1 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
4 * lto-streamer-out.c (output_gimple_stmt): Output number of labels
6 * lto-streamer-in.c (input_gimple_stmt): Read number of labels
9 2010-05-18 Jakub Jelinek <jakub@redhat.com>
12 * var-tracking.c (find_loc_in_1pdv): Add a few checks from
15 2010-05-18 Steven Bosscher <steven@gcc.gnu.org>
17 * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
18 lto-macho as lto_binary_reader.
20 * darwin.c (darwin_asm_named_section): Do not add assembler comment
21 after .section directive; just print it before the directive instead.
23 2010-05-17 Jan Hubicka <jh@suse.cz>
25 * cgraph.c (cgraph_create_virtual_clone): Only check
26 versionable_function_p when not in wpa and checking is enabled.
27 * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
28 there are no more functions to materialize.
30 2010-05-17 Jan Hubicka <jh@suse.cz>
32 * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
33 * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
35 (output_cgraph): Call output_cgraph_opt_summary.
36 (input_cgrpah): Call input_cgraph_opt_summary.
37 (output_cgraph_opt_summary_p, output_node_opt_summary,
38 input_node_opt_summary, input_cgraph_opt_section): New functions.
39 * lto-section-in.c (lto_section_name): Add cgraphopt.
40 * tree-inline.c (tree_function_versioning): Handle parm_num.
41 * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
42 * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
44 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
46 * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
47 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
48 the insn to prefetch ratio heuristic to loops with known trip count.
50 2010-05-17 Changpeng Fang <changpeng.fang@amd.com>
52 * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
53 (schedule_prefetches): Do not generate a prefetch if the unroll factor
54 is far from what is required by the prefetch.
56 2010-05-17 Jan Hubicka <jh@suse.cz>
58 * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
59 (ipcp_estimate_growth): Likewise.
60 (ipcp_const_param_count): Likewise.
61 (ipcp_insert_stage): Likewise.
62 * ipa-prop.c (visit_load_for_mod_analysis): New function.
63 (visit_store_addr_for_mod_analysis): Set used flag.
64 (ipa_detect_param_modifications): Set used flag for SSE params;
65 update use of walk_stmt_load_store_addr_ops.
66 (ipa_print_node_params): Print used flag.
67 (ipa_write_node_info): Stream used flag.
68 (ipa_read_node_info): Likewise.
69 * ipa-prop.h (struct ipa_param_descriptor): Add used field.
70 (ipa_is_param_used): New function.
71 (lto_ipa_fixup_call_notes): Remove unused declaration.
73 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
76 * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
77 * configure: Regenerate.
78 * config.in: Regenerate.
79 * config/i386/i386.c (print_operand) <case ;>: Also print ; if
80 !HAVE_AS_IX86_REP_LOCK_PREFIX.
81 Don't emit whitespace.
82 * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
83 (*rep_movsi): Likewise.
84 (*rep_movsi_rex64): Likewise.
85 (*rep_movqi): Likewise.
86 (*rep_movqi_rex64): Likewise.
87 (*rep_stosdi_rex64): Likewise.
88 (*rep_stossi): Likewise.
89 (*rep_stossi_rex64): Likewise.
90 (*rep_stosqi): Likewise.
91 (*rep_stosqi_rex64): Likewise.
92 (*cmpstrnqi_nz_1): Use {%;} after repz.
93 (*cmpstrnqi_nz_rex_1): Likewise.
94 (*cmpstrnqi_1): Likewise.
95 (*cmpstrnqi_rex_1): Likewise.
96 (*strlenqi_1): Use {%;} after repnz.
97 (*strlenqi_rex_1): Likewise.
98 * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
99 (*sync_compare_and_swap<mode>): Likewise.
100 (sync_double_compare_and_swap<mode>): Likewise.
101 (*sync_double_compare_and_swapdi_pic): Likewise.
102 (sync_old_add<mode>): Likewise.
103 (sync_add<mode>): Likewise.
104 (sync_sub<mode>): Likewise.
105 (sync_<code><mode>): Likewise.
107 2010-05-17 Martin Jambor <mjambor@suse.cz>
109 * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
110 otr_token and polymorphic.
111 * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
112 (cgraph_clone_edge): Copy the above fields.
113 * tree.c (get_binfo_at_offset): New function.
114 * tree.h (get_binfo_at_offset): Declare.
115 * ipa-prop.h (enum jump_func_type): Added known_type jump function
116 type, reordered items, updated comments.
117 (union jump_func_value): Added base_type field, reordered fields.
118 (enum ipa_lattice_type): Moved down in the file.
119 (struct ipa_param_descriptor): New field polymorphic.
120 (ipa_is_param_polymorphic): New function.
121 * ipa-prop.c: Include gimple.h and gimple-fold.h.
122 (ipa_print_node_jump_functions): Print known type jump functions.
123 (compute_complex_pass_through): Renamed to...
124 (compute_complex_assign_jump_func): this.
125 (compute_complex_ancestor_jump_func): New function.
126 (compute_known_type_jump_func): Likewise.
127 (compute_scalar_jump_functions): Create known type and complex ancestor
129 (ipa_note_param_call): New parameter polymorphic, set the corresponding
130 flag in the call note accordingly.
131 (ipa_analyze_call_uses): Renamed to...
132 (ipa_analyze_indirect_call_uses): this. New parameter target, define
133 variable var only in the block where it is used.
134 (ipa_analyze_virtual_call_uses): New function.
135 (ipa_analyze_call_uses): Likewise.
136 (combine_known_type_and_ancestor_jfs): Likewise.
137 (update_jump_functions_after_inlining): Implemented handling of a
138 number of new jump function types combination.
139 (print_edge_addition_message): Removed.
140 (make_edge_direct_to_target): New function.
141 (try_make_edge_direct_simple_call): Likewise.
142 (try_make_edge_direct_virtual_call): Likewise.
143 (update_call_notes_after_inlining): Renamed to...
144 (update_indirect_edges_after_inlining): this. Moved edge creation for
145 indirect calls to try_make_edge_direct_simple_call, also calls
146 try_make_edge_direct_virtual_call for virtual calls.
147 (ipa_print_node_params): Changed the header message.
148 (ipa_write_jump_function): Stream also known type jump functions.
149 (ipa_read_jump_function): Likewise.
150 (ipa_write_indirect_edge_info): Stream new fields in
151 cgraph_indirect_call_info.
152 (ipa_read_indirect_edge_info): Likewise.
153 * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
156 2010-05-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
158 * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
160 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
162 * tree.h (CALL_EXPR_ARGS): Delete.
163 (call_expr_arglist): Delete.
164 * tree.c (call_expr_arglist): Delete.
165 * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
166 targetm.fold_builtin.
167 * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
168 Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
169 * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
170 arglist parameter. Use CALL_EXPR_ARG.
171 (picochip_expand_builtin_3op): Likewise.
172 (picochip_expand_builtin_2opvoid): Likewise.
173 (picochip_expand_array_get): Likewise.
174 (picochip_expand_array_put): Likewise.
175 (picochip_expand_array_testport): Likewise.
176 (picochip_expand_builtin): Don't call CALL_EXPR_ARGS. Pass exp
178 * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
180 * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
181 than TREE_VALUE and TREE_CHAIN.
182 * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
183 * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
186 2010-05-17 Jakub Jelinek <jakub@redhat.com>
189 * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
190 to have no fallthru edge.
193 * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
194 bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
195 mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
196 add BARRIER after previous bb if needed.
198 2010-05-17 Nathan Froyd <froydnj@codesourcery.com>
200 * tree.c (build_function_type_list_1): Remove bogus assert condition.
202 2010-05-17 Alan Modra <amodra@gmail.com>
204 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
205 unnecessary prototype. Replace copy_r12 and copy_r11 flag params
206 with copy_reg rtx param.
207 (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
208 Correct cases where code for ABI_V4 did not initialise the reg
209 used to access frame. Also leave frame_reg_rtx as sp for large
210 frames that save no regs.
212 2010-05-17 Martin Jambor <mjambor@suse.cz>
215 * tree-sra.c (create_access_replacement): New parameter rename, mark
216 the replaement for renaming only when it is true.
217 (get_access_replacement): Pass true in the rename parameter of
218 create_access_replacement.
219 (get_unrenamed_access_replacement): New function.
220 (replace_uses_with_default_def_ssa_name): New parameter racc, get the
221 replacement declaration from it.
223 2010-05-17 Bernd Schmidt <bernds@codesourcery.com>
225 * function.c (try_fit_stack_local, add_frame_space): New static
227 (assign_stack_local_1): Use them. Look for opportunities to use
228 space previously wasted on alignment.
229 * function.h (struct frame_space): New.
230 (struct rtl_data): Add FRAME_SPACE_LIST member.
231 * reload1.c (something_was_spilled): New static variable.
233 (reload): Test it in addition to testing if the frame size changed.
235 2010-05-17 Christian Borntraeger <borntraeger@de.ibm.com>
237 * config/s390/s390.c: Define sane prefetch settings and activate
238 flag_prefetch_loop_arrays on -O3.
239 * config/s390/s390.h: Declare that read can use write prefetch.
241 2010-05-17 Jakub Jelinek <jakub@redhat.com>
243 * lto-streamer-out.c (lto_output): Fix --enable-checking=release
246 2010-05-16 Jan Hubicka <jh@suse.cz>
248 * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
249 function body; do not check stdarg field of struct function.
251 2010-05-16 Jan Hubicka <jh@suse.cz>
253 * cgraph.c (dump_cgraph_node): Dump versionable flag.
254 * cgraph.h (cgraph_local_info): Add versionable flag.
255 * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
256 (ipcp_versionable_function_p): Use it.
257 * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
260 2010-05-16 Jan Hubicka <jh@suse.cz>
262 * cgraph.c (cgraph_clone_node): Take decl argument and insert
263 clone into hash when it is different from orig.
264 (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
265 * cgraph.h (cgraph_clone_node): Update prototype.
266 * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
267 (lto_cgraph_encoder_delete): Delete body map.
268 (lto_cgraph_encoder_size): Move to header.
269 (lto_cgraph_encoder_encode_body_p,
270 lto_set_cgraph_encoder_encode_body): New.
271 (lto_output_node): Do not take written_decls argument; output clone_of
273 (add_node_to): Add include_body_argument; call
274 lto_set_cgraph_encoder_encode_body on master of the clone.
275 (add_references): Update use of add_node_to.
276 (compute_ltrans_boundary): Likewise.
277 (output_cgraph): Do not create written_decls bitmap.
278 (input_node): Take nodes argument; stream in clone_of correctly.
279 (input_cgraph_1): Update use of input_node.
280 * lto-streamer-out.c (lto_output): Use encoder info to decide
281 what bodies to output.
282 * ipa-inline.c (cgraph_clone_inlined_nodes,
283 cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
284 * lto-streamer.h (lto_cgraph_encoder_d): Add body.
285 (lto_cgraph_encoder_size): Define here.
286 (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
289 2010-05-16 Richard Guenther <rguenther@suse.de>
291 * doc/invoke.texi (-fipa-struct-reorg): Do not mention
293 * ipa-type-escape.c (gate_type_escape_vars): Run when
294 -fipa-struct-reorg runs.
295 * opts.c (decode_options): Do not unset flag_ipa_type_escape.
296 * common.opt (fipa-type-escape): Remove.
298 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
300 * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
301 (decode_options): Likewise.
302 * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
304 2010-05-16 Jan Hubicka <jh@suse.cz>
306 * ipa.c (function_and_variable_visibility): Also bring local all
309 2010-05-16 Richard Guenther <rguenther@suse.de>
311 * alias.c (nonoverlapping_memrefs_p): Remove use of
312 IPA type-escape information.
314 2010-05-16 Joseph Myers <joseph@codesourcery.com>
316 * c-common.c (c_common_reswords): Add _Static_assert for C.
317 * c-parser.c (c_token_starts_declaration,
318 c_parser_next_token_starts_declaration,
319 c_parser_static_assert_declaration_no_semi,
320 c_parser_static_assert_declaration): New.
321 (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
322 Handle static assertions if static_assert_ok.
323 (c_parser_external_declaration, c_parser_declaration_or_fndef,
324 c_parser_compound_statement_nostart, c_parser_label,
325 c_parser_for_statement, c_parser_objc_methodprotolist,
326 c_parser_omp_for_loop): All callers of
327 c_parser_declaration_or_fndef changed.
328 (c_parser_struct_declaration): Handle static assertions.
329 (c_parser_compound_statement_nostart): Use
330 c_parser_next_token_starts_declaration and
331 c_token_starts_declaration to detect start of declarations.
332 (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
335 2010-05-16 Anatoly Sokolov <aesok@post.ru>
337 * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
338 LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
339 * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
340 TARGET_FUNCTION_VALUE_REGNO_P): Define.
341 (mmix_function_outgoing_value): Rename to...
342 (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
343 (mmix_function_value_regno_p): Make static.
344 (mmix_libcall_value): New function.
345 * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
346 mmix_function_value_regno_p): Remove declaration.
348 2010-05-16 Eric Botcazou <ebotcazou@adacore.com>
350 * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
351 BUILT_IN_ALLOCA if stack checking is enabled.
353 2010-05-16 Richard Guenther <rguenther@suse.de>
355 * var-tracking.c (vars_copy_1): Inline ...
356 (vars_copy): ... here. Use FOR_EACH_HTAB_ELEMENT.
357 (variable_union): Use FOR_EACH_HTAB_ELEMENT. Merge asserts.
358 (variable_merge_over_cur): Adjust. Merge asserts.
359 (variable_merge_over_src): Likewise.
360 (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
361 (variable_post_merge_new_vals): Merge asserts.
362 (variable_post_merge_perm_vals): Likewise.
363 (find_mem_expr_in_1pdv): Likewise.
364 (dataflow_set_different_value): Remove.
365 (onepart_variable_different_p): Merge asserts.
366 (variable_different_p): Likewise.
367 (dataflow_set_different_1): Inline ...
368 (dataflow_set_different): ... here. Use FOR_EACH_HTAB_ELEMENT.
369 (emit_notes_for_differences_1): Merge asserts.
371 2010-05-16 Richard Guenther <rguenther@suse.de>
373 * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
374 * optabs.c (libfunc_decl_hash): Likewise.
375 * varasm.c (emutls_decl): Likewise.
377 2010-05-16 Steven Bosscher <steven@gcc.gnu.org>
379 * c-decl.c: Don't include gimple.h.
380 (merge_decls): Do not copy gimple_body.
382 2010-05-15 Jason Merrill <jason@redhat.com>
384 * c.opt: Add -fnothrow-opt.
386 2010-05-15 Jan Hubicka <jh@suse.cz>
388 * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
390 * passes.c (ipa_write_summaries): Write all analyzed nodes.
392 2010-05-15 Steven Bosscher <steven@gcc.gnu.org>
394 * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
395 * Makefile.in: Add it.
396 Fix all other Makefile dependencies for changes below.
397 * tree.h: Include it instead of defining VEC primitives here.
398 * gimple.h: Likewise.
400 * tree-inline.h: Inlclude vecir.h instead of gimple.h.
401 * except.h: Include vecir.h, break dependence on tree.h.
403 * gimplify.c (append_to_statement_list_1, append_to_statement_list):
405 * tree-iterator.c: ...to here.
406 * tree-iterator.h: Fix file introduction comment. Add extern markers.
408 * c-lex.c: Include fixed-value.h instead of rtl.h. Do not include
410 * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
411 * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
412 integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
413 tree-mudflap.h, and target.h.
414 * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
415 predict.h, tree-inline.h, gimple.h, and langhooks.h.
416 * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
417 Add FIXME for why gimple.h is still included (should be unnecessary
418 since GCC 4.5 gimplification unit-at-a-time).
419 * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
420 * c-pragma.c: Add FIXME for why function.h needs to be included just
421 for cfun, at front-end level.
422 Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
423 Do not include ggc.h, but include vecprim.h for VEC(char).
424 * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
425 Explain why target.h is included.
426 * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
427 Explain why gimple.h is included.
428 * c-ppoutput.c: Do not include tm.h.
429 * c-common.c: Do not include gimple.h. Explain why expr.h is included.
430 * c-parses.c: Explain why rtl.h is included, and that this (and only
431 this) is also why tm.h must be included.
432 Do not include except.h.
433 * c-lang.c: Do not include ggc.h.
435 2010-05-15 Uros Bizjak <ubizjak@gmail.com>
437 * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
439 2010-05-15 Joseph Myers <joseph@codesourcery.com>
441 * c-decl.c (grokfield): Allow typedefs for anonymous structs and
442 unions by default if those structs and unions have no tags. Do
443 not condition anonymous struct and unions handling on flag_iso.
444 Allow anonymous structs and unions for C1X.
445 (finish_struct): Do not diagnose lack of named fields when
446 anonymous structs and unions present for C1X. Accept flexible
447 array members in structure with anonymous structs or unions but no
448 directly named fields.
449 * doc/extend.texi (Unnamed Fields): Update.
451 2010-05-15 Eric Botcazou <ebotcazou@adacore.com>
453 * gimple.h (compare_field_offset): Rename into...
454 (gimple_compare_field_offset): ...this.
455 * gimple.c (compare_field_offset): Rename into...
456 (gimple_compare_field_offset): ...this. Compare the full access if
457 the offset is self-referential.
458 (gimple_types_compatible_p): Adjust for above renaming.
459 * lto-streamer-in.c (input_gimple_stmt): Likewise. Also compare the
460 DECL_NONADDRESSABLE_P flag of fields before merging them.
462 2010-05-15 Nathan Froyd <froydnj@codesourcery.com>
464 * tree.h (ctor_to_list): Delete.
465 * tree.c (ctor_to_list): Delete.
467 2010-05-15 Jan Hubicka <jh@suse.cz>
469 * ipa-reference.c: Include toplev.h
470 (is_proper_for_analysis): Only add to all_module_statics
472 (write_node_summary_p, stream_out_bitmap,
473 ipa_reference_write_optimization_summary,
474 ipa_reference_read_optimization_summary): New.
475 (struct ipa_opt_pass_d pass_ipa_reference): Add
476 optimization summary streaming.
477 * lto-cgraph.c (referenced_from_this_partition_p,
478 reachable_from_this_partition_p): New functions.
479 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
480 call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
481 * opts.c (decode_options): Enable ipa_reference.
482 * Makefile.in (ipa-reference.o): Add toplev.h dependency.
483 * lto-streamer.h (referenced_from_this_partition_p,
484 reachable_from_this_partition_p): Declare.
486 2010-05-15 Richard Guenther <rguenther@suse.de>
488 PR tree-optimization/44038
489 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
490 taking the address of a V_C_E of a constant.
492 2010-05-14 Jan Hubicka <jh@suse.cz>
494 * tree.h (memory_identifier_string): Remove.
495 * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
496 (ipa_reference_global_vars_info_d): Remove statics_not_read and
498 (ipa_reference_optimization_summary_d): New structure.
499 (ipa_reference_optimization_summary_t): New type and vector.
500 (ipa_reference_vars_info_d): Embedd structures instead of using
502 (reference_vars_to_consider): Remove out of GGC space.
503 (module_statics_escape): Remove.
504 (global_info_obstack): Rename to ...
505 (optimization_summary_obstack): ... this one.
506 (initialization_status_t): Remove.
507 (memory_identifier_string): Remove.
508 (get_reference_vars_info): Fix indenting.
509 (set_reference_vars_info): Likewise.
510 (get_reference_optimization_summary): New.
511 (set_reference_optimization_summary): New.
512 (get_global_reference_vars_info): Remove.
513 (ipa_reference_get_read_global): Remove.
514 (ipa_reference_get_written_global): Remove.
515 (ipa_reference_get_not_read_global): Update.
516 (ipa_reference_get_not_written_global): Update.
517 (is_proper_for_analysis): Outlaw addressable.
518 (propagate_bits): Update for new datastructures.
519 (analyze_variable): Remove.
520 (init_function_info): Update for new datastructures.
521 (clean_function_local_data): Remove.
522 (clean_function): Remove.
523 (copy_global_bitmap): Use optimizations_summary_obstack.
524 (duplicate_node_data): Duplicate optimization summary only.
525 (remove_node_data): Remove optimization summary only.
526 (generate_summary): Do not analyze variables; do not compute
527 module_statics_escape; do not prune solutions by it.
528 (read_write_all_from_decl): Fix typos in comments.
529 (propagate): Doscover readonly and nonaddressable first;
530 update for new datastructures; share global bitmaps.
531 * ipa-reference.h (ipa_reference_get_read_global,
532 ipa_reference_get_written_global): Remove.
533 * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
534 * Makefile.in: Remove ipa-refereference from GT files.
536 2010-05-14 Jakub Jelinek <jakub@redhat.com>
539 * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
540 for all SYMBOL_REF_DECLs.
542 2010-05-14 Jan Hubicka <jh@suse.cz>
544 * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
545 (varpool_all_refs_explicit_p): New inline function.
546 * ipa-reference.c: Update comment.
547 (module_statics_written): Remove.
548 (get_static_decl): Remove.
549 (ipa_init): Do not initialize module_statics_written.
550 (analyze_function): Likewise.
551 (generate_summary): Likewise; do not compute module_statics_readonly
552 and do not update variable flags.
553 (propagate): Call ipa_discover_readonly_nonaddressable_vars.
554 * ipa.c: Inlucde flags.h
555 (cgraph_local_node_p): New.
556 (cgraph_remove_unreachable_nodes): Return early when not optimizing;
557 promote functions to local.
558 (ipa_discover_readonly_nonaddressable_vars): New function.
559 (function_and_variable_visibility): Use cgraph_local_node_p.
560 * varpool.c (varpool_finalize_decl): Set force_output for
561 DECL_PRESERVE_P vars.
563 2010-05-14 Jan Hubicka <jh@suse.cz>
565 * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
567 2010-05-14 Richard Guenther <rguenther@suse.de>
569 PR tree-optimization/44119
570 * tree-ssa-pre.c (eliminate): Properly mark replacement of
571 a PHI node necessary.
573 2010-05-14 Eric Botcazou <ebotcazou@adacore.com>
575 * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
577 2010-05-14 Jason Merrill <jason@redhat.com>
580 * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
581 (gimple_call_set_nothrow): New.
582 * gimple.c (gimple_build_call_from_tree): Call it.
583 (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
586 * gimplify.c (gimplify_seq_add_stmt): No longer static.
587 * gimple.h: Declare it.
588 * gimple.c (gimple_build_eh_filter): No ops.
590 2010-05-14 Jan Hubicka <jh@suse.cz>
592 * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
593 nodes already in queue.
594 (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
597 2010-05-14 Jakub Jelinek <jakub@redhat.com>
600 * cfgexpand.c (expand_debug_expr): If non-memory op0
601 has BLKmode, return NULL.
603 2010-05-14 Harsha Jagasia <harsha.jagasia@amd.com>
605 * config.gcc: Add support for --with-cpu option for bdver1.
606 * config/i386/i386.h (TARGET_BDVER1): New macro.
607 (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
608 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
609 (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
610 to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
611 Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
612 (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
613 (processor_type): Add PROCESSOR_BDVER1.
614 * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
615 processor_type in config/i386/i386.h.
616 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
617 movaps <reg, reg> instead of movapd <reg, reg> when replacing
618 movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
619 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
620 to emit packed xor instead of packed double/packed integer
621 xor for SSE and AVX when moving a zero value.
622 * config/i386/sse.md: Add check for
623 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
624 movapd/movdqa for SSE and AVX.
625 Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
626 single logical operations i.e and, or and xor instead of packed double
627 logical operations for SSE and AVX.
628 * config/i386/i386-c.c (ix86_target_macros_internal):
629 Add PROCESSOR_BDVER1.
630 * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
631 (has_fma4, has_xop): New.
632 * config/i386/i386.c (bdver1_cost): New variable.
633 (m_BDVER1): New macro.
634 (m_AMD_MULTIPLE): Add m_BDVER1.
635 (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
636 x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
637 x86_tune_use_simode_fiop, x86_tune_promote_qimode,
638 x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
639 x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
640 x86_tune_sse_partial_reg_dependency,
641 x86_tune_sse_unaligned_load_optimal,
642 x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
643 x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
644 x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
645 x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
646 x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
647 Enable/disable for bdver1.
648 (processor_target_table): Add bdver1_cost.
649 (cpu_names): Add bdver1.
650 (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
651 processor_alias_table.
652 (ix86_expand_vector_move_misalign): Change.
653 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
654 Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
655 Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
656 of movupd/movdqu for SSE and AVX.
657 (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
658 (ix86_tune_adjust_cost): Add code for bdver1.
659 (standard_sse_constant_opcode): Add check for
660 TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
661 of packed double xor for SSE and AVX.
663 2010-05-14 Pat Haugen <pthaugen@us.ibm.com>
665 * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
668 2010-05-14 Tristan Gingold <gingold@adacore.com>
670 * toplev.c (default_debug_hooks): Remove this variable.
671 (process_options): Remove assignments to default_debug_hooks.
673 2010-05-14 Martin Jambor <mjambor@suse.cz>
675 * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
676 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
677 * langhooks.h (struct lang_hooks_for_decls): Removed field
679 * tree.c (free_lang_data): Remove assignment to
680 lang_hooks.fold_obj_type_ref.
681 * tree.def (OBJ_TYPE_REF): Update comment.
683 2010-05-14 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/44124
686 * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
688 2010-05-14 Alan Modra <amodra@gmail.com>
691 * config/rs6000/rs6000.c (struct machine_function): Reorder
692 fields for better packing. Add lr_save_state.
693 (rs6000_ra_ever_killed): Return lr_save_state if set.
694 (rs6000_emit_eh_reg_restore): Set lr_save_state.
696 2010-05-13 Jan Hubicka <jh@suse.cz>
698 * varpool.c (decide_is_variable_needed): Drop code checking
699 TREE_SYMBOL_REFERENCED.
701 2010-05-13 Jan Hubicka <jh@suse.cz>
703 * final.c (output_addr_const): Do not call mark_decl_referenced.
704 * cgraphunit.c (process_function_and_variable_attributes): Use
705 mark_needed_node dirrectly.
706 (assemble_thunk): Do not call mark_decl_referenced.
708 2010-05-13 Anatoly Sokolov <aesok@post.ru>
710 * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
712 2010-05-13 Jeff Law <law@redhat.com>
714 * ira-conflicts.c (print_allocno_conflicts): New function broken out
716 (print_conflicts): Call print_allocno_conflicts.
718 2010-05-13 Jakub Jelinek <jakub@redhat.com>
721 * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
724 2010-05-13 Kai Tietz <kai.tietz@onevision.com>
726 * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
727 t-mingw-w64 or t-mingw-w32 for multilib configuration.
728 * config/i386/t-mingw-w32: New.
729 * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
731 2010-05-13 Martin Jambor <mjambor@suse.cz>
733 * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
735 * gimple-fold.c (get_base_binfo_for_type): New function.
736 (gimple_get_relevant_ref_binfo): Likewise.
737 (gimple_fold_obj_type_ref_known_binfo): Likewise.
738 (gimple_fold_obj_type_ref): Likewise.
739 (fold_gimple_call): Simplify condition for folding virtual calls
740 and call gimple_fold_obj_type_ref.
741 * gimple.h (gimple_get_relevant_ref_binfo): Declare.
742 (gimple_fold_obj_type_ref_known_binfo): Likewise.
744 2010-05-13 Andreas Schwab <schwab@linux-m68k.org>
746 * config/rs6000/rs6000-protos.h
747 (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
748 * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
749 (rs6000_debug_mode_dependent_address)
750 (rs6000_mode_dependent_address_ptr): Likewise.
752 2010-05-13 Jakub Jelinek <jakub@redhat.com>
755 * var-tracking.c (track_expr_p): Allow tracking of variables optimized
757 * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
758 * tree-sra.c (create_access_replacement): Call unshare_expr before
759 passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
760 * dwarf2out.c: Include tree-flow.h.
761 (struct var_loc_node): Rename var_loc_note field to loc, add comment.
762 (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
763 Handle DW_OP_bit_piece.
764 (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
765 construct_piece_list, adjust_piece_list): New functions.
766 (add_var_loc_to_decl): Handle SRA optimized variables.
767 Adjust for var_loc_note to loc field renaming.
768 (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
769 in VAR_LOCATION note.
770 (new_loc_descr_op_bit_piece): New function.
771 (dw_sra_loc_expr): New function.
772 (dw_loc_list): Use it. Don't handle the last range after the
773 loop, handle it inside of the loop. Adjust for var_loc_note
774 to loc field renaming.
775 (add_location_or_const_value_attribute): Only special case
776 single entry loc lists if loc is NOTE_P. Adjust for
777 var_loc_note to loc field renaming.
778 (dwarf2out_var_location): Don't set newloc->var_loc_note
779 and newloc->next here.
781 2010-05-12 Jan Hubicka <jh@suse.cz>
783 * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
785 * cgraph.h (cgraph_only_called_directly_p,
786 cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
787 (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
788 * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
790 * ipa.c (cgraph_remove_unreachable_nodes): Use
791 cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
793 * tree-inline.c (copy_bb): Check address_taken flag.
794 * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
795 externally_visible flag.
797 2010-05-12 Jason Merrill <jason@redhat.com>
801 * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
802 * sdbout.c (plain_type_1): Likewise.
803 * dwarf2out.c (is_base_type): Likewise.
804 (gen_type_die_with_usage): Likewise. Generate
805 DW_TAG_unspecified_type for any LANG_TYPE.
807 2010-05-12 Jan Hubicka <jh@suse.cz>
809 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
811 * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
812 (cgraph_clone_edge): Update.
813 (cgraph_node_remove_callees): Remove indirect calls too.
814 * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
815 (cgraph_create_indirect_edge): Update prototype.
816 * ipa-reference.c (has_proper_scope_for_analysis): Rename to
817 is_proper_for_analysis.
818 (add_new_function, visited_nodes, function_insertion_hook_holder,
819 get_local_reference_vars_info, mark_address_taken, mark_address,
820 mark_load, mark_store, check_asm_memory_clobber, check_call,
821 scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
822 (ipa_init): Do not initialize visited_nodes;
823 function_insertion_hook_holder.
824 (analyze_variable): Rewrite.
825 (analyze_function): Rewrite.
826 (copy_local_bitmap): Remove.
827 (duplicate_node_dat): Do not duplicate local info.
828 (generate_summary): Simplify to only walk cgraph.
829 (write_node_summary_p, ipa_reference_write_summary,
830 ipa_reference_read_summary): Remove.
831 (propagate): Do not remove function insertion;
833 (pass_ipa_reference): NULLify summary handling fields.
834 * lto-cgraph.c (lto_output_edge): Output ecf_flags.
835 (input_edge): Input ecf_flags.
836 * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
837 (update_indirect_edges_after_inlining): Ignore edges with unknown
840 2010-05-12 Sriraman Tallam <tmsriram@google.com>
842 * implicit-zee.c: New file.
843 * tree-pass.h (pass_implicit_zee): Declare.
844 * passes.c (init_optimization_passes): Add zee pass.
845 * common.opt (fzee): New flag.
846 * timevar.def (TV_ZEE): Define.
847 * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
849 * Makefile.in (implicit-zee.o): Add new build file.
851 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
852 Nathan Froyd <froydnj@codesourcery.com>
854 * c-common.c (sync_resolve_params): Remove write-only variable.
856 2010-05-12 Anatoly Sokolov <aesok@post.ru>
858 * target.h (struct gcc_target): Add mode_dependent_address_p field.
859 * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
860 (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
861 * targhooks.c (default_mode_dependent_address_p): New function.
862 * targhooks.h (default_mode_dependent_address_p): Declare function.
863 * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
864 (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
865 * recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
866 target hook. Change return type to bool.
867 * recog.h: (mode_dependent_address_p): Change return type to bool.
869 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
870 Nathan Froyd <froydnj@codesourcery.com>
872 * tree-mudflap.c (build_function_type_0, build_function_type_1,
873 build_function_type_2, build_function_type_3): Remove.
874 (mudflap_init): Use build_function_type_list.
876 2010-05-12 Kazu Hirata <kazu@codesourcery.com>
877 Nathan Froyd <froydnj@codesourcery.com>
879 * coverage.c (build_fn_info_value): Call build_constructor instead of
880 build_constructor_from_list.
881 (build_ctr_info_value): Likewise.
882 (build_gcov_info): Likewise.
884 2010-05-12 Nathan Froyd <froydnj@codesourcery.com>
886 * tree.c (build_constructor): Compute TREE_CONSTANT for the
887 resultant constructor.
888 (build_constructor_single): Don't set TREE_CONSTANT.
889 (build_constructor_from_list): Don't compute TREE_CONSTANT.
891 2010-05-12 Jan Hubicka <jh@suse.cz>
893 * cgraph.h (struct varpool_node): Add aux.
894 * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
895 * varpool.c (varpool_remove_node): Do not remove initializer.
896 (varpool_reset_queue): Export.
897 (varpool_finalize_decl): Volatile vars are forced to be output.
898 * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
900 * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
901 process_references, varpool_can_remove_if_no_refs): New functions.
902 (cgraph_remove_unreachable_nodes): Handle variables too.
904 2010-05-12 H.J. Lu <hongjiu.lu@intel.com>
907 * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
909 2010-05-12 Jakub Jelinek <jakub@redhat.com>
912 * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
913 change value of ORT_TASK.
914 (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
915 (omp_notice_threadprivate_variable): New function.
916 (omp_notice_variable): Call it for threadprivate variables.
917 If enclosing ctx is a task, print enclosing task rather than
918 enclosing parallel. Handle ORT_UNTIED_TASK like ORT_TASK.
919 (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
920 if task has untied clause.
923 * dwarf2out.c (base_type_die): Don't add name attribute here.
924 (modified_type_die): Instead of sizetype use
925 its underlying original type. If a DW_TAG_base_type doesn't
926 have name added, add __unknown__.
927 (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
928 always call force_type_die instead.
930 2010-05-12 Maxim Kuvyrkov <maxim@codesourcery.com>
932 * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
933 for __stack_chk_guard.
935 2010-05-11 Jakub Jelinek <jakub@redhat.com>
937 * c-opts.c (c_common_parse_file): If start_end_main_source_file,
938 don't call start_source_file debug hook here...
939 (finish_options): ... but here, after outputting predefined and
940 command line defines and undefs.
943 * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
945 * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
946 optimizing away empty bb with no successors, move over its
947 footer chain to fallthru predecessor.
948 * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
949 (rtl_split_edge): For asm goto call patch_jump_insn even if
950 splitting fallthru edge.
953 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
954 even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
955 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
956 * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
960 * c-parser.c (c_parser_expression): Mark LHS of a comma
961 expression as read if it is a decl, handled component or
962 COMPOUND_EXPR with that on the RHS.
963 * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
964 if it is a decl or handled component.
966 2010-05-11 Jan Hubicka <jh@suse.cz>
968 * lto-symtab.c (lto_symtab_free): New function.
969 * lto-streamer.h (lto_symtab_free): Declare.
971 2010-05-11 Jan Hubicka <jh@suse.cz>
973 * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
974 that if function is needed it is reachable.
975 (lto_output_node): See if it the function is reachable or referenced.
976 (output_cgraph): Update call of lto_output_node.
977 * lto-streamer.h (reachable_from_other_partition_p): Declare.
979 2010-05-11 Jan Hubicka <jh@suse.cz>
981 * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
984 2010-05-11 Jan Hubicka <jh@suse.cz>
986 PR tree-optimize/44063
987 * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
989 (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
991 (estimate_function_body_sizes): Compute sizes even when disregarding.
993 2010-05-11 Kai Tietz <kai.tietz@onevision.com>
995 * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
997 2010-05-11 Jan Hubicka <jh@suse.cz>
999 * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
1000 into every boundary.
1002 2010-05-11 Jan Hubicka <jh@suse.cz>
1004 * matrix-reorg.c (matrix_reorg): Rebuild edges.
1006 2010-05-11 Jan Hubicka <jh@suse.cz>
1008 * lto-streamer.c (lto_streamer_cache_add_to_node_array,
1009 lto_streamer_cache_delete): Put nodes into heap.
1010 * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
1013 2010-05-11 Jan Hubicka <jh@suse.cz>
1015 * cgraphbuild.c (cgraph_rebuild_references): New.
1016 * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
1018 * cgraph.h (cgraph_rebuild_references): Declare.
1019 * tree-inline.c (tree_function_versioning): Use it.
1020 * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
1022 2010-05-11 Jan Hubicka <jh@suse.cz>
1024 * cgraph.c: Include ipa-utils.h
1025 (cgraph_create_virtual_clone): Update references.
1026 * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
1028 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1030 * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
1031 prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
1034 2010-05-11 Christian Borntraeger <borntraeger@de.ibm.com>
1036 * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
1038 2010-05-11 Jakub Jelinek <jakub@redhat.com>
1040 * gcc.c (execute): For -### don't quote arguments that
1041 contain just alphanumerics and _/-. characters.
1042 * doc/invoke.texi: Document that change for -###.
1045 * df-problems.c (struct dead_debug): Add to_rescan field.
1046 (dead_debug_init): Clear to_rescan field.
1047 (dead_debug_finish): Rescan all debug insns in to_rescan
1048 bitmap and free the bitmap.
1049 (dead_debug_insert_before): Instead of rescanning debug insns
1050 immediately queue their rescanning until dead_debug_finish.
1051 (df_note_bb_compute): After dead_debug_add do continue instead
1054 2010-05-10 Jakub Jelinek <jakub@redhat.com>
1057 * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
1058 clear also INSN_REG_USE_LIST.
1060 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1062 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
1064 2010-05-10 Jan Hubicka <jh@suse.cz>
1066 * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
1069 2010-05-10 Jan Hubicka <jh@suse.cz>
1071 * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
1073 * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
1074 * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
1075 (lto_streamer_cache_create): Init alloc pool.
1076 (lto_streamer_cache_delete): Free alloc pool.
1077 * lto-streamer.h: Include alloc pool.
1078 (lto_streamer_cache_d): Use alloc pool.
1079 * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
1081 2010-05-10 Jan Hubicka <jh@suse.cz>
1083 * Makefile.in (cgraphbuild.o): Add dependency on except.h.
1084 * cgraphbuild.c: Include except.h
1085 (record_type_list, record_eh_tables): New function.
1086 (build_cgraph_edges, rebuild_cgraph_edges): Use it.
1088 2010-05-10 Jan Hubicka <jh@suse.cz>
1090 * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
1091 __frame_dummy_init_array_entry, force_to_data): Attribute as used
1094 2010-05-10 Michael Matz <matz@suse.de>
1096 * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
1097 (can_reassociate_p): Use FLOAT_TYPE_P.
1098 * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
1099 (vect_force_simple_reduction): ... this.
1100 * tree-parloops.c (gather_scalar_reductions): Use
1101 vect_force_simple_reduction.
1102 * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
1103 vect_is_simple_reduction, add modify argument, if true rewrite
1104 "a-b" into "a+(-b)".
1105 (vect_is_simple_reduction, vect_force_simple_reduction): New
1107 (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
1109 2010-05-10 H.J. Lu <hongjiu.lu@intel.com>
1110 Vladimir Makarov <vmakarov@redhat.com>
1112 PR rtl-optimization/44012
1113 * ira-build.c (remove_unnecessary_allocnos): Nullify
1114 regno_allocno_map of the removed allocno.
1116 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1118 * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
1120 * configure: Regenerate.
1122 2010-05-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1124 * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
1126 Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
1127 * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
1129 * configure: Regenerate.
1131 2010-05-10 Richard Guenther <rguenther@suse.de>
1133 * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
1134 marked if the entry identifier is marked.
1136 2010-05-10 Richard Guenther <rguenther@suse.de>
1138 * c-common.c (struct c_common_attributes): Add fnspec attribute.
1139 (handle_fnspec_attribute): New function.
1140 * gimple.h (gimple_call_return_flags): Declare.
1141 (gimple_call_arg_flags): Likewise.
1142 * gimple.c (gimple_call_arg_flags): New function.
1143 (gimple_call_return_flags): Likewise.
1144 * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
1146 (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
1148 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
1149 * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
1151 (make_heapvar_for): ... this new function.
1152 (handle_rhs_call): Handle fnspec attribute argument specifiers.
1153 (handle_lhs_call): Likewise.
1154 (find_func_aliases): Adjust.
1156 2010-05-10 Richard Guenther <rguenther@suse.de>
1158 PR tree-optimization/44050
1159 * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
1161 2010-05-10 Wei Guozhi <carrot@google.com>
1164 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
1166 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1169 * c-typeck.c (lookup_field): Take a type directly. Update
1171 (build_component_ref): Update call to lookup_field.
1172 (set_init_label): Use lookup_field to find initialized field.
1173 Handle returned list of fields like a sequence of designators.
1175 2010-05-09 Richard Guenther <rguenther@suse.de>
1178 * fold-const.c (tree_single_nonzero_warnv_p): Properly
1179 handle &FUNCTION_DECL.
1181 2010-05-09 Joseph Myers <joseph@codesourcery.com>
1184 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
1185 structures and unions recursively.
1186 (detect_field_duplicates): Move duplicate detection with a hash to
1187 detect_field_duplicates_hash. Always use a hash if anonymous
1188 structures or unions are present.
1189 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
1192 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
1195 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
1196 detect Atom, Core 2 and Core i7.
1198 2010-05-09 Richard Guenther <rguenther@suse.de>
1200 * gcc.c (store_arg): Handle temporary file deletion for
1203 2010-05-09 Richard Guenther <rguenther@suse.de>
1206 * ipa-inline.c (estimate_function_body_sizes): Return after
1207 disregarding inline limits.
1209 2010-05-09 Richard Guenther <rguenther@suse.de>
1211 * gcc.c (store_arg): Revert last change.
1213 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
1216 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
1217 (optimize_ops_list): Call it.
1219 2010-05-08 Richard Guenther <rguenther@suse.de>
1221 PR tree-optimization/44030
1222 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
1223 NECESSARY flag if we propagate from a inserted expression.
1225 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
1227 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
1228 domain types as equal if they are both PLACEHOLDER_EXPRs.
1230 2010-05-08 Richard Guenther <rguenther@suse.de>
1232 * lto-wrapper.c (run_gcc): Remove linker output from
1233 command line for LTRANS invocation.
1235 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1237 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
1238 lto-macho as lto_binary_reader.
1239 * target.h (struct gcc_target): New hooks lto_start and lto_end.
1240 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
1241 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
1242 in lto_start and lto_end calls.
1243 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
1245 (scan_prog_file): Update is_elf_or_coff call.
1246 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
1248 * collect2.c (main): Fix enum comparison.
1250 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
1252 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
1253 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
1254 and TARGET_ASM_LTO_END.
1255 * darwin.c: Include obstack.h and lto-streamer.h.
1256 (lto_section_names_offset, lto_section_names_obstack,
1257 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
1259 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
1260 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
1261 to a temporary file.
1262 (darwin_asm_lto_end): New function. Restore asm_out_file.
1263 (darwin_asm_named_section): For LTO sections, replace the name with
1264 the offset of the section name in a string table, and build this
1266 (darwin_file_start): Initialize global vars for LTO support.
1267 (darwin_file_end): If output to asm_out_file was redirected, append it
1268 to the proper asm_out_file here. Add the section names section.
1270 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
1272 * c-pragma.c (pending_weak_d, pending_weak): New.
1273 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
1274 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
1275 handle_pragma_weak): Update the uses of pending_weaks.
1277 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1279 PR documentation/44016
1280 * doc/standards.texi (Standards): Link to unversioned
1281 cxx0x_status.html page.
1283 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
1286 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
1287 in addition to TREE_USED, to avoid "set but unused" warnings.
1289 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1291 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
1292 (is_loop_prefetching_profitable): Do not insert prefetches
1293 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
1294 times the prefetch ahead distance.
1296 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1298 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
1299 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
1300 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
1303 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
1305 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
1306 a diagnostic info when the insn-to-mem ratio is too small.
1308 2010-05-07 Richard Guenther <rguenther@suse.de>
1310 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
1312 (store_arg): Queue temp_filename for deletion instead of
1315 2010-05-07 Richard Guenther <rguenther@suse.de>
1317 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
1318 (run_gcc): Handle LTRANS phase invocation.
1319 * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
1321 2010-05-07 Jakub Jelinek <jakub@redhat.com>
1323 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
1324 this is also meaningful on PARM_DECLs and RESULT_DECLs.
1326 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1328 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
1330 2010-05-07 Richard Guenther <rguenther@suse.de>
1332 PR tree-optimization/44020
1333 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
1334 code when PRE is not yet initialized.
1336 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1338 * config/mips/dbxmdebug.h: Remove.
1339 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
1341 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
1343 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
1344 with null pointer and also warn about ordered comparison of zero with
1347 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1349 * graphite-blocking.c
1350 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
1351 * graphite-clast-to-gimple.c
1352 (clast_to_gcc_expression): Same.
1353 (precision_for_value): Same.
1354 (precision_for_interval): Same.
1355 (gcc_type_for_interval): Same.
1356 (graphite_create_new_guard): Same.
1357 (compute_bounds_for_level): Same.
1358 (graphite_create_new_loop_guard): Same.
1359 * graphite-interchange.c
1360 (build_linearized_memory_access): Same.
1361 (pdr_stride_in_loop): Same.
1362 (memory_strides_in_loop_1): Same.
1363 (memory_strides_in_loop): Same.
1364 (extend_scattering): Same.
1365 (psct_scattering_dim_for_loop_depth): Same.
1366 (pbb_number_of_iterations): Same.
1368 (debug_iteration_domains): Same.
1370 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
1371 (ppl_set_inhomogeneous_gmp): Same.
1372 (ppl_strip_loop): Same.
1373 (ppl_lexico_compare_linear_expressions): Same.
1374 (ppl_read_polyhedron_matrix): Same.
1375 (ppl_max_for_le_pointset): Same.
1377 (ppl_read_polyhedron_matrix): Same.
1378 (tree_int_to_gmp): Same.
1379 (gmp_cst_to_tree): Same.
1380 (ppl_set_inhomogeneous): Same.
1381 (ppl_set_inhomogeneous_tree): Same.
1382 (ppl_set_coef): Same.
1383 (ppl_set_coef_tree): Same.
1384 * graphite-sese-to-poly.c
1385 (build_pbb_scattering_polyhedrons): Same.
1386 (build_scop_scattering): Same.
1387 (scan_tree_for_params_right_scev): Same.
1388 (scan_tree_for_params): Same.
1389 (find_params_in_bb): Same.
1390 (find_scop_parameters): Same.
1391 (add_upper_bounds_from_estimated_nit): Same.
1392 (build_loop_iteration_domains): Same.
1393 (add_condition_to_domain): Same.
1394 (pdr_add_memory_accesses): Same.
1396 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
1398 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
1399 CLooG's value_* macros to their respective mpz_* counterparts.
1400 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
1401 (graphite_create_new_loop_guard): Same.
1402 * graphite-interchange.c (build_linearized_memory_access): Same.
1403 (pdr_stride_in_loop): Same.
1404 (memory_strides_in_loop_1): Same.
1405 (1st_interchange_profitable_p): Same.
1406 * graphite-poly.c (extend_scattering): Same.
1407 (psct_scattering_dim_for_loop_depth): Same.
1408 (pbb_number_of_iterations): Same.
1409 (pbb_number_of_iterations_at_time): Same.
1410 * graphite-poly.h (new_1st_loop): Same.
1411 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
1412 (oppose_constraint): Same.
1413 (insert_constraint_into_matrix): Same.
1414 (ppl_set_inhomogeneous_gmp): Same.
1415 (ppl_set_coef_gmp): Same.
1416 (ppl_strip_loop): Same.
1417 (ppl_lexico_compare_linear_expressions): Same.
1418 (ppl_max_for_le_pointset): Same.
1419 (ppl_min_for_le_pointset): Same.
1420 (ppl_build_realtion): Same.
1421 * graphite-ppl.h (gmp_cst_to_tree): Same.
1422 (ppl_set_inhomogeneous): Same.
1423 (ppl_set_inhomogeneous_tree): Same.
1424 (ppl_set_coef): Same.
1425 (ppl_set_coef_tree): Same.
1426 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1427 (build_scop_scattering): Same.
1428 (add_value_to_dim): Same.
1429 (scan_tree_for_params_right_scev): Same.
1430 (scan_tree_for_params_int): Same.
1431 (scan_tree_for_params): Same.
1432 (find_params_in_bb): Same.
1433 (find_scop_parameters): Same.
1434 (add_upper_bounds_from_estimated_nit): Same.
1435 (build_loop_iteration_domains): Same.
1436 (create_linear_expr_from_tree): Same.
1437 (add_condition_to_domain): Same.
1438 (pdr_add_memory_accesses): Same.
1440 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
1441 Jason Merrill <jason@redhat.com>
1443 * c-common.c (c_common_reswords): Add nullptr.
1444 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
1445 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
1446 (gen_type_die_with_usage): Likewise.
1447 * dbxout.c (dbxout_type): Likewise.
1448 * sdbout.c (plain_type_1): Likewise.
1450 2010-05-06 Jason Merrill <jason@redhat.com>
1452 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
1453 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
1455 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
1457 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
1458 stripping WITH_SIZE_EXPR.
1459 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
1462 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1464 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
1465 list of obsolete configurations.
1466 Disabled check for obsolete configurations.
1467 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
1468 Removed support for previous versions.
1469 * config/mips/iris.h: Removed.
1470 * config/mips/iris5.h: Removed.
1471 * config/mips/iris6.h: Merged old iris.h contents.
1472 (TARGET_IRIX): Removed.
1473 (DRIVER_SELF_SPECS): Removed mabi=32.
1474 (IDENT_ASM_OP): Removed undef.
1475 (STARTFILE_SPEC): Removed mabi=32.
1476 (ENDFILE_SPEC): Likewise.
1477 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
1478 (MACHINE_TYPE): Update for IRIX 6.5.
1479 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
1480 TARGET_IRIX by TARGET_IRIX6.
1481 (mips_file_start): Likewise.
1482 (mips_output_external): Remove IRIX 5/6 O32 support.
1483 (mips_output_function_prologue): Likewise.
1484 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
1486 (TARGET_CPU_CPP_BUILTINS): Likewise.
1487 (TARGET_IRIX): Removed.
1488 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
1489 (MULTILIB_DIRNAMES): Removed 32.
1490 (MULTILIB_OSDIRNAMES): Removed ../lib.
1491 * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
1492 (Specific, mips-sgi-irix5): Document removal.
1493 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
1494 Remove references to older IRIX 6 releases and the O32 ABI.
1496 2010-05-06 Jakub Jelinek <jakub@redhat.com>
1499 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
1500 instead of DF_REF_REAL_REG.
1502 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
1505 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
1506 handling to still return true for x64 targets.
1508 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1510 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
1512 2010-05-06 Jan Hubicka <jh@suse.cz>
1514 PR tree-optimization/43791
1515 * ipa-inline.c (update_caller_keys): Remove bogus
1516 disregard_inline_limits check.
1518 2010-05-06 Michael Matz <matz@suse.de>
1520 PR tree-optimization/43984
1521 * tree-ssa-pre.c (inserted_phi_names): Remove.
1522 (inserted_exprs): Change to bitmap.
1523 (create_expression_by_pieces): Set bits, don't append to vector.
1524 (insert_into_preds_of_block): Don't handle inserted_phi_names.
1525 (eliminate): Don't look at inserted_phi_names, remove deleted
1526 insns from inserted_exprs.
1527 (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
1528 (init_pre, fini_pre): Allocate and free bitmaps.
1529 (execute_pre): Insert insns on edges before elimination.
1531 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
1533 * tree.c (initializer_zerop): Handle STRING_CST.
1535 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
1538 * doc/invoke.texi (Wimplicit): Document as C only.
1539 * opts.c (common_handle_option): Add argument kind.
1540 (handle_option): Rename as read_cmdline_option. Factor out code to...
1541 (handle_option): ... here. New.
1542 (handle_options): Rename as read_cmdline_options.
1543 (decode_options): Update call.
1544 (set_option): Use option index instead of option pointer. Classify
1545 diagnostics correctly.
1546 (enable_warning_as_error): Call handle_option.
1547 * opts.h (set_option): Update declaration.
1548 (handle_option): Declare.
1549 * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
1550 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
1551 * c-opts.c (set_Wimplicit): Delete.
1552 (c_family_lang_mask): New static constant.
1553 (c_common_handle_option): Add argument kind. Use handle_option
1554 instead of set_Wimplicit.
1555 (c_common_post_options): warn_implicit and warn_implicit_int
1556 are disabled by default.
1557 * c-common.c (warn_implicit): Do not define here.
1558 * c-common.h (warn_implicit): Do not declare here.
1559 (c_common_handle_option): Update declaration.
1560 * lto-opts.c (lto_reissue_options): Update call to set_option.
1562 2010-05-06 Richard Guenther <rguenther@suse.de>
1564 PR tree-optimization/43571
1565 * domwalk.c (walk_dominator_tree): Walk the dominator
1566 sons in more optimal order.
1568 2010-05-06 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/43934
1571 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
1572 (stmt_cost): Likewise.
1573 (extract_true_false_args_from_phi): New helper.
1574 (determine_max_movement): For PHI nodes verify we can hoist them
1575 and compute their cost.
1576 (determine_invariantness_stmt): Handle PHI nodes.
1577 (move_computations_stmt): Likewise. Hoist PHI nodes in
1578 if-converted form using COND_EXPRs.
1579 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
1580 (tree_ssa_lim): Likewise.
1581 * tree-flow.h (tree_ssa_lim): Adjust prototype.
1582 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
1584 2010-05-06 Richard Guenther <rguenther@suse.de>
1586 PR tree-optimization/43987
1587 * tree-ssa-structalias.c (could_have_pointers): For possibly
1588 address-taken variables force pointers to be recorded.
1589 (create_variable_info_for_1): Likewise.
1590 (push_fields_onto_fieldstack): Pass in wheter all fields
1592 (find_func_aliases): Query types instead of vars whether
1593 they contain pointers where appropriate.
1595 2010-05-06 Jan Hubicka <jh@suse.cz>
1597 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
1598 (record_reference, mark_address, mark_load, mark_store): Record
1600 (record_references_in_initializer): Update call of record_references.
1601 (rebuild_cgraph_edges): Remove all references before rebuiding.
1602 * cgraph.c (cgraph_create_node): Clear ref list.
1603 (cgraph_remove_node): Remove references.
1604 (dump_cgraph_node): Dump references.
1605 (cgraph_clone_node): Clone references.
1606 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
1607 (struct cgraph_node, varpool_node): Add ref_lst.
1608 * ipa-ref.c: New file.
1609 * ipa-ref.h: New file.
1610 * ipa-ref-inline.h: New file.
1611 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
1612 (referenced_from_other_partition_p): New function.
1613 (lto_output_varpool_node): Take set arugment; call
1614 referenced_from_other_partition.
1615 (lto_output_ref): New.
1616 (add_references): New.
1618 (output_cgraph): Compute boundary based on references; output refs.
1619 (output_varpool): Accept cgraph_node_set argument.
1622 (input_cgraph): Call input_refs.
1623 * lto-section-in.c (lto_section_name): Add refs.
1624 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
1625 (ipa-ref.o): New file.
1626 * varpool.c (varpool_node): Clear ipa ref list.
1627 (varpool_remove_node): Remove references.
1628 (dump_varpool_node): Dump references.
1629 (varpool_assemble_decl): Only compile finalized ones.
1630 (varpool_extra_name_alias): Initialize ref list.
1631 * lto-streamer.c (lto-get_section_name): Add .refs section.
1632 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
1633 (referenced_from_other_partition_p): Declared.
1635 2010-05-06 Ira Rosen <irar@il.ibm.com>
1637 PR tree-optimization/43901
1638 * tree-vect-stmts.c (vectorizable_call): Assert that vector
1639 type is not NULL if it's transformation phase, and return
1640 FALSE if it's analysis.
1641 (vectorizable_conversion, vectorizable_operation,
1642 vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
1644 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
1646 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1648 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
1650 * config/mips/mips-protos.h
1651 (mips_small_register_classes_for_mode_p): Delete prototype.
1653 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
1655 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
1656 * config/arm/arm.c (multiple_operation_profitable_p,
1657 compute_offset_order): New static functions.
1658 (load_multiple_sequence, store_multiple_sequence): Use them.
1659 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
1660 memory offsets, not register numbers.
1661 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
1663 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
1665 * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
1666 (get_pending_sizes, put_pending_size, put_pending_sizes):
1667 Update the uses of pending_sizes.
1668 * c-decl.c (store_parm_decls): Likewise.
1669 * c-tree.h (struct c_arg_info): Likewise.
1670 * tree.h: Update the prototype for get_pending_sizes and
1673 2010-05-05 Jason Merrill <jason@redhat.com>
1676 * c-common.c (handle_aligned_attribute): Respect
1677 ATTR_FLAG_TYPE_IN_PLACE.
1680 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
1681 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1682 (TARGET_INITIALIZER): Use it.
1683 * c-common.c (attribute_takes_identifier_p): Call it.
1684 * c-common.h: Update prototype.
1685 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
1686 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
1688 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1691 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
1692 DW_ID_down_case for Fortran compilation units.
1694 2010-05-05 Jan Hubicka <jh@suse.cz>
1696 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
1699 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
1701 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
1702 a variable-sized RESULT_DECL.
1704 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
1706 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
1708 2010-05-05 Jason Merrill <jason@redhat.com>
1711 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
1713 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
1715 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
1716 Jakub Jelinek <jakub@redhat.com>
1719 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
1720 (dead_debug_init, dead_debug_finish): New functions.
1721 (dead_debug_add, dead_debug_insert_before): Likewise.
1722 (df_note_bb_compute): Initialize a dead_debug object, add dead
1723 debug uses to it, insert debug bind insns before death insns,
1724 reset debug insns that refer to pending uses at the end.
1725 * rtl.h (make_debug_expr_from_rtl): New prototype.
1726 * varasm.c (make_debug_expr_from_rtl): New function.
1728 2010-05-05 Jan Hubicka <jh@suse.cz>
1730 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
1731 (lto_varpool_encoder_new, lto_varpool_encoder_delete,
1732 lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
1733 lto_varpool_encoder_deref, lto_varpool_encoder_size,
1734 lto_varpool_encoder_encode_initializer_p,
1735 lto_set_varpool_encoder_encode_initializer): New functions.
1736 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
1737 call output_varpool.
1738 (input_varpool_node): Do not always set analyzed.
1739 (input_cgraph_1): Return vector of cgraph nodes.
1740 (input_varpool_1): Return vector of varpools.
1741 (input_cgraph): Free the vectors.
1742 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
1743 output only initializers needed.
1744 (lto_output): Only call output_cgraph.
1745 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
1746 * lto-section-out.c (lto_new_out_decl_state): Initialize
1747 state->varpool_node_encoder.
1748 * lto-streamer.h (lto_varpool_encoder_d): New.
1749 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
1750 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
1751 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
1752 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
1753 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
1755 (output_varpool, input_varpool): Remove declarations.
1757 2010-05-05 Jan Hubicka <jh@suse.cz>
1759 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
1760 with body can prevail.
1762 2010-05-05 Jan Hubicka <jh@suse.cz>
1764 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
1767 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1769 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
1771 * gengtype.h (erro_at_line): Constify pos argument.
1773 * gengtype.c: Include hashtab.h.
1774 (enum gc_used): Document GC_MAYBE_POINTED_TO.
1775 (error_at_line): Constify pos argument.
1776 (do_typedef): Initialize p->opt field.
1777 (get_file_gtfilename): Fix comment typo.
1778 (struct walk_type_data): Constify line field.
1779 (get_output_file_for_structure): New function.
1780 (write_local_func_for_structure): Constify orig_s argument.
1781 Use get_output_file_for_structure.
1782 (write_func_for_structure): Use get_output_file_for_structure.
1783 (INDENT): New define.
1784 (dump_pair, dump_type, dump_type_list, dump_typekind)
1785 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
1786 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
1788 (seen_types): New variable.
1789 (main): New variable do_dump. Process "-d" command line option.
1790 Call dump_everything if dump requested.
1792 2010-05-05 Jakub Jelinek <jakub@redhat.com>
1794 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
1795 in a temporary instead of invoking the macro multiple times.
1796 (track_expr_p): Likewise.
1798 2010-05-04 Neil Vachharajani <nvachhar@google.com>
1800 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
1802 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
1803 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
1804 conditions for printing notes.
1805 * common.opt (-Wcoverage-mismatch): Allow negative, default to
1806 true, update documentation.
1807 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
1809 2010-05-04 Jakub Jelinek <jakub@redhat.com>
1812 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
1815 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1818 * config/i386/i386.md (sse_prologue_save): Clobber CC register.
1819 (*sse_prologue_save_insn1): Likewise.
1820 (SSE prologue save splitter): Likewise.
1822 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
1824 * tree.c (free_lang_data_in_one_sizepos): New inline function.
1825 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
1826 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
1827 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
1828 all decls. Call it on DECL_FIELD_OFFSET of fields.
1829 (find_decls_types_r): Follow DECL_VALUE_EXPR.
1830 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
1832 2010-05-04 Martin Jambor <mjambor@suse.cz>
1834 * tree-sra.c (build_access_from_expr_1): The first parameter type
1835 changed to simple tree.
1836 (build_access_from_expr): Likewise, gsi parameter was eliminated.
1837 (scan_assign_result): Renamed to assignment_mod_result, enum elements
1839 (build_accesses_from_assign): Removed all parameters except for a
1840 simple gimple statement. Now returns a simple bool.
1841 (scan_function): All non-analysis parts moved to separate functions
1842 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
1843 parameters and updated both callers.
1844 (sra_modify_expr): Removed parameter data.
1845 (sra_modify_function_body): New function.
1846 (perform_intra_sra): Call sra_modify_function_body to modify the
1848 (replace_removed_params_ssa_names): Parameter data changed into
1850 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
1851 changed the parameter dont_convert to convert with the opposite
1853 (sra_ipa_modify_assign): Parameter data changed into adjustments
1854 vector, return value changed to bool.
1855 (ipa_sra_modify_function_body): New function.
1856 (sra_ipa_reset_debug_stmts): Updated a comment.
1857 (modify_function): Use ipa_sra_modify_function_body to modify function
1860 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
1863 * alias.c (true_dependence): Handle the same VALUE in x and mem.
1864 (canon_true_dependence): Likewise.
1865 (write_dependence_p): Likewise.
1867 2010-05-04 Jan Hubicka <jh@suse.cz>
1869 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
1870 * cgraphbuild.c: Include ipa-utils.h
1871 (record_reference_ctx): New struct.
1872 (record_reference): Simplify to work on initializers; not statements.
1873 (mark_address, mark_load, mark_store): New.
1874 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1876 (record_references_in_initializer): Update use of record_reference.
1877 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
1880 2010-05-04 Jan Hubicka <jh@suse.cz>
1882 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
1883 node will be removed anyway.
1884 (lto_varpool_replace_node): Allow also unanalyzed nodes;
1885 relink aliases of node into prevailing node.
1886 * varpool.c (varpool_remove_node): Remove aliases properly;
1887 when removing node, remove all its aliases too; remove DECL_INITIAL
1888 of removed node; ggc_free the varpool node.
1890 2010-05-04 Richard Guenther <rguenther@suse.de>
1892 PR tree-optimization/43879
1893 * tree-ssa-structalias.c (alias_get_name): Use
1894 DECL_ASSEMBLER_NAME if available.
1895 (create_function_info_for): Return the varinfo node.
1896 (ipa_pta_execute): Associate same-body aliases and extra names
1897 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
1899 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
1901 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
1903 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
1906 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
1907 only if HONOR_REG_ALLOC_ORDER is not defined.
1909 2010-05-04 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/43949
1912 * tree-vrp.c (extract_range_from_binary_expr): Only handle
1915 2010-04-26 Jason Merrill <jason@redhat.com>
1917 * c.opt (-fstrict-enums): New.
1918 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
1920 2010-05-03 David Ung <davidu@mips.com>
1921 James E. Wilson <wilson@codesourcery.com>
1923 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
1924 emit the trap instruction before the divide for TUNE_74K.
1926 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
1928 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
1929 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
1930 based on the above, for new target hook.
1932 * hooks.c (hook_bool_mode_true): New generic hook.
1933 * hooks.h (hook_bool_mode_true): Add prototype.
1935 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1937 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1938 target hook, set to hook_bool_mode_false.
1939 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1940 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1941 with targetm.small_register_classes_for_mode_p.
1942 (find_reusable_reload): Likewise.
1943 (combine_reloads): Likewise.
1944 * reload1.c (reload_as_needed): Likewise.
1945 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1946 * ifcvt.c (noce_process_if_block, check_cond_move_block,
1947 dead_or_predicable): Likewise.
1948 * regmove.c (optimize_reg_copy_1): Likewise.
1949 * calls.c (prepare_call_address): Likewise.
1950 (precompute_register_parameters): Likewise.
1952 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1954 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1955 implementation of the hook that considers all register classes
1956 small except for SH64.
1957 (sh_override_options): Use the new hook.
1958 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1961 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1963 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1964 implementation of the hook that considers all register classes
1966 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1969 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1971 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1972 implementation of the hook that considers all register classes
1974 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1977 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1979 * config/m32c/m32c.h: Likewise.
1980 * config/pdp11/pdp11.h: Likewise.
1981 * config/avr/avr.h: Likewise.
1982 * config/xtensa/xtensa.h: Likewise.
1983 * config/m68hc11/m68hc11.h: Likewise.
1984 * config/mn10300/mn10300.h: Likewise.
1985 * config/mcore/mcore.h: Likewise.
1986 * config/h8300/h8300.h: Likewise.
1987 * config/bfin/bfin.h: Likewise.
1989 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1990 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1992 2010-05-03 Anatoly Sokolov <aesok@post.ru>
1994 * double-int.h (tree_to_double_int): Remove macro.
1995 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1996 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1997 (tree_to_double_int): New function.
1998 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
2000 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
2002 2010-05-03 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/43971
2005 * tree-ssa-structalias.c (get_constraint_for_1): Fix
2006 constraints in the !flag_delete_null_pointer_checks case.
2008 2010-05-03 Jakub Jelinek <jakub@redhat.com>
2011 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
2012 result mode matches original rtl mode.
2014 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
2017 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
2019 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2021 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
2022 when processing flag options.
2024 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2026 * gcov-iov.c (main): Change format string placeholder
2027 from %#08x to 0x%08x.
2028 * genchecksum.c (dosum): Change format string placeholder
2029 from %#02x to 0x%02x.
2031 2010-05-02 Richard Guenther <rguenther@suse.de>
2033 PR tree-optimization/43879
2034 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
2036 2010-05-02 Bruno Haible <bruno@clisp.org>
2038 * doc/extend.texi (Function Attributes): Fix a typo.
2040 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2043 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
2044 placeholder from 0x%x to %#x.
2045 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2046 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2047 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2048 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2049 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2050 * config/i386/i386.c (ix86_target_string): Ditto.
2051 * config/i386/i386.c (output_pic_addr_const): Ditto.
2052 (print_operand): Ditto.
2054 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
2056 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
2057 placeholder from 0x%x to %#x.
2058 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
2059 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
2060 (ASM_OUTPUT_DEBUG_DATA): Ditto.
2061 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
2062 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
2063 * optc-gen.awk: Ditto.
2064 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
2065 (HOST_WIDE_INT_PRINT_HEX): Ditto.
2066 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
2067 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
2069 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2071 * target.h (struct calls): Add function_value_regno_p field.
2072 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
2073 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
2074 * targhooks.c (default_function_value_regno_p): New function.
2075 * targhooks.h (default_function_value_regno_p): Declare function.
2076 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
2077 * builtins.c. (apply_result_size): (Ditto.).
2078 * combine.c. (likely_spilled_retval_p): (Ditto.).
2079 * mode-switching.c. Include 'target.h'.
2080 (create_pre_exit): Use function_value_regno_p hook.
2081 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
2082 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
2083 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
2085 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
2086 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
2087 (ix86_function_value_regno_p): Declare as static, change argument
2088 type to const unsigned int.
2089 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
2091 2010-05-01 Richard Guenther <rguenther@suse.de>
2093 PR tree-optimization/43949
2094 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
2096 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
2098 2010-05-01 Anatoly Sokolov <aesok@post.ru>
2100 * rtl.h (CONST_DOUBLE_P): Define.
2101 (rtx_to_double_int): Declare.
2102 * emit-rtl.c (rtx_to_double_int): New function.
2103 * dwarf2out.c (insert_double): New function.
2104 (loc_descriptor, add_const_value_attribute): Clean up, use
2105 rtx_to_double_int and insert_double functions.
2107 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
2109 * doc/extend.texi (Inline): Add missing return keyword to examples.
2110 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
2113 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
2115 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
2116 the variable part of the offset as well. Use highest_pow2_factor for
2117 all alignment checks.
2119 2010-04-30 Richard Guenther <rguenther@suse.de>
2121 PR tree-optimization/43879
2122 * tree-ssa-structalias.c (type_could_have_pointers): Functions
2125 2010-04-30 Jan Hubicka <jh@suse.cz>
2127 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
2129 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
2131 2010-04-30 Jan Hubicka <jh@suse.cz>
2133 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
2135 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
2136 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
2137 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
2138 cgraph_node_set_needs_ltrans_p): Remove.
2140 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2142 * sdbout.c: Include vec.h, do not include varray.h.
2143 (deferred_global_decls, sdbout_global_decl,
2144 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
2145 * toplev.c: Do not include varray.h.
2146 (dump_memory_report): Do not dump VARRAY statistics.
2147 * gengtype.c (open_base_file): Ignore varray.h.
2148 * Makefile.in: Update for abovementioned changes.
2149 Remove all traces of varray.c and varray.h.
2150 * varray.c: Remove file.
2151 * varray.h: Remove file.
2153 2010-04-30 Jan Hubicka <jh@suse.cz>
2155 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
2158 2010-04-30 Jan Hubicka <jh@suse.cz>
2160 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
2163 2010-04-30 Richard Guenther <rguenther@suse.de>
2165 * tree-ssa-structalias.c (get_constraint_for_1): Generate
2166 constraints for CONSTRUCTOR.
2168 2010-04-30 Richard Guenther <rguenther@suse.de>
2171 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
2172 first after all lowering passes.
2174 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
2176 * toplev.c: Include varray.h for statistics dumping.
2177 * tree.h: Do not declare varray_head_tag.
2178 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
2179 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
2180 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
2181 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
2182 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
2183 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
2184 c-common.c, c-common.h, reg-stack.c, basic-block.h,
2185 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
2187 * Makefile.in: Update for abovementioned changes.
2189 2010-04-30 Jakub Jelinek <jakub@redhat.com>
2192 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
2194 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2196 * config/picochip/picochip.c (picochip_legitimize_address): Define.
2197 Use this function to do machine-specific conversion.
2198 (picochip_legitimize_reload_address): Likewise.
2199 (picochip_legitimate_address_p): Check valid base register only if
2201 (picochip_check_conditional_copy): Check for modw only if opnd is
2203 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
2204 to call the function in c.
2205 * config/picochip/picochip-protos.h
2206 (picochip_legitimize_reload_address): Define.
2207 * config/picochip/picochip.md (supported_compare1): Define.
2209 2010-04-30 Jan Hubicka <jh@suse.cz>
2211 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
2212 (cgraph_global_info): Remove inlined.
2213 (LTO_cgraph_tag_names): Remove.
2214 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
2215 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
2216 simplify cgraph tags and document.
2217 (lto_output_node): Use only LTO_cgraph_unavail_node and
2218 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
2219 for_functions_valid, global info, process and output flags.
2220 (input_overwrite_node): Initialize estimated stack size and
2221 estimated growth. Do not read flags we no longer store.
2222 (input_node): Likewise do not read info no longer stored.
2223 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
2226 2010-04-30 Richard Guenther <rguenther@suse.de>
2228 PR tree-optimization/43879
2229 * tree-ssa-structalias.c (get_constraint_for_1): Properly
2230 handle non-zero initializers.
2232 2010-04-30 Richard Guenther <rguenther@suse.de>
2234 * builtins.c (fold_builtin_1): Delete free (0).
2236 2010-04-29 Jan Hubicka <jh@suse.cz>
2238 * gengtype.c (open_base_files): Add lto-streamer.h
2239 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
2240 (pass_ipa_cp): GGC collect.
2241 * toplev. (compile_file): Do not output symbols.
2242 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
2243 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
2244 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
2245 * lto-section-in.c: Include ggc.h
2246 (lto_new_in_decl_state): Alloc in GGC.
2247 (lto_delete_in_decl_state): Likewise.
2248 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
2251 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2254 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
2255 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
2256 (HONOR_REG_ALLOC_ORDER): Describe new macro.
2257 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
2258 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
2259 account only if HONOR_REG_ALLOC_ORDER is not defined.
2260 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
2261 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
2263 2010-04-29 Jon Grant <04@jguk.org>
2265 * collect2.c (vflag): Change type from int to bool.
2267 (helpflag): New global bool.
2268 (main): Set vflag and debug with boolean, not integer truth values.
2269 Accept new "--help" option and output usage text if found.
2270 * collect2.h (vflag): Update prototype.
2273 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2276 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
2278 2010-04-29 Richard Guenther <rguenther@suse.de>
2281 * plugin.h (invoke_plugin_callbacks): Annotate arguments
2282 with ATTRIBUTE_UNUSED.
2284 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
2287 * config/i386/i386.c (get_some_local_dynamic_name): Replace
2288 INSN_P with NONDEBUG_INSN_P.
2289 (distance_non_agu_define): Likewise.
2290 (distance_agu_use): Likewise.
2292 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
2294 From Dominique d'Humieres <dominiq@lps.ens.fr>
2296 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
2299 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
2301 * plugin.h (invoke_plugin_callbacks): New inline function.
2302 * plugin.c (flag_plugin_added): New global flag.
2303 (add_new_plugin): Initialize above flag.
2304 (invoke_plugin_callbacks): Rename to ...
2305 (invoke_plugin_callbacks_full): ... this.
2307 2010-04-28 Jan Hubicka <jh@suse.cz>
2309 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
2310 (lto_varpool_replace_node): New.
2311 (lto_symtab_resolve_symbols): Resolve varpool nodes.
2312 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
2313 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
2314 * cgraph.h (varpool_node_ptr): New type.
2315 (varpool_node_ptr): New vector.
2316 (varpool_node_set_def): New structure.
2317 (varpool_node_set): New type.
2318 (varpool_node_set): New vector.
2319 (varpool_node_set_element_def): New structure.
2320 (varpool_node_set_element, const_varpool_node_set_element): New types.
2321 (varpool_node_set_iterator): New type.
2322 (varpool_node): Add prev pointers, add used_from_other_partition,
2324 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
2325 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
2326 varpool_get_node, varpool_remove_node): Declare.
2327 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
2328 varpool_node_set_size): New inlines.
2329 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
2330 * tree-pass.h (varpool_node_set_def): Forward declare.
2331 (ipa_opt_pass_d): Summary writting takes vnode sets too.
2332 (ipa_write_optimization_summaries): Update prototype.
2333 * ipa-cp.c (ipcp_write_summary): Update.
2334 * ipa-reference.c (ipa_reference_write_summary): Update.
2335 * lto-cgraph.c (lto_output_varpool_node): New static function.
2336 (output_varpool): New function.
2337 (input_varpool_node): New static function.
2338 (input_varpool_1): New function.
2339 (input_cgraph): Input varpool.
2340 * ipa-pure-const.c (pure_const_write_summary): Update.
2341 * lto-streamer-out.c (lto_output): Update, output varpool too.
2342 (write_global_stream): Kill WPA hack.
2343 (produce_asm_for_decls): Update.
2344 (output_alias_pair_p): Handle variables.
2345 (output_unreferenced_globals): Output only needed partition of varpool.
2346 * ipa-inline.c (inline_write_summary): Update.
2347 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
2349 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
2350 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
2351 varpool_node_set_new, varpool_node_set_add,
2352 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
2353 debug_varpool_node_set): New functions.
2354 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
2355 (execute_one_pass): Process new decls too.
2356 (ipa_write_summaries_2): Pass around vsets.
2357 (ipa_write_summaries_1): Likewise.
2358 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
2360 (ipa_write_optimization_summaries_1): Pass around vsets.
2361 (ipa_write_optimization_summaries): Likewise.
2362 * varpool.c (varpool_get_node): New.
2363 (varpool_node): Update doubly linked lists.
2364 (varpool_remove_node): New.
2365 (dump_varpool_node): More dumping.
2366 (varpool_enqueue_needed_node): Update doubly linked lists.
2367 (decide_is_variable_needed): Kill ltrans hack.
2368 (varpool_finalize_decl): Kill lto hack.
2369 (varpool_assemble_decl): Skip decls in other partitions.
2370 (varpool_assemble_pending_decls): Update doubly linkes lists.
2371 (varpool_empty_needed_queue): Likewise.
2372 (varpool_extra_name_alias): Likewise.
2373 * lto-streamer.c (lto_get_section_name): Add vars section.
2374 * lto-streamer.h (lto_section_type): Update.
2375 (output_varpool, input_varpool): Declare.
2377 2010-04-28 Mike Stump <mikestump@comcast.net>
2379 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
2381 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2383 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
2384 record or union type with RECORD_OR_UNION_TYPE_P predicate.
2385 (lto_input_ts_type_tree_pointers): Likewise.
2386 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
2387 (lto_output_ts_type_tree_pointers): Likewise.
2389 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2391 Uniquization of constants at the Tree level
2392 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
2393 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
2395 (tree_output_constant_def): Declare.
2396 * gimplify.c (gimplify_init_constructor): When using block copy, first
2397 uniquize the constant constructor on the RHS.
2398 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
2399 DECL_IN_CONSTANT_POOL flag.
2400 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
2401 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
2403 (assemble_variable): Deal with symbols belonging to the tree constant
2405 (get_constant_section): Add ALIGN parameter and simplify.
2406 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
2407 (assemble_constant_contents): Use the expression of the VAR_DECL.
2408 (output_constant_def_contents): Use the alignment of the VAR_DECL.
2409 (tree_output_constant_def): New global function.
2410 (mark_constant): Use the expression of the VAR_DECL.
2411 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
2413 (output_object_block): Likewise and assemble the expression.
2415 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
2417 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
2418 hash_tree, eq_tree): New tree hash table.
2419 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
2420 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
2421 lto_orig_address_remove): Reimplement.
2423 2010-04-28 Xinliang David Li <davidxl@google.com>
2426 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
2427 (compute_uninit_opnds_pos): New function.
2428 (is_non_loop_exit_postdominating): New function.
2429 (compute_control_dep_chain): New function.
2430 (find_pdom): New function.
2431 (convert_control_dep_chain_into_preds): New function.
2432 (find_predicates): New function.
2433 (find_control_equiv_block): New function.
2434 (collect_phi_def_edges): New function.
2435 (find_def_preds): New function.
2436 (find_dom): New function.
2437 (dump_predicates): New function.
2438 (get_cmp_code): New function.
2439 (is_value_included_in): New function.
2440 (find_matching_predicate_in_rest_chains): New function.
2441 (use_pred_not_overlap_with_undef_path_pred): New function.
2442 (is_use_properly_guarded): New function.
2443 (normalize_cond_1): New function.
2444 (is_and_or_or): New function.
2445 (normalize_cond): New function.
2446 (is_gcond_subset_of): New function.
2447 (is_subset_of_any): New function.
2448 (is_or_set_subset_of): New function.
2449 (is_and_set_subset_of): New function.
2450 (is_norm_cond_subset_of): New function.
2451 (is_pred_expr_subset_of): New function.
2452 (is_pred_chain_subset_of): New function.
2453 (is_included_in): New function.
2454 (is_superset_of): New function.
2455 (find_uninit_use): New function.
2456 (warn_uninitialized_phi): New function.
2457 (compute_possibly_undefined_names): New function.
2458 (ssa_undefined_value_p): New function.
2459 (execute_late_warn_uninitialized): New function.
2460 * tree-ssa.c (ssa_undefined_value_p): Removed.
2461 (warn_uninit): Changed to extern.
2462 (warn_uninitialized_phi): Removed.
2463 (warn_uninitialized_vars): Changed to extern.
2464 (execute_late_warn_uninitialized): Removed
2465 * tree-flow.h: Add new prototypes.
2466 * timevar.def: Add new time variable.
2467 * Makefile.in: Add new build file.
2469 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
2471 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
2474 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2477 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
2479 2010-04-28 Martin Jambor <mjambor@suse.cz>
2481 * cgraph.h (struct cgraph_node): New field indirect_calls.
2482 (struct cgraph_indirect_call_info): New type.
2483 (struct cgraph_edge): Removed field indirect_call. New fields
2484 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
2485 (cgraph_create_indirect_edge): Declare.
2486 (cgraph_make_edge_direct): Likewise.
2487 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
2488 * ipa-prop.h (struct ipa_param_call_note): Removed.
2489 (struct ipa_node_params): Removed field param_calls.
2490 (ipa_create_all_structures_for_iinln): Declare.
2491 * cgraph.c: Described indirect edges and uids in initial comment.
2492 (cgraph_add_edge_to_call_site_hash): New function.
2493 (cgraph_edge): Search also among the indirect edges, use
2494 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
2495 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
2496 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
2498 (initialize_inline_failed): Assign a reason to indirect edges.
2499 (cgraph_create_edge_1): New function.
2500 (cgraph_create_edge): Moved some functionality to
2501 cgraph_create_edge_1.
2502 (cgraph_create_indirect_edge): New function.
2503 (cgraph_edge_remove_callee): Add an assert checking for
2505 (cgraph_edge_remove_caller): Special-case indirect edges.
2506 (cgraph_remove_edge): Likewise.
2507 (cgraph_set_edge_callee): New function.
2508 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
2509 (cgraph_make_edge_direct): New function.
2510 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
2511 the declaration of the call statement matches.
2512 (cgraph_node_remove_callees): Special-case indirect edges.
2513 (cgraph_clone_edge): Likewise.
2514 (cgraph_clone_node): Clone also the indirect edges.
2515 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
2516 indirect_call, dump count of indirect_calls edges.
2517 * ipa-prop.c (iinlining_processed_edges): New variable.
2518 (ipa_note_param_call): Create indirect edges instead of
2519 creating notes. New parameter node.
2520 (ipa_analyze_call_uses): New parameter node, pass it on to
2521 ipa_note_param_call.
2522 (ipa_analyze_stmt_uses): Likewise.
2523 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
2524 (print_edge_addition_message): Work on edges rather than on notes.
2525 (update_call_notes_after_inlining): Likewise, renamed to
2526 update_indirect_edges_after_inlining.
2527 (ipa_create_all_structures_for_iinln): New function.
2528 (ipa_free_node_params_substructures): Do not free notes.
2529 (ipa_edge_duplication_hook): Propagate bits within
2530 iinlining_processed_edges bitmap.
2531 (ipa_node_duplication_hook): Do not duplicate notes.
2532 (free_all_ipa_structures_after_ipa_cp): Renamed to
2533 ipa_free_all_structures_after_ipa_cp.
2534 (free_all_ipa_structures_after_iinln): Renamed to
2535 ipa_free_all_structures_after_iinln.
2536 (ipa_write_param_call_note): Removed.
2537 (ipa_read_param_call_note): Removed.
2538 (ipa_write_indirect_edge_info): New function.
2539 (ipa_read_indirect_edge_info): Likewise.
2540 (ipa_write_node_info): Do not stream notes, do stream information
2542 (ipa_read_node_info): Likewise.
2543 (lto_ipa_fixup_call_notes): Removed.
2544 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
2545 * ipa-inline.c (pass_ipa_inline): Likewise.
2546 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
2547 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
2548 * tree-inline.c (copy_bb): Removed an unnecessary double check for
2550 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
2552 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
2553 (output_cgraph): Stream also indirect edges.
2554 (lto_output_edge): Added capability to stream indirect edges.
2555 (input_edge): Likewise.
2556 (input_cgraph_1): Likewise.
2557 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
2560 2010-04-28 Richard Guenther <rguenther@suse.de>
2562 PR tree-optimization/43879
2563 PR tree-optimization/43909
2564 * tree-ssa-structalias.c (struct variable_info): Add
2565 only_restrict_pointers flag.
2566 (new_var_info): Initialize it. Increment stats.total_vars here.
2567 (create_function_info_for): Do not increment stats.total_vars here.
2568 (get_function_part_constraint): Fix build with C++.
2569 (insert_into_field_list): Remove.
2570 (push_fields_onto_fieldstack): Properly merge fields.
2571 (create_variable_info_for): Split and simplify.
2572 (create_variable_info_for_1): New piece.
2573 (intra_create_variable_infos): Properly make restrict constraints
2576 2010-04-28 Richard Guenther <rguenther@suse.de>
2579 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
2581 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2582 Jan Hubicka <hubicka@ucw.cz>
2584 * doc/invoke.texi (-Wsuggest-attribute=const,
2585 -Wsuggest-attribute=pure): Document.
2586 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
2587 (function_always_visible_to_compiler_p,
2588 suggest_attribute, warn_function_pure, warn_function_const):
2590 (check_call): Improve debug info.
2591 (analyze_function): Do not check availability.
2592 (add_new_function): Check availability.
2593 (propagate): Output warnings.
2594 (skip_function_for_local_pure_const): New function.
2595 (local_pure_const): Use it; output warnings.
2596 * common.opt (Wsuggest-attribute=const,
2597 Wsuggest-attribute=pure): New.
2599 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2601 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
2602 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
2603 or DW_CFA_def_cfa_offset{,_sf}.
2605 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2607 * tree.h: Fix truncated long macros.
2609 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
2611 * collect2.c (TARGET_64BIT): Redefine to target's default.
2612 * tlink.c: Likewise.
2613 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
2614 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
2615 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
2616 for underscoring __USER_LABEL_PREFIX__.
2617 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
2618 (SUB_LINK_ENTRY32): New.
2619 (SUB_LINK_ENTRY64): New.
2620 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
2621 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
2622 (SUB_LINK_ENTRY64): New.
2623 (SUB_LINK_ENTRY): New.
2624 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
2625 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
2626 x64 target is choosen.
2627 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
2628 * configure: Regenerated.
2629 * configure.ac (leading-mingw64-underscores): Option added.
2631 2010-04-27 Jan Hubicka <jh@suse.cz>
2633 * doc/invoke.texi (-fipa-profile): Document.
2634 * opts.c (decode_options): Enable ipa-profile at -O1.
2635 * timevar.def (TV_IPA_PROFILE): Define.
2636 * common.opt (fipa-profile): Add.
2637 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
2639 (cgraph_propagate_frequency): Handle only local ones.
2640 * tree-pass.h (pass_ipa_profile): Declare.
2641 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
2642 (pass_ipa_profile): Use TV_IPA_PROFILE.
2643 * ipa.c (ipa_profile): New function.
2644 (gate_ipa_profile): Likewise.
2645 (pass_ipa_profile): New global variable.
2646 * passes.c (pass_ipa_profile): New.
2648 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
2650 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
2652 2010-04-27 Martin Jambor <mjambor@suse.cz>
2655 * ipa.c (dissolve_same_comdat_group_list): New function.
2656 (function_and_variable_visibility): Call
2657 dissolve_same_comdat_group_list when comdat group contains external or
2659 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
2660 lists are circular and that they contain only DECL_ONE_ONLY nodes.
2662 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
2664 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
2665 (const_hash_1) <VECTOR_CST>: New case.
2666 (compare_constant) <VECTOR_CST>: Likewise.
2667 <ADDR_EXPR>: Deal with LABEL_REFs.
2668 (copy_constant) <VECTOR_CST>: New case.
2670 2010-04-27 Jan Hubicka <jh@suse.cz>
2672 * cgraph.c (cgraph_propagate_frequency): New function.
2673 * cgraph.h (cgraph_propagate_frequency): Declare.
2674 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
2675 cgraph_propagate_frequency.
2677 2010-04-27 Jakub Jelinek <jakub@redhat.com>
2679 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
2681 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
2684 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
2685 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
2686 here to determine which regs to push and how much stack to reserve.
2688 2010-04-27 Jie Zhang <jie@codesourcery.com>
2690 * doc/gimple.texi (gimple_statement_with_ops): Remove
2691 addresses_taken field.
2692 (gimple_statement_with_memory_ops): Likewise.
2694 2010-04-27 Jan Hubicka <jh@suse.cz>
2696 * tree-inline.c (eni_inlining_weights): Remove.
2697 (estimate_num_insns): Special case more builtins.
2699 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
2702 * c-typeck.c (build_binary_op): Move forward check for comparison
2703 pointer with null pointer constant and adjust the diagnostic message.
2705 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
2708 * configure.ac (gcc_cv_as_section_has_align): Set if installed
2709 binutils supports extended .section directive needed by LTO, or
2710 warn if older binutils found.
2711 (LTO_BINARY_READER): New AC_SUBST'd variable.
2712 (LTO_USE_LIBELF): Likewise.
2713 * gcc/config.gcc (lto_binary_reader): New target-specific configure
2715 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
2716 (LTO_USE_LIBELF): Likewise.
2717 * configure: Regenerate.
2719 * collect2.c (is_elf): Rename from this ...
2720 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
2721 object files in addition to ELF-formatted ones.
2722 (scan_prog_file): Caller updated. Also allow for LTO info marker
2723 symbol to be prefixed or not by an extra underscore.
2725 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
2726 * config/i386/winnt.c: Also #include lto-streamer.h
2727 (i386_pe_asm_named_section): Specify 1-byte section alignment for
2729 (i386_pe_asm_output_aligned_decl_common): Add comment.
2730 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
2732 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
2735 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
2736 Add missing earlyclobber for second alternative.
2738 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
2740 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
2741 bits for artificial defs at the top of the block.
2742 * fwprop.c (single_def_use_enter_block): Don't call it.
2744 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
2747 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
2748 instead of "$gcc_cv_objdump -T".
2749 Use "-undefined dynamic_lookup" on darwin.
2750 * gcc/configure: Regenerate.
2752 2010-04-26 Jakub Jelinek <jakub@redhat.com>
2755 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
2757 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2759 * c-parser.c (struct c_token): Move location field up.
2760 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
2761 (struct c_declspecs): Convert typespec_word, storage_class, and
2762 default_int_p into bitfields.
2763 (struct c_declarator): Move loc field up.
2765 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
2767 * cfgloop.h (struct loop): Move can_be_parallel field up.
2768 * ipa-prop.h (struct ip_node_params): Move bitfields up.
2769 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
2771 (struct iv_cand): Convert pos field into a bitfield.
2772 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
2774 (struct _stmt_vec_info): Shuffle fields for better packing.
2776 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2778 * varasm.c (IN_NAMED_SECTION): Remove guard.
2779 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
2780 (IN_NAMED_SECTION_P): ...this.
2781 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
2782 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2784 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
2786 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
2787 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
2788 of shadowing it. Fix comments.
2790 2010-04-26 Jan Hubicka <jh@suse.cz>
2792 * cgraph.c (cgraph_create_node): Set node frequency to normal.
2793 (cgraph_clone_node): Copy function frequency.
2794 * cgraph.h (node_frequency): New enum
2795 (struct cgraph_node): Add.
2796 * final.c (rest_of_clean_state): Update.
2797 * lto-cgraph.c (lto_output_node): Output node frequency.
2798 (input_overwrite_node): Input node frequency.
2799 * tre-ssa-loop-ivopts (computation_cost): Update.
2800 * lto-streamer-out.c (output_function): Do not output function
2802 * predict.c (maybe_hot_frequency_p): Update and handle functions
2804 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
2806 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
2807 (compute_function_frequency): Set noreturn functions to be executed
2809 (choose_function_section): Update.
2810 * lto-streamer-in.c (input_function): Do not input function frequency.
2811 * function.c (allocate_struct_function): Do not initialize function
2813 * function.h (function_frequency): Remove.
2814 (struct function): Remove function frequency.
2815 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
2816 (try_update): Update.
2817 * tree-inline.c (initialize_cfun): Do not update function frequency.
2818 * passes.c (pass_init_dump_file): Update.
2819 * i386.c (ix86_compute_frame_layout): Update.
2820 (ix86_pad_returns): Update.
2822 2010-04-26 Jie Zhang <jie@codesourcery.com>
2824 PR tree-optimization/43833
2825 * tree-vrp.c (range_int_cst_p): New.
2826 (range_int_cst_singleton_p): New.
2827 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
2828 when both operands are constants. Use range_int_cst_p in
2831 2010-04-26 Jan Hubicka <jh@suse.cz>
2833 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
2835 2010-04-26 Richard Guenther <rguenther@suse.de>
2838 * gimple.c (gimple_decl_printable_name): Deal gracefully
2839 with a NULL DECL_NAME.
2841 2010-04-26 Richard Guenther <rguenther@suse.de>
2844 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
2845 if emitting debug information and it is either a function
2846 or a namespace decl.
2848 2010-04-26 Ira Rosen <irar@il.ibm.com>
2850 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
2851 determine if the statement is vectorizable, and a macro to access it.
2852 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2853 Skip statements that can't be vectorized. If the analysis fails,
2854 mark the statement as unvectorizable if vectorizing basic block.
2855 (vect_compute_data_refs_alignment): Likewise.
2856 (vect_verify_datarefs_alignment): Skip statements marked as
2857 unvectorizable. Add print.
2858 (vect_analyze_group_access): Skip statements that can't be
2859 vectorized. If the analysis fails, mark the statement as
2860 unvectorizable if vectorizing basic block.
2861 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
2862 * tree-vect-stmts.c (vectorizable_store): Fix the number of
2863 generated stmts for SLP.
2864 (new_stmt_vec_info): Initialize the new field.
2865 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
2866 statements marked as unvectorizable.
2868 2010-04-25 Joseph Myers <joseph@codesourcery.com>
2870 * c-common.c (flag_isoc1x): New.
2871 (flag_isoc99): Update comment.
2872 * c-common.h (flag_isoc1x): New.
2873 (flag_isoc99): Update comment.
2874 * c-cppbuiltin.c (builtin_define_float_constants): Also define
2875 __<type>_DECIMAL_DIG__.
2876 * c-opts.c (set_std_c1x): New.
2877 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
2878 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
2879 * c.opt (-std=c1x, -std=gnu1x): New options.
2880 * doc/cpp.texi: Mention -std=c1x.
2881 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
2882 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
2883 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
2884 * doc/standards.texi: Mention C1X.
2885 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
2886 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
2887 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
2890 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
2892 * config/i386/gmon-sol2.c (_mcleanup): Change format string
2893 placeholder from 0x%x to %#x.
2894 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
2895 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
2896 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
2897 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
2898 * config/i386/i386.c (ix86_target_string): Ditto.
2899 (output_pic_addr_const): Ditto.
2900 (print_operand): Ditto.
2902 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
2904 * combine.c (find_split_point): Add third argument. Use it
2905 to find nested multiply-accumulate instructions. Adjust calls.
2906 (try_combine): Adjust call to find_split_point.
2908 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
2910 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
2912 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
2914 PR tree-optimization/41442
2915 * fold-const.c (merge_truthop_with_opposite_arm): New function.
2916 (fold_binary_loc): Call it.
2918 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
2920 * toplev.c (general_init): Set default for fdiagnostics-show-option.
2921 * opts.c (common_handle_option): Allow disabling it.
2922 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
2924 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
2926 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
2927 between modes if both types are integral.
2929 2010-04-23 Richard Guenther <rguenther@suse.de>
2931 PR tree-optimization/43572
2932 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
2934 2010-04-23 Richard Guenther <rguenther@suse.de>
2937 * tree-inline.c (tree_can_inline_p): Also check compatibility
2940 2010-04-23 Martin Jambor <mjambor@suse.cz>
2942 PR tree-optimization/43846
2943 * tree-sra.c (struct access): New flag grp_assignment_read.
2944 (build_accesses_from_assign): Set grp_assignment_read.
2945 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2946 (enum mark_read_status): New type.
2947 (analyze_access_subtree): Propagate grp_assignment_read, create
2948 accesses also if both direct_read and root->grp_assignment_read.
2950 2010-04-23 Martin Jambor <mjambor@suse.cz>
2953 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2954 function does not have type attributes.
2956 2010-04-23 Richard Guenther <rguenther@suse.de>
2959 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2962 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2964 * sese.h (create_if_region_on_edge): Remove.
2966 * sese.c (create_if_region_on_edge): Make static.
2968 * tree-inline.c: Do not include ggc.h.
2970 * expr.c: Do not include ggc.h.
2972 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2975 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
2978 * config/sh/sh.c (find_barrier): Don't emit a constant pool
2979 in the middle of insns for casesi_worker_2.
2981 2010-04-22 David Edelsohn <edelsohn@gnu.org>
2983 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2985 2010-04-22 Ira Rosen <irar@il.ibm.com>
2987 PR tree-optimization/43842
2988 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2989 loop unrolling in update of exit phis. Fix comment.
2990 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2991 least two reduction statements in the loop before starting SLP
2994 2010-04-22 Nick Clifton <nickc@redhat.com>
2996 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2998 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
3000 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
3003 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3005 * tree-parloops.c (loop_parallel_p): New argument
3006 parloop_obstack. Pass it down.
3007 (parallelize_loops): New variable parloop_obstack. Initialize it,
3008 pass it down, free it.
3010 * tree-loop-linear.c (linear_transform_loops): Pass down
3013 * tree-data-ref.h (lambda_compute_access_matrices): New argument
3014 of type struct obstack *.
3016 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
3017 scratch_obstack. Initialize it, pass down, free it.
3019 * lambda.h (lambda_loop_new): Remove.
3020 (lambda_matrix_new, lambda_matrix_inverse)
3021 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
3022 argument of type struct obstack *.
3024 * lambda-trans.c (lambda_trans_matrix_new): New argument
3025 lambda_obstack. Pass it down, use obstack allocation for ret.
3026 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
3029 * lambda-mat.c (lambda_matrix_get_column)
3030 (lambda_matrix_project_to_null): Remove.
3031 (lambda_matrix_new): New argument lambda_obstack. Use obstack
3033 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
3036 * lambda-code.c (lambda_loop_new): New function.
3037 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
3038 (lambda_compute_auxillary_space, lambda_compute_target_space)
3039 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
3040 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
3041 (build_access_matrix): New argument lambda_obstack. Use obstack
3043 (lambda_compute_step_signs, lambda_compute_access_matrices): New
3044 argument lambda_obstack. Pass it down.
3046 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3048 * optabs.h (expand_widening_mult): Declare.
3050 2010-04-22 Richard Guenther <rguenther@suse.de>
3052 PR tree-optimization/43845
3053 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
3054 lookup the CALL_EXPR function and arguments.
3056 2010-04-22 Nick Clifton <nickc@redhat.com>
3058 * config/stormy16/stormy16.c
3059 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
3060 * config/stormy16/stormy16.h: Tidy up formatting.
3061 (DONT_USE_BUILTIN_SETJMP): Remove definition.
3062 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
3063 (ineqbranchsi): Delete pattern.
3064 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
3065 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
3066 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
3067 stormy16-lib2-ucmpsi2.c.
3069 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3071 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
3072 df_simulate_find_noclobber_defs as appropriate. Keep track of an
3073 extra set merge_set_noclobber, and use it to relax the final test
3075 * df.h (df_simulate_find_noclobber_defs): Declare.
3076 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
3078 (df_simulate_find_noclobber_defs): New function.
3080 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
3082 * config/i386/i386.md: Use {} around multi-line preparation statements.
3084 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3086 * c-tree.h (push_init_level, pop_init_level, set_init_index)
3087 (process_init_element): New argument of type struct obstack *.
3089 * c-typeck.c (push_init_level, pop_init_level, set_designator)
3090 (set_init_index, set_init_label, set_nonincremental_init)
3091 (set_nonincremental_init_from_string, find_init_member)
3092 (output_init_element, output_pending_init_elements)
3093 (process_init_element): New argument braced_init_obstack. Pass it
3095 (push_range_stack, add_pending_init): New argument
3096 braced_init_obstack. Use obstack allocation.
3098 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
3099 braced_init_obstack. Pass it down.
3100 (c_parser_braced_init): New variables ret, braced_init_obstack.
3101 Initialize obstack, pass it down and finally free it.
3103 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
3106 * tree-pass.h (pass_optimize_widening_mul): Declare.
3107 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
3108 gate_optimize_widening_mul): New static functions.
3109 (pass_optimize_widening_mul): New.
3110 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
3111 <case MULT_EXPR>: Remove support for widening multiplies.
3112 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
3113 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
3114 simplify_gen_unary rather than directly building extensions.
3115 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
3117 * expmed.c (expand_widening_mult): New function.
3118 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
3120 2010-04-21 Jan Hubicka <jh@suse.cz>
3122 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
3123 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
3124 * lto-wpa-fixup.c: Remove.
3125 * Makefile.in (lto-wpa-fixup.o): Remove.
3126 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
3127 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
3128 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
3130 2010-04-21 Jan Hubicka <jh@suse.cz>
3132 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
3133 add write_optimization_summary, read_optimization_summary.
3134 (ipa_write_summaries_of_cgraph_node_set): Remove.
3135 (ipa_write_optimization_summaries): Declare.
3136 (ipa_read_optimization_summaries): Declare.
3137 * ipa-cp.c (pass_ipa_cp): Update.
3138 * ipa-reference.c (pass_ipa_reference): Update.
3139 * ipa-pure-const.c (pass_ipa_pure_const): Update.
3140 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
3142 * ipa-inline.c (pass_ipa_inline): Update.
3143 * ipa.c (pass_ipa_whole_program): Update.
3144 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
3145 * passes.c (ipa_write_summaries_1): Do not test wpa.
3146 (ipa_write_optimization_summaries_1): New.
3147 (ipa_write_optimization_summaries): New.
3148 (ipa_read_summaries): Do not test ltrans.
3149 (ipa_read_optimization_summaries_1): New.
3150 (ipa_read_optimization_summaries): New.
3152 2010-04-21 Jan Hubicka <jh@suse.cz>
3154 * lto-cgraph.c (lto_output_node): Do not output comdat groups
3156 (output_cgraph): Do not arrange comdat groups for boundary nodes.
3158 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3161 * dwarf2out.c (add_name_and_src_coords_attributes): Add
3162 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
3164 2010-04-21 Jan Hubicka <jh@suse.cz>
3166 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
3168 2010-04-21 Jan Hubicka <jh@suse.cz>
3170 * varpool.c (decide_is_variable_needed): Variable is always needed
3173 2010-04-21 Jan Hubicka <jh@suse.cz>
3175 * opts.c (decode_options): Enable pure-const pass for whopr.
3177 2010-04-21 Jan Hubicka <jh@suse.cz>
3179 * cgraph.c (dump_cgraph_node): Dump also assembler name.
3180 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
3182 (cgraph_decide_inlining): Do not expect callee to be removed in all
3185 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
3187 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
3189 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3191 * config/i386/i386.md (x86_shrd): Add athlon_decode and
3192 amdfam10_decode attributes.
3194 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3197 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
3198 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
3199 (lower_copyprivate_clauses): Use private var in outer
3200 context instead of original var. Make sure the types
3201 are correct for VLAs.
3203 2010-04-21 Richard Guenther <rguenther@suse.de>
3205 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
3206 to non-pointer objects.
3208 2010-04-21 Jakub Jelinek <jakub@redhat.com>
3210 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
3211 last chain entry if it starts with the still current label.
3212 (add_location_or_const_value_attribute): Check that
3213 loc_list->first->next is NULL instead of comparing ->first with ->last.
3214 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
3215 to add_var_loc_to_decl.
3217 * dwarf2out.c (output_call_frame_info): For dw_cie_version
3218 >= 4 add also address size and segment size fields into CIE header.
3220 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
3221 long as address size is the same as sizeof (void *) and
3223 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
3224 address size or segment size is unexpected, return DW_EH_PE_omit.
3225 (classify_object_over_fdes): If get_cie_encoding returned
3226 DW_EH_PE_omit, return -1.
3227 (init_object): If classify_object_over_fdes returned -1,
3228 pretend there were no FDEs at all.
3230 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
3232 * config/i386/i386.md (bswap<mode>2): Macroize expander from
3233 bswap{si,di}2 using SWI48 mode iterator.
3234 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
3235 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
3236 set modrm attribute of bswap insn to 0 and remove length attribute.
3237 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
3238 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
3239 set mode attribute to <MODE> and remove length attribute.
3241 2010-04-20 James E. Wilson <wilson@codesourcery.com>
3243 PR rtl-optimization/43520
3244 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
3245 zero available registers.
3247 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3249 * builtins.c (fold_builtin_cproj): Fold more cases.
3251 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
3254 (fold_builtin_1): Fold builtin cproj.
3255 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
3256 Use ATTR_CONST_NOTHROW_LIST.
3258 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
3260 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
3261 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
3262 ffsi2_no_cmove for !TARGET_CMOVE.
3263 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
3264 (ffssi2): Remove expander.
3265 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
3267 (ctz<mode>2): Ditto from ctz{si,di}2.
3268 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
3270 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
3273 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3275 * dwarf2out.c (AT_linkage_name): Define.
3276 (clone_as_declaration): Handle DW_AT_linkage_name.
3277 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
3278 of DW_AT_MIPS_linkage_name.
3279 (move_linkage_attr): Likewise.
3280 (dwarf2out_finish): Likewise.
3282 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
3285 * fold-const.c (fold_comparison): New folding rule.
3287 2010-04-20 Anatoly Sokolov <aesok@post.ru>
3289 * double-int.h (double_int_setbit): Declare.
3290 * double-int.c (double_int_setbit): New function.
3291 * rtl.h (immed_double_int_const): Declare.
3292 * emit-rtl.c (immed_double_int_const): New function.
3293 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
3294 and immed_double_int_const functions.
3295 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
3296 expand_copysign_bit): (Ditto.).
3297 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
3298 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
3299 * dojump.c (prefer_and_bit_test): (Ditto.).
3300 * expr.c (convert_modes, reduce_to_bit_field_precision,
3301 const_vector_from_tree): (Ditto.).
3302 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3304 2010-04-20 Jan Hubicka <jh@suse.cz>
3306 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
3307 (dump_cgraph_node): Dump new flags.
3308 * cgraph.h (struct cgraph_node): Add flags
3309 reachable_from_other_partition and in_other_partition.
3310 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
3311 other partition can not be removed.
3312 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
3313 the other partition must be output; silence sanity checking on
3314 leaking functions bodies from other paritition.
3315 * lto-cgraph.c (reachable_from_other_partition_p): New function.
3316 (lto_output_node): Output new flags; do not sanity check that inline
3317 clones are output; drop lto_forced_extern_inline_p code; do not mock
3318 visibility flags at partition boundaries.
3319 (add_node_to): New function.
3320 (output_cgraph): Use it to sort functions so masters appear before
3322 (input_overwrite_node): Input new flags.
3323 * passes.c (ipa_write_summaries): Do not call
3324 lto_new_extern_inline_states.
3325 * lto-section-out.c (forced_extern_inline,
3326 lto_new_extern_inline_states lto_delete_extern_inline_states,
3327 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
3328 * lto-streamer.h (lto_new_extern_inline_states,
3329 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
3330 lto_forced_extern_inline_p): Kill.
3332 2010-04-20 Richard Guenther <rguenther@suse.de>
3334 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
3335 from vars that can have pointers.
3336 (process_constraint): Dump useless constraints.
3338 2010-04-20 Richard Guenther <rguenther@suse.de>
3340 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
3341 (dump_sa_points_to_info): Remove asserts.
3342 (init_base_vars): nothing_id isn't an escape point nor does it
3345 2010-04-20 Jakub Jelinek <jakub@redhat.com>
3347 * tree.h (TYPE_REF_IS_RVALUE): Define.
3348 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
3349 should_move_die_to_comdat, prune_unused_types_walk): Handle
3350 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
3351 (modified_type_die, gen_reference_type_die): Emit
3352 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
3353 if TYPE_REF_IS_RVALUE and -gdwarf-4.
3355 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3358 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
3359 calls for -fpic -m31 if they have been sibcall optimized.
3361 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3363 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
3364 ar.lc fixed and call-used.
3366 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
3368 2010-04-19 Jan Hubicka <jh@suse.cz>
3370 * opts.c (decode_options): Disable whpr incompatible passes.
3371 * lto/lto.c (lto_1_to_1_map): Skip clones.
3372 (read_cgraph_and_symbols): Do not mark everything as needed.
3373 (do_whole_program_analysis): Do map only after optimizing;
3374 set proper cgraph_state; use passmanager.
3376 2010-04-19 DJ Delorie <dj@redhat.com>
3378 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
3379 POINTER_PLUS_EXPR and fix them.
3381 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
3383 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
3384 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
3385 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
3386 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
3387 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
3388 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
3389 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
3390 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
3391 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
3392 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
3393 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
3395 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
3397 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
3398 (check_cond_move_block): Likewise.
3399 (cond_move_process_if_block): Likewise.
3400 (noce_find_if_block): Improve formatting.
3401 (find_if_header): Pass 0 to memset and tweak conditions.
3402 (cond_exec_find_if_block): Fix long lines and tweak conditions.
3404 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3406 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
3410 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
3411 with non-local decl doesn't need chain.
3413 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
3415 * ira-color.c (allocno_reload_assign): Avoid accumulating
3416 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
3418 2010-04-19 Martin Jambor <mjambor@suse.cz>
3420 * gimple.h (create_tmp_reg): Declare.
3421 * gimplify.c (create_tmp_reg): New function.
3422 (gimplify_return_expr): Use create_tmp_reg.
3423 (gimplify_omp_atomic): Likewise.
3424 (gimple_regimplify_operands): Likewise.
3425 * tree-dfa.c (make_rename_temp): Likewise.
3426 * tree-predcom.c (predcom_tmp_var): Likewise.
3427 (reassociate_to_the_same_stmt): Likewise.
3428 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
3429 (get_replaced_param_substitute): Likewise.
3430 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
3431 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
3432 * tree-ssa-pre.c (get_representative_for): Likewise.
3433 (create_expression_by_pieces): Likewise.
3434 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
3435 (create_tailcall_accumulator): Likewise.
3437 2010-04-19 Martin Jambor <mjambor@suse.cz>
3439 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
3441 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
3443 2010-04-19 Richard Guenther <rguenther@suse.de>
3445 PR tree-optimization/43796
3446 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
3447 from SCEV in the lattice.
3448 (vrp_visit_phi_node): Dump change.
3450 2010-04-19 Richard Guenther <rguenther@suse.de>
3452 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
3453 * configure: Re-generated.
3455 2010-04-19 Richard Guenther <rguenther@suse.de>
3457 PR tree-optimization/43783
3458 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
3459 constant ARRAY_REF operands two and three if possible.
3461 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
3464 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
3466 2010-04-19 Jie Zhang <jie@codesourcery.com>
3469 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
3471 2010-04-19 Ira Rosen <irar@il.ibm.com>
3473 PR tree-optimization/37027
3474 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
3475 and macro to access it.
3476 (vectorizable_reduction): Add argument.
3477 (vect_get_slp_defs): Likewise.
3478 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
3479 statements for possible use in SLP.
3480 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
3481 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
3482 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
3484 (vectorizable_reduction): Likewise.
3485 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
3487 (vectorizable_type_demotion, vectorizable_type_promotion,
3488 vectorizable_store): Likewise.
3489 (vect_analyze_stmt): Update call to vectorizable_reduction.
3490 (vect_transform_stmt): Likewise.
3491 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
3492 (vect_build_slp_tree): Fix indentation. Check that there are no loads
3493 from different interleaving chains in same node.
3494 (vect_slp_rearrange_stmts): New function.
3495 (vect_supported_load_permutation_p): Allow load permutations for
3496 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
3497 inside SLP nodes if necessary.
3498 (vect_analyze_slp_instance): Handle reductions.
3499 (vect_analyze_slp): Try to build SLP instances originating from groups
3501 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
3502 (vect_get_constant_vectors): Create initial vectors for reductions
3503 according to reduction code. Add new argument.
3504 (vect_get_slp_defs): Add new argument, pass it to
3505 vect_get_constant_vectors.
3506 (vect_schedule_slp_instance): Remove SLP tree root statements.
3508 2010-04-19 Jakub Jelinek <jakub@redhat.com>
3510 * tree.h (ENUM_IS_SCOPED): Define.
3511 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
3512 for ENUM_IS_SCOPED enums.
3514 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
3516 * fold-const.c (fold_comparison): Use ssizetype.
3517 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
3518 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
3519 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
3520 * tree-object-size.c (compute_object_sizes): Use size_type_node.
3522 * tree.h (initialize_sizetypes): Remove parameter.
3523 (build_common_tree_nodes): Remove second parameter.
3524 * stor-layout.c (initialize_sizetypes): Remove parameter.
3525 Always create an unsigned type.
3526 (set_sizetype): Assert that the passed type is unsigned and simplify.
3527 * tree.c (build_common_tree_nodes): Remove second parameter.
3528 Adjust call to initialize_sizetypes.
3529 * c-decl.c (c_init_decl_processing): Remove second argument in call to
3530 build_common_tree_nodes.
3532 2010-04-18 Matthias Klose <doko@ubuntu.com>
3534 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
3536 2010-04-18 Ira Rosen <irar@il.ibm.com>
3538 PR tree-optimization/43771
3539 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
3540 load permutation doesn't have gaps.
3542 2010-04-18 Jan Hubicka <jh@suse.cz>
3544 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
3545 (sse_prologue_save_insn expander): Use new pattern.
3546 (sse_prologue_save_insn1): New pattern and splitter.
3547 (sse_prologue_save_insn): Update to deal also with 64bit aligned
3549 * i386.c (setup_incoming_varargs_64): Do not compute jump
3551 (ix86_gimplify_va_arg): Update alignment needed.
3552 (ix86_local_alignment): Do not align all local arrays to 128bit.
3554 2010-04-17 Jan Hubicka <jh@suse.cz>
3556 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
3558 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3560 * arm.md (negdi2): Remove redundant code to force values into a
3563 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3565 * arm/bpabi.S: Add EABI alignment attributes to objects.
3566 * arm/bpabi-v6m.S: Likewise.
3567 * arm/crti.asm: Likewise.
3568 * arm/crtn.asm: Likewise.
3569 * arm/lib1funcs.asm: Likewise.
3570 * arm/libunwind.S: Likewise.
3572 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
3574 * arm-protos.h (tune_params): New structure.
3575 * arm.c (current_tune): New variable.
3576 (arm_constant_limit): Delete.
3577 (struct processors): Add pointer to the tune parameters.
3578 (arm_slowmul_tune): New tuning option.
3579 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
3580 (all_cores): Adjust to pick up the tuning model.
3581 (arm_constant_limit): New function.
3582 (arm_override_options): Select the appropriate tuning model. Delete
3583 initialization of arm_const_limit.
3584 (arm_split_constant): Use the new constant-limit model.
3585 (arm_rtx_costs): Pick up the current tuning model.
3586 * arm.md (is_strongarm, is_xscale): Delete.
3587 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
3588 for Xscale variant architectures.
3589 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
3591 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3593 * config/arm/arm.c (arm_gen_constant): Remove unused variable
3595 (arm_rtx_costs_1): Remove unused variable extra_cost.
3596 (arm_unwind_emit_set): Use variable offset.
3597 (thumb1_output_casesi): Remove unused variable flags.
3599 2010-04-16 Jeff Law <law@redhat.com>
3601 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
3602 needing assignment rather than doing a two-phase assignment. Remove
3603 unused variable 'm'.
3605 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3608 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
3610 2010-04-16 Doug Kwan <dougkwan@google.com>
3612 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
3613 (next_operand_entry_id): New static variable.
3614 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
3615 (add_to_ops_vec): Assigned unique ID to operand entry.
3616 (struct oecount_s): New field ID.
3617 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
3618 (undistribute_ops_list): Assign unique IDs to oecounts.
3619 (init_reassoc): reset next_operand_entry_id.
3621 2010-04-16 Doug Kwan <dougkwan@google.com>
3623 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
3624 missing left parenthesis.
3626 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
3628 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
3629 *btdi_rex64 using SWI48 mode iterator.
3630 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
3631 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
3632 *jcc_btdi_mask_rex64.
3634 2010-04-16 Anatoly Sokolov <aesok@post.ru>
3636 * double-int.h (tree_to_double_int): Convert to macro.
3637 * double-int.c (tree_to_double_int): Remove.
3639 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3642 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
3643 with want_address 2 and in case a single element list might be
3644 possible, call it again with want_address 0.
3646 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3648 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
3649 case 'W' print operands for HI mode.
3650 * config/h8300/h8300.h (Y0, Y2) : New constraints.
3651 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
3652 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
3653 * config/h8300/predicate.md (bit_register_indirect_operand): New.
3655 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
3657 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
3658 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
3659 #xx:3 and #xx:4 mode.
3661 * config/h8300/h8300.md (inverted load with HImode dest): Add
3662 support for H8300SX.
3664 * config/h8300/predicate.md (bit_operand): Allow immediate values that
3665 satisfy 'U' constraint.
3667 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3669 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
3670 * configure: Regenerate.
3671 * config.in: Regenerate.
3672 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
3675 2010-04-16 Richard Guenther <rguenther@suse.de>
3677 * tree.h (struct tree_decl_minimal): Move pt_uid ...
3678 (struct tree_decl_common): ... here.
3679 (DECL_PT_UID): Adjust.
3680 (SET_DECL_PT_UID): Likewise.
3681 (DECL_PT_UID_SET_P): Likewise.
3683 2010-04-16 Richard Guenther <rguenther@suse.de>
3685 PR tree-optimization/43572
3686 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
3687 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
3688 * tree-flow.h (is_call_clobbered): Remove.
3689 * tree-flow-inline.h (is_call_clobbered): Likewise.
3690 * tree-dfa.c (dump_variable): Do not dump call clobber state.
3691 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
3692 (execute_return_slot_opt): Adjust.
3693 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
3694 check for call clobbered vars here.
3695 (find_tail_calls): Move tailcall verification to the
3698 2010-04-16 Diego Novillo <dnovillo@google.com>
3700 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
3702 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3705 * config/arm/arm.md (cbranchqi4): New pattern.
3706 * config/arm/predicates.md (const0_operand,
3707 cbranchqi4_comparison_operator): New predicates.
3709 2010-04-16 Richard Guenther <rguenther@suse.de>
3711 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
3712 (dump_gimple_stmt): Likewise.
3714 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
3716 * recog.h (struct recog_data): New field is_operator.
3717 (struct insn_operand_data): New field is_operator.
3718 * recog.c (extract_insn): Set recog_data.is_operator.
3719 * genoutput.c (output_operand_data): Emit code to set the
3721 * reload.c (find_reloads): Use it rather than testing for an
3722 empty constraint string.
3725 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
3726 If the previous insn is a cbranchsi4_insn with the same arguments,
3727 omit the compare instruction.
3729 * config/arm/arm.md (addsi3_cbranch): If destination is a high
3730 register, inputs must be low registers and we need a low register
3731 scratch. Handle alternative 2 like alternative 3.
3733 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3735 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
3736 don't call get_addr on both. If one expression is a VALUE and
3737 the other a REG, check VALUE's locs if the REG isn't among them.
3739 2010-04-16 Christian Bruel <christian.bruel@st.com>
3741 * config/sh/sh.h (sh_frame_pointer_required): New function.
3742 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
3743 (flag_omit_frame_pointer) Set.
3744 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
3745 (rounded_frame_size): Adjust size with outgoing_args_size.
3746 (sh_set_return_address): Must return from stack pointer.
3747 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
3748 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
3749 (ACCUMULATE_OUTGOING_ARGS): Define.
3750 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
3751 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
3753 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3756 * config/sh/sh.c (sh_legitimize_reload_address): Use
3757 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
3758 Remove a unneeded check for offset_base.
3760 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
3762 * configure: Regenerated.
3764 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3766 * config/s390/s390.c (s390_call_save_register_used): Switch back
3767 to HARD_REGNO_NREGS.
3769 2010-04-15 Richard Guenther <rguenther@suse.de>
3771 * alias.c (alias_set_subset_of): Handle alias-set zero
3774 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
3775 Julian Brown <julian@codesourcery.com>
3777 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
3778 alternatives according to use of high and low regs.
3779 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
3780 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
3781 optimizing for size on Thumb-2.
3783 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
3785 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
3787 2010-04-15 Richard Guenther <rguenther@suse.de>
3789 * tree-ssa-structalias.c (struct variable_info): Add
3791 (new_var_info): Initialize it.
3792 (dump_constraints): Support printing last added constraints.
3793 (debug_constraints): Adjust.
3794 (dump_constraint_graph): Likewise.
3795 (make_heapvar_for): Check for NULL cfun.
3796 (get_function_part_constraint): New function.
3797 (get_fi_for_callee): Likewise.
3798 (find_func_aliases): Properly implement IPA PTA constraints.
3799 (process_ipa_clobber): New function.
3800 (find_func_clobbers): Likewise.
3801 (insert_into_field_list_sorted): Remove.
3802 (create_function_info_for): Properly allocate vars for IPA mode.
3803 Do not use insert_into_field_list_sorted.
3804 (create_variable_info_for): Properly generate constraints for
3805 global vars in IPA mode.
3806 (dump_solution_for_var): Always dump the solution.
3807 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
3808 (find_what_var_points_to): Adjust.
3809 (pt_solution_set): Change.
3810 (pt_solution_ior_into): New function.
3811 (pt_solution_empty_p): Export.
3812 (pt_solution_includes_global): Adjust.
3813 (pt_solution_includes_1): Likewise.
3814 (pt_solutions_intersect_1): Likewise.
3815 (dump_sa_points_to_info): Check some invariants.
3816 (solve_constraints): Move constraint dumping ...
3817 (compute_points_to_sets): ... here.
3818 (ipa_pta_execute): ... and here.
3819 (compute_may_aliases): Do not re-compute points-to info
3820 locally if IPA info is available.
3821 (ipa_escaped_pt): New global var.
3822 (ipa_pta_execute): Properly implement IPA PTA.
3823 * tree-into-ssa.c (dump_decl_set): Support dumping
3824 decls not in referenced-vars.
3825 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
3826 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
3827 (dump_points_to_solution): Likewise.
3828 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
3829 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
3830 (remap_gimple_stmt): Reset call clobber/use information if necessary.
3831 (copy_decl_to_var): Copy DECL_PT_UID.
3832 (copy_result_decl_to_var): Likewise.
3833 * tree.c (make_node_stat): Initialize DECL_PT_UID.
3834 (copy_node_stat): Copy it.
3835 * tree.h (DECL_PT_UID): New macro.
3836 (SET_DECL_PT_UID): Likewise.
3837 (DECL_PT_UID_SET_P): Likewise.
3838 (struct tree_decl_minimal): Add pt_uid member.
3839 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
3840 (pt_solution_empty_p): Declare.
3841 (pt_solution_set): Adjust.
3842 (ipa_escaped_pt): Declare.
3843 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
3844 * gimple-pretty-print.c (pp_points_to_solution): New function.
3845 (dump_gimple_call): Dump call clobber/use information.
3846 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
3847 * tree-pass.h (TDF_ALIAS): New dump option.
3848 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
3849 * doc/invoke.texi (-fipa-pta): Update documentation.
3851 2010-04-15 Richard Guenther <rguenther@suse.de>
3853 * Makefile.in (OBJS-common): Add gimple-fold.o.
3854 (gimple-fold.o): New rule.
3855 * tree.h (maybe_fold_offset_to_reference,
3856 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
3858 * gimple.h: ... here.
3859 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
3860 may_propagate_address_into_dereference): Move prototypes ...
3861 * gimple.h: ... here.
3862 * tree-ssa-ccp.c (get_symbol_constant_value,
3863 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
3864 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
3865 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
3866 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
3867 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
3868 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
3869 gimplify_and_update_call_from_tree): Move ...
3870 * gimple-fold.c: ... here. New file.
3871 (ccp_fold_builtin): Rename to ...
3872 (gimple_fold_builtin): ... this.
3873 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
3875 2010-04-15 Richard Guenther <rguenther@suse.de>
3877 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
3878 fit_double_type, force_fit_type_double, add_double_with_sign,
3879 neg_double, mul_double_with_sign, lshift_double, rshift_double,
3880 lrotate_double, rrotate_double, div_and_round_double): Move ...
3881 * double-int.c: ... here.
3882 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
3883 add_double, neg_double, mul_double_with_sign, mul_double,
3884 lshift_double, rshift_double, lrotate_double, rrotate_double,
3885 div_and_round_double): Move prototypes ...
3886 * double-int.h: ... here.
3888 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
3891 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
3892 matching constraints to ensure inputs match the output.
3894 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
3897 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
3898 in an input-only operand.
3900 2010-04-15 Anatoly Sokolov <aesok@post.ru>
3902 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
3903 (double_int_not, double_int_lshift, double_int_rshift): Declare.
3904 (double_int_negative_p): Convert to static inline function.
3905 * double-int.c (double_int_lshift, double_int_lshift): New functions.
3906 (double_int_negative_p): Remove.
3907 * tree.h (lshift_double, rshift_double):
3908 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
3909 * fold-const.c (fold_convert_const_int_from_real,
3910 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
3911 (lshift_double): Change type of arith argument to bool.
3912 (rshift_double): Change type of arith argument to bool. Correct
3914 * expmed.c (mask_rtx, lshift_value): (Ditto.).
3916 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
3919 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
3920 at the start and end of the then/else blocks, and omit them from the
3922 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
3923 argument; all callers changed. Pass zero to old_insns_match_p instead.
3924 (flow_find_head_matching_sequence): New function.
3925 (old_insns_match_p): Check REG_EH_REGION notes for calls.
3926 * basic-block.h (flow_find_cross_jump,
3927 flow_find_head_matching_sequence): Declare functions.
3929 2010-04-14 Jason Merrill <jason@redhat.com>
3932 * c-common.c (attribute_takes_identifier_p): New fn.
3933 * c-common.h: Declare it.
3935 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3937 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3939 (*udivmod<mode>4): Ditto.
3941 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3943 * config/i386/i386.md (maxmin_int): Rename code attribute from
3944 maxminiprefix and update all users.
3945 (maxmin_float): Ditto from maxminfprefix.
3946 (logic): Ditto from logicprefix.
3947 (absneg_mnemonic): Ditto from absnegprefix.
3948 * config/i386/mmx.md: Update all users of maxminiprefix,
3949 maxminfprefix and logicprefix for rename.
3950 * config/i386/sse.md: Ditto.
3951 * config/i386/sync.md (sync_<code><mode>): Update for
3954 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
3957 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3958 warnings converted to errors.
3960 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3962 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3963 used insn_type variable.
3964 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3965 to avoid set-but-not-used warning.
3967 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
3969 * df-core.c (df_ref_debug): Change format string placeholder
3971 * dwarf2asm.c (dw2_asm_output_data_raw,
3972 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3973 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3974 * dwarf2out.c (output_cfi, output_cfi_directive,
3975 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3976 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3978 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3979 * print-rtl.c (print_rtx): Ditto.
3981 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3984 * builtins.c (expand_builtin_pow_root): New function to expand pow
3985 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3986 series of sqrt and cbrt calls under -ffast-math.
3987 (expand_builtin_pow): Call it.
3989 2010-04-14 Michael Matz <matz@suse.de>
3991 PR tree-optimization/42963
3992 * tree-cfg.c (touched_switch_bbs): New static variable.
3993 (group_case_labels_stmt): New function broken out from ...
3994 (group_case_labels): ... here, use the above.
3995 (start_recording_case_labels): Allocate touched_switch_bbs.
3996 (end_recording_case_labels): Deallocate it, call
3997 group_case_labels_stmt.
3998 (gimple_redirect_edge_and_branch): Remember index of affected BB.
4000 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4002 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
4005 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
4007 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
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