1 2009-04-04 Jan Hubicka <jh@suse.cz>
3 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
4 last_basic_block for size of bb->index indexed array.
5 * bt-load.c (compute_defs_uses_and_gen, compute_kill,
6 compute_out, link_btr_uses, build_btr_def_use_webs,
7 build_btr_def_use_webs, migrate_btr_defs): Likewise.
9 2009-04-04 Jan Hubicka <jh@suse.cz>
11 * except.c (remove_eh_handler_and_replace): Break out from ...
12 (remove_eh_handler): ... here.
13 (bring_to_root): New function.
14 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
15 handled ones, bring others to root of tree.
17 2009-04-04 Jan Hubicka <jh@suse.cz>
19 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
20 (all_phis_safe_to_merge): New function.
21 (update_info): New structure.
22 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
23 (cleanup_empty_eh): Update SSA if possible.
25 2009-04-04 Richard Guenther <rguenther@suse.de>
27 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
28 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
29 (append_vuse): Likewise.
31 2009-04-04 Jakub Jelinek <jakub@redhat.com>
33 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
34 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
35 instead of REG_UNSAVED for DW_CFA_undefined.
36 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
37 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
40 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
43 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
44 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
45 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
47 2009-04-04 Richard Guenther <rguenther@suse.de>
49 PR tree-optimization/8781
50 PR tree-optimization/37892
51 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
52 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
53 (valueize_refs): Call it for *& valueizations.
54 (shared_reference_ops_from_ref): Rename to ...
55 (valueize_shared_reference_ops_from_ref): ... this and valueize.
56 (shared_reference_ops_from_call): Rename to ...
57 (valueize_shared_reference_ops_from_call): ... this and valueize.
58 (vn_reference_lookup): Update.
59 (visit_reference_op_call): Likewise.
60 * tree-ssa-pre.c (phi_translate_1): Fold *&.
61 (eliminate): Value-replace the call address in call statements.
63 2009-04-04 Richard Guenther <rguenther@suse.de>
65 PR tree-optimization/39636
67 (forward_propagate_addr_into_variable_array_index): Check for
68 GIMPLE_ASSIGN before accessing the rhs code.
70 2009-04-03 Jason Merrill <jason@redhat.com>
72 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
74 2009-04-03 Steve Ellcey <sje@cup.hp.com>
76 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
77 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
78 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
79 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
80 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
81 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
82 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
83 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
84 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
85 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
86 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
87 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
88 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
89 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
90 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
91 Use fr_reg_or_fp01_operand instead of fr_register_operand
93 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
94 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
95 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
97 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
99 PR rtl-optimization/39607
100 PR rtl-optimization/39631
102 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
103 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
104 instead of DF_LR_OUT.
105 * ira-lives.c (process_bb_node_lives): Ditto.
106 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
107 instead of DF_LR_{OUT,IN}.
108 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
109 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
111 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
113 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
114 (execute_lower_omp): Always run but take the short way out if -fopenmp
116 (gate_lower_omp): Remove, forcing the pass manager to always run the
117 pass and always set PROP_gimple_lomp.
118 (pass_lower_omp): Remove gate function.
119 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
120 PROP_trees. Instead, require it.
121 * ipa-cp.c (pass_ipa_cp): Likewise.
122 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
123 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
124 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
127 2009-04-03 Richard Guenther <rguenther@suse.de>
130 PR tree-optimization/23940
131 PR tree-optimization/33237
134 PR tree-optimization/36201
135 PR tree-optimization/36230
136 PR tree-optimization/38049
137 PR tree-optimization/38207
138 PR tree-optimization/38230
139 PR tree-optimization/38301
140 PR tree-optimization/38585
142 PR tree-optimization/38985
143 PR tree-optimization/39299
144 * tree-ssa-structalias.h: Remove.
145 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
146 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
147 (struct vuse_element_d): Remove.
148 (struct vuse_vec_d): Likewise.
149 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
150 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
151 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
152 VUSE_ELEMENT_VAR): Likewise.
153 (struct voptype_d): Likewise.
154 (NUM_VOP_FREE_BUCKETS): Likewise.
155 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
156 (struct stmt_operands_d): Remove.
157 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
158 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
159 VDEF_NUM, VDEF_VECT): Likewise.
160 (copy_virtual_operands): Remove.
161 (operand_build_cmp): Likewise.
162 (create_ssa_artificial_load_stmt): Likewise.
163 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
164 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
165 vuse_index and mayuse_index members. Pack and move done and iter_type
166 members to the front.
167 (SSA_OP_VMAYUSE): Remove.
168 (SSA_OP_VIRTUAL_USES): Adjust.
169 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
170 (unlink_stmt_vdef): Declare.
171 (add_to_addressable_set): Remove.
172 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
173 (vrp_visit_stmt): Likewise.
174 * doc/tree-ssa.texi (Alias analysis): Update.
175 * doc/invoke.texi (max-aliased-vops): Remove docs.
176 (avg-aliased-vops): Likewise.
177 * tree-into-ssa.c (syms_to_rename): Remove.
178 (need_to_update_vops_p): Likewise.
179 (need_to_initialize_update_ssa_p): Rename to ...
180 (update_ssa_initialized_fn): ... this. Track function we are
182 (symbol_marked_for_renaming): Simplify.
183 (add_new_name_mapping): Do not set need_to_update_vops_p.
184 (dump_currdefs): Use SYMS_TO_RENAME.
185 (rewrite_update_stmt): Always walk all uses/defs.
186 (dump_update_ssa): Adjust.
187 (init_update_ssa): Take function argument. Track what we are
189 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
190 (create_new_def_for): Initialize for cfun, assert we are initialized
192 (mark_sym_for_renaming): Simplify.
193 (mark_set_for_renaming): Do not initialize update-ssa.
194 (need_ssa_update_p): Simplify. Take function argument.
195 (name_mappings_registered_p): Assert we ask for the correct function.
196 (name_registered_for_update_p): Likewise.
197 (ssa_names_to_replace): Likewise.
198 (release_ssa_name_after_update_ssa): Likewise.
199 (update_ssa): Likewise. Use SYMS_TO_RENAME.
200 (dump_decl_set): Do not print a newline.
201 (debug_decl_set): Do it here.
202 (dump_update_ssa): And here.
203 * tree-ssa-loop-im.c (move_computations): Adjust.
204 (movement_possibility): Likewise.
205 (determine_max_movement): Likewise.
206 (gather_mem_refs_stmt): Likewise.
207 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
209 * tree-complex.c (update_all_vops): Remove.
210 (expand_complex_move): Adjust.
211 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
212 Simplify test for memory referencing statement. Exclude
213 non-invariant ADDR_EXPRs.
214 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
215 * tree-loop-distribution.c (generate_memset_zero): Adjust.
216 (rdg_flag_uses): Likewise.
217 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
219 (tree_optimize_tail_calls_1): Also split the
220 edge from the entry block if we have degenerate PHI nodes in
221 the first basic block.
222 * tree.c (init_ttree): Remove memory-tag related code.
223 (tree_code_size): Likewise.
224 (tree_node_structure): Likewise.
225 (build7_stat): Re-write to be build6_stat.
226 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
228 (struct tree_memory_tag): Remove.
229 (struct tree_memory_partition_tag): Likewise.
230 (union tree_node): Adjust.
231 (build7): Re-write to be build6.
232 * tree-pass.h (pass_reset_cc_flags): Remove.
233 (TODO_update_address_taken): New flag.
234 (pass_simple_dse): Remove.
235 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
236 * params.h (MAX_ALIASED_VOPS): Remove.
237 (AVG_ALIASED_VOPS): Likewise.
238 * omp-low.c (expand_omp_taskreg): Update SSA form.
239 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
240 aliases the lhs in a copy stmt.
241 * tree-ssa-dse.c (struct address_walk_data): Remove.
242 (memory_ssa_name_same): Likewise.
243 (memory_address_same): Likewise.
244 (get_kill_of_stmt_lhs): Likewise.
245 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
246 unused stores. Look through PHI nodes into post-dominated regions.
247 (dse_optimize_stmt): Simplify. Properly remove stores.
248 (tree_ssa_dse): Compute dominators.
249 (execute_simple_dse): Remove.
250 (pass_simple_dse): Likewise.
251 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
252 gimple_loaded_syms and gimple_stored_syms computation.
253 * toplev.c (dump_memory_report): Dump alias and pta stats.
254 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
255 (vn_reference_eq): Likewise.
256 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
257 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
258 valueize_vuses): Remove.
259 (get_def_ref_stmt_vuses): Simplify. Rename to ...
260 (get_def_ref_stmt_vuse): ... this.
261 (vn_reference_lookup_2): New function.
262 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
263 walking equivalent vuses. Simplify.
264 (vn_reference_lookup): Likewise.
265 (vn_reference_insert): Likewise.
266 (vn_reference_insert_pieces): Likewise.
267 (visit_reference_op_call): Simplify.
268 (visit_reference_op_load): Likewise.
269 (visit_reference_op_store): Likewise.
270 (init_scc_vn): Remove shared_lookup_vuses initialization.
271 (free_scc_vn): Remove shared_lookup_vuses freeing.
272 (sort_vuses, sort_vuses_heap): Remove.
273 (get_ref_from_reference_ops): Export.
274 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
275 vector with single vuse pointer.
276 (vn_reference_lookup_pieces, vn_reference_lookup,
277 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
278 (shared_vuses_from_stmt): Remove.
279 (get_ref_from_reference_ops): Declare.
280 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
281 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
282 memory-tag related code.
283 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
284 (likely_value): Add comment, skip static-chain of call statements.
285 (surely_varying_stmt_p): Adjust.
286 (gimplify_and_update_call_from_tree): Likewise.
287 (execute_fold_all_builtins): Do not rebuild alias info.
288 (gimplify_and_update_call_from_tree): Properly update VOPs.
289 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
290 (copy_ref_info): Remove memory-tag related code.
291 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
292 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
293 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
295 * tree-ssa-dom.c (gimple_p): Remove typedef.
296 (eliminate_redundant_computations): Adjust.
297 (record_equivalences_from_stmt): Likewise.
298 (avail_expr_hash): Likewise.
299 (avail_expr_eq): Likewise.
300 * tree-ssa-propagate.c (update_call_from_tree): Properly
302 (stmt_makes_single_load): Likewise.
303 (stmt_makes_single_store): Likewise.
304 * tree-ssa-alias.c: Rewrite completely.
305 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
306 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
307 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
308 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
309 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
310 Remove public functions.
311 (pass_reset_cc_flags): Remove.
312 (pass_build_alias): Move ...
313 * tree-ssa-structalias.c (pass_build_alias): ... here.
314 * tree-ssa-alias.c (may_be_aliased): Move ...
315 * tree-flow-inline.h (may_be_aliased): ... here.
316 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
317 count_uses_and_derefs): Move ...
318 * gimple.c: ... here.
319 * gimple.h (count_uses_and_derefs): Declare.
320 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
321 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
322 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
323 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
324 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
325 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
326 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
328 * tree-dfa.c (refs_may_alias_p): Move ...
329 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
330 * tree-ssa-alias.h: New file.
331 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
332 (statement_sink_location): Likewise.
333 * opts.c (decode_options): Do not adjust max-aliased-vops or
334 avg-aliased-vops values.
335 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
336 (TV_CALL_CLOBBER): Likewise.
337 (TV_FLOW_SENSITIVE): Likewise.
338 (TV_FLOW_INSENSITIVE): Likewise.
339 (TV_MEMORY_PARTITIONING): Likewise.
340 (TV_ALIAS_STMT_WALK): New timevar.
341 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
342 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
343 (get_address_description): Remove memory-tag related code.
344 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
345 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
346 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
347 and immediate uses in statements. Document.
348 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
349 (dump_symbols): Remove.
350 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
351 * alias.c (get_deref_alias_set): New function split out from ...
352 (get_alias_set): ... here.
353 * alias.h (get_deref_alias_set): Declare.
354 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
355 type parameter. Remove restrict pointer handling. Create a
356 ref-all pointer in case type-based alias sets do not conflict.
357 (vect_analyze_data_refs): Remove SMT related code.
358 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
359 (vectorizable_load): Likewise.
360 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
361 (DR_SYMBOL_TAG, DR_VOPS): Remove.
362 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
363 Ignore vops and SMTs.
364 (dr_analyze_alias): Likewise..
365 (free_data_ref): Likewise.
366 (create_data_ref): Likewise.
367 (analyze_all_data_dependences): Likewise.
368 (get_references_in_stmt): Adjust.
369 * tree-flow-inline.h (gimple_aliases_computed_p,
370 gimple_addressable_vars, gimple_call_clobbered_vars,
371 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
372 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
373 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
374 gimple_mem_ref_stats): Remove.
375 (gimple_vop): New function.
376 (op_iter_next_use): Remove vuses and mayuses cases.
377 (op_iter_next_def): Remove vdefs case.
378 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
379 (clear_and_done_ssa_iter): Do not set removed fields.
380 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
381 Assert we are not iterating over vuses or vdefs if not also
382 iterating over uses or defs.
383 (op_iter_init_use): Likewise.
384 (op_iter_init_def): Likewise.
385 (op_iter_next_vdef): Remove.
386 (op_iter_next_mustdef): Likewise.
387 (op_iter_init_vdef): Likewise.
388 (compare_ssa_operands_equal): Likewise.
389 (link_use_stmts_after): Handle vuse operand.
390 (is_call_used): Use is_call_clobbered.
391 (is_call_clobbered): Global variables are always call clobbered,
392 query the call-clobbers bitmap.
393 (mark_call_clobbered): Ignore global variables.
394 (clear_call_clobbered): Likewise.
395 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
396 virtual operands sanity check.
397 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
399 (TARGET_MEM_REF): Remove TMR_TAG operand.
400 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
401 Remove call-clobber related code.
402 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
403 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
404 partitions or escape reason.
405 (get_single_def_stmt, get_single_def_stmt_from_phi,
406 get_single_def_stmt_with_phi): Remove.
407 (dump_referenced_vars): Tidy.
408 (get_ref_base_and_extent): Allow bare decls.
409 (collect_dfa_stats): Adjust.
410 * graphite.c (rename_variables_in_stmt): Adjust.
411 (graphite_copy_stmts_from_block): Likewise.
412 (translate_clast): Likewise.
413 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
415 (translate_vuse_through_block): Use the oracle.
416 (phi_translate_1): Adjust.
417 (value_dies_in_block_x): Use the oracle. Cache the outcome
419 (valid_in_sets): Check if the VUSE for
420 a REFERENCE is available.
421 (eliminate): Do not remove stmts during elimination,
422 instead queue and remove them afterwards.
423 (do_pre): Do not rebuild alias info.
424 (pass_pre): Run TODO_rebuild_alias before PRE.
425 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
426 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
427 (mark_all_v_defs_stmt): Remove.
428 (mark_all_v_defs_seq): Adjust.
429 (sra_replace): Likewise.
430 (scalarize_use): Likewise.
431 (scalarize_copy): Likewise.
432 (scalarize_init): Likewise.
433 (scalarize_ldst): Likewise.
435 (tree_sra): Do not rebuild alias info.
436 (tree_sra_early): Adjust.
437 (pass_sra): Run TODO_update_address_taken before SRA.
438 * tree-predcom.c (set_alias_info): Remove.
439 (prepare_initializers_chain): Do not call it.
440 (mark_virtual_ops_for_renaming): Adjust.
441 (mark_virtual_ops_for_renaming_list): Remove.
442 (initialize_root_vars): Adjust.
443 (initialize_root_vars_lm): Likewise.
444 (prepare_initializers_chain): Likewise.
445 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
446 (may_propagate_copy_into_stmt): Likewise.
447 (merge_alias_info): Do nothing for now.
448 (propagate_tree_value_into_stmt): Adjust.
449 (stmt_may_generate_copy): Likewise.
450 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
451 not mark symbols for renaming.
452 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
453 with the same statement, make sure to update the new pointed-to one.
454 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
455 call statements, do not mark symbols for renaming.
456 (mark_operand_necessary): Dump something.
457 (ref_may_be_aliased): New function.
458 (mark_aliased_reaching_defs_necessary_1): New helper function.
459 (mark_aliased_reaching_defs_necessary): Likewise.
460 (mark_all_reaching_defs_necessary_1): Likewise.
461 (mark_all_reaching_defs_necessary): Likewise.
462 (propagate_necessity): Do not process virtual PHIs. For
463 non-aliased loads mark all reaching definitions as necessary.
464 For aliased loads and stores mark the immediate dominating
465 aliased clobbers as necessary.
466 (visited): New global static.
467 (perform_tree_ssa_dce): Free visited bitmap after propagating
469 (remove_dead_phis): Perform simple dead virtual PHI removal.
470 (remove_dead_stmt): Properly unlink virtual operands when
472 (eliminate_unnecessary_stmts): Schedule PHI removal after
474 * tree-ssa-ter.c (is_replaceable_p): Adjust.
475 (process_replaceable): Likewise.
476 (find_replaceable_in_bb): Likewise.
477 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
478 based on the single gimple vop.
479 (verify_flow_insensitive_alias_info): Remove.
480 (verify_flow_sensitive_alias_info): Likewise.
481 (verify_call_clobbering): Likewise.
482 (verify_memory_partitions): Likewise.
483 (verify_alias_info): Likewise.
484 (verify_ssa): Adjust..
485 (execute_update_addresses_taken): Export. Update SSA
486 manually. Optimize only when optimizing. Use a local bitmap.
487 (pass_update_address_taken): Remove TODO_update_ssa, add
489 (pass_update_address_taken): Just use TODO_update_address_taken.
490 (init_tree_ssa): Do not initialize addressable_vars.
491 (verify_ssa): Verify new VUSE / VDEF properties.
492 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
493 Do not call verify_alias_info.
494 (delete_tree_ssa): Clear the VUSE, VDEF operands.
495 Do not free the loaded and stored syms bitmaps. Reset the escaped
496 and callused solutions. Do not free addressable_vars.
497 Remove memory-tag related code.
498 (warn_uninitialized_var): Aliases are always available.
499 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
500 * lambda-code.c (can_put_in_inner_loop): Adjust.
501 (can_put_after_inner_loop): Likewise.
502 (perfect_nestify): Likewise.
503 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
504 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
505 (vectorizable_conversion): Do not mark symbols for renaming.
506 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
507 (expand_call_inline): Unlink the calls virtual operands before
509 (tree_function_versioning): Do not call update_ssa if we are not
510 updating clones. Simplify.
511 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
512 (propagate_with_phi): Likewise..
513 * tree-outof-ssa.c (create_temp): Remove memory tag and call
514 clobber code. Assert we are not aliased or global.
515 * tree-flow.h: Include tree-ssa-alias.h
516 (enum escape_type): Remove.
517 (struct mem_sym_stats_d): Likewise.
518 (struct mem_ref_stats_d): Likewise.
519 (struct gimple_df): Add vop member. Remove global_var,
520 call_clobbered_vars, call_used_vars, addressable_vars,
521 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
522 escaped and callused members.
523 (struct ptr_info_def): Remove all members, add points-to solution
525 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
526 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
527 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
528 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
529 (tree-ssa-alias.o): Likewise.
530 (toplev.o): Add tree-ssa-alias.h
531 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
532 * gimple.c (gimple_set_bb): Fix off-by-one error.
533 (is_gimple_reg): Do not handle memory tags.
534 (gimple_copy): Also copy virtual operands.
535 Delay updating the statement. Do not reset loaded and stored syms.
536 (gimple_set_stored_syms): Remove.
537 (gimple_set_loaded_syms): Likewise.
538 (gimple_call_copy_skip_args): Copy the virtual operands
539 and mark the new statement modified.
540 * tree-ssa-structalias.c (may_alias_p): Remove.
541 (set_uids_in_ptset): Take the alias set to prune with as
542 parameter. Fold in the alias test of may_alias_p.
543 (compute_points_to_sets): Compute whether a ptr is dereferenced
545 (process_constraint): Deal with &ANYTHING on the lhs, reject all
546 other ADDRESSOF constraints on the lhs.
547 (get_constraint_for_component_ref): Assert that we don't get
548 ADDRESSOF constraints from the base of the reference.
549 Properly generate UNKNOWN_OFFSET for DEREF if needed.
550 (struct variable_info): Remove collapsed_to member.
551 (get_varinfo_fc): Remove.
552 (new_var_info): Do not set collapsed_to.
553 (dump_constraint): Do not follow cycles.
554 (dump_constraint_graph): Likewise.
555 (build_pred_graph): Likewise.
556 (build_succ_graph): Likewise.
557 (rewrite_constraints): Likewise.
558 (do_simple_structure_copy): Remove.
559 (do_rhs_deref_structure_copy): Remove.
560 (do_lhs_deref_structure_copy): Remove.
561 (collapse_rest_of_var): Remove.
562 (do_structure_copy): Re-implement.
563 (pta_stats): New global variable.
564 (dump_pta_stats): New function.
565 (struct constraint_expr): Make offset signed.
566 (UNKNOWN_OFFSET): Define special value.
567 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
568 (solution_set_expand): New helper function split out from ...
569 (do_sd_constraint): ... here.
570 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
571 (do_ds_constraint): Likewise.
572 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
573 and CALLUSED = *CALLUSED.
574 (set_union_with_increment): Make inc argument signed.
576 (get_constraint_for_ptr_offset): Handle unknown and negative
578 (first_vi_for_offset): Handle offsets before start. Bail
579 out early for offsets beyond the variable extent.
580 (first_or_preceding_vi_for_offset): New function.
581 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
582 Together with ESCAPED = *ESCAPED this properly computes reachability.
583 (find_what_var_points_to): New function.
584 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
585 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
586 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
587 pt_solutions_intersect): New functions.
588 (compute_call_used_vars): Remove.
589 (compute_may_aliases): New main entry into PTA computation.
590 * gimple.h (gimple_p): New typedef.
591 (struct gimple_statement_base): Remove references_memory_p.
592 (struct gimple_statement_with_memory_ops_base): Remove
593 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
595 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
596 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
597 gimple_set_references_memory): Remove.
598 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
599 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
601 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
602 (verify_expr): Allow RESULT_DECL.
603 (gimple_duplicate_bb): Do not copy virtual operands.
604 (gimple_duplicate_sese_region): Adjust.
605 (gimple_duplicate_sese_tail): Likewise.
606 (mark_virtual_ops_in_region): Remove.
607 (move_sese_region_to_fn): Do not call it.
608 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
610 (execute_function_todo): Handle TODO_update_address_taken,
611 call execute_update_addresses_taken for TODO_rebuild_alias.
612 (execute_todo): Adjust.
613 (execute_one_pass): Init dump files early.
614 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
616 (create_general_new_stmt): Clear vops.
617 * tree-ssa-reassoc.c (get_rank): Adjust.
618 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
619 symbols for renaming.
620 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
621 (PARAM_AVG_ALIASED_VOPS): Likewise.
622 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
623 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
624 * tree-ssa-operands.c: Simplify for new virtual operand
626 (operand_build_cmp, copy_virtual_operands,
627 create_ssa_artificial_load_stmt, add_to_addressable_set,
628 gimple_add_to_addresses_taken): Remove public functions.
629 (unlink_stmt_vdef): New function.
631 2009-04-03 Alan Modra <amodra@bigpond.net.au>
633 * config.gcc (powerpc-*-linux*): Merge variants.
635 2009-04-02 Chao-ying Fu <fu@mips.com>
636 James Grosbach <james.grosbach@microchip.com>
638 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
639 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
641 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
642 keep_interrupts_masked_p, use_debug_exception_return_p.
643 (mips_attribute_table): Add interrupt, use_shadow_register_set,
644 keep_interrupts_masked, use_debug_exception_return.
645 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
646 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
648 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
649 (mips_print_operand): Process COP0 registers to print $0 .. $31
650 correctly for GAS to process.
651 (mips_interrupt_extra_call_saved_reg_p): New function.
652 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
654 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
655 (mips_compute_frame_info): Add supports for interrupt context that
656 includes doubleword accumulators and COP0 registers.
657 (mips_for_each_saved_acc): New function.
658 (mips_for_each_saved_gpr_and_fpr): Change the function name from
659 mips_for_each_saved_reg.
660 (mips_save_reg): Save accumulators.
661 (mips_kernel_reg_p): A new for_each_rtx callback.
662 (mips_expand_prologue): Support interrupt handlers.
663 (mips_restore_reg): Restore accumulators.
664 (mips_expand_epilogue): Support interrupt handlers.
665 (mips_can_use_return_insn): Return false for interrupt handlers.
666 (mips_epilogue_uses): New function.
667 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
668 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
669 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
670 cop0_move): New instructions.
671 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
672 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
674 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
676 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
677 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
678 interrupt handlers, we use K0 as the temporary register.
679 (EPILOGUE_USES): Change to a function call.
680 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
681 handlers, we use K0 as the temporary register.
683 * doc/extend.texi (Function Attributes): Document interrupt,
684 use_shadow_register_set, keep_interrupts_masked,
685 use_debug_exception_return for MIPS attributes.
687 2009-04-03 Alan Modra <amodra@bigpond.net.au>
689 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
690 Remove a number of t-files from tmake_file.
691 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
692 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
693 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
694 target_prototype, not TARGET_PROTOTYPE.
695 (LINK_OS_GNU_SPEC): Define.
696 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
697 and darwin-ldoubdle.c.
699 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
702 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
703 (cpp_options): Ditto.
704 (default_compilers): Ditto.
705 (display_help): Ditto.
706 (process_command): Ditto.
708 (set_input): Use lbasename instead of duplicate code.
709 (save_temps_prefix): New static for -save-temps=obj.
710 (save_temps_length): Ditto.
712 * doc/invoke.texi (-save-temps=obj): Document new variant to
715 2009-04-02 Jeff Law <law@redhat.com>
717 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
720 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
722 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
723 * configure: Regenerated.
725 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
727 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
728 share the argument list.
730 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
734 2009-02-12 Diego Novillo <dnovillo@google.com>
736 * varpool.c (debug_varpool): New.
737 * cgraph.h (debug_varpool): Declare.
739 2009-04-02 Jan Hubicka <jh@suse.cz>
741 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
744 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
746 * config/i386/i386.c (ix86_abi): Move initialization to ...
747 (override_options): Here.
749 2009-04-02 Christian Bruel <christian.bruel@st.com>
751 * config/sh/sh.c (sh_dwarf_register_span): New function.
752 (TARGET_DWARF_REGISTER_SPAN): Define.
753 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
755 2009-04-02 Ira Rosen <irar@il.ibm.com>
757 PR tree-optimization/39595
758 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
759 interleaved loads group is not greater than the SLP group size.
761 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
763 * builtins.c (is_builtin_name): New.
764 (called_as_built_in): Use is_builtin_name.
765 * tree.h (is_builtin_name): New.
766 * varasm.c (incorporeal_function_p): Use is_builtin_name
768 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
770 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
772 2009-04-02 Dodji Seketeli <dodji@redhat.com>
775 * c-decl.c: (clone_underlying_type): Move this ...
776 * c-common.c (set_underlying_type): ... here.
777 Also, make sure the function properly sets TYPE_STUB_DECL() on
778 the newly created typedef variant type.
779 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
780 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
782 2009-04-02 Richard Guenther <rguenther@suse.de>
784 PR tree-optimization/37221
785 * tree-flow.h (degenerate_phi_result): Declare.
786 * tree-ssa-dom.c (degenerate_phi_result): Export.
787 * tree-scalar-evolution.c (analyze_initial_condition): If
788 the initial condition is defined by a degenerate PHI node
789 use the degenerate value.
791 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
793 PR rtl-optimization/39588
794 * combine.c (merge_outer_ops): Do not set the constant when this
796 (simplify_shift_const_1): Do not modify it either in this case.
798 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
800 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
801 tuning is deprecated if -mtune value is set to an Itanium1 variant.
803 2009-04-01 Janis Johnson <janis187@us.ibm.com>
806 * c-lex.c (interpret_float): Default (no suffix) is double.
808 2009-04-1 Xinliang David Li <davidxl@google.com>
810 * config/i386/i386.c (legitimate_constant_p): Recognize
811 all one vector constant.
813 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
815 * gcc/config/vax/vax.c: Add #includes to silence warnings.
816 Change #include order to silence two warnings.
818 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
820 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
821 (ASM_SPEC): Pass -k to the assembler for PIC code.
823 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
825 * gcc/config.gcc: Add vax-*-linux* to the switch.
826 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
827 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
829 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
831 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
832 Use predicate macros instead of GET_CODE() == foo.
833 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
834 ashlsi3, rotrsi3, <unnamed>): Likewise.
836 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
838 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
839 jbbccihi, jbbccisi): Remova trailing whitespace.
840 * gcc/config/vax/constraints.md: Likewise.
841 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
842 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
843 * gcc/config/vax/predicates.md: Likewise.
844 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
845 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
846 * gcc/config/vax/vax.h: Likewise.
847 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
849 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
851 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
852 (indirectable_address_p, adjacent_operands_p): Add spaces around
854 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
856 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
858 * gcc/config/vax/vax.c (legitimate_constant_address_p,
859 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
860 index_term_p, reg_plus_index_p, legitimate_address_p,
861 vax_mode_dependent_address_p): Update comments to match functions
862 modified by the recent int->bool conversion.
864 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
866 * gcc/config/vax/builtins.md: Update copyright message.
867 * gcc/config/vax/constraints.md: Likewise.
868 * gcc/config/vax/netbsd-elf.h: Likewise.
869 * gcc/config/vax/predicates.md: Likewise.
870 * gcc/config/vax/vax-protos.h: Likewise.
871 * gcc/config/vax/vax.c: Likewise.
872 * gcc/config/vax/vax.h: Likewise.
873 * gcc/config/vax/vax.md: Likewise.
874 * gcc/config/vax/vax.opt: Likewise.
876 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
878 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
879 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
880 * gcc/config/vax/constraints.md (B, R): Likewise.
881 * gcc/config/vax/predicates.md (external_memory_operand,
882 nonimmediate_addsub_di_operand): Likewise.
883 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
884 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
885 untyped_call): Likewise.
887 2009-04-01 Matt Thomas <matt@3am-software.com>
889 * config/vax/predicates.md: New file. (symbolic_operand,
890 local_symbolic_operand, external_symbolic_operand,
891 external_const_operand, nonsymbolic_operand, external_memory_operand,
892 indirect_memory_operand, indexed_memory_operand,
893 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
894 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
896 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
897 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
898 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
899 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
900 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
901 * config/vax/vax.opt (mqmath): Add option.
902 * config/vax/vax.md (isfx): Extend with DI.
903 (VAXintQH, VAXintQHSD): Define.
904 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
905 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
906 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
907 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
908 (movdi): Update constraints and use vax_output_int_move().
909 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
910 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
911 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
913 (mov<mode>): Extend accepted operand types.
914 (subdi3_old): Rename from subdi3, change update constraints and use
915 a new implementation.
916 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
917 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
918 MOVE_RATIO, CLEAR_RATIO): Define.
919 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
920 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
921 (PRINT_OPERAND): Redefine using a function instead of inlined code.
922 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
923 (split_quadword_operands): Make static and really allow variable
925 (print_operand_address): Update for PIC generation.
926 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
927 indexable_address_p, fixup_mathdi_operand,
928 vax_expand_addsub_di_operands, adjacent_operands_p): New.
929 (vax_float_literal, legitimate_constant_p,
930 indirectable_constant_address_p, index_term_p,
931 reg_plus_index_p): Return bool instead of int.
932 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
934 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
936 (vax_output_conditional_branch): Indent.
937 (legitimate_constant_address_p, indirectable_constant_address_p,
938 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
939 vax_mode_dependent_address_p): Return bool instead of int, update for
941 * config/vax/vax-protos.h (legitimate_constant_address_p,
942 legitimate_constant_p, legitimate_address_p,
943 vax_mode_dependent_address_p): Change declaration to bool.
944 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
945 vax_expand_addsub_di_operands, vax_output_int_subtract,
946 vax_output_movmemsi): Declare.
947 (split_quadword_operands, vax_float_literal): Delete declaration.
948 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
949 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
950 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
951 ASM_OUTPUT_DWARF_PCREL): Define.
952 (ASM_SPEC): Change definition to allow PIC generation.
954 2009-04-01 Jakub Jelinek <jakub@redhat.com>
957 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
958 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
959 (booldi3_internal3): Use boolean_or_operator instead of
962 2009-04-01 Joseph Myers <joseph@codesourcery.com>
965 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
966 declarator whose size is not an integer constant expression but
967 folds to an integer constant, then treat it as a constant
970 2009-04-01 Richard Guenther <rguenther@suse.de>
972 * fold-const.c (fold_plusminus_mult_expr): Do not fold
973 i * 4 + 2 to (i * 2 + 1) * 2.
975 2009-04-01 Jakub Jelinek <jakub@redhat.com>
978 * c-parser.c (c_parser_asm_statement): Skip until close paren and
979 return if c_parser_asm_string_literal returned NULL.
981 2009-04-01 Nick Clifton <nickc@redhat.com>
983 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
985 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
986 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
987 other typedefs to avoid conflicts with libgcc2.c. Define labels
988 to gain 16-bit bit-manipulation functions from libgcc2.c and then
990 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
991 to gain 16-bit trapping arithmetic functions from libgcc2.c and
994 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
996 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
998 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
999 Andrey Galkin <agalkin@hypercom.com>
1002 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1003 Make object_name unique for each process.
1005 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1008 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1009 addressable variables in the parallel that could go out of scope while
1010 running queued tasks.
1012 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1014 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1015 (CASE_VALUES_THRESHOLD): Redefine.
1016 * config/avr/avr.c (avr_override_options): Remove initialization of
1017 avr_case_values_threshold variable.
1018 (avr_case_values_threshold): Remove variable. Add new function.
1019 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1020 * config/avr/avr.opt (mno-tablejump): Remove option.
1021 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1023 2009-04-01 DJ Delorie <dj@redhat.com>
1025 * varasm.c (default_function_rodata_section): Don't assume
1026 anything about where the first '.' in the section name is.
1028 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1030 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1031 rs6000_emit_stack_tie.
1033 2009-03-31 Ian Lance Taylor <iant@google.com>
1035 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1036 gimple_code with GIMPLE_RESX, not RESX.
1038 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1040 * c-common.c (c_get_ident): New.
1041 (c_common_nodes_and_builtins): Call it for type names that may be
1044 2009-04-01 Ben Elliston <bje@au.ibm.com>
1046 * config/rs6000/sysv4.opt (msdata): Improve option description.
1048 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1050 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1051 (divdf3_internal_lat): Remove.
1052 (divxf3_internal_lat): Remove.
1053 (divxf3_internal_thr): Remove.
1054 (divxf): Use divxf3_internal.
1055 * config/ia64/div.md (divsf3_internal_lat): New.
1056 (divdf3_internal_lat): New.
1057 (divxf3_internal): New.
1059 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1062 * Makefile.in (USE_GCC_STDINT): Define.
1063 (stmp-int-hdrs): Install stdint.h if applicable.
1064 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1066 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1067 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1068 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1069 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1070 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1071 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1072 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1073 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1074 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1075 (c_common_nodes_and_builtins): Initialize
1076 underlying_wchar_type_node. Do not initialize
1077 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1078 nodes for new types.
1079 (c_stddef_cpp_builtins): Define macros for new types.
1080 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1082 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1083 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1084 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1085 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1086 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1087 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1088 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1089 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1090 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1091 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1092 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1093 int16_type_node, int32_type_node, int64_type_node,
1094 uint8_type_node, uint16_type_node, c_uint32_type_node,
1095 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1096 int_least32_type_node, int_least64_type_node,
1097 uint_least8_type_node, uint_least16_type_node,
1098 uint_least32_type_node, uint_least64_type_node,
1099 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1100 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1101 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1102 uintptr_type_node): Define.
1103 * c-cppbuiltin.c (builtin_define_constants,
1104 builtin_define_type_minmax): New.
1105 (builtin_define_stdint_macros): Define more macros.
1106 (c_cpp_builtins): Define more limit macros.
1108 (builtin_define_type_max): Define in terms of
1109 builtin_define_type_minmax. Remove is_long parameter. All
1111 * config.gcc (use_gcc_stdint): Define.
1112 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1113 Add newlib-stdint.h for generic targets.
1114 * config/glibc-stdint.h, config/newlib-stdint.h,
1115 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1116 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1117 * config/score/score.h (UINTPTR_TYPE): Define.
1118 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1119 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1120 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1121 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1122 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1123 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1124 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1125 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1126 * config/spu/spu.h (STDINT_LONG32): Define.
1127 * configure.ac (use_gcc_stdint): Substitute.
1128 * configure: Regenerate.
1129 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1130 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1131 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1132 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1133 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1134 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1135 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1136 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1137 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1138 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1139 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1140 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1141 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1142 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1143 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1144 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1145 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1146 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1147 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1148 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1149 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1150 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1151 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1152 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1153 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1154 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1155 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1156 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1157 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1159 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1161 * loop-iv.c (suitable_set_for_replacement): Renamed from
1162 simplify_using_assignment; changed to return bool and to accept new
1163 args DEST and SRC. Return true iff we find a source/destination pair
1164 that can be used to make a replacement, and fill SRC and DEST if so.
1165 Remove arg ALTERED. Don't deal with altered regs here. All callers
1167 (simplify_using_initial_values): Deal with altered regs here and track
1168 more precisely the effect they have on the validity of our expression.
1170 * loop-iv.c (simplify_using_condition): A condition of the form
1171 (EQ REG CONST) can be used to simply make a substitution.
1172 (simplify_using_initial_values): Keep track of conditions we have seen
1173 and keep using them to simplify new expressions, while applying the
1174 same substitutions to them as to the expression.
1176 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1177 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1180 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1181 changed. Use this when trying to improve the upper bound.
1182 Generate the comparison by using simplify_gen_relational.
1184 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1186 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1188 (simplify_using_assignment, simplify_using_initial_values): Call
1189 replace_in_expr to make replacements. Call replace_single_def_regs
1190 once on the initial version of the expression.
1192 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1195 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1197 2009-03-31 Richard Guenther <rguenther@suse.de>
1200 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1201 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1203 2009-03-31 Richard Guenther <rguenther@suse.de>
1205 * tree.h (div_if_zero_remainder): Declare.
1206 * fold-const.c (div_if_zero_remainder): Export.
1207 * tree-ssa-forwprop.c
1208 (forward_propagate_addr_into_variable_array_index): Handle
1209 constant array index addition outside of the variable index.
1211 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1214 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1215 define_splits, floatunssi<mode>2): Require x87 conversions from
1216 DImode to be permitted.
1218 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1220 PR preprocessor/15638
1221 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1223 2009-03-31 Richard Guenther <rguenther@suse.de>
1227 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1228 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1229 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1230 a separate statement.
1231 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1232 (lookup_tmp_var): Likewise.
1233 (is_gimple_formal_tmp_or_call_rhs): Remove.
1234 (is_gimple_reg_or_call_rhs): Rename to ...
1235 (is_gimple_reg_rhs_or_call): ... this.
1236 (is_gimple_mem_or_call_rhs): Rename to ...
1237 (is_gimple_mem_rhs_or_call): ... this.
1238 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1239 DECL_GIMPLE_REG_P only if is_formal is true.
1240 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1241 for non-proper post-modify expression gimplification.
1242 (gimplify_self_mod_expr): For post-modify expressions gimplify
1243 the lvalue to a minimal lvalue.
1244 (rhs_predicate_for): Remove formal temp case.
1245 (gimplify_modify_expr_rhs): Likewise.
1246 (gimplify_addr_expr): Use is_gimple_reg.
1247 (gimplify_expr): Remove formal temp cases.
1248 (gimple_regimplify_operands): Likewise.
1249 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1250 and FILTER_EXPR like constants.
1251 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1253 (is_gimple_formal_tmp_rhs): Remove.
1254 (is_gimple_reg_rhs): Remove special casing.
1255 (is_gimple_mem_rhs): Fix.
1256 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1257 (is_gimple_formal_tmp_var): Remove.
1258 (is_gimple_formal_tmp_reg): Likewise.
1259 (is_gimple_min_lval): Allow invariant component ref parts.
1260 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1261 is_gimple_formal_tmp_reg): Remove declarations.
1262 * tree-cfg.c (verify_expr): Verify that variables with address
1263 taken do not have DECL_GIMPLE_REG_P set.
1264 * tree-mudflap.c (mf_build_check_statement_for): Use
1265 force_gimple_operand instead of gimplify_expr.
1267 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1269 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1270 schedulable rows to compute_split_row.
1272 2009-03-31 Ben Elliston <bje@au.ibm.com>
1275 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1278 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1280 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1281 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1282 * configure: Regenerate.
1283 * config.in: Regenerate.
1284 * config/rs6000/rs6000.opt (mtls-markers): Add.
1285 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1286 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1287 (tls_ld_aix, tls_ld_sysv): Likewise.
1288 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1289 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1291 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1293 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1295 2009-03-30 Jan Hubicka <jh@suse.cz>
1297 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1299 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1300 detection and label handling.
1302 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1304 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1305 left_conflicts_size.
1306 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1307 ALLOCNO_LEFT_CONFLICTS_SIZE.
1309 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1310 remove_allocno_from_bucket_and_push,
1311 allocno_spill_priority_compare, push_allocnos_to_stack,
1312 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1313 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1314 (setup_allocno_left_conflicts_num): Ditto. Rename to
1315 setup_allocno_left_conflicts_size.
1316 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1317 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1318 setup_allocno_left_conflicts_size instead of
1319 setup_allocno_left_conflicts_num.
1321 * ira-build.c (ira_create_allocno): Use
1322 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1323 ALLOCNO_LEFT_CONFLICTS_NUM.
1325 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1327 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1328 instead of DF_LR_OUT.
1330 * ira-lives.c (process_bb_node_lives): Ditto.
1332 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1333 instead of DF_LR_{OUT,IN}.
1335 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1337 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1339 2009-03-30 Jan Hubicka <jh@suse.cz>
1341 * except.c (label_to_region_map): Fix thinko.
1343 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1346 * tree.h (tree_find_value): New declaration.
1347 * tree.c (tree_find_value): New function.
1348 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1350 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1353 * c-decl.c (struct c_binding): Add locus field.
1354 (bind): Add locus argument, set locus field from it.
1355 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1356 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1357 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1358 implicitly_declare, undeclared_variable, lookup_label,
1359 declare_label, c_make_fname_decl, c_builtin_function,
1360 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1363 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1366 * config/i386/i386.c (classify_argument): Check total size of
1369 2009-03-30 Martin Jambor <mjambor@suse.cz>
1371 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1372 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1373 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1376 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1377 seen_variable_array_ref while also traversing a union.
1379 * tree-inline.c (optimize_inline_calls): Do not call
1380 cgraph_node_remove_callees.
1381 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1382 (pass_remove_cgraph_callee_edges): New variable.
1383 * passes.c (init_optimization_passes): Add
1384 pass_remove_cgraph_callee_edges after early inlining and before all
1385 late intraprocedural passes.
1387 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1389 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1391 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1394 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1396 * combine.c (simplify_comparison): Use have_insn_for.
1397 * dojump.c (do_jump): Likewise.
1399 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1401 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1402 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1403 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1404 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1405 instead of sparc_compare_emitted.
1406 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1407 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1408 instead of sparc_compare_emitted.
1410 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1412 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1413 enter/exit cfglayout mode.
1414 (pass_partition_block): Require it.
1415 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1416 (combine_instructions): Track basic blocks instead of labels.
1417 (update_cfg_for_uncondjump): New.
1418 (try_combine): Use it. Update jumps after rescanning.
1419 (pass_combine): Require PROP_cfglayout.
1420 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1422 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1424 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1425 Provide/destroy PROP_cfglayout respectively.
1426 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1427 * tree-pass.h (PROP_cfglayout): New.
1429 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1431 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1432 fold_convert_const_fixed_from_fixed,
1433 fold_convert_const_fixed_from_int,
1434 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1435 set TREE_CONSTANT_OVERFLOW.
1436 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1437 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1439 2009-03-30 Ira Rosen <irar@il.ibm.com>
1441 * tree-vect-loop-manip.c: New file.
1442 * tree-vectorizer.c: Update documentation and included files.
1443 (vect_loop_location): Make extern.
1444 (rename_use_op): Move to tree-vect-loop-manip.c
1445 (rename_variables_in_bb, rename_variables_in_loop,
1446 slpeel_update_phis_for_duplicate_loop,
1447 slpeel_update_phi_nodes_for_guard1,
1448 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1449 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1450 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1451 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1452 find_loop_location): Likewise.
1453 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1454 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1455 get_vectype_for_scalar_type, vect_is_simple_use,
1456 supportable_widening_operation, supportable_narrowing_operation):
1458 (bb_in_loop_p): Move to tree-vect-loop.c.
1459 (new_loop_vec_info, destroy_loop_vec_info,
1460 reduction_code_for_scalar_code, report_vect_op,
1461 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1462 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1463 (vect_supportable_dr_alignment): Likewise.
1464 * tree-vectorizer.h (tree-data-ref.h): Include.
1465 (vect_loop_location): Declare.
1466 Reorganize function declarations according to the new file structure.
1467 * tree-vect-loop.c: New file.
1468 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1469 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1470 * tree-vect-data-refs.c: New file.
1471 * tree-vect-patterns.c (timevar.h): Don't include.
1472 * tree-vect-stmts.c: New file.
1473 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1474 tree-vect-slp.c, tree-vect-loop.c.
1475 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1476 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1477 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1478 (tree-vect-analyze.o): Remove.
1479 (tree-vect-transform.o): Likewise.
1480 (tree-vect-data-refs.o): Add rule.
1481 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1482 tree-vect-slp.o): Likewise.
1483 (tree-vect-patterns.o): Remove redundant dependencies.
1484 (tree-vectorizer.o): Likewise.
1485 * tree-vect-slp.c: New file.
1487 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1489 * optc-gen.awk: Warn if an option flag has multiple different
1492 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1494 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1495 -floop-block): Document dependences on PPL, CLooG and Graphite.
1497 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1499 PR rtl-optimization/323
1500 * c-common.c (c_fully_fold, convert_and_check,
1501 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1502 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1503 * c-common.def (EXCESS_PRECISION_EXPR): New.
1504 * c-cppbuiltin.c (builtin_define_float_constants): Define
1505 constants with enough digits for long double.
1506 * c-lex.c (interpret_float): Interpret constant with excess
1507 precision where appropriate.
1508 * c-opts.c (c_common_post_options): Set
1509 flag_excess_precision_cmdline. Give an error for
1510 -fexcess-precision=standard for C++ for processors where the
1511 option is significant.
1512 * c-parser.c (c_parser_conditional_expression): Handle excess
1513 precision in condition.
1514 * c-typeck.c (convert_arguments): Handle arguments with excess
1516 (build_unary_op): Move excess precision outside operation.
1517 (build_conditional_expr): Likewise.
1518 (build_compound_expr): Likewise.
1519 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1520 (build_modify_expr): Handle excess precision in RHS.
1521 (convert_for_assignment): Handle excess precision in converted
1523 (digest_init, output_init_element, process_init_element): Handle
1524 excess precision in initializer.
1525 (c_finish_return): Handle excess precision in return value.
1526 (build_binary_op): Handle excess precision in operands and add
1527 excess precision as needed for operation.
1528 * common.opt (-fexcess-precision=): New option.
1529 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1530 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1531 For standard excess precision, output explicit conversion to and
1532 truncation from XFmode.
1533 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1534 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1535 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1536 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1537 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1538 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1539 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1540 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1541 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1542 define_splits, sqrt<mode>2): Disable where appropriate for
1543 standard excess precision.
1544 * convert.c (convert_to_real): Do not shorten arithmetic to type
1545 for which excess precision would be used.
1546 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1547 * doc/invoke.texi (-fexcess-precision=): Document option.
1548 (-mfpmath=): Correct index entry.
1549 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1550 flag_excess_precision): New.
1551 * langhooks.c (lhd_post_options): Set
1552 flag_excess_precision_cmdline.
1553 * opts.c (common_handle_option): Handle -fexcess-precision=.
1554 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1555 init_excess_precision): New.
1556 (lang_dependent_init_target): Call init_excess_precision.
1557 * tree.c (excess_precision_type): New.
1558 * tree.h (excess_precision_type): Declare.
1560 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1563 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1564 non-lvalue to component.
1566 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1568 PR preprocessor/34695
1569 * Makefile.in (c-opts.o): Depend on c-tree.h.
1570 * c-common.c: Move down include of diagnostic.h.
1571 (done_lexing, c_cpp_error): New.
1572 * c-common.h (done_lexing): Declare.
1573 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1575 * c-opts.c: Include c-tree.h.
1576 (c_common_init_options): Set preprocessor error callback.
1577 (c_common_handle_option): Do not set preprocessor
1578 inhibit_warnings, warnings_are_errors, warn_system_headers,
1579 pedantic_errors or inhibit_warnings flags.
1580 (c_common_post_options): Do not check cpp_errors (parse_in).
1581 (c_common_finish): Do not output dependencies if there were
1582 errors. Do not check return value of cpp_finish.
1583 * c-ppoutput.c (pp_file_change): Set input_location.
1584 * c-tree.h (c_cpp_error): Declare.
1585 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1587 (diagnostic_build_prefix): Check override_column.
1588 * diagnostic.h (diagnostic_info): Add override_column field.
1589 (diagnostic_override_column): Define.
1591 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1593 * c-common.c (c_expand_expr, c_staticp): Remove.
1594 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1595 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1596 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1597 * c-gimplify.c (gimplify_compound_literal_expr,
1598 optimize_compound_literals_in_ctor): Remove.
1599 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1600 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1601 * c-semantics.c (emit_local_var): Remove.
1603 * langhooks-def.h (lhd_expand_expr): Remove.
1604 * langhooks.c (lhd_expand_expr): Remove.
1605 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1607 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1608 handling from c-semantics.c; don't call into langhook.
1609 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1610 * gimplify.c (gimplify_compound_literal_expr,
1611 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1612 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1613 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1614 as was done in c-gimplify.c.
1615 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1616 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1617 Move from c-common.h.
1618 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1620 * tree.c (staticp): Do not call langhook.
1621 * langhooks.c (lhd_staticp): Delete.
1622 * langhooks-def.h (lhd_staticp): Delete prototype.
1623 (LANG_HOOKS_STATICP): Delete.
1624 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1626 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1627 instead of DECL_STMTs.
1629 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1637 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1639 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1640 contained expression.
1641 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1642 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1643 conditional expressions for C.
1644 (decl_constant_value_for_optimization): Move from
1645 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1646 whether optimizing and that the expression is a VAR_DECL not of
1647 array type instead of doing such checks in the caller. Do not
1648 check pedantic. Call gcc_unreachable for C++.
1649 * c-common.def (C_MAYBE_CONST_EXPR): New.
1650 * c-common.h (c_fully_fold, c_save_expr,
1651 decl_constant_value_for_optimization): New prototypes.
1652 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1653 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1654 EXPR_INT_CONST_OPERANDS): Define.
1655 * c-convert.c (convert): Strip nops from expression.
1656 * c-decl.c (groktypename): Take extra parameters expr and
1657 expr_const_operands. Update call to grokdeclarator.
1658 (start_decl): Update call to grokdeclarator. Add statement for
1659 expressions used in type of decl.
1660 (grokparm): Update call to grokdeclarator.
1661 (push_parm_decl): Update call to grokdeclarator.
1662 (build_compound_literal): Add parameter non_const and build a
1663 C_MAYBE_COSNT_EXPR if applicable.
1664 (grokdeclarator): Take extra parameters expr and
1665 expr_const_operands. Track expressions used in declaration
1666 specifiers and declarators. Fold array sizes and track whether
1667 they are constant expressions and whether they are integer
1668 constant expressions.
1669 (parser_xref_tag): Set expr and expr_const_operands fields in
1671 (grokfield): Update call to grokdeclarator.
1672 (start_function): Update call to grokdeclarator.
1673 (build_null_declspecs): Set expr and expr_const_operands fields in
1675 (declspecs_add_type): Handle expressions in typeof specifiers.
1676 * c-parser.c (c_parser_declspecs): Set expr and
1677 expr_const_operands fields for declaration specifiers.
1678 (c_parser_enum_specifier): Likewise.
1679 (c_parser_struct_or_union_specifier): Likewise.
1680 (c_parser_typeof_specifier): Likewise. Update call to
1681 groktypename. Fold expression as needed. Return expressions with
1682 type instead of adding statements.
1683 (c_parser_attributes): Update calls to c_parser_expr_list.
1684 (c_parser_statement_after_labels): Fold expression before passing
1685 to objc_build_throw_stmt.
1686 (c_parser_condition): Fold expression.
1687 (c_parser_asm_operands): Fold expression.
1688 (c_parser_conditional_expression): Use c_save_expr. Update call
1689 to build_conditional_expr.
1690 (c_parser_alignof_expression): Update call to groktypename.
1691 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1692 original_code. Fold expression argument of va_arg. Create
1693 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1694 argument to va_arg. Update calls to groktypename. Fold array
1695 index for offsetof. Verify that first argument to
1696 __builtin_choose_expr has integer type.
1697 (c_parser_postfix_expression_after_paren_type): Update calls to
1698 groktypename and build_compound_literal. Handle expressions with
1699 side effects in type name.
1700 (c_parser_postfix_expression_after_primary): Update call to
1701 c_parser_expr_list. Set original_code for calls to
1702 __builtin_constant_p.
1703 (c_parser_expr_list): Take extra parameter fold_p. Fold
1704 expressions if requested.
1705 (c_parser_objc_type_name): Update call to groktypename.
1706 (c_parser_objc_synchronized_statement): Fold expression.
1707 (c_parser_objc_receiver): Fold expression.
1708 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1709 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1710 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1711 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1712 (struct c_typespec): Add elements expr and expr_const_operands.
1713 (struct c_declspecs): Add elements expr and expr_const_operands.
1714 (groktypename, build_conditional_expr, build_compound_literal):
1716 (in_late_binary_op): Declare.
1717 * c-typeck.c (note_integer_operands): New function.
1718 (in_late_binary_op): New variable.
1719 (decl_constant_value_for_broken_optimization): Move to c-common.c
1720 and rename to decl_constant_value_for_optimization.
1721 (default_function_array_conversion): Do not strip nops.
1722 (default_conversion): Do not call
1723 decl_constant_value_for_broken_optimization.
1724 (build_array_ref): Do not fold result.
1725 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1726 result when operand is a VLA.
1727 (c_expr_sizeof_type): Update call to groktypename. Handle
1728 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1729 result when operand names a VLA type.
1730 (build_function_call): Update call to build_compound_literal.
1731 Only fold result for calls to __builtin_* functions. Strip
1732 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1733 the function designator.
1734 (convert_arguments): Fold arguments. Update call to
1735 convert_for_assignment.
1736 (build_unary_op): Handle increment and decrement of
1737 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1738 decrement earlier. Fold operand of increment and decrement.
1739 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1740 built for integer operand. Wrap returns that are INTEGER_CSTs
1741 without being integer constant expressions or that have integer
1742 constant operands without being INTEGER_CSTs.
1743 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1744 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1745 result is an integer constant expression or can be used in
1746 unevaluated parts of one and avoid folding and wrap as
1747 appropriate. Fold operands before possibly doing -Wsign-compare
1749 (build_compound_expr): Wrap result for C99 if operands can be used
1750 in integer constant expressions.
1751 (build_c_cast): Update call to digest_init. Do not ignore
1752 overflow from casting floating-point constants to integers. Wrap
1753 results that could be confused with integer constant expressions,
1754 null pointer constants or floating-point constants.
1755 (c_cast_expr): Update call to groktypename. Handle expressions
1756 included in type name.
1757 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1758 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1759 Update calls to convert_for_assignment.
1760 (convert_for_assignment): Take new parameter
1761 null_pointer_constant. Do not strip nops or call
1762 decl_constant_value_for_broken_optimization. Set
1763 in_late_binary_op for conversions to boolean.
1764 (store_init_value): Update call to digest_init.
1765 (digest_init): Take new parameter null_pointer_constant. Do not
1766 call decl_constant_value_for_broken_optimization. pedwarn for
1767 initializers not constant expressions. Update calls to
1768 convert_for_assignment.
1769 (constructor_nonconst): New.
1770 (struct constructor_stack): Add nonconst element.
1771 (really_start_incremental_init, push_init_level, pop_init_level):
1772 Handle constructor_nonconst and nonconst element.
1773 (set_init_index): Call constant_expression_warning for array
1775 (output_init_element): Fold value. Set constructor_nonconst as
1776 applicable. pedwarn for initializers not constant expressions.
1777 Update call to digest_init. Call constant_expression_warning
1778 where constant initializers are required.
1779 (process_init_element): Use c_save_expr.
1780 (c_finish_goto_ptr): Fold expression.
1781 (c_finish_return): Fold return value. Update call to
1782 convert_for_assignment.
1783 (c_start_case): Fold switch expression.
1784 (c_process_expr_stmt): Fold expression.
1785 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1786 ensure statement expression is not evaluated in constant expression.
1787 (build_binary_op): Track whether results are integer constant
1788 expressions or may occur in such, disable folding and wrap results
1789 as applicable. Fold operands for -Wsign-compare warnings unless
1791 (c_objc_common_truthvalue_conversion): Handle results folded to
1792 integer constants that are not integer constant expressions.
1793 * doc/extend.texi: Document when typeof operands are evaluated,
1794 that condition of __builtin_choose_expr is an integer constant
1795 expression, and more about use of __builtin_constant_p in
1798 2009-03-29 Richard Guenther <rguenther@suse.de>
1800 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1801 propagate addresses of array references.
1803 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1805 * regmove.c (perhaps_ends_bb_p): Remove.
1806 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1807 from INSN and check that the main loop stays within that basic block.
1808 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1809 (regmove_forward_pass): Split out from regmove_optimize. Use
1810 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1811 (regmove_backward_pass): Split out from regmove_optimize. Use
1812 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1813 (regmove_optimize): Simplify.
1815 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1818 * config/i386/i386.c (classify_argument): Ignore flexible array
1819 member in struct and warn ABI change.
1821 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1823 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1825 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1826 (ix86_adjust_cost): Updated.
1828 2009-03-29 Jan Hubicka <jh@suse.cz>
1831 * tree-pass.h (pass_cleanup_eh): New function.
1832 (remove_unreachable_regions): Break code handling RTL
1833 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1834 that can not be reached by runtime.
1835 (can_be_reached_by_runtime): New function.
1836 (label_to_region_map): New function.
1837 (num_eh_regions): New function.
1838 (rtl_remove_unreachable_regions): New function.
1839 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1840 (remove_eh_region): New function.
1841 * except.h: Include sbitmap and vecprim.
1842 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1843 num_eh_regions): Declare.
1844 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1845 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1846 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1847 (tree_empty_eh_handler_p): New function.
1848 (cleanup_empty_eh): New function.
1849 (cleanup_eh): New function.
1850 (pass_cleanup_eh): New function.
1852 2009-03-29 Jan Hubicka <jh@suse.cz>
1854 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1855 for removed regions.
1857 2009-03-29 Jan Hubicka <jh@suse.cz>
1859 * except.c (dump_eh_tree): Dump all datastructures.
1861 2009-03-29 Jan Hubicka <jh@suse.cz>
1863 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1864 (duplicate_eh_regions_1): Likewise.
1865 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1866 vector; call EH verification.
1867 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1868 Be ready for region being removed.
1870 2009-03-29 Jan Hubicka <jh@suse.cz>
1872 * bitmap.c (bitmap_last_set_bit): New function.
1873 * bitmap.h (bitmap_last_set_bit): Declare.
1875 2009-03-29 David Ayers <ayers@fsfe.org>
1878 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1879 by calling objc_compare_types and surpress warnings about
1880 incompatible C pointers that are compatible ObjC pointers.
1882 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1884 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1885 call initialize_inline_failed.
1886 (initialize_inline_failed): Move it from here ...
1887 * cgraph.c (initialize_inline_failed): ... to here.
1888 (cgraph_create_edge): Call initialize_inline_failed rather than
1889 setting inline_failed directly.
1891 2009-03-29 Ben Elliston <bje@au.ibm.com>
1894 * sysv4.opt (msdata): Improve comment.
1895 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1896 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1898 2009-03-29 Ben Elliston <bje@au.ibm.com>
1901 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1902 load and store attributes.
1904 2009-03-29 Ben Elliston <bje@au.ibm.com>
1906 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1907 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1908 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1909 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1910 __builtin_infq and __builtin_huge_valq.
1912 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1914 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1916 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1917 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1919 2009-03-28 Xinliang David Li <davidxl@google.com>
1921 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1922 (do_dbg_cnt): New function.
1924 2009-03-28 Jan Hubicka <jh@suse.cz>
1926 Merge from pretty-ipa:
1928 2009-03-27 Jan Hubicka <jh@suse.cz>
1930 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1931 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1932 * passes.c (function_called_by_processed_nodes_p): New.
1933 * ipa-pure-const.c (check_call): Fix handling of operands.
1934 (analyze_function): Dump debug output for skipped bodies.
1935 (local_pure_const): Use function_called_by_processed_nodes_p.
1936 * dwarf2out.c (reference_to_unused): Use output.
1937 * passes.c (do_per_function_toporder): Likewise.
1939 2008-11-12 Jan Hubicka <jh@suse.cz>
1941 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1942 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1943 state_set_in_source enum
1944 (check_decl): Ignore memory tags; do not set fake looping flags;
1946 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1947 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1948 (check_call, analyze_function): Rewrite.
1950 (add_new_function): Update call of analyze_function.
1951 (generate_summary): Add call of analyze_function.
1952 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1953 (local_pure_const): New function.
1954 (pass_local_pure_const): New pass.
1955 * ipa-inline.c (inline_transform): Set after_inlining.
1956 * tree-eh.c (stmt_can_throw_external): New.
1957 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1958 work with aliasing built.
1959 * tree-flow.h (stmt_can_throw_external): New.
1960 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1961 and local pure/const pass in early and late optimization queue.
1963 2009-03-28 Martin Jambor <mjambor@suse.cz>
1965 * fold-const.c (get_pointer_modulus_and_residue): New parameter
1967 (fold_binary): Allow function decl aligment consideration is the
1968 second argument is integer constant one.
1969 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1970 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1971 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1973 2009-03-28 Jan Hubicka <jh@suse.cz>
1975 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1976 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1977 * function.h (rtl_data): Add nothrow flag.
1978 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1979 set DECL_NOTHROW for AVAILABLE functions.
1981 2009-03-28 Jakub Jelinek <jakub@redhat.com>
1983 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1984 following vector keyword has expansion starting with pixel or bool
1985 keyword, expand vector to __vector and pixel or bool to __pixel or
1989 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1990 warn_if_disallowed_function_p): Removed.
1991 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1992 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1993 warning_if_disallowed_function_p.
1994 * flags.h (warn_if_disallowed_function_p,
1995 warn_disallowed_functions): Removed.
1996 * common.opt (Wdisallowed-function-list=): Removed.
1997 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1999 2009-03-28 Richard Guenther <rguenther@suse.de>
2001 PR tree-optimization/38723
2002 * tree-ssa-pre.c (compute_avail): Add all default definitions to
2005 2009-03-28 Jan Hubicka <jh@suse.cz>
2007 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2008 test introduced by my previous patch.
2010 2009-03-28 Richard Guenther <rguenther@suse.de>
2012 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2013 the PHIs value undefined.
2015 2009-03-28 Jan Hubicka <jh@suse.cz>
2017 * tree-pass.h (pass_fixup_cfg): New pass.
2018 * ipa-inline.c (inline_transform): Set
2019 always_inline_functions_inlined/after_inlining.
2020 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2021 (pass_fixup_cfg): New pass.
2022 * passes.c (init_optimization_passes): Add fixup_cfg.
2024 2009-03-28 Richard Guenther <rguenther@suse.de>
2026 PR tree-optimization/38458
2027 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2028 argument use the arguments copy-of value.
2030 2009-03-28 Richard Guenther <rguenther@suse.de>
2032 PR tree-optimization/38180
2033 * tree-ssa-ccp.c (get_default_value): Simplify.
2034 (likely_value): Likewise.
2035 (surely_varying_stmt_p): Properly handle VOP case.
2036 (ccp_initialize): Likewise.
2037 (ccp_fold): Handle propagating through *&.
2038 (fold_const_aggregate_ref): Also handle decls.
2040 2009-03-28 Jan Hubicka <jh@suse.cz>
2042 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2043 * cgraph.h (cgraph_node): Likewise.
2044 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2045 (cgraph_reset_node): Use process flag.
2046 (cgraph_mark_functions_to_output): Likewise.
2047 (cgraph_expand_function): Likewise.
2048 (cgraph_expand_all_functions): Likewise.
2049 (cgraph_output_in_order): Likewise.
2050 * dwarf2out.c (reference_to_unused): Likewise.
2051 * passes.c do_per_function_toporder): Likewise.
2053 2009-03-28 Jan Hubicka <jh@suse.cz>
2055 Bring from lto-branch:
2057 2008-09-03 Doug Kwan <dougkwan@google.com>
2059 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2060 enums instead of reason strings.
2061 * cgraph.c (cgraph_create_edge): Same.
2062 (cgraph_inline_failed_string): New function.
2063 * cgraph.h (cgraph_inline_failed_t): New enum type.
2064 (cgraph_inline_failed_string): New prototype.
2065 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2066 char pointer to cgraph_inline_failed_t.
2067 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2068 (cgraph_default_inline_p): Ditto.
2069 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2070 to cgraph_inline_failed_t pointer.
2071 * cif-code.def: New file.
2072 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2074 (cgraph_check_inline_limits): Change type of REASON to pointer to
2075 cgraph_inline_failed_t. Replace reason strings with enums.
2076 (cgraph_default_inline_p): Ditto.
2077 (cgraph_recursive_inlining_p): Ditto.
2078 (update_caller_keys): Change type of FAILED_REASON to
2079 cgraph_inline_failed_t.
2080 (cgraph_set_inline_failed): Change type of REASON to pointer to
2081 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2082 convert enums to strings for text output.
2083 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2084 to be of type cgraph_inline_failed_t. Replace reason strings with
2085 enums. Call cgraph_inline_failed_string to covert enums
2086 to strings for text output.
2087 (cgraph_decide_inlining): Replace reason strings with enums.
2088 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2089 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2091 * tree-inline.c (expand_call_inline): Change type of REASON
2092 to cgraph_inline_failed_t. Replace reason strings with enums.
2093 Call cgraph_inline_failed_string for text output.
2094 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2097 2009-03-28 Jan Hubicka <jh@suse.cz>
2099 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2100 cgraph_clone_node): Remove master clone handling.
2101 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2102 * cgraph.h (master_clone): Remove.
2103 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2104 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2105 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2107 2009-03-28 Jan Hubicka <jh@suse.cz>
2109 * cgraph.c (cgraph_function_body_availability): Functions declared
2110 inline are always safe to assume that it is not going to be replaced.
2112 2009-03-28 Richard Guenther <rguenther@suse.de>
2114 PR tree-optimization/38513
2115 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2116 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2117 EXC_PTR_EXPR and FILTER_EXPR.
2118 (get_ref_from_reference_ops): Likewise.
2120 2009-03-28 Richard Guenther <rguenther@suse.de>
2122 PR tree-optimization/38968
2123 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2124 Use FLOOR_MOD_EXPR to compute misalignment.
2126 2009-03-28 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/37795
2129 * tree.h (combine_comparisons): Declare.
2130 * fold-const.c (combine_comparisons): Export.
2131 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2133 (ifcombine_iforif): Use combine_comparisons.
2135 2009-03-28 Jan Hubicka <jh@suse.cz>
2137 * tree-eh.c (inlinable_call_p): New function.
2138 (make_eh_edges): Use it.
2139 (verify_eh_edges): Use it.
2140 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2141 * except.c (reachable_next_level): Add inlinable_function argument
2142 (sjlj_find_directly_reachable_regions): Update.
2143 (add_reachable_handler): Do not set saw_any_handlers.
2144 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2145 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2146 Add new inlinable call parameter.
2147 (can_throw_internal, can_throw_external): Update.
2148 * except.h (can_throw_internal_1, can_throw_external_1,
2149 foreach_reachable_handler): Update declaration.
2151 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2153 * config/arm/t-arm-coff, config/h8300/coff.h,
2154 config/i386/i386-aout.h, config/i386/i386-coff.h,
2155 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2156 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2157 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2158 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2159 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2160 sys-types.h: Remove.
2161 * Makefile.in: Remove protoize and fixproto support and references
2163 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2164 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2166 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2167 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2168 unprotoize$(exeext).
2169 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2170 (.PHONY): Don't depend on proto.
2171 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2172 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2173 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2174 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2175 build/gen-protos.o, build/scan.o, xsys-protos.h,
2176 build/fix-header$(build_exeext), build/fix-header.o,
2177 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2178 stmp-install-fixproto): Remove.
2179 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2180 SYSCALLS.c or fixproto files.
2181 (install-common): Don't install protoize.
2182 (install-headers-tar, install-headers-cpio, install-headers-cp):
2183 Don't depend on $(STMP_FIXPROTO).
2184 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2185 install fixproto files or write out fixproto settings.
2186 (uninstall): Don't uninstall protoize.
2187 * config.gcc (use_fixproto): Remove.
2188 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2189 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2190 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2191 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2192 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2193 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2194 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2195 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2196 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2197 * config/t-vxworks (STMP_FIXPROTO): Remove.
2198 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2199 STMP_FIXPROTO): Remove.
2200 * config.in, configure: Regenerate.
2201 * crtstuff.c (gid_t, uid_t): Don't undefine.
2202 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2203 (arm-*-coff, arm-*-aout: Remove target entries.
2204 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2205 Remove mention of AIX 4.1.
2206 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2207 * doc/invoke.texi (Running Protoize): Remove.
2208 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2209 (Protoize Caveats): Remove.
2210 * tsystem.h: Update comments on headers assumed to exist.
2212 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2214 * genautomata.c: Add a new year to the copyright. Add a new
2216 (struct insn_reserv_decl): Add comments for member bypass_list.
2217 (find_bypass): Remove.
2218 (insert_bypass): New.
2219 (process_decls): Use insert_bypass.
2220 (output_internal_insn_latency_func): Output all bypasses with the
2221 same input insn in one switch case.
2223 * rtl.def (define_bypass): Describe bypass choice.
2224 * doc/md.texi (define_bypass): Ditto.
2226 2009-03-27 Richard Guenther <rguenther@suse.de>
2228 * gimplify.c (mark_addressable): Export.
2229 * tree-flow.h (mark_addressable): Declare.
2230 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2231 * tree-ssa.c (verify_phi_args): Verify that address taken
2232 variables have TREE_ADDRESSABLE set.
2234 2009-03-27 Richard Guenther <rguenther@suse.de>
2236 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2237 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2238 Do not mark decls TREE_ADDRESSABLE.
2239 (build_fold_addr_expr): Adjust.
2240 (fold_addr_expr): Remove.
2241 (fold_unary): Use build_fold_addr_expr.
2242 (fold_comparison): Likewise.
2243 (split_address_to_core_and_offset): Likewise.
2244 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2246 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2247 (gimplify_modify_expr_to_memcpy): Mark source and destination
2249 * omp-low.c (create_omp_child_function): Mark the object decl
2251 (lower_rec_input_clauses): Mark the var we take the address of
2253 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2255 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2258 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2259 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2261 2009-03-27 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/39120
2264 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2266 (handle_lhs_call): Process return constraints. Add escape
2267 constraints if necessary.
2268 (handle_const_call): Fill out return constraints. Make nested
2269 case more precise. Avoid consttmp if possible.
2270 (handle_pure_call): Fill out return constraints. Avoid
2271 callused if possible.
2272 (find_func_aliases): Simplify call handling.
2274 2009-03-27 Richard Guenther <rguenther@suse.de>
2276 PR tree-optimization/39120
2277 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2278 as a representative.
2279 (solve_graph): Do propagate CALLUSED.
2280 (handle_pure_call): Use a scalar constraint from CALLUSED for
2282 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2285 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2288 * c-common.c (handle_aligned_attribute): Properly check alignment
2289 overflow. Use (1U << i) instead of (1 << i).
2291 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2293 * expr.h (get_mem_align_offset): Updated.
2295 * tree.h (tree_decl_common): Change align to "unsigned int" and
2296 move it before pointer_alias_set.
2298 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2299 Jakub Jelinek <jakub@redhat.com>
2302 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2303 gr_register_operand with gr_reg_or_0_operand.
2304 (cmpxchg_rel_di): Likewise.
2305 (sync_lock_test_and_set<mode>): Likewise.
2307 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2309 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2310 (true_regnum): Likewise.
2312 * rtlanal.c (subreg_info): Moved to ...
2313 * rtl.h (subreg_info): Here. New.
2314 (subreg_get_info): New.
2316 * rtlanal.c (subreg_get_info): Make it extern.
2318 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2321 * config/i386/i386.c (ix86_abi): New.
2322 (override_options): Handle -mabi=.
2323 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2324 (ix86_call_abi_override): Likewise.
2325 (init_cumulative_args): Likewise.
2326 (function_arg_advance): Likewise.
2327 (function_arg_64): Likewise.
2328 (function_arg): Likewise.
2329 (ix86_pass_by_reference): Likewise.
2330 (ix86_function_value_regno_p): Likewise.
2331 (ix86_build_builtin_va_list_abi): Likewise.
2332 (setup_incoming_varargs_64): Likewise.
2333 (is_va_list_char_pointer): Likewise.
2334 (ix86_init_machine_status): Likewise.
2335 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2336 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2337 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2338 (ix86_function_abi): Make it static and return enum calling_abi.
2339 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2341 (ix86_fn_abi_va_list): Updated.
2343 * config/i386/i386.h (ix86_abi): New.
2344 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2345 (CONDITIONAL_REGISTER_USAGE): Likewise.
2346 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2347 (machine_function): Likewise.
2349 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2351 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2352 (STACK_BOUNDARY): Likewise.
2353 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2355 * config/i386/i386.opt (mabi=): New.
2357 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2358 return enum calling_abi.
2359 (ix86_function_type_abi): Likewise.
2360 (ix86_function_abi): Removed.
2362 * doc/invoke.texi: Document -mabi= option for x86.
2364 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * builtins.c (real_dconstp): Delete.
2367 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2369 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2370 Jakub Jelinek <jakub@redhat.com>
2373 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2374 (gen_subprogram_die): When a function is explicit, generate the
2375 DW_AT_explicit attribute.
2376 * langhooks.h (struct lang_hooks_for_decls): Add
2377 function_decl_explicit_p langhook.
2378 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2379 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2381 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2383 * builtins.c (fold_builtin_memory_op): Optimize memmove
2384 into memcpy if we can prove source and destination don't overlap.
2386 * tree-inline.c: Include gt-tree-inline.h.
2387 (clone_fn_id_num): New variable.
2388 (clone_function_name): New function.
2389 (tree_function_versioning): Use it.
2390 * Makefile.in (GTFILES): Add tree-inline.c.
2392 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2394 * BASE-VER: Change to 4.5.0.
2396 2009-03-27 Xinliang David Li <davidxl@google.com>
2398 PR tree-optimization/39557
2399 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2401 2009-03-27 Xinliang David Li <davidxl@google.com>
2403 PR tree-optimization/39548
2404 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2407 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2409 * c-common.c (pointer_int_sum): Use %wd on return from
2412 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2414 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2415 on return from tree_low_cst.
2417 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2420 * ginclude/stdarg.h (va_copy): Define also for
2421 __GXX_EXPERIMENTAL_CXX0X__.
2423 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2426 * builtins.h (c_strlen): Do not warn here.
2427 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2428 * c-common.c (pointer_int_sum): Take an explicit location.
2429 Warn about offsets out of bounds.
2430 * c-common.h (pointer_int_sum): Adjust declaration.
2432 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2434 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2437 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2440 * opts.c (warn_if_disallowed_function_p): Don't assume
2441 get_callee_fndecl must return non-NULL.
2443 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2445 PR rtl-optimization/39522
2446 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2447 when reg_reloaded_valid is set.
2449 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2451 * config/spu/divv2df3.c: New file.
2452 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2453 (DPBIT_FUNCS): Filter out _div_df.
2455 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2457 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2458 a jump insn, count that jump in the distance to the loop start.
2460 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2463 * config/sh/sh.c (calc_live_regs): Fix condition for global
2464 registers except PIC_OFFSET_TABLE_REGNUM.
2466 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2469 * doc/invoke.texi (-mconsole): New.
2473 (-mnop-fun-dllimport): New.
2477 (sub section "i386 and x86-64 Windows Options"): New.
2479 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2481 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2482 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2484 2009-03-25 Richard Guenther <rguenther@suse.de>
2487 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2490 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2492 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2493 neither of haifa/selective schedulers are working.
2495 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2497 * doc/invoke.texi (Debugging Options): Fix description of
2498 -fno-merge-debug-strings.
2500 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2502 * config/cris/libgcc.ver: New version-script.
2503 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2505 * configure.ac <GAS features, nop mnemonic>: Add pattern
2506 crisv32-*-* for "nop".
2507 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2508 * configure: Regenerate.
2510 2009-03-24 Ira Rosen <irar@il.ibm.com>
2512 PR tree-optimization/39529
2513 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2514 mark_sym_for_renaming for the tag copied to the new vector
2517 2009-03-24 Arthur Loiret <aloiret@debian.org>
2519 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2520 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2521 EXTRA_SPEC_FUNCTIONS.
2522 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2523 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2524 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2525 -march and -mtune options.
2527 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2529 * config/m68k/t-rtems: Add m5329 multilib.
2531 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2532 Jakub Jelinek <jakub@redhat.com>
2535 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2538 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2541 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2542 instead of c_parser_expression_conv, if original_code isn't one of the
2543 4 allowed comparison codes, fail.
2545 2009-03-23 Richard Guenther <rguenther@suse.de>
2547 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2548 * tree.h (struct tree_type): Likewise.
2549 * reload.h (struct insn_chain): Likewise.
2550 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2551 * function.h (struct function): Likewise.
2552 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2554 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2556 PR tree-optimization/39516
2557 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2559 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2561 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2562 should be set true if BITS_PER_WORD of target is bigger than 32
2564 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2566 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2567 Translate -B-options to -rpath-link. Correct existing
2568 rpath-link and conditionalize on !nostdlib.
2570 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2572 * doc/extend.texi (Function Attributes, Variable Attributes):
2574 * doc/invoke.texi (Debugging Options, Optimize Options)
2575 (i386 and x86-64 Options, MCore Options): Likewise.
2577 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2580 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2581 it for block local namespace aliases.
2582 (gen_decl_die): Pass context_die to gen_namespace_die.
2584 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2587 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2588 minimum or maximum value.
2590 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2592 * reginfo.c (globalize_reg): Recompute derived reg sets.
2594 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2597 * libgcc2.c (mprotect): Do not use signed arguments for
2598 VirtualProtect, use DWORD arguments. Also fix the 'may
2599 be used uninitialized' warning for the np variable.
2601 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2604 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2605 functions using regparm calling conventions when not optimizing.
2606 (ix86_function_sseregparm): Similarly for sseregparm calling
2609 2009-03-19 Li Feng <nemokingdom@gmail.com>
2612 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2613 dependence if the first conflict is after niter iterations.
2615 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2618 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2619 functions with dynamic stack-pointer adjustments.
2621 2009-03-19 Ben Elliston <bje@au.ibm.com>
2623 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2624 option; change to -msdata=data.
2626 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2628 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2631 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2634 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2636 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2638 * doc/invoke.texi (Code Gen Options): Expand discussion of
2641 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2643 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2644 * matrix-reorg.c (struct matrix_info): Likewise.
2645 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2646 * rtl.h (struct mem_attrs): Likewise.
2647 * df.h (struct df): Likewise.
2648 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2649 * ira-int.h (struct ira_allocno): Likewise.
2650 * df-scan.c (struct df_collection_rec): Likewise.
2651 * ira.c (struct equivalence): Likewise.
2652 * function.c (struct temp_slot): Likewise.
2653 * cfgloop.h (struct loop): Likewise.
2656 * function.c (use_register_for_decl): When not optimizing, disregard
2657 register keyword for variables with types containing methods.
2659 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2662 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2663 (is_simple_operand): Call contains_component_ref_p before calling data
2664 reference analysis that would fail on COMPONENT_REFs.
2666 * tree-vrp.c (search_for_addr_array): Fix formatting.
2668 2009-03-18 Richard Guenther <rguenther@suse.de>
2670 * tree-vect-transform.c (vect_loop_versioning): Fold the
2671 generated comparisons.
2672 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2673 (slpeel_tree_peel_loop_to_edge): Likewise.
2675 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2678 * opts.c (print_specific_help): In addition to `undocumented',
2679 accept `separate' and `joined' flags if passed alone. Describe
2680 output by the first matched one of those.
2681 (common_handle_option): Skip over empty strings.
2682 * gcc.c (display_help): Fix help string for `--help='.
2683 * doc/invoke.texi (Option Summary, Overall Options): With
2684 `--help=', classes and qualifiers can both be repeated, but
2685 only the latter can be negated. One should not pass only
2686 negated qualifiers. Fix markup and examples.
2689 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2691 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2692 and -fhelp=separate.
2694 2009-03-17 Jing Yu <jingyu@google.com>
2697 * function.h (struct rtl_data): Move is_thunk from here...
2698 (struct function): ...to here.
2699 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2700 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2702 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2704 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2705 (alpha_output_function_end_prologue): Likewise.
2706 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2707 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2708 (rs6000_output_function_epilogue): Likewise.
2709 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2711 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2714 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2715 from different units in a single alternative.
2716 (*truncdfsf_i387): Ditto.
2717 (*truncxfsf2_mixed): Ditto.
2718 (*truncxfdf2_mixed): Ditto.
2720 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2722 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2723 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2726 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2727 unused non-artificial variables when not optimizing.
2730 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2731 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2732 NAMESPACE_DECL in its DECL_INITIAL.
2735 * optabs.c (set_user_assembler_libfunc): New function.
2736 * expr.h (set_user_assembler_libfunc): New prototype.
2737 * c-common.c: Include libfuncs.h.
2738 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2739 for memcmp, memset, memcpy, memmove and abort.
2740 * Makefile.in (c-common.o): Depend on libfuncs.h.
2743 * dwarf2out.c (gen_inlined_enumeration_type_die,
2744 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2745 gen_tagged_type_instantiation_die): Removed.
2746 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2749 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2752 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2754 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2755 (check-parallel-%): Ditto.
2756 (check-consistency): Ditto.
2758 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2760 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2761 local variable rhs by NULL_TREE.
2763 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2766 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2768 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2771 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2773 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2776 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2777 for ms->sysv ABI calls only in 64bit mode.
2779 * config/i386/i386.md (untyped_call): Support 32bit.
2781 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2783 * doc/extend.texi: Replace x86_65 with x86_64.
2785 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2787 PR tree-optimization/39455
2788 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2789 mismatches for POINTER_TYPE_P (type).
2790 (number_of_iterations_le): Likewise.
2792 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2794 * config/picochip/picochip.c: Removed profiling support.
2795 * config/picochip/picochip.md: Removed profiling instruction.
2796 * config/picochip/picochip.h: Removed profiling builtin.
2798 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2800 * doc/install.texi (--with-host-libstdcxx): Document.
2802 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2805 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2806 generate a warning if the function name does not begin with
2807 "__vector" and the function has either the 'signal' or 'interrupt'
2808 attribute, from here to ...
2809 (avr_declare_function_name): ...here. New function.
2810 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2811 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2813 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2816 * cse.c (fold_rtx): Don't modify original const_arg1 when
2817 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2818 separate variable instead.
2819 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2820 from out of range shift counts.
2821 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2823 2008-03-13 Catherine Moore <clm@codesourcery.com>
2825 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2826 diagnostic.h with $(DIAGNOSTIC_H).
2828 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2831 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2833 * config/i386/sync.md (sync_compare_and_swap<mode>,
2834 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2835 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2837 (sync_double_compare_and_swapdi_pic,
2838 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2839 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2841 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2844 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2846 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2849 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2850 (avx_addsubv4df3): Likewise.
2851 (*avx_addsubv4sf3): Likewise.
2852 (sse3_addsubv4sf3): Likewise.
2854 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2857 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2859 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2862 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2863 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2864 registers for allocnos created from user-defined variables.
2866 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2869 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2870 of non-integer mode as well.
2872 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2874 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2875 for functions for which the parameter types are unknown.
2877 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2880 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2881 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2882 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2883 * config/i386/i386.c (ix86_local_alignment): For
2884 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2885 long long variables on the stack to avoid dynamic realignment.
2886 Allow the first argument to be a decl rather than type.
2887 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2889 2009-03-11 Nick Clifton <nickc@redhat.com>
2892 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2894 Add description to mno-lsim option.
2895 * config/mcore/mcore.h: Remove comment about deprecated m4align
2897 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2898 * doc/invoke.texi: Add description of mno-lsim and
2899 mstack-increment options.
2901 * config/fr30/fr30.opt: Document the -mno-lsim option.
2902 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2903 and -mno-lsim options.
2905 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2907 * fold-const.c (fold_comparison): Only call fold_inf_compare
2908 if the mode supports infinities.
2910 2009-03-11 Jason Merrill <jason@redhat.com>
2913 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2914 end already did. Notice GIMPLE_CALL modifications of the result.
2915 Don't copy debug information from an ignored decl or a decl from
2918 2009-03-10 Richard Guenther <rguenther@suse.de>
2919 Nathan Froyd <froydnj@codesourcery.com>
2922 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2923 (__divMODE3): Likewise.
2925 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2927 PR tree-optimization/39394
2928 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2929 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2931 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2933 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2934 inline asms for register asm ("") declarations.
2936 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2938 * fold-const.c (fold_unary): Fix comment.
2940 2009-03-07 Jan Hubicka <jh@suse.cz>
2943 * tree-inline.c (setup_one_parameter): Do replacement of const
2944 argument by constant in SSA form.
2946 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2949 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2950 determine alignment passed to assign_stack_local.
2951 (assign_parms_unsplit_complex): Likewise.
2952 * except.c (sjlj_build_landing_pads): Likewise.
2954 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2957 * tree-flow.h (add_referenced_var): Return bool instead of void.
2958 * tree-dfa.c (add_referenced_var): Return result of
2959 referenced_var_check_and_insert call.
2960 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2961 of referenced_var_check_and_insert.
2964 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2965 (gen_variable_die): Emit DW_AT_location on abstract static variable's
2966 DIE, don't emit it if abstract origin already has it.
2967 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2968 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2970 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2972 * genpreds.c (needs_variable): Fix parentheses at variable name
2974 (write_tm_constrs_h): Indent generated code.
2976 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2978 * doc/extend.texi (Function Attributes): Add documentation
2981 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2984 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2985 take locus from its DECL_SOURCE_LOCATION instead of input_location.
2987 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
2989 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2992 2009-03-05 Jakub Jelinek <jakub@redhat.com>
2995 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2996 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2998 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
3000 * config/i386/i386.md (R8_REG, R9_REG): New constants.
3001 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3002 constants instead of magic numbers.
3003 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3005 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3006 (x86_64_ms_abi_int_parameter_registers): Ditto.
3007 (x86_64_int_return_registers): Ditto.
3008 (ix86_maybe_switch_abi): Ditto.
3009 (ix86_expand_call): Ditto for clobbered_registers array.
3010 (ix86_hard_regno_mode_ok): Ditto.
3011 (x86_extended_QIreg_mentioned_p): Ditto.
3013 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3015 PR tree-optimization/39349
3016 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3018 * combine.c (gen_lowpart_for_combine): Use omode when generating
3021 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3023 PR rtl-optimization/39235
3024 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3026 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3028 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3030 2009-03-04 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/39362
3033 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3034 that occur in abnormal PHIs should be varying.
3036 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3038 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3040 (simple_iv): Take loop as an argument instead of statement.
3041 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3042 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3044 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3046 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3047 * matrix-reorg.c (analyze_transpose): Ditto.
3048 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3049 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3050 * tree-predcom.c (ref_at_iteration): Ditto.
3051 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3053 2009-03-04 Richard Guenther <rguenther@suse.de>
3055 PR tree-optimization/39358
3056 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3057 escaped_id and callused_id.
3058 (solve_graph): Likewise.
3060 2009-03-04 Richard Guenther <rguenther@suse.de>
3062 PR tree-optimization/39339
3063 * tree-sra.c (try_instantiate_multiple_fields): Make it
3064 no longer ICE on the above.
3066 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3068 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3069 that fits within Pmode.
3071 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3074 * tm.texi (LIBCALL_VALUE): Update description.
3076 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3079 * doc/extend.texi (section): Update description.
3081 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3084 * tree-inline.c (remapped_type): New.
3085 (can_be_nonlocal): Call remapped_type instead of remap_type.
3087 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3090 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3091 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3093 2009-03-03 Richard Guenther <rguenther@suse.de>
3096 * tree.c (tree_nonartificial_location): New function.
3097 * tree.h (tree_nonartificial_location): Declare.
3098 * builtins.c (expand_builtin_memory_chk): Provide location
3099 of the call location for artificial function pieces.
3100 (maybe_emit_chk_warning): Likewise.
3101 (maybe_emit_sprintf_chk_warning): Likewise.
3102 (maybe_emit_free_warning): Likewise.
3103 * expr.c (expand_expr_real_1): Likewise.
3105 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3107 PR tree-optimization/39343
3108 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3109 COMPONENT_REF t has ARRAY_TYPE.
3111 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3114 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3115 when the type precision of the induction variable should be
3116 larger than the type precision of nit.
3117 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3118 * graphite.c (graphite_loop_normal_form): Same.
3119 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3121 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3123 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3124 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3125 numbers to describe clobbered registers.
3126 (*call_value_0_rex64_ms_sysv): Ditto.
3127 * config/i386/mmx.md (mmx_emms): Ditto.
3130 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3132 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3135 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3137 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3138 (spu_section_type_flags): New function.
3140 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3142 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3143 reg_class_contents of FLOAT_REGS into a temporary.
3145 2009-03-02 Richard Guenther <rguenther@suse.de>
3146 Ira Rosen <irar@il.ibm.com>
3148 PR tree-optimization/39318
3149 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3150 information to the vectorized statement.
3152 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3154 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3155 variable. Use defined names instead of magic constants for REX SSE
3158 2009-03-01 Richard Guenther <rguenther@suse.de>
3160 PR tree-optimization/39331
3161 * omp-low.c (lower_send_shared_vars): Do not receive new
3162 values for the reference of DECL_BY_REFERENCE parms or results.
3164 2009-03-01 Jan Hubicka <jh@suse.cz>
3167 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3168 BLOCK_NONLOCALIZED_VAR): New macros.
3169 (tree_block): Add nonlocalized_vars.
3170 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3171 gen_decl_die): Add origin argument. Allow generation of die with
3172 origin at hand only.
3173 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3174 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3176 (gen_block_die): Fix checking for unused blocks.
3177 (process_scope_var): Break out from .... ; work with origins only.
3178 (decls_for_scope) ... here; process nonlocalized list.
3179 (dwarf2out_ignore_block): Look for nonlocalized vars.
3180 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3182 (dump_scope_block): Dump them.
3183 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3184 (remap_block): Likewise.
3185 (can_be_nonlocal): New predicate.
3186 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3188 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3190 * configure: Regenerate.
3192 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3194 * optc-gen.awk: No need to duplicate option flags twice.
3195 Reuse help texts for duplicate options which do not have any.
3197 * gcc.c (display_help): Document --version.
3199 * gcc.c (main): If print_help_list and verbose_flag, ensure
3200 driver output comes before subprocess output.
3202 * optc-gen.awk: Assign all remaining fields to help string,
3203 space-separated, for multi-line help in *.opt.
3205 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3206 -Wno-pedantic-ms-format is for MinGW targets only.
3208 * doc/options.texi (Option file format): Fix bad indentation,
3209 restoring dropped sentence.
3211 2009-02-28 Jan Hubicka <jh@suse.cz>
3213 * tree-inline.c (tree_function_versioning): Output debug info.
3215 2009-02-28 Jan Hubicka <jh@suse.cz>
3218 * tree-inline.c (setup_one_parameter): Do not copy propagate
3219 arguments when not optimizing.
3221 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3224 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3225 (avx_addsubv4df3): Likewise.
3226 (*avx_addsubv4sf3): Likewise.
3227 (sse3_addsubv4sf3): Likewise.
3228 (*avx_addsubv2df3): Likewise.
3229 (sse3_addsubv2df3): Likewise.
3230 (avx_unpckhps256): Correct item selectors.
3231 (avx_unpcklps256): Likewise.
3232 (avx_unpckhpd256): Likewise.
3233 (avx_unpcklpd256): Likewise.
3235 2009-02-28 Jan Hubicka <jh@suse.cz>
3237 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3239 (copy_arguments_for_versioning): If var is declared don't declare it.
3240 (tree_function_versioning): First setup substitutions and then copy
3243 2009-02-27 Jan Hubicka <jh@suse.cz>
3246 * cgraph.h (varpool_output_debug_info): Remove.
3247 * cgraphunit.c (varpool_output_debug_info): Remove.
3248 * dwarf2out.c (deferred_locations_struct): New struct
3249 (deferred_locations): New type.
3250 (deferred_locations_list): New static var.
3251 (deffer_location): New function.
3252 (gen_variable_die): Use it.
3253 (decls_for_scope): Output info on local static vars.
3254 (dwarf2out_finish): Process deferred locations.
3255 * varpool.c (varpool_output_debug_info): Remove.
3257 2009-02-27 Jan Hubicka <jh@suse.cz>
3260 * tree.h (TREE_PROTECTED): Fix comment.
3261 (BLOCK_HANDLER_BLOCK): Remove.
3262 (struct tree_block): Remove handler_block add body_block.
3263 (inlined_function_outer_scope_p): New.
3264 (is_body_block): Remove.
3265 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3266 * dwarf2out.c (is_inlined_entry_point): Remove.
3267 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3268 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3270 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3271 * gimplify.c (gimplify_expr): Gimplify body blocks.
3272 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3273 block with multiple subblocks.
3274 (dump_scope_block): Prettier output; dump more flags and info.
3275 (dump_scope_blocks): New.
3276 (remove_unused_locals): Use dump_scope_blocks.
3277 * tree-flow.h (dump_scope_blocks): Declare.
3278 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3279 * stmt.c (is_body_block): Remove.
3280 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3281 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3283 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3286 * graphite.c (graphite_loop_normal_form): Do not call
3287 number_of_iterations_exit from a gcc_assert.
3289 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3291 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3292 jumps if COND is NULL.
3293 (find_cond_jump): New function.
3294 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3295 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3297 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3299 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3300 force_const_mem returns NULL_RTX.
3302 2009-02-26 Jan Hubicka <jh@suse.cz>
3305 * cgraph.h (varpool_output_debug_info): Remove.
3306 * cgraphunit.c (varpool_output_debug_info): Remove.
3307 * dwarf2out.c (deferred_locations_struct): New struct
3308 (deferred_locations): New type.
3309 (deferred_locations_list): New static var.
3310 (deffer_location): New function.
3311 (gen_variable_die): Use it.
3312 (decls_for_scope): Output info on local static vars.
3313 (dwarf2out_finish): Process deferred locations.
3314 * varpool.c (varpool_output_debug_info): Remove.
3316 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3318 PR rtl-optimization/39241
3319 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3320 to subreg_offset_representable_p.
3322 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3324 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3325 execute function prototype. Get f and nregs from max_reg_num
3326 and get_insns. Remove the first backward pass as it's dead,
3327 guard the forward pass by flag_expensive_optimizations.
3328 (rest_of_handle_regmove): Delete.
3329 (pass_regmove): Replace it with regmove_optimize.
3331 2009-02-25 Martin Jambor <mjambor@suse.cz>
3333 PR tree-optimization/39259
3334 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3335 calls_alloca function flags.
3336 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3339 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3341 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3342 flags_set_1_rtx, flags_set_1_set): Delete.
3343 (regmove_optimize): Do not call mark_flags_life_zones.
3345 2009-02-24 Julian Brown <julian@codesourcery.com>
3348 * config/arm/arm.c (require_pic_register): Only set
3349 cfun->machine->pic_reg once per function.
3351 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3353 * doc/invoke.texi (Link Options): Document an easier way to pass
3354 options that take arguments to the GNU linker using -Xlinker and -Wl.
3356 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3359 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3361 2009-02-24 Richard Guenther <rguenther@suse.de>
3364 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3366 2009-02-24 Richard Guenther <rguenther@suse.de>
3367 Zdenek Dvorak <ook@ucw.cz>
3369 PR tree-optimization/39233
3370 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3371 from converting them to a generic type.
3373 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3375 PR tree-optimization/39260
3376 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3377 contains a condition with a real type.
3378 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3380 2009-02-23 Jason Merrill <jason@redhat.com>
3383 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3384 narrowing_initializer_constant_valid_p.
3385 (narrowing_initializer_constant_valid_p): Don't return
3386 null_pointer_node for adding a pointer to itself.
3388 2009-02-23 Jan Hubicka <jh@suse.cz>
3391 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3394 2009-02-23 Jan Hubicka <jh@suse.cz>
3396 PR tree-optimization/37709
3397 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3398 * tree.h (block_ultimate_origin): Declare.
3399 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3400 * tree-ssa-live.c (remove_unused_scope_block_p):
3401 Eliminate blocks containig no instructions nor live variables nor
3403 (dump_scope_block): New function.
3404 (remove_unused_locals): Enable removal of dead blocks by default;
3405 enable dumping at TDF_DETAILS.
3407 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3409 * config/i386/i386.c (classify_argument): Don't allow COImode
3411 (function_arg_advance_32): Don't allow OImode.
3412 (function_arg_32): Likewise.
3413 (function_value_32): Likewise.
3414 (return_in_memory_32): Likewise.
3415 (function_arg_64): Remove OImode comment.
3417 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3420 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3421 ix86_expand_vector_set for V4DImode in 64bit mode only.
3422 (ix86_expand_vector_init_one_var): Likewise.
3424 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3426 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3428 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3431 * loop-iv.c: Revert last change.
3432 * emit-rtl.c: Likewise.
3434 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3437 * config/i386/i386.c (type_natural_mode): Remove an extra
3438 space in the warning message.
3439 (function_value_32): Handle 32-byte vector modes.
3440 (return_in_memory_32): Likewise.
3442 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3444 * loop-iv.c (truncate_value): New function.
3445 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3447 (lowpart_subreg): Move to...
3448 * emit-rtl.c: ...here.
3450 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3452 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3453 accidental and undocumented change at revision 140860.
3455 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3457 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3458 take gimple_seq * arguments.
3459 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3460 types_compatible_p langhook.
3462 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3463 Joseph Myers <joseph@codesourcery.com>
3465 * config/arm/arm.c (arm_builtin_va_list): New function.
3466 (arm_expand_builtin_va_start): Likewise.
3467 (arm_gimplify_va_arg_expr): Likewise.
3468 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3469 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3470 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3471 (va_list_type): New variable.
3472 (arm_mangle_type): Mangle va_list_type appropriately.
3474 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3477 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3478 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3479 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3480 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3481 parameter to 1000 for -O1 by default.
3482 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3484 * loop-invariant.c: Include params.h.
3485 (move_loop_invariants): Don't call move_single_loop_invariants on
3488 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3490 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3491 offset when calculating bounds for indexing stack_usage_map. Fixes
3492 a buffer overflow with certain target setups.
3494 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3497 * calls.c (expand_call): Clear try_tail_call if caller and callee
3498 disagree in promotion of function return value.
3500 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3503 * c-common.c (c_determine_visibility): If visibility changed and
3504 DECL_RTL has been already set, call make_decl_rtl to update symbol
3507 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3510 * varasm.c (assemble_variable): Don't check DECL_NAME when
3511 globalizing a variable.
3513 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3516 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3517 expression before any __builtin_trap call.
3518 * c-typeck.c (build_function_call): Convert and check function
3519 arguments before generating a call to a trap. Evaluate the
3520 function arguments before the trap.
3522 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3525 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3526 (UNSPEC_FXAM_MEM): New unspec.
3527 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3528 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3529 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3531 2009-02-19 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/39207
3534 PR tree-optimization/39074
3535 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3536 storedanything_tree): New.
3537 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3538 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3539 (build_succ_graph): Add edges from STOREDANYTHING to all
3541 (init_base_vars): Initialize STOREDANYTHING.
3542 (compute_points_to_sets): Free substitution info after
3543 building the succ graph.
3544 (ipa_pta_execute): Likewise.
3546 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3548 (do_ds_constraint): Do not add to special var or non-pointer
3550 (type_could_have_pointers): Split out from ...
3551 (could_have_pointers): ... here. For arrays use the element type.
3552 (create_variable_info_for): Initialize may_have_pointers.
3553 (new_var_info): Likewise.
3554 (handle_lhs_call): Make the HEAP variable unknown-sized.
3555 (intra_create_variable_infos): Use a type with pointers for
3556 PARM_NOALIAS, make it unknown-sized.
3558 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3561 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3563 2009-02-18 Jason Merrill <jason@redhat.com>
3566 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3567 value if DECL_EXTERNAL.
3568 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3569 * target.h (gcc_target::binds_local_p): Clarify "module".
3570 * tree.h (TREE_PUBLIC): Clarify "module".
3572 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3575 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3576 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3578 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3581 * c.opt (Wabi): Support C and ObjC.
3584 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3586 * config/i386/i386.c (classify_argument): Warn once about the ABI
3587 change when passing union with long double.
3589 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3591 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3594 * c-parser.c (c_parser_compound_statement): Always enter and leave
3597 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3600 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3602 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3604 PR tree-optimization/36922
3605 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3606 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3609 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3611 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3614 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3616 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3618 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3620 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3623 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3624 Richard Sandiford <rdsandiford@googlemail.com>
3626 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3627 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3628 (loongson_biadd): ...this.
3630 2009-02-17 Richard Guenther <rguenther@suse.de>
3632 PR tree-optimization/39202
3633 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3634 a var make sure to follow existing collapses.
3636 2009-02-17 Richard Guenther <rguenther@suse.de>
3639 * langhooks.c (lhd_print_error_function): Check for NULL block.
3641 2009-02-17 Richard Guenther <rguenther@suse.de>
3643 PR tree-optimization/39204
3644 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3647 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3649 * config/soft-fp/double.h: Update from glibc CVS.
3651 2009-02-17 Richard Guenther <rguenther@suse.de>
3653 PR tree-optimization/39207
3654 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3655 strict-aliasing warnings for pointers pointing to NULL.
3657 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3660 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3661 skipping until next close brace.
3663 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3666 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3667 to function argument boundary.
3669 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3671 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3672 in the lea_add. Reload eventually constraints it properly.
3673 * config/picochip/constraints.md : Remove the target constraint
3674 "b", since it is not needed anymore.
3676 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3678 * gthr-dce.h: Uglify function parameter and local variable names.
3679 * gthr-gnat.h: Likewise.
3680 * gthr-mipssde.h: Likewise.
3681 * gthr-nks.h: Likewise.
3682 * gthr-posix95.h: Likewise.
3683 * gthr-posix.h: Likewise.
3684 * gthr-rtems.h: Likewise.
3685 * gthr-single.h: Likewise.
3686 * gthr-solaris.h: Likewise.
3687 * gthr-tpf.h: Likewise.
3688 * gthr-vxworks.h: Likewise.
3689 * gthr-win32.h: Likewise.
3691 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3694 * config/i386/i386.md: Restrict the new peephole2 to move
3695 between MMX/SSE registers.
3697 2009-02-15 Richard Guenther <rguenther@suse.de>
3700 2009-02-13 Richard Guenther <rguenther@suse.de>
3702 * configure.ac: Enable LFS.
3703 * configure: Re-generate.
3704 * config.in: Likewise.
3706 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3708 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3709 spu_srqwbyte, spu_srqwbytebc): Define.
3710 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3711 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3712 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3713 "shrqby_<mode>"): New insn-and-split patterns.
3714 * config/spu/spu.c (expand_builtin_args): Determine and return
3715 number of operands using spu_builtin_description data.
3716 (spu_expand_builtin_1): Use it.
3718 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3721 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3724 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3727 * config/i386/i386.c (override_options): Correct warning
3728 messages for -malign-loops, -malign-jumps and -malign-functions.
3730 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3733 * config/i386/i386.md: Restrict the new peephole2 to move
3734 between the general purpose registers.
3736 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3739 * config/i386/i386.c (type_natural_mode): Add a new argument.
3740 Return the original mode and warn ABI change if vector size is 32byte.
3741 (function_arg_advance): Updated.
3742 (function_arg): Likewise.
3743 (ix86_function_value): Likewise.
3744 (ix86_return_in_memory): Likewise.
3745 (ix86_sol10_return_in_memory): Likewise.
3746 (ix86_gimplify_va_arg): Likewise.
3747 (function_arg_32): Don't warn ABX ABI change here.
3748 (function_arg_64): Likewise.
3750 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3752 * loop-iv.c (implies_p): In the final case, test that operands 0
3753 of the two comparisons match.
3755 * config/bfin/bfin.c (find_prev_insn_start): New function.
3756 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3757 (find_next_insn_start): Move.
3759 2009-02-13 Richard Guenther <rguenther@suse.de>
3761 * configure.ac: Enable LFS.
3762 * configure: Re-generate.
3763 * config.in: Likewise.
3765 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3768 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3769 sizes on syntax error after some arguments have been parsed.
3771 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3773 * doc/invoke.texi (-fira): Remove.
3775 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3777 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3778 * recog.c: Likewise.
3781 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3783 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3784 (umul_ppmm): Likewise.
3785 (count_leading_zeros): Likewise.
3786 (count_trailing_zeros): Likewise.
3787 (UMUL_TIME): Likewise.
3789 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3791 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3792 soft-fp/t-softfp to tmake_file.
3794 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3795 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3796 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3797 IA64_BUILTIN_INFQ]: New.
3798 (ia64_init_builtins): Initialize __builtin_infq,
3799 __builtin_fabsq and __builtin_copysignq if not HPUX.
3800 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3801 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3803 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3805 (__fixtfti): Likewise.
3806 (__fixunstfti): Likewise.
3807 (__floattitf): Likewise.
3809 * config/ia64/libgcc-glibc.ver: New.
3810 * config/ia64/t-fprules-softfp: Likewise.
3811 * config/ia64/sfp-machine.h: Likewise.
3813 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3814 (LIBGCC2_TF_CEXT): Likewise.
3815 (TF_SIZE): Likewise.
3816 (TARGET_INIT_LIBFUNCS): Likewise.
3818 * config/ia64/t-glibc (SHLINB_MAPFILES):
3819 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3821 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3823 * config/i386/i386.c (construct_container): Rewrite processing
3824 BLKmode with X86_64_SSE_CLASS.
3826 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3829 * config/i386/i386.md: Replace simplify_replace_rtx with
3830 replace_rtx in the new peephole2.
3832 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3834 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3835 loop unrolling do not happen at -O2.
3837 2009-02-12 Michael Matz <matz@suse.de>
3839 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3841 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3843 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3846 2009-02-12 Ben Elliston <bje@au.ibm.com>
3848 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3849 patterns when updating the back chain. Missed in the 2009-02-10
3852 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3854 * doc/extend.texi (Decimal Floating Types): Update identifier of
3855 draft TR and list of missing support.
3857 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3860 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3861 bit to variable length decl's flags, add it also to its
3862 pointer replacement variable.
3864 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3865 Jakub Jelinek <jakub@redhat.com>
3868 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3869 (memory_blockage): New expander.
3870 (*memory_blockage): New insn pattern.
3871 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3872 instead of general blockage at the end of function prologue when
3873 frame pointer is used to access red zone area. Do not emit blockage
3874 when profiling, it is emitted in generic code.
3875 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3876 function epilogue when frame pointer is used to access red zone area.
3878 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3881 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3882 by arithmetic with memory operands.
3883 * config/i386/predicates.md (commutative_operator): New.
3885 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3887 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3890 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3892 * alias.h (record_alias_subset): Declare.
3893 * alias.c (record_alias_subset): Make global.
3895 2009-02-10 Nick Clifton <nickc@redhat.com>
3897 * tree-parloops.c: Change license to GPLv3.
3898 * ipa-struct-reorg.c: Change license to GPLv3.
3899 * ipa-struct-reorg.h: Change license to GPLv3.
3901 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3904 * c-decl.c (start_struct): Return NULL on error.
3906 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3909 * cfgloopmanip.c (remove_path): Call remove_bbs after
3910 cancel_loop_tree, not before it.
3913 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3914 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3915 VAR_DECLs were seen.
3916 * tree-ssa-live.c (remove_unused_locals): Recompute
3917 cfun->has_local_explicit_reg_vars.
3918 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3919 copies or clearings if cfun->has_local_explicit_reg_vars.
3921 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3924 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3925 of function prologue when frame pointer is used to access
3928 2009-02-10 Richard Guenther <rguenther@suse.de>
3931 * gimplify.c (gimple_regimplify_operands): Always look if
3932 we need to create a temporary.
3934 2009-02-10 Richard Guenther <rguenther@suse.de>
3936 PR tree-optimization/39132
3937 * tree-loop-distribution.c (todo): New global var.
3938 (generate_memset_zero): Trigger TODO_rebuild_alias.
3939 (tree_loop_distribution): Return todo.
3941 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3944 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3945 (x86_64_reg_class_name): Removed.
3946 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3947 first one isn't X86_64_SSE_CLASS or any other ones aren't
3948 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3949 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3950 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3951 and 3 X86_64_SSEUP_CLASS.
3952 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3953 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3955 2009-02-10 Ben Elliston <bje@au.ibm.com>
3957 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3958 form instruction to update the stack back chain word, even if the
3959 user has disabled the generation of update instructions.
3960 (movdi_<mode>_update_stack): New.
3961 (movsi_update_stack): Likewise.
3962 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3963 always use an update form instruction to update the stack back
3966 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
3969 * graphite.c (if_region_set_false_region): After moving a region in
3970 the false branch of a condition, remove the empty dummy basic block.
3971 (gloog): Remove wrong fix for PR38953.
3973 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3975 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3976 generation due to implicit sign extension.
3978 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
3981 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3982 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3984 2009-02-09 Richard Guenther <rguenther@suse.de>
3987 * convert.c (convert_to_real): Disable (float)fn((double)x)
3988 to fnf(x) conversion if errno differences may occur and
3989 -fmath-errno is set.
3991 2009-02-07 Anatoly Sokolov <aesok@post.ru>
3993 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3994 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3995 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3997 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4000 * c-common.c (handle_alias_attribute): Disallow attribute for
4001 anything not a FUNCTION_DECL or VAR_DECL.
4003 2009-02-06 Janis Johnson <janis187@us.ibm.com>
4006 * real.c (do_compare): Special-case compare of zero against
4007 decimal float value.
4009 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4012 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4013 as indicating flexible array members unless the field itself is
4014 being declarared as the incomplete array.
4016 2009-02-06 Jan Hubicka <jh@suse.cz>
4018 PR tree-optimization/38844
4019 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4022 2009-02-06 Richard Guenther <rguenther@suse.de>
4025 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4026 fork because we may expand it as __gcov_fork.
4028 2009-02-06 Nick Clifton <nickc@redhat.com>
4030 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4032 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4034 PR tree-optimization/35659
4035 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4036 vn_phi_eq): Shortcut if hashcode does not match.
4037 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4039 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4040 and avoid iterative_hash_expr.
4041 (FOR_EACH_VALUE_ID_IN_SET): New.
4042 (value_id_compare): Remove.
4043 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4044 sort expressions by value id.
4046 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4049 * config/sh/predicates.md (general_movsrc_operand): Don't check
4050 the subreg of system registers here.
4052 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4055 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4058 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4060 PR rtl-optimization/39110
4061 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4062 addresses, not aligned ones.
4064 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4065 Richard Guenther <rguenther@suse.de>
4067 PR tree-optimization/39100
4068 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4069 comment says and add edges.
4071 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4074 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4075 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4077 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4079 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4080 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4081 register_bb_in_sese, new_sese, free_sese): Moved.
4082 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4083 outermost_loop_in_scop, build_scop_iteration_domain,
4084 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4085 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4086 Use loop_in_sese_p instead of loop_in_scop_p.
4087 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4088 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4089 (scopdet_basic_block_info): Fix bug in scop detection.
4090 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4091 eq_loop_to_cloog_loop): Remove.
4092 (nb_loops_around_loop_in_scop, nb_loop
4093 ref_nb_loops): Moved here...
4094 * graphite.h (ref_nb_loops): ... from here.
4095 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4096 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4097 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4098 * testsuite/gcc.dg/graphite/scop-19.c: New
4100 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4101 Hans-Peter Nilsson <hp@axis.com>
4103 PR rtl-optimization/37889
4104 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4105 Move offset handling from PLUS to before the switch. Use new
4106 arguments when considering SYMBOL_REFs too.
4107 (rtx_addr_can_trap_p): Pass dummy offset and size.
4108 (enum may_trap_p_flags): Remove.
4109 (may_trap_p_1): Pass size from MEM_SIZE.
4111 PR rtl-optimization/38921
4112 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4113 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4114 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4115 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4117 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4119 AVX Programming Reference (January, 2009)
4120 * config/i386/sse.md (*vpclmulqdq): New.
4122 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4124 PR tree-optimization/38977
4125 PR gcov-profile/38292
4126 * calls.c (special_function_p): Disregard __builtin_ prefix.
4128 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4130 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4131 non-indexable addresses even before reload.
4133 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4136 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4137 as having variable size. Do not give an error for unnamed
4138 parameters with [*] declarators. Give a warning for type names
4139 with [*] declarators and mark them as variable size.
4140 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4141 for sizeof applied to [*] type names.
4143 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4146 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4148 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4150 * gcc.c (process_command): Update copyright notice dates.
4151 * gcov.c (print_version): Likewise.
4152 * gcov-dump.c (print_version): Likewise.
4153 * mips-tfile.c (main): Likewise.
4154 * mips-tdump.c (main): Likewise.
4156 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4159 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4160 for composite type involving a zero-length array type.
4162 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4165 * function.c (match_asm_constraints_1): Skip over
4166 initial optional % in the constraint.
4169 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4170 supported, don't accept FIXED_CSTs.
4171 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4172 and _Sat is used without _Fract/_Accum. Set specs->type to
4173 integer_type_node for cts_fract/cts_accum if fixed point is not
4176 2009-02-02 Catherine Moore <clm@codesourcery.com>
4178 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4180 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4182 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4183 (ABI_HAS_64BIT_SYMBOLS): Use it.
4184 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4186 2009-02-02 Paul Brook <paul@codesourcery.com>
4188 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4190 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4193 * recog.h (asm_operand_ok): Add constraints argument.
4194 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4195 recurse on matching constraint.
4196 (check_asm_operands): Pass constraints as 3rd argument to
4197 asm_operand_ok. Don't look up matching constraint here.
4198 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4201 2009-02-02 Ben Elliston <bje@au.ibm.com>
4203 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4204 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4206 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4208 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4209 information. Remove some obsolete information. Reorganize.
4211 * config/pa/fptr.c: Revert license to GPL 2.
4212 * config/pa/milli64.S: Likewise.
4214 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4217 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4218 LIBRARY name in, instead of hard-coding it.
4219 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4220 extra target make frag to tmake_files according to EH model.
4221 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4222 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4223 frags that define makefile variable EH_MODEL appropriately.
4224 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4225 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4226 to "-sjlj" according to type of EH configured.
4227 (LIBGCC_SONAME): Concatenate it to shared library base name.
4228 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4229 to "_sjlj" according to type of EH configured.
4230 (LIBGCC_SONAME): Concatenate it to shared library base name.
4231 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4232 (SHLIB_LINK): Add missing semicolon to if-else construct.
4233 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4234 string value of "pe_dll" command-line option.
4235 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4236 (SHLIB_SONAME): Use it when overriding t-cygming default.
4237 (SHLIB_IMPLIB): Override t-cygming default.
4238 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4239 string value of "pe_dll" command-line option.
4241 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4244 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4245 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4247 2009-01-31 Richard Guenther <rguenther@suse.de>
4249 PR tree-optimization/38937
4250 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4251 computing the transitive closure.
4253 2009-01-30 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/39041
4256 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4257 Propagate variable indices only if the types match for this stmt.
4259 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4262 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4263 inline but never defined.
4265 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4267 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4268 (*insv_h_di_reg_extimm): New insn.
4269 (*insv_l<mode>_reg_extimm): New insn.
4271 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4273 * config/picochip/picochip.c (flag_conserve_stack): set
4274 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4275 fconserve-stack. Reduce call-overhead used by inliner.
4277 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4280 * common.opt (flag_conserve_stack): Initialised to zero.
4282 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4285 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4286 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4289 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4291 * ira-color.c (allocno_reload_assign): Update comments.
4292 * regmove.c (regmove_optimize): Likewise.
4296 2009-01-29 Robert Millan <rmh@aybabtu.com>
4298 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4299 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4300 `MD_UNWIND_SUPPORT'.
4301 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4303 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4305 PR tree-optimization/39007
4306 * tree-loop-distribution.c (generate_builtin): Use
4307 recompute_dominator to compute the immediate dominator of the
4308 basic block just after the loop.
4310 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4312 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4313 (ASM_OUTPUT_DWARF_PCREL): Define.
4315 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4317 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4318 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4319 global. Modify entries about regmove and IRA.
4321 * ra-conflict.c: Remove the file.
4323 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4325 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4326 (pass_regclass_init): Rename to pass_reginfo_init.
4328 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4330 * toplev.h (flag_ira): Remove.
4332 * caller-save.c (setup_save_areas): Remove flag_ira.
4334 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4336 * global.c: Remove the file.
4338 * opts.c (decode_options): Remove flag_ira.
4340 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4342 * regmove.c: Modify file description.
4343 (find_use_as_address, try_auto_increment): Define them only if
4344 AUTO_INC_DEC is defined.
4345 (replacement_quality, replace_in_call_usage, fixup_match_1,
4346 stable_and_no_regs_but_for_p): Remove.
4347 (reg_set_in_bb): Make it static.
4348 (regmove_optimize): Remove flag_ira and code which worked for
4351 * local-alloc.c: Remove the file.
4353 * common.opt (fira): Remove.
4355 * ira.c: Include except.h.
4356 (eliminable_regset): Move from global.c.
4357 (mark_elimination): Ditto. Remove flag_ira.
4358 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4359 equiv_mem_modified, validate_equiv_mem_from_store,
4360 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4361 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4362 no_equiv, recorded_label_ref): Move from local-alloc.c.
4363 (update_equiv_regs): Ditto. Make it static.
4364 (print_insn_chain, print_insn_chains): Move it from global.c.
4365 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4366 (build_insn_chain): Ditto. Make it static.
4367 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4368 Rename to init_live_subregs.
4369 (gate_ira): Remove flag_ira.
4371 * regclass.c: Rename reginfo.c. Change file description.
4372 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4373 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4374 (init_reg_sets_1): Remove code for evaluation of
4375 reg_class_superclasses and losing_caller_save_reg_set.
4376 (init_regs): Remove init_reg_autoinc.
4377 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4378 ok_for_base_p_nonstrict): Remove.
4379 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4380 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4381 corresponding entries.
4382 (dump_regclass, record_operand_costs, scan_one_insn,
4383 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4384 record_address_regs, auto_inc_dec_reg_p): Remove.
4385 (gt-regclass.h): Rename to gt-reginfo.h.
4387 * rtl.h (dump_global_regs, retry_global_alloc,
4388 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4390 * Makefile.in (RA_H): Remove.
4391 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4392 Rename regclass.o to reginfo.o.
4393 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4395 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4396 (GTFILES): Rename regclass.c to reginfo.c.
4398 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4399 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4401 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4402 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4404 (finish_spills): Ditto. Remove code for !flag_ira.
4406 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4409 * doc/invoke.texi (rtl debug options): Complete rewrite.
4410 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4412 * mode-switching.c (pass_mode_switching): Rename pass from
4413 "mode-sw" to "mode_sw".
4414 * except.c (pass_convert_to_eh_ranges): Rename pass from
4415 "eh-ranges" to "eh_ranges".
4416 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4420 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4421 Alexander Monakov <amonakov@ispras.ru>
4424 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4426 (move_exprs_to_boundary): Change return type and pass through
4427 should_move from move_op. Relax assert. Update usage ...
4428 (schedule_expr_on_boundary): ... here. Use should_move instead of
4430 (move_op_orig_expr_found): Indicate that insn was disconnected from
4432 (code_motion_process_successors): Do not call after_merge_succs
4433 callback if original expression was not found when traversing any of
4435 (code_motion_path_driver): Change return type. Update prototype.
4436 (move_op): Update comment. Add a new parameter (should_move). Update
4437 prototype. Set *should_move based on indication provided by
4438 move_op_orig_expr_found.
4440 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4442 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4443 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4444 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4445 * config/rs6000/rs6000.c (rs6000_override_options): Default
4446 avoid-indexed-addresses on for Power6, off for everything else.
4447 (avoiding_indexed_address_p): New function.
4448 (rs6000_legitimize_address): Use it.
4449 (rs6000_legitimate_address): Likewise.
4450 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4452 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4454 PR tree-optimization/38997
4455 * tree-loop-distribution.c (generate_memset_zero): Use
4456 POINTER_PLUS_EXPR for a pointer addition.
4458 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4460 * config/s390/s390.md (bswap<mode>2): New pattern added.
4462 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4464 * config/s390/s390.md (*tls_load_31): Added type attribute.
4466 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4468 * config/s390/s390.md: Fix a few comments.
4470 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4472 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4473 (*tm<mode>_full): Fixed z10prop attribute.
4474 (*tst<mode>_extimm): Fixed z10prop attribute.
4475 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4476 (*tstqiCCT_cconly): Fixed z10prop attribute.
4477 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4478 (*movsi_larl): Fixed z10prop attribute.
4479 (*movsi_zarch): Fixed z10prop attribute.
4480 (*movsi_eas): Fixed z10prop attribute.
4481 (*movhi): Fixed z10prop attribute.
4482 (*movqi): Fixed z10prop attribute.
4483 (*movstrictqi): Fixed z10prop attribute.
4484 (*mov<mode>): Fixed z10prop attribute.
4485 (*movcc): Fixed z10prop attribute.
4486 (*sethighpartdi_64): Fixed z10prop attribute.
4487 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4488 (*negdi2_sign_cc): Fixed z10prop attribute.
4489 (*negdi2_sign): Fixed z10prop attribute.
4490 (*absdi2_sign_cc): Fixed z10prop attribute.
4491 (*absdi2_sign): Fixed z10prop attribute.
4492 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4493 (*negabsdi2_sign): Fixed z10prop attribute.
4494 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4495 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4496 (doloop_si64): Fixed z10prop attribute.
4497 (doloop_si31): Fixed z10prop attribute.
4498 (doloop_long): Fixed z10prop attribute.
4499 (indirect_jump): Fixed z10prop attribute.
4500 (nop): Fixed z10prop attribute.
4501 (main_base_64): Fixed z10prop attribute.
4502 (reload_base_64): Fixed z10prop attribute.
4504 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4506 PR rtl-optimization/38740
4507 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4509 * config/mips/mips.c (mips_reorg): Likewise.
4511 2009-01-28 Richard Guenther <rguenther@suse.de>
4513 PR tree-optimization/38926
4514 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4515 with the correct value id to a value.
4516 (do_regular_insertion): Use the value number of edoubleprime
4517 for the value number of the expr.
4520 2008-08-21 Richard Guenther <rguenther@suse.de>
4522 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4523 a PHI ask VN if it is already available.
4524 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4525 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4527 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4530 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4531 set to varying whenever max has TREE_OVERFLOW set, similarly
4532 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4534 2009-01-28 Richard Guenther <rguenther@suse.de>
4537 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4538 uninitialized aggregate uses in call arguments.
4540 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4542 PR tree-optimization/38984
4543 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4544 the nothing_id variable if -fno-delete-null-pointer-checks.
4546 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4549 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4550 (set_got_offset_rex64): Ditto.
4552 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4555 * doc/extend.texi: Improve local variable with asm reg.
4557 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4559 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4560 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4561 was not supplied then set warn_packed_bitfield_compat to the
4563 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4566 2009-01-27 Richard Guenther <rguenther@suse.de>
4568 PR tree-optimization/38503
4569 * cfgexpand.c (expand_gimple_basic_block): Ignore
4570 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4571 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4572 variables that cannot have TBAA applied.
4573 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4576 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4579 * calls.c (initialize_argument_information): Do not wrap complex
4580 arguments in SAVE_EXPR.
4582 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4584 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4585 (INSTALL_LIBGCC): Revert typo commit.
4587 2009-01-26 Richard Guenther <rguenther@suse.de>
4589 PR tree-optimization/38745
4590 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4591 from special handling.
4593 2009-01-26 Richard Guenther <rguenther@suse.de>
4595 PR tree-optimization/38745
4596 * tree-ssa.c (execute_update_addresses_taken): Do not include
4597 variables that cannot possibly be a register in not_reg_needs.
4598 Do not clear TREE_ADDRESSABLE on vars that may not become
4600 * tree-ssa.c (update_alias_info_1): Include those in the set
4601 of addressable vars.
4603 2009-01-26 Richard Guenther <rguenther@suse.de>
4606 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4607 * tree-ssa-dse.c: Include langhooks.h
4608 (execute_simple_dse): Remove stores with zero size.
4610 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4613 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4616 2009-01-24 Julian Brown <julian@codesourcery.com>
4618 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4619 config/arm/linux-atomic.c.
4620 * config/arm/linux-atomic.c: New.
4622 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4624 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4625 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4626 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4628 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4631 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4634 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4636 PR tree-optimization/38953
4637 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4638 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4639 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4640 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4643 2009-01-24 Paul Brook <paul@codesourcery.com>
4645 * config/arm/neon.md (neon_type): Move to arm.md.
4646 (neon_mov<VSTRUCT>): Add neon_type attribute.
4647 * config/arm/arm.md (neon_type): Move to here.
4648 (conds): Add "unconditioal" and use as default for NEON insns.
4650 2009-01-24 Ben Elliston <bje@au.ibm.com>
4652 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4653 void *' warning from -Wc++-compat.
4654 * Makefile.in (dominance.o-warn): Remove.
4656 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4658 PR tree-optimization/38932
4659 * fold-const.c (fold_unary_ignore_overflow): New.
4660 * tree.h (fold_unary_ignore_overflow): Declare.
4661 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4662 * tree-ssa-sccvn.c (visit_reference_op_load,
4663 simplify_unary_expression): Likewise.
4665 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4667 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4668 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4669 regardless of their type.
4670 * c-common.c (handle_packed_attribute): Don't ignore packed on
4672 * c.opt (Wpacked-bitfield-compat): New warning option.
4673 * stor-layout.c (place_field): Warn if offset of a field changed.
4674 * doc/extend.texi (packed): Mention the ABI change.
4675 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4676 (Warning Options): Add it to the list.
4678 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4680 * c-opts.c (c_common_post_options): Fix a typo in comments.
4682 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4685 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4686 variables to static.
4687 * doc/invoke.texi (-fmerge-all-constants): Update description.
4689 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4692 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4693 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4695 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4697 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4699 (LOCAL_ALIGNMENT): Similarly.
4701 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4702 Joseph Myers <joseph@codesourcery.com>
4704 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4705 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4706 * config/arm/arm-tune.md: Regenerate.
4707 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4710 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4712 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4713 version number to five.
4715 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4718 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4719 * c-common.c (set_underlying_type): Likewise.
4720 (is_typedef_decl ): Likewise
4722 (set_underlying_type): Likewise.
4723 (is_typedef_type): Likewise.
4725 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4728 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4731 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4734 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4735 (LIBGCC_SPEC): Don't define.
4736 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4738 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4740 PR rtl-optimization/38879
4741 * alias.c (base_alias_check): Unaligned access via AND address can
4742 alias all surrounding object types except those with sizes equal
4743 or wider than the size of unaligned access.
4745 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4748 * c-decl.c (clone_underlying_type): Move this ...
4749 * c-common.c (set_underlying_type): ... here.
4750 Also, make sure the function properly sets TYPE_STUB_DECL() on
4751 the newly created typedef variant type.
4752 (is_typedef_decl ): New entry point.
4753 * tree.h: Added a new member member_types_needing_access_check to
4754 struct tree_decl_non_common.
4755 (set_underlying_type): New entry point.
4756 (is_typedef_type): Likewise.
4758 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4760 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4761 Check whether two instructions have memory references that
4762 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4763 are helper functions for traversing.
4764 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4765 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4766 not to draw dependency edge for instructions with non-conflicting
4769 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4772 * longlong.h: Update copyright years. Use soft-fp license notice.
4773 Sync __clz_tab declaration with glibc.
4775 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4778 * doc/extend.texi (syscall_linkage): New.
4779 (version_id): Modify.
4781 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4782 Richard Guenther <rguenther@suse.de>
4784 PR tree-optimization/38747
4785 PR tree-optimization/38748
4786 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4787 conversion if the base address is an indirect reference and the
4788 aliasing sets could cause issues.
4790 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4792 * common.opt (fgraphite, fgraphite-identity): Add comment for
4793 explaining why these options are not documented.
4795 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4797 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4798 gimple_call_lhs is NULL.
4800 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4803 * emit-rtl.c (adjust_address_1): Make sure memref is never
4806 2009-01-20 Ben Elliston <bje@au.ibm.com>
4808 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4809 const qualifier from arg parameter. Remove unnecessary cast to char *.
4810 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4811 const qualifier from arg 2.
4813 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4815 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4817 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4820 * rtl.h (reinit_regs): New prototype.
4821 * regclass.c: Include ira.h.
4823 * Makefile.in (regclass.o): Add ira.h.
4824 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4826 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4829 * c-common.c (handle_aligned_attribute): Use
4830 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4831 default alignment value.
4833 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4835 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4836 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4838 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4839 __BIGGEST_ALIGNMENT__.
4841 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4843 2009-01-18 Richard Guenther <rguenther@suse.de>
4845 PR tree-optimization/38819
4846 * tree-flow.h (operation_could_trap_helper_p): Declare.
4847 * tree-eh.c (operation_could_trap_helper_p): Export.
4848 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4849 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4850 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4851 are about to insert a possibly trapping instruction and fail
4854 2009-01-18 Andreas Schwab <schwab@suse.de>
4856 * doc/install.texi (Configuration): Remove obsolete paragraph
4857 about use of --with-gnu-ld with --with-gnu-as.
4859 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4861 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4862 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4863 Follow spelling conventions.
4865 2009-01-18 Ben Elliston <bje@au.ibm.com>
4867 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4868 C++ warning about implicit conversion from void * to struct
4870 (bitmap_obstack_free): Likewise for bitmap_element *.
4871 * Makefile.in (bitmap.o-warn): Remove.
4873 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4875 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4877 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4878 Tobias Grosser <tobi.grosser@amd.com>
4880 * graphite.c (graphite_trans_scop_block): Do not block single
4883 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4885 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4886 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4887 test with assertion.
4889 2009-01-16 Richard Guenther <rguenther@suse.de>
4891 PR tree-optimization/38835
4893 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4894 and INT + PTR -> (INT)(PTR p+ INT) folding.
4895 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4897 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4900 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4901 the subreg from a lowpart subreg if it is also casting the value.
4903 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4904 Tobias Grosser <tobi.grosser@amd.com>
4906 * graphite.c (compare_prefix_loops): New.
4907 (build_scop_canonical_schedules): Rewritten.
4908 (graphite_transform_loops): Move build_scop_canonical_schedules
4909 after build_scop_iteration_domain.
4911 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4912 Tobias Grosser <tobi.grosser@amd.com>
4914 * graphite.c (add_conditions_to_domain): Add the loops to
4915 the dimension of the iteration domain. Do copy the domain
4916 only when it exists.
4917 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4918 (add_conditions_to_constraints): New.
4919 (can_generate_code_stmt, can_generate_code): Removed.
4920 (gloog): Do not call can_generate_code.
4921 (graphite_transform_loops): Call add_conditions_to_constraints
4922 after building the iteration domain.
4924 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4926 PR tree-optimization/38789
4927 * tree-ssa-threadedge.c
4928 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4929 __builtin_constant_p.
4931 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4933 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4934 examined before deleting them.
4936 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4938 * function.c (aggregate_value_p): Correctly extract the function
4939 type from CALL_EXPR_FN lookup.
4941 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4943 * config/picochip/picochip.c (picochip_override_options): Revert
4944 CFI asm flag disable commited previously.
4946 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4947 Tobias Grosser <tobi.grosser@amd.com>
4948 Jan Sjodin <jan.sjodin@amd.com>
4950 * graphite.c (scan_tree_for_params): On substractions negate
4951 all the coefficients of the term.
4952 (clast_to_gcc_expression_red): New. Handle reduction expressions
4953 of more than two operands.
4954 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4955 (get_vdef_before_scop): Handle also the case of default definitions.
4957 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4959 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4960 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4961 Also use them when walking CALL_INSN_FUNCTION_USAGE.
4963 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
4964 Joey Ye <joey.ye@intel.com>
4967 * cfgexpand.c (expand_stack_alignment): Don't update stack
4968 boundary nor check incoming stack boundary here.
4969 (gimple_expand_cfg): Update stack boundary and check incoming
4970 stack boundary here.
4972 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
4974 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
4976 2009-01-14 Jakub Jelinek <jakub@redhat.com>
4978 PR rtl-optimization/38245
4979 * calls.c (expand_call): Add stack arguments to
4980 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4981 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
4982 in regs and partially in memory or BLKmode arguments.
4983 (emit_library_call_value_1): Add stack arguments to
4984 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4985 ACCUMULATE_OUTGOING_ARGS).
4986 * dce.c: Include tm_p.h.
4987 (find_call_stack_args): New function.
4988 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
4990 (mark_insn): Call find_call_stack_args for CALL_Ps.
4991 (prescan_insns_for_dce): Walk insns backwards in bb rather than
4992 forwards. Allocate and free arg_stores bitmap if needed, pass it
4993 down to deletable_insn_p, don't mark stores set in arg_stores
4994 bitmap, clear the bitmap at the beginning of each bb.
4995 * Makefile.in (dce.o): Depend on $(TM_P_H).
4997 2009-01-14 Michael Meissner <gnu@the-meissners.org>
5000 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
5001 to make sure the insn is a conditional test (bug 22599). Reformat a
5004 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
5007 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5008 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5009 (gloog): Do not call cleanup_tree_cfg.
5010 (graphite_transform_loops): Call cleanup_tree_cfg after all
5011 scops have been code generated.
5013 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5014 * doc/gty.texi (Invoking the garbage collector): Added new node
5015 and section documenting ggc_collect.
5017 2009-01-14 Richard Guenther <rguenther@suse.de>
5019 PR tree-optimization/38826
5021 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5022 initialization notes only if we actually emitted a warning.
5023 (intra_create_variable_infos): Add constraints for a result decl
5024 that is passed by hidden reference.
5025 (build_pred_graph): Mark all related variables non-direct on
5028 2009-01-14 Nick Clifton <nickc@redhat.com>
5030 * ira-conflicts.c: Include addresses.h for the definition of
5032 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5033 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5035 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5038 * Makefile.in (ira-lives.o): Add except.h.
5040 * ira-lives.c: Include except.h.
5041 (process_bb_node_lives): Process can_throw_internal.
5043 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5045 PR rtl-optimization/38774
5046 * combine.c (simplify_set): When undoing cc_use change, don't do
5047 PUT_CODE on the newly created comparison, but instead put back the
5050 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5052 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5053 values. Remove duplicate arm8 entry.
5055 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5057 PR tree-optimization/38786
5058 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5059 the SSA_NAME case of expand_scalar_variables_expr.
5060 Set the type of an expression to the type of its assign statement.
5061 (expand_scalar_variables_expr): Also gather the scalar computation
5062 used to index the memory access. Do not pass loop_p.
5063 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5064 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5065 the gimple_stmt_iterator where it inserts new code.
5067 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5068 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5070 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5072 * graphite.h (debug_value): Removed.
5073 * graphite.c (debug_value): Removed.
5075 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5077 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5078 ldrd/strd with two 32-bit instructions.
5080 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5082 * config/arm/arm.c (struct processors): Pass for speed down into
5083 cost helper functions.
5084 (const_ok_for_op): Handle COMPARE and inequality nodes.
5085 (arm_rtx_costs_1): Rewrite.
5086 (arm_size_rtx_costs): Update prototype.
5087 (arm_rtx_costs): Pass speed down to helper functions.
5088 (arm_slowmul_rtx_costs): Rework cost calculations.
5089 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5090 (arm_9e_rtx_costs): Likewise.
5092 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5094 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5095 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5096 (alpha_legitimize_address): Do not split local symbols wider than
5097 UNITS_PER_WORD into HIGH/LO_SUM parts.
5099 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5102 * gcc.c (process_command): Replace call to execvp with calls
5103 to pex_one and exit.
5105 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5108 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5109 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5110 variant for devices with 3-byte PC.
5111 (__tablejump_elpm__): New.
5113 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5116 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5117 offsetof member-designator, handle it as `[0].'.
5119 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5121 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5122 function when not using named sections on targets with named sections
5123 if branch distance is less than 262132.
5125 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5127 * combine.c (combine_instructions): Recompute
5128 optimize_this_for_speed_p for each BB in the main combine loop.
5130 2009-01-12 Tomas Bily <tbily@suse.cz>
5133 * tree-loop-distribution.c (prop_phis): New function.
5134 (generate_builtin): Call prop_phis.
5135 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5137 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5139 PR tree-optimization/38807
5140 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5141 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5143 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5145 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5146 subreg of op0 to the original op0.
5148 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5150 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5152 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5155 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5156 starting with digits.
5158 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5161 * config/arm/arm.c (arm_is_long_call_p): Don't call
5162 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5164 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5166 * regrename.c (regrename_optimize): Fix dumping.
5167 (find_oldest_value_reg): Preserve REG_POINTER.
5168 (copy_hardreg_forward_1): Likewise.
5170 2009-01-09 Diego Novillo <dnovillo@google.com>
5172 * gimple.h (struct gimple_statement_base) <uid>: Document
5173 the restrictions on its use.
5175 (gimple_set_uid): Tidy.
5177 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5179 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5180 zero guard even if align_bytes != 0 and count is smaller than
5183 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5185 PR rtl-optimization/38495
5186 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5187 (add_range_and_copies_from_move_list): Print all added ranges.
5188 Add ranges to memory optimized destination.
5190 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5194 * config/i386/i386.c (override_options): Reject
5195 -mstringop-strategy=rep_8byte with -m32.
5196 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5197 to 1. Do count comparison against epilogue_size_needed at compile
5198 time even when count_exp was constant forced into register. For
5199 size_needed don't jump to epilogue, instead just avoid aligning
5200 and invoke the body algorithm. If need_zero_guard, add zero guard
5201 even if count is non-zero, but smaller than size_needed + number of
5202 bytes that could be stored for alignment.
5203 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5204 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5205 but smaller than size_needed + number of bytes that could be stored
5206 for alignment. Compare size_needed with epilogue_size_needed instead
5207 of desired_align - align, don't adjust size_needed, pass
5208 epilogue_size_needed to the epilogue expanders.
5211 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5213 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5215 * pa.c (last_address): Change to unsigned.
5216 (update_total_code_bytes): Change argument to unsigned. Don't
5217 check if insn addresses are set.
5218 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5219 addresses are not set.
5220 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5222 2009-01-09 Nick Clifton <nickc@redhat.com>
5224 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5225 DECL_DECLARED_INLINE_P.
5227 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5230 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5231 GET_MODE (op0) in operand_subword_force calls.
5234 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5235 fold_convert arg0 operands to TREE_TYPE (op0) first.
5237 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5239 * params.def (ira-max-conflict-table-size): Decrease default value
5242 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5244 PR tree-optimization/37031
5245 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5247 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5248 allocate it using gc instead of heap, use VEC_quick_push instead of
5250 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5251 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5252 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5253 allocated vector from heap allocated.
5254 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5255 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5256 vector only after perfect_loop_nest_depth call.
5258 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5259 Jan Sjodin <jan.sjodin@amd.com>
5261 PR tree-optimization/38559
5262 * graphite.c (debug_value, copy_constraint,
5263 swap_constraint_variables, scale_constraint_variable, ): New.
5264 (get_lower_bound, get_upper_bound): Removed.
5265 (graphite_trans_bb_strip_mine): Clean up this code that works
5266 only for constant number of iterations. Fully copy upper and
5267 lower bound constraints, not only the constant part of them.
5268 * graphite.h (debug_value): Declared.
5270 2009-01-08 Ira Rosen <irar@il.ibm.com>
5272 PR tree-optimization/37194
5273 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5274 Don't add the cost of cost model guard in prologue to scalar
5275 outside cost in case of known number of iterations.
5277 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5278 Alan Modra <amodra@bigpond.net.au>
5280 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5281 non-word-aligned REG+CONST addressing.
5283 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5286 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5287 free_after_compilation when outputting a thunk.
5288 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5289 Do not call free_after_compilation here.
5291 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5293 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5294 (ix86_valid_target_attribute_inner_p): Ditto.
5296 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5298 PR tree-optimization/38492
5299 PR tree-optimization/38498
5300 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5301 * tree-chrec.h (scev_is_linear_expression): Declared.
5302 * graphite.c (graphite_cannot_represent_loop_niter): New.
5303 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5304 (graphite_loop_normal_form): Use gcc_assert.
5305 (scan_tree_for_params): Use CASE_CONVERT.
5306 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5307 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5308 Use gcc_assert. Discard scops that contain unhandled cases.
5309 (build_scop_conditions): Return a boolean status for unhandled cases.
5310 (strip_mine_profitable_p): Print the loop number, not its depth.
5311 (is_interchange_valid): Pass the depth of the loop nest, don't
5312 recompute it wrongly.
5313 (graphite_trans_bb_block): Same.
5314 (graphite_trans_bb_block): Print tentative of loop blocking.
5315 (graphite_trans_scop_block): Do not print that the loop has been
5317 (graphite_transform_loops): Do not handle scops that contain condition
5320 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5322 AVX Programming Reference (December, 2008)
5323 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5324 (_mm256_stream_pd): Likewise.
5325 (_mm256_stream_ps): Likewise.
5327 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5328 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5329 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5330 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5331 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5332 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5333 (ix86_expand_special_args_builtin): Likewise.
5335 * config/i386/sse.md (AVXMODEDI): New.
5336 (avx_movnt<mode>): Likewise.
5337 (avx_movnt<mode>): Likewise.
5338 (<sse>_movnt<mode>): Remove AVX support.
5339 (sse2_movntv2di): Likewise.
5341 2009-01-07 Richard Guenther <rguenther@suse.de>
5344 * fold-const.c (extract_muldiv): Remove obsolete comment.
5345 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5346 to PLUS_EXPR canonicalization for the canonicalization.
5348 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5350 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5351 hosted cross-compilers generating less efficient code.
5353 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5355 * function.h (rtl_data): Add a dbr_scheduled_p field.
5356 * reorg.c (dbr_schedule): Set it.
5357 (gate_handle_delay_slots): Check it.
5358 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5359 (mips_reorg): Check flag_delayed_branch instead of
5360 mips_base_delayed_branch.
5361 (mips_override_options): Don't set mips_base_delayed_branch
5362 or flag_delayed_branch.
5364 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5366 PR rtl-optimization/38426.
5367 * ira.c (ira): Set current_function_is_leaf earlier.
5369 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5371 PR rtl-optimization/38722
5372 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5373 too early, only set a flag and modify after last possible
5376 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5379 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5380 * real.c (decimal_single_format): Correct values of emin and emax.
5381 (decimal_double_format): Ditto.
5382 (decimal_quad_format): Ditto.
5383 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5384 computation of DECnn_MIN and DECnn_MAX for corrected values of
5385 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5386 __DECnn_MIN__, and adjust its computation for the corrected value
5389 2009-01-06 Jan Hubicka <jh@suse.cz>
5392 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5394 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5396 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5397 Add Robert Clark to the list of testers.
5399 2009-01-06 Jan Hubicka <jh@suse.cz>
5400 Kai Tietz <kai.tietz@onevision.com>
5402 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5403 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5405 2009-01-06 Jan Hubicka <jh@suse.cz>
5406 Kai Tietz <kai.tietz@onevision.com>
5408 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5410 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5411 (ix86_nsaved_regs): Count only general purpose regs.
5412 (ix86_nsaved_sseregs): New.
5413 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5414 to 16 for w64; compute padding and size of sse reg save area.
5415 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5416 general purpose regs.
5417 (ix86_emit_save_sse_regs_using_mov): New.
5418 (ix86_expand_prologue): Save SSE regs if needed.
5419 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5420 (ix86_emit_restore_sse_regs_using_mov): New.
5421 (ix86_expand_epilogue): Save SSE regs if needed.
5423 2009-01-06 Jan Hubicka <jh@suse.cz>
5424 Kai Tietz <kai.tietz@onevision.com>
5426 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5427 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5428 functions when accumulate outgoing args is off.
5430 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5433 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5434 before using pseudos_have_intersected_live_ranges_p.
5436 * ira-int.h (ira_assert): Always define.
5438 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5440 AVX Programming Reference (December, 2008)
5441 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5442 (_mm256_permute2_pd): Likewise.
5443 (_mm_permute2_ps): Likewise.
5444 (_mm256_permute2_ps): Likewise.
5445 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5446 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5448 * config/i386/i386.c (ix86_builtins): Remove
5449 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5450 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5451 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5452 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5453 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5454 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5455 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5456 __builtin_ia32_vpermil2ps256.
5457 (ix86_init_mmx_sse_builtins): Updated.
5458 (ix86_expand_args_builtin): Likewise.
5460 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5462 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5463 long absolute calls when generating PA 2.0 code.
5465 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5467 PR rtl-optimization/38583
5468 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5470 * params.def (ira-max-conflict-table-size): New.
5472 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5474 * ira.h (ira_conflicts_p): New external definition.
5476 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5477 table. Report this. Return result of building.
5478 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5479 building conflict table.
5481 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5482 (ira_color): Use ira_conflicts_p.
5484 * global.c: Include ira.h.
5485 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5488 * Makefile.in (global.o): Add ira.h.
5490 * ira-build.c (mark_all_loops_for_removal,
5491 propagate_some_info_from_allocno): New.
5492 (remove_unnecessary_allocnos): Call
5493 propagate_some_info_from_allocno.
5494 (remove_low_level_allocnos): New.
5495 (remove_unnecessary_regions): Add parameter. Call
5496 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5497 parameter to remove_unnecessary_regions.
5498 (ira_build): Remove all regions but root if the conflict table was
5499 not built. Update conflict hard regs for allocnos crossing calls.
5501 * ira.c (ira_conflicts_p): New global.
5502 (ira): Define and use ira_conflicts_p.
5504 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5505 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5506 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5508 2009-01-06 Ben Elliston <bje@au.ibm.com>
5510 * gengtype-lex.l (YY_NO_INPUT): Define.
5512 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5515 * c-common.c (handle_vector_size_attribute): Also reject
5518 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5520 PR tree-optimization/38492
5521 * graphite.c (rename_map_elt, debug_rename_elt,
5522 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5523 rename_map_elt_info, eq_rename_map_elts,
5524 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5525 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5526 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5527 (sese_build_livein_liveouts): New.
5528 (new_sese, free_sese): New.
5529 (new_scop): Call new_sese.
5530 (free_scop): Call free_sese.
5531 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5532 (register_old_new_names): Renamed register_old_and_new_names.
5533 (register_scop_liveout_renames, add_loop_exit_phis,
5534 insert_loop_close_phis, struct igp,
5535 default_liveout_before_guard, add_guard_exit_phis,
5536 insert_guard_phis, copy_renames): New.
5537 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5538 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5539 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5540 (scop_adjust_phis_for_liveouts): New.
5541 (gloog): Call scop_adjust_phis_for_liveouts.
5543 * graphite.h (struct sese): Documented. Added fields liveout,
5545 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5546 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5547 (struct scop): Added field liveout_renames.
5548 (SCOP_LIVEOUT_RENAMES): New.
5550 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5552 PR tree-optimization/38510
5553 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5554 (translate_clast): Call recompute_all_dominators before
5556 (gloog): Call recompute_all_dominators before graphite_verify.
5558 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5559 Jan Sjodin <jan.sjodin@amd.com>
5561 PR tree-optimization/38500
5562 * graphite.c (create_sese_edges): Call fix_loop_structure after
5565 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5567 * config.gcc: Add m32r*-*-rtems*.
5568 * config/m32r/rtems.h: New file.
5570 2009-01-05 Ben Elliston <bje@au.ibm.com>
5572 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5573 (.po.pox): Likewise.
5574 (po/gcc.pot): Likewise.
5576 2009-01-04 David S. Miller <davem@davemloft.net>
5578 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5579 (STARTING_FRAME_OFFSET): Always set to zero.
5581 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5583 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5584 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5585 fixed-point types, and vectors of the same.
5587 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5589 * config/mips/sync.md (*mb_barrier): Rename to...
5590 (*memory_barrier): ...this.
5592 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5594 * doc/extend.texi (Function Attributes): Move @cindex after @item
5595 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5596 and put in alphabetical order. Fix 'target' name and put in order.
5597 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5600 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5602 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5603 (memory_barrier): Expand as unspec instead of unspec_volatile.
5604 Remove mem:BLK from insn operands. Use Pmode scratch register.
5605 (*memory_barrier): Define as unspec instead of unspec_volatile.
5606 Use (match_dup 0) as input operand.
5608 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5609 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5610 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5611 scratch register. Remove operand 1.
5612 (*stbar): Define as unspec instead of unspec_volatile.
5613 Use (match_dup 0) as input operand, remove (const_int 8).
5614 (*membar): Define as unspec instead of unspec_volatile.
5615 Use (match_dup 0) as input operand, remove input operand 2.
5617 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5618 (memory_barrier): Expand as unspec instead of unspec_volatile.
5619 Remove mem:BLK from insn operands. Use Pmode scratch register.
5620 (*memory_barrier): Define as unspec instead of unspec_volatile.
5621 Use (match_dup 0) as input operand.
5623 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5624 Remove mem:BLK from insn operands. Use Pmode scratch register.
5625 Set volatile flag on operand 0.
5626 (*memory_barrier): New insn pattern.
5628 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5630 (*memory_barrier): Use (match_dup 0) as input operand.
5632 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5633 Remove mem:BLK from insn operands. Use Pmode scratch register.
5634 Set volatile flag on operand 0.
5635 (*mb_internal): New insn pattern.
5637 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5639 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5642 * function.c (struct temp_slot): Move to the section of the file
5643 that deals with temp slots. Remove field 'address'.
5644 (temp_slot_address_table): New hash table of address -> temp slot.
5645 (struct temp_slot_address_entry): New struct, items for the table.
5646 (temp_slot_address_compute_hash, temp_slot_address_hash,
5647 temp_slot_address_eq, insert_temp_slot_address): Support functions
5649 (find_temp_slot_from_address): Rewrite to use the new hash table.
5650 (remove_unused_temp_slot_addresses): Remove addresses of temp
5651 slots that have been made available.
5652 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5653 worker function for remove_unused_temp_slot_addresses.
5654 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5655 Add the temp slot address to the address -> temp slot map.
5656 (update_temp_slot_address): Update via insert_temp_slot_address.
5657 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5658 (pop_temp_slots): Likewise.
5659 (init_temp_slots): Allocate the address -> temp slot map, or empty
5660 the map if it is already allocated.
5661 (prepare_function_start): Initialize temp slot processing.
5663 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5666 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5667 Calculate the size of all stack vars assuming no packing of stack
5668 vars will happen, replacing a quadratic algorithm with a linear one.
5670 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5673 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5676 2009-01-03 Diego Novillo <dnovillo@google.com>
5678 * doc/contrib.texi: Update contributions.
5680 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5683 * builtins.c (fold_builtin_memory_op): Give up if either operand
5684 is volatile. Set srctype or desttype to non-qualified version
5688 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5691 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5693 PR rtl-optimization/35805
5694 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5695 problem if fast dce is able to remove any instructions.
5696 * dce.c (dce_process_block): Fix dump message.
5698 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5701 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5703 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5706 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5707 * tree-pretty-print.c (op_code_prio): New function.
5708 (op_prio): No longer static. Use op_code_prio.
5709 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5710 Use op_prio and op_code_prio to determine if () should be
5711 printed around operand(s) or not.
5713 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5714 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5715 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5716 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5717 pp_character instead of pp_string for single letter printing.
5719 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5721 * doc/extend.texi: Fix '#pragma GCC option' typo.
5723 2009-01-02 Richard Guenther <rguenther@suse.de>
5725 * doc/install.texi (--enable-checking): Mention different
5727 (--enable-stage1-checking): Document.
5729 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5732 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5733 case to be an error.
5735 2009-01-02 Ben Elliston <bje@au.ibm.com>
5737 * config/fp-bit.h (pack_d): Constify argument.
5738 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5739 (isnan): Constify argument.
5743 (_fpadd_parts): Constify return type.
5744 (_fpmul_parts): Likewise.
5745 (_fpdiv_parts): Likewise.
5747 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5750 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5751 warn about overwriting initializer with side-effects or
5752 -Woverride-init if !IMPLICIT.
5753 (output_init_element): Likewise. Pass IMPLICIT down to
5755 (process_init_element): Add IMPLICIT argument. Pass it down
5756 to output_init_element.
5757 (push_init_element, pop_init_level, set_designator): Adjust
5758 process_init_element callers.
5759 (set_nonincremental_init, set_nonincremental_init_from_string):
5760 Adjust add_pending_init callers.
5761 (output_pending_init_elements): Adjust output_init_element callers.
5762 * c-tree.h (process_init_element): Adjust prototype.
5763 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5764 process_init_element callers.