1 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
3 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
4 hash_tree, eq_tree): New tree hash table.
5 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
6 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
7 lto_orig_address_remove): Reimplement.
9 2010-04-28 Xinliang David Li <davidxl@google.com>
12 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
13 (compute_uninit_opnds_pos): New function.
14 (is_non_loop_exit_postdominating): New function.
15 (compute_control_dep_chain): New function.
16 (find_pdom): New function.
17 (convert_control_dep_chain_into_preds): New function.
18 (find_predicates): New function.
19 (find_control_equiv_block): New function.
20 (collect_phi_def_edges): New function.
21 (find_def_preds): New function.
22 (find_dom): New function.
23 (dump_predicates): New function.
24 (get_cmp_code): New function.
25 (is_value_included_in): New function.
26 (find_matching_predicate_in_rest_chains): New function.
27 (use_pred_not_overlap_with_undef_path_pred): New function.
28 (is_use_properly_guarded): New function.
29 (normalize_cond_1): New function.
30 (is_and_or_or): New function.
31 (normalize_cond): New function.
32 (is_gcond_subset_of): New function.
33 (is_subset_of_any): New function.
34 (is_or_set_subset_of): New function.
35 (is_and_set_subset_of): New function.
36 (is_norm_cond_subset_of): New function.
37 (is_pred_expr_subset_of): New function.
38 (is_pred_chain_subset_of): New function.
39 (is_included_in): New function.
40 (is_superset_of): New function.
41 (find_uninit_use): New function.
42 (warn_uninitialized_phi): New function.
43 (compute_possibly_undefined_names): New function.
44 (ssa_undefined_value_p): New function.
45 (execute_late_warn_uninitialized): New function.
46 * tree-ssa.c (ssa_undefined_value_p): Removed.
47 (warn_uninit): Changed to extern.
48 (warn_uninitialized_phi): Removed.
49 (warn_uninitialized_vars): Changed to extern.
50 (execute_late_warn_uninitialized): Removed
51 * tree-flow.h: Add new prototypes.
52 * timevar.def: Add new time variable.
53 * Makefile.in: Add new build file.
55 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
57 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
60 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
63 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
65 2010-04-28 Martin Jambor <mjambor@suse.cz>
67 * cgraph.h (struct cgraph_node): New field indirect_calls.
68 (struct cgraph_indirect_call_info): New type.
69 (struct cgraph_edge): Removed field indirect_call. New fields
70 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
71 (cgraph_create_indirect_edge): Declare.
72 (cgraph_make_edge_direct): Likewise.
73 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
74 * ipa-prop.h (struct ipa_param_call_note): Removed.
75 (struct ipa_node_params): Removed field param_calls.
76 (ipa_create_all_structures_for_iinln): Declare.
77 * cgraph.c: Described indirect edges and uids in initial comment.
78 (cgraph_add_edge_to_call_site_hash): New function.
79 (cgraph_edge): Search also among the indirect edges, use
80 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
81 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
82 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
84 (initialize_inline_failed): Assign a reason to indirect edges.
85 (cgraph_create_edge_1): New function.
86 (cgraph_create_edge): Moved some functionality to
88 (cgraph_create_indirect_edge): New function.
89 (cgraph_edge_remove_callee): Add an assert checking for
91 (cgraph_edge_remove_caller): Special-case indirect edges.
92 (cgraph_remove_edge): Likewise.
93 (cgraph_set_edge_callee): New function.
94 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
95 (cgraph_make_edge_direct): New function.
96 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
97 the declaration of the call statement matches.
98 (cgraph_node_remove_callees): Special-case indirect edges.
99 (cgraph_clone_edge): Likewise.
100 (cgraph_clone_node): Clone also the indirect edges.
101 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
102 indirect_call, dump count of indirect_calls edges.
103 * ipa-prop.c (iinlining_processed_edges): New variable.
104 (ipa_note_param_call): Create indirect edges instead of
105 creating notes. New parameter node.
106 (ipa_analyze_call_uses): New parameter node, pass it on to
108 (ipa_analyze_stmt_uses): Likewise.
109 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
110 (print_edge_addition_message): Work on edges rather than on notes.
111 (update_call_notes_after_inlining): Likewise, renamed to
112 update_indirect_edges_after_inlining.
113 (ipa_create_all_structures_for_iinln): New function.
114 (ipa_free_node_params_substructures): Do not free notes.
115 (ipa_edge_duplication_hook): Propagate bits within
116 iinlining_processed_edges bitmap.
117 (ipa_node_duplication_hook): Do not duplicate notes.
118 (free_all_ipa_structures_after_ipa_cp): Renamed to
119 ipa_free_all_structures_after_ipa_cp.
120 (free_all_ipa_structures_after_iinln): Renamed to
121 ipa_free_all_structures_after_iinln.g
122 (ipa_write_param_call_note): Removed.
123 (ipa_read_param_call_note): Removed.
124 (ipa_write_indirect_edge_info): New function.
125 (ipa_read_indirect_edge_info): Likewise.
126 (ipa_write_node_info): Do not stream notes, do stream information
128 (ipa_read_node_info): Likewise.
129 (lto_ipa_fixup_call_notes): Removed.
130 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
131 * ipa-inline.c (pass_ipa_inline): Likewise.
132 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
133 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
134 * tree-inline.c (copy_bb): Removed an unnecessary double check for
136 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
138 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
139 (output_cgraph): Stream also indirect edges.
140 (lto_output_edge): Added capability to stream indirect edges.
141 (input_edge): Likewise.
142 (input_cgraph_1): Likewise.
144 2010-04-28 Richard Guenther <rguenther@suse.de>
146 PR tree-optimization/43879
147 PR tree-optimization/43909
148 * tree-ssa-structalias.c (struct variable_info): Add
149 only_restrict_pointers flag.
150 (new_var_info): Initialize it. Increment stats.total_vars here.
151 (create_function_info_for): Do not increment stats.total_vars
153 (get_function_part_constraint): Fix build with C++.
154 (insert_into_field_list): Remove.
155 (push_fields_onto_fieldstack): Properly merge fields.
156 (create_variable_info_for): Split and simplify.
157 (create_variable_info_for_1): New piece.
158 (intra_create_variable_infos): Properly make restrict constraints
161 2010-04-28 Richard Guenther <rguenther@suse.de>
164 * tree-inline.c (copy_bind_expr): Also copy bind expr vars
167 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
168 Jan Hubicka <hubicka@ucw.cz>
170 * doc/invoke.texi (-Wsuggest-attribute=const,
171 -Wsuggest-attribute=pure): Document.
172 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
173 (function_always_visible_to_compiler_p,
174 suggest_attribute, warn_function_pure, warn_function_const):
176 (check_call): Improve debug info.
177 (analyze_function): Do not check availability.
178 (add_new_function): Check availability.
179 (propagate): Output warnings.
180 (skip_function_for_local_pure_const): New function.
181 (local_pure_const): Use it; output warnings.
182 * common.opt (Wsuggest-attribute=const,
183 Wsuggest-attribute=pure): New.
185 2010-04-27 Jakub Jelinek <jakub@redhat.com>
187 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
188 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
189 or DW_CFA_def_cfa_offset{,_sf}.
191 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
193 * tree.h: Fix truncated long macros.
195 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
197 * collect2.c (TARGET_64BIT): Redefine to target's default.
199 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
200 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
201 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
202 for underscoring __USER_LABEL_PREFIX__.
203 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
204 (SUB_LINK_ENTRY32): New.
205 (SUB_LINK_ENTRY64): New.
206 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
207 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
208 (SUB_LINK_ENTRY64): New.
209 (SUB_LINK_ENTRY): New.
210 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
211 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
212 x64 target is choosen.
213 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
214 * configure: Regenerated.
215 * configure.ac (leading-mingw64-underscores): Option added.
217 2010-04-27 Jan Hubicka <jh@suse.cz>
219 * doc/invoke.texi (-fipa-profile): Document.
220 * opts.c (decode_options): Enable ipa-profile at -O1.
221 * timevar.def (TV_IPA_PROFILE): Define.
222 * common.opt (fipa-profile): Add.
223 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
225 (cgraph_propagate_frequency): Handle only local ones.
226 * tree-pass.h (pass_ipa_profile): Declare.
227 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
228 (pass_ipa_profile): Use TV_IPA_PROFILE.
229 * ipa.c (ipa_profile): New function.
230 (gate_ipa_profile): Likewise.
231 (pass_ipa_profile): New global variable.
232 * passes.c (pass_ipa_profile): New.
234 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
236 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
238 2010-04-27 Martin Jambor <mjambor@suse.cz>
241 * ipa.c (dissolve_same_comdat_group_list): New function.
242 (function_and_variable_visibility): Call
243 dissolve_same_comdat_group_list when comdat group contains external or
245 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
246 lists are circular and that they contain only DECL_ONE_ONLY nodes.
248 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
250 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
251 (const_hash_1) <VECTOR_CST>: New case.
252 (compare_constant) <VECTOR_CST>: Likewise.
253 <ADDR_EXPR>: Deal with LABEL_REFs.
254 (copy_constant) <VECTOR_CST>: New case.
256 2010-04-27 Jan Hubicka <jh@suse.cz>
258 * cgraph.c (cgraph_propagate_frequency): New function.
259 * cgraph.h (cgraph_propagate_frequency): Declare.
260 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
261 cgraph_propagate_frequency.
263 2010-04-27 Jakub Jelinek <jakub@redhat.com>
265 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
267 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
270 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
271 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
272 here to determine which regs to push and how much stack to reserve.
274 2010-04-27 Jie Zhang <jie@codesourcery.com>
276 * doc/gimple.texi (gimple_statement_with_ops): Remove
277 addresses_taken field.
278 (gimple_statement_with_memory_ops): Likewise.
280 2010-04-27 Jan Hubicka <jh@suse.cz>
282 * tree-inline.c (eni_inlining_weights): Remove.
283 (estimate_num_insns): Special case more builtins.
285 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
288 * c-typeck.c (build_binary_op): Move forward check for comparison
289 pointer with null pointer constant and adjust the diagnostic message.
291 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
294 * configure.ac (gcc_cv_as_section_has_align): Set if installed
295 binutils supports extended .section directive needed by LTO, or
296 warn if older binutils found.
297 (LTO_BINARY_READER): New AC_SUBST'd variable.
298 (LTO_USE_LIBELF): Likewise.
299 * gcc/config.gcc (lto_binary_reader): New target-specific configure
301 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
302 (LTO_USE_LIBELF): Likewise.
303 * configure: Regenerate.
305 * collect2.c (is_elf): Rename from this ...
306 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
307 object files in addition to ELF-formatted ones.
308 (scan_prog_file): Caller updated. Also allow for LTO info marker
309 symbol to be prefixed or not by an extra underscore.
311 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
312 * config/i386/winnt.c: Also #include lto-streamer.h
313 (i386_pe_asm_named_section): Specify 1-byte section alignment for
315 (i386_pe_asm_output_aligned_decl_common): Add comment.
316 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
318 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
321 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
322 Add missing earlyclobber for second alternative.
324 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
326 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
327 bits for artificial defs at the top of the block.
328 * fwprop.c (single_def_use_enter_block): Don't call it.
330 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
333 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
334 instead of "$gcc_cv_objdump -T".
335 Use "-undefined dynamic_lookup" on darwin.
336 * gcc/configure: Regenerate.
338 2010-04-26 Jakub Jelinek <jakub@redhat.com>
341 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
343 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
345 * c-parser.c (struct c_token): Move location field up.
346 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
347 (struct c_declspecs): Convert typespec_word, storage_class, and
348 default_int_p into bitfields.
349 (struct c_declarator): Move loc field up.
351 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
353 * cfgloop.h (struct loop): Move can_be_parallel field up.
354 * ipa-prop.h (struct ip_node_params): Move bitfields up.
355 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
357 (struct iv_cand): Convert pos field into a bitfield.
358 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
360 (struct _stmt_vec_info): Shuffle fields for better packing.
362 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
364 * varasm.c (IN_NAMED_SECTION): Remove guard.
365 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
366 (IN_NAMED_SECTION_P): ...this.
367 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
368 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
370 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
372 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
373 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
374 of shadowing it. Fix comments.
376 2010-04-26 Jan Hubicka <jh@suse.cz>
378 * cgraph.c (cgraph_create_node): Set node frequency to normal.
379 (cgraph_clone_node): Copy function frequency.
380 * cgraph.h (node_frequency): New enum
381 (struct cgraph_node): Add.
382 * final.c (rest_of_clean_state): Update.
383 * lto-cgraph.c (lto_output_node): Output node frequency.
384 (input_overwrite_node): Input node frequency.
385 * tre-ssa-loop-ivopts (computation_cost): Update.
386 * lto-streamer-out.c (output_function): Do not output function
388 * predict.c (maybe_hot_frequency_p): Update and handle functions
390 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
392 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
393 (compute_function_frequency): Set noreturn functions to be executed
395 (choose_function_section): Update.
396 * lto-streamer-in.c (input_function): Do not input function frequency.
397 * function.c (allocate_struct_function): Do not initialize function
399 * function.h (function_frequency): Remove.
400 (struct function): Remove function frequency.
401 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
402 (try_update): Update.
403 * tree-inline.c (initialize_cfun): Do not update function frequency.
404 * passes.c (pass_init_dump_file): Update.
405 * i386.c (ix86_compute_frame_layout): Update.
406 (ix86_pad_returns): Update.
408 2010-04-26 Jie Zhang <jie@codesourcery.com>
410 PR tree-optimization/43833
411 * tree-vrp.c (range_int_cst_p): New.
412 (range_int_cst_singleton_p): New.
413 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
414 when both operands are constants. Use range_int_cst_p in
417 2010-04-26 Jan Hubicka <jh@suse.cz>
419 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
421 2010-04-26 Richard Guenther <rguenther@suse.de>
424 * gimple.c (gimple_decl_printable_name): Deal gracefully
425 with a NULL DECL_NAME.
427 2010-04-26 Richard Guenther <rguenther@suse.de>
430 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
431 if emitting debug information and it is either a function
434 2010-04-26 Ira Rosen <irar@il.ibm.com>
436 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
437 determine if the statement is vectorizable, and a macro to access it.
438 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
439 Skip statements that can't be vectorized. If the analysis fails,
440 mark the statement as unvectorizable if vectorizing basic block.
441 (vect_compute_data_refs_alignment): Likewise.
442 (vect_verify_datarefs_alignment): Skip statements marked as
443 unvectorizable. Add print.
444 (vect_analyze_group_access): Skip statements that can't be
445 vectorized. If the analysis fails, mark the statement as
446 unvectorizable if vectorizing basic block.
447 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
448 * tree-vect-stmts.c (vectorizable_store): Fix the number of
449 generated stmts for SLP.
450 (new_stmt_vec_info): Initialize the new field.
451 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
452 statements marked as unvectorizable.
454 2010-04-25 Joseph Myers <joseph@codesourcery.com>
456 * c-common.c (flag_isoc1x): New.
457 (flag_isoc99): Update comment.
458 * c-common.h (flag_isoc1x): New.
459 (flag_isoc99): Update comment.
460 * c-cppbuiltin.c (builtin_define_float_constants): Also define
461 __<type>_DECIMAL_DIG__.
462 * c-opts.c (set_std_c1x): New.
463 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
464 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
465 * c.opt (-std=c1x, -std=gnu1x): New options.
466 * doc/cpp.texi: Mention -std=c1x.
467 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
468 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
469 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
470 * doc/standards.texi: Mention C1X.
471 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
472 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
473 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
476 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
478 * config/i386/gmon-sol2.c (_mcleanup): Change format string
479 placeholder from 0x%x to %#x.
480 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
481 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
482 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
483 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
484 * config/i386/i386.c (ix86_target_string): Ditto.
485 (output_pic_addr_const): Ditto.
486 (print_operand): Ditto.
488 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
490 * combine.c (find_split_point): Add third argument. Use it
491 to find nested multiply-accumulate instructions. Adjust calls.
492 (try_combine): Adjust call to find_split_point.
494 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
496 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
498 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
500 PR tree-optimization/41442
501 * fold-const.c (merge_truthop_with_opposite_arm): New function.
502 (fold_binary_loc): Call it.
504 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
506 * toplev.c (general_init): Set default for fdiagnostics-show-option.
507 * opts.c (common_handle_option): Allow disabling it.
508 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
510 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
512 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
513 between modes if both types are integral.
515 2010-04-23 Richard Guenther <rguenther@suse.de>
517 PR tree-optimization/43572
518 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
520 2010-04-23 Richard Guenther <rguenther@suse.de>
523 * tree-inline.c (tree_can_inline_p): Also check compatibility
526 2010-04-23 Martin Jambor <mjambor@suse.cz>
528 PR tree-optimization/43846
529 * tree-sra.c (struct access): New flag grp_assignment_read.
530 (build_accesses_from_assign): Set grp_assignment_read.
531 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
532 (enum mark_read_status): New type.
533 (analyze_access_subtree): Propagate grp_assignment_read, create
534 accesses also if both direct_read and root->grp_assignment_read.
536 2010-04-23 Martin Jambor <mjambor@suse.cz>
539 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
540 function does not have type attributes.
542 2010-04-23 Richard Guenther <rguenther@suse.de>
545 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
548 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
550 * sese.h (create_if_region_on_edge): Remove.
552 * sese.c (create_if_region_on_edge): Make static.
554 * tree-inline.c: Do not include ggc.h.
556 * expr.c: Do not include ggc.h.
558 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
561 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
564 * config/sh/sh.c (find_barrier): Don't emit a constant pool
565 in the middle of insns for casesi_worker_2.
567 2010-04-22 David Edelsohn <edelsohn@gnu.org>
569 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
571 2010-04-22 Ira Rosen <irar@il.ibm.com>
573 PR tree-optimization/43842
574 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
575 loop unrolling in update of exit phis. Fix comment.
576 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
577 least two reduction statements in the loop before starting SLP
580 2010-04-22 Nick Clifton <nickc@redhat.com>
582 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
584 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
586 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
589 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
591 * tree-parloops.c (loop_parallel_p): New argument
592 parloop_obstack. Pass it down.
593 (parallelize_loops): New variable parloop_obstack. Initialize it,
594 pass it down, free it.
596 * tree-loop-linear.c (linear_transform_loops): Pass down
599 * tree-data-ref.h (lambda_compute_access_matrices): New argument
600 of type struct obstack *.
602 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
603 scratch_obstack. Initialize it, pass down, free it.
605 * lambda.h (lambda_loop_new): Remove.
606 (lambda_matrix_new, lambda_matrix_inverse)
607 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
608 argument of type struct obstack *.
610 * lambda-trans.c (lambda_trans_matrix_new): New argument
611 lambda_obstack. Pass it down, use obstack allocation for ret.
612 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
615 * lambda-mat.c (lambda_matrix_get_column)
616 (lambda_matrix_project_to_null): Remove.
617 (lambda_matrix_new): New argument lambda_obstack. Use obstack
619 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
622 * lambda-code.c (lambda_loop_new): New function.
623 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
624 (lambda_compute_auxillary_space, lambda_compute_target_space)
625 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
626 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
627 (build_access_matrix): New argument lambda_obstack. Use obstack
629 (lambda_compute_step_signs, lambda_compute_access_matrices): New
630 argument lambda_obstack. Pass it down.
632 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
634 * optabs.h (expand_widening_mult): Declare.
636 2010-04-22 Richard Guenther <rguenther@suse.de>
638 PR tree-optimization/43845
639 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
640 lookup the CALL_EXPR function and arguments.
642 2010-04-22 Nick Clifton <nickc@redhat.com>
644 * config/stormy16/stormy16.c
645 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
646 * config/stormy16/stormy16.h: Tidy up formatting.
647 (DONT_USE_BUILTIN_SETJMP): Remove definition.
648 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
649 (ineqbranchsi): Delete pattern.
650 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
651 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
652 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
653 stormy16-lib2-ucmpsi2.c.
655 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
657 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
658 df_simulate_find_noclobber_defs as appropriate. Keep track of an
659 extra set merge_set_noclobber, and use it to relax the final test
661 * df.h (df_simulate_find_noclobber_defs): Declare.
662 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
664 (df_simulate_find_noclobber_defs): New function.
666 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
668 * config/i386/i386.md: Use {} around multi-line preparation statements.
670 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
672 * c-tree.h (push_init_level, pop_init_level, set_init_index)
673 (process_init_element): New argument of type struct obstack *.
675 * c-typeck.c (push_init_level, pop_init_level, set_designator)
676 (set_init_index, set_init_label, set_nonincremental_init)
677 (set_nonincremental_init_from_string, find_init_member)
678 (output_init_element, output_pending_init_elements)
679 (process_init_element): New argument braced_init_obstack. Pass it
681 (push_range_stack, add_pending_init): New argument
682 braced_init_obstack. Use obstack allocation.
684 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
685 braced_init_obstack. Pass it down.
686 (c_parser_braced_init): New variables ret, braced_init_obstack.
687 Initialize obstack, pass it down and finally free it.
689 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
692 * tree-pass.h (pass_optimize_widening_mul): Declare.
693 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
694 gate_optimize_widening_mul): New static functions.
695 (pass_optimize_widening_mul): New.
696 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
697 <case MULT_EXPR>: Remove support for widening multiplies.
698 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
699 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
700 simplify_gen_unary rather than directly building extensions.
701 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
703 * expmed.c (expand_widening_mult): New function.
704 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
706 2010-04-21 Jan Hubicka <jh@suse.cz>
708 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
709 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
710 * lto-wpa-fixup.c: Remove.
711 * Makefile.in (lto-wpa-fixup.o): Remove.
712 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
713 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
714 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
716 2010-04-21 Jan Hubicka <jh@suse.cz>
718 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
719 add write_optimization_summary, read_optimization_summary.
720 (ipa_write_summaries_of_cgraph_node_set): Remove.
721 (ipa_write_optimization_summaries): Declare.
722 (ipa_read_optimization_summaries): Declare.
723 * ipa-cp.c (pass_ipa_cp): Update.
724 * ipa-reference.c (pass_ipa_reference): Update.
725 * ipa-pure-const.c (pass_ipa_pure_const): Update.
726 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
728 * ipa-inline.c (pass_ipa_inline): Update.
729 * ipa.c (pass_ipa_whole_program): Update.
730 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
731 * passes.c (ipa_write_summaries_1): Do not test wpa.
732 (ipa_write_optimization_summaries_1): New.
733 (ipa_write_optimization_summaries): New.
734 (ipa_read_summaries): Do not test ltrans.
735 (ipa_read_optimization_summaries_1): New.
736 (ipa_read_optimization_summaries): New.
738 2010-04-21 Jan Hubicka <jh@suse.cz>
740 * lto-cgraph.c (lto_output_node): Do not output comdat groups
742 (output_cgraph): Do not arrange comdat groups for boundary nodes.
744 2010-04-21 Jakub Jelinek <jakub@redhat.com>
747 * dwarf2out.c (add_name_and_src_coords_attributes): Add
748 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
750 2010-04-21 Jan Hubicka <jh@suse.cz>
752 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
754 2010-04-21 Jan Hubicka <jh@suse.cz>
756 * varpool.c (decide_is_variable_needed): Variable is always needed
759 2010-04-21 Jan Hubicka <jh@suse.cz>
761 * opts.c (decode_options): Enable pure-const pass for whopr.
763 2010-04-21 Jan Hubicka <jh@suse.cz>
765 * cgraph.c (dump_cgraph_node): Dump also assembler name.
766 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
768 (cgraph_decide_inlining): Do not expect callee to be removed in all
771 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
773 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
775 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
777 * config/i386/i386.md (x86_shrd): Add athlon_decode and
778 amdfam10_decode attributes.
780 2010-04-21 Jakub Jelinek <jakub@redhat.com>
783 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
784 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
785 (lower_copyprivate_clauses): Use private var in outer
786 context instead of original var. Make sure the types
787 are correct for VLAs.
789 2010-04-21 Richard Guenther <rguenther@suse.de>
791 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
792 to non-pointer objects.
794 2010-04-21 Jakub Jelinek <jakub@redhat.com>
796 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
797 last chain entry if it starts with the still current label.
798 (add_location_or_const_value_attribute): Check that
799 loc_list->first->next is NULL instead of comparing ->first with ->last.
800 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
801 to add_var_loc_to_decl.
803 * dwarf2out.c (output_call_frame_info): For dw_cie_version
804 >= 4 add also address size and segment size fields into CIE header.
806 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
807 long as address size is the same as sizeof (void *) and
809 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
810 address size or segment size is unexpected, return DW_EH_PE_omit.
811 (classify_object_over_fdes): If get_cie_encoding returned
812 DW_EH_PE_omit, return -1.
813 (init_object): If classify_object_over_fdes returned -1,
814 pretend there were no FDEs at all.
816 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
818 * config/i386/i386.md (bswap<mode>2): Macroize expander from
819 bswap{si,di}2 using SWI48 mode iterator.
820 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
821 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
822 set modrm attribute of bswap insn to 0 and remove length attribute.
823 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
824 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
825 set mode attribute to <MODE> and remove length attribute.
827 2010-04-20 James E. Wilson <wilson@codesourcery.com>
829 PR rtl-optimization/43520
830 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
831 zero available registers.
833 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
835 * builtins.c (fold_builtin_cproj): Fold more cases.
837 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
839 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
840 (fold_builtin_1): Fold builtin cproj.
841 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
842 Use ATTR_CONST_NOTHROW_LIST.
844 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
846 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
847 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
848 ffsi2_no_cmove for !TARGET_CMOVE.
849 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
850 (ffssi2): Remove expander.
851 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
853 (ctz<mode>2): Ditto from ctz{si,di}2.
854 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
856 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
859 2010-04-20 Jakub Jelinek <jakub@redhat.com>
861 * dwarf2out.c (AT_linkage_name): Define.
862 (clone_as_declaration): Handle DW_AT_linkage_name.
863 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
864 of DW_AT_MIPS_linkage_name.
865 (move_linkage_attr): Likewise.
866 (dwarf2out_finish): Likewise.
868 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
871 * fold-const.c (fold_comparison): New folding rule.
873 2010-04-20 Anatoly Sokolov <aesok@post.ru>
875 * double-int.h (double_int_setbit): Declare.
876 * double-int.c (double_int_setbit): New function.
877 * rtl.h (immed_double_int_const): Declare.
878 * emit-rtl.c (immed_double_int_const): New function.
879 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
880 and immed_double_int_const functions.
881 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
882 expand_copysign_bit): (Ditto.).
883 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
884 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
885 * dojump.c (prefer_and_bit_test): (Ditto.).
886 * expr.c (convert_modes, reduce_to_bit_field_precision,
887 const_vector_from_tree): (Ditto.).
888 * expmed.c (mask_rtx, lshift_value): (Ditto.).
890 2010-04-20 Jan Hubicka <jh@suse.cz>
892 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
893 (dump_cgraph_node): Dump new flags.
894 * cgraph.h (struct cgraph_node): Add flags
895 reachable_from_other_partition and in_other_partition.
896 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
897 other partition can not be removed.
898 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
899 the other partition must be output; silence sanity checking on
900 leaking functions bodies from other paritition.
901 * lto-cgraph.c (reachable_from_other_partition_p): New function.
902 (lto_output_node): Output new flags; do not sanity check that inline
903 clones are output; drop lto_forced_extern_inline_p code; do not mock
904 visibility flags at partition boundaries.
905 (add_node_to): New function.
906 (output_cgraph): Use it to sort functions so masters appear before
908 (input_overwrite_node): Input new flags.
909 * passes.c (ipa_write_summaries): Do not call
910 lto_new_extern_inline_states.
911 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
912 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
913 lto_forced_extern_inline_p): Kill.
914 * lto-streamer.h (lto_new_extern_inline_states,
915 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
916 lto_forced_extern_inline_p): Kill.
918 2010-04-20 Richard Guenther <rguenther@suse.de>
920 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
921 from vars that can have pointers.
922 (process_constraint): Dump useless constraints.
924 2010-04-20 Richard Guenther <rguenther@suse.de>
926 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
927 (dump_sa_points_to_info): Remove asserts.
928 (init_base_vars): nothing_id isn't an escape point nor does it
931 2010-04-20 Jakub Jelinek <jakub@redhat.com>
933 * tree.h (TYPE_REF_IS_RVALUE): Define.
934 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
935 should_move_die_to_comdat, prune_unused_types_walk): Handle
936 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
937 (modified_type_die, gen_reference_type_die): Emit
938 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
939 if TYPE_REF_IS_RVALUE and -gdwarf-4.
941 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
944 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
945 calls for -fpic -m31 if they have been sibcall optimized.
947 2010-04-19 James E. Wilson <wilson@codesourcery.com>
949 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
950 ar.lc fixed and call-used.
952 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
954 2010-04-19 Jan Hubicka <jh@suse.cz>
956 * opts.c (decode_options): Disable whpr incompatible passes.
957 * lto/lto.c (lto_1_to_1_map): Skip clones.
958 (read_cgraph_and_symbols): Do not mark everything as needed.
959 (do_whole_program_analysis): Do map only after optimizing;
960 set proper cgraph_state; use passmanager.
962 2010-04-19 DJ Delorie <dj@redhat.com>
964 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
965 POINTER_PLUS_EXPR and fix them.
967 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
969 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
970 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
971 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
972 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
973 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
974 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
975 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
976 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
977 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
978 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
979 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
981 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
983 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
984 (check_cond_move_block): Likewise.
985 (cond_move_process_if_block): Likewise.
986 (noce_find_if_block): Improve formatting.
987 (find_if_header): Pass 0 to memset and tweak conditions.
988 (cond_exec_find_if_block): Fix long lines and tweak conditions.
990 2010-04-19 Jakub Jelinek <jakub@redhat.com>
992 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
996 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
997 with non-local decl doesn't need chain.
999 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1001 * ira-color.c (allocno_reload_assign): Avoid accumulating
1002 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1004 2010-04-19 Martin Jambor <mjambor@suse.cz>
1006 * gimple.h (create_tmp_reg): Declare.
1007 * gimplify.c (create_tmp_reg): New function.
1008 (gimplify_return_expr): Use create_tmp_reg.
1009 (gimplify_omp_atomic): Likewise.
1010 (gimple_regimplify_operands): Likewise.
1011 * tree-dfa.c (make_rename_temp): Likewise.
1012 * tree-predcom.c (predcom_tmp_var): Likewise.
1013 (reassociate_to_the_same_stmt): Likewise.
1014 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1015 (get_replaced_param_substitute): Likewise.
1016 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1017 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1018 * tree-ssa-pre.c (get_representative_for): Likewise.
1019 (create_expression_by_pieces): Likewise.
1020 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1021 (create_tailcall_accumulator): Likewise.
1023 2010-04-19 Martin Jambor <mjambor@suse.cz>
1025 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1027 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1029 2010-04-19 Richard Guenther <rguenther@suse.de>
1031 PR tree-optimization/43796
1032 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1033 from SCEV in the lattice.
1034 (vrp_visit_phi_node): Dump change.
1036 2010-04-19 Richard Guenther <rguenther@suse.de>
1038 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1039 * configure: Re-generated.
1041 2010-04-19 Richard Guenther <rguenther@suse.de>
1043 PR tree-optimization/43783
1044 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1045 constant ARRAY_REF operands two and three if possible.
1047 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1050 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1052 2010-04-19 Jie Zhang <jie@codesourcery.com>
1055 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1057 2010-04-19 Ira Rosen <irar@il.ibm.com>
1059 PR tree-optimization/37027
1060 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1061 and macro to access it.
1062 (vectorizable_reduction): Add argument.
1063 (vect_get_slp_defs): Likewise.
1064 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1065 statements for possible use in SLP.
1066 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1067 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1068 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1070 (vectorizable_reduction): Likewise.
1071 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1073 (vectorizable_type_demotion, vectorizable_type_promotion,
1074 vectorizable_store): Likewise.
1075 (vect_analyze_stmt): Update call to vectorizable_reduction.
1076 (vect_transform_stmt): Likewise.
1077 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1078 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1079 from different interleaving chains in same node.
1080 (vect_slp_rearrange_stmts): New function.
1081 (vect_supported_load_permutation_p): Allow load permutations for
1082 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1083 inside SLP nodes if necessary.
1084 (vect_analyze_slp_instance): Handle reductions.
1085 (vect_analyze_slp): Try to build SLP instances originating from groups
1087 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1088 (vect_get_constant_vectors): Create initial vectors for reductions
1089 according to reduction code. Add new argument.
1090 (vect_get_slp_defs): Add new argument, pass it to
1091 vect_get_constant_vectors.
1092 (vect_schedule_slp_instance): Remove SLP tree root statements.
1094 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1096 * tree.h (ENUM_IS_SCOPED): Define.
1097 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1098 for ENUM_IS_SCOPED enums.
1100 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1102 * fold-const.c (fold_comparison): Use ssizetype.
1103 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1104 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1105 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1106 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1108 * tree.h (initialize_sizetypes): Remove parameter.
1109 (build_common_tree_nodes): Remove second parameter.
1110 * stor-layout.c (initialize_sizetypes): Remove parameter.
1111 Always create an unsigned type.
1112 (set_sizetype): Assert that the passed type is unsigned and simplify.
1113 * tree.c (build_common_tree_nodes): Remove second parameter.
1114 Adjust call to initialize_sizetypes.
1115 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1116 build_common_tree_nodes.
1118 2010-04-18 Matthias Klose <doko@ubuntu.com>
1120 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1122 2010-04-18 Ira Rosen <irar@il.ibm.com>
1124 PR tree-optimization/43771
1125 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1126 load permutation doesn't have gaps.
1128 2010-04-18 Jan Hubicka <jh@suse.cz>
1130 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1131 (sse_prologue_save_insn expander): Use new pattern.
1132 (sse_prologue_save_insn1): New pattern and splitter.
1133 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1135 * i386.c (setup_incoming_varargs_64): Do not compute jump
1137 (ix86_gimplify_va_arg): Update alignment needed.
1138 (ix86_local_alignment): Do not align all local arrays to 128bit.
1140 2010-04-17 Jan Hubicka <jh@suse.cz>
1142 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1144 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1146 * arm.md (negdi2): Remove redundant code to force values into a
1149 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1151 * arm/bpabi.S: Add EABI alignment attributes to objects.
1152 * arm/bpabi-v6m.S: Likewise.
1153 * arm/crti.asm: Likewise.
1154 * arm/crtn.asm: Likewise.
1155 * arm/lib1funcs.asm: Likewise.
1156 * arm/libunwind.S: Likewise.
1158 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1160 * arm-protos.h (tune_params): New structure.
1161 * arm.c (current_tune): New variable.
1162 (arm_constant_limit): Delete.
1163 (struct processors): Add pointer to the tune parameters.
1164 (arm_slowmul_tune): New tuning option.
1165 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1166 (all_cores): Adjust to pick up the tuning model.
1167 (arm_constant_limit): New function.
1168 (arm_override_options): Select the appropriate tuning model. Delete
1169 initialization of arm_const_limit.
1170 (arm_split_constant): Use the new constant-limit model.
1171 (arm_rtx_costs): Pick up the current tuning model.
1172 * arm.md (is_strongarm, is_xscale): Delete.
1173 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1174 for Xscale variant architectures.
1175 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1177 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1179 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1181 (arm_rtx_costs_1): Remove unused variable extra_cost.
1182 (arm_unwind_emit_set): Use variable offset.
1183 (thumb1_output_casesi): Remove unused variable flags.
1185 2010-04-16 Jeff Law <law@redhat.com>
1187 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1188 needing assignment rather than doing a two-phase assignment. Remove
1189 unused variable 'm'.
1191 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1194 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1196 2010-04-16 Doug Kwan <dougkwan@google.com>
1198 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1199 (next_operand_entry_id): New static variable.
1200 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1201 (add_to_ops_vec): Assigned unique ID to operand entry.
1202 (struct oecount_s): New field ID.
1203 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1204 (undistribute_ops_list): Assign unique IDs to oecounts.
1205 (init_reassoc): reset next_operand_entry_id.
1207 2010-04-16 Doug Kwan <dougkwan@google.com>
1209 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1210 missing left parenthesis.
1212 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1214 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1215 *btdi_rex64 using SWI48 mode iterator.
1216 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1217 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1218 *jcc_btdi_mask_rex64.
1220 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1222 * double-int.h (tree_to_double_int): Convert to macro.
1223 * double-int.c (tree_to_double_int): Remove.
1225 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1228 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1229 with want_address 2 and in case a single element list might be
1230 possible, call it again with want_address 0.
1232 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1234 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1235 case 'W' print operands for HI mode.
1236 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1237 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1238 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1239 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1241 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1243 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1244 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1245 #xx:3 and #xx:4 mode.
1247 * config/h8300/h8300.md (inverted load with HImode dest): Add
1248 support for H8300SX.
1250 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1251 satisfy 'U' constraint.
1253 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1255 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1256 * configure: Regenerate.
1257 * config.in: Regenerate.
1258 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1261 2010-04-16 Richard Guenther <rguenther@suse.de>
1263 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1264 (struct tree_decl_common): ... here.
1265 (DECL_PT_UID): Adjust.
1266 (SET_DECL_PT_UID): Likewise.
1267 (DECL_PT_UID_SET_P): Likewise.
1269 2010-04-16 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/43572
1272 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1273 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1274 * tree-flow.h (is_call_clobbered): Remove.
1275 * tree-flow-inline.h (is_call_clobbered): Likewise.
1276 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1277 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1278 (execute_return_slot_opt): Adjust.
1279 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1280 check for call clobbered vars here.
1281 (find_tail_calls): Move tailcall verification to the
1284 2010-04-16 Diego Novillo <dnovillo@google.com>
1286 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1288 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1291 * config/arm/arm.md (cbranchqi4): New pattern.
1292 * config/arm/predicates.md (const0_operand,
1293 cbranchqi4_comparison_operator): New predicates.
1295 2010-04-16 Richard Guenther <rguenther@suse.de>
1297 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1298 (dump_gimple_stmt): Likewise.
1300 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1302 * recog.h (struct recog_data): New field is_operator.
1303 (struct insn_operand_data): New field is_operator.
1304 * recog.c (extract_insn): Set recog_data.is_operator.
1305 * genoutput.c (output_operand_data): Emit code to set the
1307 * reload.c (find_reloads): Use it rather than testing for an
1308 empty constraint string.
1311 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1312 If the previous insn is a cbranchsi4_insn with the same arguments,
1313 omit the compare instruction.
1315 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1316 register, inputs must be low registers and we need a low register
1317 scratch. Handle alternative 2 like alternative 3.
1319 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1321 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1322 don't call get_addr on both. If one expression is a VALUE and
1323 the other a REG, check VALUE's locs if the REG isn't among them.
1325 2010-04-16 Christian Bruel <christian.bruel@st.com>
1327 * config/sh/sh.h (sh_frame_pointer_required): New function.
1328 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1329 (flag_omit_frame_pointer) Set.
1330 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1331 (rounded_frame_size): Adjust size with outgoing_args_size.
1332 (sh_set_return_address): Must return from stack pointer.
1333 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1334 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1335 (ACCUMULATE_OUTGOING_ARGS): Define.
1336 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1337 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1339 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1342 * config/sh/sh.c (sh_legitimize_reload_address): Use
1343 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1344 Remove a unneeded check for offset_base.
1346 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1348 * configure: Regenerated.
1350 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1352 * config/s390/s390.c (s390_call_save_register_used): Switch back
1353 to HARD_REGNO_NREGS.
1355 2010-04-15 Richard Guenther <rguenther@suse.de>
1357 * alias.c (alias_set_subset_of): Handle alias-set zero
1360 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1361 Julian Brown <julian@codesourcery.com>
1363 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1364 alternatives according to use of high and low regs.
1365 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1366 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1367 optimizing for size on Thumb-2.
1369 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1371 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1373 2010-04-15 Richard Guenther <rguenther@suse.de>
1375 * tree-ssa-structalias.c (struct variable_info): Add
1377 (new_var_info): Initialize it.
1378 (dump_constraints): Support printing last added constraints.
1379 (debug_constraints): Adjust.
1380 (dump_constraint_graph): Likewise.
1381 (make_heapvar_for): Check for NULL cfun.
1382 (get_function_part_constraint): New function.
1383 (get_fi_for_callee): Likewise.
1384 (find_func_aliases): Properly implement IPA PTA constraints.
1385 (process_ipa_clobber): New function.
1386 (find_func_clobbers): Likewise.
1387 (insert_into_field_list_sorted): Remove.
1388 (create_function_info_for): Properly allocate vars for IPA mode.
1389 Do not use insert_into_field_list_sorted.
1390 (create_variable_info_for): Properly generate constraints for
1391 global vars in IPA mode.
1392 (dump_solution_for_var): Always dump the solution.
1393 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1394 (find_what_var_points_to): Adjust.
1395 (pt_solution_set): Change.
1396 (pt_solution_ior_into): New function.
1397 (pt_solution_empty_p): Export.
1398 (pt_solution_includes_global): Adjust.
1399 (pt_solution_includes_1): Likewise.
1400 (pt_solutions_intersect_1): Likewise.
1401 (dump_sa_points_to_info): Check some invariants.
1402 (solve_constraints): Move constraint dumping ...
1403 (compute_points_to_sets): ... here.
1404 (ipa_pta_execute): ... and here.
1405 (compute_may_aliases): Do not re-compute points-to info
1406 locally if IPA info is available.
1407 (ipa_escaped_pt): New global var.
1408 (ipa_pta_execute): Properly implement IPA PTA.
1409 * tree-into-ssa.c (dump_decl_set): Support dumping
1410 decls not in referenced-vars.
1411 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1412 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1413 (dump_points_to_solution): Likewise.
1414 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1415 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1416 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1417 (copy_decl_to_var): Copy DECL_PT_UID.
1418 (copy_result_decl_to_var): Likewise.
1419 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1420 (copy_node_stat): Copy it.
1421 * tree.h (DECL_PT_UID): New macro.
1422 (SET_DECL_PT_UID): Likewise.
1423 (DECL_PT_UID_SET_P): Likewise.
1424 (struct tree_decl_minimal): Add pt_uid member.
1425 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1426 (pt_solution_empty_p): Declare.
1427 (pt_solution_set): Adjust.
1428 (ipa_escaped_pt): Declare.
1429 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1430 * gimple-pretty-print.c (pp_points_to_solution): New function.
1431 (dump_gimple_call): Dump call clobber/use information.
1432 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1433 * tree-pass.h (TDF_ALIAS): New dump option.
1434 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1435 * doc/invoke.texi (-fipa-pta): Update documentation.
1437 2010-04-15 Richard Guenther <rguenther@suse.de>
1439 * Makefile.in (OBJS-common): Add gimple-fold.o.
1440 (gimple-fold.o): New rule.
1441 * tree.h (maybe_fold_offset_to_reference,
1442 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1444 * gimple.h: ... here.
1445 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1446 may_propagate_address_into_dereference): Move prototypes ...
1447 * gimple.h: ... here.
1448 * tree-ssa-ccp.c (get_symbol_constant_value,
1449 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1450 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1451 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1452 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1453 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1454 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1455 gimplify_and_update_call_from_tree): Move ...
1456 * gimple-fold.c: ... here. New file.
1457 (ccp_fold_builtin): Rename to ...
1458 (gimple_fold_builtin): ... this.
1459 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1461 2010-04-15 Richard Guenther <rguenther@suse.de>
1463 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1464 fit_double_type, force_fit_type_double, add_double_with_sign,
1465 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1466 lrotate_double, rrotate_double, div_and_round_double): Move ...
1467 * double-int.c: ... here.
1468 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1469 add_double, neg_double, mul_double_with_sign, mul_double,
1470 lshift_double, rshift_double, lrotate_double, rrotate_double,
1471 div_and_round_double): Move prototypes ...
1472 * double-int.h: ... here.
1474 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1477 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1478 matching constraints to ensure inputs match the output.
1480 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1483 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1484 in an input-only operand.
1486 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1488 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1489 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1490 (double_int_negative_p): Convert to static inline function.
1491 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1492 (double_int_negative_p): Remove.
1493 * tree.h (lshift_double, rshift_double):
1494 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1495 * fold-const.c (fold_convert_const_int_from_real,
1496 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1497 (lshift_double): Change type of arith argument to bool.
1498 (rshift_double): Change type of arith argument to bool. Correct
1500 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1502 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1505 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1506 at the start and end of the then/else blocks, and omit them from the
1508 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1509 argument; all callers changed. Pass zero to old_insns_match_p instead.
1510 (flow_find_head_matching_sequence): New function.
1511 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1512 * basic-block.h (flow_find_cross_jump,
1513 flow_find_head_matching_sequence): Declare functions.
1515 2010-04-14 Jason Merrill <jason@redhat.com>
1518 * c-common.c (attribute_takes_identifier_p): New fn.
1519 * c-common.h: Declare it.
1521 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1523 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1525 (*udivmod<mode>4): Ditto.
1527 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1529 * config/i386/i386.md (maxmin_int): Rename code attribute from
1530 maxminiprefix and update all users.
1531 (maxmin_float): Ditto from maxminfprefix.
1532 (logic): Ditto from logicprefix.
1533 (absneg_mnemonic): Ditto from absnegprefix.
1534 * config/i386/mmx.md: Update all users of maxminiprefix,
1535 maxminfprefix and logicprefix for rename.
1536 * config/i386/sse.md: Ditto.
1537 * config/i386/sync.md (sync_<code><mode>): Update for
1540 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1543 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1544 warnings converted to errors.
1546 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1548 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1549 used insn_type variable.
1550 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1551 to avoid set-but-not-used warning.
1553 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1555 * df-core.c (df_ref_debug): Change format string placeholder
1557 * dwarf2asm.c (dw2_asm_output_data_raw,
1558 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1559 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1560 * dwarf2out.c (output_cfi, output_cfi_directive,
1561 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1562 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1564 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1565 * print-rtl.c (print_rtx): Ditto.
1567 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1570 * builtins.c (expand_builtin_pow_root): New function to expand pow
1571 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1572 series of sqrt and cbrt calls under -ffast-math.
1573 (expand_builtin_pow): Call it.
1575 2010-04-14 Michael Matz <matz@suse.de>
1577 PR tree-optimization/42963
1578 * tree-cfg.c (touched_switch_bbs): New static variable.
1579 (group_case_labels_stmt): New function broken out from ...
1580 (group_case_labels): ... here, use the above.
1581 (start_recording_case_labels): Allocate touched_switch_bbs.
1582 (end_recording_case_labels): Deallocate it, call
1583 group_case_labels_stmt.
1584 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1586 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1588 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1591 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1593 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1595 2010-04-13 Jan Hubicka <jh@suse.cz>
1597 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1598 of optimized out static functions.
1599 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1600 cost computation. Also sanity check for overflows.
1601 (update_caller_keys): Update cgraph_edge_badness call; properly
1602 update fibheap and sanity check that it is up to date.
1603 (add_new_edges_to_heap): Update cgraph_edge_badness.
1604 (cgraph_decide_inlining_of_small_function): Likewise;
1605 add sanity checking that badness in heap is up to date;
1606 improve dumping of reason; Update badness of calls to the
1607 offline copy of function currently inlined; dump badness
1608 of functions not inlined because of unit growth limits.
1610 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1613 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1614 because of sign-extension change when converting to sizetype here...
1615 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1617 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1618 the folding to constants. Remove redundant final conversion.
1619 (fold_binary) <associate>: Do not associate if the re-association of
1620 constants alone overflows.
1621 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1622 to the end of the list.
1623 (multiple_of_p) <COND_EXPR>: New case.
1625 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1627 * opt-functions.awk (opt_sanitized_name): New.
1629 * optc-gen.awk: Use it
1630 * opth-gen.awk: Use it.
1632 2010-04-13 Martin Jambor <mjambor@suse.cz>
1634 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1635 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1636 children. Call replace_uses_with_default_def_ssa_name to handle
1639 2010-04-13 Michael Matz <matz@suse.de>
1642 * builtins.c (expand_builtin_interclass_mathfn): Also create
1643 a register if the predicate doesn't match.
1645 2010-04-13 Diego Novillo <dnovillo@google.com>
1647 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1648 * c-pch.c: Include timevar.h.
1649 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1650 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1651 * ggc-common.c: Include timevar.h.
1652 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1653 * timevar.def (TV_PCH_SAVE): Define.
1654 (TV_PCH_CPP_SAVE): Define.
1655 (TV_PCH_PTR_REALLOC): Define.
1656 (TV_PCH_PTR_SORT): Define.
1657 (TV_PCH_RESTORE): Define.
1658 (TV_PCH_CPP_RESTORE): Define.
1660 2010-04-13 Michael Matz <matz@suse.de>
1662 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1664 (can_reassociate_p): New function.
1665 (break_up_subtract_bb, reassociate_bb): Use it.
1667 2010-04-13 Richard Guenther <rguenther@suse.de>
1670 * builtins.c (c_readstr): Fix assert.
1672 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1674 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1675 when generating cltd insn.
1677 (*ashl<mode>3_1): Remove special handling for register operand 2.
1678 (*ashlsi3_1_zext): Ditto.
1679 (*ashlhi3_1): Ditto.
1680 (*ashlhi3_1_lea): Ditto.
1681 (*ashlqi3_1): Ditto.
1682 (*ashlqi3_1_lea): Ditto.
1683 (*<shiftrt_insn><mode>3_1): Ditto.
1684 (*<shiftrt_insn>si3_1_zext): Ditto.
1685 (*<shiftrt_insn>qi3_1_slp): Ditto.
1686 (*<rotate_insn><mode>3_1): Ditto.
1687 (*<rotate_insn>si3_1_zext): Ditto.
1688 (*<rotate_insn>qi3_1_slp): Ditto.
1690 2010-04-13 Richard Guenther <rguenther@suse.de>
1692 * tree-ssa-structalias.c (callused_id): Remove.
1693 (call_stmt_vars): New.
1694 (get_call_vi): Likewise.
1695 (lookup_call_use_vi): Likewise.
1696 (lookup_call_clobber_vi): Likewise.
1697 (get_call_use_vi): Likewise.
1698 (get_call_clobber_vi): Likewise.
1699 (make_transitive_closure_constraints): Likewise.
1700 (handle_const_call): Adjust to do per-call call-used handling.
1701 (handle_pure_call): Likewise.
1702 (find_what_var_points_to): Remove general callused handling.
1703 (init_base_vars): Likewise.
1704 (init_alias_vars): Initialize call_stmt_vars.
1705 (compute_points_to_sets): Process call-used and call-clobbered
1706 vars for call statements.
1707 (delete_points_to_sets): Free call_stmt_vars.
1709 2010-04-13 Richard Guenther <rguenther@suse.de>
1711 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1712 Only add RW dependence for dependence distance zero.
1713 Adjust maximal vectorization factor according to dependences.
1714 Move alignment handling ...
1715 (vect_find_same_alignment_drs): ... here. New function.
1716 (vect_analyze_data_ref_dependences): Adjust.
1717 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1718 (vect_analyze_data_refs): Adjust minimal vectorization factor
1719 according to data references.
1720 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1721 dependences before determining the vectorization factor.
1722 Analyze alignment after determining the vectorization factor.
1723 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1724 dependences before alignment.
1725 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1727 (vect_analyze_data_refs): Likewise.
1728 (MAX_VECTORIZATION_FACTOR): New define.
1730 2010-04-13 Duncan Sands <baldrick@free.fr>
1732 * except.h (lang_eh_type_covers): Remove.
1733 * except.c (lang_eh_type_covers): Likewise.
1735 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1736 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1738 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1739 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1740 UNITS_PER_LONG where it is ABI relevant.
1741 (s390_return_addr_rtx): Likewise.
1742 (s390_back_chain_rtx): Likewise.
1743 (s390_frame_area): Likewise.
1744 (s390_frame_info): Likewise.
1745 (s390_initial_elimination_offset): Likewise.
1746 (save_gprs): Likewise.
1747 (s390_emit_prologue): Likewise.
1748 (s390_emit_epilogue): Likewise.
1749 (s390_function_arg_advance): Likewise.
1750 (s390_function_arg): Likewise.
1751 (s390_va_start): Likewise.
1752 (s390_gimplify_va_arg): Likewise.
1753 (s390_function_profiler): Likewise.
1754 (s390_optimize_prologue): Likewise.
1755 (s390_rtx_costs): Likewise.
1756 (s390_secondary_reload): Likewise.
1757 (s390_promote_function_mode): Likewise.
1758 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1759 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1760 registers available.
1761 (s390_unwind_word_mode): New function.
1762 (s390_function_value): Split 64 bit values into register pair if
1763 used as return value.
1764 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1765 function call parameters. Handle parallels.
1766 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1767 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1768 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1769 (s390_expand_setmem): Remove unused variable src_addr.
1770 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1771 deal with 64 bit registers.
1772 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1773 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1774 (UNITS_PER_LONG): New macro.
1775 * libjava/include/s390-signal.h: Define extended ucontext
1776 structure containing the upper halfs of the 64 bit registers.
1778 2010-04-13 Simon Baldwin <simonb@google.com>
1780 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1782 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1784 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1785 rvalue on the RHS if the LHS is of a non-renamable type.
1786 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1788 2010-04-13 Matthias Klose <doko@ubuntu.com>
1790 * gcc.c (cc1_options): Handle -iplugindir before processing
1791 the cc1 spec. Only add -iplugindir once.
1792 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1794 * common.opt (iplugindir): Remove `Separate' property, initialize.
1795 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1797 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1798 (distclean): Remove plugin dir.
1799 * doc/invoke.texi: Document -iplugindir.
1801 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1803 * doc/plugins.texi (Loading Plugins): Document short
1804 -fplugin=foo option.
1805 (Plugin API): Mention default_plugin_dir_name function.
1807 * gcc.c (find_file_spec_function): Add new declaration.
1808 (static_spec_func): Use it for "find-file".
1809 (find_file_spec_function): Add new function.
1810 (cc1_options): Add -iplugindir option if -fplugin* options found.
1812 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1814 * plugin.c (add_new_plugin): Updated comment, and handle short
1816 (default_plugin_dir_name): Added new function.
1818 * common.opt (iplugindir): New option to set the plugin directory.
1820 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1822 * config/i386/i386.md (any_rotate): New code iterator.
1823 (rotate_insn): New code attribute.
1825 (SWIM124): New mode iterator.
1826 (<rotate_insn>ti3): New expander.
1827 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1828 any_rotate code iterator.
1829 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1830 using any_rotate code iterator and SWIM124 mode iterator.
1831 (ix86_rotlti3): New insn_and_split pattern.
1832 (ix86_rotrti3): Ditto.
1833 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1834 ix86_rotl{di,ti}3 patterns.
1835 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1836 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1837 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1838 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1839 code iterator and SWI mode iterator.
1840 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1841 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1843 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1844 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1845 (bswap rotatert splitter): Add splitter.
1846 (bswap splitter): Macroize splitter using any_rotate code iterator.
1847 Add insn predicate to split only for TARGET_USE_XCHGB or when
1848 optimizing function for size.
1850 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1852 * config/pa/pa.c (emit_move_sequence): Remove use of
1853 deleted variable flag_argument_noalias.
1855 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1857 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1859 Add to unsupported targets list.
1860 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1861 sparc*-sun-solaris2.[567]* from target lists.
1862 * configure: Regenerate.
1863 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1865 Remove Solaris 7 patch references.
1866 (Specific, sparc-sun-solaris2.7): Removed.
1867 (sparc-sun-solaris2*): Update Solaris 7 example.
1868 (sparc64-*-solaris2*): Likewise.
1870 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1872 * config.build (alpha*-dec-osf4*): Remove.
1873 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1874 of obsolete configurations.
1875 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1877 * config/alpha/t-osf4: Renamed to ...
1878 * config/alpha/t-osf5: ... this.
1879 * config/alpha/osf.h: Renamed to ...
1880 * config/alpha/osf5.h: ... this.
1881 Merged old osf5.h contents.
1883 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1884 (EXTRA_SPECS): Removed.
1885 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1886 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1889 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1891 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1893 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1896 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1897 __thiscall convention.
1899 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1901 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1903 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1905 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1907 * function.c (assign_parms_initialize_all): Add unused attribute
1910 2010-04-12 Richard Guenther <rguenther@suse.de>
1912 * gsstruct.def (GSS_CALL): New.
1913 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1914 * gimple.h: Include tree-ssa-alias.h.
1915 (struct gimple_statement_call): New.
1916 (union gimple_statement_struct_d): Add gimple_call member.
1917 (gimple_call_reset_alias_info): Declare.
1918 (gimple_call_use_set): New function.
1919 (gimple_call_clobber_set): Likewise.
1920 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1921 * gimple.c (gimple_call_reset_alias_info): New function.
1922 (gimple_build_call_1): Call it.
1923 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1924 * tree-inline.c (remap_gimple_stmt): Likewise.
1925 (expand_call_inline): Remove callused handling.
1926 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1927 * tree-dfa.c (dump_variable): Likewise.
1928 * tree-parloops.c (parallelize_loops): Likewise.
1929 * tree-ssa.c (init_tree_ssa): Likewise.
1930 (delete_tree_ssa): Likewise.
1931 * tree-flow-inline.h (is_call_used): Remove.
1932 * tree-flow.h (struct gimple_df): Remove callused member.
1933 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1934 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1935 (ref_maybe_used_by_call_p_1): Simplify.
1936 (call_may_clobber_ref_p_1): Likewise.
1937 * tree-ssa-structalias.c (compute_points_to_sets): Set
1938 the call stmt used and clobbered sets.
1939 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1940 (find_tail_calls): Verify the tail call.
1942 2010-04-12 Richard Guenther <rguenther@suse.de>
1944 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1945 single-iteration always-inline inlining.
1946 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1947 (cgraph_decide_inlining): Do not handle always-inline specially.
1948 (try_inline): Remove always-inline cycle detection special case.
1949 Do not recurse on always-inlines.
1950 (cgraph_early_inlining): Do not iterate if not optimizing.
1951 (cgraph_gate_early_inlining): remove.
1952 (pass_early_inline): Run unconditionally.
1953 (gate_cgraph_decide_inlining): New function.
1954 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1955 not inlining or optimizing.
1956 (cgraph_decide_inlining_of_small_functions): Also consider
1957 always-inline functions.
1958 (cgraph_default_inline_p): Return true for nodes which should
1959 disregard inline limits.
1960 (estimate_function_body_sizes): Assume zero size and time for
1961 nodes which are marked as disregarding inline limits.
1962 (cgraph_decide_recursive_inlining): Do not perform recursive
1963 inlining on always-inline nodes.
1965 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1968 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1969 for exprs satisfying handled_component_p.
1971 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1973 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1974 non-constant aggregate elements.
1976 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1977 is a real initialization.
1979 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1982 * c-decl.c (start_function): Move forward check for nested function.
1984 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1986 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1987 * config/sh/sh.c: Include reload.h.
1988 (sh_legitimize_reload_address): New.
1989 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1990 sh_legitimize_reload_address.
1992 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1994 * config/sh/sh.md (*movqi_pop): New insn pattern.
1995 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1997 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1999 * config/i386/i386.md (any_shiftrt): New code iterator.
2000 (shiftrt_insn): New code attribute.
2002 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2003 using any_shiftrt code iterator.
2004 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2005 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2006 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2007 pattern from corresponding peephole2 patterns.
2008 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2009 using any_shiftrt code iterator.
2010 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2011 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2012 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2013 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2014 *{ashr,lshr}<mode>3_cmp_zext.
2015 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2017 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2019 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2021 (*lshr<mode>3_cconly): Ditto.
2023 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2025 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2026 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2027 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2028 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2030 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2031 from corresponding peephole2 patterns.
2032 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2033 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2034 and *lshrdi3_1_rex64 using SWI mode iterator.
2035 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2036 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2037 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2038 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2039 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2040 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2041 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2042 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2043 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2046 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2048 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2049 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2050 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2051 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2053 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2054 from corresponding peephole2 patterns.
2055 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2056 (ashrsi3_cvt): Rename from ashrsi3_31.
2057 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2058 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2059 and x86_64_shift_adj_3 using SWI48 mode iterator.
2060 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2061 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2062 and *ashrdi3_1_rex64 using SWI mode iterator.
2063 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2064 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2065 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2066 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2067 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2068 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2069 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2070 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2071 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2073 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2074 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2075 x86_shift<mode>_adj_3 expanders.
2077 2010-04-10 Wei Guozhi <carrot@google.com>
2080 * config/arm/arm.c (arm_pic_static_addr): New function.
2081 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2083 (arm_output_addr_const_extra): Output expression for new pattern.
2084 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2086 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2088 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2091 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2092 * web.c: Include "insn-config.h" and "recog.h".
2093 (union_match_dups): New function.
2094 (web_main): Call it.
2095 (union_defs): Don't try to recognize match_dups.
2097 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2098 if doing so would replace the entire pattern.
2100 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2104 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2105 and splitter pattern. Change splitter operand 1 predicate to
2108 2010-04-09 Martin Jambor <mjambor@suse.cz>
2110 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2111 lattices are addresses of CONST_DECLs with the same initial value.
2112 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2113 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2115 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2116 Bernd Schmidt <bernds@codesourcery.com>
2118 * loop-invariant.c (replace_uses): New static function.
2119 (move_invariant_reg): Use it to ensure we can replace the uses.
2121 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2123 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2125 (picochip_override_options): Enable section anchors only above -O1.
2126 (picochip_reorg): Fixed a couple of build warnings.
2128 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2130 * configure.ac (plugin -rdynamic test): Log result.
2131 * configure: Regenerate.
2132 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2133 (RDYNAMIC_SPEC): Define.
2134 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2136 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2138 * configure.ac: Determine Sun ld version numbers.
2139 (comdat_group): Restrict GNU ld version checks to gld.
2140 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2141 (enable_comdat): Support --enable-comdat.
2142 * configure: Regenerate.
2143 * doc/install.texi (Configuration): Document --enable-comdat.
2145 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2147 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2148 * config/sol2-gld.h: ... here.
2149 * config.gcc (sparc*-*-solaris2*): Reflect this.
2150 (i[34567]86-*-solaris2*): Use it.
2152 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2154 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2156 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2158 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2161 * diagnostic.c (diagnostic_initialize): Initialize
2162 some_warnings_are_errors.
2163 (diagnostic_finish): New.
2164 (diagnostic_action_after_output): Call it before exiting.
2165 (diagnostic_report_diagnostic): Do not print message here. Set
2166 some_warnings_are_errors.
2167 * diagnostic.h (diagnostic_context): Delete
2168 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2169 (diagnostic_finish): Declare.
2170 * toplev.c (toplev_main): Call it before exit.
2172 2010-04-09 Jason Merrill <jason@redhat.com>
2175 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2176 for incomplete type.
2179 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2180 based on a warning flag.
2182 2010-04-09 Richard Guenther <rguenther@suse.de>
2184 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2186 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2189 * varasm.c (default_assemble_visibility): Wrap vars that are
2190 set, but unused, by targets without GAS.
2191 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2192 Remove set, but unused, vars.
2193 (rs6000_legitimize_tls_address): Likewise.
2194 (altivec_expand_dst_builtin): Likewise.
2195 * config/darwin.c (machopic_classify_symbol): Likewise.
2196 (machopic_indirection_name): Likewise.
2198 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2200 * config/i386/i386.md (DWI): New mode iterator.
2201 (S): New mode attribute.
2202 (shift_operand): Ditto.
2203 (shift_immediate_operand): Ditto.
2204 (ashl_input_operand): Ditto.
2205 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2206 using SDWIM mode iterator.
2207 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2208 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2210 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2211 from corresponding peephole2 patterns.
2212 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2213 and x86_64_shift_adj_1 using SWI48 mode iterator.
2214 (x86_shift<mode>_adj_2): Ditto.
2215 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2216 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2217 using SWI48 mode iterator.
2218 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2219 *ashldi3_cmp_rex64 using SWI mode iterator.
2220 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2221 *ashldi3_cconly_rex64 using SWI mode iterator.
2222 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2223 x86_shift<mode>_adj_{1,2}.
2224 (ix86_split_ashr): Ditto.
2225 (ix86_split_lshr): Ditto.
2227 2010-04-09 Richard Guenther <rguenther@suse.de>
2229 * target.h (builtin_conversion): Pass in input and output types.
2230 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2231 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2232 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2233 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2235 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2237 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2239 2010-04-09 Richard Guenther <rguenther@suse.de>
2242 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2244 2010-04-09 Richard Guenther <rguenther@suse.de>
2246 * tree-vectorizer.h (struct _stmt_vec_info): Document
2247 that vectype is the type of the LHS.
2248 (supportable_widening_operation, supportable_narrowing_operation):
2249 Get both input and output vector types as arguments.
2250 (vect_is_simple_use_1): Declare.
2251 (get_same_sized_vectype): Likewise.
2252 * tree-vect-loop.c (vect_determine_vectorization_factor):
2253 Set STMT_VINFO_VECTYPE to the vector type of the def.
2254 (vectorizable_reduction): Adjust.
2255 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2256 Adjust. Specify the output vector type.
2257 (vect_pattern_recog_1): Adjust.
2258 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2259 (vectorizable_call): Adjust.
2260 (vectorizable_conversion): Likewise.
2261 (vectorizable_operation): Likewise.
2262 (vectorizable_type_demotion): Likewise.
2263 (vectorizable_type_promotion): Likewise.
2264 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2266 (vect_is_simple_use_1): New function.
2267 (supportable_widening_operation): Get both input and output
2269 (supportable_narrowing_operation): Likewise.
2270 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2272 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2274 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2275 __thiscall and _thiscall as predefined macros.
2276 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2277 thiscall attribute handling.
2278 (ix86_comp_type_attributes): Likewise.
2279 (ix86_function_regparm): Likewise.
2280 (ix86_return_pops_args): Likewise.
2281 (init_cumulative_args): Likewise.
2282 (find_drap_reg): Likewise.
2283 (ix86_static_chain): Likewise.
2284 (x86_this_parameter): Likewise.
2285 (x86_output_mi_thunk): Likewise.
2286 (ix86_attribute_table): Add description for thiscall attribute.
2287 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2288 * doc/extend.texi: Add documentation for thiscall.
2290 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2293 * c.opt (Wint-to-pointer-cast): Available in C++.
2294 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2296 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2298 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2299 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2300 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2301 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2302 function type instead. Reorder and simplify checks.
2304 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2306 2010-04-08 Jing Yu <jingyu@google.com>
2307 Zdenek Dvorak <ook@ucw.cz>
2309 PR tree-optimization/42720
2310 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2311 loop unswitch conditions here from ...
2312 (tree_unswitch_single_loop): ... here.
2314 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2316 * tree-if-conv.c: Fix comments and simplify logic.
2318 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2320 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2321 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2322 (main_tree_if_conversion): Update call to tree_if_conversion.
2324 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2327 * doc/invoke.texi (-b,-V): Delete.
2328 * doc/tm.texi: Do not mention -b.
2329 * gcc.c (display_help): Delete -b and -V.
2330 (process_command): Delete -b and -V.
2331 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2333 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2334 Wolfgang Gellerich <gellerich@de.ibm.com>
2336 Implement target hook for loop unrolling
2337 * target.h (loop_unroll_adjust): Add a new target hook function.
2338 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2339 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2340 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2341 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2342 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2344 (decide_unroll_stupid): Likewise.
2346 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2349 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2351 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2353 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2354 (Specific, *-*-solaris2*): Likewise.
2355 Don't prefer Sun as over GNU as.
2357 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2359 * config/s390/s390.c (override_options): Adjust the z10
2360 defaults for max-unroll-times, max-completely-peeled-insns
2361 and max-completely-peel-times.
2363 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2365 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2366 instructions for z10.
2367 (s390_expand_setmem): Likewise.
2368 (s390_expand_cmpmem): Likewise.
2370 2010-04-08 Richard Guenther <rguenther@suse.de>
2372 PR tree-optimization/43679
2373 * tree-ssa-pre.c (eliminate): Only propagate copies.
2375 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2378 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2379 set but not used variable warning.
2381 2010-04-08 Wei Guozhi <carrot@google.com>
2384 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2385 (arm_size_rtx_costs): Call the new function when optimized for size.
2387 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2390 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2391 op0 is not a MEM, just return NULL instead of assertion
2393 (discover_nonconstant_array_refs): Don't walk debug stmts.
2395 2010-04-08 Doug Kwan <dougkwan@google.com>
2397 * configure.ac: Recognize gold and do not use its version number
2398 to test ld features.
2399 * configure: Regenerate.
2401 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2404 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2405 (negate_value): Move code to push elements to broken_up_substracts ...
2406 (eliminate_plus_minus_pair): ... here. Push operands that have no
2407 negative pair to plus_negates.
2408 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2410 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2412 * doc/install.texi (Configuration): Move description of
2413 --enable-lto, --with-libelf*, --enable-gold from Java section to
2416 * doc/generic.texi (Working with declarations)
2417 (Function Properties, C and C++ Trees): Fix typos.
2418 * doc/sourcebuild.texi (Top Level): Likewise.
2420 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2423 * tree.h (DECL_READ_P): Define.
2424 (struct tree_decl_common): Add decl_read_flag.
2425 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2426 a set but not used warning.
2427 (merge_decls): Merge DECL_READ_P flag.
2428 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2429 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2430 * c-common.c (handle_used_attribute, handle_unused_attribute):
2432 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2434 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2436 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2437 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2438 c_parser_binary_expression, c_parser_cast_expression,
2439 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2440 Call default_function_array_read_conversion instead of
2441 default_function_array_conversion where needed.
2442 (c_parser_unary_expression, c_parser_conditional_expression,
2443 c_parser_postfix_expression_after_primary, c_parser_initelt):
2444 Likewise. Call mark_exp_read where needed.
2445 (c_parser_statement_after_labels, c_parser_asm_operands,
2446 c_parser_typeof_specifier, c_parser_sizeof_expression,
2447 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2449 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2451 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2452 (warn_unused_but_set_parameter): Default to warn_unused
2454 * doc/invoke.texi: Document -Wunused-but-set-variable and
2455 -Wunused-but-set-parameter.
2457 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2458 used count variable.
2459 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2460 when operandN variables aren't used in the body of the expander
2462 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2463 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2464 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2465 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2466 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2467 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2468 * tree.c (PROCESS_ARG): Likewise.
2470 2010-04-07 Simon Baldwin <simonb@google.com>
2472 * diagnostic.h (diagnostic_override_option_index): New macro to
2473 set a diagnostic's option_index.
2474 * c-tree.h (c_cpp_error): Add warning reason argument.
2475 * opts.c (_warning_as_error_callback): New.
2476 (register_warning_as_error_callback): Store callback for
2477 warnings enabled via enable_warning_as_error.
2478 (enable_warning_as_error): Call callback, minor code tidy.
2479 * opts.h (register_warning_as_error_callback): Declare.
2480 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2481 response to -Werror=.
2482 (c_common_init_options): Register warning_as_error_callback in opts.c.
2483 * common.opt: Add -Wno-cpp option.
2484 * c-common.c (struct reason_option_codes_t): Map cpp warning
2485 reason codes to gcc option indexes.
2486 * (c_option_controlling_cpp_error): New function, lookup the gcc
2487 option index for a cpp warning reason code.
2488 * (c_cpp_error): Add warning reason argument, call
2489 c_option_controlling_cpp_error for diagnostic_override_option_index.
2490 * doc/invoke.texi: Document -Wno-cpp.
2492 2010-04-07 Richard Guenther <rguenther@suse.de>
2494 * ipa-reference.c (mark_load): Use get_base_address.
2495 (mark_store): Likewise.
2497 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2498 inserting GIMPLE_NOPs into the IL.
2499 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2500 Explicitly strip handled components and indirect references.
2502 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2503 folding address expressions.
2504 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2505 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2506 operand_equal_p to compare decls.
2507 (ptr_deref_may_alias_decl_p): Likewise.
2508 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2509 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2510 Handle reversed comparison ops.
2511 * tree-sra.c (asm_visit_addr): Use get_base_address.
2512 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2513 * ipa-reference.c (mark_address): Use get_base_address.
2515 2010-04-07 Richard Guenther <rguenther@suse.de>
2517 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2518 Propagate constants everywhere.
2520 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2523 * tree.c (MAX_INT_CACHED_PREC): Define.
2524 (nonstandard_integer_type_cache): New array.
2525 (build_nonstandard_integer_type): Cache results for precision
2526 <= MAX_INT_CACHED_PREC.
2528 2010-04-07 Richard Guenther <rguenther@suse.de>
2530 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2531 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2532 * common.opt: Likewise.
2533 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2534 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2535 (nonoverlapping_memrefs_p): Likewise.
2536 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2537 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2538 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2539 OPT_fargument_noalias_global for backward compatibility.
2541 2010-04-07 Richard Guenther <rguenther@suse.de>
2543 PR tree-optimization/43270
2544 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2545 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2546 * tree-ssa-pre.c (phi_translate_1): Adjust.
2547 (fully_constant_expression): Split out vn_reference handling to ...
2548 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2549 Fold reads from constant strings.
2550 (vn_reference_lookup): Handle fully constant references.
2551 (vn_reference_lookup_pieces): Likewise.
2552 * Makefile.in (expmed.o-warn): Add -Wno-error.
2554 2010-04-07 Martin Jambor <mjambor@suse.cz>
2556 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2558 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2561 * gcc.c: Add -static-libstdc++ to list of recognized options.
2563 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2565 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2567 2010-04-07 Richard Guenther <rguenther@suse.de>
2570 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2571 bases build simple mem attributes to retain points-to information.
2573 2010-04-07 Richard Guenther <rguenther@suse.de>
2576 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2577 preserve points-to related information.
2579 2010-04-07 Richard Guenther <rguenther@suse.de>
2582 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2583 discard plain indirect references.
2584 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2585 * tree.c (tree_nop_conversion): Likewise.
2587 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2590 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2592 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2594 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2595 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2597 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2599 * tree-if-conv.c: Fix indentation and comments.
2601 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2603 * tree-if-conv.c: Sort static functions in topological order.
2605 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2607 * tree-if-conv.c: Fix indentation and comments.
2609 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2612 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2613 lang_hooks.types.type_for_size instead of
2614 build_nonstandard_integer_type.
2615 When converting an unsigned type to signed, double its precision.
2616 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2617 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2618 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2621 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2624 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2625 POINTER_PLUS_EXPR for pointer types.
2627 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2630 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2631 * graphite-clast-to-gimple.c: Include langhooks.h.
2632 (max_signed_precision_type): New.
2633 (max_precision_type): Takes two types as arguments.
2634 (precision_for_value): New.
2635 (precision_for_interval): New.
2636 (gcc_type_for_interval): New.
2637 (gcc_type_for_value): New.
2638 (gcc_type_for_clast_term): New.
2639 (gcc_type_for_clast_red): New.
2640 (gcc_type_for_clast_bin): New.
2641 (gcc_type_for_clast_expr): Split up into several functions.
2642 (gcc_type_for_clast_eq): Rewritten.
2643 (compute_bounds_for_level): New.
2644 (compute_type_for_level_1): New.
2645 (compute_type_for_level): New.
2646 (gcc_type_for_cloog_iv): Removed.
2647 (gcc_type_for_iv_of_clast_loop): Rewritten.
2648 (graphite_create_new_loop): Compute the lower and upper bound types
2649 with gcc_type_for_clast_expr.
2650 (graphite_create_new_loop_guard): Same.
2651 (find_cloog_iv_in_expr): Removed.
2652 (compute_cloog_iv_types_1): Removed.
2653 (compute_cloog_iv_types): Removed.
2654 (gloog): Do not call compute_cloog_iv_types.
2655 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2657 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2658 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2659 (GBB_CLOOG_IV_TYPES): Removed.
2661 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2663 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2664 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2665 (detect_commutative_reduction): Same.
2667 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2669 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2670 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2672 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2673 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2674 (rewrite_commutative_reductions_out_of_ssa): Same.
2675 * passes.c (execute_function_todo): Call verify_ssa for every pass
2676 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2677 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2678 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2679 with an extra argument.
2680 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2681 verify_ssa only when the extra argument is true.
2682 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2683 with an extra argument.
2684 (tree_transform_and_unroll_loop): Same.
2686 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2688 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2689 for all the passes of the LNO having LOOP_CLOSED_SSA.
2690 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2691 * tree-loop-distribution.c (pass_loop_distribution): Same.
2692 * tree-pass.h (TODO_verify_loops): Removed.
2693 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2695 (pass_tree_unswitch): Same.
2696 (pass_predcom): Same.
2697 (pass_vectorize): Same.
2698 (pass_linear_transform): Same.
2699 (pass_graphite_transforms): Same.
2700 (pass_iv_canon): Same.
2701 (pass_complete_unroll): Same.
2702 (pass_complete_unrolli): Same.
2703 (pass_parallelize_loops): Same.
2704 (pass_loop_prefetch): Same.
2705 (pass_iv_optimize): Same.
2707 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2710 * passes.c (init_optimization_passes): Move pass_lim before
2711 pass_copy_prop and pass_dce_loop.
2713 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2716 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2717 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2718 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2719 MULTI_* defines for 4 argument vpermil2p* builtins.
2721 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2723 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2724 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2725 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2726 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2727 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2728 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2729 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2730 Use x86_maybe_negate_const_int to output insn mnemonic.
2731 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2732 check from instruction predicate. Update comments.
2733 * config/i386/sync.md (sync_add<mode>): Use
2734 x86_maybe_negate_const_int to output insn mnemonic.
2736 2010-04-06 Jan Hubicka <jh@suse.cz>
2738 PR tree-optimization/42906
2739 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2740 IGNORE_SELF argument. Set visited_control_parents for fully
2742 (find_obviously_necessary_stmts): Update call of
2743 mark_control_dependent_edges_necessary.
2744 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2746 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2748 * config/i386/i386.md: Remove comment about 'e' and 'E'
2751 2010-04-06 Richard Guenther <rguenther@suse.de>
2753 PR tree-optimization/43627
2754 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2755 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2758 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2760 * BASE-VER: Change to 4.6.0.
2763 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2766 2010-04-06 Richard Guenther <rguenther@suse.de>
2769 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2771 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2773 * doc/invoke.texi (Optimize Options): Document that LTO
2774 won't remove object access purely due to incompatible
2777 2010-04-04 Matthias Klose <doko@ubuntu.com>
2779 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2780 Initialize variable.
2782 2010-04-03 Richard Guenther <rguenther@suse.de>
2785 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2786 require a non-NULL MEM_OFFSET.
2788 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2790 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2791 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2792 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2793 config/alpha/predicates.md, config/arm/arm.md,
2794 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2795 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2796 config/darwin9.h, config/darwin.c, config/darwin.h,
2797 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2798 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2799 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2800 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2801 config/mips/mips.md, config/mn10300/mn10300.c,
2802 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2803 config/rs6000/aix.h, config/rs6000/dfp.md,
2804 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2805 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2806 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2807 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2808 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2809 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2810 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2811 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2812 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2813 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2814 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2815 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2816 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2817 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2818 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2819 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2820 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2821 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2822 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2823 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2824 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2825 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2826 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2827 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2828 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2829 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2830 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2831 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2832 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2833 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2834 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2835 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2836 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2837 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2838 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2839 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2841 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2844 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2845 * aclocal.m4: Regenerate.
2847 2010-04-02 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/43629
2850 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2851 if we have seen a constant value.
2853 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2855 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2857 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2860 * arm.c (legitimize_tls_address): Adjust call to
2861 gen_tls_load_dot_plus_four.
2862 (arm_note_pic_base): New function.
2863 (arm_cannot_copy_insn_p): Use it.
2864 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2867 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2872 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2874 * Makefile.in ($(out_object_file)): Depend on
2875 gt-$(basename $(notdir $(out_file))).h.
2877 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2879 * config.gcc (lm32-*-rtems*): Add t-lm32.
2881 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2883 * config.gcc: Add lm32-*-rtems*.
2884 * config/lm32/rtems.h: New file.
2886 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2889 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2891 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2893 * dwarf2out.c (output_compilation_unit_header): For
2894 -gdwarf-4 use version 4 instead of version 3.
2895 (output_line_info): For version 4 and above emit additional
2896 maximum ops per insn header field.
2897 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2899 * dwarf2out.c (is_c_family, is_java): Remove.
2900 (lower_bound_default): New function.
2901 (add_bound_info, gen_descr_array_type_die): Use it.
2903 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2906 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2907 re-declaration when it happens in a function.
2909 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2911 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2912 (cgraph_remove_function_insertion_hook): Same.
2913 (cgraph_call_function_insertion_hooks): Same.
2915 2010-04-01 Richard Guenther <rguenther@suse.de>
2918 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2919 and TREE_THIS_VOLATILE.
2920 (copy_ref_info): Likewise.
2921 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2922 * tree.c (build6_stat): Ignore side-effects of all but arg5
2923 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2926 2010-04-01 Richard Guenther <rguenther@suse.de>
2928 PR tree-optimization/43607
2929 * ipa-type-escape.c (check_call): Do not access non-existing
2932 2010-04-01 Richard Guenther <rguenther@suse.de>
2936 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2937 Jack Howarth <howarth@bromo.med.uc.edu>
2939 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2942 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2944 * doc/install.texi (Prerequisites): Document libelf usability on
2945 IRIX 5/6 and Solaris 2.
2946 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2947 Update GNU as, GNU ld requirements.
2948 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2949 Document Sun Studio compiler download.
2950 Update and simplify as, ld recommendations.
2951 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2953 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2955 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2956 with_tune_32 to pentium4.
2958 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2960 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2962 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2964 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2965 obsoletion, removal.
2967 Document GNU as requirement.
2968 Update configure requirements.
2969 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2970 Recomment IRIX 6.5.18+.
2971 Document IDF/IDL requirement.
2972 Document GNU as requirement.
2973 Document GNU ld bootstrap failure.
2974 Remove freeware.sgi.com reference.
2976 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2978 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2979 UNIX V4.0, V5.0 obsoletion, removal.
2980 Remove --with-gc=simple reference.
2981 Update VM requirements during bootstrap.
2982 Remove -oldas bootstrap description.
2983 Update binutils reference.
2984 Remove comparison failure note.
2986 2010-03-31 Richard Guenther <rguenther@suse.de>
2987 Zdenek Dvorak <ook@ucw.cz>
2988 Sebastian Pop <sebastian.pop@amd.com>
2991 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2992 with multiple arguments.
2993 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2995 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2997 * graphite-dependences.c (print_pddr): Call print_pdr with an
2999 * graphite-poly.c (debug_pdr): Add an extra argument for the
3002 (print_pbb_domain): Same.
3004 (print_scop_context): Same.
3006 (print_cloog): Same.
3007 (debug_pbb_domain): Same.
3011 (debug_scop_context): Same.
3013 (debug_cloog): Same.
3014 (print_scop_params): Same.
3015 (debug_scop_params): Same.
3016 (print_iteration_domain): Same.
3017 (print_iteration_domains): Same.
3018 (debug_iteration_domain): Same.
3019 (debug_iteration_domains): Same.
3020 (print_scattering_function): Same.
3021 (print_scattering_functions): Same.
3022 (debug_scattering_function): Same.
3023 (debug_scattering_functions): Same.
3024 * graphite-poly.h (debug_pdr): Update declaration.
3026 (print_pbb_domain): Same.
3028 (print_scop_context): Same.
3030 (print_cloog): Same.
3031 (debug_pbb_domain): Same.
3035 (debug_scop_context): Same.
3037 (debug_cloog): Same.
3038 (print_scop_params): Same.
3039 (debug_scop_params): Same.
3040 (print_iteration_domain): Same.
3041 (print_iteration_domains): Same.
3042 (debug_iteration_domain): Same.
3043 (debug_iteration_domains): Same.
3044 (print_scattering_function): Same.
3045 (print_scattering_functions): Same.
3046 (debug_scattering_function): Same.
3047 (debug_scattering_functions): Same.
3049 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3051 * graphite-poly.c (print_scattering_function_1): New.
3052 (print_scattering_function): Call it.
3053 (print_scop_params): Remove spaces at the end of lines.
3056 * graphite-poly.h (print_cloog): Declared.
3057 (debug_cloog): Declared.
3059 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3061 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3063 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3064 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3065 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3066 to switch between adding the IV bump in loop->latch or in loop->header.
3068 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3070 * graphite-poly.c (print_scattering_function): Pretty print following
3073 (print_pbb_domain): Same.
3074 (dump_gbb_cases): Same.
3075 (dump_gbb_conditions): Same.
3078 (print_scop_params): Same.
3079 (print_scop_context): Same.
3081 (print_pbb_body): New.
3082 (lst_indent_to): New.
3083 (print_lst): Start new lines with a #.
3084 * graphite-poly.h (pbb_bb): New.
3085 (pbb_index): Use pbb_bb.
3086 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3088 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3090 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3092 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3093 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3094 and 0 instead of 1 for dw_val_class_flag.
3095 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3096 dw_val_class_range_list, dw_val_class_loc_list,
3097 dw_val_class_lineptr and dw_val_class_macptr, use
3098 DW_FORM_flag_present for dw_val_class_flag and
3099 DW_FORM_exprloc for dw_val_class_loc.
3100 (output_die): For -gdwarf-4 print dw_val_class_loc
3101 size as uleb128 instead of 1 or 2 bytes and don't print
3102 anything for dw_val_class_flag.
3104 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3105 instead of cselib_lookup following by tweaking locs->setting_insn.
3108 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3109 even before returning from label, setjmp call or volatile asm
3112 2010-03-31 Richard Guenther <rguenther@suse.de>
3115 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3116 temporary data on stack.
3118 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3120 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3121 (PUSHSECTION_ASM_OP): Remove.
3122 (POPSECTION_ASM_OP): Remove.
3123 (PUSHSECTION_FORMAT): Remove.
3124 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3125 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3126 * config/sol2.c (solaris_output_init_fini): Use it.
3128 2010-03-31 Jie Zhang <jie@codesourcery.com>
3131 * opt-functions.awk (var_type_struct): Use signed char type
3132 for simple variables.
3134 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3136 * config/sol2.c: Include output.h.
3137 (solaris_assemble_visibility): New function.
3138 * config/t-sol2 (sol2.o): Add output.h dependency.
3139 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3140 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3143 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3146 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3147 V2SImode or XFmode on PRE_DEC.
3150 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3153 2010-03-31 Jie Zhang <jie@codesourcery.com>
3156 * reload.h (caller_save_initialized_p): Declare.
3157 * toplev.c (backend_init_target): Don't call
3158 init_caller_save but set caller_save_initialized_p to false.
3159 * caller-save.c (caller_save_initialized_p): Define.
3160 (init_caller_save): Check caller_save_initialized_p.
3161 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3163 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3166 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3167 and soft-fp/t-softfp to tmake_file.
3168 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3169 (LIBGCC2_TF_CEXT): Define.
3172 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3175 * cselib.c (n_useless_values): Document handling of debug locs.
3176 (n_useless_debug_values, n_debug_values): New variables.
3177 (new_elt_loc_list): Don't add to debug values, keep count.
3178 (promote_debug_loc): New.
3179 (cselib_reset_table): Zero new variables.
3180 (entry_and_rtx_equal_p): Promote debug locs.
3181 (discard_useless_locs): Increment n_useless_debug_values for
3183 (remove_useless_values): Adjust n_useless_values and n_debug_values
3184 with n_useless_debug_values.
3185 (add_mem_for_addr): Promote debug locs.
3186 (cselib_lookup_mem): Likewise.
3187 (cselib_lookup_addr): Renamed to...
3188 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3189 (cselib_log_lookup): ... this. Turn into...
3190 (cselib_lookup_addr): ... new wrapper.
3191 (cselib_lookup_from_insn): New.
3192 (cselib_invalidate_regno): Increment n_useless_debug_values for
3194 (cselib_invalidate_mem): Likewise.
3195 (cselib_process_insn): Take n_deleted and n_debug_values into
3196 account to guard remove_useless_value call.
3197 (cselib_finish): Zero n_useless_debug_values.
3198 * cselib.h (cselib_lookup_from_insn): Declare.
3199 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3200 (sched_analyze_2): Likewise.
3202 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3204 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3206 (adjust_mems): Replace narrowing SUBREG of expression containing
3207 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3208 with operations in the narrower mode.
3211 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3212 regs_invalidated_by_call instead all call_used_reg_set registers.
3214 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3217 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3218 pointer comparisons with types_compatible_p.
3219 * tree-vect-stmts.c (vectorizable_call): Same.
3220 (vectorizable_condition): Same.
3222 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3224 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3225 stack check if the mask would be zero.
3227 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3228 Jack Howarth <howarth@bromo.med.uc.edu>
3230 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3233 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3236 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3238 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3239 Include ___unordxf2 and ___unordtf2.
3240 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3243 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3245 * config/lm32/t-lm32: New file.
3246 * config.gcc: Use the above file when targetting lm32.
3248 2010-03-28 Duncan Sands <baldrick@free.fr>
3250 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3252 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3255 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3256 Improve vectorization cost model diagnostic.
3258 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3261 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3262 compute_data_dependences_for_loop returns false, early exit
3263 and output an extra diagnostic for the failed data reference
3266 2010-03-29 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/43560
3269 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3270 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3272 2010-03-29 Jie Zhang <jie@codesourcery.com>
3275 * toplev.c (process_options): Set optimization_default_node
3276 and optimization_current_node.
3277 * opts.c (decode_options): Don't set optimization_default_node
3278 and optimization_current_node.
3280 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3282 * config/rtems.h: Abandon -qrtems_debug.
3284 2010-03-28 Jan Hubicka <jh@suse.cz>
3286 PR tree-optimization/43505
3287 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3288 map should not be copied.
3290 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3293 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3294 cdtors, set DECL_PRESERVE_P.
3295 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3298 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3300 PR tree-optimization/43528
3301 * stor-layout.c (place_field): Check that constant fits into
3302 unsigned HWI when skipping calculation of MS bitfield layout.
3304 2010-03-27 Jan Hubicka <jh@suse.cz>
3307 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3308 notice_global_symbol work.
3310 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3312 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3313 instead of dwarf2out_decl.
3314 (struct var_loc_node): Remove section_label field.
3315 (dwarf2out_function_decl): New function.
3316 (dwarf2out_var_location): Don't set section_label field.
3317 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3319 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3321 PR tree-optimization/43544
3322 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3323 First argument for builtin vectorized function hook is now a
3324 tree to be able to distinguish between machine specific and
3326 * targhooks.c (default_builtin_vectorized_function): Ditto.
3327 * targhooks.h (default_builtin_vectorized_function): Ditto.
3328 * target.h (struct gcc_target): Ditto.
3329 * tree-vect-stmts.c (vectorizable_function): Ditto.
3330 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3331 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3334 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3337 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3338 nested binding iff it is a FUNCTION_DECL.
3339 (store_parm_decls_newstyle): Pass nested=true to bind for
3340 FUNCTION_DECLs amongst parameters.
3342 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3344 * var-tracking.c (vt_expand_loc_callback): Don't run
3345 cselib_expand_value_rtx_cb in dummy mode if
3346 cselib_dummy_expand_value_rtx_cb returned false.
3348 * var-tracking.c (emit_note_insn_var_location): For one part
3349 notes with offset 0, don't add EXPR_LIST around the location.
3350 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3351 add_location_or_const_value_attribute): Adjust for that change.
3354 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3355 into first operand and location into second.
3356 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3357 dw_cfi_oprnd_loc for DW_CFA_expression.
3358 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3359 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3360 assume first argument is regnum and second argument is location.
3362 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3365 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3366 of scratch register to DImode. Split to DImode comparison operator.
3367 Use SImode subreg of scratch register in the multiplication.
3368 (*cmp_sadd_sidi): Ditto.
3369 (*cmp_ssub_si): Ditto.
3370 (*cmp_ssub_sidi): Ditto.
3372 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3375 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3376 Remove invalid assert and wrong comment.
3378 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3381 * flags.h (final_insns_dump_p): New extern.
3382 * final.c (final_insns_dump_p): New variable.
3383 (rest_of_clean_state): Set it before -fdump-final-insns=
3384 dumping, clear afterwards.
3385 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3386 MEM_ALIAS_SET on MEMs.
3388 2010-03-26 David S. Miller <davem@davemloft.net>
3390 * configure.ac: Fix sparc GOTDATA_OP bug check.
3391 * configure: Rebuild.
3393 2010-03-26 Alan Modra <amodra@gmail.com>
3395 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3397 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3399 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3400 TLS_SECTION_ASM_FLAG.
3402 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3405 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3406 Clear first_function_block_is_cold.
3409 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3410 argument if the argument is truth_value_p.
3412 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3414 * config/rs6000/constraints.md: Update copyright year for my changes.
3417 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3418 used in reg+reg addressing, swap registers.
3420 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3423 * target.h (struct gcc_target): Add code_end hook.
3424 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3426 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3427 * toplev.c (compile_file): Call targetm.asm_out.code_end
3428 hook before unwind info/debug info output.
3429 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3430 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3431 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3432 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3433 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3434 * config/i386/i386.c (ix86_file_end): Renamed to...
3435 (ix86_code_end): ... this. Make static. Don't call
3436 file_end_indicate_exec_stack. Emit unwind info using
3437 final_start_function/final_end_function.
3438 (darwin_x86_file_end): Remove.
3439 (TARGET_ASM_CODE_END): Define.
3440 * config/i386/i386.h (TARGET_ASM_FILE_END,
3441 NEED_INDICATE_EXEC_STACK): Don't define.
3442 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3443 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3444 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3445 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3448 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3449 at the beginning and final_end_function at the end.
3450 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3452 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3454 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3455 and Sun as TLS syntax.
3456 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3457 * configure: Regenerate.
3458 * config.in: Regenerate.
3459 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3460 (default_elf_asm_named_section): Use it.
3461 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3462 (i386_output_dwarf_dtprel): Likewise.
3463 (output_addr_const_extra): Likewise.
3464 (output_pic_addr_const): Lowercase @GOTTPOFF.
3465 (output_addr_const_extra): Likewise.
3466 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3467 (output_addr_const_extra): Likewise.
3468 (output_pic_addr_const): Lowercase @INDNTPOFF.
3469 (output_addr_const_extra): Likewise.
3470 (output_pic_addr_const): Lowercase @NTPOFF.
3471 (output_addr_const_extra): Likewise.
3472 (output_pic_addr_const): Lowercase @TPOFF.
3473 (output_addr_const_extra): Likewise.
3474 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3475 (*tls_global_dynamic_64): Likewise.
3476 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3477 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3479 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3480 (ASM_OUTPUT_TLS_COMMON): Use it.
3481 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3484 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3485 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3486 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3487 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3488 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3489 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3491 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3493 * config/i386/i386.c (override_options): Don't accept
3494 -mtls-dialect=sun any longer.
3495 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3496 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3497 (*tls_local_dynamic_base_32_sun): Likewise.
3498 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3500 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3503 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3504 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3507 * ira.c (adjust_cleared_regs): New function.
3508 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3512 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3514 * expr.c (expand_expr_real): Restore previous
3515 curr_insn_source_location and curr_insn_block after
3516 expand_expr_real_1 call.
3517 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3518 instead of expand_expr_real_1.
3520 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3522 PR rtl-optimization/43413
3523 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3526 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3529 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3530 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3532 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3534 * config/i386/i386.c (ix86_target_string): Add -mfma.
3535 Fix a typo in comment.
3537 2010-03-22 Mike Stump <mikestump@comcast.net>
3540 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3541 Don't overly align based upon packed packed fields.
3543 2010-03-22 Jason Merrill <jason@redhat.com>
3545 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3546 Use () rather than [], and move before the element type.
3548 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3550 * doc/configfiles.texi (Configuration Files): Removed
3551 fixinc/Makefile*, intl/Makefile.*.
3552 * doc/makefile.texi: Fixed markup. Abstract from version
3553 control system used.
3554 (Makefile): Removed obsolete gcc/java/parse.y example.
3555 * doc/sourcebuild.texi: Likewise.
3556 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3557 libgomp, libssp. Removed fastjar.
3558 (Miscellaneous Docs): Clarify location.
3559 Added COPYING3, COPYING3.LIB.
3560 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3562 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3565 * config/i386/i386.c (x86_function_profiler)
3566 [!NO_PROFILE_COUNTERS]: Fix typo.
3567 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3570 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3571 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3573 * doc/sourcebuild.texi (Test Directives): Split into six
3574 subsections, with most of the current text in new subsections
3575 Directives, Selectors, and Final Actions.
3576 (Directives): Split list of test directives into multiple
3578 (Selectors): Describe use and syntax of selectors.
3579 (Effective-Target Keywords): Describe all existing keywords.
3580 (Add Options): Describe features for dg-add-options.
3581 (Require Support): Describe variants of dg-require-support.
3582 (Final Actions): Describe commands to use in dg-final.
3584 2010-03-22 Michael Matz <matz@suse.de>
3587 * recog.c (validate_replace_rtx_group): Replace also in
3588 REG_EQUAL and REG_EQUIV notes.
3590 2010-03-22 Richard Guenther <rguenther@suse.de>
3592 PR tree-optimization/43390
3593 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3594 sure vector extracts are type correct.
3596 2010-03-22 Richard Guenther <rguenther@suse.de>
3599 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3600 x * sqrt (x) even when optimizing for size if the target
3601 has native support for sqrt.
3603 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3605 * varasm.c (make_decl_rtl_for_debug): Also clear
3606 flag_mudflap for the duration of make_decl_rtl call.
3609 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3610 locs from preserved VALUEs.
3612 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3615 * pa.md (movmemsi): Set align to one if zero.
3616 (movmemdi): Likewise.
3618 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3621 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3622 with their corresponding prologue pushes.
3624 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3627 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3628 at the begining or end.
3629 (spu_expand_epilogue): Likewise.
3631 2010-03-20 Richard Guenther <rguenther@suse.de>
3633 PR rtl-optimization/43438
3634 * combine.c (make_extraction): Properly zero-/sign-extend an
3635 extraction of the low part of a CONST_INT. Also handle
3638 2010-03-19 Mike Stump <mikestump@comcast.net>
3640 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3641 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3642 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3644 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3647 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3650 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3652 PR rtl-optimization/42258
3653 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3654 use that may match DEF.
3657 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3658 the cost of loading the constant rather than assuming
3660 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3661 outer code is AND, do the same tests as the andsi3 expander and
3662 return COSTS_N_INSNS (1) if and is cheap.
3664 * optabs.c (avoid_expensive_constant): Fix formatting.
3666 2010-03-19 Michael Matz <matz@suse.de>
3669 * attribs.c (decl_attributes): When rebuilding a function pointer
3670 type use the same qualifiers as the original pointer type.
3672 2010-03-19 Martin Jambor <mjambor@suse.cz>
3674 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3675 and is_gimple_ip_invariant_address.
3677 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3680 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3682 * config/arm/arm.c (arm_override_options): Turn off
3683 flag_dwarf2_cfi_asm for AAPCS variants.
3685 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3688 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3689 Use PRE_MODIFY instead of PRE_DEC.
3690 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3691 (vfp_emit_fstmd): Likewise.
3693 2010-03-19 Michael Matz <matz@suse.de>
3696 * builtins.c (expand_builtin_interclass_mathfn,
3697 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3700 2010-03-19 Richard Guenther <rguenther@suse.de>
3702 PR tree-optimization/43415
3703 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3704 (phi_translate_1): ... this.
3705 (phi_translate): Move all caching here. Cache all NARY
3706 and REFERENCE translations.
3708 2010-03-19 David S. Miller <davem@davemloft.net>
3710 With help from Eric Botcazou.
3711 * config/sparc/sparc.c: Include dwarf2out.h.
3712 (emit_pic_helper): Delete.
3713 (pic_helper_symbol_name): Delete.
3714 (pic_helper_emitted_p): Delete.
3715 (pic_helper_needed): New.
3716 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3717 (get_pc_thunk_name): New.
3718 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3719 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3720 Set pic_helper_needed to true. Don't call emit_pic_helper.
3721 (sparc_expand_prologue): Update load_pic_register call.
3722 (sparc_output_mi_thunk): Likewise.
3723 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3724 thunk if possible. Output CFI information as needed.
3726 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3727 Jack Howarth <howarth@bromo.med.uc.edu>
3730 * config/i386/i386.h: Fix ABI on darwin x86-32.
3732 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3734 * tree.h: Declare make_decl_rtl_for_debug.
3735 * varasm.c (make_decl_rtl_for_debug): New.
3736 * dwarf2out.c (rtl_for_decl_location): Call it.
3737 * cfgexpand.c (expand_debug_expr): Call it.
3739 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3742 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3746 * var-tracking.c (vt_init_cfa_base): Do nothing if
3747 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3749 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3752 * var-tracking.c (canonicalize_vars_star): New.
3753 (dataflow_post_merge_adjust): Use it.
3755 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3758 * var-tracking.c (non_suitable_const): New function.
3759 (add_uses): For DEBUG_INSNs with constants, don't record any
3760 value, instead just the constant value itself.
3761 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3762 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3763 (emit_notes_in_bb): Likewise.
3764 (emit_note_insn_var_location): For onepart variables if
3765 cur_loc is a VOIDmode constant, use DECL_MODE.
3767 2010-03-18 Martin Jambor <mjambor@suse.cz>
3770 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3771 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3772 all non-clones. Moved call redirection...
3773 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3774 (cgraph_materialize_all_clones): Dispose of all
3775 combined_args_to_skip bitmaps.
3776 (verify_cgraph_node): Do not check for edges pointing to wrong
3777 nodes in inline clones.
3778 * tree-inline.c (copy_bb): Call
3779 cgraph_redirect_edge_call_stmt_to_callee.
3780 * ipa.c (cgraph_remove_unreachable_nodes): Call
3781 cgraph_node_remove_callees even when there are used clones.
3783 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3785 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3787 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3790 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3793 2010-03-18 Michael Matz <matz@suse.de>
3796 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3797 into sqrt(x) if we need to preserve signed zeros.
3799 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3800 Eric Botcazou <ebotcazou@adacore.com>
3802 PR rtl-optimization/43360
3803 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3804 note if we don't know its invariant status.
3806 2010-03-18 Michael Matz <matz@suse.de>
3808 PR tree-optimization/43402
3809 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3810 PHI chains of ssa names registered for update.
3812 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3815 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3816 non-offsettable and pre_modify update addressing.
3817 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3818 and "2" alternatives "#".
3819 (*movdd_softfloat32): Make all alternatives "#";
3820 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3821 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3822 (*movdf_softfloat32): Make all alternatives "#";
3823 (movdi): Use the new DIFD mode iterator to create a common splitter
3824 for movdi, movdf and movdd patterns.
3826 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3828 * common.opt (dumpdir): Remove redundant tab.
3830 2010-03-17 Martin Jambor <mjambor@suse.cz>
3832 PR tree-optimization/43347
3833 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3834 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3836 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3838 PR rtl-optimization/42216
3839 * regrename.c (create_new_chain): New function, broken out from...
3840 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3841 appending a use to an empty chain.
3842 (build_def_use): Remove previous changes that convert OP_INOUT to
3843 OP_OUT operands; instead detect the case where an OP_INOUT operand
3844 uses a previously untracked register and create an empty chain for it.
3846 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3848 * doc/extend.texi (Function Attributes): Rewrite unfinished
3849 sentence in ms_abi documentation.
3851 2010-03-17 Alan Modra <amodra@gmail.com>
3853 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3854 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3855 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3856 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3858 2010-03-16 Richard Henderson <rth@redhat.com>
3861 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3862 (lower_try_finally): Save and restore eh_seq around the expansion
3865 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3867 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3868 statements before splitting block.
3870 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3872 * doc/sourcebuild.texi (Testsuites): Fix markup.
3873 Use pathnames relative to gcc/testsuite.
3874 (Test Directives): Move description of how timeout is determined.
3875 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3876 (C Tests): Correct gcc.misc-tests directory.
3877 Framework tests now live in gcc.test-framework.
3879 2010-03-16 Richard Guenther <rguenther@suse.de>
3882 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3883 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3885 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3886 Alexandre Oliva <aoliva@redhat.com>
3888 PR tree-optimization/42917
3889 * lambda-code.c (remove_iv): Skip debug statements.
3890 (lambda_loopnest_to_gcc_loopnest): Likewise.
3891 (not_interesting_stmt): Debug statements are not interesting.
3893 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3897 * cselib.c (cselib_preserve_constants,
3898 cfa_base_preserved_val): New static variables.
3899 (preserve_only_constants): New function.
3900 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3901 clear its REG_VALUES. If cselib_preserve_constants, don't
3902 empty the whole hash table, but preserve there VALUEs with constants,
3903 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3904 (cselib_preserve_cfa_base_value): New function.
3905 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3906 (cselib_init): Change argument to int bitfield. Set
3907 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3909 (cselib_finish): Clear cselib_preserve_constants and
3910 cfa_base_preserved_val.
3911 * cselib.h (enum cselib_record_what): New enum.
3912 (cselib_init): Change argument to int.
3913 (cselib_preserve_cfa_base_value): New prototype.
3914 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3915 * dse.c (dse_step1): Likewise.
3916 * cfgcleanup.c (thread_jump): Likewise.
3917 * sched-deps.c (sched_analyze): Likewise.
3918 * gcse.c (local_cprop_pass): Likewise.
3919 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3920 If FN is non-NULL, call the callback always and whenever it returns
3921 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3922 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3923 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3924 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3925 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3926 * var-tracking.c: Include recog.h.
3927 (bb_stack_adjust_offset): Remove.
3928 (vt_stack_adjustments): Don't call it, instead just gather the
3929 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3930 (adjust_stack_reference): Remove.
3931 (compute_cfa_pointer): New function.
3932 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3933 (struct adjust_mem_data): New type.
3934 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3936 (get_address_mode): New function.
3937 (replace_expr_with_values): Use it.
3938 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3939 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3940 (adjust_sets): Remove.
3941 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3942 Use get_address_mode.
3943 (get_adjusted_src): Remove.
3944 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3945 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3946 (add_with_sets): Don't call adjust_sets.
3947 (fp_setter, vt_init_cfa_base): New functions.
3948 (vt_initialize): Change return type to bool. Move most of pool etc.
3949 initialization to the beginning of the function from end. Pass
3950 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3951 If !frame_pointer_needed, call vt_stack_adjustment before mos
3952 vector is filled, call vt_init_cfa_base if argp/framep has been
3953 eliminated to sp. If frame_pointer_needed and argp/framep has
3954 been eliminated to hard frame pointer, set
3955 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3956 encountering fp setter in the prologue. For MO_ADJUST, call
3957 log_op_type before pusing the op into mos vector, not afterwards.
3958 Call adjust_insn before cselib_process_insn/add_with_sets,
3959 call cancel_changes (0) afterwards.
3960 (variable_tracking_main_1): Adjust for vt_initialize calling
3961 vt_stack_adjustments and returning whether it succeeded or not.
3963 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3965 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3968 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3970 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3972 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3973 drap_reg has not been set.
3975 2010-03-15 Michael Matz <matz@suse.de>
3978 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3979 use it to expand block copies.
3980 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3981 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3982 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3984 2010-03-15 Richard Guenther <rguenther@suse.de>
3986 PR tree-optimization/43367
3987 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3990 2010-03-15 Richard Guenther <rguenther@suse.de>
3992 PR tree-optimization/43317
3993 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3995 2010-03-15 Martin Jambor <mjambor@suse.cz>
3997 PR tree-optimization/43141
3998 * tree-sra.c (create_abstract_origin): New function.
3999 (modify_function): Call create_abstract_origin.
4001 2010-03-15 Chris Demetriou <cgd@google.com>
4003 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4006 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4009 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4010 call insert_out_of_ssa_copy for default definitions.
4012 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4014 * graphite-clast-to-gimple.c (my_long_long): Defined.
4015 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4016 * graphite-sese-to-poly.c (my_long_long): Defined.
4017 (scop_ivs_can_be_represented): Use it.
4019 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4021 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4022 graphite-max-bbs-per-function, and loop-block-tile-size.
4023 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4025 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4027 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4029 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4030 forward declaration.
4031 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4032 (add_upper_bounds_from_estimated_nit): New.
4033 (build_loop_iteration_domains): Use it.
4035 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4037 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4039 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4042 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4043 should be an INTEGER_CST. Also handle CASE_CONVERT.
4045 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4047 * graphite.c (graphite_initialize): To bound the number of bbs per
4048 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4049 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4050 * doc/invoke.texi: Document it.
4052 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4054 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4055 * graphite-sese-to-poly.h (build_poly_scop): Same.
4057 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4059 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4060 the number of parameters in the scop. Use as an upper bound
4061 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4062 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4063 * doc/invoke.texi: Document it.
4065 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4067 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4068 * doc/c-tree.texi: Remove.
4069 * doc/generic.texi: Merge c-tree.texi here.
4070 * doc/gccint.texi (Trees): Remove menu entry.
4071 (c-tree.texi): Remove @include.
4072 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4073 * doc/languages.texi (Reading RTL): Ditto.
4075 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4078 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4080 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4083 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4084 code added to work around reload clobbering CONST insns.
4086 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4088 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4089 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4090 (cselib_preserve_only_values): Remove retain argument, don't
4091 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4092 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4093 * var-tracking.c (micro_operation): Move insn field before union.
4094 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4095 (struct variable_tracking_info_def): Remove n_mos field, change
4096 mos into a vector of micro_operations.
4097 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4098 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4099 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4100 changing into a vector.
4101 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4102 come before all other uops generated by add_stores.
4103 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4105 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4106 a vector. Run just one pass over the bbs instead of separate counting
4107 and computation phase.
4108 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4111 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4112 into *nonlocalized_list vector.
4113 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4114 even if origin is non-NULL.
4115 (gen_variable_die): Likewise.
4116 (process_scope_var): Don't change origin.
4117 (gen_decl_die): Likewise.
4118 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4119 before adding new edges instead of after it, fix moving over
4122 2010-03-11 David S. Miller <davem@davemloft.net>
4124 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4126 * configure: Rebuild.
4128 2010-03-11 Martin Jambor <mjambor@suse.cz>
4130 PR tree-optimization/43257
4131 * tree.c (assign_assembler_name_if_neeeded): New function.
4132 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4134 * tree.h (assign_assembler_name_if_neeeded): Declare.
4135 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4136 the function if needed.
4138 2010-03-11 Chris Demetriou <cgd@google.com>
4140 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4141 include/stdint-gcc.h, and include/stdint.h world-readable.
4143 2010-03-11 Richard Guenther <rguenther@suse.de>
4145 PR tree-optimization/43255
4146 * tree-vrp.c (process_assert_insertions_for): Do not insert
4147 asserts for trivial conditions.
4149 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4151 PR tree-optimization/43280
4152 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4153 generation. Move calculation of size out of the if branch.
4154 (find_bswap): Modify compare number generation.
4156 2010-03-11 Richard Guenther <rguenther@suse.de>
4159 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4160 (input_gimple_stmt): Fixup handled component types during
4161 operand read. Also fix up decls in ADDR_EXPRs.
4163 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4165 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4166 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4168 2010-03-10 Jan Hubicka <jh@suse.cz>
4171 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4172 * varasm.c (get_variable_section): Don't do that here...
4173 (make_decl_rtl): ... and here.
4174 (do_assemble_alias): Produce decl RTL.
4175 (assemble_alias): Likewise.
4177 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4180 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4181 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4183 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4184 (based_loc_descr): Only express drap or vdrap regno based expressions
4185 using DW_OP_fbreg when not optimizing.
4186 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4187 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4188 REG_CFA_SET_VDRAP note.
4190 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4192 PR tree-optimization/43236
4193 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4194 error in calculation of base address in reverse iteration case.
4195 (generate_builtin): Take number of latch executions if the statement
4198 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4201 * tree-eh.c: Include pointer-set.h.
4202 (lower_eh_dispatch): Filter out duplicate case labels and
4203 remove the unneeded edge when the label is unused. Return
4204 true when some edges are removed.
4205 (execute_lower_eh_dispatch): When any lowering resulted in
4206 removing an edge, also delete unreachable blocks.
4208 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4211 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4212 UNSPEC_MACHOPIC_OFFSET.
4214 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4217 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4218 (m68k_delegitimize_address): New function.
4220 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4223 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4226 * var-tracking.c (adjust_sets): New function.
4227 (count_with_sets, add_with_sets): Use it.
4228 (get_adjusted_src): New inline function.
4229 (add_stores): Use it.
4232 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4233 call cselib_dummy_expand_value_rtx_cb instead of
4234 cselib_expand_value_rtx_cb.
4237 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4238 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4239 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4240 and .cfi_endproc around the pic thunks.
4241 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4242 all queued unwind info register saves are saved before the call.
4243 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4244 considered as sp-=4 for unwind info and the pop as sp+=4 which
4245 also clobbers dest, but doesn't actually restore it.
4248 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4249 RTX_FRAME_RELATED_P.
4251 2010-03-09 Jie Zhang <jie@codesourcery.com>
4253 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4254 whitespaces in output template.
4256 2010-03-09 Jie Zhang <jie@codesourcery.com>
4258 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4261 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4263 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4264 builtins.exp in a separate job.
4266 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4268 * graphite-sese-to-poly.c (add_param_constraints): Use
4269 lower_bound_in_type and upper_bound_in_type.
4271 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4273 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4274 instead of unsigned_type_node.
4276 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4277 Reza Yazdani <reza.yazdani@amd.com>
4280 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4281 on pointer type parameters.
4283 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4287 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4288 handle conversions from pointer to integers.
4289 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4290 induction variable, to be able to work with code generated by CLooG.
4291 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4292 (build_poly_scop): Bail out if we cannot codegen a loop.
4294 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4296 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4297 code generation with gloog_error.
4299 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4301 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4302 Call fold_convert on all the returned values.
4303 (expand_scalar_variables_expr): Pass to
4304 expand_scalar_variables_ssa_name the type of the resulting expression.
4306 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4308 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4309 ppl_min_for_le_pointset.
4310 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4311 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4313 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4315 * graphite-dependences.c (map_into_dep_poly): Removed.
4316 (dependence_polyhedron_1): Use combine_context_id_scat.
4318 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4320 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4321 (struct poly_bb): Same.
4322 (combine_context_id_scat): New.
4324 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4327 * sese.c (name_defined_in_loop_p): Return false for default
4330 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4332 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4333 and clean up the logic.
4335 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4337 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4340 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4342 * var-tracking.c (remove_cselib_value_chains): Define only for
4344 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4345 delete_slot_part, emit_notes_for_differences_1): Don't call
4346 remove_cselib_value_chains here.
4347 (set_slot_part, emit_notes_for_differences_2): Don't call
4348 add_cselib_value_chains here.
4349 (preserved_values): New vector.
4350 (preserve_value): New function.
4351 (add_uses, add_stores, vt_add_function_parameters): Use it
4352 instead of cselib_preserve_value.
4353 (changed_values_stack): New vector.
4354 (check_changed_vars_0): New function.
4355 (check_changed_vars_1, check_changed_vars_2): Use it.
4356 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4357 changed_values_stack VALUEs.
4358 (vt_emit_notes): For all preserved_values call
4359 add_cselib_value_chains. If ENABLE_CHECKING call
4360 remove_cselib_value_chains before verifying value_chains is empty.
4361 Initialize and free changed_values_stack.
4362 (vt_initialize): Initialize preserved_values.
4363 (vt_finalize): Free preserved_values.
4365 2010-03-08 Richard Guenther <rguenther@suse.de>
4367 PR tree-optimization/43269
4368 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4371 2010-03-08 Martin Jambor <mjambor@suse.cz>
4373 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4374 (ipa_is_param_called): Removed.
4375 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4376 (ipa_print_node_params): Do not print the called flag.
4377 (ipa_write_node_info): Do not stream the called flag.
4378 (ipa_read_node_info): Likewise.
4380 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4383 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4384 * cselib.c (struct expand_value_data): Add dummy field.
4385 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4387 (cselib_dummy_expand_value_rtx_cb): New function.
4388 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4390 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4391 * var-tracking.c: Include pointer-set.h.
4392 (variable): Change n_var_parts to char from int. Add
4393 cur_loc_changed and in_changed_variables fields.
4394 (variable_canonicalize): Remove.
4395 (shared_var_p): New inline function.
4396 (unshare_variable): Maintain cur_loc_changed and
4397 in_changed_variables fields. If var was in changed_variables,
4398 replace it there with new_var. Just copy cur_loc instead of
4399 resetting it to something else.
4400 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4401 (dataflow_set_union): Don't call variable_canonicalize.
4402 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4403 of their DEBUG_EXPR_TREE_DECLs.
4404 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4405 and in_changed_variables and cur_loc_changed is false.
4406 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4407 and cur_loc_changed. Don't update cur_loc here.
4408 (variable_merge_over_src): Don't call variable_canonicalize.
4409 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4410 removing loc that is equal to cur_loc, clear cur_loc,
4411 set cur_loc_changed and ensure variable_was_changed is called.
4412 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4413 compare pointers in cur_loc check, if it is equal to loc,
4414 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4415 (variable_different_p): Remove compare_current_location argument,
4416 don't compare cur_loc.
4417 (dataflow_set_different_1): Adjust variable_different_p caller.
4418 (variable_was_changed): If dv had some var in changed_variables
4419 already, reset in_changed_variables flag for it and propagate
4420 cur_loc_changed over to the new variable. On empty var
4421 always set cur_loc_changed. Set in_changed_variables on whatever
4422 var is added to changed_variables.
4423 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4424 Use shared_var_p. When removing loc that is equal to cur_loc,
4425 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4426 end, don't set it to something else, just call variable_was_changed.
4427 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4428 loc being removed, clear cur_loc and set cur_loc_changed.
4429 Set cur_loc_changed if all locations have been removed.
4430 (struct expand_loc_callback_data): New type.
4431 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4432 allocated. Always create SUBREGs if simplify_subreg failed.
4433 Prefer to use cur_loc, when that fails and still in
4434 changed_variables (and seen first time) recompute it. Set
4435 cur_loc_changed of variables which had to change cur_loc and
4436 compute elcd->cur_loc_changed if any of the subexpressions used
4437 had to change cur_loc.
4438 (vt_expand_loc): Adjust to pass arguments in
4439 expand_loc_callback_data structure.
4440 (vt_expand_loc_dummy): New function.
4441 (emitted_notes): New variable.
4442 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4443 that weren't used for any other decl in current
4444 emit_notes_for_changes call call vt_expand_loc_dummy to update
4445 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4446 first loc_chain location if NULL before. Always use just
4447 cur_loc instead of first loc_chain location. When cur_loc_changed
4448 is false, when not --enable-checking=rtl just don't emit any note.
4449 When rtl checking, compute the note and assert it is the same
4450 as previous note. Clear cur_loc_changed and in_changed_variables
4451 at the end before removing from changed_variables.
4452 (check_changed_vars_3): New function.
4453 (emit_notes_for_changes): Traverse changed_vars to call
4454 check_changed_vars_3 on each changed var.
4455 (emit_notes_for_differences_1): Clear cur_loc_changed and
4456 in_changed_variables. Recompute cur_loc of new_var.
4457 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4458 (vt_emit_notes): Initialize and destroy emitted_notes.
4460 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4462 PR rtl-optimization/42220
4463 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4464 Use verify_reg_tracked to determine if we should use OP_OUT rather
4466 (build_def_use): If we see an in-out operand for a register that we
4467 know nothing about, treat is an output if possible, fail the block if
4470 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4473 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4476 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4479 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4480 uses of relevant DEFs that are dead outside the loop too.
4482 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4484 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4486 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4488 * var-tracking.c (values_to_unmark): New variable.
4489 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4490 values_to_unmark vector. Moved body to...
4491 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4492 instead queue it into values_to_unmark vector.
4493 (vt_find_locations): Free values_to_unmark vector.
4495 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4497 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4498 (site.exp): Export them when plugins are enabled.
4500 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4503 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4505 (chrec_fold_multiply): Same.
4507 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4510 * c-decl.c (build_compound_literal): Return early if init is
4513 2010-03-04 Martin Jambor <mjambor@suse.cz>
4515 PR tree-optimization/43164
4516 PR tree-optimization/43191
4517 * tree-sra.c (type_consists_of_records_p): Reject records with
4518 zero-size bit-fields at the end.
4520 2010-03-04 Mike Stump <mikestump@comcast.net>
4522 * Makefile.in (TAGS): Remove *.y.
4524 2010-03-04 Richard Guenther <rguenther@suse.de>
4526 PR tree-optimization/40761
4527 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4529 (my_rev_post_order_compute): New function.
4530 (init_pre): Call it.
4532 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4535 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4536 decrease the cost of an IV candidate when the cost is infinite.
4538 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4540 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4541 Use '3DNow!' for the extension of that name, ensure normal space
4543 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4545 2010-03-03 Jeff Law <law@redhat.com>
4547 * PR middle-end/32693
4548 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4549 than gen_rtx_SUBREG.
4550 (extract_bit_field_1): Likewise.
4552 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4554 * doc/sourcebuild.texi (Test directives): Document that arguments
4555 include-opts and exclude-opts are now optional for dg-skip-if,
4556 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4558 2010-03-03 Jason Merrill <jason@redhat.com>
4561 * cgraph.h (varpool_node): Add extra_name field.
4562 * varpool.c (varpool_extra_name_alias): New.
4563 (varpool_assemble_decl): Emit extra name aliases.
4564 (varpool_mark_needed_node): Look past an extra name alias.
4565 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4566 * lto-streamer-in.c (lto_input_tree): Read it.
4567 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4569 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4571 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4572 (sparc*-*-solaris2*): ...this.
4574 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4577 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4578 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4579 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4580 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4583 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4584 fallthrough to default handling, just with want_address 0 instead of 2.
4585 For single element lists, add_AT_loc directly, otherwise create an
4586 artificial variable DIE and stick location list to it.
4589 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4590 (VAL_EXPR_HAS_REVERSE): Define.
4591 (reverse_op): New function.
4592 (add_stores): For reversible operations add an extra MO_VAL_USE.
4594 2010-03-02 Jason Merrill <jason@redhat.com>
4596 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4598 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4600 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4601 (sparc64-*-linux*): Likewise.
4602 (sparc64-*-solaris2*): Include assembler files before linker ones.
4603 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4604 * config/sparc/gas.h: Delete.
4605 * config/sparc/sol2-64.h: Add copyright notice.
4606 * config/sparc/sol2-gas-bi.h: Likewise.
4607 * config/sparc/sol2-gld.h: Likewise.
4608 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4609 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4610 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4611 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4612 (sparc_elf_asm_named_section): Rename into...
4613 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4615 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4617 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4619 2010-03-02 Jeff Law <law@redhat.com>
4622 * reload1.c (rtx_p, substitute_stack): Declare.
4623 (substitute): Record addresses of changed rtxs.
4624 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4625 Restore the original rtx when complete.
4626 (reload): Free subsitute_stack when complete.
4628 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4630 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4631 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4633 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4634 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4635 Torture Tests): Change from subsection to section.
4637 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4638 Steven Bosscher <steven@gcc.gnu.org>
4640 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4643 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4646 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4647 the assignment from the new induction variable to the assignment
4648 of the value from the original loop PHI function.
4650 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4651 Daniel Jacobowitz <dan@codesourcery.com>
4653 * doc/sourcebuild.texi (Test directives): Clarify options to
4656 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4658 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4659 Disable cfi directives unless GCC and gas agree on using read-only
4660 .eh_frame sections for 64-bit.
4661 * configure: Regenerate.
4663 2010-03-01 Richard Guenther <rguenther@suse.de>
4665 PR tree-optimization/43220
4666 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4667 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4669 2010-03-01 Richard Guenther <rguenther@suse.de>
4670 Martin Jambor <mjambor@suse.cz>
4673 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4674 gimplified parameters.
4676 2010-03-01 Christian Bruel <christian.bruel@st.com>
4678 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4680 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4682 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4684 2010-03-01 Richard Guenther <rguenther@suse.de>
4687 * expr.c (expand_assignment): Use the alias-oracle to tell
4688 if the rhs aliases the result decl.
4690 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4693 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4694 to sol_gt_pch_get_address.
4695 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4696 64-bit, SPARC and x86.
4697 (sol_gt_pch_get_address): New function.
4699 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4701 * toplev.h (inform_n, error_n): Declare.
4702 * diagnostic.c (inform_n, error_n): New function.
4704 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4706 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4707 has no rtl yet when processing local_decls, queue it and recheck
4708 if deferred stack allocation hasn't assigned it rtl.
4710 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4712 * config/sh/sh.c (unspec_bbr_uid): New.
4713 (gen_block_redirect): Use it instead of INSN_UID.
4714 (gen_far_branch): Likewise.
4716 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4718 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4719 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4721 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4723 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4724 (Warning Options): -Wno-conversion-null is valid for
4725 Objective-C++ as well.
4726 * doc/tm.texi (Named Address Spaces): Likewise.
4727 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4728 * doc/tree-ssa.texi (Tree SSA): Likewise.
4730 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4733 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4734 by default. Don't set the default arch for
4735 i[34567]86-*-darwin*|x86_64-*-darwin*.
4737 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4740 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4741 default. Set the default 32bit/64bit archs with $with_arch
4742 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4744 2010-02-27 Richard Guenther <rguenther@suse.de>
4746 PR tree-optimization/43186
4747 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4748 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4749 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4750 unroller iterations.
4752 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4754 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4755 required and i[34567]86-*-* targets don't support 64bit ISA.
4757 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4760 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4763 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4765 * config.gcc: Set the default arch at least to Prescott for
4766 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4767 if SSE math is enabled.
4769 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4771 * diagnostic.c (diagnostic_initialize): Update.
4772 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4774 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4775 (diagnostic_inhibit_notes): New.
4776 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4778 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4781 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4782 * doc/standards.texi: Likewise.
4783 * doc/extend.texi: Likewise.
4784 * doc/trouble.texi: Likewise.
4785 * doc/cppopts.texi: Likewise.
4786 * doc/install.texi: Likewise.
4787 * c.opt (std=c90,std=gnu90): New options.
4788 * c-opts.c (c_common_handle_option): Handle them.
4790 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4793 * c-decl.c (undeclared_variable): Use an informative note.
4795 2010-02-26 Richard Guenther <rguenther@suse.de>
4797 PR tree-optimization/43186
4798 * gimple.h (gimple_fold): Remove.
4799 * gimple.c (gimple_fold): Remove. Inline into single user ...
4800 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4801 Try harder for conditions.
4803 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4806 * function.c (used_types_insert): Don't skip through named pointer
4807 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4808 and it is different from the main variant's type.
4810 2010-02-26 Nick Clifton <nickc@redhat.com>
4812 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4814 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4816 * config.gcc: Support --with-fpmath=sse for x86.
4818 * config/i386/ssemath.h: New.
4820 * doc/install.texi (--with-fpmath=sse): Documented.
4822 2010-02-26 Richard Guenther <rguenther@suse.de>
4824 PR tree-optimization/43188
4825 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4826 vector types of over-aligned element type.
4828 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4831 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4832 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4834 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4836 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4838 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4840 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4841 * var-tracking.c: Include diagnostic.h.
4842 (debug_dv): New function.
4843 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4846 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4847 (add_value_chain, add_value_chains, remove_value_chain,
4848 remove_value_chains): Handle DEBUG_EXPRs.
4849 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4852 * regcprop.c (struct queued_debug_insn_change): New type.
4853 (struct value_data_entry): Add debug_insn_changes field.
4854 (struct value_data): Add n_debug_insn_changes field.
4855 (debug_insn_changes_pool): New variable.
4856 (free_debug_insn_changes, apply_debug_insn_changes,
4857 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4858 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4859 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4861 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4863 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4864 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4865 changes, call cprop_find_used_regs via note_stores.
4866 (copyprop_hardreg_forward): When copying vd from predecessor
4867 which has any queued DEBUG_INSN changes, make sure the pointers are
4868 cleared. At the end call df_analyze and then if there are any
4869 DEBUG_INSN changes queued at the end of some basic block for still
4870 live registers, apply them.
4871 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4873 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4875 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4878 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4880 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4881 targets. Set the default with_cpu/with_arch from arch/cpu.
4882 Allow x86-64 and native for with_cpu/with_arch.
4884 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4886 * ebitmap.c: Change calls to verify_popcount with calls to
4887 sbitmap_verify_popcount.
4888 (ebitmap_clear_bit): Fixed map->cacheindex test and
4889 map>cache update when bit clearing results in an empty
4892 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4895 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4896 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4897 and support both V2DF and V2DI modes.
4898 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4899 support both V2DF and V2DI modes.
4900 (general): Delete trailing whitespace from a few patterns.
4902 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4903 V2DF/V2DI interleave high/low builtins.
4905 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4908 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4909 interleave high/low functions.
4911 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4913 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4914 #pragma extern_prefix.
4916 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4919 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4920 BLKmode, assert op0 is a MEM and just adjust its mode.
4923 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4924 if bitpos isn't multiple of mode's bitsize.
4926 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4928 * c.opt (-ftemplate-depth=): New.
4929 (-ftemplate-depth-): Deprecate.
4930 * optc-gen.awk: Handle -ftemplate-depth=.
4931 * opth-gen.awk: Likewise.
4932 * c-opts.c (c_common_handle_option): Likewise.
4933 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4935 2010-02-24 Jason Merrill <jason@redhat.com>
4937 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4939 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4941 * cfg.c (alloc_aux_for_block): Remove inline.
4942 (alloc_aux_for_edge): Likewise.
4944 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4946 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4948 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4950 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4951 * config/i386/sol2-gas.h: New file.
4952 * config.gcc (i[34567]86-*-solaris2*): Use it.
4954 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4957 * c-typeck.c (ep_convert_and_check): New.
4958 (build_conditional_expr): Use it.
4959 (build_binary_op): Likewise.
4961 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4963 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4966 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4967 bounds even for -O+.
4968 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4969 expr needs to have DECL_NAME set.
4971 2010-02-24 Nick Clifton <nickc@redhat.com>
4973 * config/mep/mep.c: Include gimple.h.
4974 (mep_function_uses_sp): Delete unused function.
4975 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4976 parameters. Use unsigned integers to count args. Return a
4977 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4979 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4982 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4983 greater or equal to nelt instead of 2 * nelt.
4984 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4987 2010-02-23 Jason Merrill <jason@redhat.com>
4990 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4991 in cfun->local_decls even if they have register types.
4994 * stor-layout.c (place_field): Don't warn about unnecessary
4995 DECL_PACKED if the type is packed.
4997 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5000 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5001 GOTOFF relocs, even when the base reg isn't pic pointer.
5003 2010-02-23 Michael Matz <matz@suse.de>
5006 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5007 (expand_gimple_basic_block): Generate and use debug temps if there
5008 are debug uses left after the last real use of TERed ssa names.
5009 Unlink debug immediate uses when they are expanded.
5011 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5014 * config/i386/i386.c (override_options): Reorganise to provide
5015 better error messages.
5017 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5020 * graphite-scop-detection.c (create_single_exit_edge): Move
5021 the call to find_single_exit_edge to....
5022 (create_sese_edges): ...here. Don't handle multiple edges
5023 exiting the function.
5024 (build_graphite_scops): Don't handle multiple edges
5025 exiting the function.
5027 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5030 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5031 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5033 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5036 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5038 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5041 * c-typeck.c (convert_arguments): Print declaration location.
5042 * c-common.c (validate_nargs): Rename as
5043 builtin_function_validate_nargs.
5044 (check_builtin_function_arguments): Update.
5046 2010-02-22 Richard Guenther <rguenther@suse.de>
5049 * tree-inline.c (declare_return_variable): Use the type of
5050 the call stmt lhs if available.
5052 2010-02-22 Duncan Sands <baldrick@free.fr>
5054 * passes.c (register_pass): Always consider all pass lists when
5055 ref_pass_instance_number is zero.
5057 2010-02-22 Richard Guenther <rguenther@suse.de>
5059 PR tree-optimization/42749
5060 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5061 parameter. Do arithmetic in the original type.
5062 (update_accumulator_with_ops): Likewise.
5063 (adjust_accumulator_values): Adjust.
5065 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5067 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5068 (QI to BLKmode splitter): New splitter.
5070 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5072 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5073 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5075 2010-02-22 Richard Guenther <rguenther@suse.de>
5077 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5079 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5081 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5082 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5083 ($(T)crti.o, $(T)crtn.o): Remove rules.
5085 2010-02-21 Tobias Burnus <burnus@net-b.de>
5088 * doc/invoke.texi (-fassociative-math): Document that this
5089 option is automatically enabled for Fortran.
5091 2010-02-20 David S. Miller <davem@davemloft.net>
5093 * configure.ac: Test if linker and assembler properly support
5094 GOTDATA_OP relocations.
5095 * configure: Rebuild.
5096 * config.in: Likewise.
5097 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5098 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5099 (movsi_high_pic): Likewise.
5100 (movdi_lo_sum_pic): Likewise.
5101 (movdi_high_pic): Likewise.
5102 (movsi_pic_gotdata_op): New pattern.
5103 (movdi_pic_gotdata_op): Likewise.
5104 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5105 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5107 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5110 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5111 attribute to ssemul.
5112 (xop_mulv2div2di3_high): Ditto.
5114 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5117 * c.opt (Wconversion-null): New option.
5118 * doc/invoke.texi (Wconversion-null): Document.
5120 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5122 * common.opt (Wlarger-than-): Add Undocumented.
5124 2010-02-19 Mike Stump <mikestump@comcast.net>
5126 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5128 2010-02-19 Jason Merrill <jason@redhat.com>
5131 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5132 * configure: Likewise.
5134 2010-02-20 Alan Modra <amodra@gmail.com>
5137 * cgraph.h (cgraph_make_decl_local): Declare.
5138 * cgraph.c (cgraph_make_decl_local): New function.
5139 (cgraph_make_node_local): Use it.
5140 * cgraphunit.c (cgraph_function_versioning): Likewise.
5141 * ipa.c (function_and_variable_visibility): Likewise.
5143 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5146 * except.c (sjlj_emit_function_enter): Don't call
5147 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5149 * rtl.h (add_reg_br_prob_note): Remove prototype.
5151 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5154 * c-common.c (conversion_warning): Remove widening conversions
5155 before checking the conversion of integers to reals.
5157 2010-02-19 Mike Stump <mikestump@comcast.net>
5160 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5163 * cgraphunit.c (process_function_and_variable_attributes): Check
5164 DECL_PRESERVE_P instead of looking up attribute "used".
5165 * ipa-pure-const.c (check_decl): Likewise.
5166 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5167 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5168 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5169 instead of attribute "used".
5170 * config/sol2-c.c (solaris_pragma_init): Likewise.
5171 (solaris_pragma_fini): Likewise.
5173 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5175 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5176 Use XCNEW instead of xcalloc.
5177 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5178 XNEW instead of xmalloc.
5179 (get_fields): Use XNEWVEC instead of xmalloc.
5182 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5183 populate vars array.
5184 (create_new_general_access): For debug stmts just reset value.
5185 (get_stmt_accesses): For accesses within debug stmts just record them
5186 using add_access_to_acc_sites instead of preventing the peeling or
5187 counting them as accesses.
5190 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5192 2010-02-19 Richard Guenther <rguenther@suse.de>
5194 PR tree-optimization/42916
5195 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5198 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5200 * configure.ac: Replace all uses of changequote in macro arguments
5201 with proper quoting.
5203 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5206 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5208 2010-02-19 Richard Guenther <rguenther@suse.de>
5210 PR tree-optimization/42944
5211 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5212 test for aliasing with errno.
5214 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5217 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5218 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5219 * dojump.c: Include output.h.
5220 (inv): New inline function.
5221 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5222 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5223 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5224 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5225 argument, pass it down to other calls.
5226 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5227 add REG_BR_PROB note to the conditional jump.
5228 * cfgexpand.c (add_reg_br_prob_note): Removed.
5229 (expand_gimple_cond): Don't call it, add the probability
5230 as last argument to jumpif_1/jumpifnot_1.
5231 * Makefile.in (dojump.o): Depend on output.h.
5232 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5234 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5235 * stmt.c (do_jump_if_equal): Likewise.
5236 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5237 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5238 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5240 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5241 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5242 jumpifnot_1 callers.
5243 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5245 (store_expr): Adjust jumpifnot caller.
5246 (store_constructor): Adjust jumpif caller.
5249 * gimplify.c (gimple_boolify): For __builtin_expect call
5250 gimple_boolify also on its first argument.
5252 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5254 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5256 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5257 * configure: Regenerated.
5259 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5261 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5262 lang_hooks.types_compatible_p instead of comptypes.
5264 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5266 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5267 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5268 if __prefer_thumb__ is defined.
5270 2010-02-18 Martin Jambor <mjambor@suse.cz>
5272 PR tree-optimization/43066
5273 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5274 array with zero-sized element type.
5276 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5278 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5279 rtx, allocate struct var_loc_node here and return it to the
5280 caller, and only if it is actually needed.
5281 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5282 move it earlier and return immediately if it returns NULL.
5284 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5286 * config/sparc/gas.h: New file. Restore
5287 TARGET_ASM_NAMED_SECTION to its ELF default.
5288 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5290 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5291 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5292 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5293 after sparc/sysv4.h.
5295 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5297 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5299 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5301 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5302 patterns from predicated pattern.
5304 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5307 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5308 for insn mnemonic suffix.
5310 2010-02-17 Richard Guenther <rguenther@suse.de>
5312 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5315 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5318 * caller-save.c (save_call_clobbered_regs): If BB ends with
5319 a DEBUG_INSN, move any notes in between last real insn and the last
5320 DEBUG_INSN after the last DEBUG_INSN.
5322 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5324 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5325 Fix return type. Fix argument type. Explain meaning of return value.
5327 2010-02-16 Richard Guenther <rguenther@suse.de>
5329 PR tree-optimization/41043
5330 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5331 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5333 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5335 2010-02-16 Ira Rosen <irar@il.ibm.com>
5337 PR tree-optimization/43074
5338 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5339 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5340 vectorizable cycles in hybrid SLP check.
5341 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5343 2010-02-16 Richard Guenther <rguenther@suse.de>
5345 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5346 (true_dependence): If memrefs_conflict_p computes must-alias
5347 trust it. Move TBAA check after offset-based disambiguation.
5348 (canon_true_dependence): Likewise.
5350 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5352 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5353 * doc/invoke.texi: Document it.
5354 * var-tracking.c: Include toplev.h and params.h.
5355 (vt_find_locations): Return bool indicating success. Compute
5356 hash sizes unconditionally. Check new parameter, report.
5357 (variable_tracking_main_1): Check vt_find_locations results and
5358 retry. Renamed from...
5359 (variable_tracking_main): ... this. New wrapper to preserve
5360 flag_var_tracking_assignments.
5361 * Makefile.in (var-tracking.o): Adjust dependencies.
5363 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5364 Jakub Jelinek <jakub@redhat.com>
5367 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5368 if weak_import attribute is present.
5369 * config/darwin.c (machopic_select_section): Likewise.
5371 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5373 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5374 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5375 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5376 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5378 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5381 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5384 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5385 Rewrite text to refer to the names.
5387 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5389 * config/i386/i386-builtin-types.def
5390 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5391 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5392 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5393 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5394 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5395 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5396 IX86_BUILTIN_VPERMIL2PS256.
5397 (MULTI_ARG_4_DF2_DI_I): Defined.
5398 (MULTI_ARG_4_DF2_DI_I1): Defined.
5399 (MULTI_ARG_4_SF2_SI_I): Defined.
5400 (MULTI_ARG_4_SF2_SI_I1): Defined.
5401 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5402 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5403 __builtin_ia32_vpermil2ps256.
5404 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5405 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5406 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5407 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5408 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5409 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5410 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5411 CODE_FOR_xop_vpermil2v8sf3.
5412 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5413 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5414 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5415 (_mm256_permute2_pd): New.
5416 (_mm_permute2_ps): New.
5417 (_mm256_permute2_ps): New.
5419 2010-02-15 Nick Clifton <nickc@redhat.com>
5421 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5422 boolean parameters. Use emit_jump_insn when emitting a pop
5423 instruction containing a return insn.
5424 (push): Use 'true' rather than '1' as second parameter to F.
5425 (h8300_expand_prologue): Likewise.
5426 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5427 (h8300_expand_epilogue): Likewise.
5429 2010-02-15 Richard Guenther <rguenther@suse.de>
5432 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5435 2010-02-15 Nick Clifton <nickc@redhat.com>
5437 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5440 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5442 * intl.c (fake_ngettext): New function.
5443 * intl.h (fake_ngettext): Declare.
5444 (ngettext): Define macro.
5445 * collect2.c (notice_translated): New function.
5446 (main): Use notice_translated and ngettext.
5447 * collect2.h (notice_translated): Declare.
5449 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5451 * reorg.c (delete_computation): Comment fixes.
5452 * caller-save.c (setup_save_areas): Idem.
5453 * sel-sched-dump.c (dump_lv_set): Idem.
5456 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5458 * config/s390/s390.c (s390_sched_init): New function.
5459 (TARGET_SCHED_INIT): Target hook defined.
5461 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5462 Jack Howarth <howarth@bromo.med.uc.edu>
5463 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5466 Partial revert of unintended change in fix for PR41605.
5467 * config/darwin.h: Fix typo.
5468 * config/darwin9.h: Same.
5470 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5472 * c-pch.c (pch_init): Clear v.
5474 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5477 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5478 graphite_can_represent_init for MULT_EXPR.
5480 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5484 * graphite-sese-to-poly.c (remove_phi): New.
5485 (translate_scalar_reduction_to_array): Call remove_phi.
5487 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5490 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5491 * graphite-clast-to-gimple.h (gloog): Update declaration.
5492 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5493 * graphite-poly.h (struct poly_bb): Add missing comments.
5494 (struct scop): Add poly_scop_p field.
5496 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5497 * graphite.c (graphite_transform_loops): Build the polyhedral
5498 representation for each scop before code generation.
5499 * sese.c (rename_variables_in_operand): Removed.
5500 (rename_variables_in_expr): Return the renamed expression.
5501 (rename_sese_parameters): New.
5502 * sese.h (rename_sese_parameters): Declared.
5504 2010-02-11 Richard Guenther <rguenther@suse.de>
5506 PR tree-optimization/42998
5507 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5508 POINTER_PLUS_EXPR properly.
5510 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5511 Changpeng Fang <changpeng.fang@amd.com>
5514 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5515 the cost of an IV candidate when the IV is used in a test against zero.
5517 * gcc.dg/tree-ssa/ivopts-3.c: New.
5519 2010-02-11 Richard Guenther <rguenther@suse.de>
5522 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5523 pointer-vs-decl case by swapping refs. Handle some cases
5524 of pointer-vs-decl disambiguations more conservatively.
5525 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5526 to false after expanding.
5528 2010-02-11 Richard Guenther <rguenther@suse.de>
5531 * gcc.c (process_command): Handle LTO file@offset case more
5534 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5536 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5537 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5539 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5541 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5542 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5543 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5544 Optimize eq/ne comparisons when both arguments are known to be
5546 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5547 Don't mask operands unnecessarily if they are known to be already
5550 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5552 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5555 2010-02-10 Richard Guenther <rguenther@suse.de>
5557 PR tree-optimization/43017
5558 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5559 for wrapping signed arithmetic.
5561 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5564 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5565 if no debug info should be emitted for it.
5567 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5569 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5570 note when flag_exceptions is set.
5572 2010-02-10 Duncan Sands <baldrick@free.fr>
5574 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5576 2010-02-10 Richard Guenther <rguenther@suse.de>
5579 * tree.c (get_unwidened): Handle constants.
5580 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5582 2010-02-10 Martin Jambor <mjambor@suse.cz>
5585 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5586 check for variable argument counts independently.
5588 2010-02-10 Christian Bruel <christian.bruel@st.com>
5591 * config/sh/sh.c (find_barrier): Increase length for non delayed
5592 conditional branches.
5594 2010-02-10 Christian Bruel <christian.bruel@st.com>
5596 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5598 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5600 * builtins.c (set_builtin_user_assembler_name): Also handle
5601 ffs if int is smaller than word.
5603 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5606 * ira-conflicts.c (get_dup): Remove.
5607 (process_reg_shuffles): Add new parameter. Use it as an
5608 additional guard for copy generation.
5609 (add_insn_allocno_copies): Rewrite.
5611 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5613 * common.opt (fsched2-use-traces): Preserved for backward
5615 * doc/invoke.texi: Remove the documentation about option
5616 -fsched2-use-traces.
5617 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5618 flag_sched2_use_traces.
5619 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5620 the backward compatibility flag section.
5622 2010-02-09 Richard Guenther <rguenther@suse.de>
5624 PR tree-optimization/43008
5625 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5626 make HEAP variables initialized from global memory if they
5627 are not known builtin functions.
5628 (find_func_aliases): Adjust.
5630 2010-02-09 Richard Guenther <rguenther@suse.de>
5632 PR tree-optimization/43000
5633 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5634 arithmetic manually.
5636 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5638 PR tree-optimization/42931
5639 * tree-loop-linear.c (try_interchange_loops): Don't call
5640 double_int_mul if estimated_loop_iterations failed.
5642 2010-02-08 Martin Jambor <mjambor@suse.cz>
5645 * tree-sra.c (build_accesses_from_assign): Do not mark in
5646 should_scalarize_away_bitmap if stmt has volatile ops.
5647 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5650 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5652 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5654 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5656 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5659 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5662 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5664 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5667 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5668 to unknown_dependence.
5669 (graphite_legal_transform_dr): Handle the unknown_dependence.
5670 (graphite_carried_dependence_level_k): Same.
5672 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5674 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5676 2010-02-07 Richard Guenther <rguenther@suse.de>
5679 * expr.c (get_inner_reference): Always initialize *pbitsize.
5681 2010-02-07 Richard Guenther <rguenther@suse.de>
5684 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5685 new ARRAY_REFs on variable size element or minimal index arrays.
5687 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5688 gimple_fold_indirect_ref.
5690 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5693 * arm.c (arm_override_options): Just return if the user has specified
5694 an invalid fpu name.
5696 2010-02-03 Jason Merrill <jason@redhat.com>
5699 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5700 i386_pe_maybe_record_exported_symbol.
5702 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5705 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5706 (pa_delegitimize_address): New function.
5708 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5710 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5711 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5713 2010-02-05 Richard Guenther <rguenther@suse.de>
5716 * lto-streamer-in.c (get_resolution): Deal with references
5717 to undefined functions.
5719 2010-02-05 Richard Guenther <rguenther@suse.de>
5721 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5722 (fold_const_aggregate_ref): Likewise.
5723 (ccp_fold_stmt): Substitute loads.
5724 (maybe_fold_reference): Verify types before substituting.
5726 (fold_gimple_assign): Unshare properly.
5727 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5729 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5731 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5732 for rs6000_gen_cell_microcode.
5734 2010-02-04 Richard Guenther <rguenther@suse.de>
5736 PR rtl-optimization/42952
5737 * dse.c (const_or_frame_p): Remove MEM handling.
5739 2010-02-04 Nick Clifton <nickc@redhat.com>
5741 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5742 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5743 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5744 (mn10300_asm_output_mi_thunk): New function.
5745 (mn10300_can_output_mu_thunk): New function.
5746 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5747 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5748 (FUNCTION_ARG): Delete incorrect comment.
5750 2010-02-03 Jason Merrill <jason@redhat.com>
5753 * fold-const.c (operand_equal_p): Handle erroneous types.
5755 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5757 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5759 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5761 PR rtl-optimization/42941
5762 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5765 2010-02-03 Jason Merrill <jason@redhat.com>
5768 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5770 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5773 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5774 (cselib_reset_table): Renamed from...
5775 (cselib_reset_table_with_next_value): ... this.
5776 (cselib_get_next_uid): Renamed from...
5777 (cselib_get_next_unknown_value): ... this.
5778 * cselib.c (next_uid): Renamed from...
5779 (next_unknown_value): ... this.
5780 (cselib_clear_table): Adjust.
5781 (cselib_reset_table): Adjust. Renamed from...
5782 (cselib_reset_table_with_next_value): ... this.
5783 (cselib_get_next_uid): Adjust. Renamed from...
5784 (cselib_get_next_unknown_value): ... this.
5785 (get_value_hash): Use hash.
5786 (cselib_hash_rtx): Likewise.
5787 (new_cselib_val): Adjust. Set and dump uid.
5788 (cselib_lookup_mem): Pass next_uid as hash.
5789 (cselib_subst_to_values): Likewise.
5790 (cselib_log_lookup): Dump uid.
5791 (cselib_lookup): Pass next_uid as hash. Adjust.
5792 (cselib_process_insn): Adjust.
5793 (cselib_init): Initialize next_uid.
5794 (cselib_finish): Adjust.
5795 (dump_cselib_table): Likewise.
5796 * dse.c (canon_address): Dump value uid.
5797 * print-rtl.c (print_rtx): Print value uid.
5798 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5800 (dv_uid): New function, sort of renamed from...
5801 (dv_htab_hash): ... this, reimplemented in terms of it and...
5802 (dv_uid2hash): ... this. New.
5803 (variable_htab_eq): Drop excess assertions.
5804 (tie_break_pointers): Removed.
5805 (canon_value_cmp): Compare uids.
5806 (variable_post_merge_New_vals): Print uids.
5807 (vt_add_function_parameters): Adjust.
5808 (vt_initialize): Reset table. Adjust.
5810 2010-02-03 Richard Guenther <rguenther@suse.de>
5812 PR tree-optimization/42944
5813 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5814 (call_may_clobber_ref_p_1): Likewise. Properly handle
5815 malloc and calloc clobbering errno.
5817 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5819 * doc/invoke.texi: Fix name of sched1 dump.
5821 * opts.c (decode_options): Set flag_tree_switch_conversion
5822 only conditionally on optimize >= 2.
5824 * gcse.c: Assorted comment fixes in pass description.
5826 2010-02-03 Anthony Green <green@moxielogic.com>
5828 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5829 nop padding in order to maintain alignment of storage location of
5830 target function address.
5831 (moxie_trampoline_init): Store target function address at newly
5833 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5835 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5837 2010-02-03 Richard Guenther <rguenther@suse.de>
5840 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5842 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5844 * config.gcc: Reenable check for obsolete targets.
5845 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5846 mips-sgi-irix6.[0-4]*.
5848 2010-02-02 Nick Clifton <nickc@redhat.com>
5850 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5851 constant size of 4 as being the same as 0.
5852 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5853 can take values in the range 0..4.
5855 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5858 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5859 as _darwin10_Unwind_FindEnclosingFunction().
5860 * libgcc-libsystem.ver: New.
5862 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5865 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5866 implicitly set registers.
5868 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5870 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5871 (arm_override_options): Allow automatic selection of the thread
5872 pointer register if thumb2.
5873 (legitimize_pic_address): Improve code sequences for Thumb2.
5874 (arm_call_tls_get_addr): Likewise.
5875 (legitimize_tls_address): Likewise.
5876 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5877 (pic_load_addr_32bit): ... this. New named pattern.
5878 * thumb2.md (pic_load_addr_thumb2): Delete.
5879 (pic_load_dot_plus_four): Delete.
5880 (tls_load_dot_plus_four): New named pattern.
5882 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5885 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5886 Document fix for TLS bug.
5888 2010-01-31 Richard Guenther <rguenther@suse.de>
5890 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5891 conservatively correct.
5893 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5897 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5899 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5901 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5903 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5905 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5907 * config.gcc: Adjust order of makefile fragments for mingw targets.
5909 2010-01-31 Richard Guenther <rguenther@suse.de>
5912 * gimplify.c (gimplify_init_constructor): For volatile LHS
5913 initialize a temporary.
5915 2010-01-31 Matthias Klose <doko@ubuntu.com>
5917 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5919 * configure: Regenerate.
5921 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5923 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5924 the same alias set and their sizes different constantness.
5925 (aliasing_component_refs_p): Revert 2009-10-24 change.
5927 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5929 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5932 2010-01-29 Richard Guenther <rguenther@suse.de>
5934 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5935 Assert we successfully updated the call.
5937 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5939 PR rtl-optimization/42889
5940 * df.h (df_set_bb_dirty_nonlr): New prototype.
5941 * df-core.c (df_set_bb_dirty_nonlr): New function.
5942 * df-scan.c (df_insn_rescan): Call it instead of
5943 df_set_bb_dirty for DEBUG_INSNs.
5945 2010-01-29 Richard Guenther <rguenther@suse.de>
5948 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5949 quadratic behavior in most cases.
5951 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5954 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5955 in the call to gen_x86_movsicc_0_m1.
5957 2010-01-28 Richard Guenther <rguenther@suse.de>
5959 PR tree-optimization/42871
5960 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5962 2010-01-28 Richard Guenther <rguenther@suse.de>
5964 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5965 into call arguments.
5967 2010-01-28 Richard Guenther <rguenther@suse.de>
5970 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5971 the forwarder if the destination is an EH landing pad.
5973 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5975 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5976 block list passed to gimple_duplicate_sese_tail.
5977 (parallelize_loops): Avoid parallelization when the function
5979 Avoid parallelization when the preheader is IRREDUCIBLE.
5980 Try to optimize when estimated_loop_iterations_int is unresolved.
5981 Add the loop's location to the dump file.
5982 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5983 (gimple_duplicate_sese_tail): Remove the check for the latch.
5984 Redirect nexits to the exit block.
5985 Remove handling of the incoming edges to the latch.
5986 Redirect the backedge from the copied latch to the exit bb.
5988 2010-01-28 Michael Matz <matz@suse.de>
5991 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5992 Wrap force_reg into a sequence, emit it before user.
5994 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5996 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5998 (arm_legacy_rev): Likewise.
5999 (thumb_legacy_rev): Likewise.
6001 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6003 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6004 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6005 on MEM's address failed, try avoid_constant_pool_reference and
6006 recurse if it returned something different.
6007 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6008 address, try avoid_constant_pool_reference and recurse if it
6009 returned something different.
6010 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6011 address and avoid_constant_pool_reference returned something
6012 different, don't set have_address.
6014 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6017 * var-tracking.c (val_store): Add modified argument, obey it.
6019 (count_uses): Move down logging of main.
6020 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6021 don't need resolution.
6022 (emit_notes_in_bb): Likewise.
6024 2010-01-27 Richard Guenther <rguenther@suse.de>
6027 * tree-inline.c (remap_decl): Delay remapping of SSA name
6028 default definitions until we need them.
6030 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6032 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6033 (rs6000_delegitimize_address): New function.
6035 * config/s390/s390.c (s390_delegitimize_address): Call
6036 delegitimize_mem_from_attrs.
6039 * tree-inline.c (cannot_copy_type_1): Removed.
6040 (copy_forbidden): Don't forbid copying of functions containing
6041 records/unions with variable length fields.
6043 2010-01-27 Christian Bruel <christian.bruel@st.com>
6047 * config/sh/sh.c (find_barrier): Increase length for non delayed
6048 conditional branches.
6050 2010-01-27 Matthias Klose <doko@ubuntu.com>
6052 * configure.ac (gnu-unique-object): Fix ldd version check.
6053 * configure: Regenerate.
6055 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6057 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6059 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6060 Test for HAVE_GNU_AS value.
6062 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6064 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6065 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6066 INT64_TYPE): Define.
6067 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6068 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6069 INT_LEAST64_TYPE): Define.
6070 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6071 UINT_LEAST64_TYPE): Define.
6072 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6073 INT_FAST64_TYPE): Define.
6074 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6075 UINT_FAST64_TYPE): Define.
6076 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6077 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6078 (SIG_ATOMIC_TYPE): Define.
6080 2010-01-26 Richard Guenther <rguenther@suse.de>
6082 * df-scan.c (df_scan_set_bb_info): Remove assert.
6083 (df_insn_rescan_debug_internal): Merge asserts.
6084 (df_install_ref): Likewise.
6085 (df_mark_reg): Use bitmap_set_range.
6086 (df_hard_reg_used_p): Remove assert.
6087 (df_hard_reg_used_count): Likewise.
6089 2010-01-26 Richard Guenther <rguenther@suse.de>
6091 PR rtl-optimization/42685
6092 * web.c (web_main): Ignore DEBUG_INSNs.
6094 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6096 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6098 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6099 Fix types of fndecl and arglist parameters.
6101 2010-01-26 Richard Guenther <rguenther@suse.de>
6104 * tree-eh.c (unsplit_eh): Skip debug insns.
6106 2010-01-26 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/42250
6109 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6111 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6114 * omp-low.c (expand_omp_sections): Only use single_pred if
6115 l2_bb is single_pred_p.
6117 2010-01-25 Christian Bruel <christian.bruel@st.com>
6120 * config/sh/sh.c (find_barrier): Increase length for non delayed
6121 conditional branches.
6122 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6124 2010-01-24 David S. Miller <davem@davemloft.net>
6126 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6127 define if not using GAS.
6128 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6129 Likewise. Delete SECTION_MERGE code, which is only applicable
6132 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6135 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6136 mangling of va_list in system headers.
6138 2010-01-23 Toon Moene <toon@moene.org>
6140 * tree-predcom.c (combine_chains): Return NULL, not false.
6142 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6144 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6145 initialization of variable res to agree with return type.
6147 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6149 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6150 * tree-sra.c: Add include of expr.h.
6152 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6154 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6155 insert the debug stmt on the single non-EH edge from the stmt.
6157 2010-01-22 Richard Henderson <rth@redhat.com>
6160 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6161 the RHS until after generate_subtree_copies has insertted its
6162 code before the current statement.
6164 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6166 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6168 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6170 2010-01-21 Martin Jambor <mjambor@suse.cz>
6172 PR tree-optimization/42585
6173 * tree-sra.c (struct access): New field grp_total_scalarization.
6174 (dump_access): Dump the new field.
6175 (should_scalarize_away_bitmap): New variable.
6176 (cannot_scalarize_away_bitmap): Likewise.
6177 (sra_initialize): Allocate new bitmaps.
6178 (sra_deinitialize): Free new bitmaps.
6179 (create_access_1): New function.
6180 (create_access): Parts moved to create_access_1.
6181 (type_consists_of_records_p): New function.
6182 (completely_scalarize_record): Likewise.
6183 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6184 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6185 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6187 (analyze_all_variable_accesses): Completely scalarize small eligible
6190 2010-01-21 Martin Jambor <mjambor@suse.cz>
6192 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6194 2010-01-21 Andrew Haley <aph@redhat.com>
6196 * gcc.c (process_command): Move lang_specific_driver before
6197 setting cc_libexec_prefix.
6199 2010-01-21 Richard Guenther <rguenther@suse.de>
6202 * fold-const.c (negate_expr_p): Pretend only negative
6203 real constants are easily negatable.
6205 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6206 Jason Merrill <jason@redhat.com>
6208 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6209 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6210 * calls.c (initialize argument_information): Handle it.
6211 * c-common.c (handle_transparent_union_attribute): Use new name.
6212 * c-decl.c (finish_struct): Ditto.
6213 * c-typeck.c (type_lists_compatible_p): Ditto.
6214 (convert_for_assignment): Use new name and also handle record.
6215 * function.c (aggregate_value_p): Handle it.
6216 (pass_by_reference): Ditto.
6217 (assign_parm_data_types): Ditto.
6218 * print-tree.c (print_node): Ditto.
6219 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6220 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6221 * tree.c (first_field): New fn.
6223 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6226 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6227 even when linking statically, for now.
6229 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6232 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6233 without a cselib val.
6234 (count_uses): Accept MO_VAL_SET with no val on stores.
6235 (add_stores): Likewise.
6237 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6239 * var-tracking.c (check_value_val): Add a compile time assertion.
6240 (dv_is_decl_p): Simplify.
6241 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6242 gcc_assert if ENABLE_CHECKING.
6244 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6247 * var-tracking.c: Include tree-flow.h.
6248 (mem_dies_at_call): New.
6249 (dataflow_set_preserve_mem_locs): Use it.
6250 (dataflow_set_remove_mem_locs): Likewise.
6251 (dump_var): Renamed from dump_variable. Adjust all callers.
6252 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6253 * Makefile.in (var-tracking.o): Adjust deps.
6255 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6257 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6259 2010-01-20 Richard Guenther <rguenther@suse.de>
6261 PR tree-optimization/42717
6262 * tree-ssa-dce.c (get_live_post_dom): Remove.
6263 (forward_edge_to_pdom): Take an arbitrary edge to copy
6264 degenerate PHI args from.
6265 (remove_dead_stmt): Use the first post-dominator even if it
6266 does not contain live statements as redirection destination.
6268 2010-01-20 Richard Guenther <rguenther@suse.de>
6270 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6272 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6274 * sel-sched.c (create_speculation_check): Remove set but not used
6276 (try_transformation_cache): Remove set but not used variable ds.
6277 (calculate_privileged_insns): Remove set but not used variables
6278 cur_insn and min_spec_insn.
6279 (find_best_expr): Remove set but not used variable avail_n.
6280 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6282 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6284 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6285 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6288 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6291 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6292 cpu types. Add support for *-sse3 cpu types.
6293 (x86_64-*-*): Ditto.
6295 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6298 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6299 argument, call initializer_constant_valid_p_1 instead of
6300 initializer_constant_valid_p, pass CACHE to it, return NULL
6301 immediately if first call returns NULL.
6302 (initializer_constant_valid_p_1): New function.
6303 (initializer_constant_valid_p): Use it.
6305 2010-01-20 Thomas Quinot <quinot@adacore.com>
6307 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6309 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6311 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6312 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6313 (loc_list_from_tree): Don't handle unsigned division. Handle
6314 signed modulo using DW_OP_{over,over,div,mul,minus}.
6315 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6316 modulo instead of signed.
6318 2010-01-20 DJ Delorie <dj@redhat.com>
6320 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6322 (h8300_emit_stack_adjustment): Propogate it.
6324 (h8300_expand_prologue): Likewise.
6325 (h8300_expand_epilogue): Likewise.
6327 2010-01-19 Michael Matz <matz@suse.de>
6329 PR tree-optimization/41783
6330 * tree-data-ref.c (toplevel): Include flags.h.
6331 (dump_data_dependence_relation): Also dump the inputs if the
6332 result will be unknown.
6333 (split_constant_offset_1): Look through some conversions.
6334 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6335 the offset from last element is too large.
6336 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6337 (reassociate_to_the_same_stmt): Handle vector registers.
6338 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6340 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6341 wide_prolog_niters argument, emit widening instructions.
6342 (vect_do_peeling_for_alignment): Adjust caller, use widened
6343 variant of the iteration cound.
6344 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6346 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6349 * config/arm/neon-testgen.m (emit_automatics): New parameter
6350 features. Adjust for Fixed_return_reg feature.
6351 (test_intrinsic): Call emit_automatics with new feature.
6352 * config/arm/neon.ml: Update copyright years.
6353 (features): New Fixed_return_reg feature.
6354 (ops): Update feature for Vget_low.
6356 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6358 PR tree-optimization/42719
6359 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6363 * fwprop.c (all_uses_available_at): Return false if def_set dest
6364 is a REG that is used in def_insn.
6366 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6368 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6370 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6373 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6375 * target.h (struct gcc_target) <secondary_reload>: Change type
6376 of last argument to secondary_reload_info *.
6378 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6381 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6382 memory references with unaligned offsets. Remove CQImode handling.
6383 (unaligned_memory_operand): Return 1 for memory references with
6384 unaligned offsets. Remove CQImode handling.
6386 2010-01-18 Richard Guenther <rguenther@suse.de>
6389 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6392 2010-01-18 Richard Guenther <rguenther@suse.de>
6394 PR tree-optimization/42781
6395 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6396 restrict processing only if the original variable was artificial.
6398 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6400 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6401 find number of popped argument bytes.
6403 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6404 Fix the text that describes the return value for invalid insns.
6406 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6408 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6409 Clarify what 'cost of the -dependence' is. Fix quoting.
6411 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6412 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6414 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6416 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6417 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6419 2010-01-17 Richard Guenther <rguenther@suse.de>
6422 * function.c (split_complex_args): Take a VEC to modify.
6423 (assign_parms_augmented_arg_list): Build a VEC instead of
6424 a chain of PARM_DECLs.
6425 (assign_parms_unsplit_complex): Take a VEC of arguments.
6426 Do not fixup unmodified parms.
6427 (assign_parms): Deal with the VEC.
6428 (gimplify_parameters): Likewise.
6430 2010-01-17 Richard Guenther <rguenther@suse.de>
6432 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6433 node existence check.
6434 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6435 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6436 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6437 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6438 (gimple_execute_on_growing_pred): Likewise.
6440 2010-01-17 Richard Guenther <rguenther@suse.de>
6442 PR tree-optimization/42773
6443 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6444 (compute_antic_aux): Likewise.
6445 (compute_partial_antic_aux): Likewise.
6447 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6450 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6453 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6455 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6458 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6459 Fix markup for strict argument.
6461 (TARGET_SCHED_REORDER2): Fix argument types.
6463 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6464 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6466 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6467 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6469 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6472 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6473 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6474 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6475 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6476 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6478 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6480 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6482 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6483 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6485 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6487 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6490 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6492 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6493 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6495 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6497 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6499 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6500 referring to it. Fix language.
6502 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6504 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6506 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6508 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6510 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6511 '@var{stream}. Remove stray 'and'.
6513 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6515 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6517 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6519 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6520 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6522 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6523 Fix description of return value.
6524 Rename argument "sz" to "len."
6526 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6527 Clarify meaning of 'true' return value.
6529 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6531 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6532 rep_mode versus mode_rep.
6534 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6536 (TARGET_BUILTIN_DECL): Fix name.
6538 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6540 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6542 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6544 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6546 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6548 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6551 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6552 Rename argument tm_fn to md_fn.
6554 (TARGET_OPTION_PRINT): Fix argument list.
6556 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6559 * config/i386/i386.c (ix86_fixup_binary_operands):
6560 Revert FMA4 fixup of operands.
6562 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6565 * Makefile.in (write_entries_to_file, install-plugin):
6566 Use \012 instead of \n with tr.
6568 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6570 * configure.ac (HAVE_AS_REF): New C macro.
6571 * configure: Regenerate.
6572 * config.in: Likewise.
6573 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6575 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6578 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6580 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6582 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6584 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6586 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6588 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6590 (TARGET_BINDS_LOCAL_P): Fix argument type.
6592 (TARGET_ASM_FILE_END): Use prototype.
6594 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6596 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6598 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6600 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6602 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6603 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6605 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6606 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6608 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6609 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6610 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6611 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6613 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6615 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6617 (TARGET_INIT_BUILTINS): Use prototype.
6619 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6620 Put 'const char *' in braces. Fix parameter types.
6621 (TARGET_INVALID_CONVERSION): Fix parameter types.
6622 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6623 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6625 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6628 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6630 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6632 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6634 * doc/tm.texi (TARGET_HELP): Fix return type.
6636 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6637 in braces. Fix argument types.
6639 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6641 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6643 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6645 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6646 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6648 (TARGET_MANGLE_TYPE): Fix argument types.
6650 (TARGET_IRA_COVER_CLASSES): Use prototype.
6652 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6654 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6656 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6658 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6660 (TARGET_CALLEE_COPIES): Fix argument types.
6662 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6664 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6666 (TARGET_FUNCTION_VALUE): Fix argument types.
6668 (TARGET_RETURN_IN_MSB): Fix argument type.
6670 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6672 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6674 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6676 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6677 agree with return type.
6679 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6681 2010-01-15 Jing Yu <jingyu@google.com>
6683 PR rtl-optimization/42691
6684 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6685 a pseudo to a constant and are merged, and adjust comments.
6687 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6689 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6691 2010-01-15 Richard Guenther <rguenther@suse.de>
6694 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6695 labels of computed or non-local gotos to the destination.
6696 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6697 landing pad label is the first label.
6699 2010-01-15 Richard Guenther <rguenther@suse.de>
6701 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6703 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6706 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6707 to allow generation of the xssqrtdp instruction on power7.
6708 (sqrtdf2_fpr): Ditto.
6710 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6713 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6714 functions with noreturn attribute.
6717 * varasm.c (declare_weak): Add weak attribute to decl if it
6718 doesn't have one already.
6719 (assemble_external): Only add decls to weak_decls if they also
6720 have weak attribute.
6722 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6724 * var-tracking.c (var_reg_delete): Don't delete the association
6725 between REGs and values or one-part variables if the register
6728 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6731 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6732 because its first operand is a non-localized variable.
6734 2010-01-14 Martin Jambor <mjambor@suse.cz>
6736 PR tree-optimization/42706
6737 * tree-sra.c (encountered_recursive_call): New variable.
6738 (encountered_unchangable_recursive_call): Likewise.
6739 (sra_initialize): Initialize both new variables.
6740 (callsite_has_enough_arguments_p): New function.
6741 (scan_function): Call decl and flags check only for IPA-SRA, check
6742 whether there is a recursive call and whether it has enough arguments.
6743 (all_callers_have_enough_arguments_p): New function.
6744 (convert_callers): Look for recursive calls only when
6745 encountered_recursive_call is set.
6746 (ipa_early_sra): Bail out either if
6747 !all_callers_have_enough_arguments_p or
6748 encountered_unchangable_recursive_call.
6750 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6752 * sel-sched.c: Add 2010 to copyright years.
6753 * sel-sched-ir.c: Likewise.
6754 * sel-sched-ir.h: Likewise.
6756 2010-01-14 Martin Jambor <mjambor@suse.cz>
6758 PR tree-optimization/42714
6759 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6760 constructors specially.
6762 2010-01-14 Andi Kleen <ak@linux.intel.com>
6764 * config/i386/drivers-i386.c (detect_caches_intel):
6765 Add l2sizekb parameter and fill in.
6766 (host_detect_local_cpu): Add l2sizekb, fill in.
6767 Add Atom small cache heuristic.
6769 2010-01-14 Andi Kleen <ak@linux.intel.com>
6771 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6772 Add level3 parameter and fill in.
6773 (detect_caches_intel): Handle level3 cache.
6775 2010-01-14 Andi Kleen <ak@linux.intel.com>
6777 * config/i386/drivers-i386.c (host_detect_local_cpu):
6778 Fix core duo detection.
6780 2010-01-14 Andi Kleen <ak@linux.intel.com>
6782 * config/i386/drivers-i386.c (host_detect_local_cpu):
6785 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6787 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6788 (rs6000_variable_issue_1): this. Use...
6789 (rs6000_variable_issue): here. Reimplement. Print debug info.
6791 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6793 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6794 sel_restore_notes. Update all callers. Call reemit_notes
6797 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6799 PR rtl-optimization/42246
6800 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6803 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6805 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6806 all successors is the same as number of successors in current region.
6808 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6810 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6811 to rename is not separable. Otherwise check that its LHS is not NULL.
6813 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6815 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6817 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6819 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6820 available registers when failed to discover LHS register class.
6821 Fix indentation. Update comment.
6823 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6824 Alexander Monakov <amonakov@ispras.ru>
6826 PR rtl-optimization/42389
6827 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6829 (advance_state_on_fence): Likewise.
6830 (sel_target_adjust_priority): Print debug output only when
6831 sched_verbose >= 4, not 2.
6832 (get_expr_cost): Do not issue all unique insns on the next cycle.
6833 (fill_insns): Initialize can_issue_more from the value saved
6835 * sel-sched-ir.c (flist_add): New parameter issue_more.
6836 Init FENCE_ISSUE_MORE with it.
6837 (merge_fences): Likewise.
6838 (init_fences): Update call to flist_add.
6839 (add_to_fences, add_clean_fence_to_fences)
6840 (add_dirty_fence_to_fences): Likewise.
6841 (move_fence_to_fences): Update call to merge_fences.
6842 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6844 * sel-sched-ir.h (struct _fence): New field issue_more.
6845 (FENCE_ISSUE_MORE): New accessor macro.
6847 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6849 PR rtl-optimization/42388
6850 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6851 that have no predecessors nor successors. Do not call move_bb_info
6852 for empty blocks outside of current region.
6854 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6856 PR rtl-optimization/42294
6857 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6858 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6859 originators' originators.
6861 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6863 PR rtl-optimization/39453
6864 PR rtl-optimization/42246
6865 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6867 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6869 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6870 Alexander Monakov <amonakov@ispras.ru>
6873 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6874 (maybe_tidy_empty_bb): ... here. Make static. Add new
6875 argument. Update all callers.
6876 (tidy_control_flow): ... and here. Recompute topological order
6877 of basic blocks in region if necessary.
6878 (sel_redirect_edge_and_branch): Change return type. Return true
6879 if topological order might have been invalidated.
6880 (purge_empty_blocks): Export and move from...
6881 * sel-sched.c (purge_empty_blocks): ... here.
6882 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6883 (maybe_tidy_empty_bb): Delete prototype.
6884 (purge_empty_blocks): Declare.
6886 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6888 PR rtl-optimization/42249
6889 * sel-sched.c (try_replace_dest_reg): When chosen register
6890 and original register is the same, do not bail out early, but
6891 still check all original insns for validity of replacing destination
6892 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6895 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6898 Port from no-undefined-overflow branch:
6899 2009-03-09 Richard Guenther <rguenther@suse.de>
6901 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6903 2010-01-14 Richard Guenther <rguenther@suse.de>
6906 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6908 2010-01-14 Ira Rosen <irar@il.ibm.com>
6910 PR tree-optimization/42709
6911 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6912 as scalar type in creation of constant vector operand.
6914 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6917 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6918 (check-parallel-%): Match `testsuite' directory component only
6921 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6923 PR translation/39521
6924 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6927 2010-01-13 Richard Guenther <rguenther@suse.de>
6929 PR tree-optimization/42730
6930 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6933 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6936 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6937 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6940 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6942 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6943 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6944 ___umulsi3_highpart.
6946 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6947 rather than schedule_insns if the pass is enabled.
6949 2010-01-13 Martin Jambor <mjambor@suse.cz>
6951 PR tree-optimization/42704
6952 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6955 2010-01-13 Martin Jambor <mjambor@suse.cz>
6957 PR tree-optimization/42703
6958 * tree-sra.c (analyze_access_subtree): Check that we can build a
6959 reference to the original data within the aggregate.
6961 2010-01-13 Richard Guenther <rguenther@suse.de>
6963 PR tree-optimization/42705
6964 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6966 2010-01-13 Richard Guenther <rguenther@suse.de>
6969 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6971 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6974 * var-tracking.c (values_to_unmark): New variable.
6975 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6976 values_to_unmark vector. Moved body to...
6977 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6978 instead queue it into values_to_unmark vector.
6979 (vt_find_locations): Free values_to_unmark vector.
6981 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6983 * config/s390/s390.c (override_options): Set
6984 default of max-pending-list-length to 256
6986 2010-01-13 Richard Guenther <rguenther@suse.de>
6989 * tree-pass.h (PROP_gimple_lcx): New.
6990 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6991 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6992 before the final cleanup_eh.
6993 (dump_properties): Dump PROP_gimple_lcx.
6994 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6995 (tree_lower_complex_O0): Remove.
6996 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6997 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6998 tree_lower_complex, schedule TODO_update_ssa.
6999 * lto-streamer-out.c (output_function): Stream the functions
7001 * lto-streamer-in.c (input_function): Likewise.
7002 (lto_read_body): Do not override them here.
7004 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7007 * c-typeck.c (build_c_cast): Fold value cast to union type before
7008 wrapping it in a CONSTRUCTOR.
7010 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7012 PR rtl-optimization/42699
7013 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7016 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7018 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7019 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7020 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7021 SUBTARGET_WARN_UNUSED_SPEC): ... here
7022 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7024 2010-01-12 Julian Brown <julian@codesourcery.com>
7026 * config/arm/neon-schedgen.ml (Utils): Don't try to
7027 open missing module.
7028 (find_with_result): New.
7030 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7033 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7034 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7036 PR tree-optimization/42645
7037 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7038 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7039 decl_map, set processing_debug_stmt to -1 and return name without
7042 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7044 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7045 binutils version, and reword target configuration description.
7047 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7049 * config/avr/avr.h (LINKER_NAME): Remove.
7051 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7054 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7055 that support VSX, warn for -mno-altivec if vsx is not disabled,
7058 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7059 Shujing Zhao <pearly.zhao@oracle.com>
7061 PR translation/42469
7062 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7063 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7064 character between option name and help text.
7065 * c.opt (imultilib): Likewise.
7067 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7069 * lto-streamer-out.c (output_unreferenced_globals): Output static
7072 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7074 PR rtl-optimization/42621
7075 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7076 optimizing for size.
7077 (duplicate_computed_gotos): Remove now-redundant check.
7079 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7082 * configure.ac: Save and restore LDFLAGS and LIBS
7083 * configure: Regenerate.
7085 2010-01-10 Richard Guenther <rguenther@suse.de>
7088 * builtins.c (fold_builtin_strlen): Add type argument and
7089 convert the resulting length to it.
7090 (fold_builtin_1): Adjust.
7092 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7094 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7095 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7097 (num_insns_constant_wide): Adjust for that change.
7099 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7102 * web.c (union_defs): Add used argument, to combine uses of
7104 (entry_register): Adjust type and tests of used argument.
7105 (web_main): Widen used for new use. Pass it to union_defs.
7106 * df.h (union_defs): Adjust prototype.
7108 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7111 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7112 uses in new incoming argument. Free body.
7113 (reset_debug_uses_in_loop): New.
7114 (analyze_insn_to_expand_var): Call the latter if the former found
7115 anything. Fix whitespace. Reject invalid dest overlaps before
7116 going through all insns in the loop.
7118 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7121 * haifa-sched.c (dying_use_p): Debug insns don't count.
7123 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7126 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7127 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7128 (verify_gimple_call): Reject LHS in noreturn calls.
7130 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7134 * tree-vect-loop-manip.c (adjust_info): New type.
7135 (adjust_vec): New pointer to vector.
7136 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7137 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7138 (slpeel_update_phis_for_duplicate_loop): Use them.
7139 (slpeel_update_phi_nodes_for_guard1): Likewise.
7140 (slpeel_update_phi_nodes_for_guard2): Likewise.
7141 (slpeel_tree_peel_loop_to_edge): Likewise.
7142 (vect_update_ivs_after_vectorizer): Likewise.
7144 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7146 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7147 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7149 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7151 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7152 bogus uninitialized warning.
7154 2010-01-09 Richard Guenther <rguenther@suse.de>
7157 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7158 the evolution is compatible with the initial condition.
7160 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7162 * gcc.c (process_command): Update copyright notice dates.
7163 * gcov.c (print_version): Likewise.
7164 * gcov-dump.c (print_version): Likewise.
7165 * mips-tfile.c (main): Likewise.
7166 * mips-tdump.c (main): Likewise.
7168 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7171 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7173 (rotlhi3_8): Delete.
7175 (rotlsi3_8): Delete.
7176 (rotlsi3_16): Delete.
7177 (rotlsi3_24): Delete.
7179 (*rotw<mode>3): New.
7180 (*rotb<mode>3): New.
7181 * config/avr/avr.c (avr_rotate_bytes): New function.
7182 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7184 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7187 * configure.ac: Modify -rdynamic check.
7188 * configure: Regenerate.
7190 2010-01-08 DJ Delorie <dj@redhat.com>
7192 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7193 register popping order.
7195 2010-01-08 Richard Guenther <rguenther@suse.de>
7198 * c.opt (fsigned-char): Also let LTO handle this option.
7199 (funsigned-char): Likewise.
7201 2010-01-07 Richard Guenther <rguenther@suse.de>
7203 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7204 (gimple_op): Likewise.
7205 (gimple_op_ptr): Likewise.
7206 (gimple_assign_set_lhs): Remove gcc_assert.
7207 (gimple_assign_set_rhs1): Likewise.
7208 (gimple_assign_set_rhs2): Likewise.
7209 (gimple_call_set_lhs): Likewise.
7210 (gimple_call_set_fn): Likewise.
7211 (gimple_call_set_fndecl): Likewise.
7212 (gimple_call_fndecl): Likewise.
7213 (gimple_call_return_type): Likewise.
7214 (gimple_call_set_chain): Likewise.
7215 (gimple_call_num_args): Likewise.
7216 (gimple_call_set_arg): Likewise.
7217 (gimple_cond_set_code): Likewise.
7218 (gimple_cond_set_lhs): Likewise.
7219 (gimple_cond_set_rhs): Likewise.
7220 (gimple_cond_set_true_label): Likewise.
7221 (gimple_cond_set_false_label): Likewise.
7222 (gimple_label_set_label): Likewise.
7223 (gimple_goto_set_dest): Likewise.
7224 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7225 (gimple_debug_bind_get_value): Likewise.
7226 (gimple_debug_bind_get_value_ptr): Likewise.
7227 (gimple_debug_bind_set_var): Likewise.
7228 (gimple_debug_bind_set_value): Likewise.
7229 (gimple_debug_bind_reset_value): Likewise.
7230 (gimple_debug_bind_has_value_p): Likewise.
7231 (gimple_return_retval_ptr): Remove gcc_assert.
7232 (gimple_return_retval): Likewise.
7233 (gimple_return_set_retval): Likewise.
7234 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7235 (safe_referenced_var_iterator): Remove.
7236 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7237 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7238 (fill_referenced_var_vec): Remove.
7239 (first_readonly_imm_use): Remove redundant gcc_assert.
7240 (phi_arg_index_from_use): Combine gcc_asserts.
7241 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7242 (first_imm_use_stmt): Remove redundant gcc_assert.
7243 * tree-cfg.c (verify_gimple_call): Verify function and chain
7244 operands. Verify arguments.
7245 (verify_types_in_gimple_stmt): Verify condition code and labels.
7247 2010-01-07 Richard Guenther <rguenther@suse.de>
7249 PR tree-optimization/42641
7250 * sese.c (rename_map_elt_info): Use the SSA name version, do
7253 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7255 PR tree-optimization/42625
7256 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7257 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7259 2010-01-07 Duncan Sands <baldrick@free.fr>
7261 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7263 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7266 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7267 note itself is not function_invariant_p.
7269 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7271 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7272 Do not add the DF_NOTE problem.
7273 * store-motion.c (execute_rtl_store_motion): Likewise.
7275 2010-01-07 Martin Jambor <mjambor@suse.cz>
7277 PR tree-optimization/42157
7278 * tree-sra.c (compare_access_positions): Stabilize sort if both
7279 accesses have integer types, return zero immediately if they are the
7282 2010-01-06 Richard Henderson <rth@redhat.com>
7285 * haifa-sched.c (add_to_note_list): Merge into ...
7286 (concat_note_lists): ... here, and ...
7287 (unlink_other_notes, rm_other_notes): Merge into...
7288 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7289 NOTE_INSN_EPILOGUE_BEG.
7291 2010-01-06 Richard Guenther <rguenther@suse.de>
7293 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7294 not inline regular functions into always-inline functions.
7296 2010-01-06 Nick Clifton <nickc@redhat.com>
7298 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7299 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7301 (OVERRIDE_OPTIONS): Delete.
7302 (OPTIMIZATION_OPTIONS): Define.
7303 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7304 * config/rx/rx.c (rx_handle_option): Issue an error message if
7305 -mcpu=rx200 and -fpu are used together.
7306 (rx_set_optimization_options): New function. Issue an error
7307 message if an optimization attribute attempts to reset the FPU/
7308 math optimization pairing.
7309 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7310 * config/rx/rx.opt: Set the default to 32-bit doubles.
7311 * config/rx/t-rx: Add multilibs for -nofpu option.
7312 * doc/invoke.texi: Update documentation of RX options.
7314 2010-01-06 Richard Guenther <rguenther@suse.de>
7316 * tree-ssa-pre.c (name_to_id): New global.
7317 (alloc_expression_id): Simplify SSA name handling.
7318 (lookup_expression_id): Likewise.
7319 (init_pre): Zero name_to_id.
7320 (fini_pre): Free it.
7322 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7324 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7326 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7329 * config/i386/sse.md (smaxv2di3): New.
7330 (umaxv2di3): Likewise.
7331 (sminv2di3): Likewise.
7332 (uminv2di3): Likewise.
7334 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7337 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7338 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7339 (legitimize_tls_address): Likewise.
7340 (sparc_tls_referenced_p): Likewise.
7341 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7342 and adjust calls to legitimize_pic_address.
7343 (legitimate_constant_p) Use sparc_tls_referenced_p.
7344 (legitimate_pic_operand_p): Likewise.
7345 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7346 (sparc_tls_symbol_ref_1): Delete.
7347 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7348 (legitimize_tls_address): Make static, handle CONST patterns.
7349 (legitimize_pic_address): Make static, remove unused parameter and
7350 adjust recursive calls.
7351 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7352 and adjust call to legitimize_pic_address.
7353 (sparc_output_mi_thunk): Likewise.
7355 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7356 H.J. Lu <hongjiu.lu@intel.com>
7359 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7360 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7361 operands to make them signed.
7364 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7367 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7368 GTU to GT for V4SI and V2DI.
7370 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7371 (umin<mode>3): Removed.
7373 (uminv4si3): Likewise.
7375 2010-01-05 Martin Jambor <mjambor@suse.cz>
7377 PR tree-optimization/42462
7378 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7379 current_function_decl to helper functions and macros.
7381 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7384 * flags.h: Don't include real.h.
7385 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7386 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7387 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7388 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7389 * dominance.c: Update copyright.
7390 * gimple.c (walk_gimple_op): Remove inline.
7391 * tree-ssa-reassoc.c: Include real.h.
7392 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7393 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7395 2010-01-05 Nick Clifton <nickc@redhat.com>
7397 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7398 register to push into the stack frame when the accumulator has to
7399 be saved during interrupts.
7401 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7403 * doc/invoke.texi: Remove the documentation about option
7405 * common.opt (Wunreachable-code): Preserved for backward
7407 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7408 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7409 the backward compatibility flag section.
7411 2010-01-05 Richard Guenther <rguenther@suse.de>
7413 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7415 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7418 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7420 PR tree-optimization/42508
7421 * tree-sra.c (convert_callers): Check for recursive call
7422 by comparing cgraph nodes instead of decls.
7423 (modify_function): Call ipa_modify_formal_parameters also
7424 on all same_body aliases.
7426 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7427 cgraph nodes when checking for same_body aliases.
7429 2010-01-05 Richard Guenther <rguenther@suse.de>
7431 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7432 allocation and lookup.
7433 (get_or_alloc_expr_for_constant): Likewise.
7434 (phi_translate): Sink allocation.
7436 2010-01-04 Richard Guenther <rguenther@suse.de>
7438 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7439 a new entry only if needed.
7440 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7441 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7443 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7445 (phi_translate): Handle CONSTANTs early.
7447 2010-01-04 Martin Jambor <mjambor@suse.cz>
7449 PR tree-optimization/42398
7450 * tree-sra.c (struct access): Removed flag grp_different_types.
7451 (dump_access): Do not dump the removed flag.
7452 (sort_and_splice_var_accesses): Do not set the removed flag.
7453 (sra_modify_expr): Check for type compatibility directly.
7455 2010-01-04 Martin Jambor <mjambor@suse.cz>
7457 PR tree-optimization/42366
7458 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7459 edges with variable number of parameters.
7460 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7461 flag instead of asserting it.
7462 (ipa_read_node_info): Read uses_analysis_done flag.
7464 2010-01-04 Richard Guenther <rguenther@suse.de>
7466 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7467 iterative_hash_* as intended.
7468 (vn_reference_compute_hash): Likewise. Simplify hashing
7470 (vn_reference_lookup_2): Likewise.
7471 (vn_nary_op_compute_hash): Likewise.
7472 (vn_phi_compute_hash): Likewise.
7473 (expressions_equal_p): Remove strange code.
7474 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7475 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7476 (bitmap_insert_into_set_1): Take value-id as parameter.
7477 (add_to_value): Pass it.
7478 (bitmap_insert_into_set): Likewise.
7479 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7481 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7484 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7485 (do_self_spec): For switches with SWITCH_IGNORE set set also
7486 SWITCH_IGNORE_PERMANENTLY.
7487 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7490 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7492 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7493 tree of an unreferenced global var.
7495 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7498 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7499 GTU to GT for V4SI and V2DI.
7501 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7502 (umin<mode>3): Removed.
7504 (uminv4si3): Likewise.
7506 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7509 * collect2.c (main): Turn on trace in collect2 if -v is passed
7512 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7514 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7515 description of expression operand.
7517 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7519 * configure.ac: Add install-html to target_list for Make-hooks.
7520 * configure: Regenerate.
7521 * fortran/Make-lang.in (F95_HTMLFILES): New.
7522 (fortran.html): Use it.
7523 (fortran.install-html): New.
7524 * Makefile.in (install-html): Add lang.install-html.
7525 * java/Make-lang.in (JAVA_HTMLFILES): New.
7526 (java.html): Use it.
7527 (java.install-html): New.
7528 * objc/Make-lang.in (objc.install-html): New.
7529 * objcp/Make-lang.in (obj-c++.install-html): New.
7530 * cp/Make-lang.in (c++.install-html): New.
7531 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7532 * lto/Make-lang.in (lto.install-html): New.
7534 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7537 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7539 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7541 PR rtl-optimization/41862
7542 * store-motion.c (store_killed_in_insn, compute_store_table,
7543 remove_reachable_equiv_notes, replace_store_insn,
7544 build_store_vectors): Ignore all DEBUG_INSNs.
7546 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7549 * common.opt: Add dumpdir.
7551 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7553 (option_map): Add --dumpdir.
7555 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7557 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7559 * opts.c (decode_options): Try dump_dir_name first if
7560 dump_base_name isn't an absolute path.
7561 (common_handle_option): Handle OPT_dumpdir.
7563 * toplev.c (dump_dir_name): New.
7564 (print_switch_values): Also ignore -dumpdir.
7566 * toplev.h (dump_dir_name): New.
7568 2010-01-03 Richard Guenther <rguenther@suse.de>
7570 PR tree-optimization/42589
7571 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7572 double-word expansion of bswap32.
7574 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7576 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7577 with BLOCK_FOR_INSN.
7578 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7579 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7580 noce_process_if_block): Likewise.
7581 * gcse.c (compute_local_properties, insert_expr_in_table,
7582 insert_set_in_table, canon_list_insert, find_avail_set,
7583 pre_insert_copy_insn): Likewise.
7585 * basic-block.h (BLOCK_NUM): Move from here...
7586 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7588 2010-01-03 Richard Guenther <rguenther@suse.de>
7590 PR tree-optimization/42438
7591 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7592 contains_may_not_return_call flag.
7593 (BB_MAY_NOTRETURN): New.
7594 (valid_in_sets): Trapping nary operations are not valid
7595 in blocks that may not return.
7596 (insert_into_preds_of_block): Remove check for trapping expressions.
7597 (compute_avail): Compute also BB_MAY_NOTRETURN.
7599 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7601 * doc/invoke.texi: Add 2010 to copyright years.
7603 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7605 * config/sparc/sparc.c: Fix formatting nits.
7607 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7608 Alexander Monakov <amonakov@ispras.ru>
7610 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7612 2010-01-02 Richard Guenther <rguenther@suse.de>
7615 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7616 (simplify_switch_using_ranges): Mark to be removed edges
7619 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7621 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7623 * collect2.c (scan_libraries): Add missing argument in call to
7626 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7629 * config/alpha/predicates.md (aligned_memory_operand): Return false
7631 (unaligned_memory_operand): Return true for CQImode.
7632 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7633 doesn not cross aligned SImode word boundary.
7635 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7637 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7639 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7640 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7642 2010-01-02 Richard Guenther <rguenther@suse.de>
7645 * toplev.c (compile_file): Emit LTO marker properly. Change
7647 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7649 2010-01-01 Richard Guenther <rguenther@suse.de>
7652 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7654 2010-01-01 Richard Guenther <rguenther@suse.de>
7657 * c-decl.c (grokdeclarator): For zero-size arrays force
7658 structural equality checks as layout_type does.
7660 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7662 * builtins.c: Update copyright to 2010.
7664 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7667 * lto-streamer-out.c (produce_asm): Revert the last change.
7668 (copy_function): Likewise.
7670 * lto-streamer.c (lto_get_section_name): Skip any leading
7673 2010-01-01 Richard Guenther <rguenther@suse.de>
7676 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7680 Copyright (C) 2010 Free Software Foundation, Inc.
7682 Copying and distribution of this file, with or without modification,
7683 are permitted in any medium without royalty provided the copyright
7684 notice and this notice are preserved.