1 2010-05-07 Jakub Jelinek <jakub@redhat.com>
3 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
4 this is also meaningful on PARM_DECLs and RESULT_DECLs.
6 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
10 2010-05-07 Richard Guenther <rguenther@suse.de>
12 PR tree-optimization/44020
13 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
14 code when PRE is not yet initialized.
16 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
18 * config/mips/dbxmdebug.h: Remove.
19 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
21 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
23 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
24 with null pointer and also warn about ordered comparison of zero with
27 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
30 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
31 * graphite-clast-to-gimple.c
32 (clast_to_gcc_expression): Same.
33 (precision_for_value): Same.
34 (precision_for_interval): Same.
35 (gcc_type_for_interval): Same.
36 (graphite_create_new_guard): Same.
37 (compute_bounds_for_level): Same.
38 (graphite_create_new_loop_guard): Same.
39 * graphite-interchange.c
40 (build_linearized_memory_access): Same.
41 (pdr_stride_in_loop): Same.
42 (memory_strides_in_loop_1): Same.
43 (memory_strides_in_loop): Same.
44 (extend_scattering): Same.
45 (psct_scattering_dim_for_loop_depth): Same.
46 (pbb_number_of_iterations): Same.
48 (debug_iteration_domains): Same.
50 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
51 (ppl_set_inhomogeneous_gmp): Same.
52 (ppl_strip_loop): Same.
53 (ppl_lexico_compare_linear_expressions): Same.
54 (ppl_read_polyhedron_matrix): Same.
55 (ppl_max_for_le_pointset): Same.
57 (ppl_read_polyhedron_matrix): Same.
58 (tree_int_to_gmp): Same.
59 (gmp_cst_to_tree): Same.
60 (ppl_set_inhomogeneous): Same.
61 (ppl_set_inhomogeneous_tree): Same.
63 (ppl_set_coef_tree): Same.
64 * graphite-sese-to-poly.c
65 (build_pbb_scattering_polyhedrons): Same.
66 (build_scop_scattering): Same.
67 (scan_tree_for_params_right_scev): Same.
68 (scan_tree_for_params): Same.
69 (find_params_in_bb): Same.
70 (find_scop_parameters): Same.
71 (add_upper_bounds_from_estimated_nit): Same.
72 (build_loop_iteration_domains): Same.
73 (add_condition_to_domain): Same.
74 (pdr_add_memory_accesses): Same.
76 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
78 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
79 CLooG's value_* macros to their respective mpz_* counterparts.
80 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
81 (graphite_create_new_loop_guard): Same.
82 * graphite-interchange.c (build_linearized_memory_access): Same.
83 (pdr_stride_in_loop): Same.
84 (memory_strides_in_loop_1): Same.
85 (1st_interchange_profitable_p): Same.
86 * graphite-poly.c (extend_scattering): Same.
87 (psct_scattering_dim_for_loop_depth): Same.
88 (pbb_number_of_iterations): Same.
89 (pbb_number_of_iterations_at_time): Same.
90 * graphite-poly.h (new_1st_loop): Same.
91 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
92 (oppose_constraint): Same.
93 (insert_constraint_into_matrix): Same.
94 (ppl_set_inhomogeneous_gmp): Same.
95 (ppl_set_coef_gmp): Same.
96 (ppl_strip_loop): Same.
97 (ppl_lexico_compare_linear_expressions): Same.
98 (ppl_max_for_le_pointset): Same.
99 (ppl_min_for_le_pointset): Same.
100 (ppl_build_realtion): Same.
101 * graphite-ppl.h (gmp_cst_to_tree): Same.
102 (ppl_set_inhomogeneous): Same.
103 (ppl_set_inhomogeneous_tree): Same.
104 (ppl_set_coef): Same.
105 (ppl_set_coef_tree): Same.
106 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
107 (build_scop_scattering): Same.
108 (add_value_to_dim): Same.
109 (scan_tree_for_params_right_scev): Same.
110 (scan_tree_for_params_int): Same.
111 (scan_tree_for_params): Same.
112 (find_params_in_bb): Same.
113 (find_scop_parameters): Same.
114 (add_upper_bounds_from_estimated_nit): Same.
115 (build_loop_iteration_domains): Same.
116 (create_linear_expr_from_tree): Same.
117 (add_condition_to_domain): Same.
118 (pdr_add_memory_accesses): Same.
120 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
121 Jason Merrill <jason@redhat.com>
123 * c-common.c (c_common_reswords): Add nullptr.
124 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
125 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
126 (gen_type_die_with_usage): Likewise.
127 * dbxout.c (dbxout_type): Likewise.
128 * sdbout.c (plain_type_1): Likewise.
130 2010-05-06 Jason Merrill <jason@redhat.com>
132 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
133 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
135 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
137 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
138 stripping WITH_SIZE_EXPR.
139 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
142 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
144 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
145 list of obsolete configurations.
146 Disabled check for obsolete configurations.
147 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
148 Removed support for previous versions.
149 * config/mips/iris.h: Removed.
150 * config/mips/iris5.h: Removed.
151 * config/mips/iris6.h: Merged old iris.h contents.
152 (TARGET_IRIX): Removed.
153 (DRIVER_SELF_SPECS): Removed mabi=32.
154 (IDENT_ASM_OP): Removed undef.
155 (STARTFILE_SPEC): Removed mabi=32.
156 (ENDFILE_SPEC): Likewise.
157 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
158 (MACHINE_TYPE): Update for IRIX 6.5.
159 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
160 TARGET_IRIX by TARGET_IRIX6.
161 (mips_file_start): Likewise.
162 (mips_output_external): Remove IRIX 5/6 O32 support.
163 (mips_output_function_prologue): Likewise.
164 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
166 (TARGET_CPU_CPP_BUILTINS): Likewise.
167 (TARGET_IRIX): Removed.
168 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
169 (MULTILIB_DIRNAMES): Removed 32.
170 (MULTILIB_OSDIRNAMES): Removed ../lib.
171 * doc/install.texi (Prerequisites): Don't reference IRIX before
173 (Specific, mips-sgi-irix5): Document removal.
174 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
176 Remove references to older IRIX 6 releases and the O32 ABI.
178 2010-05-06 Jakub Jelinek <jakub@redhat.com>
180 * gcc.dg/Wunused-var-8.c: Move to...
181 * c-c++-common/Wunused-var-6.c: ... here. New test.
184 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
185 instead of DF_REF_REAL_REG.
187 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
190 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
191 handling to still return true for x64 targets.
193 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
195 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
197 2010-05-06 Jan Hubicka <jh@suse.cz>
199 PR tree-optimization/43791
200 * ipa-inline.c (update_caller_keys): Remove bogus
201 disregard_inline_limits check.
203 2010-05-06 Michael Matz <matz@suse.de>
205 PR tree-optimization/43984
206 * tree-ssa-pre.c (inserted_phi_names): Remove.
207 (inserted_exprs): Change to bitmap.
208 (create_expression_by_pieces): Set bits, don't append to vector.
209 (insert_into_preds_of_block): Don't handle inserted_phi_names.
210 (eliminate): Don't look at inserted_phi_names, remove deleted
211 insns from inserted_exprs.
212 (remove_dead_inserted_code): Adjust to use bitmaps instead of
214 (init_pre, fini_pre): Allocate and free bitmaps.
215 (execute_pre): Insert insns on edges before elimination.
217 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
219 * tree.c (initializer_zerop): Handle STRING_CST.
221 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
224 * doc/invoke.texi (Wimplicit): Document as C only.
225 * opts.c (common_handle_option): Add argument kind.
226 (handle_option): Rename as read_cmdline_option. Factor out code to...
227 (handle_option): ... here. New.
228 (handle_options): Rename as read_cmdline_options.
229 (decode_options): Update call.
230 (set_option): Use option index instead of option pointer. Classify
231 diagnostics correctly.
232 (enable_warning_as_error): Call handle_option.
233 * opts.h (set_option): Update declaration.
234 (handle_option): Declare.
235 * langhooks.h (struct lang_hooks): Add argument kind to
237 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
238 * c-opts.c (set_Wimplicit): Delete.
239 (c_family_lang_mask): New static constant.
240 (c_common_handle_option): Add argument kind. Use handle_option
241 instead of set_Wimplicit.
242 (c_common_post_options): warn_implicit and warn_implicit_int
243 are disabled by default.
244 * c-common.c (warn_implicit): Do not define here.
245 * c-common.h (warn_implicit): Do not declare here.
246 (c_common_handle_option): Update declaration.
247 * lto-opts.c (lto_reissue_options): Update call to set_option.
249 2010-05-06 Richard Guenther <rguenther@suse.de>
251 PR tree-optimization/43571
252 * domwalk.c (walk_dominator_tree): Walk the dominator
253 sons in more optimal order.
255 2010-05-06 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/43934
258 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
259 (stmt_cost): Likewise.
260 (extract_true_false_args_from_phi): New helper.
261 (determine_max_movement): For PHI nodes verify we can hoist them
262 and compute their cost.
263 (determine_invariantness_stmt): Handle PHI nodes.
264 (move_computations_stmt): Likewise. Hoist PHI nodes in
265 if-converted form using COND_EXPRs.
266 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
268 (tree_ssa_lim): Likewise.
269 * tree-flow.h (tree_ssa_lim): Adjust prototype.
270 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
272 2010-05-06 Richard Guenther <rguenther@suse.de>
274 PR tree-optimization/43987
275 * tree-ssa-structalias.c (could_have_pointers): For possibly
276 address-taken variables force pointers to be recorded.
277 (create_variable_info_for_1): Likewise.
278 (push_fields_onto_fieldstack): Pass in wheter all fields
280 (find_func_aliases): Query types instead of vars whether
281 they contain pointers where appropriate.
283 2010-05-06 Jan Hubicka <jh@suse.cz>
285 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
286 (record_reference, mark_address, mark_load, mark_store): Record
288 (record_references_in_initializer): Update call of record_references.
289 (rebuild_cgraph_edges): Remove all references before rebuiding.
290 * cgraph.c (cgraph_create_node): Clear ref list.
291 (cgraph_remove_node): Remove references.
292 (dump_cgraph_node): Dump references.
293 (cgraph_clone_node): Clone references.
294 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
295 (struct cgraph_node, varpool_node): Add ref_lst.
296 * ipa-ref.c: New file.
297 * ipa-ref.h: New file.
298 * ipa-ref-inline.h: New file.
299 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
300 (referenced_from_other_partition_p): New function.
301 (lto_output_varpool_node): Take set arugment; call
302 referenced_from_other_partition.
303 (lto_output_ref): New.
304 (add_references): New.
306 (output_cgraph): Compute boundary based on references;
308 (output_varpool): Accept cgraph_node_set argument.
311 (input_cgraph): Call input_refs.
312 * lto-section-in.c (lto_section_name): Add refs.
313 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
314 (ipa-ref.o): New file.
315 * varpool.c (varpool_node): Clear ipa ref list.
316 (varpool_remove_node): Remove references.
317 (dump_varpool_node): Dump references.
318 (varpool_assemble_decl): Only compile finalized ones.
319 (varpool_extra_name_alias): Initialize ref list.
320 * lto-streamer.c (lto-get_section_name): Add .refs section.
321 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
322 (referenced_from_other_partition_p): Declared.
324 2010-05-06 Ira Rosen <irar@il.ibm.com>
326 PR tree-optimization/43901
327 * tree-vect-stmts.c (vectorizable_call): Assert that vector
328 type is not NULL if it's transformation phase, and return
329 FALSE if it's analysis.
330 (vectorizable_conversion, vectorizable_operation,
331 vectorizable_type_demotion, vectorizable_type_promotion):
334 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
336 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
338 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
340 * config/mips/mips-protos.h
341 (mips_small_register_classes_for_mode_p): Delete prototype.
343 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
345 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
346 * config/arm/arm.c (multiple_operation_profitable_p,
347 compute_offset_order): New static functions.
348 (load_multiple_sequence, store_multiple_sequence): Use them.
349 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
350 memory offsets, not register numbers.
351 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
353 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
355 * stor-layout.c (pending_sizes): Change the type to
357 (get_pending_sizes, put_pending_size, put_pending_sizes):
358 Update the uses of pending_sizes.
359 * c-decl.c (store_parm_decls): Likewise.
360 * c-tree.h (struct c_arg_info): Likewise.
361 * tree.h: Update the prototype for get_pending_sizes and
364 2010-05-05 Jason Merrill <jason@redhat.com>
367 * c-common.c (handle_aligned_attribute): Respect
368 ATTR_FLAG_TYPE_IN_PLACE.
371 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
372 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
373 (TARGET_INITIALIZER): Use it.
374 * c-common.c (attribute_takes_identifier_p): Call it.
375 * c-common.h: Update prototype.
376 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
377 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
379 2010-05-05 Jakub Jelinek <jakub@redhat.com>
382 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
383 DW_ID_down_case for Fortran compilation units.
385 2010-05-05 Jan Hubicka <jh@suse.cz>
387 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
390 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
392 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
393 a variable-sized RESULT_DECL.
395 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
397 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
399 2010-05-05 Jason Merrill <jason@redhat.com>
402 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
404 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
406 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
407 Jakub Jelinek <jakub@redhat.com>
410 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
411 (dead_debug_init, dead_debug_finish): New functions.
412 (dead_debug_add, dead_debug_insert_before): Likewise.
413 (df_note_bb_compute): Initialize a dead_debug object, add dead
414 debug uses to it, insert debug bind insns before death insns,
415 reset debug insns that refer to pending uses at the end.
416 * rtl.h (make_debug_expr_from_rtl): New prototype.
417 * varasm.c (make_debug_expr_from_rtl): New function.
419 2010-05-05 Jan Hubicka <jh@suse.cz>
421 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
422 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
423 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
424 lto_varpool_encoder_encode_initializer_p,
425 lto_set_varpool_encoder_encode_initializer): New functions.
426 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
428 (input_varpool_node): Do not always set analyzed.
429 (input_cgraph_1): Return vector of cgraph nodes.
430 (input_varpool_1): Return vector of varpools.
431 (input_cgraph): Free the vectors.
432 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
433 output only initializers needed.
434 (lto_output): Only call output_cgraph.
435 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
436 * lto-section-out.c (lto_new_out_decl_state): Initialize
437 state->varpool_node_encoder.
438 * lto-streamer.h (lto_varpool_encoder_d): New.
439 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
440 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
441 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
442 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
443 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
445 (output_varpool, input_varpool): Remove declarations.
447 2010-05-05 Jan Hubicka <jh@suse.cz>
449 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
450 with body can prevail.
452 2010-05-05 Jan Hubicka <jh@suse.cz>
454 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
457 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
459 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
462 * gengtype.h (erro_at_line): Constify pos argument.
464 * gengtype.c: Include hashtab.h.
465 (enum gc_used): Document GC_MAYBE_POINTED_TO.
466 (error_at_line): Constify pos argument.
467 (do_typedef): Initialize p->opt field.
468 (get_file_gtfilename): Fix comment typo.
469 (struct walk_type_data): Constify line field.
470 (get_output_file_for_structure): New function.
471 (write_local_func_for_structure): Constify orig_s argument.
472 Use get_output_file_for_structure.
473 (write_func_for_structure): Use get_output_file_for_structure.
474 (INDENT): New define.
475 (dump_pair, dump_type, dump_type_list, dump_typekind)
476 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
477 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
479 (seen_types): New variable.
480 (main): New variable do_dump. Process "-d" command line option.
481 Call dump_everything if dump requested.
483 2010-05-05 Jakub Jelinek <jakub@redhat.com>
485 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
486 in a temporary instead of invoking the macro multiple times.
487 (track_expr_p): Likewise.
489 2010-05-04 Neil Vachharajani <nvachhar@google.com>
491 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
493 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
494 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
495 conditions for printing notes.
496 * common.opt (-Wcoverage-mismatch): Allow negative, default to
497 true, update documentation.
498 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
500 2010-05-04 Jakub Jelinek <jakub@redhat.com>
503 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
506 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
509 * config/i386/i386.md (sse_prologue_save): Add clobber CC
511 (*sse_prologue_save_insn1): Likewise.
512 (SSE prologue save splitter): Likewise.
514 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
516 * tree.c (free_lang_data_in_one_sizepos): New inline function.
517 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
518 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
519 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
520 all decls. Call it on DECL_FIELD_OFFSET of fields.
521 (find_decls_types_r): Follow DECL_VALUE_EXPR.
522 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
524 2010-05-04 Martin Jambor <mjambor@suse.cz>
526 * tree-sra.c (build_access_from_expr_1): The first parameter type
527 changed to simple tree.
528 (build_access_from_expr): Likewise, gsi parameter was eliminated.
529 (scan_assign_result): Renamed to assignment_mod_result, enum elements
531 (build_accesses_from_assign): Removed all parameters except for a
532 simple gimple statement. Now returns a simple bool.
533 (scan_function): All non-analysis parts moved to separate functions
534 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
535 parameters and updated both callers.
536 (sra_modify_expr): Removed parameter data.
537 (sra_modify_function_body): New function.
538 (perform_intra_sra): Call sra_modify_function_body to modify the
540 (replace_removed_params_ssa_names): Parameter data changed into
542 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
543 changed the parameter dont_convert to convert with the opposite
545 (sra_ipa_modify_assign): Parameter data changed into adjustments
546 vector, return value changed to bool.
547 (ipa_sra_modify_function_body): New function.
548 (sra_ipa_reset_debug_stmts): Updated a comment.
549 (modify_function): Use ipa_sra_modify_function_body to modify function
552 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
555 * alias.c (true_dependence): Handle the same VALUE in x and mem.
556 (canon_true_dependence): Likewise.
557 (write_dependence_p): Likewise.
559 2010-05-04 Jan Hubicka <jh@suse.cz>
561 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
562 * cgraphbuild.c: Include ipa-utils.h
563 (record_reference_ctx): New struct.
564 (record_reference): Simplify to work on initializers; not statements.
565 (mark_address, mark_load, mark_store): New.
566 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
568 (record_references_in_initializer): Update use of record_reference.
569 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
572 2010-05-04 Jan Hubicka <jh@suse.cz>
574 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
575 node will be removed anyway.
576 (lto_varpool_replace_node): Allow also unanalyzed nodes;
577 relink aliases of node into prevailing node.
578 * varpool.c (varpool_remove_node): Remove aliases properly;
579 when removing node, remove all its aliases too; remove DECL_INITIAL
580 of removed node; ggc_free the varpool node.
582 2010-05-04 Richard Guenther <rguenther@suse.de>
584 PR tree-optimization/43879
585 * tree-ssa-structalias.c (alias_get_name): Use
586 DECL_ASSEMBLER_NAME if available.
587 (create_function_info_for): Return the varinfo node.
588 (ipa_pta_execute): Associate same-body aliases and extra names
589 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
591 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
593 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
596 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
599 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
600 only if HONOR_REG_ALLOC_ORDER is not defined.
602 2010-05-04 Richard Guenther <rguenther@suse.de>
604 PR tree-optimization/43949
605 * tree-vrp.c (extract_range_from_binary_expr): Only handle
608 2010-04-26 Jason Merrill <jason@redhat.com>
610 * c.opt (-fstrict-enums): New.
611 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
613 2010-05-03 David Ung <davidu@mips.com>
614 James E. Wilson <wilson@codesourcery.com>
616 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
617 emit the trap instruction before the divide for TUNE_74K.
619 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
621 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
622 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
623 based on the above, for new target hook.
625 * hooks.c (hook_bool_mode_true): New generic hook.
626 * hooks.h (hook_bool_mode_true): Add prototype.
628 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
630 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
631 target hook, set to hook_bool_mode_false.
632 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
633 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
634 with targetm.small_register_classes_for_mode_p.
635 (find_reusable_reload): Likewise.
636 (combine_reloads): Likewise.
637 * reload1.c (reload_as_needed): Likewise.
638 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
639 * ifcvt.c (noce_process_if_block, check_cond_move_block,
640 dead_or_predicable): Likewise.
641 * regmove.c (optimize_reg_copy_1): Likewise.
642 * calls.c (prepare_call_address): Likewise.
643 (precompute_register_parameters): Likewise.
645 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
647 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
648 implementation of the hook that considers all register classes
649 small except for SH64.
650 (sh_override_options): Use the new hook.
651 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
654 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
656 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
657 implementation of the hook that considers all register classes
659 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
662 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
664 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
665 implementation of the hook that considers all register classes
667 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
670 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
672 * config/m32c/m32c.h: Likewise.
673 * config/pdp11/pdp11.h: Likewise.
674 * config/avr/avr.h: Likewise.
675 * config/xtensa/xtensa.h: Likewise.
676 * config/m68hc11/m68hc11.h: Likewise.
677 * config/mn10300/mn10300.h: Likewise.
678 * config/mcore/mcore.h: Likewise.
679 * config/h8300/h8300.h: Likewise.
680 * config/bfin/bfin.h: Likewise.
682 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
683 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
685 2010-05-03 Anatoly Sokolov <aesok@post.ru>
687 * double-int.h (tree_to_double_int): Remove macro.
688 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
689 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
690 (tree_to_double_int): New function.
691 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
693 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
695 2010-05-03 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/43971
698 * tree-ssa-structalias.c (get_constraint_for_1): Fix
699 constraints in the !flag_delete_null_pointer_checks case.
701 2010-05-03 Jakub Jelinek <jakub@redhat.com>
704 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
705 result mode matches original rtl mode.
707 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
710 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
712 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
714 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
715 when processing flag options.
717 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
719 * gcov-iov.c (main): Change format string placeholder
720 from %#08x to 0x%08x.
721 * genchecksum.c (dosum): Change format string placeholder
722 from %#02x to 0x%02x.
724 2010-05-02 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/43879
727 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
729 2010-05-02 Bruno Haible <bruno@clisp.org>
731 * doc/extend.texi (Function Attributes): Fix a typo.
733 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
736 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
737 placeholder from 0x%x to %#x.
738 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
739 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
740 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
741 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
742 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
743 * config/i386/i386.c (ix86_target_string): Ditto.
744 * config/i386/i386.c (output_pic_addr_const): Ditto.
745 (print_operand): Ditto.
747 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
749 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
750 placeholder from 0x%x to %#x.
751 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
752 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
753 (ASM_OUTPUT_DEBUG_DATA): Ditto.
754 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
755 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
756 * optc-gen.awk: Ditto.
757 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
758 (HOST_WIDE_INT_PRINT_HEX): Ditto.
759 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
760 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
762 2010-05-01 Anatoly Sokolov <aesok@post.ru>
764 * target.h (struct calls): Add function_value_regno_p field.
765 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
766 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
767 * targhooks.c (default_function_value_regno_p): New function.
768 * targhooks.h (default_function_value_regno_p): Declare function.
769 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
770 * builtins.c. (apply_result_size): (Ditto.).
771 * combine.c. (likely_spilled_retval_p): (Ditto.).
772 * mode-switching.c. Include 'target.h'.
773 (create_pre_exit): Use function_value_regno_p hook.
774 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
775 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
776 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
778 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
779 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
780 (ix86_function_value_regno_p): Declare as static, change argument
781 type to const unsigned int.
782 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
784 2010-05-01 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/43949
787 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
789 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
791 2010-05-01 Anatoly Sokolov <aesok@post.ru>
793 * rtl.h (CONST_DOUBLE_P): Define.
794 (rtx_to_double_int): Declare.
795 * emit-rtl.c (rtx_to_double_int): New function.
796 * dwarf2out.c (insert_double): New function.
797 (loc_descriptor, add_const_value_attribute): Clean up, use
798 rtx_to_double_int and insert_double functions.
800 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
802 * doc/extend.texi (Inline): Add missing return keyword to examples.
803 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
806 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
808 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
809 the variable part of the offset as well. Use highest_pow2_factor for
810 all alignment checks.
812 2010-04-30 Richard Guenther <rguenther@suse.de>
814 PR tree-optimization/43879
815 * tree-ssa-structalias.c (type_could_have_pointers): Functions
818 2010-04-30 Jan Hubicka <jh@suse.cz>
820 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
822 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
824 2010-04-30 Jan Hubicka <jh@suse.cz>
826 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
828 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
829 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
830 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
831 cgraph_node_set_needs_ltrans_p): Remove.
833 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
835 * sdbout.c: Include vec.h, do not include varray.h.
836 (deferred_global_decls, sdbout_global_decl,
837 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
838 * toplev.c: Do not include varray.h.
839 (dump_memory_report): Do not dump VARRAY statistics.
840 * gengtype.c (open_base_file): Ignore varray.h.
841 * Makefile.in: Update for abovementioned changes.
842 Remove all traces of varray.c and varray.h.
843 * varray.c: Remove file.
844 * varray.h: Remove file.
846 2010-04-30 Jan Hubicka <jh@suse.cz>
848 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
851 2010-04-30 Jan Hubicka <jh@suse.cz>
853 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
856 2010-04-30 Richard Guenther <rguenther@suse.de>
858 * tree-ssa-structalias.c (get_constraint_for_1): Generate
859 constraints for CONSTRUCTOR.
861 2010-04-30 Richard Guenther <rguenther@suse.de>
864 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
865 first after all lowering passes.
867 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
869 * toplev.c: Include varray.h for statistics dumping.
870 * tree.h: Do not declare varray_head_tag.
871 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
872 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
873 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
874 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
875 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
876 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
877 c-common.c, c-common.h, reg-stack.c, basic-block.h,
878 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
880 * Makefile.in: Update for abovementioned changes.
882 2010-04-30 Jakub Jelinek <jakub@redhat.com>
885 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
887 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
889 * config/picochip/picochip.c (picochip_legitimize_address): Define.
890 Use this function to do machine-specific conversion.
891 (picochip_legitimize_reload_address): Likewise.
892 (picochip_legitimate_address_p): Check valid base register only if
894 (picochip_check_conditional_copy): Check for modw only if opnd is
896 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
897 to call the function in c.
898 * config/picochip/picochip-protos.h
899 (picochip_legitimize_reload_address): Define.
900 * config/picochip/picochip.md (supported_compare1): Define.
902 2010-04-30 Jan Hubicka <jh@suse.cz>
904 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
905 (cgraph_global_info): Remove inlined.
906 (LTO_cgraph_tag_names): Remove.
907 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
908 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
909 simplify cgraph tags and document.
910 (lto_output_node): Use only LTO_cgraph_unavail_node and
911 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
912 for_functions_valid, global info, process and output flags.
913 (input_overwrite_node): Initialize estimated stack size and
914 estimated growth. Do not read flags we no longer store.
915 (input_node): Likewise do not read info no longer stored.
916 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
919 2010-04-30 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/43879
922 * tree-ssa-structalias.c (get_constraint_for_1): Properly
923 handle non-zero initializers.
925 2010-04-30 Richard Guenther <rguenther@suse.de>
927 * builtins.c (fold_builtin_1): Delete free (0).
929 2010-04-29 Jan Hubicka <jh@suse.cz>
931 * gengtype.c (open_base_files): Add lto-streamer.h
932 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
933 (pass_ipa_cp): GGC collect.
934 * toplev. (compile_file): Do not output symbols.
935 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
936 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
937 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
938 * lto-section-in.c: Include ggc.h
939 (lto_new_in_decl_state): Alloc in GGC.
940 (lto_delete_in_decl_state): Likewise.
941 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
944 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
947 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
948 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
949 (HONOR_REG_ALLOC_ORDER): Describe new macro.
950 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
951 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
952 account only if HONOR_REG_ALLOC_ORDER is not defined.
953 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
954 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
956 2010-04-29 Jon Grant <04@jguk.org>
958 * collect2.c (vflag): Change type from int to bool.
960 (helpflag): New global bool.
961 (main): Set vflag and debug with boolean, not integer truth values.
962 Accept new "--help" option and output usage text if found.
963 * collect2.h (vflag): Update prototype.
966 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
969 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
971 2010-04-29 Richard Guenther <rguenther@suse.de>
974 * plugin.h (invoke_plugin_callbacks): Annotate arguments
975 with ATTRIBUTE_UNUSED.
977 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
980 * config/i386/i386.c (get_some_local_dynamic_name): Replace
981 INSN_P with NONDEBUG_INSN_P.
982 (distance_non_agu_define): Likewise.
983 (distance_agu_use): Likewise.
985 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
987 From Dominique d'Humieres <dominiq@lps.ens.fr>
989 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
992 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
994 * plugin.h (invoke_plugin_callbacks): New inline function.
995 * plugin.c (flag_plugin_added): New global flag.
996 (add_new_plugin): Initialize above flag.
997 (invoke_plugin_callbacks): Rename to ...
998 (invoke_plugin_callbacks_full): ... this.
1000 2010-04-28 Jan Hubicka <jh@suse.cz>
1002 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1003 (lto_varpool_replace_node): New.
1004 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1005 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1006 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1007 * cgraph.h (varpool_node_ptr): New type.
1008 (varpool_node_ptr): New vector.
1009 (varpool_node_set_def): New structure.
1010 (varpool_node_set): New type.
1011 (varpool_node_set): New vector.
1012 (varpool_node_set_element_def): New structure.
1013 (varpool_node_set_element, const_varpool_node_set_element): New types.
1014 (varpool_node_set_iterator): New type.
1015 (varpool_node): Add prev pointers, add used_from_other_partition,
1017 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1018 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1019 varpool_get_node, varpool_remove_node): Declare.
1020 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1021 varpool_node_set_size): New inlines.
1022 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1023 * tree-pass.h (varpool_node_set_def): Forward declare.
1024 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1025 (ipa_write_optimization_summaries): Update prototype.
1026 * ipa-cp.c (ipcp_write_summary): Update.
1027 * ipa-reference.c (ipa_reference_write_summary): Update.
1028 * lto-cgraph.c (lto_output_varpool_node): New static function.
1029 (output_varpool): New function.
1030 (input_varpool_node): New static function.
1031 (input_varpool_1): New function.
1032 (input_cgraph): Input varpool.
1033 * ipa-pure-const.c (pure_const_write_summary): Update.
1034 * lto-streamer-out.c (lto_output): Update, output varpool too.
1035 (write_global_stream): Kill WPA hack.
1036 (produce_asm_for_decls): Update.
1037 (output_alias_pair_p): Handle variables.
1038 (output_unreferenced_globals): Output only needed partition of varpool.
1039 * ipa-inline.c (inline_write_summary): Update.
1040 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1042 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1043 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1044 varpool_node_set_new, varpool_node_set_add,
1045 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1046 debug_varpool_node_set): New functions.
1047 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1048 (execute_one_pass): Process new decls too.
1049 (ipa_write_summaries_2): Pass around vsets.
1050 (ipa_write_summaries_1): Likewise.
1051 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1053 (ipa_write_optimization_summaries_1): Pass around vsets.
1054 (ipa_write_optimization_summaries): Likewise.
1055 * varpool.c (varpool_get_node): New.
1056 (varpool_node): Update doubly linked lists.
1057 (varpool_remove_node): New.
1058 (dump_varpool_node): More dumping.
1059 (varpool_enqueue_needed_node): Update doubly linked lists.
1060 (decide_is_variable_needed): Kill ltrans hack.
1061 (varpool_finalize_decl): Kill lto hack.
1062 (varpool_assemble_decl): Skip decls in other partitions.
1063 (varpool_assemble_pending_decls): Update doubly linkes lists.
1064 (varpool_empty_needed_queue): Likewise.
1065 (varpool_extra_name_alias): Likewise.
1066 * lto-streamer.c (lto_get_section_name): Add vars section.
1067 * lto-streamer.h (lto_section_type): Update.
1068 (output_varpool, input_varpool): Declare.
1070 2010-04-28 Mike Stump <mikestump@comcast.net>
1072 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1074 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1076 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1077 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1078 (lto_input_ts_type_tree_pointers): Likewise.
1079 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1080 (lto_output_ts_type_tree_pointers): Likewise.
1082 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1084 Uniquization of constants at the Tree level
1085 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1086 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1088 (tree_output_constant_def): Declare.
1089 * gimplify.c (gimplify_init_constructor): When using block copy, first
1090 uniquize the constant constructor on the RHS.
1091 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1092 DECL_IN_CONSTANT_POOL flag.
1093 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1094 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1096 (assemble_variable): Deal with symbols belonging to the tree constant
1098 (get_constant_section): Add ALIGN parameter and simplify.
1099 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1100 (assemble_constant_contents): Use the expression of the VAR_DECL.
1101 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1102 (tree_output_constant_def): New global function.
1103 (mark_constant): Use the expression of the VAR_DECL.
1104 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1106 (output_object_block): Likewise and assemble the expression.
1108 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1110 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1111 hash_tree, eq_tree): New tree hash table.
1112 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1113 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1114 lto_orig_address_remove): Reimplement.
1116 2010-04-28 Xinliang David Li <davidxl@google.com>
1119 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1120 (compute_uninit_opnds_pos): New function.
1121 (is_non_loop_exit_postdominating): New function.
1122 (compute_control_dep_chain): New function.
1123 (find_pdom): New function.
1124 (convert_control_dep_chain_into_preds): New function.
1125 (find_predicates): New function.
1126 (find_control_equiv_block): New function.
1127 (collect_phi_def_edges): New function.
1128 (find_def_preds): New function.
1129 (find_dom): New function.
1130 (dump_predicates): New function.
1131 (get_cmp_code): New function.
1132 (is_value_included_in): New function.
1133 (find_matching_predicate_in_rest_chains): New function.
1134 (use_pred_not_overlap_with_undef_path_pred): New function.
1135 (is_use_properly_guarded): New function.
1136 (normalize_cond_1): New function.
1137 (is_and_or_or): New function.
1138 (normalize_cond): New function.
1139 (is_gcond_subset_of): New function.
1140 (is_subset_of_any): New function.
1141 (is_or_set_subset_of): New function.
1142 (is_and_set_subset_of): New function.
1143 (is_norm_cond_subset_of): New function.
1144 (is_pred_expr_subset_of): New function.
1145 (is_pred_chain_subset_of): New function.
1146 (is_included_in): New function.
1147 (is_superset_of): New function.
1148 (find_uninit_use): New function.
1149 (warn_uninitialized_phi): New function.
1150 (compute_possibly_undefined_names): New function.
1151 (ssa_undefined_value_p): New function.
1152 (execute_late_warn_uninitialized): New function.
1153 * tree-ssa.c (ssa_undefined_value_p): Removed.
1154 (warn_uninit): Changed to extern.
1155 (warn_uninitialized_phi): Removed.
1156 (warn_uninitialized_vars): Changed to extern.
1157 (execute_late_warn_uninitialized): Removed
1158 * tree-flow.h: Add new prototypes.
1159 * timevar.def: Add new time variable.
1160 * Makefile.in: Add new build file.
1162 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1164 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1167 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1170 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1172 2010-04-28 Martin Jambor <mjambor@suse.cz>
1174 * cgraph.h (struct cgraph_node): New field indirect_calls.
1175 (struct cgraph_indirect_call_info): New type.
1176 (struct cgraph_edge): Removed field indirect_call. New fields
1177 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1178 (cgraph_create_indirect_edge): Declare.
1179 (cgraph_make_edge_direct): Likewise.
1180 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1181 * ipa-prop.h (struct ipa_param_call_note): Removed.
1182 (struct ipa_node_params): Removed field param_calls.
1183 (ipa_create_all_structures_for_iinln): Declare.
1184 * cgraph.c: Described indirect edges and uids in initial comment.
1185 (cgraph_add_edge_to_call_site_hash): New function.
1186 (cgraph_edge): Search also among the indirect edges, use
1187 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1188 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1189 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1191 (initialize_inline_failed): Assign a reason to indirect edges.
1192 (cgraph_create_edge_1): New function.
1193 (cgraph_create_edge): Moved some functionality to
1194 cgraph_create_edge_1.
1195 (cgraph_create_indirect_edge): New function.
1196 (cgraph_edge_remove_callee): Add an assert checking for
1198 (cgraph_edge_remove_caller): Special-case indirect edges.
1199 (cgraph_remove_edge): Likewise.
1200 (cgraph_set_edge_callee): New function.
1201 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1202 (cgraph_make_edge_direct): New function.
1203 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1204 the declaration of the call statement matches.
1205 (cgraph_node_remove_callees): Special-case indirect edges.
1206 (cgraph_clone_edge): Likewise.
1207 (cgraph_clone_node): Clone also the indirect edges.
1208 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1209 indirect_call, dump count of indirect_calls edges.
1210 * ipa-prop.c (iinlining_processed_edges): New variable.
1211 (ipa_note_param_call): Create indirect edges instead of
1212 creating notes. New parameter node.
1213 (ipa_analyze_call_uses): New parameter node, pass it on to
1214 ipa_note_param_call.
1215 (ipa_analyze_stmt_uses): Likewise.
1216 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1217 (print_edge_addition_message): Work on edges rather than on notes.
1218 (update_call_notes_after_inlining): Likewise, renamed to
1219 update_indirect_edges_after_inlining.
1220 (ipa_create_all_structures_for_iinln): New function.
1221 (ipa_free_node_params_substructures): Do not free notes.
1222 (ipa_edge_duplication_hook): Propagate bits within
1223 iinlining_processed_edges bitmap.
1224 (ipa_node_duplication_hook): Do not duplicate notes.
1225 (free_all_ipa_structures_after_ipa_cp): Renamed to
1226 ipa_free_all_structures_after_ipa_cp.
1227 (free_all_ipa_structures_after_iinln): Renamed to
1228 ipa_free_all_structures_after_iinln.g
1229 (ipa_write_param_call_note): Removed.
1230 (ipa_read_param_call_note): Removed.
1231 (ipa_write_indirect_edge_info): New function.
1232 (ipa_read_indirect_edge_info): Likewise.
1233 (ipa_write_node_info): Do not stream notes, do stream information
1235 (ipa_read_node_info): Likewise.
1236 (lto_ipa_fixup_call_notes): Removed.
1237 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1238 * ipa-inline.c (pass_ipa_inline): Likewise.
1239 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1240 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1241 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1243 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1245 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1246 (output_cgraph): Stream also indirect edges.
1247 (lto_output_edge): Added capability to stream indirect edges.
1248 (input_edge): Likewise.
1249 (input_cgraph_1): Likewise.
1250 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1253 2010-04-28 Richard Guenther <rguenther@suse.de>
1255 PR tree-optimization/43879
1256 PR tree-optimization/43909
1257 * tree-ssa-structalias.c (struct variable_info): Add
1258 only_restrict_pointers flag.
1259 (new_var_info): Initialize it. Increment stats.total_vars here.
1260 (create_function_info_for): Do not increment stats.total_vars
1262 (get_function_part_constraint): Fix build with C++.
1263 (insert_into_field_list): Remove.
1264 (push_fields_onto_fieldstack): Properly merge fields.
1265 (create_variable_info_for): Split and simplify.
1266 (create_variable_info_for_1): New piece.
1267 (intra_create_variable_infos): Properly make restrict constraints
1270 2010-04-28 Richard Guenther <rguenther@suse.de>
1273 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1275 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1276 Jan Hubicka <hubicka@ucw.cz>
1278 * doc/invoke.texi (-Wsuggest-attribute=const,
1279 -Wsuggest-attribute=pure): Document.
1280 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1281 (function_always_visible_to_compiler_p,
1282 suggest_attribute, warn_function_pure, warn_function_const):
1284 (check_call): Improve debug info.
1285 (analyze_function): Do not check availability.
1286 (add_new_function): Check availability.
1287 (propagate): Output warnings.
1288 (skip_function_for_local_pure_const): New function.
1289 (local_pure_const): Use it; output warnings.
1290 * common.opt (Wsuggest-attribute=const,
1291 Wsuggest-attribute=pure): New.
1293 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1295 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1296 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1297 or DW_CFA_def_cfa_offset{,_sf}.
1299 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1301 * tree.h: Fix truncated long macros.
1303 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1305 * collect2.c (TARGET_64BIT): Redefine to target's default.
1306 * tlink.c: Likewise.
1307 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1308 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1309 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1310 for underscoring __USER_LABEL_PREFIX__.
1311 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1312 (SUB_LINK_ENTRY32): New.
1313 (SUB_LINK_ENTRY64): New.
1314 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1315 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1316 (SUB_LINK_ENTRY64): New.
1317 (SUB_LINK_ENTRY): New.
1318 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1319 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1320 x64 target is choosen.
1321 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1322 * configure: Regenerated.
1323 * configure.ac (leading-mingw64-underscores): Option added.
1325 2010-04-27 Jan Hubicka <jh@suse.cz>
1327 * doc/invoke.texi (-fipa-profile): Document.
1328 * opts.c (decode_options): Enable ipa-profile at -O1.
1329 * timevar.def (TV_IPA_PROFILE): Define.
1330 * common.opt (fipa-profile): Add.
1331 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1333 (cgraph_propagate_frequency): Handle only local ones.
1334 * tree-pass.h (pass_ipa_profile): Declare.
1335 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1336 (pass_ipa_profile): Use TV_IPA_PROFILE.
1337 * ipa.c (ipa_profile): New function.
1338 (gate_ipa_profile): Likewise.
1339 (pass_ipa_profile): New global variable.
1340 * passes.c (pass_ipa_profile): New.
1342 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1344 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1346 2010-04-27 Martin Jambor <mjambor@suse.cz>
1349 * ipa.c (dissolve_same_comdat_group_list): New function.
1350 (function_and_variable_visibility): Call
1351 dissolve_same_comdat_group_list when comdat group contains external or
1353 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1354 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1356 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1358 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1359 (const_hash_1) <VECTOR_CST>: New case.
1360 (compare_constant) <VECTOR_CST>: Likewise.
1361 <ADDR_EXPR>: Deal with LABEL_REFs.
1362 (copy_constant) <VECTOR_CST>: New case.
1364 2010-04-27 Jan Hubicka <jh@suse.cz>
1366 * cgraph.c (cgraph_propagate_frequency): New function.
1367 * cgraph.h (cgraph_propagate_frequency): Declare.
1368 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1369 cgraph_propagate_frequency.
1371 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1373 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1375 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1378 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1379 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1380 here to determine which regs to push and how much stack to reserve.
1382 2010-04-27 Jie Zhang <jie@codesourcery.com>
1384 * doc/gimple.texi (gimple_statement_with_ops): Remove
1385 addresses_taken field.
1386 (gimple_statement_with_memory_ops): Likewise.
1388 2010-04-27 Jan Hubicka <jh@suse.cz>
1390 * tree-inline.c (eni_inlining_weights): Remove.
1391 (estimate_num_insns): Special case more builtins.
1393 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1396 * c-typeck.c (build_binary_op): Move forward check for comparison
1397 pointer with null pointer constant and adjust the diagnostic message.
1399 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1402 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1403 binutils supports extended .section directive needed by LTO, or
1404 warn if older binutils found.
1405 (LTO_BINARY_READER): New AC_SUBST'd variable.
1406 (LTO_USE_LIBELF): Likewise.
1407 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1409 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1410 (LTO_USE_LIBELF): Likewise.
1411 * configure: Regenerate.
1413 * collect2.c (is_elf): Rename from this ...
1414 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1415 object files in addition to ELF-formatted ones.
1416 (scan_prog_file): Caller updated. Also allow for LTO info marker
1417 symbol to be prefixed or not by an extra underscore.
1419 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1420 * config/i386/winnt.c: Also #include lto-streamer.h
1421 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1423 (i386_pe_asm_output_aligned_decl_common): Add comment.
1424 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1426 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1429 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1430 Add missing earlyclobber for second alternative.
1432 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1434 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1435 bits for artificial defs at the top of the block.
1436 * fwprop.c (single_def_use_enter_block): Don't call it.
1438 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1441 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1442 instead of "$gcc_cv_objdump -T".
1443 Use "-undefined dynamic_lookup" on darwin.
1444 * gcc/configure: Regenerate.
1446 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1449 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1451 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1453 * c-parser.c (struct c_token): Move location field up.
1454 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1455 (struct c_declspecs): Convert typespec_word, storage_class, and
1456 default_int_p into bitfields.
1457 (struct c_declarator): Move loc field up.
1459 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1461 * cfgloop.h (struct loop): Move can_be_parallel field up.
1462 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1463 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1465 (struct iv_cand): Convert pos field into a bitfield.
1466 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1468 (struct _stmt_vec_info): Shuffle fields for better packing.
1470 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1472 * varasm.c (IN_NAMED_SECTION): Remove guard.
1473 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1474 (IN_NAMED_SECTION_P): ...this.
1475 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1476 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1478 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1480 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1481 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1482 of shadowing it. Fix comments.
1484 2010-04-26 Jan Hubicka <jh@suse.cz>
1486 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1487 (cgraph_clone_node): Copy function frequency.
1488 * cgraph.h (node_frequency): New enum
1489 (struct cgraph_node): Add.
1490 * final.c (rest_of_clean_state): Update.
1491 * lto-cgraph.c (lto_output_node): Output node frequency.
1492 (input_overwrite_node): Input node frequency.
1493 * tre-ssa-loop-ivopts (computation_cost): Update.
1494 * lto-streamer-out.c (output_function): Do not output function
1496 * predict.c (maybe_hot_frequency_p): Update and handle functions
1498 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1500 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1501 (compute_function_frequency): Set noreturn functions to be executed
1503 (choose_function_section): Update.
1504 * lto-streamer-in.c (input_function): Do not input function frequency.
1505 * function.c (allocate_struct_function): Do not initialize function
1507 * function.h (function_frequency): Remove.
1508 (struct function): Remove function frequency.
1509 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1510 (try_update): Update.
1511 * tree-inline.c (initialize_cfun): Do not update function frequency.
1512 * passes.c (pass_init_dump_file): Update.
1513 * i386.c (ix86_compute_frame_layout): Update.
1514 (ix86_pad_returns): Update.
1516 2010-04-26 Jie Zhang <jie@codesourcery.com>
1518 PR tree-optimization/43833
1519 * tree-vrp.c (range_int_cst_p): New.
1520 (range_int_cst_singleton_p): New.
1521 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1522 when both operands are constants. Use range_int_cst_p in
1525 2010-04-26 Jan Hubicka <jh@suse.cz>
1527 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1529 2010-04-26 Richard Guenther <rguenther@suse.de>
1532 * gimple.c (gimple_decl_printable_name): Deal gracefully
1533 with a NULL DECL_NAME.
1535 2010-04-26 Richard Guenther <rguenther@suse.de>
1538 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1539 if emitting debug information and it is either a function
1540 or a namespace decl.
1542 2010-04-26 Ira Rosen <irar@il.ibm.com>
1544 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1545 determine if the statement is vectorizable, and a macro to access it.
1546 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1547 Skip statements that can't be vectorized. If the analysis fails,
1548 mark the statement as unvectorizable if vectorizing basic block.
1549 (vect_compute_data_refs_alignment): Likewise.
1550 (vect_verify_datarefs_alignment): Skip statements marked as
1551 unvectorizable. Add print.
1552 (vect_analyze_group_access): Skip statements that can't be
1553 vectorized. If the analysis fails, mark the statement as
1554 unvectorizable if vectorizing basic block.
1555 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1556 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1557 generated stmts for SLP.
1558 (new_stmt_vec_info): Initialize the new field.
1559 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1560 statements marked as unvectorizable.
1562 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1564 * c-common.c (flag_isoc1x): New.
1565 (flag_isoc99): Update comment.
1566 * c-common.h (flag_isoc1x): New.
1567 (flag_isoc99): Update comment.
1568 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1569 __<type>_DECIMAL_DIG__.
1570 * c-opts.c (set_std_c1x): New.
1571 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1572 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1573 * c.opt (-std=c1x, -std=gnu1x): New options.
1574 * doc/cpp.texi: Mention -std=c1x.
1575 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1576 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1577 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1578 * doc/standards.texi: Mention C1X.
1579 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1580 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1581 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1584 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1586 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1587 placeholder from 0x%x to %#x.
1588 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1589 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1590 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1591 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1592 * config/i386/i386.c (ix86_target_string): Ditto.
1593 (output_pic_addr_const): Ditto.
1594 (print_operand): Ditto.
1596 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1598 * combine.c (find_split_point): Add third argument. Use it
1599 to find nested multiply-accumulate instructions. Adjust calls.
1600 (try_combine): Adjust call to find_split_point.
1602 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1604 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1606 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1608 PR tree-optimization/41442
1609 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1610 (fold_binary_loc): Call it.
1612 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1614 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1615 * opts.c (common_handle_option): Allow disabling it.
1616 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1618 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1620 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1621 between modes if both types are integral.
1623 2010-04-23 Richard Guenther <rguenther@suse.de>
1625 PR tree-optimization/43572
1626 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1628 2010-04-23 Richard Guenther <rguenther@suse.de>
1631 * tree-inline.c (tree_can_inline_p): Also check compatibility
1634 2010-04-23 Martin Jambor <mjambor@suse.cz>
1636 PR tree-optimization/43846
1637 * tree-sra.c (struct access): New flag grp_assignment_read.
1638 (build_accesses_from_assign): Set grp_assignment_read.
1639 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1640 (enum mark_read_status): New type.
1641 (analyze_access_subtree): Propagate grp_assignment_read, create
1642 accesses also if both direct_read and root->grp_assignment_read.
1644 2010-04-23 Martin Jambor <mjambor@suse.cz>
1647 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1648 function does not have type attributes.
1650 2010-04-23 Richard Guenther <rguenther@suse.de>
1653 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1656 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1658 * sese.h (create_if_region_on_edge): Remove.
1660 * sese.c (create_if_region_on_edge): Make static.
1662 * tree-inline.c: Do not include ggc.h.
1664 * expr.c: Do not include ggc.h.
1666 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1669 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1672 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1673 in the middle of insns for casesi_worker_2.
1675 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1677 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1679 2010-04-22 Ira Rosen <irar@il.ibm.com>
1681 PR tree-optimization/43842
1682 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1683 loop unrolling in update of exit phis. Fix comment.
1684 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1685 least two reduction statements in the loop before starting SLP
1688 2010-04-22 Nick Clifton <nickc@redhat.com>
1690 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1692 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1694 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1697 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1699 * tree-parloops.c (loop_parallel_p): New argument
1700 parloop_obstack. Pass it down.
1701 (parallelize_loops): New variable parloop_obstack. Initialize it,
1702 pass it down, free it.
1704 * tree-loop-linear.c (linear_transform_loops): Pass down
1707 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1708 of type struct obstack *.
1710 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1711 scratch_obstack. Initialize it, pass down, free it.
1713 * lambda.h (lambda_loop_new): Remove.
1714 (lambda_matrix_new, lambda_matrix_inverse)
1715 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1716 argument of type struct obstack *.
1718 * lambda-trans.c (lambda_trans_matrix_new): New argument
1719 lambda_obstack. Pass it down, use obstack allocation for ret.
1720 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1723 * lambda-mat.c (lambda_matrix_get_column)
1724 (lambda_matrix_project_to_null): Remove.
1725 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1727 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1730 * lambda-code.c (lambda_loop_new): New function.
1731 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1732 (lambda_compute_auxillary_space, lambda_compute_target_space)
1733 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1734 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1735 (build_access_matrix): New argument lambda_obstack. Use obstack
1737 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1738 argument lambda_obstack. Pass it down.
1740 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1742 * optabs.h (expand_widening_mult): Declare.
1744 2010-04-22 Richard Guenther <rguenther@suse.de>
1746 PR tree-optimization/43845
1747 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1748 lookup the CALL_EXPR function and arguments.
1750 2010-04-22 Nick Clifton <nickc@redhat.com>
1752 * config/stormy16/stormy16.c
1753 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1754 * config/stormy16/stormy16.h: Tidy up formatting.
1755 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1756 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1757 (ineqbranchsi): Delete pattern.
1758 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1759 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1760 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1761 stormy16-lib2-ucmpsi2.c.
1763 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1765 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1766 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1767 extra set merge_set_noclobber, and use it to relax the final test
1769 * df.h (df_simulate_find_noclobber_defs): Declare.
1770 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1772 (df_simulate_find_noclobber_defs): New function.
1774 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1776 * config/i386/i386.md: Use {} around multi-line preparation statements.
1778 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1780 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1781 (process_init_element): New argument of type struct obstack *.
1783 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1784 (set_init_index, set_init_label, set_nonincremental_init)
1785 (set_nonincremental_init_from_string, find_init_member)
1786 (output_init_element, output_pending_init_elements)
1787 (process_init_element): New argument braced_init_obstack. Pass it
1789 (push_range_stack, add_pending_init): New argument
1790 braced_init_obstack. Use obstack allocation.
1792 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1793 braced_init_obstack. Pass it down.
1794 (c_parser_braced_init): New variables ret, braced_init_obstack.
1795 Initialize obstack, pass it down and finally free it.
1797 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1800 * tree-pass.h (pass_optimize_widening_mul): Declare.
1801 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1802 gate_optimize_widening_mul): New static functions.
1803 (pass_optimize_widening_mul): New.
1804 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1805 <case MULT_EXPR>: Remove support for widening multiplies.
1806 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1807 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1808 simplify_gen_unary rather than directly building extensions.
1809 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1811 * expmed.c (expand_widening_mult): New function.
1812 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1814 2010-04-21 Jan Hubicka <jh@suse.cz>
1816 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1817 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1818 * lto-wpa-fixup.c: Remove.
1819 * Makefile.in (lto-wpa-fixup.o): Remove.
1820 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1821 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1822 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1824 2010-04-21 Jan Hubicka <jh@suse.cz>
1826 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1827 add write_optimization_summary, read_optimization_summary.
1828 (ipa_write_summaries_of_cgraph_node_set): Remove.
1829 (ipa_write_optimization_summaries): Declare.
1830 (ipa_read_optimization_summaries): Declare.
1831 * ipa-cp.c (pass_ipa_cp): Update.
1832 * ipa-reference.c (pass_ipa_reference): Update.
1833 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1834 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1836 * ipa-inline.c (pass_ipa_inline): Update.
1837 * ipa.c (pass_ipa_whole_program): Update.
1838 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1839 * passes.c (ipa_write_summaries_1): Do not test wpa.
1840 (ipa_write_optimization_summaries_1): New.
1841 (ipa_write_optimization_summaries): New.
1842 (ipa_read_summaries): Do not test ltrans.
1843 (ipa_read_optimization_summaries_1): New.
1844 (ipa_read_optimization_summaries): New.
1846 2010-04-21 Jan Hubicka <jh@suse.cz>
1848 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1850 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1852 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1855 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1856 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1858 2010-04-21 Jan Hubicka <jh@suse.cz>
1860 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1862 2010-04-21 Jan Hubicka <jh@suse.cz>
1864 * varpool.c (decide_is_variable_needed): Variable is always needed
1867 2010-04-21 Jan Hubicka <jh@suse.cz>
1869 * opts.c (decode_options): Enable pure-const pass for whopr.
1871 2010-04-21 Jan Hubicka <jh@suse.cz>
1873 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1874 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1876 (cgraph_decide_inlining): Do not expect callee to be removed in all
1879 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1881 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1883 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1885 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1886 amdfam10_decode attributes.
1888 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1891 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1892 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1893 (lower_copyprivate_clauses): Use private var in outer
1894 context instead of original var. Make sure the types
1895 are correct for VLAs.
1897 2010-04-21 Richard Guenther <rguenther@suse.de>
1899 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1900 to non-pointer objects.
1902 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1904 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1905 last chain entry if it starts with the still current label.
1906 (add_location_or_const_value_attribute): Check that
1907 loc_list->first->next is NULL instead of comparing ->first with ->last.
1908 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1909 to add_var_loc_to_decl.
1911 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1912 >= 4 add also address size and segment size fields into CIE header.
1914 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1915 long as address size is the same as sizeof (void *) and
1917 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1918 address size or segment size is unexpected, return DW_EH_PE_omit.
1919 (classify_object_over_fdes): If get_cie_encoding returned
1920 DW_EH_PE_omit, return -1.
1921 (init_object): If classify_object_over_fdes returned -1,
1922 pretend there were no FDEs at all.
1924 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1926 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1927 bswap{si,di}2 using SWI48 mode iterator.
1928 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1929 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1930 set modrm attribute of bswap insn to 0 and remove length attribute.
1931 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1932 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1933 set mode attribute to <MODE> and remove length attribute.
1935 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1937 PR rtl-optimization/43520
1938 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1939 zero available registers.
1941 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1943 * builtins.c (fold_builtin_cproj): Fold more cases.
1945 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1947 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1948 (fold_builtin_1): Fold builtin cproj.
1949 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1950 Use ATTR_CONST_NOTHROW_LIST.
1952 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1954 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1955 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1956 ffsi2_no_cmove for !TARGET_CMOVE.
1957 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1958 (ffssi2): Remove expander.
1959 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1961 (ctz<mode>2): Ditto from ctz{si,di}2.
1962 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1964 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1967 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1969 * dwarf2out.c (AT_linkage_name): Define.
1970 (clone_as_declaration): Handle DW_AT_linkage_name.
1971 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1972 of DW_AT_MIPS_linkage_name.
1973 (move_linkage_attr): Likewise.
1974 (dwarf2out_finish): Likewise.
1976 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1979 * fold-const.c (fold_comparison): New folding rule.
1981 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1983 * double-int.h (double_int_setbit): Declare.
1984 * double-int.c (double_int_setbit): New function.
1985 * rtl.h (immed_double_int_const): Declare.
1986 * emit-rtl.c (immed_double_int_const): New function.
1987 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1988 and immed_double_int_const functions.
1989 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1990 expand_copysign_bit): (Ditto.).
1991 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1992 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1993 * dojump.c (prefer_and_bit_test): (Ditto.).
1994 * expr.c (convert_modes, reduce_to_bit_field_precision,
1995 const_vector_from_tree): (Ditto.).
1996 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1998 2010-04-20 Jan Hubicka <jh@suse.cz>
2000 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2001 (dump_cgraph_node): Dump new flags.
2002 * cgraph.h (struct cgraph_node): Add flags
2003 reachable_from_other_partition and in_other_partition.
2004 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2005 other partition can not be removed.
2006 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2007 the other partition must be output; silence sanity checking on
2008 leaking functions bodies from other paritition.
2009 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2010 (lto_output_node): Output new flags; do not sanity check that inline
2011 clones are output; drop lto_forced_extern_inline_p code; do not mock
2012 visibility flags at partition boundaries.
2013 (add_node_to): New function.
2014 (output_cgraph): Use it to sort functions so masters appear before
2016 (input_overwrite_node): Input new flags.
2017 * passes.c (ipa_write_summaries): Do not call
2018 lto_new_extern_inline_states.
2019 * lto-section-out.c (forced_extern_inline,
2020 lto_new_extern_inline_states lto_delete_extern_inline_states,
2021 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2022 * lto-streamer.h (lto_new_extern_inline_states,
2023 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2024 lto_forced_extern_inline_p): Kill.
2026 2010-04-20 Richard Guenther <rguenther@suse.de>
2028 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2029 from vars that can have pointers.
2030 (process_constraint): Dump useless constraints.
2032 2010-04-20 Richard Guenther <rguenther@suse.de>
2034 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2035 (dump_sa_points_to_info): Remove asserts.
2036 (init_base_vars): nothing_id isn't an escape point nor does it
2039 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2041 * tree.h (TYPE_REF_IS_RVALUE): Define.
2042 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2043 should_move_die_to_comdat, prune_unused_types_walk): Handle
2044 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2045 (modified_type_die, gen_reference_type_die): Emit
2046 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2047 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2049 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2052 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2053 calls for -fpic -m31 if they have been sibcall optimized.
2055 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2057 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2058 ar.lc fixed and call-used.
2060 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2062 2010-04-19 Jan Hubicka <jh@suse.cz>
2064 * opts.c (decode_options): Disable whpr incompatible passes.
2065 * lto/lto.c (lto_1_to_1_map): Skip clones.
2066 (read_cgraph_and_symbols): Do not mark everything as needed.
2067 (do_whole_program_analysis): Do map only after optimizing;
2068 set proper cgraph_state; use passmanager.
2070 2010-04-19 DJ Delorie <dj@redhat.com>
2072 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2073 POINTER_PLUS_EXPR and fix them.
2075 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2077 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2078 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2079 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2080 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2081 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2082 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2083 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2084 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2085 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2086 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2087 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2089 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2091 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2092 (check_cond_move_block): Likewise.
2093 (cond_move_process_if_block): Likewise.
2094 (noce_find_if_block): Improve formatting.
2095 (find_if_header): Pass 0 to memset and tweak conditions.
2096 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2098 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2100 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2104 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2105 with non-local decl doesn't need chain.
2107 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2109 * ira-color.c (allocno_reload_assign): Avoid accumulating
2110 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2112 2010-04-19 Martin Jambor <mjambor@suse.cz>
2114 * gimple.h (create_tmp_reg): Declare.
2115 * gimplify.c (create_tmp_reg): New function.
2116 (gimplify_return_expr): Use create_tmp_reg.
2117 (gimplify_omp_atomic): Likewise.
2118 (gimple_regimplify_operands): Likewise.
2119 * tree-dfa.c (make_rename_temp): Likewise.
2120 * tree-predcom.c (predcom_tmp_var): Likewise.
2121 (reassociate_to_the_same_stmt): Likewise.
2122 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2123 (get_replaced_param_substitute): Likewise.
2124 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2125 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2126 * tree-ssa-pre.c (get_representative_for): Likewise.
2127 (create_expression_by_pieces): Likewise.
2128 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2129 (create_tailcall_accumulator): Likewise.
2131 2010-04-19 Martin Jambor <mjambor@suse.cz>
2133 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2135 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2137 2010-04-19 Richard Guenther <rguenther@suse.de>
2139 PR tree-optimization/43796
2140 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2141 from SCEV in the lattice.
2142 (vrp_visit_phi_node): Dump change.
2144 2010-04-19 Richard Guenther <rguenther@suse.de>
2146 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2147 * configure: Re-generated.
2149 2010-04-19 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/43783
2152 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2153 constant ARRAY_REF operands two and three if possible.
2155 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2158 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2160 2010-04-19 Jie Zhang <jie@codesourcery.com>
2163 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2165 2010-04-19 Ira Rosen <irar@il.ibm.com>
2167 PR tree-optimization/37027
2168 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2169 and macro to access it.
2170 (vectorizable_reduction): Add argument.
2171 (vect_get_slp_defs): Likewise.
2172 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2173 statements for possible use in SLP.
2174 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2175 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2176 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2178 (vectorizable_reduction): Likewise.
2179 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2181 (vectorizable_type_demotion, vectorizable_type_promotion,
2182 vectorizable_store): Likewise.
2183 (vect_analyze_stmt): Update call to vectorizable_reduction.
2184 (vect_transform_stmt): Likewise.
2185 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2186 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2187 from different interleaving chains in same node.
2188 (vect_slp_rearrange_stmts): New function.
2189 (vect_supported_load_permutation_p): Allow load permutations for
2190 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2191 inside SLP nodes if necessary.
2192 (vect_analyze_slp_instance): Handle reductions.
2193 (vect_analyze_slp): Try to build SLP instances originating from groups
2195 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2196 (vect_get_constant_vectors): Create initial vectors for reductions
2197 according to reduction code. Add new argument.
2198 (vect_get_slp_defs): Add new argument, pass it to
2199 vect_get_constant_vectors.
2200 (vect_schedule_slp_instance): Remove SLP tree root statements.
2202 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2204 * tree.h (ENUM_IS_SCOPED): Define.
2205 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2206 for ENUM_IS_SCOPED enums.
2208 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2210 * fold-const.c (fold_comparison): Use ssizetype.
2211 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2212 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2213 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2214 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2216 * tree.h (initialize_sizetypes): Remove parameter.
2217 (build_common_tree_nodes): Remove second parameter.
2218 * stor-layout.c (initialize_sizetypes): Remove parameter.
2219 Always create an unsigned type.
2220 (set_sizetype): Assert that the passed type is unsigned and simplify.
2221 * tree.c (build_common_tree_nodes): Remove second parameter.
2222 Adjust call to initialize_sizetypes.
2223 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2224 build_common_tree_nodes.
2226 2010-04-18 Matthias Klose <doko@ubuntu.com>
2228 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2230 2010-04-18 Ira Rosen <irar@il.ibm.com>
2232 PR tree-optimization/43771
2233 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2234 load permutation doesn't have gaps.
2236 2010-04-18 Jan Hubicka <jh@suse.cz>
2238 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2239 (sse_prologue_save_insn expander): Use new pattern.
2240 (sse_prologue_save_insn1): New pattern and splitter.
2241 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2243 * i386.c (setup_incoming_varargs_64): Do not compute jump
2245 (ix86_gimplify_va_arg): Update alignment needed.
2246 (ix86_local_alignment): Do not align all local arrays to 128bit.
2248 2010-04-17 Jan Hubicka <jh@suse.cz>
2250 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2252 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2254 * arm.md (negdi2): Remove redundant code to force values into a
2257 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2259 * arm/bpabi.S: Add EABI alignment attributes to objects.
2260 * arm/bpabi-v6m.S: Likewise.
2261 * arm/crti.asm: Likewise.
2262 * arm/crtn.asm: Likewise.
2263 * arm/lib1funcs.asm: Likewise.
2264 * arm/libunwind.S: Likewise.
2266 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2268 * arm-protos.h (tune_params): New structure.
2269 * arm.c (current_tune): New variable.
2270 (arm_constant_limit): Delete.
2271 (struct processors): Add pointer to the tune parameters.
2272 (arm_slowmul_tune): New tuning option.
2273 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2274 (all_cores): Adjust to pick up the tuning model.
2275 (arm_constant_limit): New function.
2276 (arm_override_options): Select the appropriate tuning model. Delete
2277 initialization of arm_const_limit.
2278 (arm_split_constant): Use the new constant-limit model.
2279 (arm_rtx_costs): Pick up the current tuning model.
2280 * arm.md (is_strongarm, is_xscale): Delete.
2281 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2282 for Xscale variant architectures.
2283 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2285 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2287 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2289 (arm_rtx_costs_1): Remove unused variable extra_cost.
2290 (arm_unwind_emit_set): Use variable offset.
2291 (thumb1_output_casesi): Remove unused variable flags.
2293 2010-04-16 Jeff Law <law@redhat.com>
2295 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2296 needing assignment rather than doing a two-phase assignment. Remove
2297 unused variable 'm'.
2299 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2302 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2304 2010-04-16 Doug Kwan <dougkwan@google.com>
2306 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2307 (next_operand_entry_id): New static variable.
2308 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2309 (add_to_ops_vec): Assigned unique ID to operand entry.
2310 (struct oecount_s): New field ID.
2311 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2312 (undistribute_ops_list): Assign unique IDs to oecounts.
2313 (init_reassoc): reset next_operand_entry_id.
2315 2010-04-16 Doug Kwan <dougkwan@google.com>
2317 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2318 missing left parenthesis.
2320 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2322 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2323 *btdi_rex64 using SWI48 mode iterator.
2324 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2325 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2326 *jcc_btdi_mask_rex64.
2328 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2330 * double-int.h (tree_to_double_int): Convert to macro.
2331 * double-int.c (tree_to_double_int): Remove.
2333 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2336 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2337 with want_address 2 and in case a single element list might be
2338 possible, call it again with want_address 0.
2340 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2342 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2343 case 'W' print operands for HI mode.
2344 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2345 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2346 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2347 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2349 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2351 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2352 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2353 #xx:3 and #xx:4 mode.
2355 * config/h8300/h8300.md (inverted load with HImode dest): Add
2356 support for H8300SX.
2358 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2359 satisfy 'U' constraint.
2361 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2363 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2364 * configure: Regenerate.
2365 * config.in: Regenerate.
2366 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2369 2010-04-16 Richard Guenther <rguenther@suse.de>
2371 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2372 (struct tree_decl_common): ... here.
2373 (DECL_PT_UID): Adjust.
2374 (SET_DECL_PT_UID): Likewise.
2375 (DECL_PT_UID_SET_P): Likewise.
2377 2010-04-16 Richard Guenther <rguenther@suse.de>
2379 PR tree-optimization/43572
2380 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2381 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2382 * tree-flow.h (is_call_clobbered): Remove.
2383 * tree-flow-inline.h (is_call_clobbered): Likewise.
2384 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2385 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2386 (execute_return_slot_opt): Adjust.
2387 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2388 check for call clobbered vars here.
2389 (find_tail_calls): Move tailcall verification to the
2392 2010-04-16 Diego Novillo <dnovillo@google.com>
2394 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2396 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2399 * config/arm/arm.md (cbranchqi4): New pattern.
2400 * config/arm/predicates.md (const0_operand,
2401 cbranchqi4_comparison_operator): New predicates.
2403 2010-04-16 Richard Guenther <rguenther@suse.de>
2405 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2406 (dump_gimple_stmt): Likewise.
2408 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2410 * recog.h (struct recog_data): New field is_operator.
2411 (struct insn_operand_data): New field is_operator.
2412 * recog.c (extract_insn): Set recog_data.is_operator.
2413 * genoutput.c (output_operand_data): Emit code to set the
2415 * reload.c (find_reloads): Use it rather than testing for an
2416 empty constraint string.
2419 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2420 If the previous insn is a cbranchsi4_insn with the same arguments,
2421 omit the compare instruction.
2423 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2424 register, inputs must be low registers and we need a low register
2425 scratch. Handle alternative 2 like alternative 3.
2427 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2429 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2430 don't call get_addr on both. If one expression is a VALUE and
2431 the other a REG, check VALUE's locs if the REG isn't among them.
2433 2010-04-16 Christian Bruel <christian.bruel@st.com>
2435 * config/sh/sh.h (sh_frame_pointer_required): New function.
2436 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2437 (flag_omit_frame_pointer) Set.
2438 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2439 (rounded_frame_size): Adjust size with outgoing_args_size.
2440 (sh_set_return_address): Must return from stack pointer.
2441 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2442 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2443 (ACCUMULATE_OUTGOING_ARGS): Define.
2444 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2445 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2447 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2450 * config/sh/sh.c (sh_legitimize_reload_address): Use
2451 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2452 Remove a unneeded check for offset_base.
2454 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2456 * configure: Regenerated.
2458 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2460 * config/s390/s390.c (s390_call_save_register_used): Switch back
2461 to HARD_REGNO_NREGS.
2463 2010-04-15 Richard Guenther <rguenther@suse.de>
2465 * alias.c (alias_set_subset_of): Handle alias-set zero
2468 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2469 Julian Brown <julian@codesourcery.com>
2471 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2472 alternatives according to use of high and low regs.
2473 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2474 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2475 optimizing for size on Thumb-2.
2477 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2479 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2481 2010-04-15 Richard Guenther <rguenther@suse.de>
2483 * tree-ssa-structalias.c (struct variable_info): Add
2485 (new_var_info): Initialize it.
2486 (dump_constraints): Support printing last added constraints.
2487 (debug_constraints): Adjust.
2488 (dump_constraint_graph): Likewise.
2489 (make_heapvar_for): Check for NULL cfun.
2490 (get_function_part_constraint): New function.
2491 (get_fi_for_callee): Likewise.
2492 (find_func_aliases): Properly implement IPA PTA constraints.
2493 (process_ipa_clobber): New function.
2494 (find_func_clobbers): Likewise.
2495 (insert_into_field_list_sorted): Remove.
2496 (create_function_info_for): Properly allocate vars for IPA mode.
2497 Do not use insert_into_field_list_sorted.
2498 (create_variable_info_for): Properly generate constraints for
2499 global vars in IPA mode.
2500 (dump_solution_for_var): Always dump the solution.
2501 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2502 (find_what_var_points_to): Adjust.
2503 (pt_solution_set): Change.
2504 (pt_solution_ior_into): New function.
2505 (pt_solution_empty_p): Export.
2506 (pt_solution_includes_global): Adjust.
2507 (pt_solution_includes_1): Likewise.
2508 (pt_solutions_intersect_1): Likewise.
2509 (dump_sa_points_to_info): Check some invariants.
2510 (solve_constraints): Move constraint dumping ...
2511 (compute_points_to_sets): ... here.
2512 (ipa_pta_execute): ... and here.
2513 (compute_may_aliases): Do not re-compute points-to info
2514 locally if IPA info is available.
2515 (ipa_escaped_pt): New global var.
2516 (ipa_pta_execute): Properly implement IPA PTA.
2517 * tree-into-ssa.c (dump_decl_set): Support dumping
2518 decls not in referenced-vars.
2519 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2520 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2521 (dump_points_to_solution): Likewise.
2522 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2523 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2524 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2525 (copy_decl_to_var): Copy DECL_PT_UID.
2526 (copy_result_decl_to_var): Likewise.
2527 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2528 (copy_node_stat): Copy it.
2529 * tree.h (DECL_PT_UID): New macro.
2530 (SET_DECL_PT_UID): Likewise.
2531 (DECL_PT_UID_SET_P): Likewise.
2532 (struct tree_decl_minimal): Add pt_uid member.
2533 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2534 (pt_solution_empty_p): Declare.
2535 (pt_solution_set): Adjust.
2536 (ipa_escaped_pt): Declare.
2537 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2538 * gimple-pretty-print.c (pp_points_to_solution): New function.
2539 (dump_gimple_call): Dump call clobber/use information.
2540 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2541 * tree-pass.h (TDF_ALIAS): New dump option.
2542 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2543 * doc/invoke.texi (-fipa-pta): Update documentation.
2545 2010-04-15 Richard Guenther <rguenther@suse.de>
2547 * Makefile.in (OBJS-common): Add gimple-fold.o.
2548 (gimple-fold.o): New rule.
2549 * tree.h (maybe_fold_offset_to_reference,
2550 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2552 * gimple.h: ... here.
2553 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2554 may_propagate_address_into_dereference): Move prototypes ...
2555 * gimple.h: ... here.
2556 * tree-ssa-ccp.c (get_symbol_constant_value,
2557 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2558 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2559 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2560 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2561 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2562 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2563 gimplify_and_update_call_from_tree): Move ...
2564 * gimple-fold.c: ... here. New file.
2565 (ccp_fold_builtin): Rename to ...
2566 (gimple_fold_builtin): ... this.
2567 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2569 2010-04-15 Richard Guenther <rguenther@suse.de>
2571 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2572 fit_double_type, force_fit_type_double, add_double_with_sign,
2573 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2574 lrotate_double, rrotate_double, div_and_round_double): Move ...
2575 * double-int.c: ... here.
2576 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2577 add_double, neg_double, mul_double_with_sign, mul_double,
2578 lshift_double, rshift_double, lrotate_double, rrotate_double,
2579 div_and_round_double): Move prototypes ...
2580 * double-int.h: ... here.
2582 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2585 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2586 matching constraints to ensure inputs match the output.
2588 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2591 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2592 in an input-only operand.
2594 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2596 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2597 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2598 (double_int_negative_p): Convert to static inline function.
2599 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2600 (double_int_negative_p): Remove.
2601 * tree.h (lshift_double, rshift_double):
2602 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2603 * fold-const.c (fold_convert_const_int_from_real,
2604 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2605 (lshift_double): Change type of arith argument to bool.
2606 (rshift_double): Change type of arith argument to bool. Correct
2608 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2610 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2613 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2614 at the start and end of the then/else blocks, and omit them from the
2616 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2617 argument; all callers changed. Pass zero to old_insns_match_p instead.
2618 (flow_find_head_matching_sequence): New function.
2619 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2620 * basic-block.h (flow_find_cross_jump,
2621 flow_find_head_matching_sequence): Declare functions.
2623 2010-04-14 Jason Merrill <jason@redhat.com>
2626 * c-common.c (attribute_takes_identifier_p): New fn.
2627 * c-common.h: Declare it.
2629 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2631 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2633 (*udivmod<mode>4): Ditto.
2635 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2637 * config/i386/i386.md (maxmin_int): Rename code attribute from
2638 maxminiprefix and update all users.
2639 (maxmin_float): Ditto from maxminfprefix.
2640 (logic): Ditto from logicprefix.
2641 (absneg_mnemonic): Ditto from absnegprefix.
2642 * config/i386/mmx.md: Update all users of maxminiprefix,
2643 maxminfprefix and logicprefix for rename.
2644 * config/i386/sse.md: Ditto.
2645 * config/i386/sync.md (sync_<code><mode>): Update for
2648 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2651 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2652 warnings converted to errors.
2654 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2656 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2657 used insn_type variable.
2658 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2659 to avoid set-but-not-used warning.
2661 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2663 * df-core.c (df_ref_debug): Change format string placeholder
2665 * dwarf2asm.c (dw2_asm_output_data_raw,
2666 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2667 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2668 * dwarf2out.c (output_cfi, output_cfi_directive,
2669 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2670 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2672 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2673 * print-rtl.c (print_rtx): Ditto.
2675 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2678 * builtins.c (expand_builtin_pow_root): New function to expand pow
2679 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2680 series of sqrt and cbrt calls under -ffast-math.
2681 (expand_builtin_pow): Call it.
2683 2010-04-14 Michael Matz <matz@suse.de>
2685 PR tree-optimization/42963
2686 * tree-cfg.c (touched_switch_bbs): New static variable.
2687 (group_case_labels_stmt): New function broken out from ...
2688 (group_case_labels): ... here, use the above.
2689 (start_recording_case_labels): Allocate touched_switch_bbs.
2690 (end_recording_case_labels): Deallocate it, call
2691 group_case_labels_stmt.
2692 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2694 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2696 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2699 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2701 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2703 2010-04-13 Jan Hubicka <jh@suse.cz>
2705 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2706 of optimized out static functions.
2707 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2708 cost computation. Also sanity check for overflows.
2709 (update_caller_keys): Update cgraph_edge_badness call; properly
2710 update fibheap and sanity check that it is up to date.
2711 (add_new_edges_to_heap): Update cgraph_edge_badness.
2712 (cgraph_decide_inlining_of_small_function): Likewise;
2713 add sanity checking that badness in heap is up to date;
2714 improve dumping of reason; Update badness of calls to the
2715 offline copy of function currently inlined; dump badness
2716 of functions not inlined because of unit growth limits.
2718 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2721 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2722 because of sign-extension change when converting to sizetype here...
2723 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2725 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2726 the folding to constants. Remove redundant final conversion.
2727 (fold_binary) <associate>: Do not associate if the re-association of
2728 constants alone overflows.
2729 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2730 to the end of the list.
2731 (multiple_of_p) <COND_EXPR>: New case.
2733 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2735 * opt-functions.awk (opt_sanitized_name): New.
2737 * optc-gen.awk: Use it
2738 * opth-gen.awk: Use it.
2740 2010-04-13 Martin Jambor <mjambor@suse.cz>
2742 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2743 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2744 children. Call replace_uses_with_default_def_ssa_name to handle
2747 2010-04-13 Michael Matz <matz@suse.de>
2750 * builtins.c (expand_builtin_interclass_mathfn): Also create
2751 a register if the predicate doesn't match.
2753 2010-04-13 Diego Novillo <dnovillo@google.com>
2755 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2756 * c-pch.c: Include timevar.h.
2757 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2758 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2759 * ggc-common.c: Include timevar.h.
2760 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2761 * timevar.def (TV_PCH_SAVE): Define.
2762 (TV_PCH_CPP_SAVE): Define.
2763 (TV_PCH_PTR_REALLOC): Define.
2764 (TV_PCH_PTR_SORT): Define.
2765 (TV_PCH_RESTORE): Define.
2766 (TV_PCH_CPP_RESTORE): Define.
2768 2010-04-13 Michael Matz <matz@suse.de>
2770 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2772 (can_reassociate_p): New function.
2773 (break_up_subtract_bb, reassociate_bb): Use it.
2775 2010-04-13 Richard Guenther <rguenther@suse.de>
2778 * builtins.c (c_readstr): Fix assert.
2780 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2782 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2783 when generating cltd insn.
2785 (*ashl<mode>3_1): Remove special handling for register operand 2.
2786 (*ashlsi3_1_zext): Ditto.
2787 (*ashlhi3_1): Ditto.
2788 (*ashlhi3_1_lea): Ditto.
2789 (*ashlqi3_1): Ditto.
2790 (*ashlqi3_1_lea): Ditto.
2791 (*<shiftrt_insn><mode>3_1): Ditto.
2792 (*<shiftrt_insn>si3_1_zext): Ditto.
2793 (*<shiftrt_insn>qi3_1_slp): Ditto.
2794 (*<rotate_insn><mode>3_1): Ditto.
2795 (*<rotate_insn>si3_1_zext): Ditto.
2796 (*<rotate_insn>qi3_1_slp): Ditto.
2798 2010-04-13 Richard Guenther <rguenther@suse.de>
2800 * tree-ssa-structalias.c (callused_id): Remove.
2801 (call_stmt_vars): New.
2802 (get_call_vi): Likewise.
2803 (lookup_call_use_vi): Likewise.
2804 (lookup_call_clobber_vi): Likewise.
2805 (get_call_use_vi): Likewise.
2806 (get_call_clobber_vi): Likewise.
2807 (make_transitive_closure_constraints): Likewise.
2808 (handle_const_call): Adjust to do per-call call-used handling.
2809 (handle_pure_call): Likewise.
2810 (find_what_var_points_to): Remove general callused handling.
2811 (init_base_vars): Likewise.
2812 (init_alias_vars): Initialize call_stmt_vars.
2813 (compute_points_to_sets): Process call-used and call-clobbered
2814 vars for call statements.
2815 (delete_points_to_sets): Free call_stmt_vars.
2817 2010-04-13 Richard Guenther <rguenther@suse.de>
2819 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2820 Only add RW dependence for dependence distance zero.
2821 Adjust maximal vectorization factor according to dependences.
2822 Move alignment handling ...
2823 (vect_find_same_alignment_drs): ... here. New function.
2824 (vect_analyze_data_ref_dependences): Adjust.
2825 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2826 (vect_analyze_data_refs): Adjust minimal vectorization factor
2827 according to data references.
2828 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2829 dependences before determining the vectorization factor.
2830 Analyze alignment after determining the vectorization factor.
2831 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2832 dependences before alignment.
2833 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2835 (vect_analyze_data_refs): Likewise.
2836 (MAX_VECTORIZATION_FACTOR): New define.
2838 2010-04-13 Duncan Sands <baldrick@free.fr>
2840 * except.h (lang_eh_type_covers): Remove.
2841 * except.c (lang_eh_type_covers): Likewise.
2843 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2844 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2846 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2847 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2848 UNITS_PER_LONG where it is ABI relevant.
2849 (s390_return_addr_rtx): Likewise.
2850 (s390_back_chain_rtx): Likewise.
2851 (s390_frame_area): Likewise.
2852 (s390_frame_info): Likewise.
2853 (s390_initial_elimination_offset): Likewise.
2854 (save_gprs): Likewise.
2855 (s390_emit_prologue): Likewise.
2856 (s390_emit_epilogue): Likewise.
2857 (s390_function_arg_advance): Likewise.
2858 (s390_function_arg): Likewise.
2859 (s390_va_start): Likewise.
2860 (s390_gimplify_va_arg): Likewise.
2861 (s390_function_profiler): Likewise.
2862 (s390_optimize_prologue): Likewise.
2863 (s390_rtx_costs): Likewise.
2864 (s390_secondary_reload): Likewise.
2865 (s390_promote_function_mode): Likewise.
2866 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2867 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2868 registers available.
2869 (s390_unwind_word_mode): New function.
2870 (s390_function_value): Split 64 bit values into register pair if
2871 used as return value.
2872 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2873 function call parameters. Handle parallels.
2874 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2875 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2876 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2877 (s390_expand_setmem): Remove unused variable src_addr.
2878 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2879 deal with 64 bit registers.
2880 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2881 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2882 (UNITS_PER_LONG): New macro.
2883 * libjava/include/s390-signal.h: Define extended ucontext
2884 structure containing the upper halfs of the 64 bit registers.
2886 2010-04-13 Simon Baldwin <simonb@google.com>
2888 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2890 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2892 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2893 rvalue on the RHS if the LHS is of a non-renamable type.
2894 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2896 2010-04-13 Matthias Klose <doko@ubuntu.com>
2898 * gcc.c (cc1_options): Handle -iplugindir before processing
2899 the cc1 spec. Only add -iplugindir once.
2900 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2902 * common.opt (iplugindir): Remove `Separate' property, initialize.
2903 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2905 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2906 (distclean): Remove plugin dir.
2907 * doc/invoke.texi: Document -iplugindir.
2909 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2911 * doc/plugins.texi (Loading Plugins): Document short
2912 -fplugin=foo option.
2913 (Plugin API): Mention default_plugin_dir_name function.
2915 * gcc.c (find_file_spec_function): Add new declaration.
2916 (static_spec_func): Use it for "find-file".
2917 (find_file_spec_function): Add new function.
2918 (cc1_options): Add -iplugindir option if -fplugin* options found.
2920 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2922 * plugin.c (add_new_plugin): Updated comment, and handle short
2924 (default_plugin_dir_name): Added new function.
2926 * common.opt (iplugindir): New option to set the plugin directory.
2928 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2930 * config/i386/i386.md (any_rotate): New code iterator.
2931 (rotate_insn): New code attribute.
2933 (SWIM124): New mode iterator.
2934 (<rotate_insn>ti3): New expander.
2935 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2936 any_rotate code iterator.
2937 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2938 using any_rotate code iterator and SWIM124 mode iterator.
2939 (ix86_rotlti3): New insn_and_split pattern.
2940 (ix86_rotrti3): Ditto.
2941 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2942 ix86_rotl{di,ti}3 patterns.
2943 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2944 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2945 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2946 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2947 code iterator and SWI mode iterator.
2948 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2949 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2951 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2952 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2953 (bswap rotatert splitter): Add splitter.
2954 (bswap splitter): Macroize splitter using any_rotate code iterator.
2955 Add insn predicate to split only for TARGET_USE_XCHGB or when
2956 optimizing function for size.
2958 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2960 * config/pa/pa.c (emit_move_sequence): Remove use of
2961 deleted variable flag_argument_noalias.
2963 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2965 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2967 Add to unsupported targets list.
2968 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2969 sparc*-sun-solaris2.[567]* from target lists.
2970 * configure: Regenerate.
2971 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2973 Remove Solaris 7 patch references.
2974 (Specific, sparc-sun-solaris2.7): Removed.
2975 (sparc-sun-solaris2*): Update Solaris 7 example.
2976 (sparc64-*-solaris2*): Likewise.
2978 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2980 * config.build (alpha*-dec-osf4*): Remove.
2981 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2982 of obsolete configurations.
2983 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2985 * config/alpha/t-osf4: Renamed to ...
2986 * config/alpha/t-osf5: ... this.
2987 * config/alpha/osf.h: Renamed to ...
2988 * config/alpha/osf5.h: ... this.
2989 Merged old osf5.h contents.
2991 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2992 (EXTRA_SPECS): Removed.
2993 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2994 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2997 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2999 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3001 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3004 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3005 __thiscall convention.
3007 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3009 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3011 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3013 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3015 * function.c (assign_parms_initialize_all): Add unused attribute
3018 2010-04-12 Richard Guenther <rguenther@suse.de>
3020 * gsstruct.def (GSS_CALL): New.
3021 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3022 * gimple.h: Include tree-ssa-alias.h.
3023 (struct gimple_statement_call): New.
3024 (union gimple_statement_struct_d): Add gimple_call member.
3025 (gimple_call_reset_alias_info): Declare.
3026 (gimple_call_use_set): New function.
3027 (gimple_call_clobber_set): Likewise.
3028 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3029 * gimple.c (gimple_call_reset_alias_info): New function.
3030 (gimple_build_call_1): Call it.
3031 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3032 * tree-inline.c (remap_gimple_stmt): Likewise.
3033 (expand_call_inline): Remove callused handling.
3034 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3035 * tree-dfa.c (dump_variable): Likewise.
3036 * tree-parloops.c (parallelize_loops): Likewise.
3037 * tree-ssa.c (init_tree_ssa): Likewise.
3038 (delete_tree_ssa): Likewise.
3039 * tree-flow-inline.h (is_call_used): Remove.
3040 * tree-flow.h (struct gimple_df): Remove callused member.
3041 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3042 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3043 (ref_maybe_used_by_call_p_1): Simplify.
3044 (call_may_clobber_ref_p_1): Likewise.
3045 * tree-ssa-structalias.c (compute_points_to_sets): Set
3046 the call stmt used and clobbered sets.
3047 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3048 (find_tail_calls): Verify the tail call.
3050 2010-04-12 Richard Guenther <rguenther@suse.de>
3052 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3053 single-iteration always-inline inlining.
3054 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3055 (cgraph_decide_inlining): Do not handle always-inline specially.
3056 (try_inline): Remove always-inline cycle detection special case.
3057 Do not recurse on always-inlines.
3058 (cgraph_early_inlining): Do not iterate if not optimizing.
3059 (cgraph_gate_early_inlining): remove.
3060 (pass_early_inline): Run unconditionally.
3061 (gate_cgraph_decide_inlining): New function.
3062 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3063 not inlining or optimizing.
3064 (cgraph_decide_inlining_of_small_functions): Also consider
3065 always-inline functions.
3066 (cgraph_default_inline_p): Return true for nodes which should
3067 disregard inline limits.
3068 (estimate_function_body_sizes): Assume zero size and time for
3069 nodes which are marked as disregarding inline limits.
3070 (cgraph_decide_recursive_inlining): Do not perform recursive
3071 inlining on always-inline nodes.
3073 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3076 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3077 for exprs satisfying handled_component_p.
3079 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3081 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3082 non-constant aggregate elements.
3084 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3085 is a real initialization.
3087 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3090 * c-decl.c (start_function): Move forward check for nested function.
3092 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3094 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3095 * config/sh/sh.c: Include reload.h.
3096 (sh_legitimize_reload_address): New.
3097 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3098 sh_legitimize_reload_address.
3100 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3102 * config/sh/sh.md (*movqi_pop): New insn pattern.
3103 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3105 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3107 * config/i386/i386.md (any_shiftrt): New code iterator.
3108 (shiftrt_insn): New code attribute.
3110 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3111 using any_shiftrt code iterator.
3112 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3113 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3114 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3115 pattern from corresponding peephole2 patterns.
3116 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3117 using any_shiftrt code iterator.
3118 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3119 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3120 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3121 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3122 *{ashr,lshr}<mode>3_cmp_zext.
3123 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3125 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3127 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3129 (*lshr<mode>3_cconly): Ditto.
3131 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3133 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3134 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3135 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3136 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3138 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3139 from corresponding peephole2 patterns.
3140 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3141 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3142 and *lshrdi3_1_rex64 using SWI mode iterator.
3143 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3144 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3145 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3146 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3147 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3148 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3149 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3150 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3151 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3154 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3156 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3157 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3158 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3159 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3161 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3162 from corresponding peephole2 patterns.
3163 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3164 (ashrsi3_cvt): Rename from ashrsi3_31.
3165 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3166 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3167 and x86_64_shift_adj_3 using SWI48 mode iterator.
3168 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3169 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3170 and *ashrdi3_1_rex64 using SWI mode iterator.
3171 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3172 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3173 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3174 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3175 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3176 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3177 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3178 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3179 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3181 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3182 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3183 x86_shift<mode>_adj_3 expanders.
3185 2010-04-10 Wei Guozhi <carrot@google.com>
3188 * config/arm/arm.c (arm_pic_static_addr): New function.
3189 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3191 (arm_output_addr_const_extra): Output expression for new pattern.
3192 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3194 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3196 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3199 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3200 * web.c: Include "insn-config.h" and "recog.h".
3201 (union_match_dups): New function.
3202 (web_main): Call it.
3203 (union_defs): Don't try to recognize match_dups.
3205 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3206 if doing so would replace the entire pattern.
3208 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3212 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3213 and splitter pattern. Change splitter operand 1 predicate to
3216 2010-04-09 Martin Jambor <mjambor@suse.cz>
3218 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3219 lattices are addresses of CONST_DECLs with the same initial value.
3220 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3221 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3223 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3224 Bernd Schmidt <bernds@codesourcery.com>
3226 * loop-invariant.c (replace_uses): New static function.
3227 (move_invariant_reg): Use it to ensure we can replace the uses.
3229 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3231 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3233 (picochip_override_options): Enable section anchors only above -O1.
3234 (picochip_reorg): Fixed a couple of build warnings.
3236 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3238 * configure.ac (plugin -rdynamic test): Log result.
3239 * configure: Regenerate.
3240 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3241 (RDYNAMIC_SPEC): Define.
3242 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3244 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3246 * configure.ac: Determine Sun ld version numbers.
3247 (comdat_group): Restrict GNU ld version checks to gld.
3248 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3249 (enable_comdat): Support --enable-comdat.
3250 * configure: Regenerate.
3251 * doc/install.texi (Configuration): Document --enable-comdat.
3253 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3255 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3256 * config/sol2-gld.h: ... here.
3257 * config.gcc (sparc*-*-solaris2*): Reflect this.
3258 (i[34567]86-*-solaris2*): Use it.
3260 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3262 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3264 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3266 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3269 * diagnostic.c (diagnostic_initialize): Initialize
3270 some_warnings_are_errors.
3271 (diagnostic_finish): New.
3272 (diagnostic_action_after_output): Call it before exiting.
3273 (diagnostic_report_diagnostic): Do not print message here. Set
3274 some_warnings_are_errors.
3275 * diagnostic.h (diagnostic_context): Delete
3276 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3277 (diagnostic_finish): Declare.
3278 * toplev.c (toplev_main): Call it before exit.
3280 2010-04-09 Jason Merrill <jason@redhat.com>
3283 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3284 for incomplete type.
3287 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3288 based on a warning flag.
3290 2010-04-09 Richard Guenther <rguenther@suse.de>
3292 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3294 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3297 * varasm.c (default_assemble_visibility): Wrap vars that are
3298 set, but unused, by targets without GAS.
3299 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3300 Remove set, but unused, vars.
3301 (rs6000_legitimize_tls_address): Likewise.
3302 (altivec_expand_dst_builtin): Likewise.
3303 * config/darwin.c (machopic_classify_symbol): Likewise.
3304 (machopic_indirection_name): Likewise.
3306 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3308 * config/i386/i386.md (DWI): New mode iterator.
3309 (S): New mode attribute.
3310 (shift_operand): Ditto.
3311 (shift_immediate_operand): Ditto.
3312 (ashl_input_operand): Ditto.
3313 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3314 using SDWIM mode iterator.
3315 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3316 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3318 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3319 from corresponding peephole2 patterns.
3320 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3321 and x86_64_shift_adj_1 using SWI48 mode iterator.
3322 (x86_shift<mode>_adj_2): Ditto.
3323 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3324 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3325 using SWI48 mode iterator.
3326 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3327 *ashldi3_cmp_rex64 using SWI mode iterator.
3328 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3329 *ashldi3_cconly_rex64 using SWI mode iterator.
3330 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3331 x86_shift<mode>_adj_{1,2}.
3332 (ix86_split_ashr): Ditto.
3333 (ix86_split_lshr): Ditto.
3335 2010-04-09 Richard Guenther <rguenther@suse.de>
3337 * target.h (builtin_conversion): Pass in input and output types.
3338 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3339 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3340 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3341 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3343 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3345 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3347 2010-04-09 Richard Guenther <rguenther@suse.de>
3350 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3352 2010-04-09 Richard Guenther <rguenther@suse.de>
3354 * tree-vectorizer.h (struct _stmt_vec_info): Document
3355 that vectype is the type of the LHS.
3356 (supportable_widening_operation, supportable_narrowing_operation):
3357 Get both input and output vector types as arguments.
3358 (vect_is_simple_use_1): Declare.
3359 (get_same_sized_vectype): Likewise.
3360 * tree-vect-loop.c (vect_determine_vectorization_factor):
3361 Set STMT_VINFO_VECTYPE to the vector type of the def.
3362 (vectorizable_reduction): Adjust.
3363 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3364 Adjust. Specify the output vector type.
3365 (vect_pattern_recog_1): Adjust.
3366 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3367 (vectorizable_call): Adjust.
3368 (vectorizable_conversion): Likewise.
3369 (vectorizable_operation): Likewise.
3370 (vectorizable_type_demotion): Likewise.
3371 (vectorizable_type_promotion): Likewise.
3372 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3374 (vect_is_simple_use_1): New function.
3375 (supportable_widening_operation): Get both input and output
3377 (supportable_narrowing_operation): Likewise.
3378 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3380 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3382 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3383 __thiscall and _thiscall as predefined macros.
3384 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3385 thiscall attribute handling.
3386 (ix86_comp_type_attributes): Likewise.
3387 (ix86_function_regparm): Likewise.
3388 (ix86_return_pops_args): Likewise.
3389 (init_cumulative_args): Likewise.
3390 (find_drap_reg): Likewise.
3391 (ix86_static_chain): Likewise.
3392 (x86_this_parameter): Likewise.
3393 (x86_output_mi_thunk): Likewise.
3394 (ix86_attribute_table): Add description for thiscall attribute.
3395 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3396 * doc/extend.texi: Add documentation for thiscall.
3398 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3401 * c.opt (Wint-to-pointer-cast): Available in C++.
3402 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3404 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3406 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3407 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3408 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3409 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3410 function type instead. Reorder and simplify checks.
3412 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3414 2010-04-08 Jing Yu <jingyu@google.com>
3415 Zdenek Dvorak <ook@ucw.cz>
3417 PR tree-optimization/42720
3418 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3419 loop unswitch conditions here from ...
3420 (tree_unswitch_single_loop): ... here.
3422 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3424 * tree-if-conv.c: Fix comments and simplify logic.
3426 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
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