1 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
5 2010-05-07 Richard Guenther <rguenther@suse.de>
7 PR tree-optimization/44020
8 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
9 code when PRE is not yet initialized.
11 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
13 * config/mips/dbxmdebug.h: Remove.
14 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
16 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
18 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
19 with null pointer and also warn about ordered comparison of zero with
22 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
25 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
26 * graphite-clast-to-gimple.c
27 (clast_to_gcc_expression): Same.
28 (precision_for_value): Same.
29 (precision_for_interval): Same.
30 (gcc_type_for_interval): Same.
31 (graphite_create_new_guard): Same.
32 (compute_bounds_for_level): Same.
33 (graphite_create_new_loop_guard): Same.
34 * graphite-interchange.c
35 (build_linearized_memory_access): Same.
36 (pdr_stride_in_loop): Same.
37 (memory_strides_in_loop_1): Same.
38 (memory_strides_in_loop): Same.
39 (extend_scattering): Same.
40 (psct_scattering_dim_for_loop_depth): Same.
41 (pbb_number_of_iterations): Same.
43 (debug_iteration_domains): Same.
45 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
46 (ppl_set_inhomogeneous_gmp): Same.
47 (ppl_strip_loop): Same.
48 (ppl_lexico_compare_linear_expressions): Same.
49 (ppl_read_polyhedron_matrix): Same.
50 (ppl_max_for_le_pointset): Same.
52 (ppl_read_polyhedron_matrix): Same.
53 (tree_int_to_gmp): Same.
54 (gmp_cst_to_tree): Same.
55 (ppl_set_inhomogeneous): Same.
56 (ppl_set_inhomogeneous_tree): Same.
58 (ppl_set_coef_tree): Same.
59 * graphite-sese-to-poly.c
60 (build_pbb_scattering_polyhedrons): Same.
61 (build_scop_scattering): Same.
62 (scan_tree_for_params_right_scev): Same.
63 (scan_tree_for_params): Same.
64 (find_params_in_bb): Same.
65 (find_scop_parameters): Same.
66 (add_upper_bounds_from_estimated_nit): Same.
67 (build_loop_iteration_domains): Same.
68 (add_condition_to_domain): Same.
69 (pdr_add_memory_accesses): Same.
71 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
73 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
74 CLooG's value_* macros to their respective mpz_* counterparts.
75 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
76 (graphite_create_new_loop_guard): Same.
77 * graphite-interchange.c (build_linearized_memory_access): Same.
78 (pdr_stride_in_loop): Same.
79 (memory_strides_in_loop_1): Same.
80 (1st_interchange_profitable_p): Same.
81 * graphite-poly.c (extend_scattering): Same.
82 (psct_scattering_dim_for_loop_depth): Same.
83 (pbb_number_of_iterations): Same.
84 (pbb_number_of_iterations_at_time): Same.
85 * graphite-poly.h (new_1st_loop): Same.
86 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
87 (oppose_constraint): Same.
88 (insert_constraint_into_matrix): Same.
89 (ppl_set_inhomogeneous_gmp): Same.
90 (ppl_set_coef_gmp): Same.
91 (ppl_strip_loop): Same.
92 (ppl_lexico_compare_linear_expressions): Same.
93 (ppl_max_for_le_pointset): Same.
94 (ppl_min_for_le_pointset): Same.
95 (ppl_build_realtion): Same.
96 * graphite-ppl.h (gmp_cst_to_tree): Same.
97 (ppl_set_inhomogeneous): Same.
98 (ppl_set_inhomogeneous_tree): Same.
100 (ppl_set_coef_tree): Same.
101 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
102 (build_scop_scattering): Same.
103 (add_value_to_dim): Same.
104 (scan_tree_for_params_right_scev): Same.
105 (scan_tree_for_params_int): Same.
106 (scan_tree_for_params): Same.
107 (find_params_in_bb): Same.
108 (find_scop_parameters): Same.
109 (add_upper_bounds_from_estimated_nit): Same.
110 (build_loop_iteration_domains): Same.
111 (create_linear_expr_from_tree): Same.
112 (add_condition_to_domain): Same.
113 (pdr_add_memory_accesses): Same.
115 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
116 Jason Merrill <jason@redhat.com>
118 * c-common.c (c_common_reswords): Add nullptr.
119 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
120 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
121 (gen_type_die_with_usage): Likewise.
122 * dbxout.c (dbxout_type): Likewise.
123 * sdbout.c (plain_type_1): Likewise.
125 2010-05-06 Jason Merrill <jason@redhat.com>
127 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
128 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
130 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
132 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
133 stripping WITH_SIZE_EXPR.
134 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
137 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
139 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
140 list of obsolete configurations.
141 Disabled check for obsolete configurations.
142 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
143 Removed support for previous versions.
144 * config/mips/iris.h: Removed.
145 * config/mips/iris5.h: Removed.
146 * config/mips/iris6.h: Merged old iris.h contents.
147 (TARGET_IRIX): Removed.
148 (DRIVER_SELF_SPECS): Removed mabi=32.
149 (IDENT_ASM_OP): Removed undef.
150 (STARTFILE_SPEC): Removed mabi=32.
151 (ENDFILE_SPEC): Likewise.
152 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
153 (MACHINE_TYPE): Update for IRIX 6.5.
154 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
155 TARGET_IRIX by TARGET_IRIX6.
156 (mips_file_start): Likewise.
157 (mips_output_external): Remove IRIX 5/6 O32 support.
158 (mips_output_function_prologue): Likewise.
159 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
161 (TARGET_CPU_CPP_BUILTINS): Likewise.
162 (TARGET_IRIX): Removed.
163 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
164 (MULTILIB_DIRNAMES): Removed 32.
165 (MULTILIB_OSDIRNAMES): Removed ../lib.
166 * doc/install.texi (Prerequisites): Don't reference IRIX before
168 (Specific, mips-sgi-irix5): Document removal.
169 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
171 Remove references to older IRIX 6 releases and the O32 ABI.
173 2010-05-06 Jakub Jelinek <jakub@redhat.com>
175 * gcc.dg/Wunused-var-8.c: Move to...
176 * c-c++-common/Wunused-var-6.c: ... here. New test.
179 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
180 instead of DF_REF_REAL_REG.
182 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
185 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
186 handling to still return true for x64 targets.
188 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
190 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
192 2010-05-06 Jan Hubicka <jh@suse.cz>
194 PR tree-optimization/43791
195 * ipa-inline.c (update_caller_keys): Remove bogus
196 disregard_inline_limits check.
198 2010-05-06 Michael Matz <matz@suse.de>
200 PR tree-optimization/43984
201 * tree-ssa-pre.c (inserted_phi_names): Remove.
202 (inserted_exprs): Change to bitmap.
203 (create_expression_by_pieces): Set bits, don't append to vector.
204 (insert_into_preds_of_block): Don't handle inserted_phi_names.
205 (eliminate): Don't look at inserted_phi_names, remove deleted
206 insns from inserted_exprs.
207 (remove_dead_inserted_code): Adjust to use bitmaps instead of
209 (init_pre, fini_pre): Allocate and free bitmaps.
210 (execute_pre): Insert insns on edges before elimination.
212 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
214 * tree.c (initializer_zerop): Handle STRING_CST.
216 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
219 * doc/invoke.texi (Wimplicit): Document as C only.
220 * opts.c (common_handle_option): Add argument kind.
221 (handle_option): Rename as read_cmdline_option. Factor out code to...
222 (handle_option): ... here. New.
223 (handle_options): Rename as read_cmdline_options.
224 (decode_options): Update call.
225 (set_option): Use option index instead of option pointer. Classify
226 diagnostics correctly.
227 (enable_warning_as_error): Call handle_option.
228 * opts.h (set_option): Update declaration.
229 (handle_option): Declare.
230 * langhooks.h (struct lang_hooks): Add argument kind to
232 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
233 * c-opts.c (set_Wimplicit): Delete.
234 (c_family_lang_mask): New static constant.
235 (c_common_handle_option): Add argument kind. Use handle_option
236 instead of set_Wimplicit.
237 (c_common_post_options): warn_implicit and warn_implicit_int
238 are disabled by default.
239 * c-common.c (warn_implicit): Do not define here.
240 * c-common.h (warn_implicit): Do not declare here.
241 (c_common_handle_option): Update declaration.
242 * lto-opts.c (lto_reissue_options): Update call to set_option.
244 2010-05-06 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/43571
247 * domwalk.c (walk_dominator_tree): Walk the dominator
248 sons in more optimal order.
250 2010-05-06 Richard Guenther <rguenther@suse.de>
252 PR tree-optimization/43934
253 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
254 (stmt_cost): Likewise.
255 (extract_true_false_args_from_phi): New helper.
256 (determine_max_movement): For PHI nodes verify we can hoist them
257 and compute their cost.
258 (determine_invariantness_stmt): Handle PHI nodes.
259 (move_computations_stmt): Likewise. Hoist PHI nodes in
260 if-converted form using COND_EXPRs.
261 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
263 (tree_ssa_lim): Likewise.
264 * tree-flow.h (tree_ssa_lim): Adjust prototype.
265 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
267 2010-05-06 Richard Guenther <rguenther@suse.de>
269 PR tree-optimization/43987
270 * tree-ssa-structalias.c (could_have_pointers): For possibly
271 address-taken variables force pointers to be recorded.
272 (create_variable_info_for_1): Likewise.
273 (push_fields_onto_fieldstack): Pass in wheter all fields
275 (find_func_aliases): Query types instead of vars whether
276 they contain pointers where appropriate.
278 2010-05-06 Jan Hubicka <jh@suse.cz>
280 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
281 (record_reference, mark_address, mark_load, mark_store): Record
283 (record_references_in_initializer): Update call of record_references.
284 (rebuild_cgraph_edges): Remove all references before rebuiding.
285 * cgraph.c (cgraph_create_node): Clear ref list.
286 (cgraph_remove_node): Remove references.
287 (dump_cgraph_node): Dump references.
288 (cgraph_clone_node): Clone references.
289 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
290 (struct cgraph_node, varpool_node): Add ref_lst.
291 * ipa-ref.c: New file.
292 * ipa-ref.h: New file.
293 * ipa-ref-inline.h: New file.
294 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
295 (referenced_from_other_partition_p): New function.
296 (lto_output_varpool_node): Take set arugment; call
297 referenced_from_other_partition.
298 (lto_output_ref): New.
299 (add_references): New.
301 (output_cgraph): Compute boundary based on references;
303 (output_varpool): Accept cgraph_node_set argument.
306 (input_cgraph): Call input_refs.
307 * lto-section-in.c (lto_section_name): Add refs.
308 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
309 (ipa-ref.o): New file.
310 * varpool.c (varpool_node): Clear ipa ref list.
311 (varpool_remove_node): Remove references.
312 (dump_varpool_node): Dump references.
313 (varpool_assemble_decl): Only compile finalized ones.
314 (varpool_extra_name_alias): Initialize ref list.
315 * lto-streamer.c (lto-get_section_name): Add .refs section.
316 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
317 (referenced_from_other_partition_p): Declared.
319 2010-05-06 Ira Rosen <irar@il.ibm.com>
321 PR tree-optimization/43901
322 * tree-vect-stmts.c (vectorizable_call): Assert that vector
323 type is not NULL if it's transformation phase, and return
324 FALSE if it's analysis.
325 (vectorizable_conversion, vectorizable_operation,
326 vectorizable_type_demotion, vectorizable_type_promotion):
329 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
331 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
333 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
335 * config/mips/mips-protos.h
336 (mips_small_register_classes_for_mode_p): Delete prototype.
338 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
340 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
341 * config/arm/arm.c (multiple_operation_profitable_p,
342 compute_offset_order): New static functions.
343 (load_multiple_sequence, store_multiple_sequence): Use them.
344 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
345 memory offsets, not register numbers.
346 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
348 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
350 * stor-layout.c (pending_sizes): Change the type to
352 (get_pending_sizes, put_pending_size, put_pending_sizes):
353 Update the uses of pending_sizes.
354 * c-decl.c (store_parm_decls): Likewise.
355 * c-tree.h (struct c_arg_info): Likewise.
356 * tree.h: Update the prototype for get_pending_sizes and
359 2010-05-05 Jason Merrill <jason@redhat.com>
362 * c-common.c (handle_aligned_attribute): Respect
363 ATTR_FLAG_TYPE_IN_PLACE.
366 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
367 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
368 (TARGET_INITIALIZER): Use it.
369 * c-common.c (attribute_takes_identifier_p): Call it.
370 * c-common.h: Update prototype.
371 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
372 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
374 2010-05-05 Jakub Jelinek <jakub@redhat.com>
377 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
378 DW_ID_down_case for Fortran compilation units.
380 2010-05-05 Jan Hubicka <jh@suse.cz>
382 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
385 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
387 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
388 a variable-sized RESULT_DECL.
390 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
392 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
394 2010-05-05 Jason Merrill <jason@redhat.com>
397 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
399 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
401 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
402 Jakub Jelinek <jakub@redhat.com>
405 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
406 (dead_debug_init, dead_debug_finish): New functions.
407 (dead_debug_add, dead_debug_insert_before): Likewise.
408 (df_note_bb_compute): Initialize a dead_debug object, add dead
409 debug uses to it, insert debug bind insns before death insns,
410 reset debug insns that refer to pending uses at the end.
411 * rtl.h (make_debug_expr_from_rtl): New prototype.
412 * varasm.c (make_debug_expr_from_rtl): New function.
414 2010-05-05 Jan Hubicka <jh@suse.cz>
416 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
417 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
418 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
419 lto_varpool_encoder_encode_initializer_p,
420 lto_set_varpool_encoder_encode_initializer): New functions.
421 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
423 (input_varpool_node): Do not always set analyzed.
424 (input_cgraph_1): Return vector of cgraph nodes.
425 (input_varpool_1): Return vector of varpools.
426 (input_cgraph): Free the vectors.
427 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
428 output only initializers needed.
429 (lto_output): Only call output_cgraph.
430 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
431 * lto-section-out.c (lto_new_out_decl_state): Initialize
432 state->varpool_node_encoder.
433 * lto-streamer.h (lto_varpool_encoder_d): New.
434 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
435 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
436 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
437 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
438 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
440 (output_varpool, input_varpool): Remove declarations.
442 2010-05-05 Jan Hubicka <jh@suse.cz>
444 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
445 with body can prevail.
447 2010-05-05 Jan Hubicka <jh@suse.cz>
449 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
452 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
454 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
457 * gengtype.h (erro_at_line): Constify pos argument.
459 * gengtype.c: Include hashtab.h.
460 (enum gc_used): Document GC_MAYBE_POINTED_TO.
461 (error_at_line): Constify pos argument.
462 (do_typedef): Initialize p->opt field.
463 (get_file_gtfilename): Fix comment typo.
464 (struct walk_type_data): Constify line field.
465 (get_output_file_for_structure): New function.
466 (write_local_func_for_structure): Constify orig_s argument.
467 Use get_output_file_for_structure.
468 (write_func_for_structure): Use get_output_file_for_structure.
469 (INDENT): New define.
470 (dump_pair, dump_type, dump_type_list, dump_typekind)
471 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
472 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
474 (seen_types): New variable.
475 (main): New variable do_dump. Process "-d" command line option.
476 Call dump_everything if dump requested.
478 2010-05-05 Jakub Jelinek <jakub@redhat.com>
480 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
481 in a temporary instead of invoking the macro multiple times.
482 (track_expr_p): Likewise.
484 2010-05-04 Neil Vachharajani <nvachhar@google.com>
486 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
488 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
489 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
490 conditions for printing notes.
491 * common.opt (-Wcoverage-mismatch): Allow negative, default to
492 true, update documentation.
493 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
495 2010-05-04 Jakub Jelinek <jakub@redhat.com>
498 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
501 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
504 * config/i386/i386.md (sse_prologue_save): Add clobber CC
506 (*sse_prologue_save_insn1): Likewise.
507 (SSE prologue save splitter): Likewise.
509 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
511 * tree.c (free_lang_data_in_one_sizepos): New inline function.
512 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
513 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
514 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
515 all decls. Call it on DECL_FIELD_OFFSET of fields.
516 (find_decls_types_r): Follow DECL_VALUE_EXPR.
517 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
519 2010-05-04 Martin Jambor <mjambor@suse.cz>
521 * tree-sra.c (build_access_from_expr_1): The first parameter type
522 changed to simple tree.
523 (build_access_from_expr): Likewise, gsi parameter was eliminated.
524 (scan_assign_result): Renamed to assignment_mod_result, enum elements
526 (build_accesses_from_assign): Removed all parameters except for a
527 simple gimple statement. Now returns a simple bool.
528 (scan_function): All non-analysis parts moved to separate functions
529 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
530 parameters and updated both callers.
531 (sra_modify_expr): Removed parameter data.
532 (sra_modify_function_body): New function.
533 (perform_intra_sra): Call sra_modify_function_body to modify the
535 (replace_removed_params_ssa_names): Parameter data changed into
537 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
538 changed the parameter dont_convert to convert with the opposite
540 (sra_ipa_modify_assign): Parameter data changed into adjustments
541 vector, return value changed to bool.
542 (ipa_sra_modify_function_body): New function.
543 (sra_ipa_reset_debug_stmts): Updated a comment.
544 (modify_function): Use ipa_sra_modify_function_body to modify function
547 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
550 * alias.c (true_dependence): Handle the same VALUE in x and mem.
551 (canon_true_dependence): Likewise.
552 (write_dependence_p): Likewise.
554 2010-05-04 Jan Hubicka <jh@suse.cz>
556 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
557 * cgraphbuild.c: Include ipa-utils.h
558 (record_reference_ctx): New struct.
559 (record_reference): Simplify to work on initializers; not statements.
560 (mark_address, mark_load, mark_store): New.
561 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
563 (record_references_in_initializer): Update use of record_reference.
564 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
567 2010-05-04 Jan Hubicka <jh@suse.cz>
569 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
570 node will be removed anyway.
571 (lto_varpool_replace_node): Allow also unanalyzed nodes;
572 relink aliases of node into prevailing node.
573 * varpool.c (varpool_remove_node): Remove aliases properly;
574 when removing node, remove all its aliases too; remove DECL_INITIAL
575 of removed node; ggc_free the varpool node.
577 2010-05-04 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/43879
580 * tree-ssa-structalias.c (alias_get_name): Use
581 DECL_ASSEMBLER_NAME if available.
582 (create_function_info_for): Return the varinfo node.
583 (ipa_pta_execute): Associate same-body aliases and extra names
584 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
586 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
588 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
591 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
594 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
595 only if HONOR_REG_ALLOC_ORDER is not defined.
597 2010-05-04 Richard Guenther <rguenther@suse.de>
599 PR tree-optimization/43949
600 * tree-vrp.c (extract_range_from_binary_expr): Only handle
603 2010-04-26 Jason Merrill <jason@redhat.com>
605 * c.opt (-fstrict-enums): New.
606 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
608 2010-05-03 David Ung <davidu@mips.com>
609 James E. Wilson <wilson@codesourcery.com>
611 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
612 emit the trap instruction before the divide for TUNE_74K.
614 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
616 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
617 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
618 based on the above, for new target hook.
620 * hooks.c (hook_bool_mode_true): New generic hook.
621 * hooks.h (hook_bool_mode_true): Add prototype.
623 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
625 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
626 target hook, set to hook_bool_mode_false.
627 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
628 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
629 with targetm.small_register_classes_for_mode_p.
630 (find_reusable_reload): Likewise.
631 (combine_reloads): Likewise.
632 * reload1.c (reload_as_needed): Likewise.
633 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
634 * ifcvt.c (noce_process_if_block, check_cond_move_block,
635 dead_or_predicable): Likewise.
636 * regmove.c (optimize_reg_copy_1): Likewise.
637 * calls.c (prepare_call_address): Likewise.
638 (precompute_register_parameters): Likewise.
640 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
642 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
643 implementation of the hook that considers all register classes
644 small except for SH64.
645 (sh_override_options): Use the new hook.
646 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
649 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
651 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
652 implementation of the hook that considers all register classes
654 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
657 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
659 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
660 implementation of the hook that considers all register classes
662 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
665 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
667 * config/m32c/m32c.h: Likewise.
668 * config/pdp11/pdp11.h: Likewise.
669 * config/avr/avr.h: Likewise.
670 * config/xtensa/xtensa.h: Likewise.
671 * config/m68hc11/m68hc11.h: Likewise.
672 * config/mn10300/mn10300.h: Likewise.
673 * config/mcore/mcore.h: Likewise.
674 * config/h8300/h8300.h: Likewise.
675 * config/bfin/bfin.h: Likewise.
677 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
678 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
680 2010-05-03 Anatoly Sokolov <aesok@post.ru>
682 * double-int.h (tree_to_double_int): Remove macro.
683 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
684 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
685 (tree_to_double_int): New function.
686 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
688 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
690 2010-05-03 Richard Guenther <rguenther@suse.de>
692 PR tree-optimization/43971
693 * tree-ssa-structalias.c (get_constraint_for_1): Fix
694 constraints in the !flag_delete_null_pointer_checks case.
696 2010-05-03 Jakub Jelinek <jakub@redhat.com>
699 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
700 result mode matches original rtl mode.
702 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
705 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
707 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
709 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
710 when processing flag options.
712 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
714 * gcov-iov.c (main): Change format string placeholder
715 from %#08x to 0x%08x.
716 * genchecksum.c (dosum): Change format string placeholder
717 from %#02x to 0x%02x.
719 2010-05-02 Richard Guenther <rguenther@suse.de>
721 PR tree-optimization/43879
722 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
724 2010-05-02 Bruno Haible <bruno@clisp.org>
726 * doc/extend.texi (Function Attributes): Fix a typo.
728 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
731 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
732 placeholder from 0x%x to %#x.
733 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
734 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
735 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
736 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
737 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
738 * config/i386/i386.c (ix86_target_string): Ditto.
739 * config/i386/i386.c (output_pic_addr_const): Ditto.
740 (print_operand): Ditto.
742 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
744 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
745 placeholder from 0x%x to %#x.
746 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
747 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
748 (ASM_OUTPUT_DEBUG_DATA): Ditto.
749 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
750 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
751 * optc-gen.awk: Ditto.
752 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
753 (HOST_WIDE_INT_PRINT_HEX): Ditto.
754 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
755 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
757 2010-05-01 Anatoly Sokolov <aesok@post.ru>
759 * target.h (struct calls): Add function_value_regno_p field.
760 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
761 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
762 * targhooks.c (default_function_value_regno_p): New function.
763 * targhooks.h (default_function_value_regno_p): Declare function.
764 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
765 * builtins.c. (apply_result_size): (Ditto.).
766 * combine.c. (likely_spilled_retval_p): (Ditto.).
767 * mode-switching.c. Include 'target.h'.
768 (create_pre_exit): Use function_value_regno_p hook.
769 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
770 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
771 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
773 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
774 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
775 (ix86_function_value_regno_p): Declare as static, change argument
776 type to const unsigned int.
777 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
779 2010-05-01 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/43949
782 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
784 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
786 2010-05-01 Anatoly Sokolov <aesok@post.ru>
788 * rtl.h (CONST_DOUBLE_P): Define.
789 (rtx_to_double_int): Declare.
790 * emit-rtl.c (rtx_to_double_int): New function.
791 * dwarf2out.c (insert_double): New function.
792 (loc_descriptor, add_const_value_attribute): Clean up, use
793 rtx_to_double_int and insert_double functions.
795 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
797 * doc/extend.texi (Inline): Add missing return keyword to examples.
798 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
801 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
803 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
804 the variable part of the offset as well. Use highest_pow2_factor for
805 all alignment checks.
807 2010-04-30 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/43879
810 * tree-ssa-structalias.c (type_could_have_pointers): Functions
813 2010-04-30 Jan Hubicka <jh@suse.cz>
815 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
817 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
819 2010-04-30 Jan Hubicka <jh@suse.cz>
821 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
823 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
824 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
825 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
826 cgraph_node_set_needs_ltrans_p): Remove.
828 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
830 * sdbout.c: Include vec.h, do not include varray.h.
831 (deferred_global_decls, sdbout_global_decl,
832 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
833 * toplev.c: Do not include varray.h.
834 (dump_memory_report): Do not dump VARRAY statistics.
835 * gengtype.c (open_base_file): Ignore varray.h.
836 * Makefile.in: Update for abovementioned changes.
837 Remove all traces of varray.c and varray.h.
838 * varray.c: Remove file.
839 * varray.h: Remove file.
841 2010-04-30 Jan Hubicka <jh@suse.cz>
843 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
846 2010-04-30 Jan Hubicka <jh@suse.cz>
848 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
851 2010-04-30 Richard Guenther <rguenther@suse.de>
853 * tree-ssa-structalias.c (get_constraint_for_1): Generate
854 constraints for CONSTRUCTOR.
856 2010-04-30 Richard Guenther <rguenther@suse.de>
859 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
860 first after all lowering passes.
862 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
864 * toplev.c: Include varray.h for statistics dumping.
865 * tree.h: Do not declare varray_head_tag.
866 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
867 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
868 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
869 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
870 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
871 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
872 c-common.c, c-common.h, reg-stack.c, basic-block.h,
873 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
875 * Makefile.in: Update for abovementioned changes.
877 2010-04-30 Jakub Jelinek <jakub@redhat.com>
880 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
882 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
884 * config/picochip/picochip.c (picochip_legitimize_address): Define.
885 Use this function to do machine-specific conversion.
886 (picochip_legitimize_reload_address): Likewise.
887 (picochip_legitimate_address_p): Check valid base register only if
889 (picochip_check_conditional_copy): Check for modw only if opnd is
891 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
892 to call the function in c.
893 * config/picochip/picochip-protos.h
894 (picochip_legitimize_reload_address): Define.
895 * config/picochip/picochip.md (supported_compare1): Define.
897 2010-04-30 Jan Hubicka <jh@suse.cz>
899 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
900 (cgraph_global_info): Remove inlined.
901 (LTO_cgraph_tag_names): Remove.
902 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
903 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
904 simplify cgraph tags and document.
905 (lto_output_node): Use only LTO_cgraph_unavail_node and
906 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
907 for_functions_valid, global info, process and output flags.
908 (input_overwrite_node): Initialize estimated stack size and
909 estimated growth. Do not read flags we no longer store.
910 (input_node): Likewise do not read info no longer stored.
911 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
914 2010-04-30 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/43879
917 * tree-ssa-structalias.c (get_constraint_for_1): Properly
918 handle non-zero initializers.
920 2010-04-30 Richard Guenther <rguenther@suse.de>
922 * builtins.c (fold_builtin_1): Delete free (0).
924 2010-04-29 Jan Hubicka <jh@suse.cz>
926 * gengtype.c (open_base_files): Add lto-streamer.h
927 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
928 (pass_ipa_cp): GGC collect.
929 * toplev. (compile_file): Do not output symbols.
930 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
931 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
932 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
933 * lto-section-in.c: Include ggc.h
934 (lto_new_in_decl_state): Alloc in GGC.
935 (lto_delete_in_decl_state): Likewise.
936 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
939 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
942 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
943 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
944 (HONOR_REG_ALLOC_ORDER): Describe new macro.
945 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
946 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
947 account only if HONOR_REG_ALLOC_ORDER is not defined.
948 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
949 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
951 2010-04-29 Jon Grant <04@jguk.org>
953 * collect2.c (vflag): Change type from int to bool.
955 (helpflag): New global bool.
956 (main): Set vflag and debug with boolean, not integer truth values.
957 Accept new "--help" option and output usage text if found.
958 * collect2.h (vflag): Update prototype.
961 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
964 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
966 2010-04-29 Richard Guenther <rguenther@suse.de>
969 * plugin.h (invoke_plugin_callbacks): Annotate arguments
970 with ATTRIBUTE_UNUSED.
972 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
975 * config/i386/i386.c (get_some_local_dynamic_name): Replace
976 INSN_P with NONDEBUG_INSN_P.
977 (distance_non_agu_define): Likewise.
978 (distance_agu_use): Likewise.
980 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
982 From Dominique d'Humieres <dominiq@lps.ens.fr>
984 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
987 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
989 * plugin.h (invoke_plugin_callbacks): New inline function.
990 * plugin.c (flag_plugin_added): New global flag.
991 (add_new_plugin): Initialize above flag.
992 (invoke_plugin_callbacks): Rename to ...
993 (invoke_plugin_callbacks_full): ... this.
995 2010-04-28 Jan Hubicka <jh@suse.cz>
997 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
998 (lto_varpool_replace_node): New.
999 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1000 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1001 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1002 * cgraph.h (varpool_node_ptr): New type.
1003 (varpool_node_ptr): New vector.
1004 (varpool_node_set_def): New structure.
1005 (varpool_node_set): New type.
1006 (varpool_node_set): New vector.
1007 (varpool_node_set_element_def): New structure.
1008 (varpool_node_set_element, const_varpool_node_set_element): New types.
1009 (varpool_node_set_iterator): New type.
1010 (varpool_node): Add prev pointers, add used_from_other_partition,
1012 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1013 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1014 varpool_get_node, varpool_remove_node): Declare.
1015 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1016 varpool_node_set_size): New inlines.
1017 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1018 * tree-pass.h (varpool_node_set_def): Forward declare.
1019 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1020 (ipa_write_optimization_summaries): Update prototype.
1021 * ipa-cp.c (ipcp_write_summary): Update.
1022 * ipa-reference.c (ipa_reference_write_summary): Update.
1023 * lto-cgraph.c (lto_output_varpool_node): New static function.
1024 (output_varpool): New function.
1025 (input_varpool_node): New static function.
1026 (input_varpool_1): New function.
1027 (input_cgraph): Input varpool.
1028 * ipa-pure-const.c (pure_const_write_summary): Update.
1029 * lto-streamer-out.c (lto_output): Update, output varpool too.
1030 (write_global_stream): Kill WPA hack.
1031 (produce_asm_for_decls): Update.
1032 (output_alias_pair_p): Handle variables.
1033 (output_unreferenced_globals): Output only needed partition of varpool.
1034 * ipa-inline.c (inline_write_summary): Update.
1035 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1037 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1038 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1039 varpool_node_set_new, varpool_node_set_add,
1040 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1041 debug_varpool_node_set): New functions.
1042 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1043 (execute_one_pass): Process new decls too.
1044 (ipa_write_summaries_2): Pass around vsets.
1045 (ipa_write_summaries_1): Likewise.
1046 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1048 (ipa_write_optimization_summaries_1): Pass around vsets.
1049 (ipa_write_optimization_summaries): Likewise.
1050 * varpool.c (varpool_get_node): New.
1051 (varpool_node): Update doubly linked lists.
1052 (varpool_remove_node): New.
1053 (dump_varpool_node): More dumping.
1054 (varpool_enqueue_needed_node): Update doubly linked lists.
1055 (decide_is_variable_needed): Kill ltrans hack.
1056 (varpool_finalize_decl): Kill lto hack.
1057 (varpool_assemble_decl): Skip decls in other partitions.
1058 (varpool_assemble_pending_decls): Update doubly linkes lists.
1059 (varpool_empty_needed_queue): Likewise.
1060 (varpool_extra_name_alias): Likewise.
1061 * lto-streamer.c (lto_get_section_name): Add vars section.
1062 * lto-streamer.h (lto_section_type): Update.
1063 (output_varpool, input_varpool): Declare.
1065 2010-04-28 Mike Stump <mikestump@comcast.net>
1067 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1069 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1071 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1072 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1073 (lto_input_ts_type_tree_pointers): Likewise.
1074 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1075 (lto_output_ts_type_tree_pointers): Likewise.
1077 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1079 Uniquization of constants at the Tree level
1080 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1081 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1083 (tree_output_constant_def): Declare.
1084 * gimplify.c (gimplify_init_constructor): When using block copy, first
1085 uniquize the constant constructor on the RHS.
1086 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1087 DECL_IN_CONSTANT_POOL flag.
1088 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1089 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1091 (assemble_variable): Deal with symbols belonging to the tree constant
1093 (get_constant_section): Add ALIGN parameter and simplify.
1094 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1095 (assemble_constant_contents): Use the expression of the VAR_DECL.
1096 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1097 (tree_output_constant_def): New global function.
1098 (mark_constant): Use the expression of the VAR_DECL.
1099 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1101 (output_object_block): Likewise and assemble the expression.
1103 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1105 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1106 hash_tree, eq_tree): New tree hash table.
1107 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1108 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1109 lto_orig_address_remove): Reimplement.
1111 2010-04-28 Xinliang David Li <davidxl@google.com>
1114 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1115 (compute_uninit_opnds_pos): New function.
1116 (is_non_loop_exit_postdominating): New function.
1117 (compute_control_dep_chain): New function.
1118 (find_pdom): New function.
1119 (convert_control_dep_chain_into_preds): New function.
1120 (find_predicates): New function.
1121 (find_control_equiv_block): New function.
1122 (collect_phi_def_edges): New function.
1123 (find_def_preds): New function.
1124 (find_dom): New function.
1125 (dump_predicates): New function.
1126 (get_cmp_code): New function.
1127 (is_value_included_in): New function.
1128 (find_matching_predicate_in_rest_chains): New function.
1129 (use_pred_not_overlap_with_undef_path_pred): New function.
1130 (is_use_properly_guarded): New function.
1131 (normalize_cond_1): New function.
1132 (is_and_or_or): New function.
1133 (normalize_cond): New function.
1134 (is_gcond_subset_of): New function.
1135 (is_subset_of_any): New function.
1136 (is_or_set_subset_of): New function.
1137 (is_and_set_subset_of): New function.
1138 (is_norm_cond_subset_of): New function.
1139 (is_pred_expr_subset_of): New function.
1140 (is_pred_chain_subset_of): New function.
1141 (is_included_in): New function.
1142 (is_superset_of): New function.
1143 (find_uninit_use): New function.
1144 (warn_uninitialized_phi): New function.
1145 (compute_possibly_undefined_names): New function.
1146 (ssa_undefined_value_p): New function.
1147 (execute_late_warn_uninitialized): New function.
1148 * tree-ssa.c (ssa_undefined_value_p): Removed.
1149 (warn_uninit): Changed to extern.
1150 (warn_uninitialized_phi): Removed.
1151 (warn_uninitialized_vars): Changed to extern.
1152 (execute_late_warn_uninitialized): Removed
1153 * tree-flow.h: Add new prototypes.
1154 * timevar.def: Add new time variable.
1155 * Makefile.in: Add new build file.
1157 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1159 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1162 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1165 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1167 2010-04-28 Martin Jambor <mjambor@suse.cz>
1169 * cgraph.h (struct cgraph_node): New field indirect_calls.
1170 (struct cgraph_indirect_call_info): New type.
1171 (struct cgraph_edge): Removed field indirect_call. New fields
1172 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1173 (cgraph_create_indirect_edge): Declare.
1174 (cgraph_make_edge_direct): Likewise.
1175 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1176 * ipa-prop.h (struct ipa_param_call_note): Removed.
1177 (struct ipa_node_params): Removed field param_calls.
1178 (ipa_create_all_structures_for_iinln): Declare.
1179 * cgraph.c: Described indirect edges and uids in initial comment.
1180 (cgraph_add_edge_to_call_site_hash): New function.
1181 (cgraph_edge): Search also among the indirect edges, use
1182 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1183 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1184 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1186 (initialize_inline_failed): Assign a reason to indirect edges.
1187 (cgraph_create_edge_1): New function.
1188 (cgraph_create_edge): Moved some functionality to
1189 cgraph_create_edge_1.
1190 (cgraph_create_indirect_edge): New function.
1191 (cgraph_edge_remove_callee): Add an assert checking for
1193 (cgraph_edge_remove_caller): Special-case indirect edges.
1194 (cgraph_remove_edge): Likewise.
1195 (cgraph_set_edge_callee): New function.
1196 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1197 (cgraph_make_edge_direct): New function.
1198 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1199 the declaration of the call statement matches.
1200 (cgraph_node_remove_callees): Special-case indirect edges.
1201 (cgraph_clone_edge): Likewise.
1202 (cgraph_clone_node): Clone also the indirect edges.
1203 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1204 indirect_call, dump count of indirect_calls edges.
1205 * ipa-prop.c (iinlining_processed_edges): New variable.
1206 (ipa_note_param_call): Create indirect edges instead of
1207 creating notes. New parameter node.
1208 (ipa_analyze_call_uses): New parameter node, pass it on to
1209 ipa_note_param_call.
1210 (ipa_analyze_stmt_uses): Likewise.
1211 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1212 (print_edge_addition_message): Work on edges rather than on notes.
1213 (update_call_notes_after_inlining): Likewise, renamed to
1214 update_indirect_edges_after_inlining.
1215 (ipa_create_all_structures_for_iinln): New function.
1216 (ipa_free_node_params_substructures): Do not free notes.
1217 (ipa_edge_duplication_hook): Propagate bits within
1218 iinlining_processed_edges bitmap.
1219 (ipa_node_duplication_hook): Do not duplicate notes.
1220 (free_all_ipa_structures_after_ipa_cp): Renamed to
1221 ipa_free_all_structures_after_ipa_cp.
1222 (free_all_ipa_structures_after_iinln): Renamed to
1223 ipa_free_all_structures_after_iinln.g
1224 (ipa_write_param_call_note): Removed.
1225 (ipa_read_param_call_note): Removed.
1226 (ipa_write_indirect_edge_info): New function.
1227 (ipa_read_indirect_edge_info): Likewise.
1228 (ipa_write_node_info): Do not stream notes, do stream information
1230 (ipa_read_node_info): Likewise.
1231 (lto_ipa_fixup_call_notes): Removed.
1232 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1233 * ipa-inline.c (pass_ipa_inline): Likewise.
1234 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1235 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1236 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1238 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1240 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1241 (output_cgraph): Stream also indirect edges.
1242 (lto_output_edge): Added capability to stream indirect edges.
1243 (input_edge): Likewise.
1244 (input_cgraph_1): Likewise.
1245 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1248 2010-04-28 Richard Guenther <rguenther@suse.de>
1250 PR tree-optimization/43879
1251 PR tree-optimization/43909
1252 * tree-ssa-structalias.c (struct variable_info): Add
1253 only_restrict_pointers flag.
1254 (new_var_info): Initialize it. Increment stats.total_vars here.
1255 (create_function_info_for): Do not increment stats.total_vars
1257 (get_function_part_constraint): Fix build with C++.
1258 (insert_into_field_list): Remove.
1259 (push_fields_onto_fieldstack): Properly merge fields.
1260 (create_variable_info_for): Split and simplify.
1261 (create_variable_info_for_1): New piece.
1262 (intra_create_variable_infos): Properly make restrict constraints
1265 2010-04-28 Richard Guenther <rguenther@suse.de>
1268 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1270 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1271 Jan Hubicka <hubicka@ucw.cz>
1273 * doc/invoke.texi (-Wsuggest-attribute=const,
1274 -Wsuggest-attribute=pure): Document.
1275 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1276 (function_always_visible_to_compiler_p,
1277 suggest_attribute, warn_function_pure, warn_function_const):
1279 (check_call): Improve debug info.
1280 (analyze_function): Do not check availability.
1281 (add_new_function): Check availability.
1282 (propagate): Output warnings.
1283 (skip_function_for_local_pure_const): New function.
1284 (local_pure_const): Use it; output warnings.
1285 * common.opt (Wsuggest-attribute=const,
1286 Wsuggest-attribute=pure): New.
1288 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1290 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1291 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1292 or DW_CFA_def_cfa_offset{,_sf}.
1294 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1296 * tree.h: Fix truncated long macros.
1298 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1300 * collect2.c (TARGET_64BIT): Redefine to target's default.
1301 * tlink.c: Likewise.
1302 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1303 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1304 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1305 for underscoring __USER_LABEL_PREFIX__.
1306 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1307 (SUB_LINK_ENTRY32): New.
1308 (SUB_LINK_ENTRY64): New.
1309 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1310 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1311 (SUB_LINK_ENTRY64): New.
1312 (SUB_LINK_ENTRY): New.
1313 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1314 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1315 x64 target is choosen.
1316 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1317 * configure: Regenerated.
1318 * configure.ac (leading-mingw64-underscores): Option added.
1320 2010-04-27 Jan Hubicka <jh@suse.cz>
1322 * doc/invoke.texi (-fipa-profile): Document.
1323 * opts.c (decode_options): Enable ipa-profile at -O1.
1324 * timevar.def (TV_IPA_PROFILE): Define.
1325 * common.opt (fipa-profile): Add.
1326 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1328 (cgraph_propagate_frequency): Handle only local ones.
1329 * tree-pass.h (pass_ipa_profile): Declare.
1330 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1331 (pass_ipa_profile): Use TV_IPA_PROFILE.
1332 * ipa.c (ipa_profile): New function.
1333 (gate_ipa_profile): Likewise.
1334 (pass_ipa_profile): New global variable.
1335 * passes.c (pass_ipa_profile): New.
1337 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1339 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1341 2010-04-27 Martin Jambor <mjambor@suse.cz>
1344 * ipa.c (dissolve_same_comdat_group_list): New function.
1345 (function_and_variable_visibility): Call
1346 dissolve_same_comdat_group_list when comdat group contains external or
1348 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1349 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1351 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1353 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1354 (const_hash_1) <VECTOR_CST>: New case.
1355 (compare_constant) <VECTOR_CST>: Likewise.
1356 <ADDR_EXPR>: Deal with LABEL_REFs.
1357 (copy_constant) <VECTOR_CST>: New case.
1359 2010-04-27 Jan Hubicka <jh@suse.cz>
1361 * cgraph.c (cgraph_propagate_frequency): New function.
1362 * cgraph.h (cgraph_propagate_frequency): Declare.
1363 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1364 cgraph_propagate_frequency.
1366 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1368 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1370 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1373 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1374 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1375 here to determine which regs to push and how much stack to reserve.
1377 2010-04-27 Jie Zhang <jie@codesourcery.com>
1379 * doc/gimple.texi (gimple_statement_with_ops): Remove
1380 addresses_taken field.
1381 (gimple_statement_with_memory_ops): Likewise.
1383 2010-04-27 Jan Hubicka <jh@suse.cz>
1385 * tree-inline.c (eni_inlining_weights): Remove.
1386 (estimate_num_insns): Special case more builtins.
1388 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1391 * c-typeck.c (build_binary_op): Move forward check for comparison
1392 pointer with null pointer constant and adjust the diagnostic message.
1394 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1397 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1398 binutils supports extended .section directive needed by LTO, or
1399 warn if older binutils found.
1400 (LTO_BINARY_READER): New AC_SUBST'd variable.
1401 (LTO_USE_LIBELF): Likewise.
1402 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1404 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1405 (LTO_USE_LIBELF): Likewise.
1406 * configure: Regenerate.
1408 * collect2.c (is_elf): Rename from this ...
1409 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1410 object files in addition to ELF-formatted ones.
1411 (scan_prog_file): Caller updated. Also allow for LTO info marker
1412 symbol to be prefixed or not by an extra underscore.
1414 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1415 * config/i386/winnt.c: Also #include lto-streamer.h
1416 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1418 (i386_pe_asm_output_aligned_decl_common): Add comment.
1419 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1421 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1424 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1425 Add missing earlyclobber for second alternative.
1427 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1429 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1430 bits for artificial defs at the top of the block.
1431 * fwprop.c (single_def_use_enter_block): Don't call it.
1433 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1436 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1437 instead of "$gcc_cv_objdump -T".
1438 Use "-undefined dynamic_lookup" on darwin.
1439 * gcc/configure: Regenerate.
1441 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1444 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1446 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1448 * c-parser.c (struct c_token): Move location field up.
1449 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1450 (struct c_declspecs): Convert typespec_word, storage_class, and
1451 default_int_p into bitfields.
1452 (struct c_declarator): Move loc field up.
1454 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1456 * cfgloop.h (struct loop): Move can_be_parallel field up.
1457 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1458 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1460 (struct iv_cand): Convert pos field into a bitfield.
1461 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1463 (struct _stmt_vec_info): Shuffle fields for better packing.
1465 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1467 * varasm.c (IN_NAMED_SECTION): Remove guard.
1468 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1469 (IN_NAMED_SECTION_P): ...this.
1470 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1471 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1473 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1475 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1476 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1477 of shadowing it. Fix comments.
1479 2010-04-26 Jan Hubicka <jh@suse.cz>
1481 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1482 (cgraph_clone_node): Copy function frequency.
1483 * cgraph.h (node_frequency): New enum
1484 (struct cgraph_node): Add.
1485 * final.c (rest_of_clean_state): Update.
1486 * lto-cgraph.c (lto_output_node): Output node frequency.
1487 (input_overwrite_node): Input node frequency.
1488 * tre-ssa-loop-ivopts (computation_cost): Update.
1489 * lto-streamer-out.c (output_function): Do not output function
1491 * predict.c (maybe_hot_frequency_p): Update and handle functions
1493 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1495 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1496 (compute_function_frequency): Set noreturn functions to be executed
1498 (choose_function_section): Update.
1499 * lto-streamer-in.c (input_function): Do not input function frequency.
1500 * function.c (allocate_struct_function): Do not initialize function
1502 * function.h (function_frequency): Remove.
1503 (struct function): Remove function frequency.
1504 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1505 (try_update): Update.
1506 * tree-inline.c (initialize_cfun): Do not update function frequency.
1507 * passes.c (pass_init_dump_file): Update.
1508 * i386.c (ix86_compute_frame_layout): Update.
1509 (ix86_pad_returns): Update.
1511 2010-04-26 Jie Zhang <jie@codesourcery.com>
1513 PR tree-optimization/43833
1514 * tree-vrp.c (range_int_cst_p): New.
1515 (range_int_cst_singleton_p): New.
1516 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1517 when both operands are constants. Use range_int_cst_p in
1520 2010-04-26 Jan Hubicka <jh@suse.cz>
1522 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1524 2010-04-26 Richard Guenther <rguenther@suse.de>
1527 * gimple.c (gimple_decl_printable_name): Deal gracefully
1528 with a NULL DECL_NAME.
1530 2010-04-26 Richard Guenther <rguenther@suse.de>
1533 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1534 if emitting debug information and it is either a function
1535 or a namespace decl.
1537 2010-04-26 Ira Rosen <irar@il.ibm.com>
1539 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1540 determine if the statement is vectorizable, and a macro to access it.
1541 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1542 Skip statements that can't be vectorized. If the analysis fails,
1543 mark the statement as unvectorizable if vectorizing basic block.
1544 (vect_compute_data_refs_alignment): Likewise.
1545 (vect_verify_datarefs_alignment): Skip statements marked as
1546 unvectorizable. Add print.
1547 (vect_analyze_group_access): Skip statements that can't be
1548 vectorized. If the analysis fails, mark the statement as
1549 unvectorizable if vectorizing basic block.
1550 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1551 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1552 generated stmts for SLP.
1553 (new_stmt_vec_info): Initialize the new field.
1554 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1555 statements marked as unvectorizable.
1557 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1559 * c-common.c (flag_isoc1x): New.
1560 (flag_isoc99): Update comment.
1561 * c-common.h (flag_isoc1x): New.
1562 (flag_isoc99): Update comment.
1563 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1564 __<type>_DECIMAL_DIG__.
1565 * c-opts.c (set_std_c1x): New.
1566 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1567 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1568 * c.opt (-std=c1x, -std=gnu1x): New options.
1569 * doc/cpp.texi: Mention -std=c1x.
1570 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1571 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1572 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1573 * doc/standards.texi: Mention C1X.
1574 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1575 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1576 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1579 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1581 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1582 placeholder from 0x%x to %#x.
1583 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1584 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1585 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1586 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1587 * config/i386/i386.c (ix86_target_string): Ditto.
1588 (output_pic_addr_const): Ditto.
1589 (print_operand): Ditto.
1591 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1593 * combine.c (find_split_point): Add third argument. Use it
1594 to find nested multiply-accumulate instructions. Adjust calls.
1595 (try_combine): Adjust call to find_split_point.
1597 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1599 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1601 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1603 PR tree-optimization/41442
1604 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1605 (fold_binary_loc): Call it.
1607 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1609 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1610 * opts.c (common_handle_option): Allow disabling it.
1611 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1613 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1615 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1616 between modes if both types are integral.
1618 2010-04-23 Richard Guenther <rguenther@suse.de>
1620 PR tree-optimization/43572
1621 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1623 2010-04-23 Richard Guenther <rguenther@suse.de>
1626 * tree-inline.c (tree_can_inline_p): Also check compatibility
1629 2010-04-23 Martin Jambor <mjambor@suse.cz>
1631 PR tree-optimization/43846
1632 * tree-sra.c (struct access): New flag grp_assignment_read.
1633 (build_accesses_from_assign): Set grp_assignment_read.
1634 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1635 (enum mark_read_status): New type.
1636 (analyze_access_subtree): Propagate grp_assignment_read, create
1637 accesses also if both direct_read and root->grp_assignment_read.
1639 2010-04-23 Martin Jambor <mjambor@suse.cz>
1642 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1643 function does not have type attributes.
1645 2010-04-23 Richard Guenther <rguenther@suse.de>
1648 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1651 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1653 * sese.h (create_if_region_on_edge): Remove.
1655 * sese.c (create_if_region_on_edge): Make static.
1657 * tree-inline.c: Do not include ggc.h.
1659 * expr.c: Do not include ggc.h.
1661 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1664 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1667 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1668 in the middle of insns for casesi_worker_2.
1670 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1672 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1674 2010-04-22 Ira Rosen <irar@il.ibm.com>
1676 PR tree-optimization/43842
1677 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1678 loop unrolling in update of exit phis. Fix comment.
1679 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1680 least two reduction statements in the loop before starting SLP
1683 2010-04-22 Nick Clifton <nickc@redhat.com>
1685 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1687 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1689 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1692 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1694 * tree-parloops.c (loop_parallel_p): New argument
1695 parloop_obstack. Pass it down.
1696 (parallelize_loops): New variable parloop_obstack. Initialize it,
1697 pass it down, free it.
1699 * tree-loop-linear.c (linear_transform_loops): Pass down
1702 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1703 of type struct obstack *.
1705 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1706 scratch_obstack. Initialize it, pass down, free it.
1708 * lambda.h (lambda_loop_new): Remove.
1709 (lambda_matrix_new, lambda_matrix_inverse)
1710 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1711 argument of type struct obstack *.
1713 * lambda-trans.c (lambda_trans_matrix_new): New argument
1714 lambda_obstack. Pass it down, use obstack allocation for ret.
1715 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1718 * lambda-mat.c (lambda_matrix_get_column)
1719 (lambda_matrix_project_to_null): Remove.
1720 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1722 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1725 * lambda-code.c (lambda_loop_new): New function.
1726 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1727 (lambda_compute_auxillary_space, lambda_compute_target_space)
1728 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1729 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1730 (build_access_matrix): New argument lambda_obstack. Use obstack
1732 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1733 argument lambda_obstack. Pass it down.
1735 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1737 * optabs.h (expand_widening_mult): Declare.
1739 2010-04-22 Richard Guenther <rguenther@suse.de>
1741 PR tree-optimization/43845
1742 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1743 lookup the CALL_EXPR function and arguments.
1745 2010-04-22 Nick Clifton <nickc@redhat.com>
1747 * config/stormy16/stormy16.c
1748 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1749 * config/stormy16/stormy16.h: Tidy up formatting.
1750 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1751 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1752 (ineqbranchsi): Delete pattern.
1753 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1754 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1755 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1756 stormy16-lib2-ucmpsi2.c.
1758 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1760 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1761 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1762 extra set merge_set_noclobber, and use it to relax the final test
1764 * df.h (df_simulate_find_noclobber_defs): Declare.
1765 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1767 (df_simulate_find_noclobber_defs): New function.
1769 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1771 * config/i386/i386.md: Use {} around multi-line preparation statements.
1773 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1775 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1776 (process_init_element): New argument of type struct obstack *.
1778 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1779 (set_init_index, set_init_label, set_nonincremental_init)
1780 (set_nonincremental_init_from_string, find_init_member)
1781 (output_init_element, output_pending_init_elements)
1782 (process_init_element): New argument braced_init_obstack. Pass it
1784 (push_range_stack, add_pending_init): New argument
1785 braced_init_obstack. Use obstack allocation.
1787 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1788 braced_init_obstack. Pass it down.
1789 (c_parser_braced_init): New variables ret, braced_init_obstack.
1790 Initialize obstack, pass it down and finally free it.
1792 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1795 * tree-pass.h (pass_optimize_widening_mul): Declare.
1796 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1797 gate_optimize_widening_mul): New static functions.
1798 (pass_optimize_widening_mul): New.
1799 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1800 <case MULT_EXPR>: Remove support for widening multiplies.
1801 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1802 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1803 simplify_gen_unary rather than directly building extensions.
1804 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1806 * expmed.c (expand_widening_mult): New function.
1807 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1809 2010-04-21 Jan Hubicka <jh@suse.cz>
1811 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1812 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1813 * lto-wpa-fixup.c: Remove.
1814 * Makefile.in (lto-wpa-fixup.o): Remove.
1815 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1816 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1817 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1819 2010-04-21 Jan Hubicka <jh@suse.cz>
1821 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1822 add write_optimization_summary, read_optimization_summary.
1823 (ipa_write_summaries_of_cgraph_node_set): Remove.
1824 (ipa_write_optimization_summaries): Declare.
1825 (ipa_read_optimization_summaries): Declare.
1826 * ipa-cp.c (pass_ipa_cp): Update.
1827 * ipa-reference.c (pass_ipa_reference): Update.
1828 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1829 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1831 * ipa-inline.c (pass_ipa_inline): Update.
1832 * ipa.c (pass_ipa_whole_program): Update.
1833 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1834 * passes.c (ipa_write_summaries_1): Do not test wpa.
1835 (ipa_write_optimization_summaries_1): New.
1836 (ipa_write_optimization_summaries): New.
1837 (ipa_read_summaries): Do not test ltrans.
1838 (ipa_read_optimization_summaries_1): New.
1839 (ipa_read_optimization_summaries): New.
1841 2010-04-21 Jan Hubicka <jh@suse.cz>
1843 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1845 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1847 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1850 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1851 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1853 2010-04-21 Jan Hubicka <jh@suse.cz>
1855 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1857 2010-04-21 Jan Hubicka <jh@suse.cz>
1859 * varpool.c (decide_is_variable_needed): Variable is always needed
1862 2010-04-21 Jan Hubicka <jh@suse.cz>
1864 * opts.c (decode_options): Enable pure-const pass for whopr.
1866 2010-04-21 Jan Hubicka <jh@suse.cz>
1868 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1869 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1871 (cgraph_decide_inlining): Do not expect callee to be removed in all
1874 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1876 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1878 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1880 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1881 amdfam10_decode attributes.
1883 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1886 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1887 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1888 (lower_copyprivate_clauses): Use private var in outer
1889 context instead of original var. Make sure the types
1890 are correct for VLAs.
1892 2010-04-21 Richard Guenther <rguenther@suse.de>
1894 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1895 to non-pointer objects.
1897 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1899 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1900 last chain entry if it starts with the still current label.
1901 (add_location_or_const_value_attribute): Check that
1902 loc_list->first->next is NULL instead of comparing ->first with ->last.
1903 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1904 to add_var_loc_to_decl.
1906 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1907 >= 4 add also address size and segment size fields into CIE header.
1909 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1910 long as address size is the same as sizeof (void *) and
1912 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1913 address size or segment size is unexpected, return DW_EH_PE_omit.
1914 (classify_object_over_fdes): If get_cie_encoding returned
1915 DW_EH_PE_omit, return -1.
1916 (init_object): If classify_object_over_fdes returned -1,
1917 pretend there were no FDEs at all.
1919 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1921 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1922 bswap{si,di}2 using SWI48 mode iterator.
1923 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1924 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1925 set modrm attribute of bswap insn to 0 and remove length attribute.
1926 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1927 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1928 set mode attribute to <MODE> and remove length attribute.
1930 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1932 PR rtl-optimization/43520
1933 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1934 zero available registers.
1936 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1938 * builtins.c (fold_builtin_cproj): Fold more cases.
1940 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1942 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1943 (fold_builtin_1): Fold builtin cproj.
1944 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1945 Use ATTR_CONST_NOTHROW_LIST.
1947 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1949 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1950 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1951 ffsi2_no_cmove for !TARGET_CMOVE.
1952 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1953 (ffssi2): Remove expander.
1954 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1956 (ctz<mode>2): Ditto from ctz{si,di}2.
1957 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1959 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1962 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1964 * dwarf2out.c (AT_linkage_name): Define.
1965 (clone_as_declaration): Handle DW_AT_linkage_name.
1966 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1967 of DW_AT_MIPS_linkage_name.
1968 (move_linkage_attr): Likewise.
1969 (dwarf2out_finish): Likewise.
1971 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1974 * fold-const.c (fold_comparison): New folding rule.
1976 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1978 * double-int.h (double_int_setbit): Declare.
1979 * double-int.c (double_int_setbit): New function.
1980 * rtl.h (immed_double_int_const): Declare.
1981 * emit-rtl.c (immed_double_int_const): New function.
1982 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1983 and immed_double_int_const functions.
1984 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1985 expand_copysign_bit): (Ditto.).
1986 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1987 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1988 * dojump.c (prefer_and_bit_test): (Ditto.).
1989 * expr.c (convert_modes, reduce_to_bit_field_precision,
1990 const_vector_from_tree): (Ditto.).
1991 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1993 2010-04-20 Jan Hubicka <jh@suse.cz>
1995 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1996 (dump_cgraph_node): Dump new flags.
1997 * cgraph.h (struct cgraph_node): Add flags
1998 reachable_from_other_partition and in_other_partition.
1999 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2000 other partition can not be removed.
2001 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2002 the other partition must be output; silence sanity checking on
2003 leaking functions bodies from other paritition.
2004 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2005 (lto_output_node): Output new flags; do not sanity check that inline
2006 clones are output; drop lto_forced_extern_inline_p code; do not mock
2007 visibility flags at partition boundaries.
2008 (add_node_to): New function.
2009 (output_cgraph): Use it to sort functions so masters appear before
2011 (input_overwrite_node): Input new flags.
2012 * passes.c (ipa_write_summaries): Do not call
2013 lto_new_extern_inline_states.
2014 * lto-section-out.c (forced_extern_inline,
2015 lto_new_extern_inline_states lto_delete_extern_inline_states,
2016 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2017 * lto-streamer.h (lto_new_extern_inline_states,
2018 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2019 lto_forced_extern_inline_p): Kill.
2021 2010-04-20 Richard Guenther <rguenther@suse.de>
2023 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2024 from vars that can have pointers.
2025 (process_constraint): Dump useless constraints.
2027 2010-04-20 Richard Guenther <rguenther@suse.de>
2029 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2030 (dump_sa_points_to_info): Remove asserts.
2031 (init_base_vars): nothing_id isn't an escape point nor does it
2034 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2036 * tree.h (TYPE_REF_IS_RVALUE): Define.
2037 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2038 should_move_die_to_comdat, prune_unused_types_walk): Handle
2039 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2040 (modified_type_die, gen_reference_type_die): Emit
2041 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2042 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2044 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2047 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2048 calls for -fpic -m31 if they have been sibcall optimized.
2050 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2052 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2053 ar.lc fixed and call-used.
2055 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2057 2010-04-19 Jan Hubicka <jh@suse.cz>
2059 * opts.c (decode_options): Disable whpr incompatible passes.
2060 * lto/lto.c (lto_1_to_1_map): Skip clones.
2061 (read_cgraph_and_symbols): Do not mark everything as needed.
2062 (do_whole_program_analysis): Do map only after optimizing;
2063 set proper cgraph_state; use passmanager.
2065 2010-04-19 DJ Delorie <dj@redhat.com>
2067 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2068 POINTER_PLUS_EXPR and fix them.
2070 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2072 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2073 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2074 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2075 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2076 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2077 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2078 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2079 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2080 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2081 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2082 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2084 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2086 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2087 (check_cond_move_block): Likewise.
2088 (cond_move_process_if_block): Likewise.
2089 (noce_find_if_block): Improve formatting.
2090 (find_if_header): Pass 0 to memset and tweak conditions.
2091 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2093 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2095 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2099 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2100 with non-local decl doesn't need chain.
2102 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2104 * ira-color.c (allocno_reload_assign): Avoid accumulating
2105 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2107 2010-04-19 Martin Jambor <mjambor@suse.cz>
2109 * gimple.h (create_tmp_reg): Declare.
2110 * gimplify.c (create_tmp_reg): New function.
2111 (gimplify_return_expr): Use create_tmp_reg.
2112 (gimplify_omp_atomic): Likewise.
2113 (gimple_regimplify_operands): Likewise.
2114 * tree-dfa.c (make_rename_temp): Likewise.
2115 * tree-predcom.c (predcom_tmp_var): Likewise.
2116 (reassociate_to_the_same_stmt): Likewise.
2117 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2118 (get_replaced_param_substitute): Likewise.
2119 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2120 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2121 * tree-ssa-pre.c (get_representative_for): Likewise.
2122 (create_expression_by_pieces): Likewise.
2123 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2124 (create_tailcall_accumulator): Likewise.
2126 2010-04-19 Martin Jambor <mjambor@suse.cz>
2128 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2130 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2132 2010-04-19 Richard Guenther <rguenther@suse.de>
2134 PR tree-optimization/43796
2135 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2136 from SCEV in the lattice.
2137 (vrp_visit_phi_node): Dump change.
2139 2010-04-19 Richard Guenther <rguenther@suse.de>
2141 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2142 * configure: Re-generated.
2144 2010-04-19 Richard Guenther <rguenther@suse.de>
2146 PR tree-optimization/43783
2147 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2148 constant ARRAY_REF operands two and three if possible.
2150 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2153 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2155 2010-04-19 Jie Zhang <jie@codesourcery.com>
2158 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2160 2010-04-19 Ira Rosen <irar@il.ibm.com>
2162 PR tree-optimization/37027
2163 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2164 and macro to access it.
2165 (vectorizable_reduction): Add argument.
2166 (vect_get_slp_defs): Likewise.
2167 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2168 statements for possible use in SLP.
2169 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2170 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2171 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2173 (vectorizable_reduction): Likewise.
2174 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2176 (vectorizable_type_demotion, vectorizable_type_promotion,
2177 vectorizable_store): Likewise.
2178 (vect_analyze_stmt): Update call to vectorizable_reduction.
2179 (vect_transform_stmt): Likewise.
2180 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2181 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2182 from different interleaving chains in same node.
2183 (vect_slp_rearrange_stmts): New function.
2184 (vect_supported_load_permutation_p): Allow load permutations for
2185 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2186 inside SLP nodes if necessary.
2187 (vect_analyze_slp_instance): Handle reductions.
2188 (vect_analyze_slp): Try to build SLP instances originating from groups
2190 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2191 (vect_get_constant_vectors): Create initial vectors for reductions
2192 according to reduction code. Add new argument.
2193 (vect_get_slp_defs): Add new argument, pass it to
2194 vect_get_constant_vectors.
2195 (vect_schedule_slp_instance): Remove SLP tree root statements.
2197 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2199 * tree.h (ENUM_IS_SCOPED): Define.
2200 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2201 for ENUM_IS_SCOPED enums.
2203 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2205 * fold-const.c (fold_comparison): Use ssizetype.
2206 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2207 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2208 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2209 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2211 * tree.h (initialize_sizetypes): Remove parameter.
2212 (build_common_tree_nodes): Remove second parameter.
2213 * stor-layout.c (initialize_sizetypes): Remove parameter.
2214 Always create an unsigned type.
2215 (set_sizetype): Assert that the passed type is unsigned and simplify.
2216 * tree.c (build_common_tree_nodes): Remove second parameter.
2217 Adjust call to initialize_sizetypes.
2218 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2219 build_common_tree_nodes.
2221 2010-04-18 Matthias Klose <doko@ubuntu.com>
2223 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2225 2010-04-18 Ira Rosen <irar@il.ibm.com>
2227 PR tree-optimization/43771
2228 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2229 load permutation doesn't have gaps.
2231 2010-04-18 Jan Hubicka <jh@suse.cz>
2233 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2234 (sse_prologue_save_insn expander): Use new pattern.
2235 (sse_prologue_save_insn1): New pattern and splitter.
2236 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2238 * i386.c (setup_incoming_varargs_64): Do not compute jump
2240 (ix86_gimplify_va_arg): Update alignment needed.
2241 (ix86_local_alignment): Do not align all local arrays to 128bit.
2243 2010-04-17 Jan Hubicka <jh@suse.cz>
2245 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2247 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2249 * arm.md (negdi2): Remove redundant code to force values into a
2252 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2254 * arm/bpabi.S: Add EABI alignment attributes to objects.
2255 * arm/bpabi-v6m.S: Likewise.
2256 * arm/crti.asm: Likewise.
2257 * arm/crtn.asm: Likewise.
2258 * arm/lib1funcs.asm: Likewise.
2259 * arm/libunwind.S: Likewise.
2261 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2263 * arm-protos.h (tune_params): New structure.
2264 * arm.c (current_tune): New variable.
2265 (arm_constant_limit): Delete.
2266 (struct processors): Add pointer to the tune parameters.
2267 (arm_slowmul_tune): New tuning option.
2268 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2269 (all_cores): Adjust to pick up the tuning model.
2270 (arm_constant_limit): New function.
2271 (arm_override_options): Select the appropriate tuning model. Delete
2272 initialization of arm_const_limit.
2273 (arm_split_constant): Use the new constant-limit model.
2274 (arm_rtx_costs): Pick up the current tuning model.
2275 * arm.md (is_strongarm, is_xscale): Delete.
2276 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2277 for Xscale variant architectures.
2278 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2280 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2282 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2284 (arm_rtx_costs_1): Remove unused variable extra_cost.
2285 (arm_unwind_emit_set): Use variable offset.
2286 (thumb1_output_casesi): Remove unused variable flags.
2288 2010-04-16 Jeff Law <law@redhat.com>
2290 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2291 needing assignment rather than doing a two-phase assignment. Remove
2292 unused variable 'm'.
2294 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2297 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2299 2010-04-16 Doug Kwan <dougkwan@google.com>
2301 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2302 (next_operand_entry_id): New static variable.
2303 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2304 (add_to_ops_vec): Assigned unique ID to operand entry.
2305 (struct oecount_s): New field ID.
2306 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2307 (undistribute_ops_list): Assign unique IDs to oecounts.
2308 (init_reassoc): reset next_operand_entry_id.
2310 2010-04-16 Doug Kwan <dougkwan@google.com>
2312 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2313 missing left parenthesis.
2315 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2317 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2318 *btdi_rex64 using SWI48 mode iterator.
2319 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2320 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2321 *jcc_btdi_mask_rex64.
2323 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2325 * double-int.h (tree_to_double_int): Convert to macro.
2326 * double-int.c (tree_to_double_int): Remove.
2328 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2331 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2332 with want_address 2 and in case a single element list might be
2333 possible, call it again with want_address 0.
2335 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2337 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2338 case 'W' print operands for HI mode.
2339 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2340 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2341 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2342 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2344 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2346 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2347 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2348 #xx:3 and #xx:4 mode.
2350 * config/h8300/h8300.md (inverted load with HImode dest): Add
2351 support for H8300SX.
2353 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2354 satisfy 'U' constraint.
2356 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2358 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2359 * configure: Regenerate.
2360 * config.in: Regenerate.
2361 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2364 2010-04-16 Richard Guenther <rguenther@suse.de>
2366 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2367 (struct tree_decl_common): ... here.
2368 (DECL_PT_UID): Adjust.
2369 (SET_DECL_PT_UID): Likewise.
2370 (DECL_PT_UID_SET_P): Likewise.
2372 2010-04-16 Richard Guenther <rguenther@suse.de>
2374 PR tree-optimization/43572
2375 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2376 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2377 * tree-flow.h (is_call_clobbered): Remove.
2378 * tree-flow-inline.h (is_call_clobbered): Likewise.
2379 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2380 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2381 (execute_return_slot_opt): Adjust.
2382 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2383 check for call clobbered vars here.
2384 (find_tail_calls): Move tailcall verification to the
2387 2010-04-16 Diego Novillo <dnovillo@google.com>
2389 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2391 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2394 * config/arm/arm.md (cbranchqi4): New pattern.
2395 * config/arm/predicates.md (const0_operand,
2396 cbranchqi4_comparison_operator): New predicates.
2398 2010-04-16 Richard Guenther <rguenther@suse.de>
2400 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2401 (dump_gimple_stmt): Likewise.
2403 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2405 * recog.h (struct recog_data): New field is_operator.
2406 (struct insn_operand_data): New field is_operator.
2407 * recog.c (extract_insn): Set recog_data.is_operator.
2408 * genoutput.c (output_operand_data): Emit code to set the
2410 * reload.c (find_reloads): Use it rather than testing for an
2411 empty constraint string.
2414 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2415 If the previous insn is a cbranchsi4_insn with the same arguments,
2416 omit the compare instruction.
2418 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2419 register, inputs must be low registers and we need a low register
2420 scratch. Handle alternative 2 like alternative 3.
2422 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2424 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2425 don't call get_addr on both. If one expression is a VALUE and
2426 the other a REG, check VALUE's locs if the REG isn't among them.
2428 2010-04-16 Christian Bruel <christian.bruel@st.com>
2430 * config/sh/sh.h (sh_frame_pointer_required): New function.
2431 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2432 (flag_omit_frame_pointer) Set.
2433 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2434 (rounded_frame_size): Adjust size with outgoing_args_size.
2435 (sh_set_return_address): Must return from stack pointer.
2436 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2437 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2438 (ACCUMULATE_OUTGOING_ARGS): Define.
2439 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2440 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2442 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2445 * config/sh/sh.c (sh_legitimize_reload_address): Use
2446 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2447 Remove a unneeded check for offset_base.
2449 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2451 * configure: Regenerated.
2453 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2455 * config/s390/s390.c (s390_call_save_register_used): Switch back
2456 to HARD_REGNO_NREGS.
2458 2010-04-15 Richard Guenther <rguenther@suse.de>
2460 * alias.c (alias_set_subset_of): Handle alias-set zero
2463 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2464 Julian Brown <julian@codesourcery.com>
2466 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2467 alternatives according to use of high and low regs.
2468 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2469 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2470 optimizing for size on Thumb-2.
2472 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2474 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2476 2010-04-15 Richard Guenther <rguenther@suse.de>
2478 * tree-ssa-structalias.c (struct variable_info): Add
2480 (new_var_info): Initialize it.
2481 (dump_constraints): Support printing last added constraints.
2482 (debug_constraints): Adjust.
2483 (dump_constraint_graph): Likewise.
2484 (make_heapvar_for): Check for NULL cfun.
2485 (get_function_part_constraint): New function.
2486 (get_fi_for_callee): Likewise.
2487 (find_func_aliases): Properly implement IPA PTA constraints.
2488 (process_ipa_clobber): New function.
2489 (find_func_clobbers): Likewise.
2490 (insert_into_field_list_sorted): Remove.
2491 (create_function_info_for): Properly allocate vars for IPA mode.
2492 Do not use insert_into_field_list_sorted.
2493 (create_variable_info_for): Properly generate constraints for
2494 global vars in IPA mode.
2495 (dump_solution_for_var): Always dump the solution.
2496 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2497 (find_what_var_points_to): Adjust.
2498 (pt_solution_set): Change.
2499 (pt_solution_ior_into): New function.
2500 (pt_solution_empty_p): Export.
2501 (pt_solution_includes_global): Adjust.
2502 (pt_solution_includes_1): Likewise.
2503 (pt_solutions_intersect_1): Likewise.
2504 (dump_sa_points_to_info): Check some invariants.
2505 (solve_constraints): Move constraint dumping ...
2506 (compute_points_to_sets): ... here.
2507 (ipa_pta_execute): ... and here.
2508 (compute_may_aliases): Do not re-compute points-to info
2509 locally if IPA info is available.
2510 (ipa_escaped_pt): New global var.
2511 (ipa_pta_execute): Properly implement IPA PTA.
2512 * tree-into-ssa.c (dump_decl_set): Support dumping
2513 decls not in referenced-vars.
2514 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2515 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2516 (dump_points_to_solution): Likewise.
2517 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2518 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2519 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2520 (copy_decl_to_var): Copy DECL_PT_UID.
2521 (copy_result_decl_to_var): Likewise.
2522 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2523 (copy_node_stat): Copy it.
2524 * tree.h (DECL_PT_UID): New macro.
2525 (SET_DECL_PT_UID): Likewise.
2526 (DECL_PT_UID_SET_P): Likewise.
2527 (struct tree_decl_minimal): Add pt_uid member.
2528 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2529 (pt_solution_empty_p): Declare.
2530 (pt_solution_set): Adjust.
2531 (ipa_escaped_pt): Declare.
2532 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2533 * gimple-pretty-print.c (pp_points_to_solution): New function.
2534 (dump_gimple_call): Dump call clobber/use information.
2535 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2536 * tree-pass.h (TDF_ALIAS): New dump option.
2537 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2538 * doc/invoke.texi (-fipa-pta): Update documentation.
2540 2010-04-15 Richard Guenther <rguenther@suse.de>
2542 * Makefile.in (OBJS-common): Add gimple-fold.o.
2543 (gimple-fold.o): New rule.
2544 * tree.h (maybe_fold_offset_to_reference,
2545 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2547 * gimple.h: ... here.
2548 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2549 may_propagate_address_into_dereference): Move prototypes ...
2550 * gimple.h: ... here.
2551 * tree-ssa-ccp.c (get_symbol_constant_value,
2552 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2553 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2554 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2555 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2556 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2557 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2558 gimplify_and_update_call_from_tree): Move ...
2559 * gimple-fold.c: ... here. New file.
2560 (ccp_fold_builtin): Rename to ...
2561 (gimple_fold_builtin): ... this.
2562 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2564 2010-04-15 Richard Guenther <rguenther@suse.de>
2566 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2567 fit_double_type, force_fit_type_double, add_double_with_sign,
2568 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2569 lrotate_double, rrotate_double, div_and_round_double): Move ...
2570 * double-int.c: ... here.
2571 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2572 add_double, neg_double, mul_double_with_sign, mul_double,
2573 lshift_double, rshift_double, lrotate_double, rrotate_double,
2574 div_and_round_double): Move prototypes ...
2575 * double-int.h: ... here.
2577 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2580 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2581 matching constraints to ensure inputs match the output.
2583 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2586 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2587 in an input-only operand.
2589 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2591 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2592 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2593 (double_int_negative_p): Convert to static inline function.
2594 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2595 (double_int_negative_p): Remove.
2596 * tree.h (lshift_double, rshift_double):
2597 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2598 * fold-const.c (fold_convert_const_int_from_real,
2599 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2600 (lshift_double): Change type of arith argument to bool.
2601 (rshift_double): Change type of arith argument to bool. Correct
2603 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2605 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2608 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2609 at the start and end of the then/else blocks, and omit them from the
2611 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2612 argument; all callers changed. Pass zero to old_insns_match_p instead.
2613 (flow_find_head_matching_sequence): New function.
2614 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2615 * basic-block.h (flow_find_cross_jump,
2616 flow_find_head_matching_sequence): Declare functions.
2618 2010-04-14 Jason Merrill <jason@redhat.com>
2621 * c-common.c (attribute_takes_identifier_p): New fn.
2622 * c-common.h: Declare it.
2624 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2626 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2628 (*udivmod<mode>4): Ditto.
2630 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2632 * config/i386/i386.md (maxmin_int): Rename code attribute from
2633 maxminiprefix and update all users.
2634 (maxmin_float): Ditto from maxminfprefix.
2635 (logic): Ditto from logicprefix.
2636 (absneg_mnemonic): Ditto from absnegprefix.
2637 * config/i386/mmx.md: Update all users of maxminiprefix,
2638 maxminfprefix and logicprefix for rename.
2639 * config/i386/sse.md: Ditto.
2640 * config/i386/sync.md (sync_<code><mode>): Update for
2643 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2646 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2647 warnings converted to errors.
2649 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2651 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2652 used insn_type variable.
2653 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2654 to avoid set-but-not-used warning.
2656 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2658 * df-core.c (df_ref_debug): Change format string placeholder
2660 * dwarf2asm.c (dw2_asm_output_data_raw,
2661 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2662 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2663 * dwarf2out.c (output_cfi, output_cfi_directive,
2664 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2665 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2667 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2668 * print-rtl.c (print_rtx): Ditto.
2670 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2673 * builtins.c (expand_builtin_pow_root): New function to expand pow
2674 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2675 series of sqrt and cbrt calls under -ffast-math.
2676 (expand_builtin_pow): Call it.
2678 2010-04-14 Michael Matz <matz@suse.de>
2680 PR tree-optimization/42963
2681 * tree-cfg.c (touched_switch_bbs): New static variable.
2682 (group_case_labels_stmt): New function broken out from ...
2683 (group_case_labels): ... here, use the above.
2684 (start_recording_case_labels): Allocate touched_switch_bbs.
2685 (end_recording_case_labels): Deallocate it, call
2686 group_case_labels_stmt.
2687 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2689 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2691 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2694 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2696 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2698 2010-04-13 Jan Hubicka <jh@suse.cz>
2700 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2701 of optimized out static functions.
2702 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2703 cost computation. Also sanity check for overflows.
2704 (update_caller_keys): Update cgraph_edge_badness call; properly
2705 update fibheap and sanity check that it is up to date.
2706 (add_new_edges_to_heap): Update cgraph_edge_badness.
2707 (cgraph_decide_inlining_of_small_function): Likewise;
2708 add sanity checking that badness in heap is up to date;
2709 improve dumping of reason; Update badness of calls to the
2710 offline copy of function currently inlined; dump badness
2711 of functions not inlined because of unit growth limits.
2713 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2716 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2717 because of sign-extension change when converting to sizetype here...
2718 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2720 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2721 the folding to constants. Remove redundant final conversion.
2722 (fold_binary) <associate>: Do not associate if the re-association of
2723 constants alone overflows.
2724 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2725 to the end of the list.
2726 (multiple_of_p) <COND_EXPR>: New case.
2728 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2730 * opt-functions.awk (opt_sanitized_name): New.
2732 * optc-gen.awk: Use it
2733 * opth-gen.awk: Use it.
2735 2010-04-13 Martin Jambor <mjambor@suse.cz>
2737 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2738 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2739 children. Call replace_uses_with_default_def_ssa_name to handle
2742 2010-04-13 Michael Matz <matz@suse.de>
2745 * builtins.c (expand_builtin_interclass_mathfn): Also create
2746 a register if the predicate doesn't match.
2748 2010-04-13 Diego Novillo <dnovillo@google.com>
2750 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2751 * c-pch.c: Include timevar.h.
2752 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2753 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2754 * ggc-common.c: Include timevar.h.
2755 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2756 * timevar.def (TV_PCH_SAVE): Define.
2757 (TV_PCH_CPP_SAVE): Define.
2758 (TV_PCH_PTR_REALLOC): Define.
2759 (TV_PCH_PTR_SORT): Define.
2760 (TV_PCH_RESTORE): Define.
2761 (TV_PCH_CPP_RESTORE): Define.
2763 2010-04-13 Michael Matz <matz@suse.de>
2765 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2767 (can_reassociate_p): New function.
2768 (break_up_subtract_bb, reassociate_bb): Use it.
2770 2010-04-13 Richard Guenther <rguenther@suse.de>
2773 * builtins.c (c_readstr): Fix assert.
2775 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2777 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2778 when generating cltd insn.
2780 (*ashl<mode>3_1): Remove special handling for register operand 2.
2781 (*ashlsi3_1_zext): Ditto.
2782 (*ashlhi3_1): Ditto.
2783 (*ashlhi3_1_lea): Ditto.
2784 (*ashlqi3_1): Ditto.
2785 (*ashlqi3_1_lea): Ditto.
2786 (*<shiftrt_insn><mode>3_1): Ditto.
2787 (*<shiftrt_insn>si3_1_zext): Ditto.
2788 (*<shiftrt_insn>qi3_1_slp): Ditto.
2789 (*<rotate_insn><mode>3_1): Ditto.
2790 (*<rotate_insn>si3_1_zext): Ditto.
2791 (*<rotate_insn>qi3_1_slp): Ditto.
2793 2010-04-13 Richard Guenther <rguenther@suse.de>
2795 * tree-ssa-structalias.c (callused_id): Remove.
2796 (call_stmt_vars): New.
2797 (get_call_vi): Likewise.
2798 (lookup_call_use_vi): Likewise.
2799 (lookup_call_clobber_vi): Likewise.
2800 (get_call_use_vi): Likewise.
2801 (get_call_clobber_vi): Likewise.
2802 (make_transitive_closure_constraints): Likewise.
2803 (handle_const_call): Adjust to do per-call call-used handling.
2804 (handle_pure_call): Likewise.
2805 (find_what_var_points_to): Remove general callused handling.
2806 (init_base_vars): Likewise.
2807 (init_alias_vars): Initialize call_stmt_vars.
2808 (compute_points_to_sets): Process call-used and call-clobbered
2809 vars for call statements.
2810 (delete_points_to_sets): Free call_stmt_vars.
2812 2010-04-13 Richard Guenther <rguenther@suse.de>
2814 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2815 Only add RW dependence for dependence distance zero.
2816 Adjust maximal vectorization factor according to dependences.
2817 Move alignment handling ...
2818 (vect_find_same_alignment_drs): ... here. New function.
2819 (vect_analyze_data_ref_dependences): Adjust.
2820 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2821 (vect_analyze_data_refs): Adjust minimal vectorization factor
2822 according to data references.
2823 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2824 dependences before determining the vectorization factor.
2825 Analyze alignment after determining the vectorization factor.
2826 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2827 dependences before alignment.
2828 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2830 (vect_analyze_data_refs): Likewise.
2831 (MAX_VECTORIZATION_FACTOR): New define.
2833 2010-04-13 Duncan Sands <baldrick@free.fr>
2835 * except.h (lang_eh_type_covers): Remove.
2836 * except.c (lang_eh_type_covers): Likewise.
2838 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2839 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2841 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2842 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2843 UNITS_PER_LONG where it is ABI relevant.
2844 (s390_return_addr_rtx): Likewise.
2845 (s390_back_chain_rtx): Likewise.
2846 (s390_frame_area): Likewise.
2847 (s390_frame_info): Likewise.
2848 (s390_initial_elimination_offset): Likewise.
2849 (save_gprs): Likewise.
2850 (s390_emit_prologue): Likewise.
2851 (s390_emit_epilogue): Likewise.
2852 (s390_function_arg_advance): Likewise.
2853 (s390_function_arg): Likewise.
2854 (s390_va_start): Likewise.
2855 (s390_gimplify_va_arg): Likewise.
2856 (s390_function_profiler): Likewise.
2857 (s390_optimize_prologue): Likewise.
2858 (s390_rtx_costs): Likewise.
2859 (s390_secondary_reload): Likewise.
2860 (s390_promote_function_mode): Likewise.
2861 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2862 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2863 registers available.
2864 (s390_unwind_word_mode): New function.
2865 (s390_function_value): Split 64 bit values into register pair if
2866 used as return value.
2867 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2868 function call parameters. Handle parallels.
2869 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2870 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2871 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2872 (s390_expand_setmem): Remove unused variable src_addr.
2873 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2874 deal with 64 bit registers.
2875 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2876 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2877 (UNITS_PER_LONG): New macro.
2878 * libjava/include/s390-signal.h: Define extended ucontext
2879 structure containing the upper halfs of the 64 bit registers.
2881 2010-04-13 Simon Baldwin <simonb@google.com>
2883 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2885 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2887 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2888 rvalue on the RHS if the LHS is of a non-renamable type.
2889 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2891 2010-04-13 Matthias Klose <doko@ubuntu.com>
2893 * gcc.c (cc1_options): Handle -iplugindir before processing
2894 the cc1 spec. Only add -iplugindir once.
2895 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2897 * common.opt (iplugindir): Remove `Separate' property, initialize.
2898 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2900 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2901 (distclean): Remove plugin dir.
2902 * doc/invoke.texi: Document -iplugindir.
2904 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2906 * doc/plugins.texi (Loading Plugins): Document short
2907 -fplugin=foo option.
2908 (Plugin API): Mention default_plugin_dir_name function.
2910 * gcc.c (find_file_spec_function): Add new declaration.
2911 (static_spec_func): Use it for "find-file".
2912 (find_file_spec_function): Add new function.
2913 (cc1_options): Add -iplugindir option if -fplugin* options found.
2915 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2917 * plugin.c (add_new_plugin): Updated comment, and handle short
2919 (default_plugin_dir_name): Added new function.
2921 * common.opt (iplugindir): New option to set the plugin directory.
2923 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2925 * config/i386/i386.md (any_rotate): New code iterator.
2926 (rotate_insn): New code attribute.
2928 (SWIM124): New mode iterator.
2929 (<rotate_insn>ti3): New expander.
2930 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2931 any_rotate code iterator.
2932 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2933 using any_rotate code iterator and SWIM124 mode iterator.
2934 (ix86_rotlti3): New insn_and_split pattern.
2935 (ix86_rotrti3): Ditto.
2936 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2937 ix86_rotl{di,ti}3 patterns.
2938 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2939 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2940 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2941 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2942 code iterator and SWI mode iterator.
2943 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2944 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2946 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2947 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2948 (bswap rotatert splitter): Add splitter.
2949 (bswap splitter): Macroize splitter using any_rotate code iterator.
2950 Add insn predicate to split only for TARGET_USE_XCHGB or when
2951 optimizing function for size.
2953 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2955 * config/pa/pa.c (emit_move_sequence): Remove use of
2956 deleted variable flag_argument_noalias.
2958 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2960 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2962 Add to unsupported targets list.
2963 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2964 sparc*-sun-solaris2.[567]* from target lists.
2965 * configure: Regenerate.
2966 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2968 Remove Solaris 7 patch references.
2969 (Specific, sparc-sun-solaris2.7): Removed.
2970 (sparc-sun-solaris2*): Update Solaris 7 example.
2971 (sparc64-*-solaris2*): Likewise.
2973 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2975 * config.build (alpha*-dec-osf4*): Remove.
2976 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2977 of obsolete configurations.
2978 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2980 * config/alpha/t-osf4: Renamed to ...
2981 * config/alpha/t-osf5: ... this.
2982 * config/alpha/osf.h: Renamed to ...
2983 * config/alpha/osf5.h: ... this.
2984 Merged old osf5.h contents.
2986 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2987 (EXTRA_SPECS): Removed.
2988 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2989 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2992 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2994 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2996 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2999 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3000 __thiscall convention.
3002 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3004 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3006 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3008 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3010 * function.c (assign_parms_initialize_all): Add unused attribute
3013 2010-04-12 Richard Guenther <rguenther@suse.de>
3015 * gsstruct.def (GSS_CALL): New.
3016 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3017 * gimple.h: Include tree-ssa-alias.h.
3018 (struct gimple_statement_call): New.
3019 (union gimple_statement_struct_d): Add gimple_call member.
3020 (gimple_call_reset_alias_info): Declare.
3021 (gimple_call_use_set): New function.
3022 (gimple_call_clobber_set): Likewise.
3023 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3024 * gimple.c (gimple_call_reset_alias_info): New function.
3025 (gimple_build_call_1): Call it.
3026 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3027 * tree-inline.c (remap_gimple_stmt): Likewise.
3028 (expand_call_inline): Remove callused handling.
3029 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3030 * tree-dfa.c (dump_variable): Likewise.
3031 * tree-parloops.c (parallelize_loops): Likewise.
3032 * tree-ssa.c (init_tree_ssa): Likewise.
3033 (delete_tree_ssa): Likewise.
3034 * tree-flow-inline.h (is_call_used): Remove.
3035 * tree-flow.h (struct gimple_df): Remove callused member.
3036 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3037 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3038 (ref_maybe_used_by_call_p_1): Simplify.
3039 (call_may_clobber_ref_p_1): Likewise.
3040 * tree-ssa-structalias.c (compute_points_to_sets): Set
3041 the call stmt used and clobbered sets.
3042 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3043 (find_tail_calls): Verify the tail call.
3045 2010-04-12 Richard Guenther <rguenther@suse.de>
3047 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3048 single-iteration always-inline inlining.
3049 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3050 (cgraph_decide_inlining): Do not handle always-inline specially.
3051 (try_inline): Remove always-inline cycle detection special case.
3052 Do not recurse on always-inlines.
3053 (cgraph_early_inlining): Do not iterate if not optimizing.
3054 (cgraph_gate_early_inlining): remove.
3055 (pass_early_inline): Run unconditionally.
3056 (gate_cgraph_decide_inlining): New function.
3057 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3058 not inlining or optimizing.
3059 (cgraph_decide_inlining_of_small_functions): Also consider
3060 always-inline functions.
3061 (cgraph_default_inline_p): Return true for nodes which should
3062 disregard inline limits.
3063 (estimate_function_body_sizes): Assume zero size and time for
3064 nodes which are marked as disregarding inline limits.
3065 (cgraph_decide_recursive_inlining): Do not perform recursive
3066 inlining on always-inline nodes.
3068 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3071 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3072 for exprs satisfying handled_component_p.
3074 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3076 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3077 non-constant aggregate elements.
3079 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3080 is a real initialization.
3082 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3085 * c-decl.c (start_function): Move forward check for nested function.
3087 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3089 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3090 * config/sh/sh.c: Include reload.h.
3091 (sh_legitimize_reload_address): New.
3092 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3093 sh_legitimize_reload_address.
3095 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3097 * config/sh/sh.md (*movqi_pop): New insn pattern.
3098 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3100 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3102 * config/i386/i386.md (any_shiftrt): New code iterator.
3103 (shiftrt_insn): New code attribute.
3105 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3106 using any_shiftrt code iterator.
3107 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3108 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3109 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3110 pattern from corresponding peephole2 patterns.
3111 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3112 using any_shiftrt code iterator.
3113 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3114 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3115 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3116 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3117 *{ashr,lshr}<mode>3_cmp_zext.
3118 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3120 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3122 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3124 (*lshr<mode>3_cconly): Ditto.
3126 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3128 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3129 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3130 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3131 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3133 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3134 from corresponding peephole2 patterns.
3135 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3136 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3137 and *lshrdi3_1_rex64 using SWI mode iterator.
3138 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3139 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3140 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3141 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3142 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3143 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3144 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3145 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3146 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3149 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3151 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3152 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3153 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3154 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3156 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3157 from corresponding peephole2 patterns.
3158 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3159 (ashrsi3_cvt): Rename from ashrsi3_31.
3160 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3161 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3162 and x86_64_shift_adj_3 using SWI48 mode iterator.
3163 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3164 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3165 and *ashrdi3_1_rex64 using SWI mode iterator.
3166 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3167 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3168 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3169 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3170 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3171 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3172 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3173 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3174 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3176 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3177 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3178 x86_shift<mode>_adj_3 expanders.
3180 2010-04-10 Wei Guozhi <carrot@google.com>
3183 * config/arm/arm.c (arm_pic_static_addr): New function.
3184 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3186 (arm_output_addr_const_extra): Output expression for new pattern.
3187 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3189 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3191 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3194 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3195 * web.c: Include "insn-config.h" and "recog.h".
3196 (union_match_dups): New function.
3197 (web_main): Call it.
3198 (union_defs): Don't try to recognize match_dups.
3200 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3201 if doing so would replace the entire pattern.
3203 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3207 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3208 and splitter pattern. Change splitter operand 1 predicate to
3211 2010-04-09 Martin Jambor <mjambor@suse.cz>
3213 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3214 lattices are addresses of CONST_DECLs with the same initial value.
3215 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3216 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3218 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3219 Bernd Schmidt <bernds@codesourcery.com>
3221 * loop-invariant.c (replace_uses): New static function.
3222 (move_invariant_reg): Use it to ensure we can replace the uses.
3224 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3226 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3228 (picochip_override_options): Enable section anchors only above -O1.
3229 (picochip_reorg): Fixed a couple of build warnings.
3231 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3233 * configure.ac (plugin -rdynamic test): Log result.
3234 * configure: Regenerate.
3235 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3236 (RDYNAMIC_SPEC): Define.
3237 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3239 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3241 * configure.ac: Determine Sun ld version numbers.
3242 (comdat_group): Restrict GNU ld version checks to gld.
3243 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3244 (enable_comdat): Support --enable-comdat.
3245 * configure: Regenerate.
3246 * doc/install.texi (Configuration): Document --enable-comdat.
3248 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3250 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3251 * config/sol2-gld.h: ... here.
3252 * config.gcc (sparc*-*-solaris2*): Reflect this.
3253 (i[34567]86-*-solaris2*): Use it.
3255 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3257 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3259 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3261 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3264 * diagnostic.c (diagnostic_initialize): Initialize
3265 some_warnings_are_errors.
3266 (diagnostic_finish): New.
3267 (diagnostic_action_after_output): Call it before exiting.
3268 (diagnostic_report_diagnostic): Do not print message here. Set
3269 some_warnings_are_errors.
3270 * diagnostic.h (diagnostic_context): Delete
3271 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3272 (diagnostic_finish): Declare.
3273 * toplev.c (toplev_main): Call it before exit.
3275 2010-04-09 Jason Merrill <jason@redhat.com>
3278 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3279 for incomplete type.
3282 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3283 based on a warning flag.
3285 2010-04-09 Richard Guenther <rguenther@suse.de>
3287 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3289 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3292 * varasm.c (default_assemble_visibility): Wrap vars that are
3293 set, but unused, by targets without GAS.
3294 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3295 Remove set, but unused, vars.
3296 (rs6000_legitimize_tls_address): Likewise.
3297 (altivec_expand_dst_builtin): Likewise.
3298 * config/darwin.c (machopic_classify_symbol): Likewise.
3299 (machopic_indirection_name): Likewise.
3301 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3303 * config/i386/i386.md (DWI): New mode iterator.
3304 (S): New mode attribute.
3305 (shift_operand): Ditto.
3306 (shift_immediate_operand): Ditto.
3307 (ashl_input_operand): Ditto.
3308 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3309 using SDWIM mode iterator.
3310 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3311 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3313 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3314 from corresponding peephole2 patterns.
3315 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3316 and x86_64_shift_adj_1 using SWI48 mode iterator.
3317 (x86_shift<mode>_adj_2): Ditto.
3318 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3319 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3320 using SWI48 mode iterator.
3321 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3322 *ashldi3_cmp_rex64 using SWI mode iterator.
3323 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3324 *ashldi3_cconly_rex64 using SWI mode iterator.
3325 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3326 x86_shift<mode>_adj_{1,2}.
3327 (ix86_split_ashr): Ditto.
3328 (ix86_split_lshr): Ditto.
3330 2010-04-09 Richard Guenther <rguenther@suse.de>
3332 * target.h (builtin_conversion): Pass in input and output types.
3333 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3334 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3335 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3336 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3338 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3340 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3342 2010-04-09 Richard Guenther <rguenther@suse.de>
3345 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3347 2010-04-09 Richard Guenther <rguenther@suse.de>
3349 * tree-vectorizer.h (struct _stmt_vec_info): Document
3350 that vectype is the type of the LHS.
3351 (supportable_widening_operation, supportable_narrowing_operation):
3352 Get both input and output vector types as arguments.
3353 (vect_is_simple_use_1): Declare.
3354 (get_same_sized_vectype): Likewise.
3355 * tree-vect-loop.c (vect_determine_vectorization_factor):
3356 Set STMT_VINFO_VECTYPE to the vector type of the def.
3357 (vectorizable_reduction): Adjust.
3358 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3359 Adjust. Specify the output vector type.
3360 (vect_pattern_recog_1): Adjust.
3361 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3362 (vectorizable_call): Adjust.
3363 (vectorizable_conversion): Likewise.
3364 (vectorizable_operation): Likewise.
3365 (vectorizable_type_demotion): Likewise.
3366 (vectorizable_type_promotion): Likewise.
3367 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3369 (vect_is_simple_use_1): New function.
3370 (supportable_widening_operation): Get both input and output
3372 (supportable_narrowing_operation): Likewise.
3373 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3375 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3377 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3378 __thiscall and _thiscall as predefined macros.
3379 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3380 thiscall attribute handling.
3381 (ix86_comp_type_attributes): Likewise.
3382 (ix86_function_regparm): Likewise.
3383 (ix86_return_pops_args): Likewise.
3384 (init_cumulative_args): Likewise.
3385 (find_drap_reg): Likewise.
3386 (ix86_static_chain): Likewise.
3387 (x86_this_parameter): Likewise.
3388 (x86_output_mi_thunk): Likewise.
3389 (ix86_attribute_table): Add description for thiscall attribute.
3390 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3391 * doc/extend.texi: Add documentation for thiscall.
3393 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3396 * c.opt (Wint-to-pointer-cast): Available in C++.
3397 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3399 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3401 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3402 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3403 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3404 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3405 function type instead. Reorder and simplify checks.
3407 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3409 2010-04-08 Jing Yu <jingyu@google.com>
3410 Zdenek Dvorak <ook@ucw.cz>
3412 PR tree-optimization/42720
3413 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3414 loop unswitch conditions here from ...
3415 (tree_unswitch_single_loop): ... here.
3417 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3419 * tree-if-conv.c: Fix comments and simplify logic.
3421 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3423 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3424 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3425 (main_tree_if_conversion): Update call to tree_if_conversion.
3427 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3430 * doc/invoke.texi (-b,-V): Delete.
3431 * doc/tm.texi: Do not mention -b.
3432 * gcc.c (display_help): Delete -b and -V.
3433 (process_command): Delete -b and -V.
3434 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3436 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3437 Wolfgang Gellerich <gellerich@de.ibm.com>
3439 Implement target hook for loop unrolling
3440 * target.h (loop_unroll_adjust): Add a new target hook function.
3441 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3442 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3443 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3444 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3445 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3447 (decide_unroll_stupid): Likewise.
3449 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3452 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3454 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3456 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3457 (Specific, *-*-solaris2*): Likewise.
3458 Don't prefer Sun as over GNU as.
3460 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3462 * config/s390/s390.c (override_options): Adjust the z10
3463 defaults for max-unroll-times, max-completely-peeled-insns
3464 and max-completely-peel-times.
3466 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3468 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3469 instructions for z10.
3470 (s390_expand_setmem): Likewise.
3471 (s390_expand_cmpmem): Likewise.
3473 2010-04-08 Richard Guenther <rguenther@suse.de>
3475 PR tree-optimization/43679
3476 * tree-ssa-pre.c (eliminate): Only propagate copies.
3478 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3481 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3482 set but not used variable warning.
3484 2010-04-08 Wei Guozhi <carrot@google.com>
3487 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3488 (arm_size_rtx_costs): Call the new function when optimized for size.
3490 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3493 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3494 op0 is not a MEM, just return NULL instead of assertion
3496 (discover_nonconstant_array_refs): Don't walk debug stmts.
3498 2010-04-08 Doug Kwan <dougkwan@google.com>
3500 * configure.ac: Recognize gold and do not use its version number
3501 to test ld features.
3502 * configure: Regenerate.
3504 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3507 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3508 (negate_value): Move code to push elements to broken_up_substracts ...
3509 (eliminate_plus_minus_pair): ... here. Push operands that have no
3510 negative pair to plus_negates.
3511 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3513 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3515 * doc/install.texi (Configuration): Move description of
3516 --enable-lto, --with-libelf*, --enable-gold from Java section to
3519 * doc/generic.texi (Working with declarations)
3520 (Function Properties, C and C++ Trees): Fix typos.
3521 * doc/sourcebuild.texi (Top Level): Likewise.
3523 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3526 * tree.h (DECL_READ_P): Define.
3527 (struct tree_decl_common): Add decl_read_flag.
3528 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3529 a set but not used warning.
3530 (merge_decls): Merge DECL_READ_P flag.
3531 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3532 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3533 * c-common.c (handle_used_attribute, handle_unused_attribute):
3535 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3537 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3539 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3540 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3541 c_parser_binary_expression, c_parser_cast_expression,
3542 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3543 Call default_function_array_read_conversion instead of
3544 default_function_array_conversion where needed.
3545 (c_parser_unary_expression, c_parser_conditional_expression,
3546 c_parser_postfix_expression_after_primary, c_parser_initelt):
3547 Likewise. Call mark_exp_read where needed.
3548 (c_parser_statement_after_labels, c_parser_asm_operands,
3549 c_parser_typeof_specifier, c_parser_sizeof_expression,
3550 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3552 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3554 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3555 (warn_unused_but_set_parameter): Default to warn_unused
3557 * doc/invoke.texi: Document -Wunused-but-set-variable and
3558 -Wunused-but-set-parameter.
3560 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3561 used count variable.
3562 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3563 when operandN variables aren't used in the body of the expander
3565 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3566 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3567 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3568 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3569 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3570 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3571 * tree.c (PROCESS_ARG): Likewise.
3573 2010-04-07 Simon Baldwin <simonb@google.com>
3575 * diagnostic.h (diagnostic_override_option_index): New macro to
3576 set a diagnostic's option_index.
3577 * c-tree.h (c_cpp_error): Add warning reason argument.
3578 * opts.c (_warning_as_error_callback): New.
3579 (register_warning_as_error_callback): Store callback for
3580 warnings enabled via enable_warning_as_error.
3581 (enable_warning_as_error): Call callback, minor code tidy.
3582 * opts.h (register_warning_as_error_callback): Declare.
3583 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3584 response to -Werror=.
3585 (c_common_init_options): Register warning_as_error_callback in opts.c.
3586 * common.opt: Add -Wno-cpp option.
3587 * c-common.c (struct reason_option_codes_t): Map cpp warning
3588 reason codes to gcc option indexes.
3589 * (c_option_controlling_cpp_error): New function, lookup the gcc
3590 option index for a cpp warning reason code.
3591 * (c_cpp_error): Add warning reason argument, call
3592 c_option_controlling_cpp_error for diagnostic_override_option_index.
3593 * doc/invoke.texi: Document -Wno-cpp.
3595 2010-04-07 Richard Guenther <rguenther@suse.de>
3597 * ipa-reference.c (mark_load): Use get_base_address.
3598 (mark_store): Likewise.
3600 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3601 inserting GIMPLE_NOPs into the IL.
3602 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3603 Explicitly strip handled components and indirect references.
3605 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3606 folding address expressions.
3607 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3608 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3609 operand_equal_p to compare decls.
3610 (ptr_deref_may_alias_decl_p): Likewise.
3611 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3612 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3613 Handle reversed comparison ops.
3614 * tree-sra.c (asm_visit_addr): Use get_base_address.
3615 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3616 * ipa-reference.c (mark_address): Use get_base_address.
3618 2010-04-07 Richard Guenther <rguenther@suse.de>
3620 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3621 Propagate constants everywhere.
3623 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3626 * tree.c (MAX_INT_CACHED_PREC): Define.
3627 (nonstandard_integer_type_cache): New array.
3628 (build_nonstandard_integer_type): Cache results for precision
3629 <= MAX_INT_CACHED_PREC.
3631 2010-04-07 Richard Guenther <rguenther@suse.de>
3633 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3634 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3635 * common.opt: Likewise.
3636 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3637 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3638 (nonoverlapping_memrefs_p): Likewise.
3639 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3640 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3641 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3642 OPT_fargument_noalias_global for backward compatibility.
3644 2010-04-07 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/43270
3647 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3648 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3649 * tree-ssa-pre.c (phi_translate_1): Adjust.
3650 (fully_constant_expression): Split out vn_reference handling to ...
3651 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3652 Fold reads from constant strings.
3653 (vn_reference_lookup): Handle fully constant references.
3654 (vn_reference_lookup_pieces): Likewise.
3655 * Makefile.in (expmed.o-warn): Add -Wno-error.
3657 2010-04-07 Martin Jambor <mjambor@suse.cz>
3659 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3661 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3664 * gcc.c: Add -static-libstdc++ to list of recognized options.
3666 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3668 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3670 2010-04-07 Richard Guenther <rguenther@suse.de>
3673 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3674 bases build simple mem attributes to retain points-to information.
3676 2010-04-07 Richard Guenther <rguenther@suse.de>
3679 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3680 preserve points-to related information.
3682 2010-04-07 Richard Guenther <rguenther@suse.de>
3685 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3686 discard plain indirect references.
3687 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3688 * tree.c (tree_nop_conversion): Likewise.
3690 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3693 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3695 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3697 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3698 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3700 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3702 * tree-if-conv.c: Fix indentation and comments.
3704 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3706 * tree-if-conv.c: Sort static functions in topological order.
3708 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3710 * tree-if-conv.c: Fix indentation and comments.
3712 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3715 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3716 lang_hooks.types.type_for_size instead of
3717 build_nonstandard_integer_type.
3718 When converting an unsigned type to signed, double its precision.
3719 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3720 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3721 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3724 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3727 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3728 POINTER_PLUS_EXPR for pointer types.
3730 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3733 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3734 * graphite-clast-to-gimple.c: Include langhooks.h.
3735 (max_signed_precision_type): New.
3736 (max_precision_type): Takes two types as arguments.
3737 (precision_for_value): New.
3738 (precision_for_interval): New.
3739 (gcc_type_for_interval): New.
3740 (gcc_type_for_value): New.
3741 (gcc_type_for_clast_term): New.
3742 (gcc_type_for_clast_red): New.
3743 (gcc_type_for_clast_bin): New.
3744 (gcc_type_for_clast_expr): Split up into several functions.
3745 (gcc_type_for_clast_eq): Rewritten.
3746 (compute_bounds_for_level): New.
3747 (compute_type_for_level_1): New.
3748 (compute_type_for_level): New.
3749 (gcc_type_for_cloog_iv): Removed.
3750 (gcc_type_for_iv_of_clast_loop): Rewritten.
3751 (graphite_create_new_loop): Compute the lower and upper bound types
3752 with gcc_type_for_clast_expr.
3753 (graphite_create_new_loop_guard): Same.
3754 (find_cloog_iv_in_expr): Removed.
3755 (compute_cloog_iv_types_1): Removed.
3756 (compute_cloog_iv_types): Removed.
3757 (gloog): Do not call compute_cloog_iv_types.
3758 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3760 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3761 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3762 (GBB_CLOOG_IV_TYPES): Removed.
3764 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3766 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3767 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3768 (detect_commutative_reduction): Same.
3770 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3772 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3773 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3775 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3776 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3777 (rewrite_commutative_reductions_out_of_ssa): Same.
3778 * passes.c (execute_function_todo): Call verify_ssa for every pass
3779 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3780 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3781 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3782 with an extra argument.
3783 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3784 verify_ssa only when the extra argument is true.
3785 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3786 with an extra argument.
3787 (tree_transform_and_unroll_loop): Same.
3789 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3791 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3792 for all the passes of the LNO having LOOP_CLOSED_SSA.
3793 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3794 * tree-loop-distribution.c (pass_loop_distribution): Same.
3795 * tree-pass.h (TODO_verify_loops): Removed.
3796 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3798 (pass_tree_unswitch): Same.
3799 (pass_predcom): Same.
3800 (pass_vectorize): Same.
3801 (pass_linear_transform): Same.
3802 (pass_graphite_transforms): Same.
3803 (pass_iv_canon): Same.
3804 (pass_complete_unroll): Same.
3805 (pass_complete_unrolli): Same.
3806 (pass_parallelize_loops): Same.
3807 (pass_loop_prefetch): Same.
3808 (pass_iv_optimize): Same.
3810 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3813 * passes.c (init_optimization_passes): Move pass_lim before
3814 pass_copy_prop and pass_dce_loop.
3816 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3819 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3820 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3821 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3822 MULTI_* defines for 4 argument vpermil2p* builtins.
3824 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3826 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3827 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3828 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3829 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3830 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3831 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3832 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3833 Use x86_maybe_negate_const_int to output insn mnemonic.
3834 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3835 check from instruction predicate. Update comments.
3836 * config/i386/sync.md (sync_add<mode>): Use
3837 x86_maybe_negate_const_int to output insn mnemonic.
3839 2010-04-06 Jan Hubicka <jh@suse.cz>
3841 PR tree-optimization/42906
3842 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3843 IGNORE_SELF argument. Set visited_control_parents for fully
3845 (find_obviously_necessary_stmts): Update call of
3846 mark_control_dependent_edges_necessary.
3847 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3849 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3851 * config/i386/i386.md: Remove comment about 'e' and 'E'
3854 2010-04-06 Richard Guenther <rguenther@suse.de>
3856 PR tree-optimization/43627
3857 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3858 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3861 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3863 * BASE-VER: Change to 4.6.0.
3866 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3869 2010-04-06 Richard Guenther <rguenther@suse.de>
3872 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3874 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3876 * doc/invoke.texi (Optimize Options): Document that LTO
3877 won't remove object access purely due to incompatible
3880 2010-04-04 Matthias Klose <doko@ubuntu.com>
3882 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3883 Initialize variable.
3885 2010-04-03 Richard Guenther <rguenther@suse.de>
3888 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3889 require a non-NULL MEM_OFFSET.
3891 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3893 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3894 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3895 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3896 config/alpha/predicates.md, config/arm/arm.md,
3897 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3898 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3899 config/darwin9.h, config/darwin.c, config/darwin.h,
3900 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3901 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3902 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3903 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3904 config/mips/mips.md, config/mn10300/mn10300.c,
3905 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3906 config/rs6000/aix.h, config/rs6000/dfp.md,
3907 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3908 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3909 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3910 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3911 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3912 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3913 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3914 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3915 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3916 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3917 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3918 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3919 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3920 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3921 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3922 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3923 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3924 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3925 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3926 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3927 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3928 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3929 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3930 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3931 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3932 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3933 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3934 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3935 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3936 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3937 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3938 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3939 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3940 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3941 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3942 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3944 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3947 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3948 * aclocal.m4: Regenerate.
3950 2010-04-02 Richard Guenther <rguenther@suse.de>
3952 PR tree-optimization/43629
3953 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3954 if we have seen a constant value.
3956 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3958 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3960 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3963 * arm.c (legitimize_tls_address): Adjust call to
3964 gen_tls_load_dot_plus_four.
3965 (arm_note_pic_base): New function.
3966 (arm_cannot_copy_insn_p): Use it.
3967 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3970 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3975 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3977 * Makefile.in ($(out_object_file)): Depend on
3978 gt-$(basename $(notdir $(out_file))).h.
3980 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3982 * config.gcc (lm32-*-rtems*): Add t-lm32.
3984 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3986 * config.gcc: Add lm32-*-rtems*.
3987 * config/lm32/rtems.h: New file.
3989 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3992 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3994 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3996 * dwarf2out.c (output_compilation_unit_header): For
3997 -gdwarf-4 use version 4 instead of version 3.
3998 (output_line_info): For version 4 and above emit additional
3999 maximum ops per insn header field.
4000 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4002 * dwarf2out.c (is_c_family, is_java): Remove.
4003 (lower_bound_default): New function.
4004 (add_bound_info, gen_descr_array_type_die): Use it.
4006 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4009 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4010 re-declaration when it happens in a function.
4012 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4014 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4015 (cgraph_remove_function_insertion_hook): Same.
4016 (cgraph_call_function_insertion_hooks): Same.
4018 2010-04-01 Richard Guenther <rguenther@suse.de>
4021 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4022 and TREE_THIS_VOLATILE.
4023 (copy_ref_info): Likewise.
4024 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4025 * tree.c (build6_stat): Ignore side-effects of all but arg5
4026 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4029 2010-04-01 Richard Guenther <rguenther@suse.de>
4031 PR tree-optimization/43607
4032 * ipa-type-escape.c (check_call): Do not access non-existing
4035 2010-04-01 Richard Guenther <rguenther@suse.de>
4039 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4040 Jack Howarth <howarth@bromo.med.uc.edu>
4042 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4045 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4047 * doc/install.texi (Prerequisites): Document libelf usability on
4048 IRIX 5/6 and Solaris 2.
4049 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4050 Update GNU as, GNU ld requirements.
4051 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4052 Document Sun Studio compiler download.
4053 Update and simplify as, ld recommendations.
4054 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4056 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4058 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4059 with_tune_32 to pentium4.
4061 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4063 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4065 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4067 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4068 obsoletion, removal.
4070 Document GNU as requirement.
4071 Update configure requirements.
4072 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4073 Recomment IRIX 6.5.18+.
4074 Document IDF/IDL requirement.
4075 Document GNU as requirement.
4076 Document GNU ld bootstrap failure.
4077 Remove freeware.sgi.com reference.
4079 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4081 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4082 UNIX V4.0, V5.0 obsoletion, removal.
4083 Remove --with-gc=simple reference.
4084 Update VM requirements during bootstrap.
4085 Remove -oldas bootstrap description.
4086 Update binutils reference.
4087 Remove comparison failure note.
4089 2010-03-31 Richard Guenther <rguenther@suse.de>
4090 Zdenek Dvorak <ook@ucw.cz>
4091 Sebastian Pop <sebastian.pop@amd.com>
4094 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4095 with multiple arguments.
4096 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4098 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4100 * graphite-dependences.c (print_pddr): Call print_pdr with an
4102 * graphite-poly.c (debug_pdr): Add an extra argument for the
4105 (print_pbb_domain): Same.
4107 (print_scop_context): Same.
4109 (print_cloog): Same.
4110 (debug_pbb_domain): Same.
4114 (debug_scop_context): Same.
4116 (debug_cloog): Same.
4117 (print_scop_params): Same.
4118 (debug_scop_params): Same.
4119 (print_iteration_domain): Same.
4120 (print_iteration_domains): Same.
4121 (debug_iteration_domain): Same.
4122 (debug_iteration_domains): Same.
4123 (print_scattering_function): Same.
4124 (print_scattering_functions): Same.
4125 (debug_scattering_function): Same.
4126 (debug_scattering_functions): Same.
4127 * graphite-poly.h (debug_pdr): Update declaration.
4129 (print_pbb_domain): Same.
4131 (print_scop_context): Same.
4133 (print_cloog): Same.
4134 (debug_pbb_domain): Same.
4138 (debug_scop_context): Same.
4140 (debug_cloog): Same.
4141 (print_scop_params): Same.
4142 (debug_scop_params): Same.
4143 (print_iteration_domain): Same.
4144 (print_iteration_domains): Same.
4145 (debug_iteration_domain): Same.
4146 (debug_iteration_domains): Same.
4147 (print_scattering_function): Same.
4148 (print_scattering_functions): Same.
4149 (debug_scattering_function): Same.
4150 (debug_scattering_functions): Same.
4152 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4154 * graphite-poly.c (print_scattering_function_1): New.
4155 (print_scattering_function): Call it.
4156 (print_scop_params): Remove spaces at the end of lines.
4159 * graphite-poly.h (print_cloog): Declared.
4160 (debug_cloog): Declared.
4162 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4164 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4166 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4167 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4168 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4169 to switch between adding the IV bump in loop->latch or in loop->header.
4171 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4173 * graphite-poly.c (print_scattering_function): Pretty print following
4176 (print_pbb_domain): Same.
4177 (dump_gbb_cases): Same.
4178 (dump_gbb_conditions): Same.
4181 (print_scop_params): Same.
4182 (print_scop_context): Same.
4184 (print_pbb_body): New.
4185 (lst_indent_to): New.
4186 (print_lst): Start new lines with a #.
4187 * graphite-poly.h (pbb_bb): New.
4188 (pbb_index): Use pbb_bb.
4189 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4191 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4193 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4195 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4196 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4197 and 0 instead of 1 for dw_val_class_flag.
4198 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4199 dw_val_class_range_list, dw_val_class_loc_list,
4200 dw_val_class_lineptr and dw_val_class_macptr, use
4201 DW_FORM_flag_present for dw_val_class_flag and
4202 DW_FORM_exprloc for dw_val_class_loc.
4203 (output_die): For -gdwarf-4 print dw_val_class_loc
4204 size as uleb128 instead of 1 or 2 bytes and don't print
4205 anything for dw_val_class_flag.
4207 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4208 instead of cselib_lookup following by tweaking locs->setting_insn.
4211 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4212 even before returning from label, setjmp call or volatile asm
4215 2010-03-31 Richard Guenther <rguenther@suse.de>
4218 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4219 temporary data on stack.
4221 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4223 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4224 (PUSHSECTION_ASM_OP): Remove.
4225 (POPSECTION_ASM_OP): Remove.
4226 (PUSHSECTION_FORMAT): Remove.
4227 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4228 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4229 * config/sol2.c (solaris_output_init_fini): Use it.
4231 2010-03-31 Jie Zhang <jie@codesourcery.com>
4234 * opt-functions.awk (var_type_struct): Use signed char type
4235 for simple variables.
4237 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4239 * config/sol2.c: Include output.h.
4240 (solaris_assemble_visibility): New function.
4241 * config/t-sol2 (sol2.o): Add output.h dependency.
4242 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4243 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4246 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4249 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4250 V2SImode or XFmode on PRE_DEC.
4253 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4256 2010-03-31 Jie Zhang <jie@codesourcery.com>
4259 * reload.h (caller_save_initialized_p): Declare.
4260 * toplev.c (backend_init_target): Don't call
4261 init_caller_save but set caller_save_initialized_p to false.
4262 * caller-save.c (caller_save_initialized_p): Define.
4263 (init_caller_save): Check caller_save_initialized_p.
4264 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4266 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4269 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4270 and soft-fp/t-softfp to tmake_file.
4271 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4272 (LIBGCC2_TF_CEXT): Define.
4275 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4278 * cselib.c (n_useless_values): Document handling of debug locs.
4279 (n_useless_debug_values, n_debug_values): New variables.
4280 (new_elt_loc_list): Don't add to debug values, keep count.
4281 (promote_debug_loc): New.
4282 (cselib_reset_table): Zero new variables.
4283 (entry_and_rtx_equal_p): Promote debug locs.
4284 (discard_useless_locs): Increment n_useless_debug_values for
4286 (remove_useless_values): Adjust n_useless_values and n_debug_values
4287 with n_useless_debug_values.
4288 (add_mem_for_addr): Promote debug locs.
4289 (cselib_lookup_mem): Likewise.
4290 (cselib_lookup_addr): Renamed to...
4291 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4292 (cselib_log_lookup): ... this. Turn into...
4293 (cselib_lookup_addr): ... new wrapper.
4294 (cselib_lookup_from_insn): New.
4295 (cselib_invalidate_regno): Increment n_useless_debug_values for
4297 (cselib_invalidate_mem): Likewise.
4298 (cselib_process_insn): Take n_deleted and n_debug_values into
4299 account to guard remove_useless_value call.
4300 (cselib_finish): Zero n_useless_debug_values.
4301 * cselib.h (cselib_lookup_from_insn): Declare.
4302 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4303 (sched_analyze_2): Likewise.
4305 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4307 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4309 (adjust_mems): Replace narrowing SUBREG of expression containing
4310 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4311 with operations in the narrower mode.
4314 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4315 regs_invalidated_by_call instead all call_used_reg_set registers.
4317 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4320 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4321 pointer comparisons with types_compatible_p.
4322 * tree-vect-stmts.c (vectorizable_call): Same.
4323 (vectorizable_condition): Same.
4325 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4327 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4328 stack check if the mask would be zero.
4330 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4331 Jack Howarth <howarth@bromo.med.uc.edu>
4333 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4336 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4339 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4341 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4342 Include ___unordxf2 and ___unordtf2.
4343 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4346 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4348 * config/lm32/t-lm32: New file.
4349 * config.gcc: Use the above file when targetting lm32.
4351 2010-03-28 Duncan Sands <baldrick@free.fr>
4353 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4355 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4358 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4359 Improve vectorization cost model diagnostic.
4361 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4364 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4365 compute_data_dependences_for_loop returns false, early exit
4366 and output an extra diagnostic for the failed data reference
4369 2010-03-29 Richard Guenther <rguenther@suse.de>
4371 PR tree-optimization/43560
4372 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4373 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4375 2010-03-29 Jie Zhang <jie@codesourcery.com>
4378 * toplev.c (process_options): Set optimization_default_node
4379 and optimization_current_node.
4380 * opts.c (decode_options): Don't set optimization_default_node
4381 and optimization_current_node.
4383 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4385 * config/rtems.h: Abandon -qrtems_debug.
4387 2010-03-28 Jan Hubicka <jh@suse.cz>
4389 PR tree-optimization/43505
4390 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4391 map should not be copied.
4393 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4396 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4397 cdtors, set DECL_PRESERVE_P.
4398 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4401 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4403 PR tree-optimization/43528
4404 * stor-layout.c (place_field): Check that constant fits into
4405 unsigned HWI when skipping calculation of MS bitfield layout.
4407 2010-03-27 Jan Hubicka <jh@suse.cz>
4410 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4411 notice_global_symbol work.
4413 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4415 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4416 instead of dwarf2out_decl.
4417 (struct var_loc_node): Remove section_label field.
4418 (dwarf2out_function_decl): New function.
4419 (dwarf2out_var_location): Don't set section_label field.
4420 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4422 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4424 PR tree-optimization/43544
4425 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4426 First argument for builtin vectorized function hook is now a
4427 tree to be able to distinguish between machine specific and
4429 * targhooks.c (default_builtin_vectorized_function): Ditto.
4430 * targhooks.h (default_builtin_vectorized_function): Ditto.
4431 * target.h (struct gcc_target): Ditto.
4432 * tree-vect-stmts.c (vectorizable_function): Ditto.
4433 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4434 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4437 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4440 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4441 nested binding iff it is a FUNCTION_DECL.
4442 (store_parm_decls_newstyle): Pass nested=true to bind for
4443 FUNCTION_DECLs amongst parameters.
4445 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4447 * var-tracking.c (vt_expand_loc_callback): Don't run
4448 cselib_expand_value_rtx_cb in dummy mode if
4449 cselib_dummy_expand_value_rtx_cb returned false.
4451 * var-tracking.c (emit_note_insn_var_location): For one part
4452 notes with offset 0, don't add EXPR_LIST around the location.
4453 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4454 add_location_or_const_value_attribute): Adjust for that change.
4457 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4458 into first operand and location into second.
4459 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4460 dw_cfi_oprnd_loc for DW_CFA_expression.
4461 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4462 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4463 assume first argument is regnum and second argument is location.
4465 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4468 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4469 of scratch register to DImode. Split to DImode comparison operator.
4470 Use SImode subreg of scratch register in the multiplication.
4471 (*cmp_sadd_sidi): Ditto.
4472 (*cmp_ssub_si): Ditto.
4473 (*cmp_ssub_sidi): Ditto.
4475 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4478 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4479 Remove invalid assert and wrong comment.
4481 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4484 * flags.h (final_insns_dump_p): New extern.
4485 * final.c (final_insns_dump_p): New variable.
4486 (rest_of_clean_state): Set it before -fdump-final-insns=
4487 dumping, clear afterwards.
4488 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4489 MEM_ALIAS_SET on MEMs.
4491 2010-03-26 David S. Miller <davem@davemloft.net>
4493 * configure.ac: Fix sparc GOTDATA_OP bug check.
4494 * configure: Rebuild.
4496 2010-03-26 Alan Modra <amodra@gmail.com>
4498 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4500 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4502 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4503 TLS_SECTION_ASM_FLAG.
4505 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4508 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4509 Clear first_function_block_is_cold.
4512 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4513 argument if the argument is truth_value_p.
4515 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4517 * config/rs6000/constraints.md: Update copyright year for my changes.
4520 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4521 used in reg+reg addressing, swap registers.
4523 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4526 * target.h (struct gcc_target): Add code_end hook.
4527 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4529 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4530 * toplev.c (compile_file): Call targetm.asm_out.code_end
4531 hook before unwind info/debug info output.
4532 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4533 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4534 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4535 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4536 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4537 * config/i386/i386.c (ix86_file_end): Renamed to...
4538 (ix86_code_end): ... this. Make static. Don't call
4539 file_end_indicate_exec_stack. Emit unwind info using
4540 final_start_function/final_end_function.
4541 (darwin_x86_file_end): Remove.
4542 (TARGET_ASM_CODE_END): Define.
4543 * config/i386/i386.h (TARGET_ASM_FILE_END,
4544 NEED_INDICATE_EXEC_STACK): Don't define.
4545 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4546 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4547 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4548 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4551 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4552 at the beginning and final_end_function at the end.
4553 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4555 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4557 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4558 and Sun as TLS syntax.
4559 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4560 * configure: Regenerate.
4561 * config.in: Regenerate.
4562 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4563 (default_elf_asm_named_section): Use it.
4564 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4565 (i386_output_dwarf_dtprel): Likewise.
4566 (output_addr_const_extra): Likewise.
4567 (output_pic_addr_const): Lowercase @GOTTPOFF.
4568 (output_addr_const_extra): Likewise.
4569 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4570 (output_addr_const_extra): Likewise.
4571 (output_pic_addr_const): Lowercase @INDNTPOFF.
4572 (output_addr_const_extra): Likewise.
4573 (output_pic_addr_const): Lowercase @NTPOFF.
4574 (output_addr_const_extra): Likewise.
4575 (output_pic_addr_const): Lowercase @TPOFF.
4576 (output_addr_const_extra): Likewise.
4577 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4578 (*tls_global_dynamic_64): Likewise.
4579 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4580 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4582 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4583 (ASM_OUTPUT_TLS_COMMON): Use it.
4584 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4587 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4588 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4589 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4590 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4591 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4592 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4594 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4596 * config/i386/i386.c (override_options): Don't accept
4597 -mtls-dialect=sun any longer.
4598 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4599 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4600 (*tls_local_dynamic_base_32_sun): Likewise.
4601 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4603 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4606 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4607 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4610 * ira.c (adjust_cleared_regs): New function.
4611 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4615 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4617 * expr.c (expand_expr_real): Restore previous
4618 curr_insn_source_location and curr_insn_block after
4619 expand_expr_real_1 call.
4620 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4621 instead of expand_expr_real_1.
4623 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4625 PR rtl-optimization/43413
4626 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4629 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4632 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4633 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4635 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4637 * config/i386/i386.c (ix86_target_string): Add -mfma.
4638 Fix a typo in comment.
4640 2010-03-22 Mike Stump <mikestump@comcast.net>
4643 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4644 Don't overly align based upon packed packed fields.
4646 2010-03-22 Jason Merrill <jason@redhat.com>
4648 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4649 Use () rather than [], and move before the element type.
4651 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4653 * doc/configfiles.texi (Configuration Files): Removed
4654 fixinc/Makefile*, intl/Makefile.*.
4655 * doc/makefile.texi: Fixed markup. Abstract from version
4656 control system used.
4657 (Makefile): Removed obsolete gcc/java/parse.y example.
4658 * doc/sourcebuild.texi: Likewise.
4659 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4660 libgomp, libssp. Removed fastjar.
4661 (Miscellaneous Docs): Clarify location.
4662 Added COPYING3, COPYING3.LIB.
4663 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4665 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4668 * config/i386/i386.c (x86_function_profiler)
4669 [!NO_PROFILE_COUNTERS]: Fix typo.
4670 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4673 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4674 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4676 * doc/sourcebuild.texi (Test Directives): Split into six
4677 subsections, with most of the current text in new subsections
4678 Directives, Selectors, and Final Actions.
4679 (Directives): Split list of test directives into multiple
4681 (Selectors): Describe use and syntax of selectors.
4682 (Effective-Target Keywords): Describe all existing keywords.
4683 (Add Options): Describe features for dg-add-options.
4684 (Require Support): Describe variants of dg-require-support.
4685 (Final Actions): Describe commands to use in dg-final.
4687 2010-03-22 Michael Matz <matz@suse.de>
4690 * recog.c (validate_replace_rtx_group): Replace also in
4691 REG_EQUAL and REG_EQUIV notes.
4693 2010-03-22 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/43390
4696 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4697 sure vector extracts are type correct.
4699 2010-03-22 Richard Guenther <rguenther@suse.de>
4702 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4703 x * sqrt (x) even when optimizing for size if the target
4704 has native support for sqrt.
4706 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4708 * varasm.c (make_decl_rtl_for_debug): Also clear
4709 flag_mudflap for the duration of make_decl_rtl call.
4712 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4713 locs from preserved VALUEs.
4715 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4718 * pa.md (movmemsi): Set align to one if zero.
4719 (movmemdi): Likewise.
4721 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4724 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4725 with their corresponding prologue pushes.
4727 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4730 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4731 at the begining or end.
4732 (spu_expand_epilogue): Likewise.
4734 2010-03-20 Richard Guenther <rguenther@suse.de>
4736 PR rtl-optimization/43438
4737 * combine.c (make_extraction): Properly zero-/sign-extend an
4738 extraction of the low part of a CONST_INT. Also handle
4741 2010-03-19 Mike Stump <mikestump@comcast.net>
4743 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4744 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4745 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4747 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4750 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4753 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4755 PR rtl-optimization/42258
4756 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4757 use that may match DEF.
4760 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4761 the cost of loading the constant rather than assuming
4763 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4764 outer code is AND, do the same tests as the andsi3 expander and
4765 return COSTS_N_INSNS (1) if and is cheap.
4767 * optabs.c (avoid_expensive_constant): Fix formatting.
4769 2010-03-19 Michael Matz <matz@suse.de>
4772 * attribs.c (decl_attributes): When rebuilding a function pointer
4773 type use the same qualifiers as the original pointer type.
4775 2010-03-19 Martin Jambor <mjambor@suse.cz>
4777 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4778 and is_gimple_ip_invariant_address.
4780 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4783 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4785 * config/arm/arm.c (arm_override_options): Turn off
4786 flag_dwarf2_cfi_asm for AAPCS variants.
4788 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4791 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4792 Use PRE_MODIFY instead of PRE_DEC.
4793 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4794 (vfp_emit_fstmd): Likewise.
4796 2010-03-19 Michael Matz <matz@suse.de>
4799 * builtins.c (expand_builtin_interclass_mathfn,
4800 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4803 2010-03-19 Richard Guenther <rguenther@suse.de>
4805 PR tree-optimization/43415
4806 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4807 (phi_translate_1): ... this.
4808 (phi_translate): Move all caching here. Cache all NARY
4809 and REFERENCE translations.
4811 2010-03-19 David S. Miller <davem@davemloft.net>
4813 With help from Eric Botcazou.
4814 * config/sparc/sparc.c: Include dwarf2out.h.
4815 (emit_pic_helper): Delete.
4816 (pic_helper_symbol_name): Delete.
4817 (pic_helper_emitted_p): Delete.
4818 (pic_helper_needed): New.
4819 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4820 (get_pc_thunk_name): New.
4821 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4822 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4823 Set pic_helper_needed to true. Don't call emit_pic_helper.
4824 (sparc_expand_prologue): Update load_pic_register call.
4825 (sparc_output_mi_thunk): Likewise.
4826 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4827 thunk if possible. Output CFI information as needed.
4829 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4830 Jack Howarth <howarth@bromo.med.uc.edu>
4833 * config/i386/i386.h: Fix ABI on darwin x86-32.
4835 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4837 * tree.h: Declare make_decl_rtl_for_debug.
4838 * varasm.c (make_decl_rtl_for_debug): New.
4839 * dwarf2out.c (rtl_for_decl_location): Call it.
4840 * cfgexpand.c (expand_debug_expr): Call it.
4842 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4845 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4849 * var-tracking.c (vt_init_cfa_base): Do nothing if
4850 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4852 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4855 * var-tracking.c (canonicalize_vars_star): New.
4856 (dataflow_post_merge_adjust): Use it.
4858 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4861 * var-tracking.c (non_suitable_const): New function.
4862 (add_uses): For DEBUG_INSNs with constants, don't record any
4863 value, instead just the constant value itself.
4864 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4865 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4866 (emit_notes_in_bb): Likewise.
4867 (emit_note_insn_var_location): For onepart variables if
4868 cur_loc is a VOIDmode constant, use DECL_MODE.
4870 2010-03-18 Martin Jambor <mjambor@suse.cz>
4873 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4874 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4875 all non-clones. Moved call redirection...
4876 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4877 (cgraph_materialize_all_clones): Dispose of all
4878 combined_args_to_skip bitmaps.
4879 (verify_cgraph_node): Do not check for edges pointing to wrong
4880 nodes in inline clones.
4881 * tree-inline.c (copy_bb): Call
4882 cgraph_redirect_edge_call_stmt_to_callee.
4883 * ipa.c (cgraph_remove_unreachable_nodes): Call
4884 cgraph_node_remove_callees even when there are used clones.
4886 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4888 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4890 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4893 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4896 2010-03-18 Michael Matz <matz@suse.de>
4899 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4900 into sqrt(x) if we need to preserve signed zeros.
4902 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4903 Eric Botcazou <ebotcazou@adacore.com>
4905 PR rtl-optimization/43360
4906 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4907 note if we don't know its invariant status.
4909 2010-03-18 Michael Matz <matz@suse.de>
4911 PR tree-optimization/43402
4912 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4913 PHI chains of ssa names registered for update.
4915 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4918 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4919 non-offsettable and pre_modify update addressing.
4920 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4921 and "2" alternatives "#".
4922 (*movdd_softfloat32): Make all alternatives "#";
4923 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4924 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4925 (*movdf_softfloat32): Make all alternatives "#";
4926 (movdi): Use the new DIFD mode iterator to create a common splitter
4927 for movdi, movdf and movdd patterns.
4929 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4931 * common.opt (dumpdir): Remove redundant tab.
4933 2010-03-17 Martin Jambor <mjambor@suse.cz>
4935 PR tree-optimization/43347
4936 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4937 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4939 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4941 PR rtl-optimization/42216
4942 * regrename.c (create_new_chain): New function, broken out from...
4943 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4944 appending a use to an empty chain.
4945 (build_def_use): Remove previous changes that convert OP_INOUT to
4946 OP_OUT operands; instead detect the case where an OP_INOUT operand
4947 uses a previously untracked register and create an empty chain for it.
4949 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4951 * doc/extend.texi (Function Attributes): Rewrite unfinished
4952 sentence in ms_abi documentation.
4954 2010-03-17 Alan Modra <amodra@gmail.com>
4956 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4957 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4958 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4959 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4961 2010-03-16 Richard Henderson <rth@redhat.com>
4964 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4965 (lower_try_finally): Save and restore eh_seq around the expansion
4968 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4970 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4971 statements before splitting block.
4973 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4975 * doc/sourcebuild.texi (Testsuites): Fix markup.
4976 Use pathnames relative to gcc/testsuite.
4977 (Test Directives): Move description of how timeout is determined.
4978 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4979 (C Tests): Correct gcc.misc-tests directory.
4980 Framework tests now live in gcc.test-framework.
4982 2010-03-16 Richard Guenther <rguenther@suse.de>
4985 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4986 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4988 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4989 Alexandre Oliva <aoliva@redhat.com>
4991 PR tree-optimization/42917
4992 * lambda-code.c (remove_iv): Skip debug statements.
4993 (lambda_loopnest_to_gcc_loopnest): Likewise.
4994 (not_interesting_stmt): Debug statements are not interesting.
4996 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5000 * cselib.c (cselib_preserve_constants,
5001 cfa_base_preserved_val): New static variables.
5002 (preserve_only_constants): New function.
5003 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5004 clear its REG_VALUES. If cselib_preserve_constants, don't
5005 empty the whole hash table, but preserve there VALUEs with constants,
5006 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5007 (cselib_preserve_cfa_base_value): New function.
5008 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5009 (cselib_init): Change argument to int bitfield. Set
5010 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5012 (cselib_finish): Clear cselib_preserve_constants and
5013 cfa_base_preserved_val.
5014 * cselib.h (enum cselib_record_what): New enum.
5015 (cselib_init): Change argument to int.
5016 (cselib_preserve_cfa_base_value): New prototype.
5017 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5018 * dse.c (dse_step1): Likewise.
5019 * cfgcleanup.c (thread_jump): Likewise.
5020 * sched-deps.c (sched_analyze): Likewise.
5021 * gcse.c (local_cprop_pass): Likewise.
5022 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5023 If FN is non-NULL, call the callback always and whenever it returns
5024 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5025 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5026 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5027 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5028 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5029 * var-tracking.c: Include recog.h.
5030 (bb_stack_adjust_offset): Remove.
5031 (vt_stack_adjustments): Don't call it, instead just gather the
5032 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5033 (adjust_stack_reference): Remove.
5034 (compute_cfa_pointer): New function.
5035 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5036 (struct adjust_mem_data): New type.
5037 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5039 (get_address_mode): New function.
5040 (replace_expr_with_values): Use it.
5041 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5042 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5043 (adjust_sets): Remove.
5044 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5045 Use get_address_mode.
5046 (get_adjusted_src): Remove.
5047 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5048 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5049 (add_with_sets): Don't call adjust_sets.
5050 (fp_setter, vt_init_cfa_base): New functions.
5051 (vt_initialize): Change return type to bool. Move most of pool etc.
5052 initialization to the beginning of the function from end. Pass
5053 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5054 If !frame_pointer_needed, call vt_stack_adjustment before mos
5055 vector is filled, call vt_init_cfa_base if argp/framep has been
5056 eliminated to sp. If frame_pointer_needed and argp/framep has
5057 been eliminated to hard frame pointer, set
5058 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5059 encountering fp setter in the prologue. For MO_ADJUST, call
5060 log_op_type before pusing the op into mos vector, not afterwards.
5061 Call adjust_insn before cselib_process_insn/add_with_sets,
5062 call cancel_changes (0) afterwards.
5063 (variable_tracking_main_1): Adjust for vt_initialize calling
5064 vt_stack_adjustments and returning whether it succeeded or not.
5066 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5068 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5071 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5073 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5075 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5076 drap_reg has not been set.
5078 2010-03-15 Michael Matz <matz@suse.de>
5081 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5082 use it to expand block copies.
5083 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5084 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5085 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5087 2010-03-15 Richard Guenther <rguenther@suse.de>
5089 PR tree-optimization/43367
5090 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5093 2010-03-15 Richard Guenther <rguenther@suse.de>
5095 PR tree-optimization/43317
5096 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5098 2010-03-15 Martin Jambor <mjambor@suse.cz>
5100 PR tree-optimization/43141
5101 * tree-sra.c (create_abstract_origin): New function.
5102 (modify_function): Call create_abstract_origin.
5104 2010-03-15 Chris Demetriou <cgd@google.com>
5106 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5109 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5112 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5113 call insert_out_of_ssa_copy for default definitions.
5115 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5117 * graphite-clast-to-gimple.c (my_long_long): Defined.
5118 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5119 * graphite-sese-to-poly.c (my_long_long): Defined.
5120 (scop_ivs_can_be_represented): Use it.
5122 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5124 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5125 graphite-max-bbs-per-function, and loop-block-tile-size.
5126 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5128 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5130 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5132 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5133 forward declaration.
5134 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5135 (add_upper_bounds_from_estimated_nit): New.
5136 (build_loop_iteration_domains): Use it.
5138 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5140 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5142 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5145 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5146 should be an INTEGER_CST. Also handle CASE_CONVERT.
5148 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5150 * graphite.c (graphite_initialize): To bound the number of bbs per
5151 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5152 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5153 * doc/invoke.texi: Document it.
5155 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5157 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5158 * graphite-sese-to-poly.h (build_poly_scop): Same.
5160 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5162 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5163 the number of parameters in the scop. Use as an upper bound
5164 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5165 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5166 * doc/invoke.texi: Document it.
5168 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5170 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5171 * doc/c-tree.texi: Remove.
5172 * doc/generic.texi: Merge c-tree.texi here.
5173 * doc/gccint.texi (Trees): Remove menu entry.
5174 (c-tree.texi): Remove @include.
5175 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5176 * doc/languages.texi (Reading RTL): Ditto.
5178 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5181 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5183 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5186 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5187 code added to work around reload clobbering CONST insns.
5189 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5191 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5192 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5193 (cselib_preserve_only_values): Remove retain argument, don't
5194 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5195 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5196 * var-tracking.c (micro_operation): Move insn field before union.
5197 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5198 (struct variable_tracking_info_def): Remove n_mos field, change
5199 mos into a vector of micro_operations.
5200 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5201 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5202 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5203 changing into a vector.
5204 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5205 come before all other uops generated by add_stores.
5206 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5208 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5209 a vector. Run just one pass over the bbs instead of separate counting
5210 and computation phase.
5211 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5214 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5215 into *nonlocalized_list vector.
5216 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5217 even if origin is non-NULL.
5218 (gen_variable_die): Likewise.
5219 (process_scope_var): Don't change origin.
5220 (gen_decl_die): Likewise.
5221 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5222 before adding new edges instead of after it, fix moving over
5225 2010-03-11 David S. Miller <davem@davemloft.net>
5227 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5229 * configure: Rebuild.
5231 2010-03-11 Martin Jambor <mjambor@suse.cz>
5233 PR tree-optimization/43257
5234 * tree.c (assign_assembler_name_if_neeeded): New function.
5235 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5237 * tree.h (assign_assembler_name_if_neeeded): Declare.
5238 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5239 the function if needed.
5241 2010-03-11 Chris Demetriou <cgd@google.com>
5243 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5244 include/stdint-gcc.h, and include/stdint.h world-readable.
5246 2010-03-11 Richard Guenther <rguenther@suse.de>
5248 PR tree-optimization/43255
5249 * tree-vrp.c (process_assert_insertions_for): Do not insert
5250 asserts for trivial conditions.
5252 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5254 PR tree-optimization/43280
5255 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5256 generation. Move calculation of size out of the if branch.
5257 (find_bswap): Modify compare number generation.
5259 2010-03-11 Richard Guenther <rguenther@suse.de>
5262 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5263 (input_gimple_stmt): Fixup handled component types during
5264 operand read. Also fix up decls in ADDR_EXPRs.
5266 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5268 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5269 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5271 2010-03-10 Jan Hubicka <jh@suse.cz>
5274 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5275 * varasm.c (get_variable_section): Don't do that here...
5276 (make_decl_rtl): ... and here.
5277 (do_assemble_alias): Produce decl RTL.
5278 (assemble_alias): Likewise.
5280 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5283 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5284 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5286 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5287 (based_loc_descr): Only express drap or vdrap regno based expressions
5288 using DW_OP_fbreg when not optimizing.
5289 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5290 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5291 REG_CFA_SET_VDRAP note.
5293 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5295 PR tree-optimization/43236
5296 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5297 error in calculation of base address in reverse iteration case.
5298 (generate_builtin): Take number of latch executions if the statement
5301 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5304 * tree-eh.c: Include pointer-set.h.
5305 (lower_eh_dispatch): Filter out duplicate case labels and
5306 remove the unneeded edge when the label is unused. Return
5307 true when some edges are removed.
5308 (execute_lower_eh_dispatch): When any lowering resulted in
5309 removing an edge, also delete unreachable blocks.
5311 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5314 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5315 UNSPEC_MACHOPIC_OFFSET.
5317 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5320 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5321 (m68k_delegitimize_address): New function.
5323 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5326 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5329 * var-tracking.c (adjust_sets): New function.
5330 (count_with_sets, add_with_sets): Use it.
5331 (get_adjusted_src): New inline function.
5332 (add_stores): Use it.
5335 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5336 call cselib_dummy_expand_value_rtx_cb instead of
5337 cselib_expand_value_rtx_cb.
5340 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5341 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5342 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5343 and .cfi_endproc around the pic thunks.
5344 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5345 all queued unwind info register saves are saved before the call.
5346 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5347 considered as sp-=4 for unwind info and the pop as sp+=4 which
5348 also clobbers dest, but doesn't actually restore it.
5351 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5352 RTX_FRAME_RELATED_P.
5354 2010-03-09 Jie Zhang <jie@codesourcery.com>
5356 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5357 whitespaces in output template.
5359 2010-03-09 Jie Zhang <jie@codesourcery.com>
5361 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5364 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5366 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5367 builtins.exp in a separate job.
5369 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5371 * graphite-sese-to-poly.c (add_param_constraints): Use
5372 lower_bound_in_type and upper_bound_in_type.
5374 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5376 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5377 instead of unsigned_type_node.
5379 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5380 Reza Yazdani <reza.yazdani@amd.com>
5383 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5384 on pointer type parameters.
5386 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5390 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5391 handle conversions from pointer to integers.
5392 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5393 induction variable, to be able to work with code generated by CLooG.
5394 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5395 (build_poly_scop): Bail out if we cannot codegen a loop.
5397 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5399 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5400 code generation with gloog_error.
5402 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5404 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5405 Call fold_convert on all the returned values.
5406 (expand_scalar_variables_expr): Pass to
5407 expand_scalar_variables_ssa_name the type of the resulting expression.
5409 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5411 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5412 ppl_min_for_le_pointset.
5413 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5414 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5416 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5418 * graphite-dependences.c (map_into_dep_poly): Removed.
5419 (dependence_polyhedron_1): Use combine_context_id_scat.
5421 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5423 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5424 (struct poly_bb): Same.
5425 (combine_context_id_scat): New.
5427 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5430 * sese.c (name_defined_in_loop_p): Return false for default
5433 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5435 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5436 and clean up the logic.
5438 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5440 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5443 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5445 * var-tracking.c (remove_cselib_value_chains): Define only for
5447 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5448 delete_slot_part, emit_notes_for_differences_1): Don't call
5449 remove_cselib_value_chains here.
5450 (set_slot_part, emit_notes_for_differences_2): Don't call
5451 add_cselib_value_chains here.
5452 (preserved_values): New vector.
5453 (preserve_value): New function.
5454 (add_uses, add_stores, vt_add_function_parameters): Use it
5455 instead of cselib_preserve_value.
5456 (changed_values_stack): New vector.
5457 (check_changed_vars_0): New function.
5458 (check_changed_vars_1, check_changed_vars_2): Use it.
5459 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5460 changed_values_stack VALUEs.
5461 (vt_emit_notes): For all preserved_values call
5462 add_cselib_value_chains. If ENABLE_CHECKING call
5463 remove_cselib_value_chains before verifying value_chains is empty.
5464 Initialize and free changed_values_stack.
5465 (vt_initialize): Initialize preserved_values.
5466 (vt_finalize): Free preserved_values.
5468 2010-03-08 Richard Guenther <rguenther@suse.de>
5470 PR tree-optimization/43269
5471 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5474 2010-03-08 Martin Jambor <mjambor@suse.cz>
5476 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5477 (ipa_is_param_called): Removed.
5478 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5479 (ipa_print_node_params): Do not print the called flag.
5480 (ipa_write_node_info): Do not stream the called flag.
5481 (ipa_read_node_info): Likewise.
5483 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5486 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5487 * cselib.c (struct expand_value_data): Add dummy field.
5488 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5490 (cselib_dummy_expand_value_rtx_cb): New function.
5491 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5493 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5494 * var-tracking.c: Include pointer-set.h.
5495 (variable): Change n_var_parts to char from int. Add
5496 cur_loc_changed and in_changed_variables fields.
5497 (variable_canonicalize): Remove.
5498 (shared_var_p): New inline function.
5499 (unshare_variable): Maintain cur_loc_changed and
5500 in_changed_variables fields. If var was in changed_variables,
5501 replace it there with new_var. Just copy cur_loc instead of
5502 resetting it to something else.
5503 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5504 (dataflow_set_union): Don't call variable_canonicalize.
5505 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5506 of their DEBUG_EXPR_TREE_DECLs.
5507 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5508 and in_changed_variables and cur_loc_changed is false.
5509 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5510 and cur_loc_changed. Don't update cur_loc here.
5511 (variable_merge_over_src): Don't call variable_canonicalize.
5512 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5513 removing loc that is equal to cur_loc, clear cur_loc,
5514 set cur_loc_changed and ensure variable_was_changed is called.
5515 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5516 compare pointers in cur_loc check, if it is equal to loc,
5517 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5518 (variable_different_p): Remove compare_current_location argument,
5519 don't compare cur_loc.
5520 (dataflow_set_different_1): Adjust variable_different_p caller.
5521 (variable_was_changed): If dv had some var in changed_variables
5522 already, reset in_changed_variables flag for it and propagate
5523 cur_loc_changed over to the new variable. On empty var
5524 always set cur_loc_changed. Set in_changed_variables on whatever
5525 var is added to changed_variables.
5526 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5527 Use shared_var_p. When removing loc that is equal to cur_loc,
5528 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5529 end, don't set it to something else, just call variable_was_changed.
5530 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5531 loc being removed, clear cur_loc and set cur_loc_changed.
5532 Set cur_loc_changed if all locations have been removed.
5533 (struct expand_loc_callback_data): New type.
5534 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5535 allocated. Always create SUBREGs if simplify_subreg failed.
5536 Prefer to use cur_loc, when that fails and still in
5537 changed_variables (and seen first time) recompute it. Set
5538 cur_loc_changed of variables which had to change cur_loc and
5539 compute elcd->cur_loc_changed if any of the subexpressions used
5540 had to change cur_loc.
5541 (vt_expand_loc): Adjust to pass arguments in
5542 expand_loc_callback_data structure.
5543 (vt_expand_loc_dummy): New function.
5544 (emitted_notes): New variable.
5545 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5546 that weren't used for any other decl in current
5547 emit_notes_for_changes call call vt_expand_loc_dummy to update
5548 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5549 first loc_chain location if NULL before. Always use just
5550 cur_loc instead of first loc_chain location. When cur_loc_changed
5551 is false, when not --enable-checking=rtl just don't emit any note.
5552 When rtl checking, compute the note and assert it is the same
5553 as previous note. Clear cur_loc_changed and in_changed_variables
5554 at the end before removing from changed_variables.
5555 (check_changed_vars_3): New function.
5556 (emit_notes_for_changes): Traverse changed_vars to call
5557 check_changed_vars_3 on each changed var.
5558 (emit_notes_for_differences_1): Clear cur_loc_changed and
5559 in_changed_variables. Recompute cur_loc of new_var.
5560 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5561 (vt_emit_notes): Initialize and destroy emitted_notes.
5563 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5565 PR rtl-optimization/42220
5566 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5567 Use verify_reg_tracked to determine if we should use OP_OUT rather
5569 (build_def_use): If we see an in-out operand for a register that we
5570 know nothing about, treat is an output if possible, fail the block if
5573 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5576 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5579 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5582 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5583 uses of relevant DEFs that are dead outside the loop too.
5585 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5587 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5589 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5591 * var-tracking.c (values_to_unmark): New variable.
5592 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5593 values_to_unmark vector. Moved body to...
5594 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5595 instead queue it into values_to_unmark vector.
5596 (vt_find_locations): Free values_to_unmark vector.
5598 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5600 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5601 (site.exp): Export them when plugins are enabled.
5603 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5606 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5608 (chrec_fold_multiply): Same.
5610 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5613 * c-decl.c (build_compound_literal): Return early if init is
5616 2010-03-04 Martin Jambor <mjambor@suse.cz>
5618 PR tree-optimization/43164
5619 PR tree-optimization/43191
5620 * tree-sra.c (type_consists_of_records_p): Reject records with
5621 zero-size bit-fields at the end.
5623 2010-03-04 Mike Stump <mikestump@comcast.net>
5625 * Makefile.in (TAGS): Remove *.y.
5627 2010-03-04 Richard Guenther <rguenther@suse.de>
5629 PR tree-optimization/40761
5630 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5632 (my_rev_post_order_compute): New function.
5633 (init_pre): Call it.
5635 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5638 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5639 decrease the cost of an IV candidate when the cost is infinite.
5641 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5643 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5644 Use '3DNow!' for the extension of that name, ensure normal space
5646 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5648 2010-03-03 Jeff Law <law@redhat.com>
5650 * PR middle-end/32693
5651 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5652 than gen_rtx_SUBREG.
5653 (extract_bit_field_1): Likewise.
5655 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5657 * doc/sourcebuild.texi (Test directives): Document that arguments
5658 include-opts and exclude-opts are now optional for dg-skip-if,
5659 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5661 2010-03-03 Jason Merrill <jason@redhat.com>
5664 * cgraph.h (varpool_node): Add extra_name field.
5665 * varpool.c (varpool_extra_name_alias): New.
5666 (varpool_assemble_decl): Emit extra name aliases.
5667 (varpool_mark_needed_node): Look past an extra name alias.
5668 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5669 * lto-streamer-in.c (lto_input_tree): Read it.
5670 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5672 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5674 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5675 (sparc*-*-solaris2*): ...this.
5677 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5680 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5681 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5682 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5683 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5686 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5687 fallthrough to default handling, just with want_address 0 instead of 2.
5688 For single element lists, add_AT_loc directly, otherwise create an
5689 artificial variable DIE and stick location list to it.
5692 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5693 (VAL_EXPR_HAS_REVERSE): Define.
5694 (reverse_op): New function.
5695 (add_stores): For reversible operations add an extra MO_VAL_USE.
5697 2010-03-02 Jason Merrill <jason@redhat.com>
5699 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5701 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5703 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5704 (sparc64-*-linux*): Likewise.
5705 (sparc64-*-solaris2*): Include assembler files before linker ones.
5706 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5707 * config/sparc/gas.h: Delete.
5708 * config/sparc/sol2-64.h: Add copyright notice.
5709 * config/sparc/sol2-gas-bi.h: Likewise.
5710 * config/sparc/sol2-gld.h: Likewise.
5711 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5712 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5713 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5714 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5715 (sparc_elf_asm_named_section): Rename into...
5716 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5718 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5720 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5722 2010-03-02 Jeff Law <law@redhat.com>
5725 * reload1.c (rtx_p, substitute_stack): Declare.
5726 (substitute): Record addresses of changed rtxs.
5727 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5728 Restore the original rtx when complete.
5729 (reload): Free subsitute_stack when complete.
5731 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5733 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5734 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5736 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5737 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5738 Torture Tests): Change from subsection to section.
5740 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5741 Steven Bosscher <steven@gcc.gnu.org>
5743 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5746 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5749 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5750 the assignment from the new induction variable to the assignment
5751 of the value from the original loop PHI function.
5753 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5754 Daniel Jacobowitz <dan@codesourcery.com>
5756 * doc/sourcebuild.texi (Test directives): Clarify options to
5759 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5761 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5762 Disable cfi directives unless GCC and gas agree on using read-only
5763 .eh_frame sections for 64-bit.
5764 * configure: Regenerate.
5766 2010-03-01 Richard Guenther <rguenther@suse.de>
5768 PR tree-optimization/43220
5769 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5770 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5772 2010-03-01 Richard Guenther <rguenther@suse.de>
5773 Martin Jambor <mjambor@suse.cz>
5776 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5777 gimplified parameters.
5779 2010-03-01 Christian Bruel <christian.bruel@st.com>
5781 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5783 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5785 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5787 2010-03-01 Richard Guenther <rguenther@suse.de>
5790 * expr.c (expand_assignment): Use the alias-oracle to tell
5791 if the rhs aliases the result decl.
5793 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5796 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5797 to sol_gt_pch_get_address.
5798 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5799 64-bit, SPARC and x86.
5800 (sol_gt_pch_get_address): New function.
5802 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5804 * toplev.h (inform_n, error_n): Declare.
5805 * diagnostic.c (inform_n, error_n): New function.
5807 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5809 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5810 has no rtl yet when processing local_decls, queue it and recheck
5811 if deferred stack allocation hasn't assigned it rtl.
5813 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5815 * config/sh/sh.c (unspec_bbr_uid): New.
5816 (gen_block_redirect): Use it instead of INSN_UID.
5817 (gen_far_branch): Likewise.
5819 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5821 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5822 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5824 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5826 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5827 (Warning Options): -Wno-conversion-null is valid for
5828 Objective-C++ as well.
5829 * doc/tm.texi (Named Address Spaces): Likewise.
5830 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5831 * doc/tree-ssa.texi (Tree SSA): Likewise.
5833 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5836 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5837 by default. Don't set the default arch for
5838 i[34567]86-*-darwin*|x86_64-*-darwin*.
5840 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5843 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5844 default. Set the default 32bit/64bit archs with $with_arch
5845 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5847 2010-02-27 Richard Guenther <rguenther@suse.de>
5849 PR tree-optimization/43186
5850 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5851 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5852 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5853 unroller iterations.
5855 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5857 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5858 required and i[34567]86-*-* targets don't support 64bit ISA.
5860 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5863 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5866 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5868 * config.gcc: Set the default arch at least to Prescott for
5869 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5870 if SSE math is enabled.
5872 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5874 * diagnostic.c (diagnostic_initialize): Update.
5875 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5877 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5878 (diagnostic_inhibit_notes): New.
5879 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5881 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5884 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5885 * doc/standards.texi: Likewise.
5886 * doc/extend.texi: Likewise.
5887 * doc/trouble.texi: Likewise.
5888 * doc/cppopts.texi: Likewise.
5889 * doc/install.texi: Likewise.
5890 * c.opt (std=c90,std=gnu90): New options.
5891 * c-opts.c (c_common_handle_option): Handle them.
5893 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5896 * c-decl.c (undeclared_variable): Use an informative note.
5898 2010-02-26 Richard Guenther <rguenther@suse.de>
5900 PR tree-optimization/43186
5901 * gimple.h (gimple_fold): Remove.
5902 * gimple.c (gimple_fold): Remove. Inline into single user ...
5903 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5904 Try harder for conditions.
5906 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5909 * function.c (used_types_insert): Don't skip through named pointer
5910 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5911 and it is different from the main variant's type.
5913 2010-02-26 Nick Clifton <nickc@redhat.com>
5915 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5917 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5919 * config.gcc: Support --with-fpmath=sse for x86.
5921 * config/i386/ssemath.h: New.
5923 * doc/install.texi (--with-fpmath=sse): Documented.
5925 2010-02-26 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/43188
5928 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5929 vector types of over-aligned element type.
5931 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5934 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5935 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5937 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5939 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5941 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5943 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5944 * var-tracking.c: Include diagnostic.h.
5945 (debug_dv): New function.
5946 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5949 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5950 (add_value_chain, add_value_chains, remove_value_chain,
5951 remove_value_chains): Handle DEBUG_EXPRs.
5952 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5955 * regcprop.c (struct queued_debug_insn_change): New type.
5956 (struct value_data_entry): Add debug_insn_changes field.
5957 (struct value_data): Add n_debug_insn_changes field.
5958 (debug_insn_changes_pool): New variable.
5959 (free_debug_insn_changes, apply_debug_insn_changes,
5960 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5961 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5962 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5964 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5966 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5967 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5968 changes, call cprop_find_used_regs via note_stores.
5969 (copyprop_hardreg_forward): When copying vd from predecessor
5970 which has any queued DEBUG_INSN changes, make sure the pointers are
5971 cleared. At the end call df_analyze and then if there are any
5972 DEBUG_INSN changes queued at the end of some basic block for still
5973 live registers, apply them.
5974 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5976 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5978 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5981 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5983 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5984 targets. Set the default with_cpu/with_arch from arch/cpu.
5985 Allow x86-64 and native for with_cpu/with_arch.
5987 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5989 * ebitmap.c: Change calls to verify_popcount with calls to
5990 sbitmap_verify_popcount.
5991 (ebitmap_clear_bit): Fixed map->cacheindex test and
5992 map>cache update when bit clearing results in an empty
5995 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5998 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5999 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6000 and support both V2DF and V2DI modes.
6001 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6002 support both V2DF and V2DI modes.
6003 (general): Delete trailing whitespace from a few patterns.
6005 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6006 V2DF/V2DI interleave high/low builtins.
6008 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6011 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6012 interleave high/low functions.
6014 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6016 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6017 #pragma extern_prefix.
6019 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6022 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6023 BLKmode, assert op0 is a MEM and just adjust its mode.
6026 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6027 if bitpos isn't multiple of mode's bitsize.
6029 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6031 * c.opt (-ftemplate-depth=): New.
6032 (-ftemplate-depth-): Deprecate.
6033 * optc-gen.awk: Handle -ftemplate-depth=.
6034 * opth-gen.awk: Likewise.
6035 * c-opts.c (c_common_handle_option): Likewise.
6036 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6038 2010-02-24 Jason Merrill <jason@redhat.com>
6040 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6042 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6044 * cfg.c (alloc_aux_for_block): Remove inline.
6045 (alloc_aux_for_edge): Likewise.
6047 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6049 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6051 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6053 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6054 * config/i386/sol2-gas.h: New file.
6055 * config.gcc (i[34567]86-*-solaris2*): Use it.
6057 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6060 * c-typeck.c (ep_convert_and_check): New.
6061 (build_conditional_expr): Use it.
6062 (build_binary_op): Likewise.
6064 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6066 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6069 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6070 bounds even for -O+.
6071 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6072 expr needs to have DECL_NAME set.
6074 2010-02-24 Nick Clifton <nickc@redhat.com>
6076 * config/mep/mep.c: Include gimple.h.
6077 (mep_function_uses_sp): Delete unused function.
6078 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6079 parameters. Use unsigned integers to count args. Return a
6080 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6082 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6085 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6086 greater or equal to nelt instead of 2 * nelt.
6087 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6090 2010-02-23 Jason Merrill <jason@redhat.com>
6093 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6094 in cfun->local_decls even if they have register types.
6097 * stor-layout.c (place_field): Don't warn about unnecessary
6098 DECL_PACKED if the type is packed.
6100 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6103 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6104 GOTOFF relocs, even when the base reg isn't pic pointer.
6106 2010-02-23 Michael Matz <matz@suse.de>
6109 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6110 (expand_gimple_basic_block): Generate and use debug temps if there
6111 are debug uses left after the last real use of TERed ssa names.
6112 Unlink debug immediate uses when they are expanded.
6114 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6117 * config/i386/i386.c (override_options): Reorganise to provide
6118 better error messages.
6120 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6123 * graphite-scop-detection.c (create_single_exit_edge): Move
6124 the call to find_single_exit_edge to....
6125 (create_sese_edges): ...here. Don't handle multiple edges
6126 exiting the function.
6127 (build_graphite_scops): Don't handle multiple edges
6128 exiting the function.
6130 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6133 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6134 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6136 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6139 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6141 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6144 * c-typeck.c (convert_arguments): Print declaration location.
6145 * c-common.c (validate_nargs): Rename as
6146 builtin_function_validate_nargs.
6147 (check_builtin_function_arguments): Update.
6149 2010-02-22 Richard Guenther <rguenther@suse.de>
6152 * tree-inline.c (declare_return_variable): Use the type of
6153 the call stmt lhs if available.
6155 2010-02-22 Duncan Sands <baldrick@free.fr>
6157 * passes.c (register_pass): Always consider all pass lists when
6158 ref_pass_instance_number is zero.
6160 2010-02-22 Richard Guenther <rguenther@suse.de>
6162 PR tree-optimization/42749
6163 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6164 parameter. Do arithmetic in the original type.
6165 (update_accumulator_with_ops): Likewise.
6166 (adjust_accumulator_values): Adjust.
6168 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6170 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6171 (QI to BLKmode splitter): New splitter.
6173 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6175 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6176 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6178 2010-02-22 Richard Guenther <rguenther@suse.de>
6180 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6182 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6184 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6185 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6186 ($(T)crti.o, $(T)crtn.o): Remove rules.
6188 2010-02-21 Tobias Burnus <burnus@net-b.de>
6191 * doc/invoke.texi (-fassociative-math): Document that this
6192 option is automatically enabled for Fortran.
6194 2010-02-20 David S. Miller <davem@davemloft.net>
6196 * configure.ac: Test if linker and assembler properly support
6197 GOTDATA_OP relocations.
6198 * configure: Rebuild.
6199 * config.in: Likewise.
6200 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6201 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6202 (movsi_high_pic): Likewise.
6203 (movdi_lo_sum_pic): Likewise.
6204 (movdi_high_pic): Likewise.
6205 (movsi_pic_gotdata_op): New pattern.
6206 (movdi_pic_gotdata_op): Likewise.
6207 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6208 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6210 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6213 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6214 attribute to ssemul.
6215 (xop_mulv2div2di3_high): Ditto.
6217 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6220 * c.opt (Wconversion-null): New option.
6221 * doc/invoke.texi (Wconversion-null): Document.
6223 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6225 * common.opt (Wlarger-than-): Add Undocumented.
6227 2010-02-19 Mike Stump <mikestump@comcast.net>
6229 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6231 2010-02-19 Jason Merrill <jason@redhat.com>
6234 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6235 * configure: Likewise.
6237 2010-02-20 Alan Modra <amodra@gmail.com>
6240 * cgraph.h (cgraph_make_decl_local): Declare.
6241 * cgraph.c (cgraph_make_decl_local): New function.
6242 (cgraph_make_node_local): Use it.
6243 * cgraphunit.c (cgraph_function_versioning): Likewise.
6244 * ipa.c (function_and_variable_visibility): Likewise.
6246 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6249 * except.c (sjlj_emit_function_enter): Don't call
6250 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6252 * rtl.h (add_reg_br_prob_note): Remove prototype.
6254 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6257 * c-common.c (conversion_warning): Remove widening conversions
6258 before checking the conversion of integers to reals.
6260 2010-02-19 Mike Stump <mikestump@comcast.net>
6263 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6266 * cgraphunit.c (process_function_and_variable_attributes): Check
6267 DECL_PRESERVE_P instead of looking up attribute "used".
6268 * ipa-pure-const.c (check_decl): Likewise.
6269 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6270 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6271 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6272 instead of attribute "used".
6273 * config/sol2-c.c (solaris_pragma_init): Likewise.
6274 (solaris_pragma_fini): Likewise.
6276 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6278 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6279 Use XCNEW instead of xcalloc.
6280 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6281 XNEW instead of xmalloc.
6282 (get_fields): Use XNEWVEC instead of xmalloc.
6285 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6286 populate vars array.
6287 (create_new_general_access): For debug stmts just reset value.
6288 (get_stmt_accesses): For accesses within debug stmts just record them
6289 using add_access_to_acc_sites instead of preventing the peeling or
6290 counting them as accesses.
6293 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6295 2010-02-19 Richard Guenther <rguenther@suse.de>
6297 PR tree-optimization/42916
6298 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6301 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6303 * configure.ac: Replace all uses of changequote in macro arguments
6304 with proper quoting.
6306 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6309 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6311 2010-02-19 Richard Guenther <rguenther@suse.de>
6313 PR tree-optimization/42944
6314 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6315 test for aliasing with errno.
6317 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6320 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6321 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6322 * dojump.c: Include output.h.
6323 (inv): New inline function.
6324 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6325 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6326 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6327 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6328 argument, pass it down to other calls.
6329 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6330 add REG_BR_PROB note to the conditional jump.
6331 * cfgexpand.c (add_reg_br_prob_note): Removed.
6332 (expand_gimple_cond): Don't call it, add the probability
6333 as last argument to jumpif_1/jumpifnot_1.
6334 * Makefile.in (dojump.o): Depend on output.h.
6335 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6337 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6338 * stmt.c (do_jump_if_equal): Likewise.
6339 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6340 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6341 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6343 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6344 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6345 jumpifnot_1 callers.
6346 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6348 (store_expr): Adjust jumpifnot caller.
6349 (store_constructor): Adjust jumpif caller.
6352 * gimplify.c (gimple_boolify): For __builtin_expect call
6353 gimple_boolify also on its first argument.
6355 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6357 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6359 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6360 * configure: Regenerated.
6362 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6364 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6365 lang_hooks.types_compatible_p instead of comptypes.
6367 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6369 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6370 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6371 if __prefer_thumb__ is defined.
6373 2010-02-18 Martin Jambor <mjambor@suse.cz>
6375 PR tree-optimization/43066
6376 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6377 array with zero-sized element type.
6379 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6381 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6382 rtx, allocate struct var_loc_node here and return it to the
6383 caller, and only if it is actually needed.
6384 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6385 move it earlier and return immediately if it returns NULL.
6387 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6389 * config/sparc/gas.h: New file. Restore
6390 TARGET_ASM_NAMED_SECTION to its ELF default.
6391 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6393 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6394 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6395 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6396 after sparc/sysv4.h.
6398 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6400 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6402 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6404 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6405 patterns from predicated pattern.
6407 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6410 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6411 for insn mnemonic suffix.
6413 2010-02-17 Richard Guenther <rguenther@suse.de>
6415 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6418 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6421 * caller-save.c (save_call_clobbered_regs): If BB ends with
6422 a DEBUG_INSN, move any notes in between last real insn and the last
6423 DEBUG_INSN after the last DEBUG_INSN.
6425 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6427 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6428 Fix return type. Fix argument type. Explain meaning of return value.
6430 2010-02-16 Richard Guenther <rguenther@suse.de>
6432 PR tree-optimization/41043
6433 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6434 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6436 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6438 2010-02-16 Ira Rosen <irar@il.ibm.com>
6440 PR tree-optimization/43074
6441 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6442 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6443 vectorizable cycles in hybrid SLP check.
6444 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6446 2010-02-16 Richard Guenther <rguenther@suse.de>
6448 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6449 (true_dependence): If memrefs_conflict_p computes must-alias
6450 trust it. Move TBAA check after offset-based disambiguation.
6451 (canon_true_dependence): Likewise.
6453 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6455 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6456 * doc/invoke.texi: Document it.
6457 * var-tracking.c: Include toplev.h and params.h.
6458 (vt_find_locations): Return bool indicating success. Compute
6459 hash sizes unconditionally. Check new parameter, report.
6460 (variable_tracking_main_1): Check vt_find_locations results and
6461 retry. Renamed from...
6462 (variable_tracking_main): ... this. New wrapper to preserve
6463 flag_var_tracking_assignments.
6464 * Makefile.in (var-tracking.o): Adjust dependencies.
6466 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6467 Jakub Jelinek <jakub@redhat.com>
6470 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6471 if weak_import attribute is present.
6472 * config/darwin.c (machopic_select_section): Likewise.
6474 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6476 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6477 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6478 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6479 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6481 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6484 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6487 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6488 Rewrite text to refer to the names.
6490 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6492 * config/i386/i386-builtin-types.def
6493 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6494 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6495 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6496 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6497 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6498 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6499 IX86_BUILTIN_VPERMIL2PS256.
6500 (MULTI_ARG_4_DF2_DI_I): Defined.
6501 (MULTI_ARG_4_DF2_DI_I1): Defined.
6502 (MULTI_ARG_4_SF2_SI_I): Defined.
6503 (MULTI_ARG_4_SF2_SI_I1): Defined.
6504 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6505 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6506 __builtin_ia32_vpermil2ps256.
6507 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6508 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6509 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6510 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6511 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6512 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6513 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6514 CODE_FOR_xop_vpermil2v8sf3.
6515 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6516 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6517 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6518 (_mm256_permute2_pd): New.
6519 (_mm_permute2_ps): New.
6520 (_mm256_permute2_ps): New.
6522 2010-02-15 Nick Clifton <nickc@redhat.com>
6524 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6525 boolean parameters. Use emit_jump_insn when emitting a pop
6526 instruction containing a return insn.
6527 (push): Use 'true' rather than '1' as second parameter to F.
6528 (h8300_expand_prologue): Likewise.
6529 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6530 (h8300_expand_epilogue): Likewise.
6532 2010-02-15 Richard Guenther <rguenther@suse.de>
6535 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6538 2010-02-15 Nick Clifton <nickc@redhat.com>
6540 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6543 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6545 * intl.c (fake_ngettext): New function.
6546 * intl.h (fake_ngettext): Declare.
6547 (ngettext): Define macro.
6548 * collect2.c (notice_translated): New function.
6549 (main): Use notice_translated and ngettext.
6550 * collect2.h (notice_translated): Declare.
6552 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6554 * reorg.c (delete_computation): Comment fixes.
6555 * caller-save.c (setup_save_areas): Idem.
6556 * sel-sched-dump.c (dump_lv_set): Idem.
6559 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6561 * config/s390/s390.c (s390_sched_init): New function.
6562 (TARGET_SCHED_INIT): Target hook defined.
6564 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6565 Jack Howarth <howarth@bromo.med.uc.edu>
6566 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6569 Partial revert of unintended change in fix for PR41605.
6570 * config/darwin.h: Fix typo.
6571 * config/darwin9.h: Same.
6573 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6575 * c-pch.c (pch_init): Clear v.
6577 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6580 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6581 graphite_can_represent_init for MULT_EXPR.
6583 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6587 * graphite-sese-to-poly.c (remove_phi): New.
6588 (translate_scalar_reduction_to_array): Call remove_phi.
6590 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6593 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6594 * graphite-clast-to-gimple.h (gloog): Update declaration.
6595 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6596 * graphite-poly.h (struct poly_bb): Add missing comments.
6597 (struct scop): Add poly_scop_p field.
6599 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6600 * graphite.c (graphite_transform_loops): Build the polyhedral
6601 representation for each scop before code generation.
6602 * sese.c (rename_variables_in_operand): Removed.
6603 (rename_variables_in_expr): Return the renamed expression.
6604 (rename_sese_parameters): New.
6605 * sese.h (rename_sese_parameters): Declared.
6607 2010-02-11 Richard Guenther <rguenther@suse.de>
6609 PR tree-optimization/42998
6610 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6611 POINTER_PLUS_EXPR properly.
6613 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6614 Changpeng Fang <changpeng.fang@amd.com>
6617 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6618 the cost of an IV candidate when the IV is used in a test against zero.
6620 * gcc.dg/tree-ssa/ivopts-3.c: New.
6622 2010-02-11 Richard Guenther <rguenther@suse.de>
6625 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6626 pointer-vs-decl case by swapping refs. Handle some cases
6627 of pointer-vs-decl disambiguations more conservatively.
6628 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6629 to false after expanding.
6631 2010-02-11 Richard Guenther <rguenther@suse.de>
6634 * gcc.c (process_command): Handle LTO file@offset case more
6637 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6639 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6640 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6642 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6644 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6645 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6646 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6647 Optimize eq/ne comparisons when both arguments are known to be
6649 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6650 Don't mask operands unnecessarily if they are known to be already
6653 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6655 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6658 2010-02-10 Richard Guenther <rguenther@suse.de>
6660 PR tree-optimization/43017
6661 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6662 for wrapping signed arithmetic.
6664 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6667 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6668 if no debug info should be emitted for it.
6670 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6672 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6673 note when flag_exceptions is set.
6675 2010-02-10 Duncan Sands <baldrick@free.fr>
6677 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6679 2010-02-10 Richard Guenther <rguenther@suse.de>
6682 * tree.c (get_unwidened): Handle constants.
6683 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6685 2010-02-10 Martin Jambor <mjambor@suse.cz>
6688 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6689 check for variable argument counts independently.
6691 2010-02-10 Christian Bruel <christian.bruel@st.com>
6694 * config/sh/sh.c (find_barrier): Increase length for non delayed
6695 conditional branches.
6697 2010-02-10 Christian Bruel <christian.bruel@st.com>
6699 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6701 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6703 * builtins.c (set_builtin_user_assembler_name): Also handle
6704 ffs if int is smaller than word.
6706 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6709 * ira-conflicts.c (get_dup): Remove.
6710 (process_reg_shuffles): Add new parameter. Use it as an
6711 additional guard for copy generation.
6712 (add_insn_allocno_copies): Rewrite.
6714 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6716 * common.opt (fsched2-use-traces): Preserved for backward
6718 * doc/invoke.texi: Remove the documentation about option
6719 -fsched2-use-traces.
6720 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6721 flag_sched2_use_traces.
6722 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6723 the backward compatibility flag section.
6725 2010-02-09 Richard Guenther <rguenther@suse.de>
6727 PR tree-optimization/43008
6728 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6729 make HEAP variables initialized from global memory if they
6730 are not known builtin functions.
6731 (find_func_aliases): Adjust.
6733 2010-02-09 Richard Guenther <rguenther@suse.de>
6735 PR tree-optimization/43000
6736 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6737 arithmetic manually.
6739 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6741 PR tree-optimization/42931
6742 * tree-loop-linear.c (try_interchange_loops): Don't call
6743 double_int_mul if estimated_loop_iterations failed.
6745 2010-02-08 Martin Jambor <mjambor@suse.cz>
6748 * tree-sra.c (build_accesses_from_assign): Do not mark in
6749 should_scalarize_away_bitmap if stmt has volatile ops.
6750 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6753 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6755 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6757 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6759 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6762 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6765 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6767 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6770 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6771 to unknown_dependence.
6772 (graphite_legal_transform_dr): Handle the unknown_dependence.
6773 (graphite_carried_dependence_level_k): Same.
6775 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6777 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6779 2010-02-07 Richard Guenther <rguenther@suse.de>
6782 * expr.c (get_inner_reference): Always initialize *pbitsize.
6784 2010-02-07 Richard Guenther <rguenther@suse.de>
6787 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6788 new ARRAY_REFs on variable size element or minimal index arrays.
6790 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6791 gimple_fold_indirect_ref.
6793 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6796 * arm.c (arm_override_options): Just return if the user has specified
6797 an invalid fpu name.
6799 2010-02-03 Jason Merrill <jason@redhat.com>
6802 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6803 i386_pe_maybe_record_exported_symbol.
6805 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6808 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6809 (pa_delegitimize_address): New function.
6811 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6813 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6814 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6816 2010-02-05 Richard Guenther <rguenther@suse.de>
6819 * lto-streamer-in.c (get_resolution): Deal with references
6820 to undefined functions.
6822 2010-02-05 Richard Guenther <rguenther@suse.de>
6824 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6825 (fold_const_aggregate_ref): Likewise.
6826 (ccp_fold_stmt): Substitute loads.
6827 (maybe_fold_reference): Verify types before substituting.
6829 (fold_gimple_assign): Unshare properly.
6830 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6832 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6834 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6835 for rs6000_gen_cell_microcode.
6837 2010-02-04 Richard Guenther <rguenther@suse.de>
6839 PR rtl-optimization/42952
6840 * dse.c (const_or_frame_p): Remove MEM handling.
6842 2010-02-04 Nick Clifton <nickc@redhat.com>
6844 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6845 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6846 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6847 (mn10300_asm_output_mi_thunk): New function.
6848 (mn10300_can_output_mu_thunk): New function.
6849 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6850 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6851 (FUNCTION_ARG): Delete incorrect comment.
6853 2010-02-03 Jason Merrill <jason@redhat.com>
6856 * fold-const.c (operand_equal_p): Handle erroneous types.
6858 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6860 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6862 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6864 PR rtl-optimization/42941
6865 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6868 2010-02-03 Jason Merrill <jason@redhat.com>
6871 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6873 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6876 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6877 (cselib_reset_table): Renamed from...
6878 (cselib_reset_table_with_next_value): ... this.
6879 (cselib_get_next_uid): Renamed from...
6880 (cselib_get_next_unknown_value): ... this.
6881 * cselib.c (next_uid): Renamed from...
6882 (next_unknown_value): ... this.
6883 (cselib_clear_table): Adjust.
6884 (cselib_reset_table): Adjust. Renamed from...
6885 (cselib_reset_table_with_next_value): ... this.
6886 (cselib_get_next_uid): Adjust. Renamed from...
6887 (cselib_get_next_unknown_value): ... this.
6888 (get_value_hash): Use hash.
6889 (cselib_hash_rtx): Likewise.
6890 (new_cselib_val): Adjust. Set and dump uid.
6891 (cselib_lookup_mem): Pass next_uid as hash.
6892 (cselib_subst_to_values): Likewise.
6893 (cselib_log_lookup): Dump uid.
6894 (cselib_lookup): Pass next_uid as hash. Adjust.
6895 (cselib_process_insn): Adjust.
6896 (cselib_init): Initialize next_uid.
6897 (cselib_finish): Adjust.
6898 (dump_cselib_table): Likewise.
6899 * dse.c (canon_address): Dump value uid.
6900 * print-rtl.c (print_rtx): Print value uid.
6901 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6903 (dv_uid): New function, sort of renamed from...
6904 (dv_htab_hash): ... this, reimplemented in terms of it and...
6905 (dv_uid2hash): ... this. New.
6906 (variable_htab_eq): Drop excess assertions.
6907 (tie_break_pointers): Removed.
6908 (canon_value_cmp): Compare uids.
6909 (variable_post_merge_New_vals): Print uids.
6910 (vt_add_function_parameters): Adjust.
6911 (vt_initialize): Reset table. Adjust.
6913 2010-02-03 Richard Guenther <rguenther@suse.de>
6915 PR tree-optimization/42944
6916 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6917 (call_may_clobber_ref_p_1): Likewise. Properly handle
6918 malloc and calloc clobbering errno.
6920 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6922 * doc/invoke.texi: Fix name of sched1 dump.
6924 * opts.c (decode_options): Set flag_tree_switch_conversion
6925 only conditionally on optimize >= 2.
6927 * gcse.c: Assorted comment fixes in pass description.
6929 2010-02-03 Anthony Green <green@moxielogic.com>
6931 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6932 nop padding in order to maintain alignment of storage location of
6933 target function address.
6934 (moxie_trampoline_init): Store target function address at newly
6936 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6938 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6940 2010-02-03 Richard Guenther <rguenther@suse.de>
6943 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6945 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6947 * config.gcc: Reenable check for obsolete targets.
6948 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6949 mips-sgi-irix6.[0-4]*.
6951 2010-02-02 Nick Clifton <nickc@redhat.com>
6953 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6954 constant size of 4 as being the same as 0.
6955 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6956 can take values in the range 0..4.
6958 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6961 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6962 as _darwin10_Unwind_FindEnclosingFunction().
6963 * libgcc-libsystem.ver: New.
6965 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6968 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6969 implicitly set registers.
6971 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6973 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6974 (arm_override_options): Allow automatic selection of the thread
6975 pointer register if thumb2.
6976 (legitimize_pic_address): Improve code sequences for Thumb2.
6977 (arm_call_tls_get_addr): Likewise.
6978 (legitimize_tls_address): Likewise.
6979 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6980 (pic_load_addr_32bit): ... this. New named pattern.
6981 * thumb2.md (pic_load_addr_thumb2): Delete.
6982 (pic_load_dot_plus_four): Delete.
6983 (tls_load_dot_plus_four): New named pattern.
6985 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6988 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6989 Document fix for TLS bug.
6991 2010-01-31 Richard Guenther <rguenther@suse.de>
6993 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6994 conservatively correct.
6996 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7000 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7002 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7004 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7006 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7008 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7010 * config.gcc: Adjust order of makefile fragments for mingw targets.
7012 2010-01-31 Richard Guenther <rguenther@suse.de>
7015 * gimplify.c (gimplify_init_constructor): For volatile LHS
7016 initialize a temporary.
7018 2010-01-31 Matthias Klose <doko@ubuntu.com>
7020 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7022 * configure: Regenerate.
7024 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7026 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7027 the same alias set and their sizes different constantness.
7028 (aliasing_component_refs_p): Revert 2009-10-24 change.
7030 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7032 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7035 2010-01-29 Richard Guenther <rguenther@suse.de>
7037 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7038 Assert we successfully updated the call.
7040 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7042 PR rtl-optimization/42889
7043 * df.h (df_set_bb_dirty_nonlr): New prototype.
7044 * df-core.c (df_set_bb_dirty_nonlr): New function.
7045 * df-scan.c (df_insn_rescan): Call it instead of
7046 df_set_bb_dirty for DEBUG_INSNs.
7048 2010-01-29 Richard Guenther <rguenther@suse.de>
7051 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7052 quadratic behavior in most cases.
7054 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7057 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7058 in the call to gen_x86_movsicc_0_m1.
7060 2010-01-28 Richard Guenther <rguenther@suse.de>
7062 PR tree-optimization/42871
7063 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7065 2010-01-28 Richard Guenther <rguenther@suse.de>
7067 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7068 into call arguments.
7070 2010-01-28 Richard Guenther <rguenther@suse.de>
7073 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7074 the forwarder if the destination is an EH landing pad.
7076 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7078 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7079 block list passed to gimple_duplicate_sese_tail.
7080 (parallelize_loops): Avoid parallelization when the function
7082 Avoid parallelization when the preheader is IRREDUCIBLE.
7083 Try to optimize when estimated_loop_iterations_int is unresolved.
7084 Add the loop's location to the dump file.
7085 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7086 (gimple_duplicate_sese_tail): Remove the check for the latch.
7087 Redirect nexits to the exit block.
7088 Remove handling of the incoming edges to the latch.
7089 Redirect the backedge from the copied latch to the exit bb.
7091 2010-01-28 Michael Matz <matz@suse.de>
7094 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7095 Wrap force_reg into a sequence, emit it before user.
7097 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7099 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7101 (arm_legacy_rev): Likewise.
7102 (thumb_legacy_rev): Likewise.
7104 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7106 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7107 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7108 on MEM's address failed, try avoid_constant_pool_reference and
7109 recurse if it returned something different.
7110 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7111 address, try avoid_constant_pool_reference and recurse if it
7112 returned something different.
7113 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7114 address and avoid_constant_pool_reference returned something
7115 different, don't set have_address.
7117 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7120 * var-tracking.c (val_store): Add modified argument, obey it.
7122 (count_uses): Move down logging of main.
7123 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7124 don't need resolution.
7125 (emit_notes_in_bb): Likewise.
7127 2010-01-27 Richard Guenther <rguenther@suse.de>
7130 * tree-inline.c (remap_decl): Delay remapping of SSA name
7131 default definitions until we need them.
7133 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7135 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7136 (rs6000_delegitimize_address): New function.
7138 * config/s390/s390.c (s390_delegitimize_address): Call
7139 delegitimize_mem_from_attrs.
7142 * tree-inline.c (cannot_copy_type_1): Removed.
7143 (copy_forbidden): Don't forbid copying of functions containing
7144 records/unions with variable length fields.
7146 2010-01-27 Christian Bruel <christian.bruel@st.com>
7150 * config/sh/sh.c (find_barrier): Increase length for non delayed
7151 conditional branches.
7153 2010-01-27 Matthias Klose <doko@ubuntu.com>
7155 * configure.ac (gnu-unique-object): Fix ldd version check.
7156 * configure: Regenerate.
7158 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7160 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7162 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7163 Test for HAVE_GNU_AS value.
7165 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7167 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7168 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7169 INT64_TYPE): Define.
7170 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7171 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7172 INT_LEAST64_TYPE): Define.
7173 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7174 UINT_LEAST64_TYPE): Define.
7175 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7176 INT_FAST64_TYPE): Define.
7177 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7178 UINT_FAST64_TYPE): Define.
7179 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7180 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7181 (SIG_ATOMIC_TYPE): Define.
7183 2010-01-26 Richard Guenther <rguenther@suse.de>
7185 * df-scan.c (df_scan_set_bb_info): Remove assert.
7186 (df_insn_rescan_debug_internal): Merge asserts.
7187 (df_install_ref): Likewise.
7188 (df_mark_reg): Use bitmap_set_range.
7189 (df_hard_reg_used_p): Remove assert.
7190 (df_hard_reg_used_count): Likewise.
7192 2010-01-26 Richard Guenther <rguenther@suse.de>
7194 PR rtl-optimization/42685
7195 * web.c (web_main): Ignore DEBUG_INSNs.
7197 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7199 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7201 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7202 Fix types of fndecl and arglist parameters.
7204 2010-01-26 Richard Guenther <rguenther@suse.de>
7207 * tree-eh.c (unsplit_eh): Skip debug insns.
7209 2010-01-26 Richard Guenther <rguenther@suse.de>
7211 PR tree-optimization/42250
7212 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7214 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7217 * omp-low.c (expand_omp_sections): Only use single_pred if
7218 l2_bb is single_pred_p.
7220 2010-01-25 Christian Bruel <christian.bruel@st.com>
7223 * config/sh/sh.c (find_barrier): Increase length for non delayed
7224 conditional branches.
7225 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7227 2010-01-24 David S. Miller <davem@davemloft.net>
7229 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7230 define if not using GAS.
7231 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7232 Likewise. Delete SECTION_MERGE code, which is only applicable
7235 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7238 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7239 mangling of va_list in system headers.
7241 2010-01-23 Toon Moene <toon@moene.org>
7243 * tree-predcom.c (combine_chains): Return NULL, not false.
7245 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7247 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7248 initialization of variable res to agree with return type.
7250 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7252 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7253 * tree-sra.c: Add include of expr.h.
7255 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7257 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7258 insert the debug stmt on the single non-EH edge from the stmt.
7260 2010-01-22 Richard Henderson <rth@redhat.com>
7263 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7264 the RHS until after generate_subtree_copies has insertted its
7265 code before the current statement.
7267 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7269 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7271 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7273 2010-01-21 Martin Jambor <mjambor@suse.cz>
7275 PR tree-optimization/42585
7276 * tree-sra.c (struct access): New field grp_total_scalarization.
7277 (dump_access): Dump the new field.
7278 (should_scalarize_away_bitmap): New variable.
7279 (cannot_scalarize_away_bitmap): Likewise.
7280 (sra_initialize): Allocate new bitmaps.
7281 (sra_deinitialize): Free new bitmaps.
7282 (create_access_1): New function.
7283 (create_access): Parts moved to create_access_1.
7284 (type_consists_of_records_p): New function.
7285 (completely_scalarize_record): Likewise.
7286 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7287 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7288 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7290 (analyze_all_variable_accesses): Completely scalarize small eligible
7293 2010-01-21 Martin Jambor <mjambor@suse.cz>
7295 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7297 2010-01-21 Andrew Haley <aph@redhat.com>
7299 * gcc.c (process_command): Move lang_specific_driver before
7300 setting cc_libexec_prefix.
7302 2010-01-21 Richard Guenther <rguenther@suse.de>
7305 * fold-const.c (negate_expr_p): Pretend only negative
7306 real constants are easily negatable.
7308 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7309 Jason Merrill <jason@redhat.com>
7311 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7312 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7313 * calls.c (initialize argument_information): Handle it.
7314 * c-common.c (handle_transparent_union_attribute): Use new name.
7315 * c-decl.c (finish_struct): Ditto.
7316 * c-typeck.c (type_lists_compatible_p): Ditto.
7317 (convert_for_assignment): Use new name and also handle record.
7318 * function.c (aggregate_value_p): Handle it.
7319 (pass_by_reference): Ditto.
7320 (assign_parm_data_types): Ditto.
7321 * print-tree.c (print_node): Ditto.
7322 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7323 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7324 * tree.c (first_field): New fn.
7326 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7329 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7330 even when linking statically, for now.
7332 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7335 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7336 without a cselib val.
7337 (count_uses): Accept MO_VAL_SET with no val on stores.
7338 (add_stores): Likewise.
7340 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7342 * var-tracking.c (check_value_val): Add a compile time assertion.
7343 (dv_is_decl_p): Simplify.
7344 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7345 gcc_assert if ENABLE_CHECKING.
7347 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7350 * var-tracking.c: Include tree-flow.h.
7351 (mem_dies_at_call): New.
7352 (dataflow_set_preserve_mem_locs): Use it.
7353 (dataflow_set_remove_mem_locs): Likewise.
7354 (dump_var): Renamed from dump_variable. Adjust all callers.
7355 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7356 * Makefile.in (var-tracking.o): Adjust deps.
7358 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7360 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7362 2010-01-20 Richard Guenther <rguenther@suse.de>
7364 PR tree-optimization/42717
7365 * tree-ssa-dce.c (get_live_post_dom): Remove.
7366 (forward_edge_to_pdom): Take an arbitrary edge to copy
7367 degenerate PHI args from.
7368 (remove_dead_stmt): Use the first post-dominator even if it
7369 does not contain live statements as redirection destination.
7371 2010-01-20 Richard Guenther <rguenther@suse.de>
7373 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7375 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7377 * sel-sched.c (create_speculation_check): Remove set but not used
7379 (try_transformation_cache): Remove set but not used variable ds.
7380 (calculate_privileged_insns): Remove set but not used variables
7381 cur_insn and min_spec_insn.
7382 (find_best_expr): Remove set but not used variable avail_n.
7383 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7385 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7387 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7388 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7391 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7394 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7395 cpu types. Add support for *-sse3 cpu types.
7396 (x86_64-*-*): Ditto.
7398 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7401 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7402 argument, call initializer_constant_valid_p_1 instead of
7403 initializer_constant_valid_p, pass CACHE to it, return NULL
7404 immediately if first call returns NULL.
7405 (initializer_constant_valid_p_1): New function.
7406 (initializer_constant_valid_p): Use it.
7408 2010-01-20 Thomas Quinot <quinot@adacore.com>
7410 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7412 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7414 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7415 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7416 (loc_list_from_tree): Don't handle unsigned division. Handle
7417 signed modulo using DW_OP_{over,over,div,mul,minus}.
7418 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7419 modulo instead of signed.
7421 2010-01-20 DJ Delorie <dj@redhat.com>
7423 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7425 (h8300_emit_stack_adjustment): Propogate it.
7427 (h8300_expand_prologue): Likewise.
7428 (h8300_expand_epilogue): Likewise.
7430 2010-01-19 Michael Matz <matz@suse.de>
7432 PR tree-optimization/41783
7433 * tree-data-ref.c (toplevel): Include flags.h.
7434 (dump_data_dependence_relation): Also dump the inputs if the
7435 result will be unknown.
7436 (split_constant_offset_1): Look through some conversions.
7437 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7438 the offset from last element is too large.
7439 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7440 (reassociate_to_the_same_stmt): Handle vector registers.
7441 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7443 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7444 wide_prolog_niters argument, emit widening instructions.
7445 (vect_do_peeling_for_alignment): Adjust caller, use widened
7446 variant of the iteration cound.
7447 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7449 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7452 * config/arm/neon-testgen.m (emit_automatics): New parameter
7453 features. Adjust for Fixed_return_reg feature.
7454 (test_intrinsic): Call emit_automatics with new feature.
7455 * config/arm/neon.ml: Update copyright years.
7456 (features): New Fixed_return_reg feature.
7457 (ops): Update feature for Vget_low.
7459 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7461 PR tree-optimization/42719
7462 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7466 * fwprop.c (all_uses_available_at): Return false if def_set dest
7467 is a REG that is used in def_insn.
7469 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7471 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7473 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7476 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7478 * target.h (struct gcc_target) <secondary_reload>: Change type
7479 of last argument to secondary_reload_info *.
7481 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7484 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7485 memory references with unaligned offsets. Remove CQImode handling.
7486 (unaligned_memory_operand): Return 1 for memory references with
7487 unaligned offsets. Remove CQImode handling.
7489 2010-01-18 Richard Guenther <rguenther@suse.de>
7492 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7495 2010-01-18 Richard Guenther <rguenther@suse.de>
7497 PR tree-optimization/42781
7498 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7499 restrict processing only if the original variable was artificial.
7501 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7503 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7504 find number of popped argument bytes.
7506 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7507 Fix the text that describes the return value for invalid insns.
7509 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7511 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7512 Clarify what 'cost of the -dependence' is. Fix quoting.
7514 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7515 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7517 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7519 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7520 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7522 2010-01-17 Richard Guenther <rguenther@suse.de>
7525 * function.c (split_complex_args): Take a VEC to modify.
7526 (assign_parms_augmented_arg_list): Build a VEC instead of
7527 a chain of PARM_DECLs.
7528 (assign_parms_unsplit_complex): Take a VEC of arguments.
7529 Do not fixup unmodified parms.
7530 (assign_parms): Deal with the VEC.
7531 (gimplify_parameters): Likewise.
7533 2010-01-17 Richard Guenther <rguenther@suse.de>
7535 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7536 node existence check.
7537 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7538 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7539 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7540 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7541 (gimple_execute_on_growing_pred): Likewise.
7543 2010-01-17 Richard Guenther <rguenther@suse.de>
7545 PR tree-optimization/42773
7546 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7547 (compute_antic_aux): Likewise.
7548 (compute_partial_antic_aux): Likewise.
7550 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7553 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7556 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7558 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7561 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7562 Fix markup for strict argument.
7564 (TARGET_SCHED_REORDER2): Fix argument types.
7566 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7567 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7569 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7570 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7572 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7575 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7576 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7577 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7578 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7579 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7581 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7583 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7585 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7586 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7588 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7590 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7593 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7595 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7596 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7598 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7600 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7602 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7603 referring to it. Fix language.
7605 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7607 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7609 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7611 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7613 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7614 '@var{stream}. Remove stray 'and'.
7616 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7618 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7620 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7622 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7623 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7625 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7626 Fix description of return value.
7627 Rename argument "sz" to "len."
7629 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7630 Clarify meaning of 'true' return value.
7632 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7634 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7635 rep_mode versus mode_rep.
7637 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7639 (TARGET_BUILTIN_DECL): Fix name.
7641 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7643 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7645 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7647 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7649 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7651 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7654 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7655 Rename argument tm_fn to md_fn.
7657 (TARGET_OPTION_PRINT): Fix argument list.
7659 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7662 * config/i386/i386.c (ix86_fixup_binary_operands):
7663 Revert FMA4 fixup of operands.
7665 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7668 * Makefile.in (write_entries_to_file, install-plugin):
7669 Use \012 instead of \n with tr.
7671 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7673 * configure.ac (HAVE_AS_REF): New C macro.
7674 * configure: Regenerate.
7675 * config.in: Likewise.
7676 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7678 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7681 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7683 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7685 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7687 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7689 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7691 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7693 (TARGET_BINDS_LOCAL_P): Fix argument type.
7695 (TARGET_ASM_FILE_END): Use prototype.
7697 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7699 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7701 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7703 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7705 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7706 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7708 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7709 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7711 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7712 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7713 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7714 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7716 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7718 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7720 (TARGET_INIT_BUILTINS): Use prototype.
7722 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7723 Put 'const char *' in braces. Fix parameter types.
7724 (TARGET_INVALID_CONVERSION): Fix parameter types.
7725 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7726 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7728 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7731 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7733 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7735 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7737 * doc/tm.texi (TARGET_HELP): Fix return type.
7739 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7740 in braces. Fix argument types.
7742 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7744 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7746 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7748 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7749 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7751 (TARGET_MANGLE_TYPE): Fix argument types.
7753 (TARGET_IRA_COVER_CLASSES): Use prototype.
7755 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7757 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7759 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7761 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7763 (TARGET_CALLEE_COPIES): Fix argument types.
7765 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7767 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7769 (TARGET_FUNCTION_VALUE): Fix argument types.
7771 (TARGET_RETURN_IN_MSB): Fix argument type.
7773 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7775 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7777 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7779 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7780 agree with return type.
7782 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7784 2010-01-15 Jing Yu <jingyu@google.com>
7786 PR rtl-optimization/42691
7787 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7788 a pseudo to a constant and are merged, and adjust comments.
7790 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7792 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7794 2010-01-15 Richard Guenther <rguenther@suse.de>
7797 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7798 labels of computed or non-local gotos to the destination.
7799 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7800 landing pad label is the first label.
7802 2010-01-15 Richard Guenther <rguenther@suse.de>
7804 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7806 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7809 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7810 to allow generation of the xssqrtdp instruction on power7.
7811 (sqrtdf2_fpr): Ditto.
7813 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7816 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7817 functions with noreturn attribute.
7820 * varasm.c (declare_weak): Add weak attribute to decl if it
7821 doesn't have one already.
7822 (assemble_external): Only add decls to weak_decls if they also
7823 have weak attribute.
7825 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7827 * var-tracking.c (var_reg_delete): Don't delete the association
7828 between REGs and values or one-part variables if the register
7831 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7834 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7835 because its first operand is a non-localized variable.
7837 2010-01-14 Martin Jambor <mjambor@suse.cz>
7839 PR tree-optimization/42706
7840 * tree-sra.c (encountered_recursive_call): New variable.
7841 (encountered_unchangable_recursive_call): Likewise.
7842 (sra_initialize): Initialize both new variables.
7843 (callsite_has_enough_arguments_p): New function.
7844 (scan_function): Call decl and flags check only for IPA-SRA, check
7845 whether there is a recursive call and whether it has enough arguments.
7846 (all_callers_have_enough_arguments_p): New function.
7847 (convert_callers): Look for recursive calls only when
7848 encountered_recursive_call is set.
7849 (ipa_early_sra): Bail out either if
7850 !all_callers_have_enough_arguments_p or
7851 encountered_unchangable_recursive_call.
7853 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7855 * sel-sched.c: Add 2010 to copyright years.
7856 * sel-sched-ir.c: Likewise.
7857 * sel-sched-ir.h: Likewise.
7859 2010-01-14 Martin Jambor <mjambor@suse.cz>
7861 PR tree-optimization/42714
7862 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7863 constructors specially.
7865 2010-01-14 Andi Kleen <ak@linux.intel.com>
7867 * config/i386/drivers-i386.c (detect_caches_intel):
7868 Add l2sizekb parameter and fill in.
7869 (host_detect_local_cpu): Add l2sizekb, fill in.
7870 Add Atom small cache heuristic.
7872 2010-01-14 Andi Kleen <ak@linux.intel.com>
7874 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7875 Add level3 parameter and fill in.
7876 (detect_caches_intel): Handle level3 cache.
7878 2010-01-14 Andi Kleen <ak@linux.intel.com>
7880 * config/i386/drivers-i386.c (host_detect_local_cpu):
7881 Fix core duo detection.
7883 2010-01-14 Andi Kleen <ak@linux.intel.com>
7885 * config/i386/drivers-i386.c (host_detect_local_cpu):
7888 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7890 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7891 (rs6000_variable_issue_1): this. Use...
7892 (rs6000_variable_issue): here. Reimplement. Print debug info.
7894 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7896 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7897 sel_restore_notes. Update all callers. Call reemit_notes
7900 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7902 PR rtl-optimization/42246
7903 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7906 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7908 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7909 all successors is the same as number of successors in current region.
7911 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7913 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7914 to rename is not separable. Otherwise check that its LHS is not NULL.
7916 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7918 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7920 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7922 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7923 available registers when failed to discover LHS register class.
7924 Fix indentation. Update comment.
7926 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7927 Alexander Monakov <amonakov@ispras.ru>
7929 PR rtl-optimization/42389
7930 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7932 (advance_state_on_fence): Likewise.
7933 (sel_target_adjust_priority): Print debug output only when
7934 sched_verbose >= 4, not 2.
7935 (get_expr_cost): Do not issue all unique insns on the next cycle.
7936 (fill_insns): Initialize can_issue_more from the value saved
7938 * sel-sched-ir.c (flist_add): New parameter issue_more.
7939 Init FENCE_ISSUE_MORE with it.
7940 (merge_fences): Likewise.
7941 (init_fences): Update call to flist_add.
7942 (add_to_fences, add_clean_fence_to_fences)
7943 (add_dirty_fence_to_fences): Likewise.
7944 (move_fence_to_fences): Update call to merge_fences.
7945 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7947 * sel-sched-ir.h (struct _fence): New field issue_more.
7948 (FENCE_ISSUE_MORE): New accessor macro.
7950 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7952 PR rtl-optimization/42388
7953 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7954 that have no predecessors nor successors. Do not call move_bb_info
7955 for empty blocks outside of current region.
7957 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7959 PR rtl-optimization/42294
7960 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7961 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7962 originators' originators.
7964 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7966 PR rtl-optimization/39453
7967 PR rtl-optimization/42246
7968 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7970 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7972 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7973 Alexander Monakov <amonakov@ispras.ru>
7976 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7977 (maybe_tidy_empty_bb): ... here. Make static. Add new
7978 argument. Update all callers.
7979 (tidy_control_flow): ... and here. Recompute topological order
7980 of basic blocks in region if necessary.
7981 (sel_redirect_edge_and_branch): Change return type. Return true
7982 if topological order might have been invalidated.
7983 (purge_empty_blocks): Export and move from...
7984 * sel-sched.c (purge_empty_blocks): ... here.
7985 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7986 (maybe_tidy_empty_bb): Delete prototype.
7987 (purge_empty_blocks): Declare.
7989 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7991 PR rtl-optimization/42249
7992 * sel-sched.c (try_replace_dest_reg): When chosen register
7993 and original register is the same, do not bail out early, but
7994 still check all original insns for validity of replacing destination
7995 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7998 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8001 Port from no-undefined-overflow branch:
8002 2009-03-09 Richard Guenther <rguenther@suse.de>
8004 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8006 2010-01-14 Richard Guenther <rguenther@suse.de>
8009 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8011 2010-01-14 Ira Rosen <irar@il.ibm.com>
8013 PR tree-optimization/42709
8014 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8015 as scalar type in creation of constant vector operand.
8017 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8020 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8021 (check-parallel-%): Match `testsuite' directory component only
8024 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8026 PR translation/39521
8027 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8030 2010-01-13 Richard Guenther <rguenther@suse.de>
8032 PR tree-optimization/42730
8033 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8036 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8039 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8040 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8043 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8045 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8046 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8047 ___umulsi3_highpart.
8049 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8050 rather than schedule_insns if the pass is enabled.
8052 2010-01-13 Martin Jambor <mjambor@suse.cz>
8054 PR tree-optimization/42704
8055 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8058 2010-01-13 Martin Jambor <mjambor@suse.cz>
8060 PR tree-optimization/42703
8061 * tree-sra.c (analyze_access_subtree): Check that we can build a
8062 reference to the original data within the aggregate.
8064 2010-01-13 Richard Guenther <rguenther@suse.de>
8066 PR tree-optimization/42705
8067 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8069 2010-01-13 Richard Guenther <rguenther@suse.de>
8072 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8074 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8077 * var-tracking.c (values_to_unmark): New variable.
8078 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8079 values_to_unmark vector. Moved body to...
8080 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8081 instead queue it into values_to_unmark vector.
8082 (vt_find_locations): Free values_to_unmark vector.
8084 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8086 * config/s390/s390.c (override_options): Set
8087 default of max-pending-list-length to 256
8089 2010-01-13 Richard Guenther <rguenther@suse.de>
8092 * tree-pass.h (PROP_gimple_lcx): New.
8093 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8094 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8095 before the final cleanup_eh.
8096 (dump_properties): Dump PROP_gimple_lcx.
8097 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8098 (tree_lower_complex_O0): Remove.
8099 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8100 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8101 tree_lower_complex, schedule TODO_update_ssa.
8102 * lto-streamer-out.c (output_function): Stream the functions
8104 * lto-streamer-in.c (input_function): Likewise.
8105 (lto_read_body): Do not override them here.
8107 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8110 * c-typeck.c (build_c_cast): Fold value cast to union type before
8111 wrapping it in a CONSTRUCTOR.
8113 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8115 PR rtl-optimization/42699
8116 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8119 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8121 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8122 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8123 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8124 SUBTARGET_WARN_UNUSED_SPEC): ... here
8125 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8127 2010-01-12 Julian Brown <julian@codesourcery.com>
8129 * config/arm/neon-schedgen.ml (Utils): Don't try to
8130 open missing module.
8131 (find_with_result): New.
8133 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8136 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8137 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8139 PR tree-optimization/42645
8140 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8141 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8142 decl_map, set processing_debug_stmt to -1 and return name without
8145 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8147 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8148 binutils version, and reword target configuration description.
8150 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8152 * config/avr/avr.h (LINKER_NAME): Remove.
8154 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8157 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8158 that support VSX, warn for -mno-altivec if vsx is not disabled,
8161 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8162 Shujing Zhao <pearly.zhao@oracle.com>
8164 PR translation/42469
8165 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8166 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8167 character between option name and help text.
8168 * c.opt (imultilib): Likewise.
8170 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8172 * lto-streamer-out.c (output_unreferenced_globals): Output static
8175 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8177 PR rtl-optimization/42621
8178 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8179 optimizing for size.
8180 (duplicate_computed_gotos): Remove now-redundant check.
8182 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8185 * configure.ac: Save and restore LDFLAGS and LIBS
8186 * configure: Regenerate.
8188 2010-01-10 Richard Guenther <rguenther@suse.de>
8191 * builtins.c (fold_builtin_strlen): Add type argument and
8192 convert the resulting length to it.
8193 (fold_builtin_1): Adjust.
8195 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8197 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8198 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8200 (num_insns_constant_wide): Adjust for that change.
8202 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8205 * web.c (union_defs): Add used argument, to combine uses of
8207 (entry_register): Adjust type and tests of used argument.
8208 (web_main): Widen used for new use. Pass it to union_defs.
8209 * df.h (union_defs): Adjust prototype.
8211 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8214 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8215 uses in new incoming argument. Free body.
8216 (reset_debug_uses_in_loop): New.
8217 (analyze_insn_to_expand_var): Call the latter if the former found
8218 anything. Fix whitespace. Reject invalid dest overlaps before
8219 going through all insns in the loop.
8221 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8224 * haifa-sched.c (dying_use_p): Debug insns don't count.
8226 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8229 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8230 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8231 (verify_gimple_call): Reject LHS in noreturn calls.
8233 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8237 * tree-vect-loop-manip.c (adjust_info): New type.
8238 (adjust_vec): New pointer to vector.
8239 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8240 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8241 (slpeel_update_phis_for_duplicate_loop): Use them.
8242 (slpeel_update_phi_nodes_for_guard1): Likewise.
8243 (slpeel_update_phi_nodes_for_guard2): Likewise.
8244 (slpeel_tree_peel_loop_to_edge): Likewise.
8245 (vect_update_ivs_after_vectorizer): Likewise.
8247 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8249 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8250 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8252 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8254 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8255 bogus uninitialized warning.
8257 2010-01-09 Richard Guenther <rguenther@suse.de>
8260 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8261 the evolution is compatible with the initial condition.
8263 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8265 * gcc.c (process_command): Update copyright notice dates.
8266 * gcov.c (print_version): Likewise.
8267 * gcov-dump.c (print_version): Likewise.
8268 * mips-tfile.c (main): Likewise.
8269 * mips-tdump.c (main): Likewise.
8271 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8274 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8276 (rotlhi3_8): Delete.
8278 (rotlsi3_8): Delete.
8279 (rotlsi3_16): Delete.
8280 (rotlsi3_24): Delete.
8282 (*rotw<mode>3): New.
8283 (*rotb<mode>3): New.
8284 * config/avr/avr.c (avr_rotate_bytes): New function.
8285 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8287 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8290 * configure.ac: Modify -rdynamic check.
8291 * configure: Regenerate.
8293 2010-01-08 DJ Delorie <dj@redhat.com>
8295 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8296 register popping order.
8298 2010-01-08 Richard Guenther <rguenther@suse.de>
8301 * c.opt (fsigned-char): Also let LTO handle this option.
8302 (funsigned-char): Likewise.
8304 2010-01-07 Richard Guenther <rguenther@suse.de>
8306 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8307 (gimple_op): Likewise.
8308 (gimple_op_ptr): Likewise.
8309 (gimple_assign_set_lhs): Remove gcc_assert.
8310 (gimple_assign_set_rhs1): Likewise.
8311 (gimple_assign_set_rhs2): Likewise.
8312 (gimple_call_set_lhs): Likewise.
8313 (gimple_call_set_fn): Likewise.
8314 (gimple_call_set_fndecl): Likewise.
8315 (gimple_call_fndecl): Likewise.
8316 (gimple_call_return_type): Likewise.
8317 (gimple_call_set_chain): Likewise.
8318 (gimple_call_num_args): Likewise.
8319 (gimple_call_set_arg): Likewise.
8320 (gimple_cond_set_code): Likewise.
8321 (gimple_cond_set_lhs): Likewise.
8322 (gimple_cond_set_rhs): Likewise.
8323 (gimple_cond_set_true_label): Likewise.
8324 (gimple_cond_set_false_label): Likewise.
8325 (gimple_label_set_label): Likewise.
8326 (gimple_goto_set_dest): Likewise.
8327 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8328 (gimple_debug_bind_get_value): Likewise.
8329 (gimple_debug_bind_get_value_ptr): Likewise.
8330 (gimple_debug_bind_set_var): Likewise.
8331 (gimple_debug_bind_set_value): Likewise.
8332 (gimple_debug_bind_reset_value): Likewise.
8333 (gimple_debug_bind_has_value_p): Likewise.
8334 (gimple_return_retval_ptr): Remove gcc_assert.
8335 (gimple_return_retval): Likewise.
8336 (gimple_return_set_retval): Likewise.
8337 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8338 (safe_referenced_var_iterator): Remove.
8339 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8340 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8341 (fill_referenced_var_vec): Remove.
8342 (first_readonly_imm_use): Remove redundant gcc_assert.
8343 (phi_arg_index_from_use): Combine gcc_asserts.
8344 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8345 (first_imm_use_stmt): Remove redundant gcc_assert.
8346 * tree-cfg.c (verify_gimple_call): Verify function and chain
8347 operands. Verify arguments.
8348 (verify_types_in_gimple_stmt): Verify condition code and labels.
8350 2010-01-07 Richard Guenther <rguenther@suse.de>
8352 PR tree-optimization/42641
8353 * sese.c (rename_map_elt_info): Use the SSA name version, do
8356 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8358 PR tree-optimization/42625
8359 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8360 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8362 2010-01-07 Duncan Sands <baldrick@free.fr>
8364 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8366 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8369 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8370 note itself is not function_invariant_p.
8372 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8374 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8375 Do not add the DF_NOTE problem.
8376 * store-motion.c (execute_rtl_store_motion): Likewise.
8378 2010-01-07 Martin Jambor <mjambor@suse.cz>
8380 PR tree-optimization/42157
8381 * tree-sra.c (compare_access_positions): Stabilize sort if both
8382 accesses have integer types, return zero immediately if they are the
8385 2010-01-06 Richard Henderson <rth@redhat.com>
8388 * haifa-sched.c (add_to_note_list): Merge into ...
8389 (concat_note_lists): ... here, and ...
8390 (unlink_other_notes, rm_other_notes): Merge into...
8391 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8392 NOTE_INSN_EPILOGUE_BEG.
8394 2010-01-06 Richard Guenther <rguenther@suse.de>
8396 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8397 not inline regular functions into always-inline functions.
8399 2010-01-06 Nick Clifton <nickc@redhat.com>
8401 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8402 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8404 (OVERRIDE_OPTIONS): Delete.
8405 (OPTIMIZATION_OPTIONS): Define.
8406 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8407 * config/rx/rx.c (rx_handle_option): Issue an error message if
8408 -mcpu=rx200 and -fpu are used together.
8409 (rx_set_optimization_options): New function. Issue an error
8410 message if an optimization attribute attempts to reset the FPU/
8411 math optimization pairing.
8412 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8413 * config/rx/rx.opt: Set the default to 32-bit doubles.
8414 * config/rx/t-rx: Add multilibs for -nofpu option.
8415 * doc/invoke.texi: Update documentation of RX options.
8417 2010-01-06 Richard Guenther <rguenther@suse.de>
8419 * tree-ssa-pre.c (name_to_id): New global.
8420 (alloc_expression_id): Simplify SSA name handling.
8421 (lookup_expression_id): Likewise.
8422 (init_pre): Zero name_to_id.
8423 (fini_pre): Free it.
8425 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8427 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8429 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8432 * config/i386/sse.md (smaxv2di3): New.
8433 (umaxv2di3): Likewise.
8434 (sminv2di3): Likewise.
8435 (uminv2di3): Likewise.
8437 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8440 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8441 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8442 (legitimize_tls_address): Likewise.
8443 (sparc_tls_referenced_p): Likewise.
8444 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8445 and adjust calls to legitimize_pic_address.
8446 (legitimate_constant_p) Use sparc_tls_referenced_p.
8447 (legitimate_pic_operand_p): Likewise.
8448 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8449 (sparc_tls_symbol_ref_1): Delete.
8450 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8451 (legitimize_tls_address): Make static, handle CONST patterns.
8452 (legitimize_pic_address): Make static, remove unused parameter and
8453 adjust recursive calls.
8454 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8455 and adjust call to legitimize_pic_address.
8456 (sparc_output_mi_thunk): Likewise.
8458 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8459 H.J. Lu <hongjiu.lu@intel.com>
8462 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8463 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8464 operands to make them signed.
8467 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8470 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8471 GTU to GT for V4SI and V2DI.
8473 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8474 (umin<mode>3): Removed.
8476 (uminv4si3): Likewise.
8478 2010-01-05 Martin Jambor <mjambor@suse.cz>
8480 PR tree-optimization/42462
8481 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8482 current_function_decl to helper functions and macros.
8484 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8487 * flags.h: Don't include real.h.
8488 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8489 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8490 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8491 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8492 * dominance.c: Update copyright.
8493 * gimple.c (walk_gimple_op): Remove inline.
8494 * tree-ssa-reassoc.c: Include real.h.
8495 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8496 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8498 2010-01-05 Nick Clifton <nickc@redhat.com>
8500 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8501 register to push into the stack frame when the accumulator has to
8502 be saved during interrupts.
8504 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8506 * doc/invoke.texi: Remove the documentation about option
8508 * common.opt (Wunreachable-code): Preserved for backward
8510 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8511 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8512 the backward compatibility flag section.
8514 2010-01-05 Richard Guenther <rguenther@suse.de>
8516 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8518 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8521 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8523 PR tree-optimization/42508
8524 * tree-sra.c (convert_callers): Check for recursive call
8525 by comparing cgraph nodes instead of decls.
8526 (modify_function): Call ipa_modify_formal_parameters also
8527 on all same_body aliases.
8529 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8530 cgraph nodes when checking for same_body aliases.
8532 2010-01-05 Richard Guenther <rguenther@suse.de>
8534 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8535 allocation and lookup.
8536 (get_or_alloc_expr_for_constant): Likewise.
8537 (phi_translate): Sink allocation.
8539 2010-01-04 Richard Guenther <rguenther@suse.de>
8541 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8542 a new entry only if needed.
8543 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8544 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8546 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8548 (phi_translate): Handle CONSTANTs early.
8550 2010-01-04 Martin Jambor <mjambor@suse.cz>
8552 PR tree-optimization/42398
8553 * tree-sra.c (struct access): Removed flag grp_different_types.
8554 (dump_access): Do not dump the removed flag.
8555 (sort_and_splice_var_accesses): Do not set the removed flag.
8556 (sra_modify_expr): Check for type compatibility directly.
8558 2010-01-04 Martin Jambor <mjambor@suse.cz>
8560 PR tree-optimization/42366
8561 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8562 edges with variable number of parameters.
8563 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8564 flag instead of asserting it.
8565 (ipa_read_node_info): Read uses_analysis_done flag.
8567 2010-01-04 Richard Guenther <rguenther@suse.de>
8569 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8570 iterative_hash_* as intended.
8571 (vn_reference_compute_hash): Likewise. Simplify hashing
8573 (vn_reference_lookup_2): Likewise.
8574 (vn_nary_op_compute_hash): Likewise.
8575 (vn_phi_compute_hash): Likewise.
8576 (expressions_equal_p): Remove strange code.
8577 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8578 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8579 (bitmap_insert_into_set_1): Take value-id as parameter.
8580 (add_to_value): Pass it.
8581 (bitmap_insert_into_set): Likewise.
8582 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8584 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8587 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8588 (do_self_spec): For switches with SWITCH_IGNORE set set also
8589 SWITCH_IGNORE_PERMANENTLY.
8590 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8593 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8595 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8596 tree of an unreferenced global var.
8598 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8601 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8602 GTU to GT for V4SI and V2DI.
8604 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8605 (umin<mode>3): Removed.
8607 (uminv4si3): Likewise.
8609 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8612 * collect2.c (main): Turn on trace in collect2 if -v is passed
8615 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8617 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8618 description of expression operand.
8620 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8622 * configure.ac: Add install-html to target_list for Make-hooks.
8623 * configure: Regenerate.
8624 * fortran/Make-lang.in (F95_HTMLFILES): New.
8625 (fortran.html): Use it.
8626 (fortran.install-html): New.
8627 * Makefile.in (install-html): Add lang.install-html.
8628 * java/Make-lang.in (JAVA_HTMLFILES): New.
8629 (java.html): Use it.
8630 (java.install-html): New.
8631 * objc/Make-lang.in (objc.install-html): New.
8632 * objcp/Make-lang.in (obj-c++.install-html): New.
8633 * cp/Make-lang.in (c++.install-html): New.
8634 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8635 * lto/Make-lang.in (lto.install-html): New.
8637 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8640 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8642 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8644 PR rtl-optimization/41862
8645 * store-motion.c (store_killed_in_insn, compute_store_table,
8646 remove_reachable_equiv_notes, replace_store_insn,
8647 build_store_vectors): Ignore all DEBUG_INSNs.
8649 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8652 * common.opt: Add dumpdir.
8654 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8656 (option_map): Add --dumpdir.
8658 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8660 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8662 * opts.c (decode_options): Try dump_dir_name first if
8663 dump_base_name isn't an absolute path.
8664 (common_handle_option): Handle OPT_dumpdir.
8666 * toplev.c (dump_dir_name): New.
8667 (print_switch_values): Also ignore -dumpdir.
8669 * toplev.h (dump_dir_name): New.
8671 2010-01-03 Richard Guenther <rguenther@suse.de>
8673 PR tree-optimization/42589
8674 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8675 double-word expansion of bswap32.
8677 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8679 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8680 with BLOCK_FOR_INSN.
8681 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8682 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8683 noce_process_if_block): Likewise.
8684 * gcse.c (compute_local_properties, insert_expr_in_table,
8685 insert_set_in_table, canon_list_insert, find_avail_set,
8686 pre_insert_copy_insn): Likewise.
8688 * basic-block.h (BLOCK_NUM): Move from here...
8689 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8691 2010-01-03 Richard Guenther <rguenther@suse.de>
8693 PR tree-optimization/42438
8694 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8695 contains_may_not_return_call flag.
8696 (BB_MAY_NOTRETURN): New.
8697 (valid_in_sets): Trapping nary operations are not valid
8698 in blocks that may not return.
8699 (insert_into_preds_of_block): Remove check for trapping expressions.
8700 (compute_avail): Compute also BB_MAY_NOTRETURN.
8702 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8704 * doc/invoke.texi: Add 2010 to copyright years.
8706 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8708 * config/sparc/sparc.c: Fix formatting nits.
8710 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8711 Alexander Monakov <amonakov@ispras.ru>
8713 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8715 2010-01-02 Richard Guenther <rguenther@suse.de>
8718 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8719 (simplify_switch_using_ranges): Mark to be removed edges
8722 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8724 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8726 * collect2.c (scan_libraries): Add missing argument in call to
8729 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8732 * config/alpha/predicates.md (aligned_memory_operand): Return false
8734 (unaligned_memory_operand): Return true for CQImode.
8735 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8736 doesn not cross aligned SImode word boundary.
8738 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8740 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8742 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8743 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8745 2010-01-02 Richard Guenther <rguenther@suse.de>
8748 * toplev.c (compile_file): Emit LTO marker properly. Change
8750 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8752 2010-01-01 Richard Guenther <rguenther@suse.de>
8755 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8757 2010-01-01 Richard Guenther <rguenther@suse.de>
8760 * c-decl.c (grokdeclarator): For zero-size arrays force
8761 structural equality checks as layout_type does.
8763 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8765 * builtins.c: Update copyright to 2010.
8767 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8770 * lto-streamer-out.c (produce_asm): Revert the last change.
8771 (copy_function): Likewise.
8773 * lto-streamer.c (lto_get_section_name): Skip any leading
8776 2010-01-01 Richard Guenther <rguenther@suse.de>
8779 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8783 Copyright (C) 2010 Free Software Foundation, Inc.
8785 Copying and distribution of this file, with or without modification,
8786 are permitted in any medium without royalty provided the copyright
8787 notice and this notice are preserved.