if
7205 l2_bb is single_pred_p.
7207 2010-01-25 Christian Bruel <christian.bruel@st.com>
7210 * config/sh/sh.c (find_barrier): Increase length for non delayed
7211 conditional branches.
7212 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7214 2010-01-24 David S. Miller <davem@davemloft.net>
7216 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7217 define if not using GAS.
7218 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7219 Likewise. Delete SECTION_MERGE code, which is only applicable
7222 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7225 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7226 mangling of va_list in system headers.
7228 2010-01-23 Toon Moene <toon@moene.org>
7230 * tree-predcom.c (combine_chains): Return NULL, not false.
7232 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7234 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7235 initialization of variable res to agree with return type.
7237 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7239 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7240 * tree-sra.c: Add include of expr.h.
7242 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7244 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7245 insert the debug stmt on the single non-EH edge from the stmt.
7247 2010-01-22 Richard Henderson <rth@redhat.com>
7250 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7251 the RHS until after generate_subtree_copies has insertted its
7252 code before the current statement.
7254 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7256 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7258 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7260 2010-01-21 Martin Jambor <mjambor@suse.cz>
7262 PR tree-optimization/42585
7263 * tree-sra.c (struct access): New field grp_total_scalarization.
7264 (dump_access): Dump the new field.
7265 (should_scalarize_away_bitmap): New variable.
7266 (cannot_scalarize_away_bitmap): Likewise.
7267 (sra_initialize): Allocate new bitmaps.
7268 (sra_deinitialize): Free new bitmaps.
7269 (create_access_1): New function.
7270 (create_access): Parts moved to create_access_1.
7271 (type_consists_of_records_p): New function.
7272 (completely_scalarize_record): Likewise.
7273 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7274 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7275 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7277 (analyze_all_variable_accesses): Completely scalarize small eligible
7280 2010-01-21 Martin Jambor <mjambor@suse.cz>
7282 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7284 2010-01-21 Andrew Haley <aph@redhat.com>
7286 * gcc.c (process_command): Move lang_specific_driver before
7287 setting cc_libexec_prefix.
7289 2010-01-21 Richard Guenther <rguenther@suse.de>
7292 * fold-const.c (negate_expr_p): Pretend only negative
7293 real constants are easily negatable.
7295 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7296 Jason Merrill <jason@redhat.com>
7298 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7299 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7300 * calls.c (initialize argument_information): Handle it.
7301 * c-common.c (handle_transparent_union_attribute): Use new name.
7302 * c-decl.c (finish_struct): Ditto.
7303 * c-typeck.c (type_lists_compatible_p): Ditto.
7304 (convert_for_assignment): Use new name and also handle record.
7305 * function.c (aggregate_value_p): Handle it.
7306 (pass_by_reference): Ditto.
7307 (assign_parm_data_types): Ditto.
7308 * print-tree.c (print_node): Ditto.
7309 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7310 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7311 * tree.c (first_field): New fn.
7313 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7316 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7317 even when linking statically, for now.
7319 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7322 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7323 without a cselib val.
7324 (count_uses): Accept MO_VAL_SET with no val on stores.
7325 (add_stores): Likewise.
7327 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7329 * var-tracking.c (check_value_val): Add a compile time assertion.
7330 (dv_is_decl_p): Simplify.
7331 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7332 gcc_assert if ENABLE_CHECKING.
7334 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7337 * var-tracking.c: Include tree-flow.h.
7338 (mem_dies_at_call): New.
7339 (dataflow_set_preserve_mem_locs): Use it.
7340 (dataflow_set_remove_mem_locs): Likewise.
7341 (dump_var): Renamed from dump_variable. Adjust all callers.
7342 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7343 * Makefile.in (var-tracking.o): Adjust deps.
7345 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7347 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7349 2010-01-20 Richard Guenther <rguenther@suse.de>
7351 PR tree-optimization/42717
7352 * tree-ssa-dce.c (get_live_post_dom): Remove.
7353 (forward_edge_to_pdom): Take an arbitrary edge to copy
7354 degenerate PHI args from.
7355 (remove_dead_stmt): Use the first post-dominator even if it
7356 does not contain live statements as redirection destination.
7358 2010-01-20 Richard Guenther <rguenther@suse.de>
7360 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7362 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7364 * sel-sched.c (create_speculation_check): Remove set but not used
7366 (try_transformation_cache): Remove set but not used variable ds.
7367 (calculate_privileged_insns): Remove set but not used variables
7368 cur_insn and min_spec_insn.
7369 (find_best_expr): Remove set but not used variable avail_n.
7370 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7372 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7374 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7375 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7378 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7381 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7382 cpu types. Add support for *-sse3 cpu types.
7383 (x86_64-*-*): Ditto.
7385 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7388 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7389 argument, call initializer_constant_valid_p_1 instead of
7390 initializer_constant_valid_p, pass CACHE to it, return NULL
7391 immediately if first call returns NULL.
7392 (initializer_constant_valid_p_1): New function.
7393 (initializer_constant_valid_p): Use it.
7395 2010-01-20 Thomas Quinot <quinot@adacore.com>
7397 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7399 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7401 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7402 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7403 (loc_list_from_tree): Don't handle unsigned division. Handle
7404 signed modulo using DW_OP_{over,over,div,mul,minus}.
7405 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7406 modulo instead of signed.
7408 2010-01-20 DJ Delorie <dj@redhat.com>
7410 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7412 (h8300_emit_stack_adjustment): Propogate it.
7414 (h8300_expand_prologue): Likewise.
7415 (h8300_expand_epilogue): Likewise.
7417 2010-01-19 Michael Matz <matz@suse.de>
7419 PR tree-optimization/41783
7420 * tree-data-ref.c (toplevel): Include flags.h.
7421 (dump_data_dependence_relation): Also dump the inputs if the
7422 result will be unknown.
7423 (split_constant_offset_1): Look through some conversions.
7424 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7425 the offset from last element is too large.
7426 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7427 (reassociate_to_the_same_stmt): Handle vector registers.
7428 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7430 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7431 wide_prolog_niters argument, emit widening instructions.
7432 (vect_do_peeling_for_alignment): Adjust caller, use widened
7433 variant of the iteration cound.
7434 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7436 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7439 * config/arm/neon-testgen.m (emit_automatics): New parameter
7440 features. Adjust for Fixed_return_reg feature.
7441 (test_intrinsic): Call emit_automatics with new feature.
7442 * config/arm/neon.ml: Update copyright years.
7443 (features): New Fixed_return_reg feature.
7444 (ops): Update feature for Vget_low.
7446 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7448 PR tree-optimization/42719
7449 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7453 * fwprop.c (all_uses_available_at): Return false if def_set dest
7454 is a REG that is used in def_insn.
7456 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7458 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7460 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7463 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7465 * target.h (struct gcc_target) <secondary_reload>: Change type
7466 of last argument to secondary_reload_info *.
7468 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7471 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7472 memory references with unaligned offsets. Remove CQImode handling.
7473 (unaligned_memory_operand): Return 1 for memory references with
7474 unaligned offsets. Remove CQImode handling.
7476 2010-01-18 Richard Guenther <rguenther@suse.de>
7479 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7482 2010-01-18 Richard Guenther <rguenther@suse.de>
7484 PR tree-optimization/42781
7485 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7486 restrict processing only if the original variable was artificial.
7488 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7490 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7491 find number of popped argument bytes.
7493 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7494 Fix the text that describes the return value for invalid insns.
7496 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7498 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7499 Clarify what 'cost of the -dependence' is. Fix quoting.
7501 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7502 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7504 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7506 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7507 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7509 2010-01-17 Richard Guenther <rguenther@suse.de>
7512 * function.c (split_complex_args): Take a VEC to modify.
7513 (assign_parms_augmented_arg_list): Build a VEC instead of
7514 a chain of PARM_DECLs.
7515 (assign_parms_unsplit_complex): Take a VEC of arguments.
7516 Do not fixup unmodified parms.
7517 (assign_parms): Deal with the VEC.
7518 (gimplify_parameters): Likewise.
7520 2010-01-17 Richard Guenther <rguenther@suse.de>
7522 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7523 node existence check.
7524 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7525 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7526 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7527 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7528 (gimple_execute_on_growing_pred): Likewise.
7530 2010-01-17 Richard Guenther <rguenther@suse.de>
7532 PR tree-optimization/42773
7533 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7534 (compute_antic_aux): Likewise.
7535 (compute_partial_antic_aux): Likewise.
7537 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7540 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7543 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7545 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7548 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7549 Fix markup for strict argument.
7551 (TARGET_SCHED_REORDER2): Fix argument types.
7553 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7554 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7556 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7557 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7559 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7562 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7563 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7564 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7565 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7566 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7568 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7570 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7572 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7573 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7575 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7577 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7580 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7582 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7583 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7585 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7587 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7589 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7590 referring to it. Fix language.
7592 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7594 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7596 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7598 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7600 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7601 '@var{stream}. Remove stray 'and'.
7603 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7605 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7607 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7609 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7610 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7612 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7613 Fix description of return value.
7614 Rename argument "sz" to "len."
7616 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7617 Clarify meaning of 'true' return value.
7619 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7621 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7622 rep_mode versus mode_rep.
7624 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7626 (TARGET_BUILTIN_DECL): Fix name.
7628 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7630 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7632 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7634 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7636 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7638 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7641 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7642 Rename argument tm_fn to md_fn.
7644 (TARGET_OPTION_PRINT): Fix argument list.
7646 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7649 * config/i386/i386.c (ix86_fixup_binary_operands):
7650 Revert FMA4 fixup of operands.
7652 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7655 * Makefile.in (write_entries_to_file, install-plugin):
7656 Use \012 instead of \n with tr.
7658 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7660 * configure.ac (HAVE_AS_REF): New C macro.
7661 * configure: Regenerate.
7662 * config.in: Likewise.
7663 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7665 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7668 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7670 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7672 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7674 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7676 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7678 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7680 (TARGET_BINDS_LOCAL_P): Fix argument type.
7682 (TARGET_ASM_FILE_END): Use prototype.
7684 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7686 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7688 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7690 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7692 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7693 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7695 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7696 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7698 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7699 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7700 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7701 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7703 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7705 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7707 (TARGET_INIT_BUILTINS): Use prototype.
7709 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7710 Put 'const char *' in braces. Fix parameter types.
7711 (TARGET_INVALID_CONVERSION): Fix parameter types.
7712 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7713 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7715 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7718 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7720 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7722 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7724 * doc/tm.texi (TARGET_HELP): Fix return type.
7726 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7727 in braces. Fix argument types.
7729 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7731 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7733 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7735 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7736 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7738 (TARGET_MANGLE_TYPE): Fix argument types.
7740 (TARGET_IRA_COVER_CLASSES): Use prototype.
7742 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7744 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7746 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7748 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7750 (TARGET_CALLEE_COPIES): Fix argument types.
7752 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7754 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7756 (TARGET_FUNCTION_VALUE): Fix argument types.
7758 (TARGET_RETURN_IN_MSB): Fix argument type.
7760 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7762 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7764 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7766 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7767 agree with return type.
7769 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7771 2010-01-15 Jing Yu <jingyu@google.com>
7773 PR rtl-optimization/42691
7774 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7775 a pseudo to a constant and are merged, and adjust comments.
7777 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7779 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7781 2010-01-15 Richard Guenther <rguenther@suse.de>
7784 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7785 labels of computed or non-local gotos to the destination.
7786 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7787 landing pad label is the first label.
7789 2010-01-15 Richard Guenther <rguenther@suse.de>
7791 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7793 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7796 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7797 to allow generation of the xssqrtdp instruction on power7.
7798 (sqrtdf2_fpr): Ditto.
7800 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7803 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7804 functions with noreturn attribute.
7807 * varasm.c (declare_weak): Add weak attribute to decl if it
7808 doesn't have one already.
7809 (assemble_external): Only add decls to weak_decls if they also
7810 have weak attribute.
7812 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7814 * var-tracking.c (var_reg_delete): Don't delete the association
7815 between REGs and values or one-part variables if the register
7818 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7821 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7822 because its first operand is a non-localized variable.
7824 2010-01-14 Martin Jambor <mjambor@suse.cz>
7826 PR tree-optimization/42706
7827 * tree-sra.c (encountered_recursive_call): New variable.
7828 (encountered_unchangable_recursive_call): Likewise.
7829 (sra_initialize): Initialize both new variables.
7830 (callsite_has_enough_arguments_p): New function.
7831 (scan_function): Call decl and flags check only for IPA-SRA, check
7832 whether there is a recursive call and whether it has enough arguments.
7833 (all_callers_have_enough_arguments_p): New function.
7834 (convert_callers): Look for recursive calls only when
7835 encountered_recursive_call is set.
7836 (ipa_early_sra): Bail out either if
7837 !all_callers_have_enough_arguments_p or
7838 encountered_unchangable_recursive_call.
7840 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7842 * sel-sched.c: Add 2010 to copyright years.
7843 * sel-sched-ir.c: Likewise.
7844 * sel-sched-ir.h: Likewise.
7846 2010-01-14 Martin Jambor <mjambor@suse.cz>
7848 PR tree-optimization/42714
7849 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7850 constructors specially.
7852 2010-01-14 Andi Kleen <ak@linux.intel.com>
7854 * config/i386/drivers-i386.c (detect_caches_intel):
7855 Add l2sizekb parameter and fill in.
7856 (host_detect_local_cpu): Add l2sizekb, fill in.
7857 Add Atom small cache heuristic.
7859 2010-01-14 Andi Kleen <ak@linux.intel.com>
7861 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7862 Add level3 parameter and fill in.
7863 (detect_caches_intel): Handle level3 cache.
7865 2010-01-14 Andi Kleen <ak@linux.intel.com>
7867 * config/i386/drivers-i386.c (host_detect_local_cpu):
7868 Fix core duo detection.
7870 2010-01-14 Andi Kleen <ak@linux.intel.com>
7872 * config/i386/drivers-i386.c (host_detect_local_cpu):
7875 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7877 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7878 (rs6000_variable_issue_1): this. Use...
7879 (rs6000_variable_issue): here. Reimplement. Print debug info.
7881 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7883 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7884 sel_restore_notes. Update all callers. Call reemit_notes
7887 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7889 PR rtl-optimization/42246
7890 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7893 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7895 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7896 all successors is the same as number of successors in current region.
7898 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7900 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7901 to rename is not separable. Otherwise check that its LHS is not NULL.
7903 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7905 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7907 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7909 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7910 available registers when failed to discover LHS register class.
7911 Fix indentation. Update comment.
7913 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7914 Alexander Monakov <amonakov@ispras.ru>
7916 PR rtl-optimization/42389
7917 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7919 (advance_state_on_fence): Likewise.
7920 (sel_target_adjust_priority): Print debug output only when
7921 sched_verbose >= 4, not 2.
7922 (get_expr_cost): Do not issue all unique insns on the next cycle.
7923 (fill_insns): Initialize can_issue_more from the value saved
7925 * sel-sched-ir.c (flist_add): New parameter issue_more.
7926 Init FENCE_ISSUE_MORE with it.
7927 (merge_fences): Likewise.
7928 (init_fences): Update call to flist_add.
7929 (add_to_fences, add_clean_fence_to_fences)
7930 (add_dirty_fence_to_fences): Likewise.
7931 (move_fence_to_fences): Update call to merge_fences.
7932 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7934 * sel-sched-ir.h (struct _fence): New field issue_more.
7935 (FENCE_ISSUE_MORE): New accessor macro.
7937 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7939 PR rtl-optimization/42388
7940 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7941 that have no predecessors nor successors. Do not call move_bb_info
7942 for empty blocks outside of current region.
7944 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7946 PR rtl-optimization/42294
7947 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7948 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7949 originators' originators.
7951 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7953 PR rtl-optimization/39453
7954 PR rtl-optimization/42246
7955 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7957 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7959 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7960 Alexander Monakov <amonakov@ispras.ru>
7963 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7964 (maybe_tidy_empty_bb): ... here. Make static. Add new
7965 argument. Update all callers.
7966 (tidy_control_flow): ... and here. Recompute topological order
7967 of basic blocks in region if necessary.
7968 (sel_redirect_edge_and_branch): Change return type. Return true
7969 if topological order might have been invalidated.
7970 (purge_empty_blocks): Export and move from...
7971 * sel-sched.c (purge_empty_blocks): ... here.
7972 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7973 (maybe_tidy_empty_bb): Delete prototype.
7974 (purge_empty_blocks): Declare.
7976 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7978 PR rtl-optimization/42249
7979 * sel-sched.c (try_replace_dest_reg): When chosen register
7980 and original register is the same, do not bail out early, but
7981 still check all original insns for validity of replacing destination
7982 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7985 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7988 Port from no-undefined-overflow branch:
7989 2009-03-09 Richard Guenther <rguenther@suse.de>
7991 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7993 2010-01-14 Richard Guenther <rguenther@suse.de>
7996 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7998 2010-01-14 Ira Rosen <irar@il.ibm.com>
8000 PR tree-optimization/42709
8001 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8002 as scalar type in creation of constant vector operand.
8004 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8007 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8008 (check-parallel-%): Match `testsuite' directory component only
8011 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8013 PR translation/39521
8014 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8017 2010-01-13 Richard Guenther <rguenther@suse.de>
8019 PR tree-optimization/42730
8020 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8023 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8026 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8027 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8030 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8032 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8033 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8034 ___umulsi3_highpart.
8036 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8037 rather than schedule_insns if the pass is enabled.
8039 2010-01-13 Martin Jambor <mjambor@suse.cz>
8041 PR tree-optimization/42704
8042 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8045 2010-01-13 Martin Jambor <mjambor@suse.cz>
8047 PR tree-optimization/42703
8048 * tree-sra.c (analyze_access_subtree): Check that we can build a
8049 reference to the original data within the aggregate.
8051 2010-01-13 Richard Guenther <rguenther@suse.de>
8053 PR tree-optimization/42705
8054 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8056 2010-01-13 Richard Guenther <rguenther@suse.de>
8059 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8061 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8064 * var-tracking.c (values_to_unmark): New variable.
8065 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8066 values_to_unmark vector. Moved body to...
8067 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8068 instead queue it into values_to_unmark vector.
8069 (vt_find_locations): Free values_to_unmark vector.
8071 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8073 * config/s390/s390.c (override_options): Set
8074 default of max-pending-list-length to 256
8076 2010-01-13 Richard Guenther <rguenther@suse.de>
8079 * tree-pass.h (PROP_gimple_lcx): New.
8080 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8081 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8082 before the final cleanup_eh.
8083 (dump_properties): Dump PROP_gimple_lcx.
8084 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8085 (tree_lower_complex_O0): Remove.
8086 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8087 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8088 tree_lower_complex, schedule TODO_update_ssa.
8089 * lto-streamer-out.c (output_function): Stream the functions
8091 * lto-streamer-in.c (input_function): Likewise.
8092 (lto_read_body): Do not override them here.
8094 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8097 * c-typeck.c (build_c_cast): Fold value cast to union type before
8098 wrapping it in a CONSTRUCTOR.
8100 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8102 PR rtl-optimization/42699
8103 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8106 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8108 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8109 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8110 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8111 SUBTARGET_WARN_UNUSED_SPEC): ... here
8112 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8114 2010-01-12 Julian Brown <julian@codesourcery.com>
8116 * config/arm/neon-schedgen.ml (Utils): Don't try to
8117 open missing module.
8118 (find_with_result): New.
8120 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8123 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8124 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8126 PR tree-optimization/42645
8127 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8128 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8129 decl_map, set processing_debug_stmt to -1 and return name without
8132 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8134 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8135 binutils version, and reword target configuration description.
8137 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8139 * config/avr/avr.h (LINKER_NAME): Remove.
8141 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8144 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8145 that support VSX, warn for -mno-altivec if vsx is not disabled,
8148 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8149 Shujing Zhao <pearly.zhao@oracle.com>
8151 PR translation/42469
8152 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8153 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8154 character between option name and help text.
8155 * c.opt (imultilib): Likewise.
8157 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8159 * lto-streamer-out.c (output_unreferenced_globals): Output static
8162 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8164 PR rtl-optimization/42621
8165 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8166 optimizing for size.
8167 (duplicate_computed_gotos): Remove now-redundant check.
8169 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8172 * configure.ac: Save and restore LDFLAGS and LIBS
8173 * configure: Regenerate.
8175 2010-01-10 Richard Guenther <rguenther@suse.de>
8178 * builtins.c (fold_builtin_strlen): Add type argument and
8179 convert the resulting length to it.
8180 (fold_builtin_1): Adjust.
8182 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8184 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8185 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8187 (num_insns_constant_wide): Adjust for that change.
8189 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8192 * web.c (union_defs): Add used argument, to combine uses of
8194 (entry_register): Adjust type and tests of used argument.
8195 (web_main): Widen used for new use. Pass it to union_defs.
8196 * df.h (union_defs): Adjust prototype.
8198 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8201 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8202 uses in new incoming argument. Free body.
8203 (reset_debug_uses_in_loop): New.
8204 (analyze_insn_to_expand_var): Call the latter if the former found
8205 anything. Fix whitespace. Reject invalid dest overlaps before
8206 going through all insns in the loop.
8208 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8211 * haifa-sched.c (dying_use_p): Debug insns don't count.
8213 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8216 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8217 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8218 (verify_gimple_call): Reject LHS in noreturn calls.
8220 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8224 * tree-vect-loop-manip.c (adjust_info): New type.
8225 (adjust_vec): New pointer to vector.
8226 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8227 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8228 (slpeel_update_phis_for_duplicate_loop): Use them.
8229 (slpeel_update_phi_nodes_for_guard1): Likewise.
8230 (slpeel_update_phi_nodes_for_guard2): Likewise.
8231 (slpeel_tree_peel_loop_to_edge): Likewise.
8232 (vect_update_ivs_after_vectorizer): Likewise.
8234 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8236 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8237 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8239 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8241 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8242 bogus uninitialized warning.
8244 2010-01-09 Richard Guenther <rguenther@suse.de>
8247 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8248 the evolution is compatible with the initial condition.
8250 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8252 * gcc.c (process_command): Update copyright notice dates.
8253 * gcov.c (print_version): Likewise.
8254 * gcov-dump.c (print_version): Likewise.
8255 * mips-tfile.c (main): Likewise.
8256 * mips-tdump.c (main): Likewise.
8258 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8261 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8263 (rotlhi3_8): Delete.
8265 (rotlsi3_8): Delete.
8266 (rotlsi3_16): Delete.
8267 (rotlsi3_24): Delete.
8269 (*rotw<mode>3): New.
8270 (*rotb<mode>3): New.
8271 * config/avr/avr.c (avr_rotate_bytes): New function.
8272 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8274 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8277 * configure.ac: Modify -rdynamic check.
8278 * configure: Regenerate.
8280 2010-01-08 DJ Delorie <dj@redhat.com>
8282 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8283 register popping order.
8285 2010-01-08 Richard Guenther <rguenther@suse.de>
8288 * c.opt (fsigned-char): Also let LTO handle this option.
8289 (funsigned-char): Likewise.
8291 2010-01-07 Richard Guenther <rguenther@suse.de>
8293 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8294 (gimple_op): Likewise.
8295 (gimple_op_ptr): Likewise.
8296 (gimple_assign_set_lhs): Remove gcc_assert.
8297 (gimple_assign_set_rhs1): Likewise.
8298 (gimple_assign_set_rhs2): Likewise.
8299 (gimple_call_set_lhs): Likewise.
8300 (gimple_call_set_fn): Likewise.
8301 (gimple_call_set_fndecl): Likewise.
8302 (gimple_call_fndecl): Likewise.
8303 (gimple_call_return_type): Likewise.
8304 (gimple_call_set_chain): Likewise.
8305 (gimple_call_num_args): Likewise.
8306 (gimple_call_set_arg): Likewise.
8307 (gimple_cond_set_code): Likewise.
8308 (gimple_cond_set_lhs): Likewise.
8309 (gimple_cond_set_rhs): Likewise.
8310 (gimple_cond_set_true_label): Likewise.
8311 (gimple_cond_set_false_label): Likewise.
8312 (gimple_label_set_label): Likewise.
8313 (gimple_goto_set_dest): Likewise.
8314 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8315 (gimple_debug_bind_get_value): Likewise.
8316 (gimple_debug_bind_get_value_ptr): Likewise.
8317 (gimple_debug_bind_set_var): Likewise.
8318 (gimple_debug_bind_set_value): Likewise.
8319 (gimple_debug_bind_reset_value): Likewise.
8320 (gimple_debug_bind_has_value_p): Likewise.
8321 (gimple_return_retval_ptr): Remove gcc_assert.
8322 (gimple_return_retval): Likewise.
8323 (gimple_return_set_retval): Likewise.
8324 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8325 (safe_referenced_var_iterator): Remove.
8326 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8327 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8328 (fill_referenced_var_vec): Remove.
8329 (first_readonly_imm_use): Remove redundant gcc_assert.
8330 (phi_arg_index_from_use): Combine gcc_asserts.
8331 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8332 (first_imm_use_stmt): Remove redundant gcc_assert.
8333 * tree-cfg.c (verify_gimple_call): Verify function and chain
8334 operands. Verify arguments.
8335 (verify_types_in_gimple_stmt): Verify condition code and labels.
8337 2010-01-07 Richard Guenther <rguenther@suse.de>
8339 PR tree-optimization/42641
8340 * sese.c (rename_map_elt_info): Use the SSA name version, do
8343 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8345 PR tree-optimization/42625
8346 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8347 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8349 2010-01-07 Duncan Sands <baldrick@free.fr>
8351 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8353 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8356 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8357 note itself is not function_invariant_p.
8359 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8361 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8362 Do not add the DF_NOTE problem.
8363 * store-motion.c (execute_rtl_store_motion): Likewise.
8365 2010-01-07 Martin Jambor <mjambor@suse.cz>
8367 PR tree-optimization/42157
8368 * tree-sra.c (compare_access_positions): Stabilize sort if both
8369 accesses have integer types, return zero immediately if they are the
8372 2010-01-06 Richard Henderson <rth@redhat.com>
8375 * haifa-sched.c (add_to_note_list): Merge into ...
8376 (concat_note_lists): ... here, and ...
8377 (unlink_other_notes, rm_other_notes): Merge into...
8378 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8379 NOTE_INSN_EPILOGUE_BEG.
8381 2010-01-06 Richard Guenther <rguenther@suse.de>
8383 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8384 not inline regular functions into always-inline functions.
8386 2010-01-06 Nick Clifton <nickc@redhat.com>
8388 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8389 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8391 (OVERRIDE_OPTIONS): Delete.
8392 (OPTIMIZATION_OPTIONS): Define.
8393 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8394 * config/rx/rx.c (rx_handle_option): Issue an error message if
8395 -mcpu=rx200 and -fpu are used together.
8396 (rx_set_optimization_options): New function. Issue an error
8397 message if an optimization attribute attempts to reset the FPU/
8398 math optimization pairing.
8399 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8400 * config/rx/rx.opt: Set the default to 32-bit doubles.
8401 * config/rx/t-rx: Add multilibs for -nofpu option.
8402 * doc/invoke.texi: Update documentation of RX options.
8404 2010-01-06 Richard Guenther <rguenther@suse.de>
8406 * tree-ssa-pre.c (name_to_id): New global.
8407 (alloc_expression_id): Simplify SSA name handling.
8408 (lookup_expression_id): Likewise.
8409 (init_pre): Zero name_to_id.
8410 (fini_pre): Free it.
8412 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8414 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8416 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8419 * config/i386/sse.md (smaxv2di3): New.
8420 (umaxv2di3): Likewise.
8421 (sminv2di3): Likewise.
8422 (uminv2di3): Likewise.
8424 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8427 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8428 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8429 (legitimize_tls_address): Likewise.
8430 (sparc_tls_referenced_p): Likewise.
8431 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8432 and adjust calls to legitimize_pic_address.
8433 (legitimate_constant_p) Use sparc_tls_referenced_p.
8434 (legitimate_pic_operand_p): Likewise.
8435 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8436 (sparc_tls_symbol_ref_1): Delete.
8437 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8438 (legitimize_tls_address): Make static, handle CONST patterns.
8439 (legitimize_pic_address): Make static, remove unused parameter and
8440 adjust recursive calls.
8441 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8442 and adjust call to legitimize_pic_address.
8443 (sparc_output_mi_thunk): Likewise.
8445 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8446 H.J. Lu <hongjiu.lu@intel.com>
8449 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8450 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8451 operands to make them signed.
8454 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8457 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8458 GTU to GT for V4SI and V2DI.
8460 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8461 (umin<mode>3): Removed.
8463 (uminv4si3): Likewise.
8465 2010-01-05 Martin Jambor <mjambor@suse.cz>
8467 PR tree-optimization/42462
8468 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8469 current_function_decl to helper functions and macros.
8471 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8474 * flags.h: Don't include real.h.
8475 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8476 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8477 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8478 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8479 * dominance.c: Update copyright.
8480 * gimple.c (walk_gimple_op): Remove inline.
8481 * tree-ssa-reassoc.c: Include real.h.
8482 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8483 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8485 2010-01-05 Nick Clifton <nickc@redhat.com>
8487 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8488 register to push into the stack frame when the accumulator has to
8489 be saved during interrupts.
8491 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8493 * doc/invoke.texi: Remove the documentation about option
8495 * common.opt (Wunreachable-code): Preserved for backward
8497 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8498 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8499 the backward compatibility flag section.
8501 2010-01-05 Richard Guenther <rguenther@suse.de>
8503 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8505 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8508 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8510 PR tree-optimization/42508
8511 * tree-sra.c (convert_callers): Check for recursive call
8512 by comparing cgraph nodes instead of decls.
8513 (modify_function): Call ipa_modify_formal_parameters also
8514 on all same_body aliases.
8516 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8517 cgraph nodes when checking for same_body aliases.
8519 2010-01-05 Richard Guenther <rguenther@suse.de>
8521 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8522 allocation and lookup.
8523 (get_or_alloc_expr_for_constant): Likewise.
8524 (phi_translate): Sink allocation.
8526 2010-01-04 Richard Guenther <rguenther@suse.de>
8528 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8529 a new entry only if needed.
8530 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8531 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8533 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8535 (phi_translate): Handle CONSTANTs early.
8537 2010-01-04 Martin Jambor <mjambor@suse.cz>
8539 PR tree-optimization/42398
8540 * tree-sra.c (struct access): Removed flag grp_different_types.
8541 (dump_access): Do not dump the removed flag.
8542 (sort_and_splice_var_accesses): Do not set the removed flag.
8543 (sra_modify_expr): Check for type compatibility directly.
8545 2010-01-04 Martin Jambor <mjambor@suse.cz>
8547 PR tree-optimization/42366
8548 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8549 edges with variable number of parameters.
8550 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8551 flag instead of asserting it.
8552 (ipa_read_node_info): Read uses_analysis_done flag.
8554 2010-01-04 Richard Guenther <rguenther@suse.de>
8556 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8557 iterative_hash_* as intended.
8558 (vn_reference_compute_hash): Likewise. Simplify hashing
8560 (vn_reference_lookup_2): Likewise.
8561 (vn_nary_op_compute_hash): Likewise.
8562 (vn_phi_compute_hash): Likewise.
8563 (expressions_equal_p): Remove strange code.
8564 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8565 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8566 (bitmap_insert_into_set_1): Take value-id as parameter.
8567 (add_to_value): Pass it.
8568 (bitmap_insert_into_set): Likewise.
8569 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8571 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8574 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8575 (do_self_spec): For switches with SWITCH_IGNORE set set also
8576 SWITCH_IGNORE_PERMANENTLY.
8577 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8580 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8582 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8583 tree of an unreferenced global var.
8585 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8588 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8589 GTU to GT for V4SI and V2DI.
8591 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8592 (umin<mode>3): Removed.
8594 (uminv4si3): Likewise.
8596 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8599 * collect2.c (main): Turn on trace in collect2 if -v is passed
8602 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8604 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8605 description of expression operand.
8607 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8609 * configure.ac: Add install-html to target_list for Make-hooks.
8610 * configure: Regenerate.
8611 * fortran/Make-lang.in (F95_HTMLFILES): New.
8612 (fortran.html): Use it.
8613 (fortran.install-html): New.
8614 * Makefile.in (install-html): Add lang.install-html.
8615 * java/Make-lang.in (JAVA_HTMLFILES): New.
8616 (java.html): Use it.
8617 (java.install-html): New.
8618 * objc/Make-lang.in (objc.install-html): New.
8619 * objcp/Make-lang.in (obj-c++.install-html): New.
8620 * cp/Make-lang.in (c++.install-html): New.
8621 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8622 * lto/Make-lang.in (lto.install-html): New.
8624 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8627 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8629 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8631 PR rtl-optimization/41862
8632 * store-motion.c (store_killed_in_insn, compute_store_table,
8633 remove_reachable_equiv_notes, replace_store_insn,
8634 build_store_vectors): Ignore all DEBUG_INSNs.
8636 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8639 * common.opt: Add dumpdir.
8641 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8643 (option_map): Add --dumpdir.
8645 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8647 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8649 * opts.c (decode_options): Try dump_dir_name first if
8650 dump_base_name isn't an absolute path.
8651 (common_handle_option): Handle OPT_dumpdir.
8653 * toplev.c (dump_dir_name): New.
8654 (print_switch_values): Also ignore -dumpdir.
8656 * toplev.h (dump_dir_name): New.
8658 2010-01-03 Richard Guenther <rguenther@suse.de>
8660 PR tree-optimization/42589
8661 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8662 double-word expansion of bswap32.
8664 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8666 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8667 with BLOCK_FOR_INSN.
8668 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8669 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8670 noce_process_if_block): Likewise.
8671 * gcse.c (compute_local_properties, insert_expr_in_table,
8672 insert_set_in_table, canon_list_insert, find_avail_set,
8673 pre_insert_copy_insn): Likewise.
8675 * basic-block.h (BLOCK_NUM): Move from here...
8676 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8678 2010-01-03 Richard Guenther <rguenther@suse.de>
8680 PR tree-optimization/42438
8681 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8682 contains_may_not_return_call flag.
8683 (BB_MAY_NOTRETURN): New.
8684 (valid_in_sets): Trapping nary operations are not valid
8685 in blocks that may not return.
8686 (insert_into_preds_of_block): Remove check for trapping expressions.
8687 (compute_avail): Compute also BB_MAY_NOTRETURN.
8689 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8691 * doc/invoke.texi: Add 2010 to copyright years.
8693 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8695 * config/sparc/sparc.c: Fix formatting nits.
8697 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8698 Alexander Monakov <amonakov@ispras.ru>
8700 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8702 2010-01-02 Richard Guenther <rguenther@suse.de>
8705 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8706 (simplify_switch_using_ranges): Mark to be removed edges
8709 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8711 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8713 * collect2.c (scan_libraries): Add missing argument in call to
8716 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8719 * config/alpha/predicates.md (aligned_memory_operand): Return false
8721 (unaligned_memory_operand): Return true for CQImode.
8722 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8723 doesn not cross aligned SImode word boundary.
8725 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8727 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8729 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8730 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8732 2010-01-02 Richard Guenther <rguenther@suse.de>
8735 * toplev.c (compile_file): Emit LTO marker properly. Change
8737 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8739 2010-01-01 Richard Guenther <rguenther@suse.de>
8742 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8744 2010-01-01 Richard Guenther <rguenther@suse.de>
8747 * c-decl.c (grokdeclarator): For zero-size arrays force
8748 structural equality checks as layout_type does.
8750 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8752 * builtins.c: Update copyright to 2010.
8754 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8757 * lto-streamer-out.c (produce_asm): Revert the last change.
8758 (copy_function): Likewise.
8760 * lto-streamer.c (lto_get_section_name): Skip any leading
8763 2010-01-01 Richard Guenther <rguenther@suse.de>
8766 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8770 Copyright (C) 2010 Free Software Foundation, Inc.
8772 Copying and distribution of this file, with or without modification,
8773 are permitted in any medium without royalty provided the copyright
8774 notice and this notice are preserved.