1 2010-05-16 Richard Guenther <rguenther@suse.de>
3 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
5 * ipa-type-escape.c (gate_type_escape_vars): Run when
6 -fipa-struct-reorg runs.
7 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
8 * common.opt (fipa-type-escape): Remove.
10 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
12 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
13 (decode_options): Likewise.
14 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
16 2010-05-16 Jan Hubicka <jh@suse.cz>
18 * ipa.c (function_and_variable_visibility): Also bring local all
21 2010-05-16 Richard Guenther <rguenther@suse.de>
23 * alias.c (nonoverlapping_memrefs_p): Remove use of
24 IPA type-escape information.
26 2010-05-16 Joseph Myers <joseph@codesourcery.com>
28 * c-common.c (c_common_reswords): Add _Static_assert for C.
29 * c-parser.c (c_token_starts_declaration,
30 c_parser_next_token_starts_declaration,
31 c_parser_static_assert_declaration_no_semi,
32 c_parser_static_assert_declaration): New.
33 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
34 Handle static assertions if static_assert_ok.
35 (c_parser_external_declaration, c_parser_declaration_or_fndef,
36 c_parser_compound_statement_nostart, c_parser_label,
37 c_parser_for_statement, c_parser_objc_methodprotolist,
38 c_parser_omp_for_loop): All callers of
39 c_parser_declaration_or_fndef changed.
40 (c_parser_struct_declaration): Handle static assertions.
41 (c_parser_compound_statement_nostart): Use
42 c_parser_next_token_starts_declaration and
43 c_token_starts_declaration to detect start of declarations.
44 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
47 2010-05-16 Anatoly Sokolov <aesok@post.ru>
49 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
50 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
51 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
52 TARGET_FUNCTION_VALUE_REGNO_P): Define.
53 (mmix_function_outgoing_value): Rename to...
54 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
55 (mmix_function_value_regno_p): Make static.
56 (mmix_libcall_value): New function.
57 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
58 mmix_function_value_regno_p): Remove declaration.
60 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
62 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
63 BUILT_IN_ALLOCA if stack checking is enabled.
65 2010-05-16 Richard Guenther <rguenther@suse.de>
67 * var-tracking.c (vars_copy_1): Inline ...
68 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
69 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
70 (variable_merge_over_cur): Adjust. Merge asserts.
71 (variable_merge_over_src): Likewise.
72 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
73 (variable_post_merge_new_vals): Merge asserts.
74 (variable_post_merge_perm_vals): Likewise.
75 (find_mem_expr_in_1pdv): Likewise.
76 (dataflow_set_different_value): Remove.
77 (onepart_variable_different_p): Merge asserts.
78 (variable_different_p): Likewise.
79 (dataflow_set_different_1): Inline ...
80 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
81 (emit_notes_for_differences_1): Merge asserts.
83 2010-05-16 Richard Guenther <rguenther@suse.de>
85 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
86 * optabs.c (libfunc_decl_hash): Likewise.
87 * varasm.c (emutls_decl): Likewise.
89 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
91 * c-decl.c: Don't include gimple.h.
92 (merge_decls): Do not copy gimple_body.
94 2010-05-15 Jason Merrill <jason@redhat.com>
96 * c.opt: Add -fnothrow-opt.
98 2010-05-15 Jan Hubicka <jh@suse.cz>
100 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
102 * passes.c (ipa_write_summaries): Write all analyzed nodes.
104 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
106 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
107 * Makefile.in: Add it.
108 Fix all other Makefile dependencies for changes below.
109 * tree.h: Include it instead of defining VEC primitives here.
110 * gimple.h: Likewise.
112 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
113 * except.h: Include vecir.h, break dependence on tree.h.
115 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
117 * tree-iterator.c: ...to here.
118 * tree-iterator.h: Fix file introduction comment. Add extern markers.
120 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
122 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
123 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
124 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
125 tree-mudflap.h, and target.h.
126 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
127 predict.h, tree-inline.h, gimple.h, and langhooks.h.
128 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
129 Add FIXME for why gimple.h is still included (should be unnecessary
130 since GCC 4.5 gimplification unit-at-a-time).
131 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
132 * c-pragma.c: Add FIXME for why function.h needs to be included just
133 for cfun, at front-end level.
134 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
135 Do not include ggc.h, but include vecprim.h for VEC(char).
136 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
137 Explain why target.h is included.
138 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
139 Explain why gimple.h is included.
140 * c-ppoutput.c: Do not include tm.h.
141 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
142 * c-parses.c: Explain why rtl.h is included, and that this (and only
143 this) is also why tm.h must be included.
144 Do not include except.h.
145 * c-lang.c: Do not include ggc.h.
147 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
149 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
151 2010-05-15 Joseph Myers <joseph@codesourcery.com>
153 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
154 unions by default if those structs and unions have no tags. Do
155 not condition anonymous struct and unions handling on flag_iso.
156 Allow anonymous structs and unions for C1X.
157 (finish_struct): Do not diagnose lack of named fields when
158 anonymous structs and unions present for C1X. Accept flexible
159 array members in structure with anonymous structs or unions but no
160 directly named fields.
161 * doc/extend.texi (Unnamed Fields): Update.
163 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
165 * gimple.h (compare_field_offset): Rename into...
166 (gimple_compare_field_offset): ...this.
167 * gimple.c (compare_field_offset): Rename into...
168 (gimple_compare_field_offset): ...this. Compare the full access if
169 the offset is self-referential.
170 (gimple_types_compatible_p): Adjust for above renaming.
171 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
172 DECL_NONADDRESSABLE_P flag of fields before merging them.
174 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
176 * tree.h (ctor_to_list): Delete.
177 * tree.c (ctor_to_list): Delete.
179 2010-05-15 Jan Hubicka <jh@suse.cz>
181 * ipa-reference.c: Include toplev.h
182 (is_proper_for_analysis): Only add to all_module_statics
184 (write_node_summary_p, stream_out_bitmap,
185 ipa_reference_write_optimization_summary,
186 ipa_reference_read_optimization_summary): New.
187 (struct ipa_opt_pass_d pass_ipa_reference): Add
188 optimization summary streaming.
189 * lto-cgraph.c (referenced_from_this_partition_p,
190 reachable_from_this_partition_p): New functions.
191 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
192 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
193 * opts.c (decode_options): Enable ipa_reference.
194 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
195 * lto-streamer.h (referenced_from_this_partition_p,
196 reachable_from_this_partition_p): Declare.
198 2010-05-15 Richard Guenther <rguenther@suse.de>
200 PR tree-optimization/44038
201 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
202 taking the address of a V_C_E of a constant.
204 2010-05-14 Jan Hubicka <jh@suse.cz>
206 * tree.h (memory_identifier_string): Remove.
207 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
208 (ipa_reference_global_vars_info_d): Remove statics_not_read and
210 (ipa_reference_optimization_summary_d): New structure.
211 (ipa_reference_optimization_summary_t): New type and vector.
212 (ipa_reference_vars_info_d): Embedd structures instead of using
214 (reference_vars_to_consider): Remove out of GGC space.
215 (module_statics_escape): Remove.
216 (global_info_obstack): Rename to ...
217 (optimization_summary_obstack): ... this one.
218 (initialization_status_t): Remove.
219 (memory_identifier_string): Remove.
220 (get_reference_vars_info): Fix indenting.
221 (set_reference_vars_info): Likewise.
222 (get_reference_optimization_summary): New.
223 (set_reference_optimization_summary): New.
224 (get_global_reference_vars_info): Remove.
225 (ipa_reference_get_read_global): Remove.
226 (ipa_reference_get_written_global): Remove.
227 (ipa_reference_get_not_read_global): Update.
228 (ipa_reference_get_not_written_global): Update.
229 (is_proper_for_analysis): Outlaw addressable.
230 (propagate_bits): Update for new datastructures.
231 (analyze_variable): Remove.
232 (init_function_info): Update for new datastructures.
233 (clean_function_local_data): Remove.
234 (clean_function): Remove.
235 (copy_global_bitmap): Use optimizations_summary_obstack.
236 (duplicate_node_data): Duplicate optimization summary only.
237 (remove_node_data): Remove optimization summary only.
238 (generate_summary): Do not analyze variables; do not compute
239 module_statics_escape; do not prune solutions by it.
240 (read_write_all_from_decl): Fix typos in comments.
241 (propagate): Doscover readonly and nonaddressable first;
242 update for new datastructures; share global bitmaps.
243 * ipa-reference.h (ipa_reference_get_read_global,
244 ipa_reference_get_written_global): Remove.
245 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
246 * Makefile.in: Remove ipa-refereference from GT files.
248 2010-05-14 Jakub Jelinek <jakub@redhat.com>
251 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
252 for all SYMBOL_REF_DECLs.
254 2010-05-14 Jan Hubicka <jh@suse.cz>
256 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
257 (varpool_all_refs_explicit_p): New inline function.
258 * ipa-reference.c: Update comment.
259 (module_statics_written): Remove.
260 (get_static_decl): Remove.
261 (ipa_init): Do not initialize module_statics_written.
262 (analyze_function): Likewise.
263 (generate_summary): Likewise; do not compute module_statics_readonly
264 and do not update variable flags.
265 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
266 * ipa.c: Inlucde flags.h
267 (cgraph_local_node_p): New.
268 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
269 promote functions to local.
270 (ipa_discover_readonly_nonaddressable_vars): New function.
271 (function_and_variable_visibility): Use cgraph_local_node_p.
272 * varpool.c (varpool_finalize_decl): Set force_output for
273 DECL_PRESERVE_P vars.
275 2010-05-14 Jan Hubicka <jh@suse.cz>
277 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
279 2010-05-14 Richard Guenther <rguenther@suse.de>
281 PR tree-optimization/44119
282 * tree-ssa-pre.c (eliminate): Properly mark replacement of
283 a PHI node necessary.
285 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
287 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
289 2010-05-14 Jason Merrill <jason@redhat.com>
292 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
293 (gimple_call_set_nothrow): New.
294 * gimple.c (gimple_build_call_from_tree): Call it.
295 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
298 * gimplify.c (gimplify_seq_add_stmt): No longer static.
299 * gimple.h: Declare it.
300 * gimple.c (gimple_build_eh_filter): No ops.
302 2010-05-14 Jan Hubicka <jh@suse.cz>
304 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
305 nodes already in queue.
306 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
309 2010-05-14 Jakub Jelinek <jakub@redhat.com>
312 * cfgexpand.c (expand_debug_expr): If non-memory op0
313 has BLKmode, return NULL.
315 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
317 * config.gcc: Add support for --with-cpu option for bdver1.
318 * config/i386/i386.h (TARGET_BDVER1): New macro.
319 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
320 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
321 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
322 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
323 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
324 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
325 (processor_type): Add PROCESSOR_BDVER1.
326 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
327 processor_type in config/i386/i386.h.
328 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
329 movaps <reg, reg> instead of movapd <reg, reg> when replacing
330 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
331 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
332 to emit packed xor instead of packed double/packed integer
333 xor for SSE and AVX when moving a zero value.
334 * config/i386/sse.md: Add check for
335 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
336 movapd/movdqa for SSE and AVX.
337 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
338 single logical operations i.e and, or and xor instead of packed double
339 logical operations for SSE and AVX.
340 * config/i386/i386-c.c (ix86_target_macros_internal):
341 Add PROCESSOR_BDVER1.
342 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
343 (has_fma4, has_xop): New.
344 * config/i386/i386.c (bdver1_cost): New variable.
345 (m_BDVER1): New macro.
346 (m_AMD_MULTIPLE): Add m_BDVER1.
347 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
348 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
349 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
350 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
351 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
352 x86_tune_sse_partial_reg_dependency,
353 x86_tune_sse_unaligned_load_optimal,
354 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
355 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
356 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
357 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
358 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
359 Enable/disable for bdver1.
360 (processor_target_table): Add bdver1_cost.
361 (cpu_names): Add bdver1.
362 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
363 processor_alias_table.
364 (ix86_expand_vector_move_misalign): Change.
365 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
366 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
367 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
368 of movupd/movdqu for SSE and AVX.
369 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
370 (ix86_tune_adjust_cost): Add code for bdver1.
371 (standard_sse_constant_opcode): Add check for
372 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
373 of packed double xor for SSE and AVX.
375 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
377 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
380 2010-05-14 Tristan Gingold <gingold@adacore.com>
382 * toplev.c (default_debug_hooks): Remove this variable.
383 (process_options): Remove assignments to default_debug_hooks.
385 2010-05-14 Martin Jambor <mjambor@suse.cz>
387 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
388 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
389 * langhooks.h (struct lang_hooks_for_decls): Removed field
391 * tree.c (free_lang_data): Remove assignment to
392 lang_hooks.fold_obj_type_ref.
393 * tree.def (OBJ_TYPE_REF): Update comment.
395 2010-05-14 Richard Guenther <rguenther@suse.de>
397 PR tree-optimization/44124
398 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
400 2010-05-14 Alan Modra <amodra@gmail.com>
403 * config/rs6000/rs6000.c (struct machine_function): Reorder
404 fields for better packing. Add lr_save_state.
405 (rs6000_ra_ever_killed): Return lr_save_state if set.
406 (rs6000_emit_eh_reg_restore): Set lr_save_state.
408 2010-05-13 Jan Hubicka <jh@suse.cz>
410 * varpool.c (decide_is_variable_needed): Drop code checking
411 TREE_SYMBOL_REFERENCED.
413 2010-05-13 Jan Hubicka <jh@suse.cz>
415 * final.c (output_addr_const): Do not call mark_decl_referenced.
416 * cgraphunit.c (process_function_and_variable_attributes): Use
417 mark_needed_node dirrectly.
418 (assemble_thunk): Do not call mark_decl_referenced.
420 2010-05-13 Anatoly Sokolov <aesok@post.ru>
422 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
424 2010-05-13 Jeff Law <law@redhat.com>
426 * ira-conflicts.c (print_allocno_conflicts): New function broken out
428 (print_conflicts): Call print_allocno_conflicts.
430 2010-05-13 Jakub Jelinek <jakub@redhat.com>
433 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
436 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
438 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
439 t-mingw-w64 or t-mingw-w32 for multilib configuration.
440 * config/i386/t-mingw-w32: New.
441 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
443 2010-05-13 Martin Jambor <mjambor@suse.cz>
445 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
447 * gimple-fold.c (get_base_binfo_for_type): New function.
448 (gimple_get_relevant_ref_binfo): Likewise.
449 (gimple_fold_obj_type_ref_known_binfo): Likewise.
450 (gimple_fold_obj_type_ref): Likewise.
451 (fold_gimple_call): Simplify condition for folding virtual calls
452 and call gimple_fold_obj_type_ref.
453 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
454 (gimple_fold_obj_type_ref_known_binfo): Likewise.
456 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
458 * config/rs6000/rs6000-protos.h
459 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
460 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
461 (rs6000_debug_mode_dependent_address)
462 (rs6000_mode_dependent_address_ptr): Likewise.
464 2010-05-13 Jakub Jelinek <jakub@redhat.com>
467 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
469 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
470 * tree-sra.c (create_access_replacement): Call unshare_expr before
471 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
472 * dwarf2out.c: Include tree-flow.h.
473 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
474 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
475 Handle DW_OP_bit_piece.
476 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
477 construct_piece_list, adjust_piece_list): New functions.
478 (add_var_loc_to_decl): Handle SRA optimized variables.
479 Adjust for var_loc_note to loc field renaming.
480 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
481 in VAR_LOCATION note.
482 (new_loc_descr_op_bit_piece): New function.
483 (dw_sra_loc_expr): New function.
484 (dw_loc_list): Use it. Don't handle the last range after the
485 loop, handle it inside of the loop. Adjust for var_loc_note
486 to loc field renaming.
487 (add_location_or_const_value_attribute): Only special case
488 single entry loc lists if loc is NOTE_P. Adjust for
489 var_loc_note to loc field renaming.
490 (dwarf2out_var_location): Don't set newloc->var_loc_note
491 and newloc->next here.
493 2010-05-12 Jan Hubicka <jh@suse.cz>
495 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
497 * cgraph.h (cgraph_only_called_directly_p,
498 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
499 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
500 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
502 * ipa.c (cgraph_remove_unreachable_nodes): Use
503 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
505 * tree-inline.c (copy_bb): Check address_taken flag.
506 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
507 externally_visible flag.
509 2010-05-12 Jason Merrill <jason@redhat.com>
513 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
514 * sdbout.c (plain_type_1): Likewise.
515 * dwarf2out.c (is_base_type): Likewise.
516 (gen_type_die_with_usage): Likewise. Generate
517 DW_TAG_unspecified_type for any LANG_TYPE.
519 2010-05-12 Jan Hubicka <jh@suse.cz>
521 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
523 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
524 (cgraph_clone_edge): Update.
525 (cgraph_node_remove_callees): Remove indirect calls too.
526 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
527 (cgraph_create_indirect_edge): Update prototype.
528 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
529 is_proper_for_analysis.
530 (add_new_function, visited_nodes, function_insertion_hook_holder,
531 get_local_reference_vars_info, mark_address_taken, mark_address,
532 mark_load, mark_store, check_asm_memory_clobber, check_call,
533 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
534 (ipa_init): Do not initialize visited_nodes;
535 function_insertion_hook_holder.
536 (analyze_variable): Rewrite.
537 (analyze_function): Rewrite.
538 (copy_local_bitmap): Remove.
539 (duplicate_node_dat): Do not duplicate local info.
540 (generate_summary): Simplify to only walk cgraph.
541 (write_node_summary_p, ipa_reference_write_summary,
542 ipa_reference_read_summary): Remove.
543 (propagate): Do not remove function insertion;
545 (pass_ipa_reference): NULLify summary handling fields.
546 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
547 (input_edge): Input ecf_flags.
548 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
549 (update_indirect_edges_after_inlining): Ignore edges with unknown
552 2010-05-12 Sriraman Tallam <tmsriram@google.com>
554 * implicit-zee.c: New file.
555 * tree-pass.h (pass_implicit_zee): Declare.
556 * passes.c (init_optimization_passes): Add zee pass.
557 * common.opt (fzee): New flag.
558 * timevar.def (TV_ZEE): Define.
559 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
561 * Makefile.in (implicit-zee.o): Add new build file.
563 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
564 Nathan Froyd <froydnj@codesourcery.com>
566 * c-common.c (sync_resolve_params): Remove write-only variable.
568 2010-05-12 Anatoly Sokolov <aesok@post.ru>
570 * target.h (struct gcc_target): Add mode_dependent_address_p field.
571 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
572 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
573 * targhooks.c (default_mode_dependent_address_p): New function.
574 * targhooks.h (default_mode_dependent_address_p): Declare function.
575 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
576 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
577 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
578 target hook. Change return type to bool.
579 * recog.h: (mode_dependent_address_p): Change return type to bool.
581 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
582 Nathan Froyd <froydnj@codesourcery.com>
584 * tree-mudflap.c (build_function_type_0, build_function_type_1,
585 build_function_type_2, build_function_type_3): Remove.
586 (mudflap_init): Use build_function_type_list.
588 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
589 Nathan Froyd <froydnj@codesourcery.com>
591 * coverage.c (build_fn_info_value): Call build_constructor instead of
592 build_constructor_from_list.
593 (build_ctr_info_value): Likewise.
594 (build_gcov_info): Likewise.
596 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
598 * tree.c (build_constructor): Compute TREE_CONSTANT for the
599 resultant constructor.
600 (build_constructor_single): Don't set TREE_CONSTANT.
601 (build_constructor_from_list): Don't compute TREE_CONSTANT.
603 2010-05-12 Jan Hubicka <jh@suse.cz>
605 * cgraph.h (struct varpool_node): Add aux.
606 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
607 * varpool.c (varpool_remove_node): Do not remove initializer.
608 (varpool_reset_queue): Export.
609 (varpool_finalize_decl): Volatile vars are forced to be output.
610 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
612 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
613 process_references, varpool_can_remove_if_no_refs): New functions.
614 (cgraph_remove_unreachable_nodes): Handle variables too.
616 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
619 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
621 2010-05-12 Jakub Jelinek <jakub@redhat.com>
624 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
625 change value of ORT_TASK.
626 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
627 (omp_notice_threadprivate_variable): New function.
628 (omp_notice_variable): Call it for threadprivate variables.
629 If enclosing ctx is a task, print enclosing task rather than
630 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
631 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
632 if task has untied clause.
635 * dwarf2out.c (base_type_die): Don't add name attribute here.
636 (modified_type_die): Instead of sizetype use
637 its underlying original type. If a DW_TAG_base_type doesn't
638 have name added, add __unknown__.
639 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
640 always call force_type_die instead.
642 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
644 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
645 for __stack_chk_guard.
647 2010-05-11 Jakub Jelinek <jakub@redhat.com>
649 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
650 don't call start_source_file debug hook here...
651 (finish_options): ... but here, after outputting predefined and
652 command line defines and undefs.
655 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
657 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
658 optimizing away empty bb with no successors, move over its
659 footer chain to fallthru predecessor.
660 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
661 (rtl_split_edge): For asm goto call patch_jump_insn even if
662 splitting fallthru edge.
665 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
666 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
667 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
668 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
672 * c-parser.c (c_parser_expression): Mark LHS of a comma
673 expression as read if it is a decl, handled component or
674 COMPOUND_EXPR with that on the RHS.
675 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
676 if it is a decl or handled component.
678 2010-05-11 Jan Hubicka <jh@suse.cz>
680 * lto-symtab.c (lto_symtab_free): New function.
681 * lto-streamer.h (lto_symtab_free): Declare.
683 2010-05-11 Jan Hubicka <jh@suse.cz>
685 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
686 that if function is needed it is reachable.
687 (lto_output_node): See if it the function is reachable or referenced.
688 (output_cgraph): Update call of lto_output_node.
689 * lto-streamer.h (reachable_from_other_partition_p): Declare.
691 2010-05-11 Jan Hubicka <jh@suse.cz>
693 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
696 2010-05-11 Jan Hubicka <jh@suse.cz>
698 PR tree-optimize/44063
699 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
701 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
703 (estimate_function_body_sizes): Compute sizes even when disregarding.
705 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
707 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
709 2010-05-11 Jan Hubicka <jh@suse.cz>
711 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
714 2010-05-11 Jan Hubicka <jh@suse.cz>
716 * matrix-reorg.c (matrix_reorg): Rebuild edges.
718 2010-05-11 Jan Hubicka <jh@suse.cz>
720 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
721 lto_streamer_cache_delete): Put nodes into heap.
722 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
725 2010-05-11 Jan Hubicka <jh@suse.cz>
727 * cgraphbuild.c (cgraph_rebuild_references): New.
728 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
730 * cgraph.h (cgraph_rebuild_references): Declare.
731 * tree-inline.c (tree_function_versioning): Use it.
732 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
734 2010-05-11 Jan Hubicka <jh@suse.cz>
736 * cgraph.c: Include ipa-utils.h
737 (cgraph_create_virtual_clone): Update references.
738 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
740 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
742 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
743 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
746 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
748 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
750 2010-05-11 Jakub Jelinek <jakub@redhat.com>
752 * gcc.c (execute): For -### don't quote arguments that
753 contain just alphanumerics and _/-. characters.
754 * doc/invoke.texi: Document that change for -###.
757 * df-problems.c (struct dead_debug): Add to_rescan field.
758 (dead_debug_init): Clear to_rescan field.
759 (dead_debug_finish): Rescan all debug insns in to_rescan
760 bitmap and free the bitmap.
761 (dead_debug_insert_before): Instead of rescanning debug insns
762 immediately queue their rescanning until dead_debug_finish.
763 (df_note_bb_compute): After dead_debug_add do continue instead
766 2010-05-10 Jakub Jelinek <jakub@redhat.com>
769 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
770 clear also INSN_REG_USE_LIST.
772 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
774 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
776 2010-05-10 Jan Hubicka <jh@suse.cz>
778 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
781 2010-05-10 Jan Hubicka <jh@suse.cz>
783 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
785 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
786 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
787 (lto_streamer_cache_create): Init alloc pool.
788 (lto_streamer_cache_delete): Free alloc pool.
789 * lto-streamer.h: Include alloc pool.
790 (lto_streamer_cache_d): Use alloc pool.
791 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
793 2010-05-10 Jan Hubicka <jh@suse.cz>
795 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
796 * cgraphbuild.c: Include except.h
797 (record_type_list, record_eh_tables): New function.
798 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
800 2010-05-10 Jan Hubicka <jh@suse.cz>
802 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
803 __frame_dummy_init_array_entry, force_to_data): Attribute as used
806 2010-05-10 Michael Matz <matz@suse.de>
808 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
809 (can_reassociate_p): Use FLOAT_TYPE_P.
810 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
811 (vect_force_simple_reduction): ... this.
812 * tree-parloops.c (gather_scalar_reductions): Use
813 vect_force_simple_reduction.
814 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
815 vect_is_simple_reduction, add modify argument, if true rewrite
817 (vect_is_simple_reduction, vect_force_simple_reduction): New
819 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
821 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
822 Vladimir Makarov <vmakarov@redhat.com>
824 PR rtl-optimization/44012
825 * ira-build.c (remove_unnecessary_allocnos): Nullify
826 regno_allocno_map of the removed allocno.
828 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
830 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
832 * configure: Regenerate.
834 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
836 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
838 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
839 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
841 * configure: Regenerate.
843 2010-05-10 Richard Guenther <rguenther@suse.de>
845 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
846 marked if the entry identifier is marked.
848 2010-05-10 Richard Guenther <rguenther@suse.de>
850 * c-common.c (struct c_common_attributes): Add fnspec attribute.
851 (handle_fnspec_attribute): New function.
852 * gimple.h (gimple_call_return_flags): Declare.
853 (gimple_call_arg_flags): Likewise.
854 * gimple.c (gimple_call_arg_flags): New function.
855 (gimple_call_return_flags): Likewise.
856 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
858 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
860 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
861 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
863 (make_heapvar_for): ... this new function.
864 (handle_rhs_call): Handle fnspec attribute argument specifiers.
865 (handle_lhs_call): Likewise.
866 (find_func_aliases): Adjust.
868 2010-05-10 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/44050
871 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
873 2010-05-10 Wei Guozhi <carrot@google.com>
876 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
878 2010-05-09 Joseph Myers <joseph@codesourcery.com>
881 * c-typeck.c (lookup_field): Take a type directly. Update
883 (build_component_ref): Update call to lookup_field.
884 (set_init_label): Use lookup_field to find initialized field.
885 Handle returned list of fields like a sequence of designators.
887 2010-05-09 Richard Guenther <rguenther@suse.de>
890 * fold-const.c (tree_single_nonzero_warnv_p): Properly
891 handle &FUNCTION_DECL.
893 2010-05-09 Joseph Myers <joseph@codesourcery.com>
896 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
897 structures and unions recursively.
898 (detect_field_duplicates): Move duplicate detection with a hash to
899 detect_field_duplicates_hash. Always use a hash if anonymous
900 structures or unions are present.
901 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
904 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
907 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
908 detect Atom, Core 2 and Core i7.
910 2010-05-09 Richard Guenther <rguenther@suse.de>
912 * gcc.c (store_arg): Handle temporary file deletion for
915 2010-05-09 Richard Guenther <rguenther@suse.de>
918 * ipa-inline.c (estimate_function_body_sizes): Return after
919 disregarding inline limits.
921 2010-05-09 Richard Guenther <rguenther@suse.de>
923 * gcc.c (store_arg): Revert last change.
925 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
928 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
929 (optimize_ops_list): Call it.
931 2010-05-08 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/44030
934 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
935 NECESSARY flag if we propagate from a inserted expression.
937 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
939 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
940 domain types as equal if they are both PLACEHOLDER_EXPRs.
942 2010-05-08 Richard Guenther <rguenther@suse.de>
944 * lto-wrapper.c (run_gcc): Remove linker output from
945 command line for LTRANS invocation.
947 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
949 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
950 lto-macho as lto_binary_reader.
951 * target.h (struct gcc_target): New hooks lto_start and lto_end.
952 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
953 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
954 in lto_start and lto_end calls.
955 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
957 (scan_prog_file): Update is_elf_or_coff call.
958 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
960 * collect2.c (main): Fix enum comparison.
962 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
964 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
965 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
966 and TARGET_ASM_LTO_END.
967 * darwin.c: Include obstack.h and lto-streamer.h.
968 (lto_section_names_offset, lto_section_names_obstack,
969 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
971 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
972 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
974 (darwin_asm_lto_end): New function. Restore asm_out_file.
975 (darwin_asm_named_section): For LTO sections, replace the name with
976 the offset of the section name in a string table, and build this
978 (darwin_file_start): Initialize global vars for LTO support.
979 (darwin_file_end): If output to asm_out_file was redirected, append it
980 to the proper asm_out_file here. Add the section names section.
982 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
984 * c-pragma.c (pending_weak_d, pending_weak): New.
985 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
986 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
987 handle_pragma_weak): Update the uses of pending_weaks.
989 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
991 PR documentation/44016
992 * doc/standards.texi (Standards): Link to unversioned
993 cxx0x_status.html page.
995 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
998 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
999 in addition to TREE_USED, to avoid "set but unused" warnings.
1001 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1003 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1004 (is_loop_prefetching_profitable): Do not insert prefetches
1005 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1006 times the prefetch ahead distance.
1008 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1010 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1011 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1012 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1015 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1017 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1018 a diagnostic info when the insn-to-mem ratio is too small.
1020 2010-05-07 Richard Guenther <rguenther@suse.de>
1022 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1024 (store_arg): Queue temp_filename for deletion instead of
1027 2010-05-07 Richard Guenther <rguenther@suse.de>
1029 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1030 (run_gcc): Handle LTRANS phase invocation.
1031 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1033 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1035 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1036 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1038 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1040 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1042 2010-05-07 Richard Guenther <rguenther@suse.de>
1044 PR tree-optimization/44020
1045 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1046 code when PRE is not yet initialized.
1048 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1050 * config/mips/dbxmdebug.h: Remove.
1051 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1053 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1055 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1056 with null pointer and also warn about ordered comparison of zero with
1059 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1061 * graphite-blocking.c
1062 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1063 * graphite-clast-to-gimple.c
1064 (clast_to_gcc_expression): Same.
1065 (precision_for_value): Same.
1066 (precision_for_interval): Same.
1067 (gcc_type_for_interval): Same.
1068 (graphite_create_new_guard): Same.
1069 (compute_bounds_for_level): Same.
1070 (graphite_create_new_loop_guard): Same.
1071 * graphite-interchange.c
1072 (build_linearized_memory_access): Same.
1073 (pdr_stride_in_loop): Same.
1074 (memory_strides_in_loop_1): Same.
1075 (memory_strides_in_loop): Same.
1076 (extend_scattering): Same.
1077 (psct_scattering_dim_for_loop_depth): Same.
1078 (pbb_number_of_iterations): Same.
1080 (debug_iteration_domains): Same.
1082 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1083 (ppl_set_inhomogeneous_gmp): Same.
1084 (ppl_strip_loop): Same.
1085 (ppl_lexico_compare_linear_expressions): Same.
1086 (ppl_read_polyhedron_matrix): Same.
1087 (ppl_max_for_le_pointset): Same.
1089 (ppl_read_polyhedron_matrix): Same.
1090 (tree_int_to_gmp): Same.
1091 (gmp_cst_to_tree): Same.
1092 (ppl_set_inhomogeneous): Same.
1093 (ppl_set_inhomogeneous_tree): Same.
1094 (ppl_set_coef): Same.
1095 (ppl_set_coef_tree): Same.
1096 * graphite-sese-to-poly.c
1097 (build_pbb_scattering_polyhedrons): Same.
1098 (build_scop_scattering): Same.
1099 (scan_tree_for_params_right_scev): Same.
1100 (scan_tree_for_params): Same.
1101 (find_params_in_bb): Same.
1102 (find_scop_parameters): Same.
1103 (add_upper_bounds_from_estimated_nit): Same.
1104 (build_loop_iteration_domains): Same.
1105 (add_condition_to_domain): Same.
1106 (pdr_add_memory_accesses): Same.
1108 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1110 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1111 CLooG's value_* macros to their respective mpz_* counterparts.
1112 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1113 (graphite_create_new_loop_guard): Same.
1114 * graphite-interchange.c (build_linearized_memory_access): Same.
1115 (pdr_stride_in_loop): Same.
1116 (memory_strides_in_loop_1): Same.
1117 (1st_interchange_profitable_p): Same.
1118 * graphite-poly.c (extend_scattering): Same.
1119 (psct_scattering_dim_for_loop_depth): Same.
1120 (pbb_number_of_iterations): Same.
1121 (pbb_number_of_iterations_at_time): Same.
1122 * graphite-poly.h (new_1st_loop): Same.
1123 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1124 (oppose_constraint): Same.
1125 (insert_constraint_into_matrix): Same.
1126 (ppl_set_inhomogeneous_gmp): Same.
1127 (ppl_set_coef_gmp): Same.
1128 (ppl_strip_loop): Same.
1129 (ppl_lexico_compare_linear_expressions): Same.
1130 (ppl_max_for_le_pointset): Same.
1131 (ppl_min_for_le_pointset): Same.
1132 (ppl_build_realtion): Same.
1133 * graphite-ppl.h (gmp_cst_to_tree): Same.
1134 (ppl_set_inhomogeneous): Same.
1135 (ppl_set_inhomogeneous_tree): Same.
1136 (ppl_set_coef): Same.
1137 (ppl_set_coef_tree): Same.
1138 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1139 (build_scop_scattering): Same.
1140 (add_value_to_dim): Same.
1141 (scan_tree_for_params_right_scev): Same.
1142 (scan_tree_for_params_int): Same.
1143 (scan_tree_for_params): Same.
1144 (find_params_in_bb): Same.
1145 (find_scop_parameters): Same.
1146 (add_upper_bounds_from_estimated_nit): Same.
1147 (build_loop_iteration_domains): Same.
1148 (create_linear_expr_from_tree): Same.
1149 (add_condition_to_domain): Same.
1150 (pdr_add_memory_accesses): Same.
1152 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1153 Jason Merrill <jason@redhat.com>
1155 * c-common.c (c_common_reswords): Add nullptr.
1156 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1157 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1158 (gen_type_die_with_usage): Likewise.
1159 * dbxout.c (dbxout_type): Likewise.
1160 * sdbout.c (plain_type_1): Likewise.
1162 2010-05-06 Jason Merrill <jason@redhat.com>
1164 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1165 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1167 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1169 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1170 stripping WITH_SIZE_EXPR.
1171 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1174 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1176 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1177 list of obsolete configurations.
1178 Disabled check for obsolete configurations.
1179 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1180 Removed support for previous versions.
1181 * config/mips/iris.h: Removed.
1182 * config/mips/iris5.h: Removed.
1183 * config/mips/iris6.h: Merged old iris.h contents.
1184 (TARGET_IRIX): Removed.
1185 (DRIVER_SELF_SPECS): Removed mabi=32.
1186 (IDENT_ASM_OP): Removed undef.
1187 (STARTFILE_SPEC): Removed mabi=32.
1188 (ENDFILE_SPEC): Likewise.
1189 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1190 (MACHINE_TYPE): Update for IRIX 6.5.
1191 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1192 TARGET_IRIX by TARGET_IRIX6.
1193 (mips_file_start): Likewise.
1194 (mips_output_external): Remove IRIX 5/6 O32 support.
1195 (mips_output_function_prologue): Likewise.
1196 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1198 (TARGET_CPU_CPP_BUILTINS): Likewise.
1199 (TARGET_IRIX): Removed.
1200 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1201 (MULTILIB_DIRNAMES): Removed 32.
1202 (MULTILIB_OSDIRNAMES): Removed ../lib.
1203 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1204 (Specific, mips-sgi-irix5): Document removal.
1205 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1206 Remove references to older IRIX 6 releases and the O32 ABI.
1208 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1211 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1212 instead of DF_REF_REAL_REG.
1214 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1217 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1218 handling to still return true for x64 targets.
1220 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1222 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1224 2010-05-06 Jan Hubicka <jh@suse.cz>
1226 PR tree-optimization/43791
1227 * ipa-inline.c (update_caller_keys): Remove bogus
1228 disregard_inline_limits check.
1230 2010-05-06 Michael Matz <matz@suse.de>
1232 PR tree-optimization/43984
1233 * tree-ssa-pre.c (inserted_phi_names): Remove.
1234 (inserted_exprs): Change to bitmap.
1235 (create_expression_by_pieces): Set bits, don't append to vector.
1236 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1237 (eliminate): Don't look at inserted_phi_names, remove deleted
1238 insns from inserted_exprs.
1239 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1240 (init_pre, fini_pre): Allocate and free bitmaps.
1241 (execute_pre): Insert insns on edges before elimination.
1243 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1245 * tree.c (initializer_zerop): Handle STRING_CST.
1247 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1250 * doc/invoke.texi (Wimplicit): Document as C only.
1251 * opts.c (common_handle_option): Add argument kind.
1252 (handle_option): Rename as read_cmdline_option. Factor out code to...
1253 (handle_option): ... here. New.
1254 (handle_options): Rename as read_cmdline_options.
1255 (decode_options): Update call.
1256 (set_option): Use option index instead of option pointer. Classify
1257 diagnostics correctly.
1258 (enable_warning_as_error): Call handle_option.
1259 * opts.h (set_option): Update declaration.
1260 (handle_option): Declare.
1261 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1262 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1263 * c-opts.c (set_Wimplicit): Delete.
1264 (c_family_lang_mask): New static constant.
1265 (c_common_handle_option): Add argument kind. Use handle_option
1266 instead of set_Wimplicit.
1267 (c_common_post_options): warn_implicit and warn_implicit_int
1268 are disabled by default.
1269 * c-common.c (warn_implicit): Do not define here.
1270 * c-common.h (warn_implicit): Do not declare here.
1271 (c_common_handle_option): Update declaration.
1272 * lto-opts.c (lto_reissue_options): Update call to set_option.
1274 2010-05-06 Richard Guenther <rguenther@suse.de>
1276 PR tree-optimization/43571
1277 * domwalk.c (walk_dominator_tree): Walk the dominator
1278 sons in more optimal order.
1280 2010-05-06 Richard Guenther <rguenther@suse.de>
1282 PR tree-optimization/43934
1283 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1284 (stmt_cost): Likewise.
1285 (extract_true_false_args_from_phi): New helper.
1286 (determine_max_movement): For PHI nodes verify we can hoist them
1287 and compute their cost.
1288 (determine_invariantness_stmt): Handle PHI nodes.
1289 (move_computations_stmt): Likewise. Hoist PHI nodes in
1290 if-converted form using COND_EXPRs.
1291 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1292 (tree_ssa_lim): Likewise.
1293 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1294 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1296 2010-05-06 Richard Guenther <rguenther@suse.de>
1298 PR tree-optimization/43987
1299 * tree-ssa-structalias.c (could_have_pointers): For possibly
1300 address-taken variables force pointers to be recorded.
1301 (create_variable_info_for_1): Likewise.
1302 (push_fields_onto_fieldstack): Pass in wheter all fields
1304 (find_func_aliases): Query types instead of vars whether
1305 they contain pointers where appropriate.
1307 2010-05-06 Jan Hubicka <jh@suse.cz>
1309 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1310 (record_reference, mark_address, mark_load, mark_store): Record
1312 (record_references_in_initializer): Update call of record_references.
1313 (rebuild_cgraph_edges): Remove all references before rebuiding.
1314 * cgraph.c (cgraph_create_node): Clear ref list.
1315 (cgraph_remove_node): Remove references.
1316 (dump_cgraph_node): Dump references.
1317 (cgraph_clone_node): Clone references.
1318 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1319 (struct cgraph_node, varpool_node): Add ref_lst.
1320 * ipa-ref.c: New file.
1321 * ipa-ref.h: New file.
1322 * ipa-ref-inline.h: New file.
1323 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1324 (referenced_from_other_partition_p): New function.
1325 (lto_output_varpool_node): Take set arugment; call
1326 referenced_from_other_partition.
1327 (lto_output_ref): New.
1328 (add_references): New.
1330 (output_cgraph): Compute boundary based on references; output refs.
1331 (output_varpool): Accept cgraph_node_set argument.
1334 (input_cgraph): Call input_refs.
1335 * lto-section-in.c (lto_section_name): Add refs.
1336 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1337 (ipa-ref.o): New file.
1338 * varpool.c (varpool_node): Clear ipa ref list.
1339 (varpool_remove_node): Remove references.
1340 (dump_varpool_node): Dump references.
1341 (varpool_assemble_decl): Only compile finalized ones.
1342 (varpool_extra_name_alias): Initialize ref list.
1343 * lto-streamer.c (lto-get_section_name): Add .refs section.
1344 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1345 (referenced_from_other_partition_p): Declared.
1347 2010-05-06 Ira Rosen <irar@il.ibm.com>
1349 PR tree-optimization/43901
1350 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1351 type is not NULL if it's transformation phase, and return
1352 FALSE if it's analysis.
1353 (vectorizable_conversion, vectorizable_operation,
1354 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1356 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1358 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1360 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1362 * config/mips/mips-protos.h
1363 (mips_small_register_classes_for_mode_p): Delete prototype.
1365 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1367 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1368 * config/arm/arm.c (multiple_operation_profitable_p,
1369 compute_offset_order): New static functions.
1370 (load_multiple_sequence, store_multiple_sequence): Use them.
1371 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1372 memory offsets, not register numbers.
1373 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1375 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1377 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1378 (get_pending_sizes, put_pending_size, put_pending_sizes):
1379 Update the uses of pending_sizes.
1380 * c-decl.c (store_parm_decls): Likewise.
1381 * c-tree.h (struct c_arg_info): Likewise.
1382 * tree.h: Update the prototype for get_pending_sizes and
1385 2010-05-05 Jason Merrill <jason@redhat.com>
1388 * c-common.c (handle_aligned_attribute): Respect
1389 ATTR_FLAG_TYPE_IN_PLACE.
1392 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1393 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1394 (TARGET_INITIALIZER): Use it.
1395 * c-common.c (attribute_takes_identifier_p): Call it.
1396 * c-common.h: Update prototype.
1397 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1398 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1400 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1403 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1404 DW_ID_down_case for Fortran compilation units.
1406 2010-05-05 Jan Hubicka <jh@suse.cz>
1408 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1411 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1413 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1414 a variable-sized RESULT_DECL.
1416 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1418 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1420 2010-05-05 Jason Merrill <jason@redhat.com>
1423 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1425 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1427 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1428 Jakub Jelinek <jakub@redhat.com>
1431 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1432 (dead_debug_init, dead_debug_finish): New functions.
1433 (dead_debug_add, dead_debug_insert_before): Likewise.
1434 (df_note_bb_compute): Initialize a dead_debug object, add dead
1435 debug uses to it, insert debug bind insns before death insns,
1436 reset debug insns that refer to pending uses at the end.
1437 * rtl.h (make_debug_expr_from_rtl): New prototype.
1438 * varasm.c (make_debug_expr_from_rtl): New function.
1440 2010-05-05 Jan Hubicka <jh@suse.cz>
1442 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1443 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1444 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1445 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1446 lto_varpool_encoder_encode_initializer_p,
1447 lto_set_varpool_encoder_encode_initializer): New functions.
1448 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1449 call output_varpool.
1450 (input_varpool_node): Do not always set analyzed.
1451 (input_cgraph_1): Return vector of cgraph nodes.
1452 (input_varpool_1): Return vector of varpools.
1453 (input_cgraph): Free the vectors.
1454 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1455 output only initializers needed.
1456 (lto_output): Only call output_cgraph.
1457 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1458 * lto-section-out.c (lto_new_out_decl_state): Initialize
1459 state->varpool_node_encoder.
1460 * lto-streamer.h (lto_varpool_encoder_d): New.
1461 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1462 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1463 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1464 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1465 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1467 (output_varpool, input_varpool): Remove declarations.
1469 2010-05-05 Jan Hubicka <jh@suse.cz>
1471 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1472 with body can prevail.
1474 2010-05-05 Jan Hubicka <jh@suse.cz>
1476 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1479 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1481 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1483 * gengtype.h (erro_at_line): Constify pos argument.
1485 * gengtype.c: Include hashtab.h.
1486 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1487 (error_at_line): Constify pos argument.
1488 (do_typedef): Initialize p->opt field.
1489 (get_file_gtfilename): Fix comment typo.
1490 (struct walk_type_data): Constify line field.
1491 (get_output_file_for_structure): New function.
1492 (write_local_func_for_structure): Constify orig_s argument.
1493 Use get_output_file_for_structure.
1494 (write_func_for_structure): Use get_output_file_for_structure.
1495 (INDENT): New define.
1496 (dump_pair, dump_type, dump_type_list, dump_typekind)
1497 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1498 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1500 (seen_types): New variable.
1501 (main): New variable do_dump. Process "-d" command line option.
1502 Call dump_everything if dump requested.
1504 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1506 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1507 in a temporary instead of invoking the macro multiple times.
1508 (track_expr_p): Likewise.
1510 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1512 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1514 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1515 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1516 conditions for printing notes.
1517 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1518 true, update documentation.
1519 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1521 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1524 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1527 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1530 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1531 (*sse_prologue_save_insn1): Likewise.
1532 (SSE prologue save splitter): Likewise.
1534 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1536 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1537 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1538 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1539 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1540 all decls. Call it on DECL_FIELD_OFFSET of fields.
1541 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1542 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1544 2010-05-04 Martin Jambor <mjambor@suse.cz>
1546 * tree-sra.c (build_access_from_expr_1): The first parameter type
1547 changed to simple tree.
1548 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1549 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1551 (build_accesses_from_assign): Removed all parameters except for a
1552 simple gimple statement. Now returns a simple bool.
1553 (scan_function): All non-analysis parts moved to separate functions
1554 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1555 parameters and updated both callers.
1556 (sra_modify_expr): Removed parameter data.
1557 (sra_modify_function_body): New function.
1558 (perform_intra_sra): Call sra_modify_function_body to modify the
1560 (replace_removed_params_ssa_names): Parameter data changed into
1562 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1563 changed the parameter dont_convert to convert with the opposite
1565 (sra_ipa_modify_assign): Parameter data changed into adjustments
1566 vector, return value changed to bool.
1567 (ipa_sra_modify_function_body): New function.
1568 (sra_ipa_reset_debug_stmts): Updated a comment.
1569 (modify_function): Use ipa_sra_modify_function_body to modify function
1572 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1575 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1576 (canon_true_dependence): Likewise.
1577 (write_dependence_p): Likewise.
1579 2010-05-04 Jan Hubicka <jh@suse.cz>
1581 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1582 * cgraphbuild.c: Include ipa-utils.h
1583 (record_reference_ctx): New struct.
1584 (record_reference): Simplify to work on initializers; not statements.
1585 (mark_address, mark_load, mark_store): New.
1586 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1588 (record_references_in_initializer): Update use of record_reference.
1589 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1592 2010-05-04 Jan Hubicka <jh@suse.cz>
1594 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1595 node will be removed anyway.
1596 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1597 relink aliases of node into prevailing node.
1598 * varpool.c (varpool_remove_node): Remove aliases properly;
1599 when removing node, remove all its aliases too; remove DECL_INITIAL
1600 of removed node; ggc_free the varpool node.
1602 2010-05-04 Richard Guenther <rguenther@suse.de>
1604 PR tree-optimization/43879
1605 * tree-ssa-structalias.c (alias_get_name): Use
1606 DECL_ASSEMBLER_NAME if available.
1607 (create_function_info_for): Return the varinfo node.
1608 (ipa_pta_execute): Associate same-body aliases and extra names
1609 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1611 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1613 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1615 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1618 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1619 only if HONOR_REG_ALLOC_ORDER is not defined.
1621 2010-05-04 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/43949
1624 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1627 2010-04-26 Jason Merrill <jason@redhat.com>
1629 * c.opt (-fstrict-enums): New.
1630 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1632 2010-05-03 David Ung <davidu@mips.com>
1633 James E. Wilson <wilson@codesourcery.com>
1635 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1636 emit the trap instruction before the divide for TUNE_74K.
1638 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1640 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1641 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1642 based on the above, for new target hook.
1644 * hooks.c (hook_bool_mode_true): New generic hook.
1645 * hooks.h (hook_bool_mode_true): Add prototype.
1647 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1649 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1650 target hook, set to hook_bool_mode_false.
1651 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1652 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1653 with targetm.small_register_classes_for_mode_p.
1654 (find_reusable_reload): Likewise.
1655 (combine_reloads): Likewise.
1656 * reload1.c (reload_as_needed): Likewise.
1657 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1658 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1659 dead_or_predicable): Likewise.
1660 * regmove.c (optimize_reg_copy_1): Likewise.
1661 * calls.c (prepare_call_address): Likewise.
1662 (precompute_register_parameters): Likewise.
1664 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1666 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1667 implementation of the hook that considers all register classes
1668 small except for SH64.
1669 (sh_override_options): Use the new hook.
1670 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1673 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1675 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1676 implementation of the hook that considers all register classes
1678 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1681 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1683 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1684 implementation of the hook that considers all register classes
1686 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1689 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1691 * config/m32c/m32c.h: Likewise.
1692 * config/pdp11/pdp11.h: Likewise.
1693 * config/avr/avr.h: Likewise.
1694 * config/xtensa/xtensa.h: Likewise.
1695 * config/m68hc11/m68hc11.h: Likewise.
1696 * config/mn10300/mn10300.h: Likewise.
1697 * config/mcore/mcore.h: Likewise.
1698 * config/h8300/h8300.h: Likewise.
1699 * config/bfin/bfin.h: Likewise.
1701 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1702 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1704 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1706 * double-int.h (tree_to_double_int): Remove macro.
1707 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1708 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1709 (tree_to_double_int): New function.
1710 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1712 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1714 2010-05-03 Richard Guenther <rguenther@suse.de>
1716 PR tree-optimization/43971
1717 * tree-ssa-structalias.c (get_constraint_for_1): Fix
1718 constraints in the !flag_delete_null_pointer_checks case.
1720 2010-05-03 Jakub Jelinek <jakub@redhat.com>
1723 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1724 result mode matches original rtl mode.
1726 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
1729 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1731 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1733 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1734 when processing flag options.
1736 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1738 * gcov-iov.c (main): Change format string placeholder
1739 from %#08x to 0x%08x.
1740 * genchecksum.c (dosum): Change format string placeholder
1741 from %#02x to 0x%02x.
1743 2010-05-02 Richard Guenther <rguenther@suse.de>
1745 PR tree-optimization/43879
1746 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1748 2010-05-02 Bruno Haible <bruno@clisp.org>
1750 * doc/extend.texi (Function Attributes): Fix a typo.
1752 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1755 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1756 placeholder from 0x%x to %#x.
1757 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1758 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1759 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1760 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1761 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1762 * config/i386/i386.c (ix86_target_string): Ditto.
1763 * config/i386/i386.c (output_pic_addr_const): Ditto.
1764 (print_operand): Ditto.
1766 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
1768 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1769 placeholder from 0x%x to %#x.
1770 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1771 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1772 (ASM_OUTPUT_DEBUG_DATA): Ditto.
1773 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1774 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1775 * optc-gen.awk: Ditto.
1776 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1777 (HOST_WIDE_INT_PRINT_HEX): Ditto.
1778 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1779 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1781 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1783 * target.h (struct calls): Add function_value_regno_p field.
1784 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1785 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1786 * targhooks.c (default_function_value_regno_p): New function.
1787 * targhooks.h (default_function_value_regno_p): Declare function.
1788 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1789 * builtins.c. (apply_result_size): (Ditto.).
1790 * combine.c. (likely_spilled_retval_p): (Ditto.).
1791 * mode-switching.c. Include 'target.h'.
1792 (create_pre_exit): Use function_value_regno_p hook.
1793 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1794 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1795 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1797 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1798 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1799 (ix86_function_value_regno_p): Declare as static, change argument
1800 type to const unsigned int.
1801 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1803 2010-05-01 Richard Guenther <rguenther@suse.de>
1805 PR tree-optimization/43949
1806 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1808 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1810 2010-05-01 Anatoly Sokolov <aesok@post.ru>
1812 * rtl.h (CONST_DOUBLE_P): Define.
1813 (rtx_to_double_int): Declare.
1814 * emit-rtl.c (rtx_to_double_int): New function.
1815 * dwarf2out.c (insert_double): New function.
1816 (loc_descriptor, add_const_value_attribute): Clean up, use
1817 rtx_to_double_int and insert_double functions.
1819 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
1821 * doc/extend.texi (Inline): Add missing return keyword to examples.
1822 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1825 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
1827 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1828 the variable part of the offset as well. Use highest_pow2_factor for
1829 all alignment checks.
1831 2010-04-30 Richard Guenther <rguenther@suse.de>
1833 PR tree-optimization/43879
1834 * tree-ssa-structalias.c (type_could_have_pointers): Functions
1837 2010-04-30 Jan Hubicka <jh@suse.cz>
1839 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1841 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1843 2010-04-30 Jan Hubicka <jh@suse.cz>
1845 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1847 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1848 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1849 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1850 cgraph_node_set_needs_ltrans_p): Remove.
1852 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1854 * sdbout.c: Include vec.h, do not include varray.h.
1855 (deferred_global_decls, sdbout_global_decl,
1856 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1857 * toplev.c: Do not include varray.h.
1858 (dump_memory_report): Do not dump VARRAY statistics.
1859 * gengtype.c (open_base_file): Ignore varray.h.
1860 * Makefile.in: Update for abovementioned changes.
1861 Remove all traces of varray.c and varray.h.
1862 * varray.c: Remove file.
1863 * varray.h: Remove file.
1865 2010-04-30 Jan Hubicka <jh@suse.cz>
1867 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1870 2010-04-30 Jan Hubicka <jh@suse.cz>
1872 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1875 2010-04-30 Richard Guenther <rguenther@suse.de>
1877 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1878 constraints for CONSTRUCTOR.
1880 2010-04-30 Richard Guenther <rguenther@suse.de>
1883 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1884 first after all lowering passes.
1886 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1888 * toplev.c: Include varray.h for statistics dumping.
1889 * tree.h: Do not declare varray_head_tag.
1890 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1891 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1892 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1893 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1894 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1895 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1896 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1897 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1899 * Makefile.in: Update for abovementioned changes.
1901 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1904 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1906 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1908 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1909 Use this function to do machine-specific conversion.
1910 (picochip_legitimize_reload_address): Likewise.
1911 (picochip_legitimate_address_p): Check valid base register only if
1913 (picochip_check_conditional_copy): Check for modw only if opnd is
1915 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1916 to call the function in c.
1917 * config/picochip/picochip-protos.h
1918 (picochip_legitimize_reload_address): Define.
1919 * config/picochip/picochip.md (supported_compare1): Define.
1921 2010-04-30 Jan Hubicka <jh@suse.cz>
1923 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1924 (cgraph_global_info): Remove inlined.
1925 (LTO_cgraph_tag_names): Remove.
1926 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1927 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1928 simplify cgraph tags and document.
1929 (lto_output_node): Use only LTO_cgraph_unavail_node and
1930 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1931 for_functions_valid, global info, process and output flags.
1932 (input_overwrite_node): Initialize estimated stack size and
1933 estimated growth. Do not read flags we no longer store.
1934 (input_node): Likewise do not read info no longer stored.
1935 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1938 2010-04-30 Richard Guenther <rguenther@suse.de>
1940 PR tree-optimization/43879
1941 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1942 handle non-zero initializers.
1944 2010-04-30 Richard Guenther <rguenther@suse.de>
1946 * builtins.c (fold_builtin_1): Delete free (0).
1948 2010-04-29 Jan Hubicka <jh@suse.cz>
1950 * gengtype.c (open_base_files): Add lto-streamer.h
1951 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1952 (pass_ipa_cp): GGC collect.
1953 * toplev. (compile_file): Do not output symbols.
1954 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1955 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1956 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1957 * lto-section-in.c: Include ggc.h
1958 (lto_new_in_decl_state): Alloc in GGC.
1959 (lto_delete_in_decl_state): Likewise.
1960 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1963 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1966 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1967 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1968 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1969 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1970 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1971 account only if HONOR_REG_ALLOC_ORDER is not defined.
1972 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1973 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1975 2010-04-29 Jon Grant <04@jguk.org>
1977 * collect2.c (vflag): Change type from int to bool.
1979 (helpflag): New global bool.
1980 (main): Set vflag and debug with boolean, not integer truth values.
1981 Accept new "--help" option and output usage text if found.
1982 * collect2.h (vflag): Update prototype.
1985 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1988 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1990 2010-04-29 Richard Guenther <rguenther@suse.de>
1993 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1994 with ATTRIBUTE_UNUSED.
1996 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1999 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2000 INSN_P with NONDEBUG_INSN_P.
2001 (distance_non_agu_define): Likewise.
2002 (distance_agu_use): Likewise.
2004 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2006 From Dominique d'Humieres <dominiq@lps.ens.fr>
2008 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2011 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2013 * plugin.h (invoke_plugin_callbacks): New inline function.
2014 * plugin.c (flag_plugin_added): New global flag.
2015 (add_new_plugin): Initialize above flag.
2016 (invoke_plugin_callbacks): Rename to ...
2017 (invoke_plugin_callbacks_full): ... this.
2019 2010-04-28 Jan Hubicka <jh@suse.cz>
2021 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2022 (lto_varpool_replace_node): New.
2023 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2024 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2025 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2026 * cgraph.h (varpool_node_ptr): New type.
2027 (varpool_node_ptr): New vector.
2028 (varpool_node_set_def): New structure.
2029 (varpool_node_set): New type.
2030 (varpool_node_set): New vector.
2031 (varpool_node_set_element_def): New structure.
2032 (varpool_node_set_element, const_varpool_node_set_element): New types.
2033 (varpool_node_set_iterator): New type.
2034 (varpool_node): Add prev pointers, add used_from_other_partition,
2036 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2037 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2038 varpool_get_node, varpool_remove_node): Declare.
2039 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2040 varpool_node_set_size): New inlines.
2041 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2042 * tree-pass.h (varpool_node_set_def): Forward declare.
2043 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2044 (ipa_write_optimization_summaries): Update prototype.
2045 * ipa-cp.c (ipcp_write_summary): Update.
2046 * ipa-reference.c (ipa_reference_write_summary): Update.
2047 * lto-cgraph.c (lto_output_varpool_node): New static function.
2048 (output_varpool): New function.
2049 (input_varpool_node): New static function.
2050 (input_varpool_1): New function.
2051 (input_cgraph): Input varpool.
2052 * ipa-pure-const.c (pure_const_write_summary): Update.
2053 * lto-streamer-out.c (lto_output): Update, output varpool too.
2054 (write_global_stream): Kill WPA hack.
2055 (produce_asm_for_decls): Update.
2056 (output_alias_pair_p): Handle variables.
2057 (output_unreferenced_globals): Output only needed partition of varpool.
2058 * ipa-inline.c (inline_write_summary): Update.
2059 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2061 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2062 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2063 varpool_node_set_new, varpool_node_set_add,
2064 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2065 debug_varpool_node_set): New functions.
2066 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2067 (execute_one_pass): Process new decls too.
2068 (ipa_write_summaries_2): Pass around vsets.
2069 (ipa_write_summaries_1): Likewise.
2070 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2072 (ipa_write_optimization_summaries_1): Pass around vsets.
2073 (ipa_write_optimization_summaries): Likewise.
2074 * varpool.c (varpool_get_node): New.
2075 (varpool_node): Update doubly linked lists.
2076 (varpool_remove_node): New.
2077 (dump_varpool_node): More dumping.
2078 (varpool_enqueue_needed_node): Update doubly linked lists.
2079 (decide_is_variable_needed): Kill ltrans hack.
2080 (varpool_finalize_decl): Kill lto hack.
2081 (varpool_assemble_decl): Skip decls in other partitions.
2082 (varpool_assemble_pending_decls): Update doubly linkes lists.
2083 (varpool_empty_needed_queue): Likewise.
2084 (varpool_extra_name_alias): Likewise.
2085 * lto-streamer.c (lto_get_section_name): Add vars section.
2086 * lto-streamer.h (lto_section_type): Update.
2087 (output_varpool, input_varpool): Declare.
2089 2010-04-28 Mike Stump <mikestump@comcast.net>
2091 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2093 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2095 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2096 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2097 (lto_input_ts_type_tree_pointers): Likewise.
2098 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2099 (lto_output_ts_type_tree_pointers): Likewise.
2101 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2103 Uniquization of constants at the Tree level
2104 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2105 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2107 (tree_output_constant_def): Declare.
2108 * gimplify.c (gimplify_init_constructor): When using block copy, first
2109 uniquize the constant constructor on the RHS.
2110 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2111 DECL_IN_CONSTANT_POOL flag.
2112 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2113 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2115 (assemble_variable): Deal with symbols belonging to the tree constant
2117 (get_constant_section): Add ALIGN parameter and simplify.
2118 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2119 (assemble_constant_contents): Use the expression of the VAR_DECL.
2120 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2121 (tree_output_constant_def): New global function.
2122 (mark_constant): Use the expression of the VAR_DECL.
2123 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2125 (output_object_block): Likewise and assemble the expression.
2127 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2129 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2130 hash_tree, eq_tree): New tree hash table.
2131 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2132 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2133 lto_orig_address_remove): Reimplement.
2135 2010-04-28 Xinliang David Li <davidxl@google.com>
2138 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2139 (compute_uninit_opnds_pos): New function.
2140 (is_non_loop_exit_postdominating): New function.
2141 (compute_control_dep_chain): New function.
2142 (find_pdom): New function.
2143 (convert_control_dep_chain_into_preds): New function.
2144 (find_predicates): New function.
2145 (find_control_equiv_block): New function.
2146 (collect_phi_def_edges): New function.
2147 (find_def_preds): New function.
2148 (find_dom): New function.
2149 (dump_predicates): New function.
2150 (get_cmp_code): New function.
2151 (is_value_included_in): New function.
2152 (find_matching_predicate_in_rest_chains): New function.
2153 (use_pred_not_overlap_with_undef_path_pred): New function.
2154 (is_use_properly_guarded): New function.
2155 (normalize_cond_1): New function.
2156 (is_and_or_or): New function.
2157 (normalize_cond): New function.
2158 (is_gcond_subset_of): New function.
2159 (is_subset_of_any): New function.
2160 (is_or_set_subset_of): New function.
2161 (is_and_set_subset_of): New function.
2162 (is_norm_cond_subset_of): New function.
2163 (is_pred_expr_subset_of): New function.
2164 (is_pred_chain_subset_of): New function.
2165 (is_included_in): New function.
2166 (is_superset_of): New function.
2167 (find_uninit_use): New function.
2168 (warn_uninitialized_phi): New function.
2169 (compute_possibly_undefined_names): New function.
2170 (ssa_undefined_value_p): New function.
2171 (execute_late_warn_uninitialized): New function.
2172 * tree-ssa.c (ssa_undefined_value_p): Removed.
2173 (warn_uninit): Changed to extern.
2174 (warn_uninitialized_phi): Removed.
2175 (warn_uninitialized_vars): Changed to extern.
2176 (execute_late_warn_uninitialized): Removed
2177 * tree-flow.h: Add new prototypes.
2178 * timevar.def: Add new time variable.
2179 * Makefile.in: Add new build file.
2181 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2183 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2186 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2189 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2191 2010-04-28 Martin Jambor <mjambor@suse.cz>
2193 * cgraph.h (struct cgraph_node): New field indirect_calls.
2194 (struct cgraph_indirect_call_info): New type.
2195 (struct cgraph_edge): Removed field indirect_call. New fields
2196 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2197 (cgraph_create_indirect_edge): Declare.
2198 (cgraph_make_edge_direct): Likewise.
2199 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2200 * ipa-prop.h (struct ipa_param_call_note): Removed.
2201 (struct ipa_node_params): Removed field param_calls.
2202 (ipa_create_all_structures_for_iinln): Declare.
2203 * cgraph.c: Described indirect edges and uids in initial comment.
2204 (cgraph_add_edge_to_call_site_hash): New function.
2205 (cgraph_edge): Search also among the indirect edges, use
2206 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2207 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2208 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2210 (initialize_inline_failed): Assign a reason to indirect edges.
2211 (cgraph_create_edge_1): New function.
2212 (cgraph_create_edge): Moved some functionality to
2213 cgraph_create_edge_1.
2214 (cgraph_create_indirect_edge): New function.
2215 (cgraph_edge_remove_callee): Add an assert checking for
2217 (cgraph_edge_remove_caller): Special-case indirect edges.
2218 (cgraph_remove_edge): Likewise.
2219 (cgraph_set_edge_callee): New function.
2220 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2221 (cgraph_make_edge_direct): New function.
2222 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2223 the declaration of the call statement matches.
2224 (cgraph_node_remove_callees): Special-case indirect edges.
2225 (cgraph_clone_edge): Likewise.
2226 (cgraph_clone_node): Clone also the indirect edges.
2227 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2228 indirect_call, dump count of indirect_calls edges.
2229 * ipa-prop.c (iinlining_processed_edges): New variable.
2230 (ipa_note_param_call): Create indirect edges instead of
2231 creating notes. New parameter node.
2232 (ipa_analyze_call_uses): New parameter node, pass it on to
2233 ipa_note_param_call.
2234 (ipa_analyze_stmt_uses): Likewise.
2235 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2236 (print_edge_addition_message): Work on edges rather than on notes.
2237 (update_call_notes_after_inlining): Likewise, renamed to
2238 update_indirect_edges_after_inlining.
2239 (ipa_create_all_structures_for_iinln): New function.
2240 (ipa_free_node_params_substructures): Do not free notes.
2241 (ipa_edge_duplication_hook): Propagate bits within
2242 iinlining_processed_edges bitmap.
2243 (ipa_node_duplication_hook): Do not duplicate notes.
2244 (free_all_ipa_structures_after_ipa_cp): Renamed to
2245 ipa_free_all_structures_after_ipa_cp.
2246 (free_all_ipa_structures_after_iinln): Renamed to
2247 ipa_free_all_structures_after_iinln.
2248 (ipa_write_param_call_note): Removed.
2249 (ipa_read_param_call_note): Removed.
2250 (ipa_write_indirect_edge_info): New function.
2251 (ipa_read_indirect_edge_info): Likewise.
2252 (ipa_write_node_info): Do not stream notes, do stream information
2254 (ipa_read_node_info): Likewise.
2255 (lto_ipa_fixup_call_notes): Removed.
2256 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2257 * ipa-inline.c (pass_ipa_inline): Likewise.
2258 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2259 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2260 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2262 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2264 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2265 (output_cgraph): Stream also indirect edges.
2266 (lto_output_edge): Added capability to stream indirect edges.
2267 (input_edge): Likewise.
2268 (input_cgraph_1): Likewise.
2269 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2272 2010-04-28 Richard Guenther <rguenther@suse.de>
2274 PR tree-optimization/43879
2275 PR tree-optimization/43909
2276 * tree-ssa-structalias.c (struct variable_info): Add
2277 only_restrict_pointers flag.
2278 (new_var_info): Initialize it. Increment stats.total_vars here.
2279 (create_function_info_for): Do not increment stats.total_vars here.
2280 (get_function_part_constraint): Fix build with C++.
2281 (insert_into_field_list): Remove.
2282 (push_fields_onto_fieldstack): Properly merge fields.
2283 (create_variable_info_for): Split and simplify.
2284 (create_variable_info_for_1): New piece.
2285 (intra_create_variable_infos): Properly make restrict constraints
2288 2010-04-28 Richard Guenther <rguenther@suse.de>
2291 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2293 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2294 Jan Hubicka <hubicka@ucw.cz>
2296 * doc/invoke.texi (-Wsuggest-attribute=const,
2297 -Wsuggest-attribute=pure): Document.
2298 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2299 (function_always_visible_to_compiler_p,
2300 suggest_attribute, warn_function_pure, warn_function_const):
2302 (check_call): Improve debug info.
2303 (analyze_function): Do not check availability.
2304 (add_new_function): Check availability.
2305 (propagate): Output warnings.
2306 (skip_function_for_local_pure_const): New function.
2307 (local_pure_const): Use it; output warnings.
2308 * common.opt (Wsuggest-attribute=const,
2309 Wsuggest-attribute=pure): New.
2311 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2313 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2314 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2315 or DW_CFA_def_cfa_offset{,_sf}.
2317 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2319 * tree.h: Fix truncated long macros.
2321 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2323 * collect2.c (TARGET_64BIT): Redefine to target's default.
2324 * tlink.c: Likewise.
2325 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2326 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2327 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2328 for underscoring __USER_LABEL_PREFIX__.
2329 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2330 (SUB_LINK_ENTRY32): New.
2331 (SUB_LINK_ENTRY64): New.
2332 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2333 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2334 (SUB_LINK_ENTRY64): New.
2335 (SUB_LINK_ENTRY): New.
2336 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2337 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2338 x64 target is choosen.
2339 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2340 * configure: Regenerated.
2341 * configure.ac (leading-mingw64-underscores): Option added.
2343 2010-04-27 Jan Hubicka <jh@suse.cz>
2345 * doc/invoke.texi (-fipa-profile): Document.
2346 * opts.c (decode_options): Enable ipa-profile at -O1.
2347 * timevar.def (TV_IPA_PROFILE): Define.
2348 * common.opt (fipa-profile): Add.
2349 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2351 (cgraph_propagate_frequency): Handle only local ones.
2352 * tree-pass.h (pass_ipa_profile): Declare.
2353 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2354 (pass_ipa_profile): Use TV_IPA_PROFILE.
2355 * ipa.c (ipa_profile): New function.
2356 (gate_ipa_profile): Likewise.
2357 (pass_ipa_profile): New global variable.
2358 * passes.c (pass_ipa_profile): New.
2360 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2362 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2364 2010-04-27 Martin Jambor <mjambor@suse.cz>
2367 * ipa.c (dissolve_same_comdat_group_list): New function.
2368 (function_and_variable_visibility): Call
2369 dissolve_same_comdat_group_list when comdat group contains external or
2371 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2372 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2374 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2376 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2377 (const_hash_1) <VECTOR_CST>: New case.
2378 (compare_constant) <VECTOR_CST>: Likewise.
2379 <ADDR_EXPR>: Deal with LABEL_REFs.
2380 (copy_constant) <VECTOR_CST>: New case.
2382 2010-04-27 Jan Hubicka <jh@suse.cz>
2384 * cgraph.c (cgraph_propagate_frequency): New function.
2385 * cgraph.h (cgraph_propagate_frequency): Declare.
2386 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2387 cgraph_propagate_frequency.
2389 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2391 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2393 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2396 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2397 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2398 here to determine which regs to push and how much stack to reserve.
2400 2010-04-27 Jie Zhang <jie@codesourcery.com>
2402 * doc/gimple.texi (gimple_statement_with_ops): Remove
2403 addresses_taken field.
2404 (gimple_statement_with_memory_ops): Likewise.
2406 2010-04-27 Jan Hubicka <jh@suse.cz>
2408 * tree-inline.c (eni_inlining_weights): Remove.
2409 (estimate_num_insns): Special case more builtins.
2411 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2414 * c-typeck.c (build_binary_op): Move forward check for comparison
2415 pointer with null pointer constant and adjust the diagnostic message.
2417 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2420 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2421 binutils supports extended .section directive needed by LTO, or
2422 warn if older binutils found.
2423 (LTO_BINARY_READER): New AC_SUBST'd variable.
2424 (LTO_USE_LIBELF): Likewise.
2425 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2427 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2428 (LTO_USE_LIBELF): Likewise.
2429 * configure: Regenerate.
2431 * collect2.c (is_elf): Rename from this ...
2432 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2433 object files in addition to ELF-formatted ones.
2434 (scan_prog_file): Caller updated. Also allow for LTO info marker
2435 symbol to be prefixed or not by an extra underscore.
2437 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2438 * config/i386/winnt.c: Also #include lto-streamer.h
2439 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2441 (i386_pe_asm_output_aligned_decl_common): Add comment.
2442 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2444 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2447 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2448 Add missing earlyclobber for second alternative.
2450 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2452 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2453 bits for artificial defs at the top of the block.
2454 * fwprop.c (single_def_use_enter_block): Don't call it.
2456 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2459 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2460 instead of "$gcc_cv_objdump -T".
2461 Use "-undefined dynamic_lookup" on darwin.
2462 * gcc/configure: Regenerate.
2464 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2467 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2469 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2471 * c-parser.c (struct c_token): Move location field up.
2472 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2473 (struct c_declspecs): Convert typespec_word, storage_class, and
2474 default_int_p into bitfields.
2475 (struct c_declarator): Move loc field up.
2477 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2479 * cfgloop.h (struct loop): Move can_be_parallel field up.
2480 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2481 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2483 (struct iv_cand): Convert pos field into a bitfield.
2484 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2486 (struct _stmt_vec_info): Shuffle fields for better packing.
2488 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2490 * varasm.c (IN_NAMED_SECTION): Remove guard.
2491 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2492 (IN_NAMED_SECTION_P): ...this.
2493 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2494 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2496 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2498 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2499 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2500 of shadowing it. Fix comments.
2502 2010-04-26 Jan Hubicka <jh@suse.cz>
2504 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2505 (cgraph_clone_node): Copy function frequency.
2506 * cgraph.h (node_frequency): New enum
2507 (struct cgraph_node): Add.
2508 * final.c (rest_of_clean_state): Update.
2509 * lto-cgraph.c (lto_output_node): Output node frequency.
2510 (input_overwrite_node): Input node frequency.
2511 * tre-ssa-loop-ivopts (computation_cost): Update.
2512 * lto-streamer-out.c (output_function): Do not output function
2514 * predict.c (maybe_hot_frequency_p): Update and handle functions
2516 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2518 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2519 (compute_function_frequency): Set noreturn functions to be executed
2521 (choose_function_section): Update.
2522 * lto-streamer-in.c (input_function): Do not input function frequency.
2523 * function.c (allocate_struct_function): Do not initialize function
2525 * function.h (function_frequency): Remove.
2526 (struct function): Remove function frequency.
2527 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2528 (try_update): Update.
2529 * tree-inline.c (initialize_cfun): Do not update function frequency.
2530 * passes.c (pass_init_dump_file): Update.
2531 * i386.c (ix86_compute_frame_layout): Update.
2532 (ix86_pad_returns): Update.
2534 2010-04-26 Jie Zhang <jie@codesourcery.com>
2536 PR tree-optimization/43833
2537 * tree-vrp.c (range_int_cst_p): New.
2538 (range_int_cst_singleton_p): New.
2539 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2540 when both operands are constants. Use range_int_cst_p in
2543 2010-04-26 Jan Hubicka <jh@suse.cz>
2545 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2547 2010-04-26 Richard Guenther <rguenther@suse.de>
2550 * gimple.c (gimple_decl_printable_name): Deal gracefully
2551 with a NULL DECL_NAME.
2553 2010-04-26 Richard Guenther <rguenther@suse.de>
2556 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2557 if emitting debug information and it is either a function
2558 or a namespace decl.
2560 2010-04-26 Ira Rosen <irar@il.ibm.com>
2562 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2563 determine if the statement is vectorizable, and a macro to access it.
2564 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2565 Skip statements that can't be vectorized. If the analysis fails,
2566 mark the statement as unvectorizable if vectorizing basic block.
2567 (vect_compute_data_refs_alignment): Likewise.
2568 (vect_verify_datarefs_alignment): Skip statements marked as
2569 unvectorizable. Add print.
2570 (vect_analyze_group_access): Skip statements that can't be
2571 vectorized. If the analysis fails, mark the statement as
2572 unvectorizable if vectorizing basic block.
2573 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2574 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2575 generated stmts for SLP.
2576 (new_stmt_vec_info): Initialize the new field.
2577 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2578 statements marked as unvectorizable.
2580 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2582 * c-common.c (flag_isoc1x): New.
2583 (flag_isoc99): Update comment.
2584 * c-common.h (flag_isoc1x): New.
2585 (flag_isoc99): Update comment.
2586 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2587 __<type>_DECIMAL_DIG__.
2588 * c-opts.c (set_std_c1x): New.
2589 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2590 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2591 * c.opt (-std=c1x, -std=gnu1x): New options.
2592 * doc/cpp.texi: Mention -std=c1x.
2593 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2594 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2595 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2596 * doc/standards.texi: Mention C1X.
2597 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2598 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2599 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2602 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2604 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2605 placeholder from 0x%x to %#x.
2606 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2607 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2608 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2609 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2610 * config/i386/i386.c (ix86_target_string): Ditto.
2611 (output_pic_addr_const): Ditto.
2612 (print_operand): Ditto.
2614 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2616 * combine.c (find_split_point): Add third argument. Use it
2617 to find nested multiply-accumulate instructions. Adjust calls.
2618 (try_combine): Adjust call to find_split_point.
2620 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2622 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2624 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2626 PR tree-optimization/41442
2627 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2628 (fold_binary_loc): Call it.
2630 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2632 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2633 * opts.c (common_handle_option): Allow disabling it.
2634 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2636 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2638 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2639 between modes if both types are integral.
2641 2010-04-23 Richard Guenther <rguenther@suse.de>
2643 PR tree-optimization/43572
2644 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2646 2010-04-23 Richard Guenther <rguenther@suse.de>
2649 * tree-inline.c (tree_can_inline_p): Also check compatibility
2652 2010-04-23 Martin Jambor <mjambor@suse.cz>
2654 PR tree-optimization/43846
2655 * tree-sra.c (struct access): New flag grp_assignment_read.
2656 (build_accesses_from_assign): Set grp_assignment_read.
2657 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2658 (enum mark_read_status): New type.
2659 (analyze_access_subtree): Propagate grp_assignment_read, create
2660 accesses also if both direct_read and root->grp_assignment_read.
2662 2010-04-23 Martin Jambor <mjambor@suse.cz>
2665 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2666 function does not have type attributes.
2668 2010-04-23 Richard Guenther <rguenther@suse.de>
2671 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2674 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2676 * sese.h (create_if_region_on_edge): Remove.
2678 * sese.c (create_if_region_on_edge): Make static.
2680 * tree-inline.c: Do not include ggc.h.
2682 * expr.c: Do not include ggc.h.
2684 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2687 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2690 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2691 in the middle of insns for casesi_worker_2.
2693 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2695 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2697 2010-04-22 Ira Rosen <irar@il.ibm.com>
2699 PR tree-optimization/43842
2700 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2701 loop unrolling in update of exit phis. Fix comment.
2702 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2703 least two reduction statements in the loop before starting SLP
2706 2010-04-22 Nick Clifton <nickc@redhat.com>
2708 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2710 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
2712 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2715 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2717 * tree-parloops.c (loop_parallel_p): New argument
2718 parloop_obstack. Pass it down.
2719 (parallelize_loops): New variable parloop_obstack. Initialize it,
2720 pass it down, free it.
2722 * tree-loop-linear.c (linear_transform_loops): Pass down
2725 * tree-data-ref.h (lambda_compute_access_matrices): New argument
2726 of type struct obstack *.
2728 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2729 scratch_obstack. Initialize it, pass down, free it.
2731 * lambda.h (lambda_loop_new): Remove.
2732 (lambda_matrix_new, lambda_matrix_inverse)
2733 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2734 argument of type struct obstack *.
2736 * lambda-trans.c (lambda_trans_matrix_new): New argument
2737 lambda_obstack. Pass it down, use obstack allocation for ret.
2738 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
2741 * lambda-mat.c (lambda_matrix_get_column)
2742 (lambda_matrix_project_to_null): Remove.
2743 (lambda_matrix_new): New argument lambda_obstack. Use obstack
2745 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2748 * lambda-code.c (lambda_loop_new): New function.
2749 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2750 (lambda_compute_auxillary_space, lambda_compute_target_space)
2751 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2752 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2753 (build_access_matrix): New argument lambda_obstack. Use obstack
2755 (lambda_compute_step_signs, lambda_compute_access_matrices): New
2756 argument lambda_obstack. Pass it down.
2758 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2760 * optabs.h (expand_widening_mult): Declare.
2762 2010-04-22 Richard Guenther <rguenther@suse.de>
2764 PR tree-optimization/43845
2765 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2766 lookup the CALL_EXPR function and arguments.
2768 2010-04-22 Nick Clifton <nickc@redhat.com>
2770 * config/stormy16/stormy16.c
2771 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2772 * config/stormy16/stormy16.h: Tidy up formatting.
2773 (DONT_USE_BUILTIN_SETJMP): Remove definition.
2774 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2775 (ineqbranchsi): Delete pattern.
2776 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2777 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2778 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2779 stormy16-lib2-ucmpsi2.c.
2781 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2783 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2784 df_simulate_find_noclobber_defs as appropriate. Keep track of an
2785 extra set merge_set_noclobber, and use it to relax the final test
2787 * df.h (df_simulate_find_noclobber_defs): Declare.
2788 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2790 (df_simulate_find_noclobber_defs): New function.
2792 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
2794 * config/i386/i386.md: Use {} around multi-line preparation statements.
2796 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2798 * c-tree.h (push_init_level, pop_init_level, set_init_index)
2799 (process_init_element): New argument of type struct obstack *.
2801 * c-typeck.c (push_init_level, pop_init_level, set_designator)
2802 (set_init_index, set_init_label, set_nonincremental_init)
2803 (set_nonincremental_init_from_string, find_init_member)
2804 (output_init_element, output_pending_init_elements)
2805 (process_init_element): New argument braced_init_obstack. Pass it
2807 (push_range_stack, add_pending_init): New argument
2808 braced_init_obstack. Use obstack allocation.
2810 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2811 braced_init_obstack. Pass it down.
2812 (c_parser_braced_init): New variables ret, braced_init_obstack.
2813 Initialize obstack, pass it down and finally free it.
2815 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
2818 * tree-pass.h (pass_optimize_widening_mul): Declare.
2819 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2820 gate_optimize_widening_mul): New static functions.
2821 (pass_optimize_widening_mul): New.
2822 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2823 <case MULT_EXPR>: Remove support for widening multiplies.
2824 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2825 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2826 simplify_gen_unary rather than directly building extensions.
2827 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2829 * expmed.c (expand_widening_mult): New function.
2830 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2832 2010-04-21 Jan Hubicka <jh@suse.cz>
2834 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2835 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2836 * lto-wpa-fixup.c: Remove.
2837 * Makefile.in (lto-wpa-fixup.o): Remove.
2838 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2839 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2840 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2842 2010-04-21 Jan Hubicka <jh@suse.cz>
2844 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2845 add write_optimization_summary, read_optimization_summary.
2846 (ipa_write_summaries_of_cgraph_node_set): Remove.
2847 (ipa_write_optimization_summaries): Declare.
2848 (ipa_read_optimization_summaries): Declare.
2849 * ipa-cp.c (pass_ipa_cp): Update.
2850 * ipa-reference.c (pass_ipa_reference): Update.
2851 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2852 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2854 * ipa-inline.c (pass_ipa_inline): Update.
2855 * ipa.c (pass_ipa_whole_program): Update.
2856 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2857 * passes.c (ipa_write_summaries_1): Do not test wpa.
2858 (ipa_write_optimization_summaries_1): New.
2859 (ipa_write_optimization_summaries): New.
2860 (ipa_read_summaries): Do not test ltrans.
2861 (ipa_read_optimization_summaries_1): New.
2862 (ipa_read_optimization_summaries): New.
2864 2010-04-21 Jan Hubicka <jh@suse.cz>
2866 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2868 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2870 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2873 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2874 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2876 2010-04-21 Jan Hubicka <jh@suse.cz>
2878 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2880 2010-04-21 Jan Hubicka <jh@suse.cz>
2882 * varpool.c (decide_is_variable_needed): Variable is always needed
2885 2010-04-21 Jan Hubicka <jh@suse.cz>
2887 * opts.c (decode_options): Enable pure-const pass for whopr.
2889 2010-04-21 Jan Hubicka <jh@suse.cz>
2891 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2892 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2894 (cgraph_decide_inlining): Do not expect callee to be removed in all
2897 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2899 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2901 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2903 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2904 amdfam10_decode attributes.
2906 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2909 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2910 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2911 (lower_copyprivate_clauses): Use private var in outer
2912 context instead of original var. Make sure the types
2913 are correct for VLAs.
2915 2010-04-21 Richard Guenther <rguenther@suse.de>
2917 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2918 to non-pointer objects.
2920 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2922 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2923 last chain entry if it starts with the still current label.
2924 (add_location_or_const_value_attribute): Check that
2925 loc_list->first->next is NULL instead of comparing ->first with ->last.
2926 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2927 to add_var_loc_to_decl.
2929 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2930 >= 4 add also address size and segment size fields into CIE header.
2932 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2933 long as address size is the same as sizeof (void *) and
2935 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2936 address size or segment size is unexpected, return DW_EH_PE_omit.
2937 (classify_object_over_fdes): If get_cie_encoding returned
2938 DW_EH_PE_omit, return -1.
2939 (init_object): If classify_object_over_fdes returned -1,
2940 pretend there were no FDEs at all.
2942 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2944 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2945 bswap{si,di}2 using SWI48 mode iterator.
2946 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2947 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2948 set modrm attribute of bswap insn to 0 and remove length attribute.
2949 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2950 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2951 set mode attribute to <MODE> and remove length attribute.
2953 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2955 PR rtl-optimization/43520
2956 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2957 zero available registers.
2959 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2961 * builtins.c (fold_builtin_cproj): Fold more cases.
2963 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2965 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2966 (fold_builtin_1): Fold builtin cproj.
2967 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2968 Use ATTR_CONST_NOTHROW_LIST.
2970 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2972 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2973 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2974 ffsi2_no_cmove for !TARGET_CMOVE.
2975 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2976 (ffssi2): Remove expander.
2977 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2979 (ctz<mode>2): Ditto from ctz{si,di}2.
2980 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2982 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2985 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2987 * dwarf2out.c (AT_linkage_name): Define.
2988 (clone_as_declaration): Handle DW_AT_linkage_name.
2989 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2990 of DW_AT_MIPS_linkage_name.
2991 (move_linkage_attr): Likewise.
2992 (dwarf2out_finish): Likewise.
2994 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2997 * fold-const.c (fold_comparison): New folding rule.
2999 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3001 * double-int.h (double_int_setbit): Declare.
3002 * double-int.c (double_int_setbit): New function.
3003 * rtl.h (immed_double_int_const): Declare.
3004 * emit-rtl.c (immed_double_int_const): New function.
3005 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3006 and immed_double_int_const functions.
3007 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3008 expand_copysign_bit): (Ditto.).
3009 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3010 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3011 * dojump.c (prefer_and_bit_test): (Ditto.).
3012 * expr.c (convert_modes, reduce_to_bit_field_precision,
3013 const_vector_from_tree): (Ditto.).
3014 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3016 2010-04-20 Jan Hubicka <jh@suse.cz>
3018 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3019 (dump_cgraph_node): Dump new flags.
3020 * cgraph.h (struct cgraph_node): Add flags
3021 reachable_from_other_partition and in_other_partition.
3022 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3023 other partition can not be removed.
3024 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3025 the other partition must be output; silence sanity checking on
3026 leaking functions bodies from other paritition.
3027 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3028 (lto_output_node): Output new flags; do not sanity check that inline
3029 clones are output; drop lto_forced_extern_inline_p code; do not mock
3030 visibility flags at partition boundaries.
3031 (add_node_to): New function.
3032 (output_cgraph): Use it to sort functions so masters appear before
3034 (input_overwrite_node): Input new flags.
3035 * passes.c (ipa_write_summaries): Do not call
3036 lto_new_extern_inline_states.
3037 * lto-section-out.c (forced_extern_inline,
3038 lto_new_extern_inline_states lto_delete_extern_inline_states,
3039 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3040 * lto-streamer.h (lto_new_extern_inline_states,
3041 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3042 lto_forced_extern_inline_p): Kill.
3044 2010-04-20 Richard Guenther <rguenther@suse.de>
3046 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3047 from vars that can have pointers.
3048 (process_constraint): Dump useless constraints.
3050 2010-04-20 Richard Guenther <rguenther@suse.de>
3052 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3053 (dump_sa_points_to_info): Remove asserts.
3054 (init_base_vars): nothing_id isn't an escape point nor does it
3057 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3059 * tree.h (TYPE_REF_IS_RVALUE): Define.
3060 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3061 should_move_die_to_comdat, prune_unused_types_walk): Handle
3062 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3063 (modified_type_die, gen_reference_type_die): Emit
3064 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3065 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3067 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3070 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3071 calls for -fpic -m31 if they have been sibcall optimized.
3073 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3075 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3076 ar.lc fixed and call-used.
3078 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3080 2010-04-19 Jan Hubicka <jh@suse.cz>
3082 * opts.c (decode_options): Disable whpr incompatible passes.
3083 * lto/lto.c (lto_1_to_1_map): Skip clones.
3084 (read_cgraph_and_symbols): Do not mark everything as needed.
3085 (do_whole_program_analysis): Do map only after optimizing;
3086 set proper cgraph_state; use passmanager.
3088 2010-04-19 DJ Delorie <dj@redhat.com>
3090 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3091 POINTER_PLUS_EXPR and fix them.
3093 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3095 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3096 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3097 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3098 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3099 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3100 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3101 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3102 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3103 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3104 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3105 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3107 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3109 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3110 (check_cond_move_block): Likewise.
3111 (cond_move_process_if_block): Likewise.
3112 (noce_find_if_block): Improve formatting.
3113 (find_if_header): Pass 0 to memset and tweak conditions.
3114 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3116 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3118 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3122 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3123 with non-local decl doesn't need chain.
3125 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3127 * ira-color.c (allocno_reload_assign): Avoid accumulating
3128 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3130 2010-04-19 Martin Jambor <mjambor@suse.cz>
3132 * gimple.h (create_tmp_reg): Declare.
3133 * gimplify.c (create_tmp_reg): New function.
3134 (gimplify_return_expr): Use create_tmp_reg.
3135 (gimplify_omp_atomic): Likewise.
3136 (gimple_regimplify_operands): Likewise.
3137 * tree-dfa.c (make_rename_temp): Likewise.
3138 * tree-predcom.c (predcom_tmp_var): Likewise.
3139 (reassociate_to_the_same_stmt): Likewise.
3140 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3141 (get_replaced_param_substitute): Likewise.
3142 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3143 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3144 * tree-ssa-pre.c (get_representative_for): Likewise.
3145 (create_expression_by_pieces): Likewise.
3146 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3147 (create_tailcall_accumulator): Likewise.
3149 2010-04-19 Martin Jambor <mjambor@suse.cz>
3151 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3153 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3155 2010-04-19 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/43796
3158 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3159 from SCEV in the lattice.
3160 (vrp_visit_phi_node): Dump change.
3162 2010-04-19 Richard Guenther <rguenther@suse.de>
3164 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3165 * configure: Re-generated.
3167 2010-04-19 Richard Guenther <rguenther@suse.de>
3169 PR tree-optimization/43783
3170 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3171 constant ARRAY_REF operands two and three if possible.
3173 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3176 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3178 2010-04-19 Jie Zhang <jie@codesourcery.com>
3181 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3183 2010-04-19 Ira Rosen <irar@il.ibm.com>
3185 PR tree-optimization/37027
3186 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3187 and macro to access it.
3188 (vectorizable_reduction): Add argument.
3189 (vect_get_slp_defs): Likewise.
3190 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3191 statements for possible use in SLP.
3192 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3193 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3194 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3196 (vectorizable_reduction): Likewise.
3197 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3199 (vectorizable_type_demotion, vectorizable_type_promotion,
3200 vectorizable_store): Likewise.
3201 (vect_analyze_stmt): Update call to vectorizable_reduction.
3202 (vect_transform_stmt): Likewise.
3203 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3204 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3205 from different interleaving chains in same node.
3206 (vect_slp_rearrange_stmts): New function.
3207 (vect_supported_load_permutation_p): Allow load permutations for
3208 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3209 inside SLP nodes if necessary.
3210 (vect_analyze_slp_instance): Handle reductions.
3211 (vect_analyze_slp): Try to build SLP instances originating from groups
3213 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3214 (vect_get_constant_vectors): Create initial vectors for reductions
3215 according to reduction code. Add new argument.
3216 (vect_get_slp_defs): Add new argument, pass it to
3217 vect_get_constant_vectors.
3218 (vect_schedule_slp_instance): Remove SLP tree root statements.
3220 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3222 * tree.h (ENUM_IS_SCOPED): Define.
3223 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3224 for ENUM_IS_SCOPED enums.
3226 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3228 * fold-const.c (fold_comparison): Use ssizetype.
3229 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3230 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3231 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3232 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3234 * tree.h (initialize_sizetypes): Remove parameter.
3235 (build_common_tree_nodes): Remove second parameter.
3236 * stor-layout.c (initialize_sizetypes): Remove parameter.
3237 Always create an unsigned type.
3238 (set_sizetype): Assert that the passed type is unsigned and simplify.
3239 * tree.c (build_common_tree_nodes): Remove second parameter.
3240 Adjust call to initialize_sizetypes.
3241 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3242 build_common_tree_nodes.
3244 2010-04-18 Matthias Klose <doko@ubuntu.com>
3246 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3248 2010-04-18 Ira Rosen <irar@il.ibm.com>
3250 PR tree-optimization/43771
3251 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3252 load permutation doesn't have gaps.
3254 2010-04-18 Jan Hubicka <jh@suse.cz>
3256 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3257 (sse_prologue_save_insn expander): Use new pattern.
3258 (sse_prologue_save_insn1): New pattern and splitter.
3259 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3261 * i386.c (setup_incoming_varargs_64): Do not compute jump
3263 (ix86_gimplify_va_arg): Update alignment needed.
3264 (ix86_local_alignment): Do not align all local arrays to 128bit.
3266 2010-04-17 Jan Hubicka <jh@suse.cz>
3268 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3270 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3272 * arm.md (negdi2): Remove redundant code to force values into a
3275 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3277 * arm/bpabi.S: Add EABI alignment attributes to objects.
3278 * arm/bpabi-v6m.S: Likewise.
3279 * arm/crti.asm: Likewise.
3280 * arm/crtn.asm: Likewise.
3281 * arm/lib1funcs.asm: Likewise.
3282 * arm/libunwind.S: Likewise.
3284 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3286 * arm-protos.h (tune_params): New structure.
3287 * arm.c (current_tune): New variable.
3288 (arm_constant_limit): Delete.
3289 (struct processors): Add pointer to the tune parameters.
3290 (arm_slowmul_tune): New tuning option.
3291 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3292 (all_cores): Adjust to pick up the tuning model.
3293 (arm_constant_limit): New function.
3294 (arm_override_options): Select the appropriate tuning model. Delete
3295 initialization of arm_const_limit.
3296 (arm_split_constant): Use the new constant-limit model.
3297 (arm_rtx_costs): Pick up the current tuning model.
3298 * arm.md (is_strongarm, is_xscale): Delete.
3299 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3300 for Xscale variant architectures.
3301 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3303 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3305 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3307 (arm_rtx_costs_1): Remove unused variable extra_cost.
3308 (arm_unwind_emit_set): Use variable offset.
3309 (thumb1_output_casesi): Remove unused variable flags.
3311 2010-04-16 Jeff Law <law@redhat.com>
3313 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3314 needing assignment rather than doing a two-phase assignment. Remove
3315 unused variable 'm'.
3317 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3320 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3322 2010-04-16 Doug Kwan <dougkwan@google.com>
3324 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3325 (next_operand_entry_id): New static variable.
3326 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3327 (add_to_ops_vec): Assigned unique ID to operand entry.
3328 (struct oecount_s): New field ID.
3329 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3330 (undistribute_ops_list): Assign unique IDs to oecounts.
3331 (init_reassoc): reset next_operand_entry_id.
3333 2010-04-16 Doug Kwan <dougkwan@google.com>
3335 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3336 missing left parenthesis.
3338 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3340 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3341 *btdi_rex64 using SWI48 mode iterator.
3342 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3343 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3344 *jcc_btdi_mask_rex64.
3346 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3348 * double-int.h (tree_to_double_int): Convert to macro.
3349 * double-int.c (tree_to_double_int): Remove.
3351 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3354 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3355 with want_address 2 and in case a single element list might be
3356 possible, call it again with want_address 0.
3358 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3360 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3361 case 'W' print operands for HI mode.
3362 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3363 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3364 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3365 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3367 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3369 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3370 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3371 #xx:3 and #xx:4 mode.
3373 * config/h8300/h8300.md (inverted load with HImode dest): Add
3374 support for H8300SX.
3376 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3377 satisfy 'U' constraint.
3379 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3381 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3382 * configure: Regenerate.
3383 * config.in: Regenerate.
3384 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3387 2010-04-16 Richard Guenther <rguenther@suse.de>
3389 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3390 (struct tree_decl_common): ... here.
3391 (DECL_PT_UID): Adjust.
3392 (SET_DECL_PT_UID): Likewise.
3393 (DECL_PT_UID_SET_P): Likewise.
3395 2010-04-16 Richard Guenther <rguenther@suse.de>
3397 PR tree-optimization/43572
3398 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3399 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3400 * tree-flow.h (is_call_clobbered): Remove.
3401 * tree-flow-inline.h (is_call_clobbered): Likewise.
3402 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3403 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3404 (execute_return_slot_opt): Adjust.
3405 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3406 check for call clobbered vars here.
3407 (find_tail_calls): Move tailcall verification to the
3410 2010-04-16 Diego Novillo <dnovillo@google.com>
3412 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3414 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3417 * config/arm/arm.md (cbranchqi4): New pattern.
3418 * config/arm/predicates.md (const0_operand,
3419 cbranchqi4_comparison_operator): New predicates.
3421 2010-04-16 Richard Guenther <rguenther@suse.de>
3423 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3424 (dump_gimple_stmt): Likewise.
3426 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3428 * recog.h (struct recog_data): New field is_operator.
3429 (struct insn_operand_data): New field is_operator.
3430 * recog.c (extract_insn): Set recog_data.is_operator.
3431 * genoutput.c (output_operand_data): Emit code to set the
3433 * reload.c (find_reloads): Use it rather than testing for an
3434 empty constraint string.
3437 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3438 If the previous insn is a cbranchsi4_insn with the same arguments,
3439 omit the compare instruction.
3441 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3442 register, inputs must be low registers and we need a low register
3443 scratch. Handle alternative 2 like alternative 3.
3445 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3447 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3448 don't call get_addr on both. If one expression is a VALUE and
3449 the other a REG, check VALUE's locs if the REG isn't among them.
3451 2010-04-16 Christian Bruel <christian.bruel@st.com>
3453 * config/sh/sh.h (sh_frame_pointer_required): New function.
3454 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3455 (flag_omit_frame_pointer) Set.
3456 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3457 (rounded_frame_size): Adjust size with outgoing_args_size.
3458 (sh_set_return_address): Must return from stack pointer.
3459 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3460 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3461 (ACCUMULATE_OUTGOING_ARGS): Define.
3462 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3463 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3465 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3468 * config/sh/sh.c (sh_legitimize_reload_address): Use
3469 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3470 Remove a unneeded check for offset_base.
3472 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3474 * configure: Regenerated.
3476 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3478 * config/s390/s390.c (s390_call_save_register_used): Switch back
3479 to HARD_REGNO_NREGS.
3481 2010-04-15 Richard Guenther <rguenther@suse.de>
3483 * alias.c (alias_set_subset_of): Handle alias-set zero
3486 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3487 Julian Brown <julian@codesourcery.com>
3489 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3490 alternatives according to use of high and low regs.
3491 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3492 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3493 optimizing for size on Thumb-2.
3495 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3497 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3499 2010-04-15 Richard Guenther <rguenther@suse.de>
3501 * tree-ssa-structalias.c (struct variable_info): Add
3503 (new_var_info): Initialize it.
3504 (dump_constraints): Support printing last added constraints.
3505 (debug_constraints): Adjust.
3506 (dump_constraint_graph): Likewise.
3507 (make_heapvar_for): Check for NULL cfun.
3508 (get_function_part_constraint): New function.
3509 (get_fi_for_callee): Likewise.
3510 (find_func_aliases): Properly implement IPA PTA constraints.
3511 (process_ipa_clobber): New function.
3512 (find_func_clobbers): Likewise.
3513 (insert_into_field_list_sorted): Remove.
3514 (create_function_info_for): Properly allocate vars for IPA mode.
3515 Do not use insert_into_field_list_sorted.
3516 (create_variable_info_for): Properly generate constraints for
3517 global vars in IPA mode.
3518 (dump_solution_for_var): Always dump the solution.
3519 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3520 (find_what_var_points_to): Adjust.
3521 (pt_solution_set): Change.
3522 (pt_solution_ior_into): New function.
3523 (pt_solution_empty_p): Export.
3524 (pt_solution_includes_global): Adjust.
3525 (pt_solution_includes_1): Likewise.
3526 (pt_solutions_intersect_1): Likewise.
3527 (dump_sa_points_to_info): Check some invariants.
3528 (solve_constraints): Move constraint dumping ...
3529 (compute_points_to_sets): ... here.
3530 (ipa_pta_execute): ... and here.
3531 (compute_may_aliases): Do not re-compute points-to info
3532 locally if IPA info is available.
3533 (ipa_escaped_pt): New global var.
3534 (ipa_pta_execute): Properly implement IPA PTA.
3535 * tree-into-ssa.c (dump_decl_set): Support dumping
3536 decls not in referenced-vars.
3537 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3538 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3539 (dump_points_to_solution): Likewise.
3540 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3541 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3542 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3543 (copy_decl_to_var): Copy DECL_PT_UID.
3544 (copy_result_decl_to_var): Likewise.
3545 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3546 (copy_node_stat): Copy it.
3547 * tree.h (DECL_PT_UID): New macro.
3548 (SET_DECL_PT_UID): Likewise.
3549 (DECL_PT_UID_SET_P): Likewise.
3550 (struct tree_decl_minimal): Add pt_uid member.
3551 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3552 (pt_solution_empty_p): Declare.
3553 (pt_solution_set): Adjust.
3554 (ipa_escaped_pt): Declare.
3555 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3556 * gimple-pretty-print.c (pp_points_to_solution): New function.
3557 (dump_gimple_call): Dump call clobber/use information.
3558 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3559 * tree-pass.h (TDF_ALIAS): New dump option.
3560 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3561 * doc/invoke.texi (-fipa-pta): Update documentation.
3563 2010-04-15 Richard Guenther <rguenther@suse.de>
3565 * Makefile.in (OBJS-common): Add gimple-fold.o.
3566 (gimple-fold.o): New rule.
3567 * tree.h (maybe_fold_offset_to_reference,
3568 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3570 * gimple.h: ... here.
3571 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3572 may_propagate_address_into_dereference): Move prototypes ...
3573 * gimple.h: ... here.
3574 * tree-ssa-ccp.c (get_symbol_constant_value,
3575 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3576 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3577 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3578 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3579 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3580 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3581 gimplify_and_update_call_from_tree): Move ...
3582 * gimple-fold.c: ... here. New file.
3583 (ccp_fold_builtin): Rename to ...
3584 (gimple_fold_builtin): ... this.
3585 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3587 2010-04-15 Richard Guenther <rguenther@suse.de>
3589 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3590 fit_double_type, force_fit_type_double, add_double_with_sign,
3591 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3592 lrotate_double, rrotate_double, div_and_round_double): Move ...
3593 * double-int.c: ... here.
3594 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3595 add_double, neg_double, mul_double_with_sign, mul_double,
3596 lshift_double, rshift_double, lrotate_double, rrotate_double,
3597 div_and_round_double): Move prototypes ...
3598 * double-int.h: ... here.
3600 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3603 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3604 matching constraints to ensure inputs match the output.
3606 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3609 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3610 in an input-only operand.
3612 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3614 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3615 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3616 (double_int_negative_p): Convert to static inline function.
3617 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3618 (double_int_negative_p): Remove.
3619 * tree.h (lshift_double, rshift_double):
3620 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3621 * fold-const.c (fold_convert_const_int_from_real,
3622 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3623 (lshift_double): Change type of arith argument to bool.
3624 (rshift_double): Change type of arith argument to bool. Correct
3626 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3628 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3631 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3632 at the start and end of the then/else blocks, and omit them from the
3634 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3635 argument; all callers changed. Pass zero to old_insns_match_p instead.
3636 (flow_find_head_matching_sequence): New function.
3637 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3638 * basic-block.h (flow_find_cross_jump,
3639 flow_find_head_matching_sequence): Declare functions.
3641 2010-04-14 Jason Merrill <jason@redhat.com>
3644 * c-common.c (attribute_takes_identifier_p): New fn.
3645 * c-common.h: Declare it.
3647 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3649 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3651 (*udivmod<mode>4): Ditto.
3653 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3655 * config/i386/i386.md (maxmin_int): Rename code attribute from
3656 maxminiprefix and update all users.
3657 (maxmin_float): Ditto from maxminfprefix.
3658 (logic): Ditto from logicprefix.
3659 (absneg_mnemonic): Ditto from absnegprefix.
3660 * config/i386/mmx.md: Update all users of maxminiprefix,
3661 maxminfprefix and logicprefix for rename.
3662 * config/i386/sse.md: Ditto.
3663 * config/i386/sync.md (sync_<code><mode>): Update for
3666 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3669 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3670 warnings converted to errors.
3672 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3674 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3675 used insn_type variable.
3676 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3677 to avoid set-but-not-used warning.
3679 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3681 * df-core.c (df_ref_debug): Change format string placeholder
3683 * dwarf2asm.c (dw2_asm_output_data_raw,
3684 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3685 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3686 * dwarf2out.c (output_cfi, output_cfi_directive,
3687 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3688 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3690 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3691 * print-rtl.c (print_rtx): Ditto.
3693 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3696 * builtins.c (expand_builtin_pow_root): New function to expand pow
3697 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3698 series of sqrt and cbrt calls under -ffast-math.
3699 (expand_builtin_pow): Call it.
3701 2010-04-14 Michael Matz <matz@suse.de>
3703 PR tree-optimization/42963
3704 * tree-cfg.c (touched_switch_bbs): New static variable.
3705 (group_case_labels_stmt): New function broken out from ...
3706 (group_case_labels): ... here, use the above.
3707 (start_recording_case_labels): Allocate touched_switch_bbs.
3708 (end_recording_case_labels): Deallocate it, call
3709 group_case_labels_stmt.
3710 (gimple_redirect_edge_and_branch): Remember index of affected BB.
3712 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3714 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3717 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3719 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3721 2010-04-13 Jan Hubicka <jh@suse.cz>
3723 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3724 of optimized out static functions.
3725 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3726 cost computation. Also sanity check for overflows.
3727 (update_caller_keys): Update cgraph_edge_badness call; properly
3728 update fibheap and sanity check that it is up to date.
3729 (add_new_edges_to_heap): Update cgraph_edge_badness.
3730 (cgraph_decide_inlining_of_small_function): Likewise;
3731 add sanity checking that badness in heap is up to date;
3732 improve dumping of reason; Update badness of calls to the
3733 offline copy of function currently inlined; dump badness
3734 of functions not inlined because of unit growth limits.
3736 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3739 * c-common.c (pointer_int_sum): Disregard overflow that occured only
3740 because of sign-extension change when converting to sizetype here...
3741 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3743 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3744 the folding to constants. Remove redundant final conversion.
3745 (fold_binary) <associate>: Do not associate if the re-association of
3746 constants alone overflows.
3747 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3748 to the end of the list.
3749 (multiple_of_p) <COND_EXPR>: New case.
3751 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
3753 * opt-functions.awk (opt_sanitized_name): New.
3755 * optc-gen.awk: Use it
3756 * opth-gen.awk: Use it.
3758 2010-04-13 Martin Jambor <mjambor@suse.cz>
3760 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3761 (sra_modify_assign): Delete stmts loading dead data even if racc has no
3762 children. Call replace_uses_with_default_def_ssa_name to handle
3765 2010-04-13 Michael Matz <matz@suse.de>
3768 * builtins.c (expand_builtin_interclass_mathfn): Also create
3769 a register if the predicate doesn't match.
3771 2010-04-13 Diego Novillo <dnovillo@google.com>
3773 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3774 * c-pch.c: Include timevar.h.
3775 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3776 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3777 * ggc-common.c: Include timevar.h.
3778 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3779 * timevar.def (TV_PCH_SAVE): Define.
3780 (TV_PCH_CPP_SAVE): Define.
3781 (TV_PCH_PTR_REALLOC): Define.
3782 (TV_PCH_PTR_SORT): Define.
3783 (TV_PCH_RESTORE): Define.
3784 (TV_PCH_CPP_RESTORE): Define.
3786 2010-04-13 Michael Matz <matz@suse.de>
3788 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3790 (can_reassociate_p): New function.
3791 (break_up_subtract_bb, reassociate_bb): Use it.
3793 2010-04-13 Richard Guenther <rguenther@suse.de>
3796 * builtins.c (c_readstr): Fix assert.
3798 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
3800 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3801 when generating cltd insn.
3803 (*ashl<mode>3_1): Remove special handling for register operand 2.
3804 (*ashlsi3_1_zext): Ditto.
3805 (*ashlhi3_1): Ditto.
3806 (*ashlhi3_1_lea): Ditto.
3807 (*ashlqi3_1): Ditto.
3808 (*ashlqi3_1_lea): Ditto.
3809 (*<shiftrt_insn><mode>3_1): Ditto.
3810 (*<shiftrt_insn>si3_1_zext): Ditto.
3811 (*<shiftrt_insn>qi3_1_slp): Ditto.
3812 (*<rotate_insn><mode>3_1): Ditto.
3813 (*<rotate_insn>si3_1_zext): Ditto.
3814 (*<rotate_insn>qi3_1_slp): Ditto.
3816 2010-04-13 Richard Guenther <rguenther@suse.de>
3818 * tree-ssa-structalias.c (callused_id): Remove.
3819 (call_stmt_vars): New.
3820 (get_call_vi): Likewise.
3821 (lookup_call_use_vi): Likewise.
3822 (lookup_call_clobber_vi): Likewise.
3823 (get_call_use_vi): Likewise.
3824 (get_call_clobber_vi): Likewise.
3825 (make_transitive_closure_constraints): Likewise.
3826 (handle_const_call): Adjust to do per-call call-used handling.
3827 (handle_pure_call): Likewise.
3828 (find_what_var_points_to): Remove general callused handling.
3829 (init_base_vars): Likewise.
3830 (init_alias_vars): Initialize call_stmt_vars.
3831 (compute_points_to_sets): Process call-used and call-clobbered
3832 vars for call statements.
3833 (delete_points_to_sets): Free call_stmt_vars.
3835 2010-04-13 Richard Guenther <rguenther@suse.de>
3837 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3838 Only add RW dependence for dependence distance zero.
3839 Adjust maximal vectorization factor according to dependences.
3840 Move alignment handling ...
3841 (vect_find_same_alignment_drs): ... here. New function.
3842 (vect_analyze_data_ref_dependences): Adjust.
3843 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3844 (vect_analyze_data_refs): Adjust minimal vectorization factor
3845 according to data references.
3846 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3847 dependences before determining the vectorization factor.
3848 Analyze alignment after determining the vectorization factor.
3849 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3850 dependences before alignment.
3851 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3853 (vect_analyze_data_refs): Likewise.
3854 (MAX_VECTORIZATION_FACTOR): New define.
3856 2010-04-13 Duncan Sands <baldrick@free.fr>
3858 * except.h (lang_eh_type_covers): Remove.
3859 * except.c (lang_eh_type_covers): Likewise.
3861 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3862 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3864 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3865 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3866 UNITS_PER_LONG where it is ABI relevant.
3867 (s390_return_addr_rtx): Likewise.
3868 (s390_back_chain_rtx): Likewise.
3869 (s390_frame_area): Likewise.
3870 (s390_frame_info): Likewise.
3871 (s390_initial_elimination_offset): Likewise.
3872 (save_gprs): Likewise.
3873 (s390_emit_prologue): Likewise.
3874 (s390_emit_epilogue): Likewise.
3875 (s390_function_arg_advance): Likewise.
3876 (s390_function_arg): Likewise.
3877 (s390_va_start): Likewise.
3878 (s390_gimplify_va_arg): Likewise.
3879 (s390_function_profiler): Likewise.
3880 (s390_optimize_prologue): Likewise.
3881 (s390_rtx_costs): Likewise.
3882 (s390_secondary_reload): Likewise.
3883 (s390_promote_function_mode): Likewise.
3884 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3885 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3886 registers available.
3887 (s390_unwind_word_mode): New function.
3888 (s390_function_value): Split 64 bit values into register pair if
3889 used as return value.
3890 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3891 function call parameters. Handle parallels.
3892 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3893 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3894 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3895 (s390_expand_setmem): Remove unused variable src_addr.
3896 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3897 deal with 64 bit registers.
3898 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3899 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3900 (UNITS_PER_LONG): New macro.
3901 * libjava/include/s390-signal.h: Define extended ucontext
3902 structure containing the upper halfs of the 64 bit registers.
3904 2010-04-13 Simon Baldwin <simonb@google.com>
3906 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3908 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3910 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3911 rvalue on the RHS if the LHS is of a non-renamable type.
3912 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3914 2010-04-13 Matthias Klose <doko@ubuntu.com>
3916 * gcc.c (cc1_options): Handle -iplugindir before processing
3917 the cc1 spec. Only add -iplugindir once.
3918 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3920 * common.opt (iplugindir): Remove `Separate' property, initialize.
3921 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3923 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3924 (distclean): Remove plugin dir.
3925 * doc/invoke.texi: Document -iplugindir.
3927 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3929 * doc/plugins.texi (Loading Plugins): Document short
3930 -fplugin=foo option.
3931 (Plugin API): Mention default_plugin_dir_name function.
3933 * gcc.c (find_file_spec_function): Add new declaration.
3934 (static_spec_func): Use it for "find-file".
3935 (find_file_spec_function): Add new function.
3936 (cc1_options): Add -iplugindir option if -fplugin* options found.
3938 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3940 * plugin.c (add_new_plugin): Updated comment, and handle short
3942 (default_plugin_dir_name): Added new function.
3944 * common.opt (iplugindir): New option to set the plugin directory.
3946 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3948 * config/i386/i386.md (any_rotate): New code iterator.
3949 (rotate_insn): New code attribute.
3951 (SWIM124): New mode iterator.
3952 (<rotate_insn>ti3): New expander.
3953 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3954 any_rotate code iterator.
3955 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3956 using any_rotate code iterator and SWIM124 mode iterator.
3957 (ix86_rotlti3): New insn_and_split pattern.
3958 (ix86_rotrti3): Ditto.
3959 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3960 ix86_rotl{di,ti}3 patterns.
3961 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3962 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3963 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3964 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3965 code iterator and SWI mode iterator.
3966 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3967 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3969 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3970 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3971 (bswap rotatert splitter): Add splitter.
3972 (bswap splitter): Macroize splitter using any_rotate code iterator.
3973 Add insn predicate to split only for TARGET_USE_XCHGB or when
3974 optimizing function for size.
3976 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3978 * config/pa/pa.c (emit_move_sequence): Remove use of
3979 deleted variable flag_argument_noalias.
3981 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3983 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3985 Add to unsupported targets list.
3986 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3987 sparc*-sun-solaris2.[567]* from target lists.
3988 * configure: Regenerate.
3989 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3991 Remove Solaris 7 patch references.
3992 (Specific, sparc-sun-solaris2.7): Removed.
3993 (sparc-sun-solaris2*): Update Solaris 7 example.
3994 (sparc64-*-solaris2*): Likewise.
3996 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3998 * config.build (alpha*-dec-osf4*): Remove.
3999 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
4000 of obsolete configurations.
4001 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
4003 * config/alpha/t-osf4: Renamed to ...
4004 * config/alpha/t-osf5: ... this.
4005 * config/alpha/osf.h: Renamed to ...
4006 * config/alpha/osf5.h: ... this.
4007 Merged old osf5.h contents.
4009 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
4010 (EXTRA_SPECS): Removed.
4011 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
4012 reflect removal of Tru64 UNIX V4.0/V5.0 support.
4015 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4017 * doc/contrib.texi (Contributors, Rainer Orth): Update.
4019 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
4022 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
4023 __thiscall convention.
4025 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4027 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
4029 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
4031 2010-04-12 Steve Ellcey <sje@cup.hp.com>
4033 * function.c (assign_parms_initialize_all): Add unused attribute
4036 2010-04-12 Richard Guenther <rguenther@suse.de>
4038 * gsstruct.def (GSS_CALL): New.
4039 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
4040 * gimple.h: Include tree-ssa-alias.h.
4041 (struct gimple_statement_call): New.
4042 (union gimple_statement_struct_d): Add gimple_call member.
4043 (gimple_call_reset_alias_info): Declare.
4044 (gimple_call_use_set): New function.
4045 (gimple_call_clobber_set): Likewise.
4046 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
4047 * gimple.c (gimple_call_reset_alias_info): New function.
4048 (gimple_build_call_1): Call it.
4049 * lto-streamer-in.c (input_gimple_stmt): Likewise.
4050 * tree-inline.c (remap_gimple_stmt): Likewise.
4051 (expand_call_inline): Remove callused handling.
4052 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
4053 * tree-dfa.c (dump_variable): Likewise.
4054 * tree-parloops.c (parallelize_loops): Likewise.
4055 * tree-ssa.c (init_tree_ssa): Likewise.
4056 (delete_tree_ssa): Likewise.
4057 * tree-flow-inline.h (is_call_used): Remove.
4058 * tree-flow.h (struct gimple_df): Remove callused member.
4059 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
4060 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
4061 (ref_maybe_used_by_call_p_1): Simplify.
4062 (call_may_clobber_ref_p_1): Likewise.
4063 * tree-ssa-structalias.c (compute_points_to_sets): Set
4064 the call stmt used and clobbered sets.
4065 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
4066 (find_tail_calls): Verify the tail call.
4068 2010-04-12 Richard Guenther <rguenther@suse.de>
4070 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
4071 single-iteration always-inline inlining.
4072 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
4073 (cgraph_decide_inlining): Do not handle always-inline specially.
4074 (try_inline): Remove always-inline cycle detection special case.
4075 Do not recurse on always-inlines.
4076 (cgraph_early_inlining): Do not iterate if not optimizing.
4077 (cgraph_gate_early_inlining): remove.
4078 (pass_early_inline): Run unconditionally.
4079 (gate_cgraph_decide_inlining): New function.
4080 (pass_ipa_inline): Use it. Do not run the IPA inliner if
4081 not inlining or optimizing.
4082 (cgraph_decide_inlining_of_small_functions): Also consider
4083 always-inline functions.
4084 (cgraph_default_inline_p): Return true for nodes which should
4085 disregard inline limits.
4086 (estimate_function_body_sizes): Assume zero size and time for
4087 nodes which are marked as disregarding inline limits.
4088 (cgraph_decide_recursive_inlining): Do not perform recursive
4089 inlining on always-inline nodes.
4091 2010-04-12 Jakub Jelinek <jakub@redhat.com>
4094 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
4095 for exprs satisfying handled_component_p.
4097 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
4099 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
4100 non-constant aggregate elements.
4102 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
4103 is a real initialization.
4105 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
4108 * c-decl.c (start_function): Move forward check for nested function.
4110 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
4112 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
4113 * config/sh/sh.c: Include reload.h.
4114 (sh_legitimize_reload_address): New.
4115 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
4116 sh_legitimize_reload_address.
4118 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4120 * config/sh/sh.md (*movqi_pop): New insn pattern.
4121 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
4123 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4125 * config/i386/i386.md (any_shiftrt): New code iterator.
4126 (shiftrt_insn): New code attribute.
4128 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
4129 using any_shiftrt code iterator.
4130 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
4131 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
4132 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
4133 pattern from corresponding peephole2 patterns.
4134 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
4135 using any_shiftrt code iterator.
4136 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
4137 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
4138 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
4139 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
4140 *{ashr,lshr}<mode>3_cmp_zext.
4141 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
4143 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4145 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
4147 (*lshr<mode>3_cconly): Ditto.
4149 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
4151 * config/i386/i386.md (lshr<mode>3): Macroize expander from
4152 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4153 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4154 pattern from *lshr{di,ti}3_1 and corresponding splitters using
4156 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4157 from corresponding peephole2 patterns.
4158 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
4159 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
4160 and *lshrdi3_1_rex64 using SWI mode iterator.
4161 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
4162 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
4163 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
4164 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
4165 and *lshrdi3_cmp_rex64 using SWI mode iterator.
4166 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
4167 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
4168 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
4169 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
4172 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
4174 * config/i386/i386.md (ashr<mode>3): Macroize expander from
4175 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
4176 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
4177 pattern from *ashr{di,ti}3_1 and corresponding splitters using
4179 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
4180 from corresponding peephole2 patterns.
4181 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
4182 (ashrsi3_cvt): Rename from ashrsi3_31.
4183 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
4184 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
4185 and x86_64_shift_adj_3 using SWI48 mode iterator.
4186 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
4187 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
4188 and *ashrdi3_1_rex64 using SWI mode iterator.
4189 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
4190 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
4191 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
4192 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
4193 and *ashrdi3_cmp_rex64 using SWI mode iterator.
4194 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
4195 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
4196 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
4197 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
4199 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
4200 * config/i386/i386.c (ix86_split_ashr): Update for renamed
4201 x86_shift<mode>_adj_3 expanders.
4203 2010-04-10 Wei Guozhi <carrot@google.com>
4206 * config/arm/arm.c (arm_pic_static_addr): New function.
4207 (legitimize_pic_address): Call arm_pic_static_addr when it detects
4209 (arm_output_addr_const_extra): Output expression for new pattern.
4210 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
4212 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
4214 * ira-costs.c (record_reg_classes): Ignore alternatives that are
4217 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
4218 * web.c: Include "insn-config.h" and "recog.h".
4219 (union_match_dups): New function.
4220 (web_main): Call it.
4221 (union_defs): Don't try to recognize match_dups.
4223 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
4224 if doing so would replace the entire pattern.
4226 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4230 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
4231 and splitter pattern. Change splitter operand 1 predicate to
4234 2010-04-09 Martin Jambor <mjambor@suse.cz>
4236 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
4237 lattices are addresses of CONST_DECLs with the same initial value.
4238 (ipcp_print_all_lattices): Print values of CONST_DECLs.
4239 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
4241 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
4242 Bernd Schmidt <bernds@codesourcery.com>
4244 * loop-invariant.c (replace_uses): New static function.
4245 (move_invariant_reg): Use it to ensure we can replace the uses.
4247 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
4249 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
4251 (picochip_override_options): Enable section anchors only above -O1.
4252 (picochip_reorg): Fixed a couple of build warnings.
4254 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4256 * configure.ac (plugin -rdynamic test): Log result.
4257 * configure: Regenerate.
4258 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
4259 (RDYNAMIC_SPEC): Define.
4260 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
4262 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4264 * configure.ac: Determine Sun ld version numbers.
4265 (comdat_group): Restrict GNU ld version checks to gld.
4266 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
4267 (enable_comdat): Support --enable-comdat.
4268 * configure: Regenerate.
4269 * doc/install.texi (Configuration): Document --enable-comdat.
4271 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4273 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
4274 * config/sol2-gld.h: ... here.
4275 * config.gcc (sparc*-*-solaris2*): Reflect this.
4276 (i[34567]86-*-solaris2*): Use it.
4278 2010-04-09 Steve Ellcey <sje@cup.hp.com>
4280 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
4282 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
4284 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4287 * diagnostic.c (diagnostic_initialize): Initialize
4288 some_warnings_are_errors.
4289 (diagnostic_finish): New.
4290 (diagnostic_action_after_output): Call it before exiting.
4291 (diagnostic_report_diagnostic): Do not print message here. Set
4292 some_warnings_are_errors.
4293 * diagnostic.h (diagnostic_context): Delete
4294 issue_warnings_are_errors_message. Add some_warnings_are_errors.
4295 (diagnostic_finish): Declare.
4296 * toplev.c (toplev_main): Call it before exit.
4298 2010-04-09 Jason Merrill <jason@redhat.com>
4301 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
4302 for incomplete type.
4305 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
4306 based on a warning flag.
4308 2010-04-09 Richard Guenther <rguenther@suse.de>
4310 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
4312 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
4315 * varasm.c (default_assemble_visibility): Wrap vars that are
4316 set, but unused, by targets without GAS.
4317 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
4318 Remove set, but unused, vars.
4319 (rs6000_legitimize_tls_address): Likewise.
4320 (altivec_expand_dst_builtin): Likewise.
4321 * config/darwin.c (machopic_classify_symbol): Likewise.
4322 (machopic_indirection_name): Likewise.
4324 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
4326 * config/i386/i386.md (DWI): New mode iterator.
4327 (S): New mode attribute.
4328 (shift_operand): Ditto.
4329 (shift_immediate_operand): Ditto.
4330 (ashl_input_operand): Ditto.
4331 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
4332 using SDWIM mode iterator.
4333 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
4334 pattern from *ashl{di,ti}3_1 and corresponding splitters using
4336 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
4337 from corresponding peephole2 patterns.
4338 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
4339 and x86_64_shift_adj_1 using SWI48 mode iterator.
4340 (x86_shift<mode>_adj_2): Ditto.
4341 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
4342 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
4343 using SWI48 mode iterator.
4344 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
4345 *ashldi3_cmp_rex64 using SWI mode iterator.
4346 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
4347 *ashldi3_cconly_rex64 using SWI mode iterator.
4348 * config/i386/i386.c (ix86_split_ashl): Update for renamed
4349 x86_shift<mode>_adj_{1,2}.
4350 (ix86_split_ashr): Ditto.
4351 (ix86_split_lshr): Ditto.
4353 2010-04-09 Richard Guenther <rguenther@suse.de>
4355 * target.h (builtin_conversion): Pass in input and output types.
4356 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
4357 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
4358 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
4359 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
4361 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
4363 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
4365 2010-04-09 Richard Guenther <rguenther@suse.de>
4368 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
4370 2010-04-09 Richard Guenther <rguenther@suse.de>
4372 * tree-vectorizer.h (struct _stmt_vec_info): Document
4373 that vectype is the type of the LHS.
4374 (supportable_widening_operation, supportable_narrowing_operation):
4375 Get both input and output vector types as arguments.
4376 (vect_is_simple_use_1): Declare.
4377 (get_same_sized_vectype): Likewise.
4378 * tree-vect-loop.c (vect_determine_vectorization_factor):
4379 Set STMT_VINFO_VECTYPE to the vector type of the def.
4380 (vectorizable_reduction): Adjust.
4381 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
4382 Adjust. Specify the output vector type.
4383 (vect_pattern_recog_1): Adjust.
4384 * tree-vect-stmts.c (get_same_sized_vectype): New function.
4385 (vectorizable_call): Adjust.
4386 (vectorizable_conversion): Likewise.
4387 (vectorizable_operation): Likewise.
4388 (vectorizable_type_demotion): Likewise.
4389 (vectorizable_type_promotion): Likewise.
4390 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
4392 (vect_is_simple_use_1): New function.
4393 (supportable_widening_operation): Get both input and output
4395 (supportable_narrowing_operation): Likewise.
4396 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
4398 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
4400 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
4401 __thiscall and _thiscall as predefined macros.
4402 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
4403 thiscall attribute handling.
4404 (ix86_comp_type_attributes): Likewise.
4405 (ix86_function_regparm): Likewise.
4406 (ix86_return_pops_args): Likewise.
4407 (init_cumulative_args): Likewise.
4408 (find_drap_reg): Likewise.
4409 (ix86_static_chain): Likewise.
4410 (x86_this_parameter): Likewise.
4411 (x86_output_mi_thunk): Likewise.
4412 (ix86_attribute_table): Add description for thiscall attribute.
4413 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
4414 * doc/extend.texi: Add documentation for thiscall.
4416 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
4419 * c.opt (Wint-to-pointer-cast): Available in C++.
4420 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
4422 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
4424 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
4425 * calls.c (expand_call): Pass the function type to aggregate_value_p.
4426 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
4427 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
4428 function type instead. Reorder and simplify checks.
4430 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
4432 2010-04-08 Jing Yu <jingyu@google.com>
4433 Zdenek Dvorak <ook@ucw.cz>
4435 PR tree-optimization/42720
4436 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
4437 loop unswitch conditions here from ...
4438 (tree_unswitch_single_loop): ... here.
4440 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4442 * tree-if-conv.c: Fix comments and simplify logic.
4444 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
4446 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
4447 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
4448 (main_tree_if_conversion): Update call to tree_if_conversion.
4450 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
4453 * doc/invoke.texi (-b,-V): Delete.
4454 * doc/tm.texi: Do not mention -b.
4455 * gcc.c (display_help): Delete -b and -V.
4456 (process_command): Delete -b and -V.
4457 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
4459 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
4460 Wolfgang Gellerich <gellerich@de.ibm.com>
4462 Implement target hook for loop unrolling
4463 * target.h (loop_unroll_adjust): Add a new target hook function.
4464 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
4465 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
4466 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
4467 (s390_loop_unroll_adjust): Implement the new target hook for s390.
4468 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
4470 (decide_unroll_stupid): Likewise.
4472 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4475 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
4477 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4479 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
4480 (Specific, *-*-solaris2*): Likewise.
4481 Don't prefer Sun as over GNU as.
4483 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
4485 * config/s390/s390.c (override_options): Adjust the z10 defaults
4486 for max-unroll-times, max-completely-peeled-insns
4487 and max-completely-peel-times.
4489 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4491 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
4492 instructions for z10.
4493 (s390_expand_setmem): Likewise.
4494 (s390_expand_cmpmem): Likewise.
4496 2010-04-08 Richard Guenther <rguenther@suse.de>
4498 PR tree-optimization/43679
4499 * tree-ssa-pre.c (eliminate): Only propagate copies.
4501 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4504 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
4505 set but not used variable warning.
4507 2010-04-08 Wei Guozhi <carrot@google.com>
4510 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
4511 (arm_size_rtx_costs): Call the new function when optimized for size.
4513 2010-04-08 Jakub Jelinek <jakub@redhat.com>
4516 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
4517 op0 is not a MEM, just return NULL instead of assertion
4519 (discover_nonconstant_array_refs): Don't walk debug stmts.
4521 2010-04-08 Doug Kwan <dougkwan@google.com>
4523 * configure.ac: Recognize gold and do not use its version number
4524 to test ld features.
4525 * configure: Regenerate.
4527 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
4530 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
4531 (negate_value): Move code to push elements to broken_up_substracts ...
4532 (eliminate_plus_minus_pair): ... here. Push operands that have no
4533 negative pair to plus_negates.
4534 (repropagate_negates, init_reassoc, fini_reassoc): Update.
4536 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4538 * doc/install.texi (Configuration): Move description of
4539 --enable-lto, --with-libelf*, --enable-gold from Java section to
4542 * doc/generic.texi (Working with declarations)
4543 (Function Properties, C and C++ Trees): Fix typos.
4544 * doc/sourcebuild.texi (Top Level): Likewise.
4546 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4549 * tree.h (DECL_READ_P): Define.
4550 (struct tree_decl_common): Add decl_read_flag.
4551 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
4552 a set but not used warning.
4553 (merge_decls): Merge DECL_READ_P flag.
4554 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
4555 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
4556 * c-common.c (handle_used_attribute, handle_unused_attribute):
4558 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
4560 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
4562 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
4563 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
4564 c_parser_binary_expression, c_parser_cast_expression,
4565 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
4566 Call default_function_array_read_conversion instead of
4567 default_function_array_conversion where needed.
4568 (c_parser_unary_expression, c_parser_conditional_expression,
4569 c_parser_postfix_expression_after_primary, c_parser_initelt):
4570 Likewise. Call mark_exp_read where needed.
4571 (c_parser_statement_after_labels, c_parser_asm_operands,
4572 c_parser_typeof_specifier, c_parser_sizeof_expression,
4573 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
4575 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
4577 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
4578 (warn_unused_but_set_parameter): Default to warn_unused
4580 * doc/invoke.texi: Document -Wunused-but-set-variable and
4581 -Wunused-but-set-parameter.
4583 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
4584 used count variable.
4585 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
4586 when operandN variables aren't used in the body of the expander
4588 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
4589 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
4590 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
4591 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
4592 FOR_EACH_IMM_USE_ON_STMT): Likewise.
4593 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
4594 * tree.c (PROCESS_ARG): Likewise.
4596 2010-04-07 Simon Baldwin <simonb@google.com>
4598 * diagnostic.h (diagnostic_override_option_index): New macro to
4599 set a diagnostic's option_index.
4600 * c-tree.h (c_cpp_error): Add warning reason argument.
4601 * opts.c (_warning_as_error_callback): New.
4602 (register_warning_as_error_callback): Store callback for
4603 warnings enabled via enable_warning_as_error.
4604 (enable_warning_as_error): Call callback, minor code tidy.
4605 * opts.h (register_warning_as_error_callback): Declare.
4606 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
4607 response to -Werror=.
4608 (c_common_init_options): Register warning_as_error_callback in opts.c.
4609 * common.opt: Add -Wno-cpp option.
4610 * c-common.c (struct reason_option_codes_t): Map cpp warning
4611 reason codes to gcc option indexes.
4612 * (c_option_controlling_cpp_error): New function, lookup the gcc
4613 option index for a cpp warning reason code.
4614 * (c_cpp_error): Add warning reason argument, call
4615 c_option_controlling_cpp_error for diagnostic_override_option_index.
4616 * doc/invoke.texi: Document -Wno-cpp.
4618 2010-04-07 Richard Guenther <rguenther@suse.de>
4620 * ipa-reference.c (mark_load): Use get_base_address.
4621 (mark_store): Likewise.
4623 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
4624 inserting GIMPLE_NOPs into the IL.
4625 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4626 Explicitly strip handled components and indirect references.
4628 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
4629 folding address expressions.
4630 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
4631 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
4632 operand_equal_p to compare decls.
4633 (ptr_deref_may_alias_decl_p): Likewise.
4634 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
4635 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
4636 Handle reversed comparison ops.
4637 * tree-sra.c (asm_visit_addr): Use get_base_address.
4638 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
4639 * ipa-reference.c (mark_address): Use get_base_address.
4641 2010-04-07 Richard Guenther <rguenther@suse.de>
4643 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
4644 Propagate constants everywhere.
4646 2010-04-07 Jakub Jelinek <jakub@redhat.com>
4649 * tree.c (MAX_INT_CACHED_PREC): Define.
4650 (nonstandard_integer_type_cache): New array.
4651 (build_nonstandard_integer_type): Cache results for precision
4652 <= MAX_INT_CACHED_PREC.
4654 2010-04-07 Richard Guenther <rguenther@suse.de>
4656 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
4657 -fargument-noalias-global, -fargument-noalias-anything): Remove.
4658 * common.opt: Likewise.
4659 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
4660 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
4661 (nonoverlapping_memrefs_p): Likewise.
4662 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
4663 * opts.c (common_handle_option): Handle OPT_fargument_alias,
4664 OPT_fargument_noalias, OPT_fargument_noalias_anything and
4665 OPT_fargument_noalias_global for backward compatibility.
4667 2010-04-07 Richard Guenther <rguenther@suse.de>
4669 PR tree-optimization/43270
4670 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
4671 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
4672 * tree-ssa-pre.c (phi_translate_1): Adjust.
4673 (fully_constant_expression): Split out vn_reference handling to ...
4674 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
4675 Fold reads from constant strings.
4676 (vn_reference_lookup): Handle fully constant references.
4677 (vn_reference_lookup_pieces): Likewise.
4678 * Makefile.in (expmed.o-warn): Add -Wno-error.
4680 2010-04-07 Martin Jambor <mjambor@suse.cz>
4682 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
4684 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
4687 * gcc.c: Add -static-libstdc++ to list of recognized options.
4689 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4691 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
4693 2010-04-07 Richard Guenther <rguenther@suse.de>
4696 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
4697 bases build simple mem attributes to retain points-to information.
4699 2010-04-07 Richard Guenther <rguenther@suse.de>
4702 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
4703 preserve points-to related information.
4705 2010-04-07 Richard Guenther <rguenther@suse.de>
4708 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
4709 discard plain indirect references.
4710 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
4711 * tree.c (tree_nop_conversion): Likewise.
4713 2010-04-07 Dodji Seketeli <dodji@redhat.com>
4716 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
4718 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
4720 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
4721 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
4723 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4725 * tree-if-conv.c: Fix indentation and comments.
4727 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4729 * tree-if-conv.c: Sort static functions in topological order.
4731 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
4733 * tree-if-conv.c: Fix indentation and comments.
4735 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4738 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
4739 lang_hooks.types.type_for_size instead of
4740 build_nonstandard_integer_type.
4741 When converting an unsigned type to signed, double its precision.
4742 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
4743 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
4744 (graphite_create_new_loop_guard): When ub + 1 wraps around,
4747 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4750 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
4751 POINTER_PLUS_EXPR for pointer types.
4753 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4756 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
4757 * graphite-clast-to-gimple.c: Include langhooks.h.
4758 (max_signed_precision_type): New.
4759 (max_precision_type): Takes two types as arguments.
4760 (precision_for_value): New.
4761 (precision_for_interval): New.
4762 (gcc_type_for_interval): New.
4763 (gcc_type_for_value): New.
4764 (gcc_type_for_clast_term): New.
4765 (gcc_type_for_clast_red): New.
4766 (gcc_type_for_clast_bin): New.
4767 (gcc_type_for_clast_expr): Split up into several functions.
4768 (gcc_type_for_clast_eq): Rewritten.
4769 (compute_bounds_for_level): New.
4770 (compute_type_for_level_1): New.
4771 (compute_type_for_level): New.
4772 (gcc_type_for_cloog_iv): Removed.
4773 (gcc_type_for_iv_of_clast_loop): Rewritten.
4774 (graphite_create_new_loop): Compute the lower and upper bound types
4775 with gcc_type_for_clast_expr.
4776 (graphite_create_new_loop_guard): Same.
4777 (find_cloog_iv_in_expr): Removed.
4778 (compute_cloog_iv_types_1): Removed.
4779 (compute_cloog_iv_types): Removed.
4780 (gloog): Do not call compute_cloog_iv_types.
4781 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
4783 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
4784 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
4785 (GBB_CLOOG_IV_TYPES): Removed.
4787 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4789 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
4790 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
4791 (detect_commutative_reduction): Same.
4793 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4795 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
4796 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
4798 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
4799 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
4800 (rewrite_commutative_reductions_out_of_ssa): Same.
4801 * passes.c (execute_function_todo): Call verify_ssa for every pass
4802 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
4803 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
4804 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
4805 with an extra argument.
4806 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
4807 verify_ssa only when the extra argument is true.
4808 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
4809 with an extra argument.
4810 (tree_transform_and_unroll_loop): Same.
4812 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
4814 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
4815 for all the passes of the LNO having LOOP_CLOSED_SSA.
4816 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
4817 * tree-loop-distribution.c (pass_loop_distribution): Same.
4818 * tree-pass.h (TODO_verify_loops): Removed.
4819 * tree-ssa-loop.c (pass_tree_loop_init): Same.
4821 (pass_tree_unswitch): Same.
4822 (pass_predcom): Same.
4823 (pass_vectorize): Same.
4824 (pass_linear_transform): Same.
4825 (pass_graphite_transforms): Same.
4826 (pass_iv_canon): Same.
4827 (pass_complete_unroll): Same.
4828 (pass_complete_unrolli): Same.
4829 (pass_parallelize_loops): Same.
4830 (pass_loop_prefetch): Same.
4831 (pass_iv_optimize): Same.
4833 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
4836 * passes.c (init_optimization_passes): Move pass_lim before
4837 pass_copy_prop and pass_dce_loop.
4839 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4842 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
4843 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
4844 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
4845 MULTI_* defines for 4 argument vpermil2p* builtins.
4847 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4849 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
4850 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4851 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4852 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4853 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4854 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4855 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4856 Use x86_maybe_negate_const_int to output insn mnemonic.
4857 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4858 check from instruction predicate. Update comments.
4859 * config/i386/sync.md (sync_add<mode>): Use
4860 x86_maybe_negate_const_int to output insn mnemonic.
4862 2010-04-06 Jan Hubicka <jh@suse.cz>
4864 PR tree-optimization/42906
4865 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4866 IGNORE_SELF argument. Set visited_control_parents for fully
4868 (find_obviously_necessary_stmts): Update call of
4869 mark_control_dependent_edges_necessary.
4870 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4872 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4874 * config/i386/i386.md: Remove comment about 'e' and 'E'
4877 2010-04-06 Richard Guenther <rguenther@suse.de>
4879 PR tree-optimization/43627
4880 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4881 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4884 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4886 * BASE-VER: Change to 4.6.0.
4889 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4892 2010-04-06 Richard Guenther <rguenther@suse.de>
4895 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4897 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4899 * doc/invoke.texi (Optimize Options): Document that LTO
4900 won't remove object access purely due to incompatible
4903 2010-04-04 Matthias Klose <doko@ubuntu.com>
4905 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4906 Initialize variable.
4908 2010-04-03 Richard Guenther <rguenther@suse.de>
4911 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4912 require a non-NULL MEM_OFFSET.
4914 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4916 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4917 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4918 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4919 config/alpha/predicates.md, config/arm/arm.md,
4920 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4921 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4922 config/darwin9.h, config/darwin.c, config/darwin.h,
4923 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4924 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4925 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4926 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4927 config/mips/mips.md, config/mn10300/mn10300.c,
4928 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4929 config/rs6000/aix.h, config/rs6000/dfp.md,
4930 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4931 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4932 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4933 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4934 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4935 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4936 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4937 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4938 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4939 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4940 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4941 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4942 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4943 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4944 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4945 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4946 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4947 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4948 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4949 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4950 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4951 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4952 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4953 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4954 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4955 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4956 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4957 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4958 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4959 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4960 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4961 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4962 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4963 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4964 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4965 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4967 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4970 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4971 * aclocal.m4: Regenerate.
4973 2010-04-02 Richard Guenther <rguenther@suse.de>
4975 PR tree-optimization/43629
4976 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4977 if we have seen a constant value.
4979 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4981 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4983 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4986 * arm.c (legitimize_tls_address): Adjust call to
4987 gen_tls_load_dot_plus_four.
4988 (arm_note_pic_base): New function.
4989 (arm_cannot_copy_insn_p): Use it.
4990 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4993 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4998 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5000 * Makefile.in ($(out_object_file)): Depend on
5001 gt-$(basename $(notdir $(out_file))).h.
5003 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
5005 * config.gcc (lm32-*-rtems*): Add t-lm32.
5007 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
5009 * config.gcc: Add lm32-*-rtems*.
5010 * config/lm32/rtems.h: New file.
5012 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
5015 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
5017 2010-04-01 Jakub Jelinek <jakub@redhat.com>
5019 * dwarf2out.c (output_compilation_unit_header): For
5020 -gdwarf-4 use version 4 instead of version 3.
5021 (output_line_info): For version 4 and above emit additional
5022 maximum ops per insn header field.
5023 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
5025 * dwarf2out.c (is_c_family, is_java): Remove.
5026 (lower_bound_default): New function.
5027 (add_bound_info, gen_descr_array_type_die): Use it.
5029 2010-04-01 Dodji Seketeli <dodji@redhat.com>
5032 * dwarf2out.c (gen_variable_die): Allow debug info for variable
5033 re-declaration when it happens in a function.
5035 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
5037 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
5038 (cgraph_remove_function_insertion_hook): Same.
5039 (cgraph_call_function_insertion_hooks): Same.
5041 2010-04-01 Richard Guenther <rguenther@suse.de>
5044 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
5045 and TREE_THIS_VOLATILE.
5046 (copy_ref_info): Likewise.
5047 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
5048 * tree.c (build6_stat): Ignore side-effects of all but arg5
5049 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
5052 2010-04-01 Richard Guenther <rguenther@suse.de>
5054 PR tree-optimization/43607
5055 * ipa-type-escape.c (check_call): Do not access non-existing
5058 2010-04-01 Richard Guenther <rguenther@suse.de>
5062 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5063 Jack Howarth <howarth@bromo.med.uc.edu>
5065 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5068 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5070 * doc/install.texi (Prerequisites): Document libelf usability on
5071 IRIX 5/6 and Solaris 2.
5072 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
5073 Update GNU as, GNU ld requirements.
5074 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
5075 Document Sun Studio compiler download.
5076 Update and simplify as, ld recommendations.
5077 (Specific, *-*-solaris2.7): Note obsoletion, removal.
5079 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5081 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
5082 with_tune_32 to pentium4.
5084 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
5086 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
5088 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5090 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
5091 obsoletion, removal.
5093 Document GNU as requirement.
5094 Update configure requirements.
5095 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
5096 Recomment IRIX 6.5.18+.
5097 Document IDF/IDL requirement.
5098 Document GNU as requirement.
5099 Document GNU ld bootstrap failure.
5100 Remove freeware.sgi.com reference.
5102 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5104 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
5105 UNIX V4.0, V5.0 obsoletion, removal.
5106 Remove --with-gc=simple reference.
5107 Update VM requirements during bootstrap.
5108 Remove -oldas bootstrap description.
5109 Update binutils reference.
5110 Remove comparison failure note.
5112 2010-03-31 Richard Guenther <rguenther@suse.de>
5113 Zdenek Dvorak <ook@ucw.cz>
5114 Sebastian Pop <sebastian.pop@amd.com>
5117 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
5118 with multiple arguments.
5119 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
5121 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5123 * graphite-dependences.c (print_pddr): Call print_pdr with an
5125 * graphite-poly.c (debug_pdr): Add an extra argument for the
5128 (print_pbb_domain): Same.
5130 (print_scop_context): Same.
5132 (print_cloog): Same.
5133 (debug_pbb_domain): Same.
5137 (debug_scop_context): Same.
5139 (debug_cloog): Same.
5140 (print_scop_params): Same.
5141 (debug_scop_params): Same.
5142 (print_iteration_domain): Same.
5143 (print_iteration_domains): Same.
5144 (debug_iteration_domain): Same.
5145 (debug_iteration_domains): Same.
5146 (print_scattering_function): Same.
5147 (print_scattering_functions): Same.
5148 (debug_scattering_function): Same.
5149 (debug_scattering_functions): Same.
5150 * graphite-poly.h (debug_pdr): Update declaration.
5152 (print_pbb_domain): Same.
5154 (print_scop_context): Same.
5156 (print_cloog): Same.
5157 (debug_pbb_domain): Same.
5161 (debug_scop_context): Same.
5163 (debug_cloog): Same.
5164 (print_scop_params): Same.
5165 (debug_scop_params): Same.
5166 (print_iteration_domain): Same.
5167 (print_iteration_domains): Same.
5168 (debug_iteration_domain): Same.
5169 (debug_iteration_domains): Same.
5170 (print_scattering_function): Same.
5171 (print_scattering_functions): Same.
5172 (debug_scattering_function): Same.
5173 (debug_scattering_functions): Same.
5175 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5177 * graphite-poly.c (print_scattering_function_1): New.
5178 (print_scattering_function): Call it.
5179 (print_scop_params): Remove spaces at the end of lines.
5182 * graphite-poly.h (print_cloog): Declared.
5183 (debug_cloog): Declared.
5185 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5187 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
5189 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
5190 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
5191 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
5192 to switch between adding the IV bump in loop->latch or in loop->header.
5194 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
5196 * graphite-poly.c (print_scattering_function): Pretty print following
5199 (print_pbb_domain): Same.
5200 (dump_gbb_cases): Same.
5201 (dump_gbb_conditions): Same.
5204 (print_scop_params): Same.
5205 (print_scop_context): Same.
5207 (print_pbb_body): New.
5208 (lst_indent_to): New.
5209 (print_lst): Start new lines with a #.
5210 * graphite-poly.h (pbb_bb): New.
5211 (pbb_index): Use pbb_bb.
5212 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
5214 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
5216 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5218 * dwarf2out.c (size_of_die): For -gdwarf-4 use
5219 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
5220 and 0 instead of 1 for dw_val_class_flag.
5221 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
5222 dw_val_class_range_list, dw_val_class_loc_list,
5223 dw_val_class_lineptr and dw_val_class_macptr, use
5224 DW_FORM_flag_present for dw_val_class_flag and
5225 DW_FORM_exprloc for dw_val_class_loc.
5226 (output_die): For -gdwarf-4 print dw_val_class_loc
5227 size as uleb128 instead of 1 or 2 bytes and don't print
5228 anything for dw_val_class_flag.
5230 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
5231 instead of cselib_lookup following by tweaking locs->setting_insn.
5234 * cselib.c (cselib_process_insn): Clear cselib_current_insn
5235 even before returning from label, setjmp call or volatile asm
5238 2010-03-31 Richard Guenther <rguenther@suse.de>
5241 * cgraphunit.c (cgraph_output_in_order): Do not allocate
5242 temporary data on stack.
5244 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5246 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
5247 (PUSHSECTION_ASM_OP): Remove.
5248 (POPSECTION_ASM_OP): Remove.
5249 (PUSHSECTION_FORMAT): Remove.
5250 * config/sol2.h (PUSHSECTION_FORMAT): Define.
5251 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
5252 * config/sol2.c (solaris_output_init_fini): Use it.
5254 2010-03-31 Jie Zhang <jie@codesourcery.com>
5257 * opt-functions.awk (var_type_struct): Use signed char type
5258 for simple variables.
5260 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5262 * config/sol2.c: Include output.h.
5263 (solaris_assemble_visibility): New function.
5264 * config/t-sol2 (sol2.o): Add output.h dependency.
5265 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
5266 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
5269 2010-03-31 Jakub Jelinek <jakub@redhat.com>
5272 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
5273 V2SImode or XFmode on PRE_DEC.
5276 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
5279 2010-03-31 Jie Zhang <jie@codesourcery.com>
5282 * reload.h (caller_save_initialized_p): Declare.
5283 * toplev.c (backend_init_target): Don't call
5284 init_caller_save but set caller_save_initialized_p to false.
5285 * caller-save.c (caller_save_initialized_p): Define.
5286 (init_caller_save): Check caller_save_initialized_p.
5287 * ira.c (ira): Call init_caller_save if flag_caller_saves.
5289 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5292 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
5293 and soft-fp/t-softfp to tmake_file.
5294 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
5295 (LIBGCC2_TF_CEXT): Define.
5298 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
5301 * cselib.c (n_useless_values): Document handling of debug locs.
5302 (n_useless_debug_values, n_debug_values): New variables.
5303 (new_elt_loc_list): Don't add to debug values, keep count.
5304 (promote_debug_loc): New.
5305 (cselib_reset_table): Zero new variables.
5306 (entry_and_rtx_equal_p): Promote debug locs.
5307 (discard_useless_locs): Increment n_useless_debug_values for
5309 (remove_useless_values): Adjust n_useless_values and n_debug_values
5310 with n_useless_debug_values.
5311 (add_mem_for_addr): Promote debug locs.
5312 (cselib_lookup_mem): Likewise.
5313 (cselib_lookup_addr): Renamed to...
5314 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
5315 (cselib_log_lookup): ... this. Turn into...
5316 (cselib_lookup_addr): ... new wrapper.
5317 (cselib_lookup_from_insn): New.
5318 (cselib_invalidate_regno): Increment n_useless_debug_values for
5320 (cselib_invalidate_mem): Likewise.
5321 (cselib_process_insn): Take n_deleted and n_debug_values into
5322 account to guard remove_useless_value call.
5323 (cselib_finish): Zero n_useless_debug_values.
5324 * cselib.h (cselib_lookup_from_insn): Declare.
5325 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
5326 (sched_analyze_2): Likewise.
5328 2010-03-30 Jakub Jelinek <jakub@redhat.com>
5330 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
5332 (adjust_mems): Replace narrowing SUBREG of expression containing
5333 just PLUS, MINUS, MULT and ASHIFT of registers and constants
5334 with operations in the narrower mode.
5337 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
5338 regs_invalidated_by_call instead all call_used_reg_set registers.
5340 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
5343 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
5344 pointer comparisons with types_compatible_p.
5345 * tree-vect-stmts.c (vectorizable_call): Same.
5346 (vectorizable_condition): Same.
5348 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5350 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
5351 stack check if the mask would be zero.
5353 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
5354 Jack Howarth <howarth@bromo.med.uc.edu>
5356 * tree-profile.c (tree_init_ic_make_global_vars): Make static
5359 2010-03-30 Joseph Myers <joseph@codesourcery.com>
5362 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
5364 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
5365 Include ___unordxf2 and ___unordtf2.
5366 * config/i386/libgcc-glibc.ver: Do not define inheritance from
5369 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
5371 * config/lm32/t-lm32: New file.
5372 * config.gcc: Use the above file when targetting lm32.
5374 2010-03-28 Duncan Sands <baldrick@free.fr>
5376 * Makefile.in (PLUGIN_HEADERS): Add except.h.
5378 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5381 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
5382 Improve vectorization cost model diagnostic.
5384 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
5387 * tree-vect-data-refs.c (vect_analyze_data_refs): When
5388 compute_data_dependences_for_loop returns false, early exit
5389 and output an extra diagnostic for the failed data reference
5392 2010-03-29 Richard Guenther <rguenther@suse.de>
5394 PR tree-optimization/43560
5395 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
5396 (can_sm_ref_p): Treat stores to readonly locations as trapping.
5398 2010-03-29 Jie Zhang <jie@codesourcery.com>
5401 * toplev.c (process_options): Set optimization_default_node
5402 and optimization_current_node.
5403 * opts.c (decode_options): Don't set optimization_default_node
5404 and optimization_current_node.
5406 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
5408 * config/rtems.h: Abandon -qrtems_debug.
5410 2010-03-28 Jan Hubicka <jh@suse.cz>
5412 PR tree-optimization/43505
5413 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
5414 map should not be copied.
5416 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5419 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
5420 cdtors, set DECL_PRESERVE_P.
5421 * ipa.c (cgraph_externally_visible_p): Return true if declaration
5424 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
5426 PR tree-optimization/43528
5427 * stor-layout.c (place_field): Check that constant fits into
5428 unsigned HWI when skipping calculation of MS bitfield layout.
5430 2010-03-27 Jan Hubicka <jh@suse.cz>
5433 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
5434 notice_global_symbol work.
5436 2010-03-27 Jakub Jelinek <jakub@redhat.com>
5438 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
5439 instead of dwarf2out_decl.
5440 (struct var_loc_node): Remove section_label field.
5441 (dwarf2out_function_decl): New function.
5442 (dwarf2out_var_location): Don't set section_label field.
5443 (dwarf2out_begin_function): Don't empty decl_loc_table here.
5445 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
5447 PR tree-optimization/43544
5448 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5449 First argument for builtin vectorized function hook is now a
5450 tree to be able to distinguish between machine specific and
5452 * targhooks.c (default_builtin_vectorized_function): Ditto.
5453 * targhooks.h (default_builtin_vectorized_function): Ditto.
5454 * target.h (struct gcc_target): Ditto.
5455 * tree-vect-stmts.c (vectorizable_function): Ditto.
5456 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
5457 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5460 2010-03-26 Joseph Myers <joseph@codesourcery.com>
5463 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
5464 nested binding iff it is a FUNCTION_DECL.
5465 (store_parm_decls_newstyle): Pass nested=true to bind for
5466 FUNCTION_DECLs amongst parameters.
5468 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5470 * var-tracking.c (vt_expand_loc_callback): Don't run
5471 cselib_expand_value_rtx_cb in dummy mode if
5472 cselib_dummy_expand_value_rtx_cb returned false.
5474 * var-tracking.c (emit_note_insn_var_location): For one part
5475 notes with offset 0, don't add EXPR_LIST around the location.
5476 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
5477 add_location_or_const_value_attribute): Adjust for that change.
5480 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
5481 into first operand and location into second.
5482 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
5483 dw_cfi_oprnd_loc for DW_CFA_expression.
5484 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
5485 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
5486 assume first argument is regnum and second argument is location.
5488 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5491 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
5492 of scratch register to DImode. Split to DImode comparison operator.
5493 Use SImode subreg of scratch register in the multiplication.
5494 (*cmp_sadd_sidi): Ditto.
5495 (*cmp_ssub_si): Ditto.
5496 (*cmp_ssub_sidi): Ditto.
5498 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
5501 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
5502 Remove invalid assert and wrong comment.
5504 2010-03-26 Jakub Jelinek <jakub@redhat.com>
5507 * flags.h (final_insns_dump_p): New extern.
5508 * final.c (final_insns_dump_p): New variable.
5509 (rest_of_clean_state): Set it before -fdump-final-insns=
5510 dumping, clear afterwards.
5511 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
5512 MEM_ALIAS_SET on MEMs.
5514 2010-03-26 David S. Miller <davem@davemloft.net>
5516 * configure.ac: Fix sparc GOTDATA_OP bug check.
5517 * configure: Rebuild.
5519 2010-03-26 Alan Modra <amodra@gmail.com>
5521 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
5523 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5525 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
5526 TLS_SECTION_ASM_FLAG.
5528 2010-03-25 Jakub Jelinek <jakub@redhat.com>
5531 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
5532 Clear first_function_block_is_cold.
5535 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
5536 argument if the argument is truth_value_p.
5538 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
5540 * config/rs6000/constraints.md: Update copyright year for my changes.
5543 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
5544 used in reg+reg addressing, swap registers.
5546 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5549 * target.h (struct gcc_target): Add code_end hook.
5550 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
5552 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
5553 * toplev.c (compile_file): Call targetm.asm_out.code_end
5554 hook before unwind info/debug info output.
5555 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
5556 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
5557 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5558 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
5559 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
5560 * config/i386/i386.c (ix86_file_end): Renamed to...
5561 (ix86_code_end): ... this. Make static. Don't call
5562 file_end_indicate_exec_stack. Emit unwind info using
5563 final_start_function/final_end_function.
5564 (darwin_x86_file_end): Remove.
5565 (TARGET_ASM_CODE_END): Define.
5566 * config/i386/i386.h (TARGET_ASM_FILE_END,
5567 NEED_INDICATE_EXEC_STACK): Don't define.
5568 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
5569 (TARGET_ASM_FILE_END): Define to darwin_file_end.
5570 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
5571 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
5574 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
5575 at the beginning and final_end_function at the end.
5576 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
5578 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5580 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
5581 and Sun as TLS syntax.
5582 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
5583 * configure: Regenerate.
5584 * config.in: Regenerate.
5585 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
5586 (default_elf_asm_named_section): Use it.
5587 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
5588 (i386_output_dwarf_dtprel): Likewise.
5589 (output_addr_const_extra): Likewise.
5590 (output_pic_addr_const): Lowercase @GOTTPOFF.
5591 (output_addr_const_extra): Likewise.
5592 (output_pic_addr_const): Lowercase @GOTNTPOFF.
5593 (output_addr_const_extra): Likewise.
5594 (output_pic_addr_const): Lowercase @INDNTPOFF.
5595 (output_addr_const_extra): Likewise.
5596 (output_pic_addr_const): Lowercase @NTPOFF.
5597 (output_addr_const_extra): Likewise.
5598 (output_pic_addr_const): Lowercase @TPOFF.
5599 (output_addr_const_extra): Likewise.
5600 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
5601 (*tls_global_dynamic_64): Likewise.
5602 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
5603 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
5605 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
5606 (ASM_OUTPUT_TLS_COMMON): Use it.
5607 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
5610 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
5611 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
5612 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
5613 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
5614 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5615 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
5617 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5619 * config/i386/i386.c (override_options): Don't accept
5620 -mtls-dialect=sun any longer.
5621 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
5622 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
5623 (*tls_local_dynamic_base_32_sun): Likewise.
5624 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
5626 2010-03-24 Jakub Jelinek <jakub@redhat.com>
5629 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5630 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
5633 * ira.c (adjust_cleared_regs): New function.
5634 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
5638 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
5640 * expr.c (expand_expr_real): Restore previous
5641 curr_insn_source_location and curr_insn_block after
5642 expand_expr_real_1 call.
5643 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
5644 instead of expand_expr_real_1.
5646 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
5648 PR rtl-optimization/43413
5649 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
5652 2010-03-22 James E. Wilson <wilson@codesourcery.com>
5655 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
5656 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
5658 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
5660 * config/i386/i386.c (ix86_target_string): Add -mfma.
5661 Fix a typo in comment.
5663 2010-03-22 Mike Stump <mikestump@comcast.net>
5666 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
5667 Don't overly align based upon packed packed fields.
5669 2010-03-22 Jason Merrill <jason@redhat.com>
5671 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
5672 Use () rather than [], and move before the element type.
5674 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5676 * doc/configfiles.texi (Configuration Files): Removed
5677 fixinc/Makefile*, intl/Makefile.*.
5678 * doc/makefile.texi: Fixed markup. Abstract from version
5679 control system used.
5680 (Makefile): Removed obsolete gcc/java/parse.y example.
5681 * doc/sourcebuild.texi: Likewise.
5682 (Top Level): Added config, gnattools, libdecnumber, libgcc,
5683 libgomp, libssp. Removed fastjar.
5684 (Miscellaneous Docs): Clarify location.
5685 Added COPYING3, COPYING3.LIB.
5686 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
5688 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5691 * config/i386/i386.c (x86_function_profiler)
5692 [!NO_PROFILE_COUNTERS]: Fix typo.
5693 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
5696 2010-03-22 Janis Johnson <janis187@us.ibm.com>
5697 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5699 * doc/sourcebuild.texi (Test Directives): Split into six
5700 subsections, with most of the current text in new subsections
5701 Directives, Selectors, and Final Actions.
5702 (Directives): Split list of test directives into multiple
5704 (Selectors): Describe use and syntax of selectors.
5705 (Effective-Target Keywords): Describe all existing keywords.
5706 (Add Options): Describe features for dg-add-options.
5707 (Require Support): Describe variants of dg-require-support.
5708 (Final Actions): Describe commands to use in dg-final.
5710 2010-03-22 Michael Matz <matz@suse.de>
5713 * recog.c (validate_replace_rtx_group): Replace also in
5714 REG_EQUAL and REG_EQUIV notes.
5716 2010-03-22 Richard Guenther <rguenther@suse.de>
5718 PR tree-optimization/43390
5719 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
5720 sure vector extracts are type correct.
5722 2010-03-22 Richard Guenther <rguenther@suse.de>
5725 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
5726 x * sqrt (x) even when optimizing for size if the target
5727 has native support for sqrt.
5729 2010-03-22 Jakub Jelinek <jakub@redhat.com>
5731 * varasm.c (make_decl_rtl_for_debug): Also clear
5732 flag_mudflap for the duration of make_decl_rtl call.
5735 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
5736 locs from preserved VALUEs.
5738 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5741 * pa.md (movmemsi): Set align to one if zero.
5742 (movmemdi): Likewise.
5744 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
5747 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
5748 with their corresponding prologue pushes.
5750 2010-03-20 Andrew Pinski <pinskia@gmail.com>
5753 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
5754 at the begining or end.
5755 (spu_expand_epilogue): Likewise.
5757 2010-03-20 Richard Guenther <rguenther@suse.de>
5759 PR rtl-optimization/43438
5760 * combine.c (make_extraction): Properly zero-/sign-extend an
5761 extraction of the low part of a CONST_INT. Also handle
5764 2010-03-19 Mike Stump <mikestump@comcast.net>
5766 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
5767 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
5768 (override_options): Use SUBTARGET32_DEFAULT_CPU.
5770 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5773 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
5776 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
5778 PR rtl-optimization/42258
5779 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
5780 use that may match DEF.
5783 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
5784 the cost of loading the constant rather than assuming
5786 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
5787 outer code is AND, do the same tests as the andsi3 expander and
5788 return COSTS_N_INSNS (1) if and is cheap.
5790 * optabs.c (avoid_expensive_constant): Fix formatting.
5792 2010-03-19 Michael Matz <matz@suse.de>
5795 * attribs.c (decl_attributes): When rebuilding a function pointer
5796 type use the same qualifiers as the original pointer type.
5798 2010-03-19 Martin Jambor <mjambor@suse.cz>
5800 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
5801 and is_gimple_ip_invariant_address.
5803 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5806 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5808 * config/arm/arm.c (arm_override_options): Turn off
5809 flag_dwarf2_cfi_asm for AAPCS variants.
5811 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5814 * config/arm/arm.c (emit_multi_reg_push): Update comments.
5815 Use PRE_MODIFY instead of PRE_DEC.
5816 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
5817 (vfp_emit_fstmd): Likewise.
5819 2010-03-19 Michael Matz <matz@suse.de>
5822 * builtins.c (expand_builtin_interclass_mathfn,
5823 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
5826 2010-03-19 Richard Guenther <rguenther@suse.de>
5828 PR tree-optimization/43415
5829 * tree-ssa-pre.c (phi_translate): Split out worker to ...
5830 (phi_translate_1): ... this.
5831 (phi_translate): Move all caching here. Cache all NARY
5832 and REFERENCE translations.
5834 2010-03-19 David S. Miller <davem@davemloft.net>
5836 With help from Eric Botcazou.
5837 * config/sparc/sparc.c: Include dwarf2out.h.
5838 (emit_pic_helper): Delete.
5839 (pic_helper_symbol_name): Delete.
5840 (pic_helper_emitted_p): Delete.
5841 (pic_helper_needed): New.
5842 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
5843 (get_pc_thunk_name): New.
5844 (load_pic_register): Remove 'delay_pic_helper' arg. Use
5845 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
5846 Set pic_helper_needed to true. Don't call emit_pic_helper.
5847 (sparc_expand_prologue): Update load_pic_register call.
5848 (sparc_output_mi_thunk): Likewise.
5849 (sparc_file_end): Emit a hidden comdat symbol for the PIC
5850 thunk if possible. Output CFI information as needed.
5852 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5853 Jack Howarth <howarth@bromo.med.uc.edu>
5856 * config/i386/i386.h: Fix ABI on darwin x86-32.
5858 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5860 * tree.h: Declare make_decl_rtl_for_debug.
5861 * varasm.c (make_decl_rtl_for_debug): New.
5862 * dwarf2out.c (rtl_for_decl_location): Call it.
5863 * cfgexpand.c (expand_debug_expr): Call it.
5865 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5868 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5872 * var-tracking.c (vt_init_cfa_base): Do nothing if
5873 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5875 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5878 * var-tracking.c (canonicalize_vars_star): New.
5879 (dataflow_post_merge_adjust): Use it.
5881 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5884 * var-tracking.c (non_suitable_const): New function.
5885 (add_uses): For DEBUG_INSNs with constants, don't record any
5886 value, instead just the constant value itself.
5887 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5888 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5889 (emit_notes_in_bb): Likewise.
5890 (emit_note_insn_var_location): For onepart variables if
5891 cur_loc is a VOIDmode constant, use DECL_MODE.
5893 2010-03-18 Martin Jambor <mjambor@suse.cz>
5896 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5897 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5898 all non-clones. Moved call redirection...
5899 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5900 (cgraph_materialize_all_clones): Dispose of all
5901 combined_args_to_skip bitmaps.
5902 (verify_cgraph_node): Do not check for edges pointing to wrong
5903 nodes in inline clones.
5904 * tree-inline.c (copy_bb): Call
5905 cgraph_redirect_edge_call_stmt_to_callee.
5906 * ipa.c (cgraph_remove_unreachable_nodes): Call
5907 cgraph_node_remove_callees even when there are used clones.
5909 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5911 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5913 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5916 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5919 2010-03-18 Michael Matz <matz@suse.de>
5922 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5923 into sqrt(x) if we need to preserve signed zeros.
5925 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5926 Eric Botcazou <ebotcazou@adacore.com>
5928 PR rtl-optimization/43360
5929 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5930 note if we don't know its invariant status.
5932 2010-03-18 Michael Matz <matz@suse.de>
5934 PR tree-optimization/43402
5935 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5936 PHI chains of ssa names registered for update.
5938 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5941 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5942 non-offsettable and pre_modify update addressing.
5943 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5944 and "2" alternatives "#".
5945 (*movdd_softfloat32): Make all alternatives "#";
5946 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5947 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5948 (*movdf_softfloat32): Make all alternatives "#";
5949 (movdi): Use the new DIFD mode iterator to create a common splitter
5950 for movdi, movdf and movdd patterns.
5952 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5954 * common.opt (dumpdir): Remove redundant tab.
5956 2010-03-17 Martin Jambor <mjambor@suse.cz>
5958 PR tree-optimization/43347
5959 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5960 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5962 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5964 PR rtl-optimization/42216
5965 * regrename.c (create_new_chain): New function, broken out from...
5966 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5967 appending a use to an empty chain.
5968 (build_def_use): Remove previous changes that convert OP_INOUT to
5969 OP_OUT operands; instead detect the case where an OP_INOUT operand
5970 uses a previously untracked register and create an empty chain for it.
5972 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5974 * doc/extend.texi (Function Attributes): Rewrite unfinished
5975 sentence in ms_abi documentation.
5977 2010-03-17 Alan Modra <amodra@gmail.com>
5979 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5980 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5981 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5982 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5984 2010-03-16 Richard Henderson <rth@redhat.com>
5987 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5988 (lower_try_finally): Save and restore eh_seq around the expansion
5991 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5993 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5994 statements before splitting block.
5996 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5998 * doc/sourcebuild.texi (Testsuites): Fix markup.
5999 Use pathnames relative to gcc/testsuite.
6000 (Test Directives): Move description of how timeout is determined.
6001 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
6002 (C Tests): Correct gcc.misc-tests directory.
6003 Framework tests now live in gcc.test-framework.
6005 2010-03-16 Richard Guenther <rguenther@suse.de>
6008 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
6009 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
6011 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
6012 Alexandre Oliva <aoliva@redhat.com>
6014 PR tree-optimization/42917
6015 * lambda-code.c (remove_iv): Skip debug statements.
6016 (lambda_loopnest_to_gcc_loopnest): Likewise.
6017 (not_interesting_stmt): Debug statements are not interesting.
6019 2010-03-16 Jakub Jelinek <jakub@redhat.com>
6023 * cselib.c (cselib_preserve_constants,
6024 cfa_base_preserved_val): New static variables.
6025 (preserve_only_constants): New function.
6026 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
6027 clear its REG_VALUES. If cselib_preserve_constants, don't
6028 empty the whole hash table, but preserve there VALUEs with constants,
6029 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
6030 (cselib_preserve_cfa_base_value): New function.
6031 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
6032 (cselib_init): Change argument to int bitfield. Set
6033 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
6035 (cselib_finish): Clear cselib_preserve_constants and
6036 cfa_base_preserved_val.
6037 * cselib.h (enum cselib_record_what): New enum.
6038 (cselib_init): Change argument to int.
6039 (cselib_preserve_cfa_base_value): New prototype.
6040 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
6041 * dse.c (dse_step1): Likewise.
6042 * cfgcleanup.c (thread_jump): Likewise.
6043 * sched-deps.c (sched_analyze): Likewise.
6044 * gcse.c (local_cprop_pass): Likewise.
6045 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
6046 If FN is non-NULL, call the callback always and whenever it returns
6047 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
6048 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
6049 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
6050 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
6051 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
6052 * var-tracking.c: Include recog.h.
6053 (bb_stack_adjust_offset): Remove.
6054 (vt_stack_adjustments): Don't call it, instead just gather the
6055 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
6056 (adjust_stack_reference): Remove.
6057 (compute_cfa_pointer): New function.
6058 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
6059 (struct adjust_mem_data): New type.
6060 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
6062 (get_address_mode): New function.
6063 (replace_expr_with_values): Use it.
6064 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
6065 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
6066 (adjust_sets): Remove.
6067 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
6068 Use get_address_mode.
6069 (get_adjusted_src): Remove.
6070 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
6071 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
6072 (add_with_sets): Don't call adjust_sets.
6073 (fp_setter, vt_init_cfa_base): New functions.
6074 (vt_initialize): Change return type to bool. Move most of pool etc.
6075 initialization to the beginning of the function from end. Pass
6076 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
6077 If !frame_pointer_needed, call vt_stack_adjustment before mos
6078 vector is filled, call vt_init_cfa_base if argp/framep has been
6079 eliminated to sp. If frame_pointer_needed and argp/framep has
6080 been eliminated to hard frame pointer, set
6081 hard_frame_pointer_adjustment and call vt_init_cfa_base after
6082 encountering fp setter in the prologue. For MO_ADJUST, call
6083 log_op_type before pusing the op into mos vector, not afterwards.
6084 Call adjust_insn before cselib_process_insn/add_with_sets,
6085 call cancel_changes (0) afterwards.
6086 (variable_tracking_main_1): Adjust for vt_initialize calling
6087 vt_stack_adjustments and returning whether it succeeded or not.
6089 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
6091 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
6094 2010-03-15 Jakub Jelinek <jakub@redhat.com>
6096 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
6098 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
6099 drap_reg has not been set.
6101 2010-03-15 Michael Matz <matz@suse.de>
6104 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
6105 use it to expand block copies.
6106 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
6107 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
6108 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
6110 2010-03-15 Richard Guenther <rguenther@suse.de>
6112 PR tree-optimization/43367
6113 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
6116 2010-03-15 Richard Guenther <rguenther@suse.de>
6118 PR tree-optimization/43317
6119 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
6121 2010-03-15 Martin Jambor <mjambor@suse.cz>
6123 PR tree-optimization/43141
6124 * tree-sra.c (create_abstract_origin): New function.
6125 (modify_function): Call create_abstract_origin.
6127 2010-03-15 Chris Demetriou <cgd@google.com>
6129 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
6132 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6135 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
6136 call insert_out_of_ssa_copy for default definitions.
6138 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6140 * graphite-clast-to-gimple.c (my_long_long): Defined.
6141 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
6142 * graphite-sese-to-poly.c (my_long_long): Defined.
6143 (scop_ivs_can_be_represented): Use it.
6145 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6147 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
6148 graphite-max-bbs-per-function, and loop-block-tile-size.
6149 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
6151 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
6153 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6155 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
6156 forward declaration.
6157 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
6158 (add_upper_bounds_from_estimated_nit): New.
6159 (build_loop_iteration_domains): Use it.
6161 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6163 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
6165 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6168 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
6169 should be an INTEGER_CST. Also handle CASE_CONVERT.
6171 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6173 * graphite.c (graphite_initialize): To bound the number of bbs per
6174 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
6175 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
6176 * doc/invoke.texi: Document it.
6178 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6180 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
6181 * graphite-sese-to-poly.h (build_poly_scop): Same.
6183 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
6185 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
6186 the number of parameters in the scop. Use as an upper bound
6187 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
6188 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
6189 * doc/invoke.texi: Document it.
6191 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
6193 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
6194 * doc/c-tree.texi: Remove.
6195 * doc/generic.texi: Merge c-tree.texi here.
6196 * doc/gccint.texi (Trees): Remove menu entry.
6197 (c-tree.texi): Remove @include.
6198 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
6199 * doc/languages.texi (Reading RTL): Ditto.
6201 2010-03-12 Steve Ellcey <sje@cup.hp.com>
6204 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
6206 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
6209 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
6210 code added to work around reload clobbering CONST insns.
6212 2010-03-12 Jakub Jelinek <jakub@redhat.com>
6214 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
6215 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
6216 (cselib_preserve_only_values): Remove retain argument, don't
6217 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
6218 * cselib.h (cselib_preserve_only_values): Remove retain argument.
6219 * var-tracking.c (micro_operation): Move insn field before union.
6220 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
6221 (struct variable_tracking_info_def): Remove n_mos field, change
6222 mos into a vector of micro_operations.
6223 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
6224 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
6225 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
6226 changing into a vector.
6227 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
6228 come before all other uops generated by add_stores.
6229 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
6231 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
6232 a vector. Run just one pass over the bbs instead of separate counting
6233 and computation phase.
6234 (vt_finalize): Free VTI (bb)->mos vector instead of array.
6237 * tree-inline.c (remap_decls): Put old_var rather than origin_var
6238 into *nonlocalized_list vector.
6239 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
6240 even if origin is non-NULL.
6241 (gen_variable_die): Likewise.
6242 (process_scope_var): Don't change origin.
6243 (gen_decl_die): Likewise.
6244 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
6245 before adding new edges instead of after it, fix moving over
6248 2010-03-11 David S. Miller <davem@davemloft.net>
6250 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
6252 * configure: Rebuild.
6254 2010-03-11 Martin Jambor <mjambor@suse.cz>
6256 PR tree-optimization/43257
6257 * tree.c (assign_assembler_name_if_neeeded): New function.
6258 (free_lang_data_in_cgraph): Assembler name assignment moved to the
6260 * tree.h (assign_assembler_name_if_neeeded): Declare.
6261 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
6262 the function if needed.
6264 2010-03-11 Chris Demetriou <cgd@google.com>
6266 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
6267 include/stdint-gcc.h, and include/stdint.h world-readable.
6269 2010-03-11 Richard Guenther <rguenther@suse.de>
6271 PR tree-optimization/43255
6272 * tree-vrp.c (process_assert_insertions_for): Do not insert
6273 asserts for trivial conditions.
6275 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6277 PR tree-optimization/43280
6278 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
6279 generation. Move calculation of size out of the if branch.
6280 (find_bswap): Modify compare number generation.
6282 2010-03-11 Richard Guenther <rguenther@suse.de>
6285 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
6286 (input_gimple_stmt): Fixup handled component types during
6287 operand read. Also fix up decls in ADDR_EXPRs.
6289 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
6291 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
6292 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
6294 2010-03-10 Jan Hubicka <jh@suse.cz>
6297 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
6298 * varasm.c (get_variable_section): Don't do that here...
6299 (make_decl_rtl): ... and here.
6300 (do_assemble_alias): Produce decl RTL.
6301 (assemble_alias): Likewise.
6303 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6306 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
6307 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
6309 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
6310 (based_loc_descr): Only express drap or vdrap regno based expressions
6311 using DW_OP_fbreg when not optimizing.
6312 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
6313 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
6314 REG_CFA_SET_VDRAP note.
6316 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
6318 PR tree-optimization/43236
6319 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
6320 error in calculation of base address in reverse iteration case.
6321 (generate_builtin): Take number of latch executions if the statement
6324 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
6327 * tree-eh.c: Include pointer-set.h.
6328 (lower_eh_dispatch): Filter out duplicate case labels and
6329 remove the unneeded edge when the label is unused. Return
6330 true when some edges are removed.
6331 (execute_lower_eh_dispatch): When any lowering resulted in
6332 removing an edge, also delete unreachable blocks.
6334 2010-03-10 Jakub Jelinek <jakub@redhat.com>
6337 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
6338 UNSPEC_MACHOPIC_OFFSET.
6340 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
6343 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
6344 (m68k_delegitimize_address): New function.
6346 2010-03-09 Jakub Jelinek <jakub@redhat.com>
6349 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
6352 * var-tracking.c (adjust_sets): New function.
6353 (count_with_sets, add_with_sets): Use it.
6354 (get_adjusted_src): New inline function.
6355 (add_stores): Use it.
6358 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
6359 call cselib_dummy_expand_value_rtx_cb instead of
6360 cselib_expand_value_rtx_cb.
6363 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
6364 * config/i386/i386.c: Include debug.h and dwarf2out.h.
6365 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
6366 and .cfi_endproc around the pic thunks.
6367 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
6368 all queued unwind info register saves are saved before the call.
6369 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
6370 considered as sp-=4 for unwind info and the pop as sp+=4 which
6371 also clobbers dest, but doesn't actually restore it.
6374 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
6375 RTX_FRAME_RELATED_P.
6377 2010-03-09 Jie Zhang <jie@codesourcery.com>
6379 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
6380 whitespaces in output template.
6382 2010-03-09 Jie Zhang <jie@codesourcery.com>
6384 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
6387 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6389 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
6390 builtins.exp in a separate job.
6392 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6394 * graphite-sese-to-poly.c (add_param_constraints): Use
6395 lower_bound_in_type and upper_bound_in_type.
6397 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6399 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
6400 instead of unsigned_type_node.
6402 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6403 Reza Yazdani <reza.yazdani@amd.com>
6406 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
6407 on pointer type parameters.
6409 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6413 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
6414 handle conversions from pointer to integers.
6415 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
6416 induction variable, to be able to work with code generated by CLooG.
6417 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
6418 (build_poly_scop): Bail out if we cannot codegen a loop.
6420 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
6422 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
6423 code generation with gloog_error.
6425 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6427 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
6428 Call fold_convert on all the returned values.
6429 (expand_scalar_variables_expr): Pass to
6430 expand_scalar_variables_ssa_name the type of the resulting expression.
6432 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6434 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
6435 ppl_min_for_le_pointset.
6436 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
6437 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
6439 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6441 * graphite-dependences.c (map_into_dep_poly): Removed.
6442 (dependence_polyhedron_1): Use combine_context_id_scat.
6444 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6446 * graphite-poly.h (struct poly_scattering): Add layout documentation.
6447 (struct poly_bb): Same.
6448 (combine_context_id_scat): New.
6450 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6453 * sese.c (name_defined_in_loop_p): Return false for default
6456 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6458 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
6459 and clean up the logic.
6461 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
6463 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
6466 2010-03-08 Jakub Jelinek <jakub@redhat.com>
6468 * var-tracking.c (remove_cselib_value_chains): Define only for
6470 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
6471 delete_slot_part, emit_notes_for_differences_1): Don't call
6472 remove_cselib_value_chains here.
6473 (set_slot_part, emit_notes_for_differences_2): Don't call
6474 add_cselib_value_chains here.
6475 (preserved_values): New vector.
6476 (preserve_value): New function.
6477 (add_uses, add_stores, vt_add_function_parameters): Use it
6478 instead of cselib_preserve_value.
6479 (changed_values_stack): New vector.
6480 (check_changed_vars_0): New function.
6481 (check_changed_vars_1, check_changed_vars_2): Use it.
6482 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
6483 changed_values_stack VALUEs.
6484 (vt_emit_notes): For all preserved_values call
6485 add_cselib_value_chains. If ENABLE_CHECKING call
6486 remove_cselib_value_chains before verifying value_chains is empty.
6487 Initialize and free changed_values_stack.
6488 (vt_initialize): Initialize preserved_values.
6489 (vt_finalize): Free preserved_values.
6491 2010-03-08 Richard Guenther <rguenther@suse.de>
6493 PR tree-optimization/43269
6494 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
6497 2010-03-08 Martin Jambor <mjambor@suse.cz>
6499 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
6500 (ipa_is_param_called): Removed.
6501 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
6502 (ipa_print_node_params): Do not print the called flag.
6503 (ipa_write_node_info): Do not stream the called flag.
6504 (ipa_read_node_info): Likewise.
6506 2010-03-07 Jakub Jelinek <jakub@redhat.com>
6509 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
6510 * cselib.c (struct expand_value_data): Add dummy field.
6511 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
6513 (cselib_dummy_expand_value_rtx_cb): New function.
6514 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
6516 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
6517 * var-tracking.c: Include pointer-set.h.
6518 (variable): Change n_var_parts to char from int. Add
6519 cur_loc_changed and in_changed_variables fields.
6520 (variable_canonicalize): Remove.
6521 (shared_var_p): New inline function.
6522 (unshare_variable): Maintain cur_loc_changed and
6523 in_changed_variables fields. If var was in changed_variables,
6524 replace it there with new_var. Just copy cur_loc instead of
6525 resetting it to something else.
6526 (variable_union): Don't recompute cur_loc. Use shared_var_p.
6527 (dataflow_set_union): Don't call variable_canonicalize.
6528 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
6529 of their DEBUG_EXPR_TREE_DECLs.
6530 (canonicalize_loc_order_check): Verify that cur_loc is NULL
6531 and in_changed_variables and cur_loc_changed is false.
6532 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
6533 and cur_loc_changed. Don't update cur_loc here.
6534 (variable_merge_over_src): Don't call variable_canonicalize.
6535 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
6536 removing loc that is equal to cur_loc, clear cur_loc,
6537 set cur_loc_changed and ensure variable_was_changed is called.
6538 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
6539 compare pointers in cur_loc check, if it is equal to loc,
6540 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
6541 (variable_different_p): Remove compare_current_location argument,
6542 don't compare cur_loc.
6543 (dataflow_set_different_1): Adjust variable_different_p caller.
6544 (variable_was_changed): If dv had some var in changed_variables
6545 already, reset in_changed_variables flag for it and propagate
6546 cur_loc_changed over to the new variable. On empty var
6547 always set cur_loc_changed. Set in_changed_variables on whatever
6548 var is added to changed_variables.
6549 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
6550 Use shared_var_p. When removing loc that is equal to cur_loc,
6551 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
6552 end, don't set it to something else, just call variable_was_changed.
6553 (delete_slot_part): Use shared_var_p. When cur_loc equals to
6554 loc being removed, clear cur_loc and set cur_loc_changed.
6555 Set cur_loc_changed if all locations have been removed.
6556 (struct expand_loc_callback_data): New type.
6557 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
6558 allocated. Always create SUBREGs if simplify_subreg failed.
6559 Prefer to use cur_loc, when that fails and still in
6560 changed_variables (and seen first time) recompute it. Set
6561 cur_loc_changed of variables which had to change cur_loc and
6562 compute elcd->cur_loc_changed if any of the subexpressions used
6563 had to change cur_loc.
6564 (vt_expand_loc): Adjust to pass arguments in
6565 expand_loc_callback_data structure.
6566 (vt_expand_loc_dummy): New function.
6567 (emitted_notes): New variable.
6568 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
6569 that weren't used for any other decl in current
6570 emit_notes_for_changes call call vt_expand_loc_dummy to update
6571 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
6572 first loc_chain location if NULL before. Always use just
6573 cur_loc instead of first loc_chain location. When cur_loc_changed
6574 is false, when not --enable-checking=rtl just don't emit any note.
6575 When rtl checking, compute the note and assert it is the same
6576 as previous note. Clear cur_loc_changed and in_changed_variables
6577 at the end before removing from changed_variables.
6578 (check_changed_vars_3): New function.
6579 (emit_notes_for_changes): Traverse changed_vars to call
6580 check_changed_vars_3 on each changed var.
6581 (emit_notes_for_differences_1): Clear cur_loc_changed and
6582 in_changed_variables. Recompute cur_loc of new_var.
6583 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
6584 (vt_emit_notes): Initialize and destroy emitted_notes.
6586 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
6588 PR rtl-optimization/42220
6589 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
6590 Use verify_reg_tracked to determine if we should use OP_OUT rather
6592 (build_def_use): If we see an in-out operand for a register that we
6593 know nothing about, treat is an output if possible, fail the block if
6596 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6599 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
6602 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6605 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
6606 uses of relevant DEFs that are dead outside the loop too.
6608 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
6610 * var-tracking.c (dataflow_set_merge): Swap src and src2.
6612 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6614 * var-tracking.c (values_to_unmark): New variable.
6615 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6616 values_to_unmark vector. Moved body to...
6617 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6618 instead queue it into values_to_unmark vector.
6619 (vt_find_locations): Free values_to_unmark vector.
6621 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
6623 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
6624 (site.exp): Export them when plugins are enabled.
6626 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
6629 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
6631 (chrec_fold_multiply): Same.
6633 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
6636 * c-decl.c (build_compound_literal): Return early if init is
6639 2010-03-04 Martin Jambor <mjambor@suse.cz>
6641 PR tree-optimization/43164
6642 PR tree-optimization/43191
6643 * tree-sra.c (type_consists_of_records_p): Reject records with
6644 zero-size bit-fields at the end.
6646 2010-03-04 Mike Stump <mikestump@comcast.net>
6648 * Makefile.in (TAGS): Remove *.y.
6650 2010-03-04 Richard Guenther <rguenther@suse.de>
6652 PR tree-optimization/40761
6653 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
6655 (my_rev_post_order_compute): New function.
6656 (init_pre): Call it.
6658 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
6661 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
6662 decrease the cost of an IV candidate when the cost is infinite.
6664 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6666 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
6667 Use '3DNow!' for the extension of that name, ensure normal space
6669 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
6671 2010-03-03 Jeff Law <law@redhat.com>
6673 * PR middle-end/32693
6674 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
6675 than gen_rtx_SUBREG.
6676 (extract_bit_field_1): Likewise.
6678 2010-03-03 Janis Johnson <janis187@us.ibm.com>
6680 * doc/sourcebuild.texi (Test directives): Document that arguments
6681 include-opts and exclude-opts are now optional for dg-skip-if,
6682 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
6684 2010-03-03 Jason Merrill <jason@redhat.com>
6687 * cgraph.h (varpool_node): Add extra_name field.
6688 * varpool.c (varpool_extra_name_alias): New.
6689 (varpool_assemble_decl): Emit extra name aliases.
6690 (varpool_mark_needed_node): Look past an extra name alias.
6691 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
6692 * lto-streamer-in.c (lto_input_tree): Read it.
6693 * lto-streamer-out.c (output_unreferenced_globals): Write it.
6695 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
6697 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
6698 (sparc*-*-solaris2*): ...this.
6700 2010-03-03 Jakub Jelinek <jakub@redhat.com>
6703 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
6704 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
6705 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
6706 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
6709 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
6710 fallthrough to default handling, just with want_address 0 instead of 2.
6711 For single element lists, add_AT_loc directly, otherwise create an
6712 artificial variable DIE and stick location list to it.
6715 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
6716 (VAL_EXPR_HAS_REVERSE): Define.
6717 (reverse_op): New function.
6718 (add_stores): For reversible operations add an extra MO_VAL_USE.
6720 2010-03-02 Jason Merrill <jason@redhat.com>
6722 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
6724 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
6726 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
6727 (sparc64-*-linux*): Likewise.
6728 (sparc64-*-solaris2*): Include assembler files before linker ones.
6729 (sparc-*-solaris2*): Simplify and reorder to match previous case.
6730 * config/sparc/gas.h: Delete.
6731 * config/sparc/sol2-64.h: Add copyright notice.
6732 * config/sparc/sol2-gas-bi.h: Likewise.
6733 * config/sparc/sol2-gld.h: Likewise.
6734 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
6735 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
6736 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
6737 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
6738 (sparc_elf_asm_named_section): Rename into...
6739 (sparc_solaris_elf_asm_named_section): ...this. Always define.
6741 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
6743 * config/alpha/alpha.c (override_options): Fix -mtune error message.
6745 2010-03-02 Jeff Law <law@redhat.com>
6748 * reload1.c (rtx_p, substitute_stack): Declare.
6749 (substitute): Record addresses of changed rtxs.
6750 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
6751 Restore the original rtx when complete.
6752 (reload): Free subsitute_stack when complete.
6754 2010-03-02 Janis Johnson <janis187@us.ibm.com>
6756 * doc/gccint.texi (menu): Add Testsuites as a chapter.
6757 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
6759 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
6760 LTO Testing, gcov Testing, profopt Testing, compat Testing,
6761 Torture Tests): Change from subsection to section.
6763 2010-03-02 Jakub Jelinek <jakub@redhat.com>
6764 Steven Bosscher <steven@gcc.gnu.org>
6766 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
6769 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
6772 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
6773 the assignment from the new induction variable to the assignment
6774 of the value from the original loop PHI function.
6776 2010-03-01 Janis Johnson <janis187@us.ibm.com>
6777 Daniel Jacobowitz <dan@codesourcery.com>
6779 * doc/sourcebuild.texi (Test directives): Clarify options to
6782 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6784 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
6785 Disable cfi directives unless GCC and gas agree on using read-only
6786 .eh_frame sections for 64-bit.
6787 * configure: Regenerate.
6789 2010-03-01 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/43220
6792 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
6793 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
6795 2010-03-01 Richard Guenther <rguenther@suse.de>
6796 Martin Jambor <mjambor@suse.cz>
6799 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
6800 gimplified parameters.
6802 2010-03-01 Christian Bruel <christian.bruel@st.com>
6804 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
6806 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
6808 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
6810 2010-03-01 Richard Guenther <rguenther@suse.de>
6813 * expr.c (expand_assignment): Use the alias-oracle to tell
6814 if the rhs aliases the result decl.
6816 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6819 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
6820 to sol_gt_pch_get_address.
6821 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
6822 64-bit, SPARC and x86.
6823 (sol_gt_pch_get_address): New function.
6825 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
6827 * toplev.h (inform_n, error_n): Declare.
6828 * diagnostic.c (inform_n, error_n): New function.
6830 2010-03-01 Jakub Jelinek <jakub@redhat.com>
6832 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
6833 has no rtl yet when processing local_decls, queue it and recheck
6834 if deferred stack allocation hasn't assigned it rtl.
6836 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
6838 * config/sh/sh.c (unspec_bbr_uid): New.
6839 (gen_block_redirect): Use it instead of INSN_UID.
6840 (gen_far_branch): Likewise.
6842 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
6844 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
6845 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
6847 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6849 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
6850 (Warning Options): -Wno-conversion-null is valid for
6851 Objective-C++ as well.
6852 * doc/tm.texi (Named Address Spaces): Likewise.
6853 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6854 * doc/tree-ssa.texi (Tree SSA): Likewise.
6856 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6859 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6860 by default. Don't set the default arch for
6861 i[34567]86-*-darwin*|x86_64-*-darwin*.
6863 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6866 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6867 default. Set the default 32bit/64bit archs with $with_arch
6868 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6870 2010-02-27 Richard Guenther <rguenther@suse.de>
6872 PR tree-optimization/43186
6873 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6874 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6875 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6876 unroller iterations.
6878 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6880 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6881 required and i[34567]86-*-* targets don't support 64bit ISA.
6883 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6886 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6889 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6891 * config.gcc: Set the default arch at least to Prescott for
6892 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6893 if SSE math is enabled.
6895 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6897 * diagnostic.c (diagnostic_initialize): Update.
6898 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6900 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6901 (diagnostic_inhibit_notes): New.
6902 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6904 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6907 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6908 * doc/standards.texi: Likewise.
6909 * doc/extend.texi: Likewise.
6910 * doc/trouble.texi: Likewise.
6911 * doc/cppopts.texi: Likewise.
6912 * doc/install.texi: Likewise.
6913 * c.opt (std=c90,std=gnu90): New options.
6914 * c-opts.c (c_common_handle_option): Handle them.
6916 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6919 * c-decl.c (undeclared_variable): Use an informative note.
6921 2010-02-26 Richard Guenther <rguenther@suse.de>
6923 PR tree-optimization/43186
6924 * gimple.h (gimple_fold): Remove.
6925 * gimple.c (gimple_fold): Remove. Inline into single user ...
6926 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6927 Try harder for conditions.
6929 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6932 * function.c (used_types_insert): Don't skip through named pointer
6933 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6934 and it is different from the main variant's type.
6936 2010-02-26 Nick Clifton <nickc@redhat.com>
6938 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6940 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6942 * config.gcc: Support --with-fpmath=sse for x86.
6944 * config/i386/ssemath.h: New.
6946 * doc/install.texi (--with-fpmath=sse): Documented.
6948 2010-02-26 Richard Guenther <rguenther@suse.de>
6950 PR tree-optimization/43188
6951 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6952 vector types of over-aligned element type.
6954 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6957 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6958 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6960 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6962 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6964 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6966 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6967 * var-tracking.c: Include diagnostic.h.
6968 (debug_dv): New function.
6969 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6972 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6973 (add_value_chain, add_value_chains, remove_value_chain,
6974 remove_value_chains): Handle DEBUG_EXPRs.
6975 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6978 * regcprop.c (struct queued_debug_insn_change): New type.
6979 (struct value_data_entry): Add debug_insn_changes field.
6980 (struct value_data): Add n_debug_insn_changes field.
6981 (debug_insn_changes_pool): New variable.
6982 (free_debug_insn_changes, apply_debug_insn_changes,
6983 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6984 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6985 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6987 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6989 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6990 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6991 changes, call cprop_find_used_regs via note_stores.
6992 (copyprop_hardreg_forward): When copying vd from predecessor
6993 which has any queued DEBUG_INSN changes, make sure the pointers are
6994 cleared. At the end call df_analyze and then if there are any
6995 DEBUG_INSN changes queued at the end of some basic block for still
6996 live registers, apply them.
6997 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6999 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
7001 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
7004 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
7006 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
7007 targets. Set the default with_cpu/with_arch from arch/cpu.
7008 Allow x86-64 and native for with_cpu/with_arch.
7010 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
7012 * ebitmap.c: Change calls to verify_popcount with calls to
7013 sbitmap_verify_popcount.
7014 (ebitmap_clear_bit): Fixed map->cacheindex test and
7015 map>cache update when bit clearing results in an empty
7018 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
7021 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
7022 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
7023 and support both V2DF and V2DI modes.
7024 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
7025 support both V2DF and V2DI modes.
7026 (general): Delete trailing whitespace from a few patterns.
7028 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7029 V2DF/V2DI interleave high/low builtins.
7031 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
7034 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
7035 interleave high/low functions.
7037 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
7039 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
7040 #pragma extern_prefix.
7042 2010-02-25 Jakub Jelinek <jakub@redhat.com>
7045 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
7046 BLKmode, assert op0 is a MEM and just adjust its mode.
7049 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
7050 if bitpos isn't multiple of mode's bitsize.
7052 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7054 * c.opt (-ftemplate-depth=): New.
7055 (-ftemplate-depth-): Deprecate.
7056 * optc-gen.awk: Handle -ftemplate-depth=.
7057 * opth-gen.awk: Likewise.
7058 * c-opts.c (c_common_handle_option): Likewise.
7059 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
7061 2010-02-24 Jason Merrill <jason@redhat.com>
7063 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
7065 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7067 * cfg.c (alloc_aux_for_block): Remove inline.
7068 (alloc_aux_for_edge): Likewise.
7070 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7072 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
7074 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7076 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
7077 * config/i386/sol2-gas.h: New file.
7078 * config.gcc (i[34567]86-*-solaris2*): Use it.
7080 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
7083 * c-typeck.c (ep_convert_and_check): New.
7084 (build_conditional_expr): Use it.
7085 (build_binary_op): Likewise.
7087 2010-02-24 Jakub Jelinek <jakub@redhat.com>
7089 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
7092 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
7093 bounds even for -O+.
7094 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
7095 expr needs to have DECL_NAME set.
7097 2010-02-24 Nick Clifton <nickc@redhat.com>
7099 * config/mep/mep.c: Include gimple.h.
7100 (mep_function_uses_sp): Delete unused function.
7101 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
7102 parameters. Use unsigned integers to count args. Return a
7103 NULL_RTX instead of an error_mark_node. Toidy up formatting.
7105 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7108 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
7109 greater or equal to nelt instead of 2 * nelt.
7110 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
7113 2010-02-23 Jason Merrill <jason@redhat.com>
7116 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
7117 in cfun->local_decls even if they have register types.
7120 * stor-layout.c (place_field): Don't warn about unnecessary
7121 DECL_PACKED if the type is packed.
7123 2010-02-23 Jakub Jelinek <jakub@redhat.com>
7126 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
7127 GOTOFF relocs, even when the base reg isn't pic pointer.
7129 2010-02-23 Michael Matz <matz@suse.de>
7132 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
7133 (expand_gimple_basic_block): Generate and use debug temps if there
7134 are debug uses left after the last real use of TERed ssa names.
7135 Unlink debug immediate uses when they are expanded.
7137 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
7140 * config/i386/i386.c (override_options): Reorganise to provide
7141 better error messages.
7143 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7146 * graphite-scop-detection.c (create_single_exit_edge): Move
7147 the call to find_single_exit_edge to....
7148 (create_sese_edges): ...here. Don't handle multiple edges
7149 exiting the function.
7150 (build_graphite_scops): Don't handle multiple edges
7151 exiting the function.
7153 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7156 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
7157 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
7159 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
7162 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
7164 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
7167 * c-typeck.c (convert_arguments): Print declaration location.
7168 * c-common.c (validate_nargs): Rename as
7169 builtin_function_validate_nargs.
7170 (check_builtin_function_arguments): Update.
7172 2010-02-22 Richard Guenther <rguenther@suse.de>
7175 * tree-inline.c (declare_return_variable): Use the type of
7176 the call stmt lhs if available.
7178 2010-02-22 Duncan Sands <baldrick@free.fr>
7180 * passes.c (register_pass): Always consider all pass lists when
7181 ref_pass_instance_number is zero.
7183 2010-02-22 Richard Guenther <rguenther@suse.de>
7185 PR tree-optimization/42749
7186 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
7187 parameter. Do arithmetic in the original type.
7188 (update_accumulator_with_ops): Likewise.
7189 (adjust_accumulator_values): Adjust.
7191 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7193 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
7194 (QI to BLKmode splitter): New splitter.
7196 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
7198 * config/i386/i386.c (initial_ix86_tune_features): Turn on
7199 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
7201 2010-02-22 Richard Guenther <rguenther@suse.de>
7203 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
7205 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
7207 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
7208 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
7209 ($(T)crti.o, $(T)crtn.o): Remove rules.
7211 2010-02-21 Tobias Burnus <burnus@net-b.de>
7214 * doc/invoke.texi (-fassociative-math): Document that this
7215 option is automatically enabled for Fortran.
7217 2010-02-20 David S. Miller <davem@davemloft.net>
7219 * configure.ac: Test if linker and assembler properly support
7220 GOTDATA_OP relocations.
7221 * configure: Rebuild.
7222 * config.in: Likewise.
7223 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
7224 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
7225 (movsi_high_pic): Likewise.
7226 (movdi_lo_sum_pic): Likewise.
7227 (movdi_high_pic): Likewise.
7228 (movsi_pic_gotdata_op): New pattern.
7229 (movdi_pic_gotdata_op): Likewise.
7230 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
7231 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
7233 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
7236 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
7237 attribute to ssemul.
7238 (xop_mulv2div2di3_high): Ditto.
7240 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7243 * c.opt (Wconversion-null): New option.
7244 * doc/invoke.texi (Wconversion-null): Document.
7246 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
7248 * common.opt (Wlarger-than-): Add Undocumented.
7250 2010-02-19 Mike Stump <mikestump@comcast.net>
7252 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
7254 2010-02-19 Jason Merrill <jason@redhat.com>
7257 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
7258 * configure: Likewise.
7260 2010-02-20 Alan Modra <amodra@gmail.com>
7263 * cgraph.h (cgraph_make_decl_local): Declare.
7264 * cgraph.c (cgraph_make_decl_local): New function.
7265 (cgraph_make_node_local): Use it.
7266 * cgraphunit.c (cgraph_function_versioning): Likewise.
7267 * ipa.c (function_and_variable_visibility): Likewise.
7269 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7272 * except.c (sjlj_emit_function_enter): Don't call
7273 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
7275 * rtl.h (add_reg_br_prob_note): Remove prototype.
7277 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
7280 * c-common.c (conversion_warning): Remove widening conversions
7281 before checking the conversion of integers to reals.
7283 2010-02-19 Mike Stump <mikestump@comcast.net>
7286 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
7289 * cgraphunit.c (process_function_and_variable_attributes): Check
7290 DECL_PRESERVE_P instead of looking up attribute "used".
7291 * ipa-pure-const.c (check_decl): Likewise.
7292 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
7293 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
7294 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
7295 instead of attribute "used".
7296 * config/sol2-c.c (solaris_pragma_init): Likewise.
7297 (solaris_pragma_fini): Likewise.
7299 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7301 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
7302 Use XCNEW instead of xcalloc.
7303 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
7304 XNEW instead of xmalloc.
7305 (get_fields): Use XNEWVEC instead of xmalloc.
7308 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
7309 populate vars array.
7310 (create_new_general_access): For debug stmts just reset value.
7311 (get_stmt_accesses): For accesses within debug stmts just record them
7312 using add_access_to_acc_sites instead of preventing the peeling or
7313 counting them as accesses.
7316 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
7318 2010-02-19 Richard Guenther <rguenther@suse.de>
7320 PR tree-optimization/42916
7321 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
7324 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
7326 * configure.ac: Replace all uses of changequote in macro arguments
7327 with proper quoting.
7329 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7332 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
7334 2010-02-19 Richard Guenther <rguenther@suse.de>
7336 PR tree-optimization/42944
7337 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
7338 test for aliasing with errno.
7340 2010-02-19 Jakub Jelinek <jakub@redhat.com>
7343 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
7344 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
7345 * dojump.c: Include output.h.
7346 (inv): New inline function.
7347 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
7348 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
7349 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
7350 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
7351 argument, pass it down to other calls.
7352 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
7353 add REG_BR_PROB note to the conditional jump.
7354 * cfgexpand.c (add_reg_br_prob_note): Removed.
7355 (expand_gimple_cond): Don't call it, add the probability
7356 as last argument to jumpif_1/jumpifnot_1.
7357 * Makefile.in (dojump.o): Depend on output.h.
7358 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
7360 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
7361 * stmt.c (do_jump_if_equal): Likewise.
7362 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
7363 * loop-unswitch.c (compare_and_jump_seq): Likewise.
7364 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
7366 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
7367 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
7368 jumpifnot_1 callers.
7369 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
7371 (store_expr): Adjust jumpifnot caller.
7372 (store_constructor): Adjust jumpif caller.
7375 * gimplify.c (gimple_boolify): For __builtin_expect call
7376 gimple_boolify also on its first argument.
7378 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
7380 * configure.ac (gnu-unique-object): Wrap regexps using [] in
7382 (__stack_chk_fail): Ditto. Remove quadrigraphs.
7383 * configure: Regenerated.
7385 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
7387 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
7388 lang_hooks.types_compatible_p instead of comptypes.
7390 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
7392 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
7393 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
7394 if __prefer_thumb__ is defined.
7396 2010-02-18 Martin Jambor <mjambor@suse.cz>
7398 PR tree-optimization/43066
7399 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
7400 array with zero-sized element type.
7402 2010-02-18 Jakub Jelinek <jakub@redhat.com>
7404 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
7405 rtx, allocate struct var_loc_node here and return it to the
7406 caller, and only if it is actually needed.
7407 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
7408 move it earlier and return immediately if it returns NULL.
7410 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
7412 * config/sparc/gas.h: New file. Restore
7413 TARGET_ASM_NAMED_SECTION to its ELF default.
7414 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
7416 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7417 Likewise. Add ATTRIBUTE_UNUSED to prototype.
7418 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
7419 after sparc/sysv4.h.
7421 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
7423 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
7425 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
7427 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
7428 patterns from predicated pattern.
7430 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
7433 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
7434 for insn mnemonic suffix.
7436 2010-02-17 Richard Guenther <rguenther@suse.de>
7438 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
7441 2010-02-17 Jakub Jelinek <jakub@redhat.com>
7444 * caller-save.c (save_call_clobbered_regs): If BB ends with
7445 a DEBUG_INSN, move any notes in between last real insn and the last
7446 DEBUG_INSN after the last DEBUG_INSN.
7448 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
7450 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
7451 Fix return type. Fix argument type. Explain meaning of return value.
7453 2010-02-16 Richard Guenther <rguenther@suse.de>
7455 PR tree-optimization/41043
7456 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
7457 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
7459 (vrp_visit_phi_node): ... but only for loop PHI nodes.
7461 2010-02-16 Ira Rosen <irar@il.ibm.com>
7463 PR tree-optimization/43074
7464 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
7465 * tree-vect-loop.c (vect_analyze_loop_operations): Add
7466 vectorizable cycles in hybrid SLP check.
7467 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
7469 2010-02-16 Richard Guenther <rguenther@suse.de>
7471 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
7472 (true_dependence): If memrefs_conflict_p computes must-alias
7473 trust it. Move TBAA check after offset-based disambiguation.
7474 (canon_true_dependence): Likewise.
7476 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
7478 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
7479 * doc/invoke.texi: Document it.
7480 * var-tracking.c: Include toplev.h and params.h.
7481 (vt_find_locations): Return bool indicating success. Compute
7482 hash sizes unconditionally. Check new parameter, report.
7483 (variable_tracking_main_1): Check vt_find_locations results and
7484 retry. Renamed from...
7485 (variable_tracking_main): ... this. New wrapper to preserve
7486 flag_var_tracking_assignments.
7487 * Makefile.in (var-tracking.o): Adjust dependencies.
7489 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
7490 Jakub Jelinek <jakub@redhat.com>
7493 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
7494 if weak_import attribute is present.
7495 * config/darwin.c (machopic_select_section): Likewise.
7497 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
7499 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
7500 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
7501 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
7502 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
7504 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
7507 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
7510 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
7511 Rewrite text to refer to the names.
7513 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
7515 * config/i386/i386-builtin-types.def
7516 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
7517 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
7518 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
7519 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
7520 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
7521 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
7522 IX86_BUILTIN_VPERMIL2PS256.
7523 (MULTI_ARG_4_DF2_DI_I): Defined.
7524 (MULTI_ARG_4_DF2_DI_I1): Defined.
7525 (MULTI_ARG_4_SF2_SI_I): Defined.
7526 (MULTI_ARG_4_SF2_SI_I1): Defined.
7527 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
7528 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
7529 __builtin_ia32_vpermil2ps256.
7530 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7531 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7532 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
7533 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
7534 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
7535 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
7536 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
7537 CODE_FOR_xop_vpermil2v8sf3.
7538 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
7539 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
7540 * config/i386/xopintrin.h (_mm_permute2_pd): New.
7541 (_mm256_permute2_pd): New.
7542 (_mm_permute2_ps): New.
7543 (_mm256_permute2_ps): New.
7545 2010-02-15 Nick Clifton <nickc@redhat.com>
7547 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
7548 boolean parameters. Use emit_jump_insn when emitting a pop
7549 instruction containing a return insn.
7550 (push): Use 'true' rather than '1' as second parameter to F.
7551 (h8300_expand_prologue): Likewise.
7552 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
7553 (h8300_expand_epilogue): Likewise.
7555 2010-02-15 Richard Guenther <rguenther@suse.de>
7558 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
7561 2010-02-15 Nick Clifton <nickc@redhat.com>
7563 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
7566 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
7568 * intl.c (fake_ngettext): New function.
7569 * intl.h (fake_ngettext): Declare.
7570 (ngettext): Define macro.
7571 * collect2.c (notice_translated): New function.
7572 (main): Use notice_translated and ngettext.
7573 * collect2.h (notice_translated): Declare.
7575 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
7577 * reorg.c (delete_computation): Comment fixes.
7578 * caller-save.c (setup_save_areas): Idem.
7579 * sel-sched-dump.c (dump_lv_set): Idem.
7582 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
7584 * config/s390/s390.c (s390_sched_init): New function.
7585 (TARGET_SCHED_INIT): Target hook defined.
7587 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
7588 Jack Howarth <howarth@bromo.med.uc.edu>
7589 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
7592 Partial revert of unintended change in fix for PR41605.
7593 * config/darwin.h: Fix typo.
7594 * config/darwin9.h: Same.
7596 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7598 * c-pch.c (pch_init): Clear v.
7600 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7603 * graphite-scop-detection.c (graphite_can_represent_scev): Call
7604 graphite_can_represent_init for MULT_EXPR.
7606 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7610 * graphite-sese-to-poly.c (remove_phi): New.
7611 (translate_scalar_reduction_to_array): Call remove_phi.
7613 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7616 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
7617 * graphite-clast-to-gimple.h (gloog): Update declaration.
7618 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
7619 * graphite-poly.h (struct poly_bb): Add missing comments.
7620 (struct scop): Add poly_scop_p field.
7622 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
7623 * graphite.c (graphite_transform_loops): Build the polyhedral
7624 representation for each scop before code generation.
7625 * sese.c (rename_variables_in_operand): Removed.
7626 (rename_variables_in_expr): Return the renamed expression.
7627 (rename_sese_parameters): New.
7628 * sese.h (rename_sese_parameters): Declared.
7630 2010-02-11 Richard Guenther <rguenther@suse.de>
7632 PR tree-optimization/42998
7633 * tree-ssa-pre.c (create_expression_by_pieces): Treat
7634 POINTER_PLUS_EXPR properly.
7636 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
7637 Changpeng Fang <changpeng.fang@amd.com>
7640 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
7641 the cost of an IV candidate when the IV is used in a test against zero.
7643 * gcc.dg/tree-ssa/ivopts-3.c: New.
7645 2010-02-11 Richard Guenther <rguenther@suse.de>
7648 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
7649 pointer-vs-decl case by swapping refs. Handle some cases
7650 of pointer-vs-decl disambiguations more conservatively.
7651 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
7652 to false after expanding.
7654 2010-02-11 Richard Guenther <rguenther@suse.de>
7657 * gcc.c (process_command): Handle LTO file@offset case more
7660 2010-02-11 Jakub Jelinek <jakub@redhat.com>
7662 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
7663 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
7665 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
7667 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
7668 if MEM's mode size isn't DWARF2_ADDR_SIZE.
7669 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
7670 Optimize eq/ne comparisons when both arguments are known to be
7672 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
7673 Don't mask operands unnecessarily if they are known to be already
7676 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
7678 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
7681 2010-02-10 Richard Guenther <rguenther@suse.de>
7683 PR tree-optimization/43017
7684 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
7685 for wrapping signed arithmetic.
7687 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7690 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
7691 if no debug info should be emitted for it.
7693 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
7695 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
7696 note when flag_exceptions is set.
7698 2010-02-10 Duncan Sands <baldrick@free.fr>
7700 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
7702 2010-02-10 Richard Guenther <rguenther@suse.de>
7705 * tree.c (get_unwidened): Handle constants.
7706 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
7708 2010-02-10 Martin Jambor <mjambor@suse.cz>
7711 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
7712 check for variable argument counts independently.
7714 2010-02-10 Christian Bruel <christian.bruel@st.com>
7717 * config/sh/sh.c (find_barrier): Increase length for non delayed
7718 conditional branches.
7720 2010-02-10 Christian Bruel <christian.bruel@st.com>
7722 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
7724 2010-02-10 Jakub Jelinek <jakub@redhat.com>
7726 * builtins.c (set_builtin_user_assembler_name): Also handle
7727 ffs if int is smaller than word.
7729 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
7732 * ira-conflicts.c (get_dup): Remove.
7733 (process_reg_shuffles): Add new parameter. Use it as an
7734 additional guard for copy generation.
7735 (add_insn_allocno_copies): Rewrite.
7737 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
7739 * common.opt (fsched2-use-traces): Preserved for backward
7741 * doc/invoke.texi: Remove the documentation about option
7742 -fsched2-use-traces.
7743 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
7744 flag_sched2_use_traces.
7745 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
7746 the backward compatibility flag section.
7748 2010-02-09 Richard Guenther <rguenther@suse.de>
7750 PR tree-optimization/43008
7751 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
7752 make HEAP variables initialized from global memory if they
7753 are not known builtin functions.
7754 (find_func_aliases): Adjust.
7756 2010-02-09 Richard Guenther <rguenther@suse.de>
7758 PR tree-optimization/43000
7759 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
7760 arithmetic manually.
7762 2010-02-08 Jakub Jelinek <jakub@redhat.com>
7764 PR tree-optimization/42931
7765 * tree-loop-linear.c (try_interchange_loops): Don't call
7766 double_int_mul if estimated_loop_iterations failed.
7768 2010-02-08 Martin Jambor <mjambor@suse.cz>
7771 * tree-sra.c (build_accesses_from_assign): Do not mark in
7772 should_scalarize_away_bitmap if stmt has volatile ops.
7773 (sra_modify_assign): Do not process assigns piecemeal if if stmt
7776 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
7778 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
7780 2010-02-07 Adam Nemet <adambnmet@gmail.com>
7782 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
7785 2010-02-07 Andrew Pinski <pinskia@gmail.com>
7788 * df-core.c (df_finish_pass): Change type of saved_flags to int.
7790 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7793 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
7794 to unknown_dependence.
7795 (graphite_legal_transform_dr): Handle the unknown_dependence.
7796 (graphite_carried_dependence_level_k): Same.
7798 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
7800 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
7802 2010-02-07 Richard Guenther <rguenther@suse.de>
7805 * expr.c (get_inner_reference): Always initialize *pbitsize.
7807 2010-02-07 Richard Guenther <rguenther@suse.de>
7810 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
7811 new ARRAY_REFs on variable size element or minimal index arrays.
7813 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
7814 gimple_fold_indirect_ref.
7816 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
7819 * arm.c (arm_override_options): Just return if the user has specified
7820 an invalid fpu name.
7822 2010-02-03 Jason Merrill <jason@redhat.com>
7825 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
7826 i386_pe_maybe_record_exported_symbol.
7828 2010-02-05 Steve Ellcey <sje@cup.hp.com>
7831 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7832 (pa_delegitimize_address): New function.
7834 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
7836 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
7837 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
7839 2010-02-05 Richard Guenther <rguenther@suse.de>
7842 * lto-streamer-in.c (get_resolution): Deal with references
7843 to undefined functions.
7845 2010-02-05 Richard Guenther <rguenther@suse.de>
7847 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
7848 (fold_const_aggregate_ref): Likewise.
7849 (ccp_fold_stmt): Substitute loads.
7850 (maybe_fold_reference): Verify types before substituting.
7852 (fold_gimple_assign): Unshare properly.
7853 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7855 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7857 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7858 for rs6000_gen_cell_microcode.
7860 2010-02-04 Richard Guenther <rguenther@suse.de>
7862 PR rtl-optimization/42952
7863 * dse.c (const_or_frame_p): Remove MEM handling.
7865 2010-02-04 Nick Clifton <nickc@redhat.com>
7867 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7868 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7869 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7870 (mn10300_asm_output_mi_thunk): New function.
7871 (mn10300_can_output_mu_thunk): New function.
7872 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7873 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7874 (FUNCTION_ARG): Delete incorrect comment.
7876 2010-02-03 Jason Merrill <jason@redhat.com>
7879 * fold-const.c (operand_equal_p): Handle erroneous types.
7881 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7883 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7885 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7887 PR rtl-optimization/42941
7888 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7891 2010-02-03 Jason Merrill <jason@redhat.com>
7894 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7896 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7899 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7900 (cselib_reset_table): Renamed from...
7901 (cselib_reset_table_with_next_value): ... this.
7902 (cselib_get_next_uid): Renamed from...
7903 (cselib_get_next_unknown_value): ... this.
7904 * cselib.c (next_uid): Renamed from...
7905 (next_unknown_value): ... this.
7906 (cselib_clear_table): Adjust.
7907 (cselib_reset_table): Adjust. Renamed from...
7908 (cselib_reset_table_with_next_value): ... this.
7909 (cselib_get_next_uid): Adjust. Renamed from...
7910 (cselib_get_next_unknown_value): ... this.
7911 (get_value_hash): Use hash.
7912 (cselib_hash_rtx): Likewise.
7913 (new_cselib_val): Adjust. Set and dump uid.
7914 (cselib_lookup_mem): Pass next_uid as hash.
7915 (cselib_subst_to_values): Likewise.
7916 (cselib_log_lookup): Dump uid.
7917 (cselib_lookup): Pass next_uid as hash. Adjust.
7918 (cselib_process_insn): Adjust.
7919 (cselib_init): Initialize next_uid.
7920 (cselib_finish): Adjust.
7921 (dump_cselib_table): Likewise.
7922 * dse.c (canon_address): Dump value uid.
7923 * print-rtl.c (print_rtx): Print value uid.
7924 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7926 (dv_uid): New function, sort of renamed from...
7927 (dv_htab_hash): ... this, reimplemented in terms of it and...
7928 (dv_uid2hash): ... this. New.
7929 (variable_htab_eq): Drop excess assertions.
7930 (tie_break_pointers): Removed.
7931 (canon_value_cmp): Compare uids.
7932 (variable_post_merge_New_vals): Print uids.
7933 (vt_add_function_parameters): Adjust.
7934 (vt_initialize): Reset table. Adjust.
7936 2010-02-03 Richard Guenther <rguenther@suse.de>
7938 PR tree-optimization/42944
7939 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7940 (call_may_clobber_ref_p_1): Likewise. Properly handle
7941 malloc and calloc clobbering errno.
7943 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7945 * doc/invoke.texi: Fix name of sched1 dump.
7947 * opts.c (decode_options): Set flag_tree_switch_conversion
7948 only conditionally on optimize >= 2.
7950 * gcse.c: Assorted comment fixes in pass description.
7952 2010-02-03 Anthony Green <green@moxielogic.com>
7954 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7955 nop padding in order to maintain alignment of storage location of
7956 target function address.
7957 (moxie_trampoline_init): Store target function address at newly
7959 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7961 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7963 2010-02-03 Richard Guenther <rguenther@suse.de>
7966 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7968 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7970 * config.gcc: Reenable check for obsolete targets.
7971 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7972 mips-sgi-irix6.[0-4]*.
7974 2010-02-02 Nick Clifton <nickc@redhat.com>
7976 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7977 constant size of 4 as being the same as 0.
7978 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7979 can take values in the range 0..4.
7981 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7984 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7985 as _darwin10_Unwind_FindEnclosingFunction().
7986 * libgcc-libsystem.ver: New.
7988 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7991 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7992 implicitly set registers.
7994 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7996 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7997 (arm_override_options): Allow automatic selection of the thread
7998 pointer register if thumb2.
7999 (legitimize_pic_address): Improve code sequences for Thumb2.
8000 (arm_call_tls_get_addr): Likewise.
8001 (legitimize_tls_address): Likewise.
8002 * arm.md (pic_load_addr_arm): Delete. Replace with ...
8003 (pic_load_addr_32bit): ... this. New named pattern.
8004 * thumb2.md (pic_load_addr_thumb2): Delete.
8005 (pic_load_dot_plus_four): Delete.
8006 (tls_load_dot_plus_four): New named pattern.
8008 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8011 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
8012 Document fix for TLS bug.
8014 2010-01-31 Richard Guenther <rguenther@suse.de>
8016 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
8017 conservatively correct.
8019 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8023 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8025 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8027 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8029 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
8031 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
8033 * config.gcc: Adjust order of makefile fragments for mingw targets.
8035 2010-01-31 Richard Guenther <rguenther@suse.de>
8038 * gimplify.c (gimplify_init_constructor): For volatile LHS
8039 initialize a temporary.
8041 2010-01-31 Matthias Klose <doko@ubuntu.com>
8043 * configure.ac: Fix __stack_chk_fail check for cross builds configured
8045 * configure: Regenerate.
8047 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
8049 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
8050 the same alias set and their sizes different constantness.
8051 (aliasing_component_refs_p): Revert 2009-10-24 change.
8053 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8055 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
8058 2010-01-29 Richard Guenther <rguenther@suse.de>
8060 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
8061 Assert we successfully updated the call.
8063 2010-01-29 Jakub Jelinek <jakub@redhat.com>
8065 PR rtl-optimization/42889
8066 * df.h (df_set_bb_dirty_nonlr): New prototype.
8067 * df-core.c (df_set_bb_dirty_nonlr): New function.
8068 * df-scan.c (df_insn_rescan): Call it instead of
8069 df_set_bb_dirty for DEBUG_INSNs.
8071 2010-01-29 Richard Guenther <rguenther@suse.de>
8074 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
8075 quadratic behavior in most cases.
8077 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
8080 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
8081 in the call to gen_x86_movsicc_0_m1.
8083 2010-01-28 Richard Guenther <rguenther@suse.de>
8085 PR tree-optimization/42871
8086 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
8088 2010-01-28 Richard Guenther <rguenther@suse.de>
8090 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
8091 into call arguments.
8093 2010-01-28 Richard Guenther <rguenther@suse.de>
8096 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
8097 the forwarder if the destination is an EH landing pad.
8099 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
8101 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
8102 block list passed to gimple_duplicate_sese_tail.
8103 (parallelize_loops): Avoid parallelization when the function
8105 Avoid parallelization when the preheader is IRREDUCIBLE.
8106 Try to optimize when estimated_loop_iterations_int is unresolved.
8107 Add the loop's location to the dump file.
8108 * tree-cfg.c (add_phi_args_after_redirect): Remove.
8109 (gimple_duplicate_sese_tail): Remove the check for the latch.
8110 Redirect nexits to the exit block.
8111 Remove handling of the incoming edges to the latch.
8112 Redirect the backedge from the copied latch to the exit bb.
8114 2010-01-28 Michael Matz <matz@suse.de>
8117 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
8118 Wrap force_reg into a sequence, emit it before user.
8120 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
8122 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
8124 (arm_legacy_rev): Likewise.
8125 (thumb_legacy_rev): Likewise.
8127 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8129 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
8130 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
8131 on MEM's address failed, try avoid_constant_pool_reference and
8132 recurse if it returned something different.
8133 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
8134 address, try avoid_constant_pool_reference and recurse if it
8135 returned something different.
8136 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
8137 address and avoid_constant_pool_reference returned something
8138 different, don't set have_address.
8140 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
8143 * var-tracking.c (val_store): Add modified argument, obey it.
8145 (count_uses): Move down logging of main.
8146 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
8147 don't need resolution.
8148 (emit_notes_in_bb): Likewise.
8150 2010-01-27 Richard Guenther <rguenther@suse.de>
8153 * tree-inline.c (remap_decl): Delay remapping of SSA name
8154 default definitions until we need them.
8156 2010-01-27 Jakub Jelinek <jakub@redhat.com>
8158 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
8159 (rs6000_delegitimize_address): New function.
8161 * config/s390/s390.c (s390_delegitimize_address): Call
8162 delegitimize_mem_from_attrs.
8165 * tree-inline.c (cannot_copy_type_1): Removed.
8166 (copy_forbidden): Don't forbid copying of functions containing
8167 records/unions with variable length fields.
8169 2010-01-27 Christian Bruel <christian.bruel@st.com>
8173 * config/sh/sh.c (find_barrier): Increase length for non delayed
8174 conditional branches.
8176 2010-01-27 Matthias Klose <doko@ubuntu.com>
8178 * configure.ac (gnu-unique-object): Fix ldd version check.
8179 * configure: Regenerate.
8181 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8183 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
8185 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
8186 Test for HAVE_GNU_AS value.
8188 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8190 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
8191 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
8192 INT64_TYPE): Define.
8193 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
8194 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
8195 INT_LEAST64_TYPE): Define.
8196 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
8197 UINT_LEAST64_TYPE): Define.
8198 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
8199 INT_FAST64_TYPE): Define.
8200 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
8201 UINT_FAST64_TYPE): Define.
8202 (INTMAX_TYPE, UINTMAX_TYPE): Define.
8203 (INTPTR_TYPE, UINTPTR_TYPE): Define.
8204 (SIG_ATOMIC_TYPE): Define.
8206 2010-01-26 Richard Guenther <rguenther@suse.de>
8208 * df-scan.c (df_scan_set_bb_info): Remove assert.
8209 (df_insn_rescan_debug_internal): Merge asserts.
8210 (df_install_ref): Likewise.
8211 (df_mark_reg): Use bitmap_set_range.
8212 (df_hard_reg_used_p): Remove assert.
8213 (df_hard_reg_used_count): Likewise.
8215 2010-01-26 Richard Guenther <rguenther@suse.de>
8217 PR rtl-optimization/42685
8218 * web.c (web_main): Ignore DEBUG_INSNs.
8220 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
8222 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
8224 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
8225 Fix types of fndecl and arglist parameters.
8227 2010-01-26 Richard Guenther <rguenther@suse.de>
8230 * tree-eh.c (unsplit_eh): Skip debug insns.
8232 2010-01-26 Richard Guenther <rguenther@suse.de>
8234 PR tree-optimization/42250
8235 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
8237 2010-01-26 Jakub Jelinek <jakub@redhat.com>
8240 * omp-low.c (expand_omp_sections): Only use single_pred if
8241 l2_bb is single_pred_p.
8243 2010-01-25 Christian Bruel <christian.bruel@st.com>
8246 * config/sh/sh.c (find_barrier): Increase length for non delayed
8247 conditional branches.
8248 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
8250 2010-01-24 David S. Miller <davem@davemloft.net>
8252 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
8253 define if not using GAS.
8254 * config/sparc/sparc.c (sparc_elf_asm_named_section):
8255 Likewise. Delete SECTION_MERGE code, which is only applicable
8258 2010-01-24 Mark Mitchell <mark@codesourcery.com>
8261 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
8262 mangling of va_list in system headers.
8264 2010-01-23 Toon Moene <toon@moene.org>
8266 * tree-predcom.c (combine_chains): Return NULL, not false.
8268 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
8270 * tree-loop-distribution.c (distribute_loop): Fix declaration and
8271 initialization of variable res to agree with return type.
8273 2010-01-22 Steve Ellcey <sje@cup.hp.com>
8275 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
8276 * tree-sra.c: Add include of expr.h.
8278 2010-01-22 Jakub Jelinek <jakub@redhat.com>
8280 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
8281 insert the debug stmt on the single non-EH edge from the stmt.
8283 2010-01-22 Richard Henderson <rth@redhat.com>
8286 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
8287 the RHS until after generate_subtree_copies has insertted its
8288 code before the current statement.
8290 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
8292 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
8294 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
8296 2010-01-21 Martin Jambor <mjambor@suse.cz>
8298 PR tree-optimization/42585
8299 * tree-sra.c (struct access): New field grp_total_scalarization.
8300 (dump_access): Dump the new field.
8301 (should_scalarize_away_bitmap): New variable.
8302 (cannot_scalarize_away_bitmap): Likewise.
8303 (sra_initialize): Allocate new bitmaps.
8304 (sra_deinitialize): Free new bitmaps.
8305 (create_access_1): New function.
8306 (create_access): Parts moved to create_access_1.
8307 (type_consists_of_records_p): New function.
8308 (completely_scalarize_record): Likewise.
8309 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
8310 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
8311 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
8313 (analyze_all_variable_accesses): Completely scalarize small eligible
8316 2010-01-21 Martin Jambor <mjambor@suse.cz>
8318 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
8320 2010-01-21 Andrew Haley <aph@redhat.com>
8322 * gcc.c (process_command): Move lang_specific_driver before
8323 setting cc_libexec_prefix.
8325 2010-01-21 Richard Guenther <rguenther@suse.de>
8328 * fold-const.c (negate_expr_p): Pretend only negative
8329 real constants are easily negatable.
8331 2010-01-20 Janis Johnson <janis187@us.ibm.com>
8332 Jason Merrill <jason@redhat.com>
8334 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
8335 (TYPE_TRANSPARENT_AGGR): this, for union and record.
8336 * calls.c (initialize argument_information): Handle it.
8337 * c-common.c (handle_transparent_union_attribute): Use new name.
8338 * c-decl.c (finish_struct): Ditto.
8339 * c-typeck.c (type_lists_compatible_p): Ditto.
8340 (convert_for_assignment): Use new name and also handle record.
8341 * function.c (aggregate_value_p): Handle it.
8342 (pass_by_reference): Ditto.
8343 (assign_parm_data_types): Ditto.
8344 * print-tree.c (print_node): Ditto.
8345 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
8346 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
8347 * tree.c (first_field): New fn.
8349 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
8352 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
8353 even when linking statically, for now.
8355 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8358 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
8359 without a cselib val.
8360 (count_uses): Accept MO_VAL_SET with no val on stores.
8361 (add_stores): Likewise.
8363 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8365 * var-tracking.c (check_value_val): Add a compile time assertion.
8366 (dv_is_decl_p): Simplify.
8367 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
8368 gcc_assert if ENABLE_CHECKING.
8370 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
8373 * var-tracking.c: Include tree-flow.h.
8374 (mem_dies_at_call): New.
8375 (dataflow_set_preserve_mem_locs): Use it.
8376 (dataflow_set_remove_mem_locs): Likewise.
8377 (dump_var): Renamed from dump_variable. Adjust all callers.
8378 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
8379 * Makefile.in (var-tracking.o): Adjust deps.
8381 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
8383 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
8385 2010-01-20 Richard Guenther <rguenther@suse.de>
8387 PR tree-optimization/42717
8388 * tree-ssa-dce.c (get_live_post_dom): Remove.
8389 (forward_edge_to_pdom): Take an arbitrary edge to copy
8390 degenerate PHI args from.
8391 (remove_dead_stmt): Use the first post-dominator even if it
8392 does not contain live statements as redirection destination.
8394 2010-01-20 Richard Guenther <rguenther@suse.de>
8396 * tree-inline.c (estimate_num_insns): Handle EH builtins.
8398 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8400 * sel-sched.c (create_speculation_check): Remove set but not used
8402 (try_transformation_cache): Remove set but not used variable ds.
8403 (calculate_privileged_insns): Remove set but not used variables
8404 cur_insn and min_spec_insn.
8405 (find_best_expr): Remove set but not used variable avail_n.
8406 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
8408 * cgraphunit.c (assemble_thunk): Remove set but not used variable
8410 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
8411 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
8414 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
8417 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
8418 cpu types. Add support for *-sse3 cpu types.
8419 (x86_64-*-*): Ditto.
8421 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8424 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
8425 argument, call initializer_constant_valid_p_1 instead of
8426 initializer_constant_valid_p, pass CACHE to it, return NULL
8427 immediately if first call returns NULL.
8428 (initializer_constant_valid_p_1): New function.
8429 (initializer_constant_valid_p): Use it.
8431 2010-01-20 Thomas Quinot <quinot@adacore.com>
8433 * tree.def (PLACEHOLDER_EXPR): Fix comment.
8435 2010-01-20 Jakub Jelinek <jakub@redhat.com>
8437 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
8438 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
8439 (loc_list_from_tree): Don't handle unsigned division. Handle
8440 signed modulo using DW_OP_{over,over,div,mul,minus}.
8441 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
8442 modulo instead of signed.
8444 2010-01-20 DJ Delorie <dj@redhat.com>
8446 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
8448 (h8300_emit_stack_adjustment): Propogate it.
8450 (h8300_expand_prologue): Likewise.
8451 (h8300_expand_epilogue): Likewise.
8453 2010-01-19 Michael Matz <matz@suse.de>
8455 PR tree-optimization/41783
8456 * tree-data-ref.c (toplevel): Include flags.h.
8457 (dump_data_dependence_relation): Also dump the inputs if the
8458 result will be unknown.
8459 (split_constant_offset_1): Look through some conversions.
8460 * tree-predcom.c (determine_roots_comp): Restart a new chain if
8461 the offset from last element is too large.
8462 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
8463 (reassociate_to_the_same_stmt): Handle vector registers.
8464 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
8466 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
8467 wide_prolog_niters argument, emit widening instructions.
8468 (vect_do_peeling_for_alignment): Adjust caller, use widened
8469 variant of the iteration cound.
8470 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
8472 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
8475 * config/arm/neon-testgen.m (emit_automatics): New parameter
8476 features. Adjust for Fixed_return_reg feature.
8477 (test_intrinsic): Call emit_automatics with new feature.
8478 * config/arm/neon.ml: Update copyright years.
8479 (features): New Fixed_return_reg feature.
8480 (ops): Update feature for Vget_low.
8482 2010-01-19 Jakub Jelinek <jakub@redhat.com>
8484 PR tree-optimization/42719
8485 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
8489 * fwprop.c (all_uses_available_at): Return false if def_set dest
8490 is a REG that is used in def_insn.
8492 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
8494 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
8496 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
8499 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
8501 * target.h (struct gcc_target) <secondary_reload>: Change type
8502 of last argument to secondary_reload_info *.
8504 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
8507 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
8508 memory references with unaligned offsets. Remove CQImode handling.
8509 (unaligned_memory_operand): Return 1 for memory references with
8510 unaligned offsets. Remove CQImode handling.
8512 2010-01-18 Richard Guenther <rguenther@suse.de>
8515 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
8518 2010-01-18 Richard Guenther <rguenther@suse.de>
8520 PR tree-optimization/42781
8521 * tree-ssa-structalias.c (find_what_var_points_to): Skip
8522 restrict processing only if the original variable was artificial.
8524 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
8526 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
8527 find number of popped argument bytes.
8529 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
8530 Fix the text that describes the return value for invalid insns.
8532 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
8534 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
8535 Clarify what 'cost of the -dependence' is. Fix quoting.
8537 * toplev.c (default_get_pch_validity): Rename argument to "sz".
8538 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
8540 2010-01-17 Jakub Jelinek <jakub@redhat.com>
8542 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
8543 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
8545 2010-01-17 Richard Guenther <rguenther@suse.de>
8548 * function.c (split_complex_args): Take a VEC to modify.
8549 (assign_parms_augmented_arg_list): Build a VEC instead of
8550 a chain of PARM_DECLs.
8551 (assign_parms_unsplit_complex): Take a VEC of arguments.
8552 Do not fixup unmodified parms.
8553 (assign_parms): Deal with the VEC.
8554 (gimplify_parameters): Likewise.
8556 2010-01-17 Richard Guenther <rguenther@suse.de>
8558 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
8559 node existence check.
8560 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
8561 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
8562 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
8563 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
8564 (gimple_execute_on_growing_pred): Likewise.
8566 2010-01-17 Richard Guenther <rguenther@suse.de>
8568 PR tree-optimization/42773
8569 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
8570 (compute_antic_aux): Likewise.
8571 (compute_partial_antic_aux): Likewise.
8573 2010-01-17 Jie Zhang <jie.zhang@analog.com>
8576 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
8579 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
8581 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
8584 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
8585 Fix markup for strict argument.
8587 (TARGET_SCHED_REORDER2): Fix argument types.
8589 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
8590 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
8592 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
8593 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
8595 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
8598 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
8599 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
8600 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
8601 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
8602 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
8604 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
8606 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
8608 (TARGET_ASM_RELOC_RW_MASK): Add return type.
8609 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
8611 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
8613 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
8616 (TARGET_ASM_NAMED_SECTION): Fix argument list.
8618 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
8619 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
8621 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
8623 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
8625 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
8626 referring to it. Fix language.
8628 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
8630 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
8632 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
8634 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
8636 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
8637 '@var{stream}. Remove stray 'and'.
8639 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
8641 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
8643 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
8645 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
8646 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
8648 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
8649 Fix description of return value.
8650 Rename argument "sz" to "len."
8652 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
8653 Clarify meaning of 'true' return value.
8655 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
8657 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
8658 rep_mode versus mode_rep.
8660 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
8662 (TARGET_BUILTIN_DECL): Fix name.
8664 (TARGET_COMMUTATIVE_P): Fix type of first argument.
8666 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
8668 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
8670 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
8672 (TARGET_RELAXED_ORDERING): Use @deftypevr.
8674 (TARGET_GET_DRAP_RTX): Note that this is a hook.
8677 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
8678 Rename argument tm_fn to md_fn.
8680 (TARGET_OPTION_PRINT): Fix argument list.
8682 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
8685 * config/i386/i386.c (ix86_fixup_binary_operands):
8686 Revert FMA4 fixup of operands.
8688 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8691 * Makefile.in (write_entries_to_file, install-plugin):
8692 Use \012 instead of \n with tr.
8694 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
8696 * configure.ac (HAVE_AS_REF): New C macro.
8697 * configure: Regenerate.
8698 * config.in: Likewise.
8699 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
8701 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
8704 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
8706 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
8708 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
8710 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
8712 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
8714 (TARGET_IN_SMALL_DATA_P): Fix argument type.
8716 (TARGET_BINDS_LOCAL_P): Fix argument type.
8718 (TARGET_ASM_FILE_END): Use prototype.
8720 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
8722 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
8724 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
8726 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
8728 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
8729 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
8731 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
8732 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
8734 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
8735 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
8736 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
8737 (TARGET_ADDR_SPACE_CONVERT): Likewise.
8739 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
8741 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
8743 (TARGET_INIT_BUILTINS): Use prototype.
8745 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
8746 Put 'const char *' in braces. Fix parameter types.
8747 (TARGET_INVALID_CONVERSION): Fix parameter types.
8748 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
8749 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
8751 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
8754 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
8756 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
8758 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
8760 * doc/tm.texi (TARGET_HELP): Fix return type.
8762 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
8763 in braces. Fix argument types.
8765 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
8767 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
8769 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
8771 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
8772 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
8774 (TARGET_MANGLE_TYPE): Fix argument types.
8776 (TARGET_IRA_COVER_CLASSES): Use prototype.
8778 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
8780 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
8782 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
8784 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
8786 (TARGET_CALLEE_COPIES): Fix argument types.
8788 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
8790 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
8792 (TARGET_FUNCTION_VALUE): Fix argument types.
8794 (TARGET_RETURN_IN_MSB): Fix argument type.
8796 (TARGET_RETURN_IN_MEMORY): Fix argument types.
8798 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
8800 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
8802 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
8803 agree with return type.
8805 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
8807 2010-01-15 Jing Yu <jingyu@google.com>
8809 PR rtl-optimization/42691
8810 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
8811 a pseudo to a constant and are merged, and adjust comments.
8813 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
8815 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
8817 2010-01-15 Richard Guenther <rguenther@suse.de>
8820 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
8821 labels of computed or non-local gotos to the destination.
8822 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
8823 landing pad label is the first label.
8825 2010-01-15 Richard Guenther <rguenther@suse.de>
8827 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
8829 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
8832 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
8833 to allow generation of the xssqrtdp instruction on power7.
8834 (sqrtdf2_fpr): Ditto.
8836 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8839 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
8840 functions with noreturn attribute.
8843 * varasm.c (declare_weak): Add weak attribute to decl if it
8844 doesn't have one already.
8845 (assemble_external): Only add decls to weak_decls if they also
8846 have weak attribute.
8848 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
8850 * var-tracking.c (var_reg_delete): Don't delete the association
8851 between REGs and values or one-part variables if the register
8854 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8857 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8858 because its first operand is a non-localized variable.
8860 2010-01-14 Martin Jambor <mjambor@suse.cz>
8862 PR tree-optimization/42706
8863 * tree-sra.c (encountered_recursive_call): New variable.
8864 (encountered_unchangable_recursive_call): Likewise.
8865 (sra_initialize): Initialize both new variables.
8866 (callsite_has_enough_arguments_p): New function.
8867 (scan_function): Call decl and flags check only for IPA-SRA, check
8868 whether there is a recursive call and whether it has enough arguments.
8869 (all_callers_have_enough_arguments_p): New function.
8870 (convert_callers): Look for recursive calls only when
8871 encountered_recursive_call is set.
8872 (ipa_early_sra): Bail out either if
8873 !all_callers_have_enough_arguments_p or
8874 encountered_unchangable_recursive_call.
8876 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8878 * sel-sched.c: Add 2010 to copyright years.
8879 * sel-sched-ir.c: Likewise.
8880 * sel-sched-ir.h: Likewise.
8882 2010-01-14 Martin Jambor <mjambor@suse.cz>
8884 PR tree-optimization/42714
8885 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8886 constructors specially.
8888 2010-01-14 Andi Kleen <ak@linux.intel.com>
8890 * config/i386/drivers-i386.c (detect_caches_intel):
8891 Add l2sizekb parameter and fill in.
8892 (host_detect_local_cpu): Add l2sizekb, fill in.
8893 Add Atom small cache heuristic.
8895 2010-01-14 Andi Kleen <ak@linux.intel.com>
8897 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8898 Add level3 parameter and fill in.
8899 (detect_caches_intel): Handle level3 cache.
8901 2010-01-14 Andi Kleen <ak@linux.intel.com>
8903 * config/i386/drivers-i386.c (host_detect_local_cpu):
8904 Fix core duo detection.
8906 2010-01-14 Andi Kleen <ak@linux.intel.com>
8908 * config/i386/drivers-i386.c (host_detect_local_cpu):
8911 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8913 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8914 (rs6000_variable_issue_1): this. Use...
8915 (rs6000_variable_issue): here. Reimplement. Print debug info.
8917 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8919 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8920 sel_restore_notes. Update all callers. Call reemit_notes
8923 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8925 PR rtl-optimization/42246
8926 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8929 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8931 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8932 all successors is the same as number of successors in current region.
8934 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8936 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8937 to rename is not separable. Otherwise check that its LHS is not NULL.
8939 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8941 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8943 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8945 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8946 available registers when failed to discover LHS register class.
8947 Fix indentation. Update comment.
8949 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8950 Alexander Monakov <amonakov@ispras.ru>
8952 PR rtl-optimization/42389
8953 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8955 (advance_state_on_fence): Likewise.
8956 (sel_target_adjust_priority): Print debug output only when
8957 sched_verbose >= 4, not 2.
8958 (get_expr_cost): Do not issue all unique insns on the next cycle.
8959 (fill_insns): Initialize can_issue_more from the value saved
8961 * sel-sched-ir.c (flist_add): New parameter issue_more.
8962 Init FENCE_ISSUE_MORE with it.
8963 (merge_fences): Likewise.
8964 (init_fences): Update call to flist_add.
8965 (add_to_fences, add_clean_fence_to_fences)
8966 (add_dirty_fence_to_fences): Likewise.
8967 (move_fence_to_fences): Update call to merge_fences.
8968 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8970 * sel-sched-ir.h (struct _fence): New field issue_more.
8971 (FENCE_ISSUE_MORE): New accessor macro.
8973 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8975 PR rtl-optimization/42388
8976 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8977 that have no predecessors nor successors. Do not call move_bb_info
8978 for empty blocks outside of current region.
8980 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8982 PR rtl-optimization/42294
8983 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8984 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8985 originators' originators.
8987 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8989 PR rtl-optimization/39453
8990 PR rtl-optimization/42246
8991 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8993 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8995 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8996 Alexander Monakov <amonakov@ispras.ru>
8999 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
9000 (maybe_tidy_empty_bb): ... here. Make static. Add new
9001 argument. Update all callers.
9002 (tidy_control_flow): ... and here. Recompute topological order
9003 of basic blocks in region if necessary.
9004 (sel_redirect_edge_and_branch): Change return type. Return true
9005 if topological order might have been invalidated.
9006 (purge_empty_blocks): Export and move from...
9007 * sel-sched.c (purge_empty_blocks): ... here.
9008 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
9009 (maybe_tidy_empty_bb): Delete prototype.
9010 (purge_empty_blocks): Declare.
9012 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
9014 PR rtl-optimization/42249
9015 * sel-sched.c (try_replace_dest_reg): When chosen register
9016 and original register is the same, do not bail out early, but
9017 still check all original insns for validity of replacing destination
9018 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
9021 2010-01-14 Jakub Jelinek <jakub@redhat.com>
9024 Port from no-undefined-overflow branch:
9025 2009-03-09 Richard Guenther <rguenther@suse.de>
9027 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
9029 2010-01-14 Richard Guenther <rguenther@suse.de>
9032 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
9034 2010-01-14 Ira Rosen <irar@il.ibm.com>
9036 PR tree-optimization/42709
9037 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
9038 as scalar type in creation of constant vector operand.
9040 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9043 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
9044 (check-parallel-%): Match `testsuite' directory component only
9047 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
9049 PR translation/39521
9050 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
9053 2010-01-13 Richard Guenther <rguenther@suse.de>
9055 PR tree-optimization/42730
9056 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
9059 2010-01-13 Steve Ellcey <sje@cup.hp.com>
9062 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
9063 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
9066 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
9068 * config/bfin/libgcc-bfin.ver: Regenerate based on current
9069 libgcc-std.ver. Add entries for ___smulsi3_highpart and
9070 ___umulsi3_highpart.
9072 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
9073 rather than schedule_insns if the pass is enabled.
9075 2010-01-13 Martin Jambor <mjambor@suse.cz>
9077 PR tree-optimization/42704
9078 * tree-sra.c (sra_modify_assign): Do not delete assignments to
9081 2010-01-13 Martin Jambor <mjambor@suse.cz>
9083 PR tree-optimization/42703
9084 * tree-sra.c (analyze_access_subtree): Check that we can build a
9085 reference to the original data within the aggregate.
9087 2010-01-13 Richard Guenther <rguenther@suse.de>
9089 PR tree-optimization/42705
9090 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
9092 2010-01-13 Richard Guenther <rguenther@suse.de>
9095 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
9097 2010-01-13 Jakub Jelinek <jakub@redhat.com>
9100 * var-tracking.c (values_to_unmark): New variable.
9101 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
9102 values_to_unmark vector. Moved body to...
9103 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
9104 instead queue it into values_to_unmark vector.
9105 (vt_find_locations): Free values_to_unmark vector.
9107 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
9109 * config/s390/s390.c (override_options): Set
9110 default of max-pending-list-length to 256
9112 2010-01-13 Richard Guenther <rguenther@suse.de>
9115 * tree-pass.h (PROP_gimple_lcx): New.
9116 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
9117 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
9118 before the final cleanup_eh.
9119 (dump_properties): Dump PROP_gimple_lcx.
9120 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
9121 (tree_lower_complex_O0): Remove.
9122 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
9123 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
9124 tree_lower_complex, schedule TODO_update_ssa.
9125 * lto-streamer-out.c (output_function): Stream the functions
9127 * lto-streamer-in.c (input_function): Likewise.
9128 (lto_read_body): Do not override them here.
9130 2010-01-12 Joseph Myers <joseph@codesourcery.com>
9133 * c-typeck.c (build_c_cast): Fold value cast to union type before
9134 wrapping it in a CONSTRUCTOR.
9136 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9138 PR rtl-optimization/42699
9139 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
9142 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9144 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9145 SUBTARGET_WARN_UNUSED_SPEC): Move ...
9146 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
9147 SUBTARGET_WARN_UNUSED_SPEC): ... here
9148 * config/mips/iris5.h (LIBGCC_SPEC): Define.
9150 2010-01-12 Julian Brown <julian@codesourcery.com>
9152 * config/arm/neon-schedgen.ml (Utils): Don't try to
9153 open missing module.
9154 (find_with_result): New.
9156 2010-01-12 Jakub Jelinek <jakub@redhat.com>
9159 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
9160 sharing when canonicalizing ({lt,ge}u (plus a b) b).
9162 PR tree-optimization/42645
9163 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
9164 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
9165 decl_map, set processing_debug_stmt to -1 and return name without
9168 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
9170 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
9171 binutils version, and reword target configuration description.
9173 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9175 * config/avr/avr.h (LINKER_NAME): Remove.
9177 2010-01-11 Janis Johnson <janis187@us.ibm.com>
9180 * config/rs6000/rs6000.c (rs6000_override_options): On targets
9181 that support VSX, warn for -mno-altivec if vsx is not disabled,
9184 2010-01-11 Joseph Myers <joseph@codesourcery.com>
9185 Shujing Zhao <pearly.zhao@oracle.com>
9187 PR translation/42469
9188 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
9189 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
9190 character between option name and help text.
9191 * c.opt (imultilib): Likewise.
9193 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
9195 * lto-streamer-out.c (output_unreferenced_globals): Output static
9198 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
9200 PR rtl-optimization/42621
9201 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
9202 optimizing for size.
9203 (duplicate_computed_gotos): Remove now-redundant check.
9205 2010-01-10 Steve Ellcey <sje@cup.hp.com>
9208 * configure.ac: Save and restore LDFLAGS and LIBS
9209 * configure: Regenerate.
9211 2010-01-10 Richard Guenther <rguenther@suse.de>
9214 * builtins.c (fold_builtin_strlen): Add type argument and
9215 convert the resulting length to it.
9216 (fold_builtin_1): Adjust.
9218 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9220 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
9221 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
9223 (num_insns_constant_wide): Adjust for that change.
9225 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9228 * web.c (union_defs): Add used argument, to combine uses of
9230 (entry_register): Adjust type and tests of used argument.
9231 (web_main): Widen used for new use. Pass it to union_defs.
9232 * df.h (union_defs): Adjust prototype.
9234 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9237 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
9238 uses in new incoming argument. Free body.
9239 (reset_debug_uses_in_loop): New.
9240 (analyze_insn_to_expand_var): Call the latter if the former found
9241 anything. Fix whitespace. Reject invalid dest overlaps before
9242 going through all insns in the loop.
9244 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9247 * haifa-sched.c (dying_use_p): Debug insns don't count.
9249 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9252 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
9253 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
9254 (verify_gimple_call): Reject LHS in noreturn calls.
9256 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9260 * tree-vect-loop-manip.c (adjust_info): New type.
9261 (adjust_vec): New pointer to vector.
9262 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
9263 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
9264 (slpeel_update_phis_for_duplicate_loop): Use them.
9265 (slpeel_update_phi_nodes_for_guard1): Likewise.
9266 (slpeel_update_phi_nodes_for_guard2): Likewise.
9267 (slpeel_tree_peel_loop_to_edge): Likewise.
9268 (vect_update_ivs_after_vectorizer): Likewise.
9270 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9272 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
9273 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9275 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
9277 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
9278 bogus uninitialized warning.
9280 2010-01-09 Richard Guenther <rguenther@suse.de>
9283 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
9284 the evolution is compatible with the initial condition.
9286 2010-01-09 Jakub Jelinek <jakub@redhat.com>
9288 * gcc.c (process_command): Update copyright notice dates.
9289 * gcov.c (print_version): Likewise.
9290 * gcov-dump.c (print_version): Likewise.
9291 * mips-tfile.c (main): Likewise.
9292 * mips-tdump.c (main): Likewise.
9294 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
9297 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
9299 (rotlhi3_8): Delete.
9301 (rotlsi3_8): Delete.
9302 (rotlsi3_16): Delete.
9303 (rotlsi3_24): Delete.
9305 (*rotw<mode>3): New.
9306 (*rotb<mode>3): New.
9307 * config/avr/avr.c (avr_rotate_bytes): New function.
9308 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
9310 2010-01-08 Steve Ellcey <sje@cup.hp.com>
9313 * configure.ac: Modify -rdynamic check.
9314 * configure: Regenerate.
9316 2010-01-08 DJ Delorie <dj@redhat.com>
9318 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
9319 register popping order.
9321 2010-01-08 Richard Guenther <rguenther@suse.de>
9324 * c.opt (fsigned-char): Also let LTO handle this option.
9325 (funsigned-char): Likewise.
9327 2010-01-07 Richard Guenther <rguenther@suse.de>
9329 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
9330 (gimple_op): Likewise.
9331 (gimple_op_ptr): Likewise.
9332 (gimple_assign_set_lhs): Remove gcc_assert.
9333 (gimple_assign_set_rhs1): Likewise.
9334 (gimple_assign_set_rhs2): Likewise.
9335 (gimple_call_set_lhs): Likewise.
9336 (gimple_call_set_fn): Likewise.
9337 (gimple_call_set_fndecl): Likewise.
9338 (gimple_call_fndecl): Likewise.
9339 (gimple_call_return_type): Likewise.
9340 (gimple_call_set_chain): Likewise.
9341 (gimple_call_num_args): Likewise.
9342 (gimple_call_set_arg): Likewise.
9343 (gimple_cond_set_code): Likewise.
9344 (gimple_cond_set_lhs): Likewise.
9345 (gimple_cond_set_rhs): Likewise.
9346 (gimple_cond_set_true_label): Likewise.
9347 (gimple_cond_set_false_label): Likewise.
9348 (gimple_label_set_label): Likewise.
9349 (gimple_goto_set_dest): Likewise.
9350 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
9351 (gimple_debug_bind_get_value): Likewise.
9352 (gimple_debug_bind_get_value_ptr): Likewise.
9353 (gimple_debug_bind_set_var): Likewise.
9354 (gimple_debug_bind_set_value): Likewise.
9355 (gimple_debug_bind_reset_value): Likewise.
9356 (gimple_debug_bind_has_value_p): Likewise.
9357 (gimple_return_retval_ptr): Remove gcc_assert.
9358 (gimple_return_retval): Likewise.
9359 (gimple_return_set_retval): Likewise.
9360 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
9361 (safe_referenced_var_iterator): Remove.
9362 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
9363 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
9364 (fill_referenced_var_vec): Remove.
9365 (first_readonly_imm_use): Remove redundant gcc_assert.
9366 (phi_arg_index_from_use): Combine gcc_asserts.
9367 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
9368 (first_imm_use_stmt): Remove redundant gcc_assert.
9369 * tree-cfg.c (verify_gimple_call): Verify function and chain
9370 operands. Verify arguments.
9371 (verify_types_in_gimple_stmt): Verify condition code and labels.
9373 2010-01-07 Richard Guenther <rguenther@suse.de>
9375 PR tree-optimization/42641
9376 * sese.c (rename_map_elt_info): Use the SSA name version, do
9379 2010-01-07 Jakub Jelinek <jakub@redhat.com>
9381 PR tree-optimization/42625
9382 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
9383 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
9385 2010-01-07 Duncan Sands <baldrick@free.fr>
9387 * Makefile.in (PLUGIN_HEADERS): Add version.h.
9389 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
9392 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
9393 note itself is not function_invariant_p.
9395 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
9397 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
9398 Do not add the DF_NOTE problem.
9399 * store-motion.c (execute_rtl_store_motion): Likewise.
9401 2010-01-07 Martin Jambor <mjambor@suse.cz>
9403 PR tree-optimization/42157
9404 * tree-sra.c (compare_access_positions): Stabilize sort if both
9405 accesses have integer types, return zero immediately if they are the
9408 2010-01-06 Richard Henderson <rth@redhat.com>
9411 * haifa-sched.c (add_to_note_list): Merge into ...
9412 (concat_note_lists): ... here, and ...
9413 (unlink_other_notes, rm_other_notes): Merge into...
9414 (remove_notes): ... here. Create REG_SAVE_NOTEs for
9415 NOTE_INSN_EPILOGUE_BEG.
9417 2010-01-06 Richard Guenther <rguenther@suse.de>
9419 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
9420 not inline regular functions into always-inline functions.
9422 2010-01-06 Nick Clifton <nickc@redhat.com>
9424 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
9425 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
9427 (OVERRIDE_OPTIONS): Delete.
9428 (OPTIMIZATION_OPTIONS): Define.
9429 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
9430 * config/rx/rx.c (rx_handle_option): Issue an error message if
9431 -mcpu=rx200 and -fpu are used together.
9432 (rx_set_optimization_options): New function. Issue an error
9433 message if an optimization attribute attempts to reset the FPU/
9434 math optimization pairing.
9435 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
9436 * config/rx/rx.opt: Set the default to 32-bit doubles.
9437 * config/rx/t-rx: Add multilibs for -nofpu option.
9438 * doc/invoke.texi: Update documentation of RX options.
9440 2010-01-06 Richard Guenther <rguenther@suse.de>
9442 * tree-ssa-pre.c (name_to_id): New global.
9443 (alloc_expression_id): Simplify SSA name handling.
9444 (lookup_expression_id): Likewise.
9445 (init_pre): Zero name_to_id.
9446 (fini_pre): Free it.
9448 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
9450 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
9452 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
9455 * config/i386/sse.md (smaxv2di3): New.
9456 (umaxv2di3): Likewise.
9457 (sminv2di3): Likewise.
9458 (uminv2di3): Likewise.
9460 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
9463 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
9464 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
9465 (legitimize_tls_address): Likewise.
9466 (sparc_tls_referenced_p): Likewise.
9467 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
9468 and adjust calls to legitimize_pic_address.
9469 (legitimate_constant_p) Use sparc_tls_referenced_p.
9470 (legitimate_pic_operand_p): Likewise.
9471 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
9472 (sparc_tls_symbol_ref_1): Delete.
9473 (sparc_tls_referenced_p): Make static, recognize specific patterns.
9474 (legitimize_tls_address): Make static, handle CONST patterns.
9475 (legitimize_pic_address): Make static, remove unused parameter and
9476 adjust recursive calls.
9477 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
9478 and adjust call to legitimize_pic_address.
9479 (sparc_output_mi_thunk): Likewise.
9481 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
9482 H.J. Lu <hongjiu.lu@intel.com>
9485 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
9486 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
9487 operands to make them signed.
9490 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9493 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9494 GTU to GT for V4SI and V2DI.
9496 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9497 (umin<mode>3): Removed.
9499 (uminv4si3): Likewise.
9501 2010-01-05 Martin Jambor <mjambor@suse.cz>
9503 PR tree-optimization/42462
9504 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
9505 current_function_decl to helper functions and macros.
9507 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9510 * flags.h: Don't include real.h.
9511 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
9512 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
9513 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
9514 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
9515 * dominance.c: Update copyright.
9516 * gimple.c (walk_gimple_op): Remove inline.
9517 * tree-ssa-reassoc.c: Include real.h.
9518 * Makefile.in (FLAGS_H): Remove $(REAL_H).
9519 (tree-ssa-reassoc.o): Depend on $(REAL_H).
9521 2010-01-05 Nick Clifton <nickc@redhat.com>
9523 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
9524 register to push into the stack frame when the accumulator has to
9525 be saved during interrupts.
9527 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
9529 * doc/invoke.texi: Remove the documentation about option
9531 * common.opt (Wunreachable-code): Preserved for backward
9533 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
9534 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
9535 the backward compatibility flag section.
9537 2010-01-05 Richard Guenther <rguenther@suse.de>
9539 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
9541 2010-01-05 Jakub Jelinek <jakub@redhat.com>
9544 * cfgexpand.c (expand_one_var): Diagnose too large variables.
9546 PR tree-optimization/42508
9547 * tree-sra.c (convert_callers): Check for recursive call
9548 by comparing cgraph nodes instead of decls.
9549 (modify_function): Call ipa_modify_formal_parameters also
9550 on all same_body aliases.
9552 * cgraphunit.c (cgraph_materialize_all_clones): Compare
9553 cgraph nodes when checking for same_body aliases.
9555 2010-01-05 Richard Guenther <rguenther@suse.de>
9557 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
9558 allocation and lookup.
9559 (get_or_alloc_expr_for_constant): Likewise.
9560 (phi_translate): Sink allocation.
9562 2010-01-04 Richard Guenther <rguenther@suse.de>
9564 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
9565 a new entry only if needed.
9566 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
9567 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
9569 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
9571 (phi_translate): Handle CONSTANTs early.
9573 2010-01-04 Martin Jambor <mjambor@suse.cz>
9575 PR tree-optimization/42398
9576 * tree-sra.c (struct access): Removed flag grp_different_types.
9577 (dump_access): Do not dump the removed flag.
9578 (sort_and_splice_var_accesses): Do not set the removed flag.
9579 (sra_modify_expr): Check for type compatibility directly.
9581 2010-01-04 Martin Jambor <mjambor@suse.cz>
9583 PR tree-optimization/42366
9584 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
9585 edges with variable number of parameters.
9586 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
9587 flag instead of asserting it.
9588 (ipa_read_node_info): Read uses_analysis_done flag.
9590 2010-01-04 Richard Guenther <rguenther@suse.de>
9592 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
9593 iterative_hash_* as intended.
9594 (vn_reference_compute_hash): Likewise. Simplify hashing
9596 (vn_reference_lookup_2): Likewise.
9597 (vn_nary_op_compute_hash): Likewise.
9598 (vn_phi_compute_hash): Likewise.
9599 (expressions_equal_p): Remove strange code.
9600 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
9601 (pre_expr_hash): Likewise. Simplify hashing SSA names.
9602 (bitmap_insert_into_set_1): Take value-id as parameter.
9603 (add_to_value): Pass it.
9604 (bitmap_insert_into_set): Likewise.
9605 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
9607 2010-01-04 Jakub Jelinek <jakub@redhat.com>
9610 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
9611 (do_self_spec): For switches with SWITCH_IGNORE set set also
9612 SWITCH_IGNORE_PERMANENTLY.
9613 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
9616 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
9618 * lto-streamer-out.c (output_unreferenced_globals): Output the full
9619 tree of an unreferenced global var.
9621 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9624 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
9625 GTU to GT for V4SI and V2DI.
9627 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
9628 (umin<mode>3): Removed.
9630 (uminv4si3): Likewise.
9632 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
9635 * collect2.c (main): Turn on trace in collect2 if -v is passed
9638 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
9640 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
9641 description of expression operand.
9643 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
9645 * configure.ac: Add install-html to target_list for Make-hooks.
9646 * configure: Regenerate.
9647 * fortran/Make-lang.in (F95_HTMLFILES): New.
9648 (fortran.html): Use it.
9649 (fortran.install-html): New.
9650 * Makefile.in (install-html): Add lang.install-html.
9651 * java/Make-lang.in (JAVA_HTMLFILES): New.
9652 (java.html): Use it.
9653 (java.install-html): New.
9654 * objc/Make-lang.in (objc.install-html): New.
9655 * objcp/Make-lang.in (obj-c++.install-html): New.
9656 * cp/Make-lang.in (c++.install-html): New.
9657 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
9658 * lto/Make-lang.in (lto.install-html): New.
9660 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9663 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
9665 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
9667 PR rtl-optimization/41862
9668 * store-motion.c (store_killed_in_insn, compute_store_table,
9669 remove_reachable_equiv_notes, replace_store_insn,
9670 build_store_vectors): Ignore all DEBUG_INSNs.
9672 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
9675 * common.opt: Add dumpdir.
9677 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
9679 (option_map): Add --dumpdir.
9681 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
9683 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
9685 * opts.c (decode_options): Try dump_dir_name first if
9686 dump_base_name isn't an absolute path.
9687 (common_handle_option): Handle OPT_dumpdir.
9689 * toplev.c (dump_dir_name): New.
9690 (print_switch_values): Also ignore -dumpdir.
9692 * toplev.h (dump_dir_name): New.
9694 2010-01-03 Richard Guenther <rguenther@suse.de>
9696 PR tree-optimization/42589
9697 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
9698 double-word expansion of bswap32.
9700 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
9702 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
9703 with BLOCK_FOR_INSN.
9704 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
9705 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
9706 noce_process_if_block): Likewise.
9707 * gcse.c (compute_local_properties, insert_expr_in_table,
9708 insert_set_in_table, canon_list_insert, find_avail_set,
9709 pre_insert_copy_insn): Likewise.
9711 * basic-block.h (BLOCK_NUM): Move from here...
9712 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
9714 2010-01-03 Richard Guenther <rguenther@suse.de>
9716 PR tree-optimization/42438
9717 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
9718 contains_may_not_return_call flag.
9719 (BB_MAY_NOTRETURN): New.
9720 (valid_in_sets): Trapping nary operations are not valid
9721 in blocks that may not return.
9722 (insert_into_preds_of_block): Remove check for trapping expressions.
9723 (compute_avail): Compute also BB_MAY_NOTRETURN.
9725 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
9727 * doc/invoke.texi: Add 2010 to copyright years.
9729 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
9731 * config/sparc/sparc.c: Fix formatting nits.
9733 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
9734 Alexander Monakov <amonakov@ispras.ru>
9736 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
9738 2010-01-02 Richard Guenther <rguenther@suse.de>
9741 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
9742 (simplify_switch_using_ranges): Mark to be removed edges
9745 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9747 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
9749 * collect2.c (scan_libraries): Add missing argument in call to
9752 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
9755 * config/alpha/predicates.md (aligned_memory_operand): Return false
9757 (unaligned_memory_operand): Return true for CQImode.
9758 * config/alpha/alpha.c (get_aligned_mem): Assert that location
9759 doesn not cross aligned SImode word boundary.
9761 2010-01-02 Anatoly Sokolov <aesok@post.ru>
9763 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
9765 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
9766 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
9768 2010-01-02 Richard Guenther <rguenther@suse.de>
9771 * toplev.c (compile_file): Emit LTO marker properly. Change
9773 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
9775 2010-01-01 Richard Guenther <rguenther@suse.de>
9778 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
9780 2010-01-01 Richard Guenther <rguenther@suse.de>
9783 * c-decl.c (grokdeclarator): For zero-size arrays force
9784 structural equality checks as layout_type does.
9786 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9788 * builtins.c: Update copyright to 2010.
9790 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
9793 * lto-streamer-out.c (produce_asm): Revert the last change.
9794 (copy_function): Likewise.
9796 * lto-streamer.c (lto_get_section_name): Skip any leading
9799 2010-01-01 Richard Guenther <rguenther@suse.de>
9802 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
9806 Copyright (C) 2010 Free Software Foundation, Inc.
9808 Copying and distribution of this file, with or without modification,
9809 are permitted in any medium without royalty provided the copyright
9810 notice and this notice are preserved.