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.