1 2009-04-04 Jan Hubicka <jh@suse.cz>
3 * except.c (remove_eh_handler_and_replace): Break out from ...
4 (remove_eh_handler): ... here.
5 (bring_to_root): New function.
6 (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
7 handled ones, bring others to root of tree.
9 2009-04-04 Jan Hubicka <jh@suse.cz>
11 * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
12 (all_phis_safe_to_merge): New function.
13 (update_info): New structure.
14 (make_eh_edge_and_update_phi, update_eh_edges): New functions.
15 (cleanup_empty_eh): Update SSA if possible.
17 2009-04-04 Richard Guenther <rguenther@suse.de>
19 * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
20 * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
21 (append_vuse): Likewise.
23 2009-04-04 Jakub Jelinek <jakub@redhat.com>
25 * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
26 * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
27 instead of REG_UNSAVED for DW_CFA_undefined.
28 (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
29 (uw_update_context): If RA column is REG_UNDEFINED, mark it as
32 2009-04-04 Richard Earnshaw <rearnsha@arm.com>
35 * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
36 * testsuite/gcc.c-torture/execute/pr39501.c: New file.
37 * testsuite/gcc.c-torture/execute/pr39501.x: New file.
39 2009-04-04 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/8781
42 PR tree-optimization/37892
43 * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
44 * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
45 (valueize_refs): Call it for *& valueizations.
46 (shared_reference_ops_from_ref): Rename to ...
47 (valueize_shared_reference_ops_from_ref): ... this and valueize.
48 (shared_reference_ops_from_call): Rename to ...
49 (valueize_shared_reference_ops_from_call): ... this and valueize.
50 (vn_reference_lookup): Update.
51 (visit_reference_op_call): Likewise.
52 * tree-ssa-pre.c (phi_translate_1): Fold *&.
53 (eliminate): Value-replace the call address in call statements.
55 2009-04-04 Richard Guenther <rguenther@suse.de>
57 PR tree-optimization/39636
59 (forward_propagate_addr_into_variable_array_index): Check for
60 GIMPLE_ASSIGN before accessing the rhs code.
62 2009-04-03 Jason Merrill <jason@redhat.com>
64 * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
66 2009-04-03 Steve Ellcey <sje@cup.hp.com>
68 * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
69 truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
70 fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
71 floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
72 fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
73 smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
74 divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
75 umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
76 *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
77 *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
78 adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
79 smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
80 *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
81 *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
82 sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
83 Use fr_reg_or_fp01_operand instead of fr_register_operand
85 * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
86 recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
87 divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
89 2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
91 PR rtl-optimization/39607
92 PR rtl-optimization/39631
94 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
95 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
97 * ira-lives.c (process_bb_node_lives): Ditto.
98 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
99 instead of DF_LR_{OUT,IN}.
100 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
101 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
103 2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
105 * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
106 (execute_lower_omp): Always run but take the short way out if -fopenmp
108 (gate_lower_omp): Remove, forcing the pass manager to always run the
109 pass and always set PROP_gimple_lomp.
110 (pass_lower_omp): Remove gate function.
111 * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
112 PROP_trees. Instead, require it.
113 * ipa-cp.c (pass_ipa_cp): Likewise.
114 * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
115 (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
116 * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
119 2009-04-03 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/23940
123 PR tree-optimization/33237
126 PR tree-optimization/36201
127 PR tree-optimization/36230
128 PR tree-optimization/38049
129 PR tree-optimization/38207
130 PR tree-optimization/38230
131 PR tree-optimization/38301
132 PR tree-optimization/38585
134 PR tree-optimization/38985
135 PR tree-optimization/39299
136 * tree-ssa-structalias.h: Remove.
137 * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
138 (NULL_DEF_OPERAND_P): Make of type def_operand_p.
139 (struct vuse_element_d): Remove.
140 (struct vuse_vec_d): Likewise.
141 (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
142 VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
143 SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
144 VUSE_ELEMENT_VAR): Likewise.
145 (struct voptype_d): Likewise.
146 (NUM_VOP_FREE_BUCKETS): Likewise.
147 (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
148 (struct stmt_operands_d): Remove.
149 (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
150 VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
151 VDEF_NUM, VDEF_VECT): Likewise.
152 (copy_virtual_operands): Remove.
153 (operand_build_cmp): Likewise.
154 (create_ssa_artificial_load_stmt): Likewise.
155 (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
156 (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
157 vuse_index and mayuse_index members. Pack and move done and iter_type
158 members to the front.
159 (SSA_OP_VMAYUSE): Remove.
160 (SSA_OP_VIRTUAL_USES): Adjust.
161 (FOR_EACH_SSA_VDEF_OPERAND): Remove.
162 (unlink_stmt_vdef): Declare.
163 (add_to_addressable_set): Remove.
164 * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
165 (vrp_visit_stmt): Likewise.
166 * doc/tree-ssa.texi (Alias analysis): Update.
167 * doc/invoke.texi (max-aliased-vops): Remove docs.
168 (avg-aliased-vops): Likewise.
169 * tree-into-ssa.c (syms_to_rename): Remove.
170 (need_to_update_vops_p): Likewise.
171 (need_to_initialize_update_ssa_p): Rename to ...
172 (update_ssa_initialized_fn): ... this. Track function we are
174 (symbol_marked_for_renaming): Simplify.
175 (add_new_name_mapping): Do not set need_to_update_vops_p.
176 (dump_currdefs): Use SYMS_TO_RENAME.
177 (rewrite_update_stmt): Always walk all uses/defs.
178 (dump_update_ssa): Adjust.
179 (init_update_ssa): Take function argument. Track what we are
181 (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
182 (create_new_def_for): Initialize for cfun, assert we are initialized
184 (mark_sym_for_renaming): Simplify.
185 (mark_set_for_renaming): Do not initialize update-ssa.
186 (need_ssa_update_p): Simplify. Take function argument.
187 (name_mappings_registered_p): Assert we ask for the correct function.
188 (name_registered_for_update_p): Likewise.
189 (ssa_names_to_replace): Likewise.
190 (release_ssa_name_after_update_ssa): Likewise.
191 (update_ssa): Likewise. Use SYMS_TO_RENAME.
192 (dump_decl_set): Do not print a newline.
193 (debug_decl_set): Do it here.
194 (dump_update_ssa): And here.
195 * tree-ssa-loop-im.c (move_computations): Adjust.
196 (movement_possibility): Likewise.
197 (determine_max_movement): Likewise.
198 (gather_mem_refs_stmt): Likewise.
199 * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
201 * tree-complex.c (update_all_vops): Remove.
202 (expand_complex_move): Adjust.
203 * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
204 Simplify test for memory referencing statement. Exclude
205 non-invariant ADDR_EXPRs.
206 * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
207 * tree-loop-distribution.c (generate_memset_zero): Adjust.
208 (rdg_flag_uses): Likewise.
209 * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
211 (tree_optimize_tail_calls_1): Also split the
212 edge from the entry block if we have degenerate PHI nodes in
213 the first basic block.
214 * tree.c (init_ttree): Remove memory-tag related code.
215 (tree_code_size): Likewise.
216 (tree_node_structure): Likewise.
217 (build7_stat): Re-write to be build6_stat.
218 * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
220 (struct tree_memory_tag): Remove.
221 (struct tree_memory_partition_tag): Likewise.
222 (union tree_node): Adjust.
223 (build7): Re-write to be build6.
224 * tree-pass.h (pass_reset_cc_flags): Remove.
225 (TODO_update_address_taken): New flag.
226 (pass_simple_dse): Remove.
227 * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
228 * params.h (MAX_ALIASED_VOPS): Remove.
229 (AVG_ALIASED_VOPS): Likewise.
230 * omp-low.c (expand_omp_taskreg): Update SSA form.
231 * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
232 aliases the lhs in a copy stmt.
233 * tree-ssa-dse.c (struct address_walk_data): Remove.
234 (memory_ssa_name_same): Likewise.
235 (memory_address_same): Likewise.
236 (get_kill_of_stmt_lhs): Likewise.
237 (dse_possible_dead_store_p): Simplify, use the oracle. Handle
238 unused stores. Look through PHI nodes into post-dominated regions.
239 (dse_optimize_stmt): Simplify. Properly remove stores.
240 (tree_ssa_dse): Compute dominators.
241 (execute_simple_dse): Remove.
242 (pass_simple_dse): Likewise.
243 * ipa-reference.c (scan_stmt_for_static_refs): Open-code
244 gimple_loaded_syms and gimple_stored_syms computation.
245 * toplev.c (dump_memory_report): Dump alias and pta stats.
246 * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
247 (vn_reference_eq): Likewise.
248 (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
249 copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
250 valueize_vuses): Remove.
251 (get_def_ref_stmt_vuses): Simplify. Rename to ...
252 (get_def_ref_stmt_vuse): ... this.
253 (vn_reference_lookup_2): New function.
254 (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
255 walking equivalent vuses. Simplify.
256 (vn_reference_lookup): Likewise.
257 (vn_reference_insert): Likewise.
258 (vn_reference_insert_pieces): Likewise.
259 (visit_reference_op_call): Simplify.
260 (visit_reference_op_load): Likewise.
261 (visit_reference_op_store): Likewise.
262 (init_scc_vn): Remove shared_lookup_vuses initialization.
263 (free_scc_vn): Remove shared_lookup_vuses freeing.
264 (sort_vuses, sort_vuses_heap): Remove.
265 (get_ref_from_reference_ops): Export.
266 * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
267 vector with single vuse pointer.
268 (vn_reference_lookup_pieces, vn_reference_lookup,
269 vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
270 (shared_vuses_from_stmt): Remove.
271 (get_ref_from_reference_ops): Declare.
272 * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
273 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
274 memory-tag related code.
275 * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
276 (likely_value): Add comment, skip static-chain of call statements.
277 (surely_varying_stmt_p): Adjust.
278 (gimplify_and_update_call_from_tree): Likewise.
279 (execute_fold_all_builtins): Do not rebuild alias info.
280 (gimplify_and_update_call_from_tree): Properly update VOPs.
281 * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
282 (copy_ref_info): Remove memory-tag related code.
283 * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
284 * ipa-pure-const.c (check_decl): Remove memory-tag related code.
285 (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
287 * tree-ssa-dom.c (gimple_p): Remove typedef.
288 (eliminate_redundant_computations): Adjust.
289 (record_equivalences_from_stmt): Likewise.
290 (avail_expr_hash): Likewise.
291 (avail_expr_eq): Likewise.
292 * tree-ssa-propagate.c (update_call_from_tree): Properly
294 (stmt_makes_single_load): Likewise.
295 (stmt_makes_single_store): Likewise.
296 * tree-ssa-alias.c: Rewrite completely.
297 (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
298 debug_mem_sym_stats, dump_mem_sym_stats_for_var,
299 debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
300 delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
301 dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
302 Remove public functions.
303 (pass_reset_cc_flags): Remove.
304 (pass_build_alias): Move ...
305 * tree-ssa-structalias.c (pass_build_alias): ... here.
306 * tree-ssa-alias.c (may_be_aliased): Move ...
307 * tree-flow-inline.h (may_be_aliased): ... here.
308 tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
309 count_uses_and_derefs): Move ...
310 * gimple.c: ... here.
311 * gimple.h (count_uses_and_derefs): Declare.
312 * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
313 ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
314 same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
315 indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
316 ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
317 call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
318 get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
320 * tree-dfa.c (refs_may_alias_p): Move ...
321 * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
322 * tree-ssa-alias.h: New file.
323 * tree-ssa-sink.c (is_hidden_global_store): Adjust.
324 (statement_sink_location): Likewise.
325 * opts.c (decode_options): Do not adjust max-aliased-vops or
326 avg-aliased-vops values.
327 * timevar.def (TV_TREE_MAY_ALIAS): Remove.
328 (TV_CALL_CLOBBER): Likewise.
329 (TV_FLOW_SENSITIVE): Likewise.
330 (TV_FLOW_INSENSITIVE): Likewise.
331 (TV_MEMORY_PARTITIONING): Likewise.
332 (TV_ALIAS_STMT_WALK): New timevar.
333 * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
334 * tree-ssa-address.c (create_mem_ref_raw): Use build6.
335 (get_address_description): Remove memory-tag related code.
336 * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
337 * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
338 * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
339 and immediate uses in statements. Document.
340 * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
341 (dump_symbols): Remove.
342 (dump_gimple_mem_ops): Do not dump loaded or stored syms.
343 * alias.c (get_deref_alias_set): New function split out from ...
344 (get_alias_set): ... here.
345 * alias.h (get_deref_alias_set): Declare.
346 * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
347 type parameter. Remove restrict pointer handling. Create a
348 ref-all pointer in case type-based alias sets do not conflict.
349 (vect_analyze_data_refs): Remove SMT related code.
350 * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
351 (vectorizable_load): Likewise.
352 * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
353 (DR_SYMBOL_TAG, DR_VOPS): Remove.
354 * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
355 Ignore vops and SMTs.
356 (dr_analyze_alias): Likewise..
357 (free_data_ref): Likewise.
358 (create_data_ref): Likewise.
359 (analyze_all_data_dependences): Likewise.
360 (get_references_in_stmt): Adjust.
361 * tree-flow-inline.h (gimple_aliases_computed_p,
362 gimple_addressable_vars, gimple_call_clobbered_vars,
363 gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
364 factoring_name_p, mark_call_clobbered, clear_call_clobbered,
365 compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
366 gimple_mem_ref_stats): Remove.
367 (gimple_vop): New function.
368 (op_iter_next_use): Remove vuses and mayuses cases.
369 (op_iter_next_def): Remove vdefs case.
370 (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
371 (clear_and_done_ssa_iter): Do not set removed fields.
372 (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
373 Assert we are not iterating over vuses or vdefs if not also
374 iterating over uses or defs.
375 (op_iter_init_use): Likewise.
376 (op_iter_init_def): Likewise.
377 (op_iter_next_vdef): Remove.
378 (op_iter_next_mustdef): Likewise.
379 (op_iter_init_vdef): Likewise.
380 (compare_ssa_operands_equal): Likewise.
381 (link_use_stmts_after): Handle vuse operand.
382 (is_call_used): Use is_call_clobbered.
383 (is_call_clobbered): Global variables are always call clobbered,
384 query the call-clobbers bitmap.
385 (mark_call_clobbered): Ignore global variables.
386 (clear_call_clobbered): Likewise.
387 * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
388 virtual operands sanity check.
389 * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
391 (TARGET_MEM_REF): Remove TMR_TAG operand.
392 * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
393 Remove call-clobber related code.
394 (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
395 (dump_variable): Do not dump SMTs, memory stats, may-aliases or
396 partitions or escape reason.
397 (get_single_def_stmt, get_single_def_stmt_from_phi,
398 get_single_def_stmt_with_phi): Remove.
399 (dump_referenced_vars): Tidy.
400 (get_ref_base_and_extent): Allow bare decls.
401 (collect_dfa_stats): Adjust.
402 * graphite.c (rename_variables_in_stmt): Adjust.
403 (graphite_copy_stmts_from_block): Likewise.
404 (translate_clast): Likewise.
405 * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
407 (translate_vuse_through_block): Use the oracle.
408 (phi_translate_1): Adjust.
409 (value_dies_in_block_x): Use the oracle. Cache the outcome
411 (valid_in_sets): Check if the VUSE for
412 a REFERENCE is available.
413 (eliminate): Do not remove stmts during elimination,
414 instead queue and remove them afterwards.
415 (do_pre): Do not rebuild alias info.
416 (pass_pre): Run TODO_rebuild_alias before PRE.
417 * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
418 * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
419 (mark_all_v_defs_stmt): Remove.
420 (mark_all_v_defs_seq): Adjust.
421 (sra_replace): Likewise.
422 (scalarize_use): Likewise.
423 (scalarize_copy): Likewise.
424 (scalarize_init): Likewise.
425 (scalarize_ldst): Likewise.
427 (tree_sra): Do not rebuild alias info.
428 (tree_sra_early): Adjust.
429 (pass_sra): Run TODO_update_address_taken before SRA.
430 * tree-predcom.c (set_alias_info): Remove.
431 (prepare_initializers_chain): Do not call it.
432 (mark_virtual_ops_for_renaming): Adjust.
433 (mark_virtual_ops_for_renaming_list): Remove.
434 (initialize_root_vars): Adjust.
435 (initialize_root_vars_lm): Likewise.
436 (prepare_initializers_chain): Likewise.
437 * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
438 (may_propagate_copy_into_stmt): Likewise.
439 (merge_alias_info): Do nothing for now.
440 (propagate_tree_value_into_stmt): Adjust.
441 (stmt_may_generate_copy): Likewise.
442 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
443 not mark symbols for renaming.
444 (forward_propagate_addr_expr): Match up push/pop_stmt_changes
445 with the same statement, make sure to update the new pointed-to one.
446 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
447 call statements, do not mark symbols for renaming.
448 (mark_operand_necessary): Dump something.
449 (ref_may_be_aliased): New function.
450 (mark_aliased_reaching_defs_necessary_1): New helper function.
451 (mark_aliased_reaching_defs_necessary): Likewise.
452 (mark_all_reaching_defs_necessary_1): Likewise.
453 (mark_all_reaching_defs_necessary): Likewise.
454 (propagate_necessity): Do not process virtual PHIs. For
455 non-aliased loads mark all reaching definitions as necessary.
456 For aliased loads and stores mark the immediate dominating
457 aliased clobbers as necessary.
458 (visited): New global static.
459 (perform_tree_ssa_dce): Free visited bitmap after propagating
461 (remove_dead_phis): Perform simple dead virtual PHI removal.
462 (remove_dead_stmt): Properly unlink virtual operands when
464 (eliminate_unnecessary_stmts): Schedule PHI removal after
466 * tree-ssa-ter.c (is_replaceable_p): Adjust.
467 (process_replaceable): Likewise.
468 (find_replaceable_in_bb): Likewise.
469 * tree-ssa.c (verify_ssa_name): Verify all VOPs are
470 based on the single gimple vop.
471 (verify_flow_insensitive_alias_info): Remove.
472 (verify_flow_sensitive_alias_info): Likewise.
473 (verify_call_clobbering): Likewise.
474 (verify_memory_partitions): Likewise.
475 (verify_alias_info): Likewise.
476 (verify_ssa): Adjust..
477 (execute_update_addresses_taken): Export. Update SSA
478 manually. Optimize only when optimizing. Use a local bitmap.
479 (pass_update_address_taken): Remove TODO_update_ssa, add
481 (pass_update_address_taken): Just use TODO_update_address_taken.
482 (init_tree_ssa): Do not initialize addressable_vars.
483 (verify_ssa): Verify new VUSE / VDEF properties.
484 Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
485 Do not call verify_alias_info.
486 (delete_tree_ssa): Clear the VUSE, VDEF operands.
487 Do not free the loaded and stored syms bitmaps. Reset the escaped
488 and callused solutions. Do not free addressable_vars.
489 Remove memory-tag related code.
490 (warn_uninitialized_var): Aliases are always available.
491 * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
492 * lambda-code.c (can_put_in_inner_loop): Adjust.
493 (can_put_after_inner_loop): Likewise.
494 (perfect_nestify): Likewise.
495 * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
496 (vect_gen_widened_results_half): Remove CALL_EXPR handling.
497 (vectorizable_conversion): Do not mark symbols for renaming.
498 * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
499 (expand_call_inline): Unlink the calls virtual operands before
501 (tree_function_versioning): Do not call update_ssa if we are not
502 updating clones. Simplify.
503 * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
504 (propagate_with_phi): Likewise..
505 * tree-outof-ssa.c (create_temp): Remove memory tag and call
506 clobber code. Assert we are not aliased or global.
507 * tree-flow.h: Include tree-ssa-alias.h
508 (enum escape_type): Remove.
509 (struct mem_sym_stats_d): Likewise.
510 (struct mem_ref_stats_d): Likewise.
511 (struct gimple_df): Add vop member. Remove global_var,
512 call_clobbered_vars, call_used_vars, addressable_vars,
513 aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
514 escaped and callused members.
515 (struct ptr_info_def): Remove all members, add points-to solution
517 (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
518 call_clobbered, escape_mask, mpt and symbol_mem_tag members.
519 * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
520 (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
521 (tree-ssa-alias.o): Likewise.
522 (toplev.o): Add tree-ssa-alias.h
523 (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
524 * gimple.c (gimple_set_bb): Fix off-by-one error.
525 (is_gimple_reg): Do not handle memory tags.
526 (gimple_copy): Also copy virtual operands.
527 Delay updating the statement. Do not reset loaded and stored syms.
528 (gimple_set_stored_syms): Remove.
529 (gimple_set_loaded_syms): Likewise.
530 (gimple_call_copy_skip_args): Copy the virtual operands
531 and mark the new statement modified.
532 * tree-ssa-structalias.c (may_alias_p): Remove.
533 (set_uids_in_ptset): Take the alias set to prune with as
534 parameter. Fold in the alias test of may_alias_p.
535 (compute_points_to_sets): Compute whether a ptr is dereferenced
537 (process_constraint): Deal with &ANYTHING on the lhs, reject all
538 other ADDRESSOF constraints on the lhs.
539 (get_constraint_for_component_ref): Assert that we don't get
540 ADDRESSOF constraints from the base of the reference.
541 Properly generate UNKNOWN_OFFSET for DEREF if needed.
542 (struct variable_info): Remove collapsed_to member.
543 (get_varinfo_fc): Remove.
544 (new_var_info): Do not set collapsed_to.
545 (dump_constraint): Do not follow cycles.
546 (dump_constraint_graph): Likewise.
547 (build_pred_graph): Likewise.
548 (build_succ_graph): Likewise.
549 (rewrite_constraints): Likewise.
550 (do_simple_structure_copy): Remove.
551 (do_rhs_deref_structure_copy): Remove.
552 (do_lhs_deref_structure_copy): Remove.
553 (collapse_rest_of_var): Remove.
554 (do_structure_copy): Re-implement.
555 (pta_stats): New global variable.
556 (dump_pta_stats): New function.
557 (struct constraint_expr): Make offset signed.
558 (UNKNOWN_OFFSET): Define special value.
559 (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
560 (solution_set_expand): New helper function split out from ...
561 (do_sd_constraint): ... here.
562 (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
563 (do_ds_constraint): Likewise.
564 (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
565 and CALLUSED = *CALLUSED.
566 (set_union_with_increment): Make inc argument signed.
568 (get_constraint_for_ptr_offset): Handle unknown and negative
570 (first_vi_for_offset): Handle offsets before start. Bail
571 out early for offsets beyond the variable extent.
572 (first_or_preceding_vi_for_offset): New function.
573 (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
574 Together with ESCAPED = *ESCAPED this properly computes reachability.
575 (find_what_var_points_to): New function.
576 (find_what_p_points_to): Implement in terms of find_what_var_points_to.
577 (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
578 pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
579 pt_solutions_intersect): New functions.
580 (compute_call_used_vars): Remove.
581 (compute_may_aliases): New main entry into PTA computation.
582 * gimple.h (gimple_p): New typedef.
583 (struct gimple_statement_base): Remove references_memory_p.
584 (struct gimple_statement_with_memory_ops_base): Remove
585 vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
587 (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
588 gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
589 gimple_set_references_memory): Remove.
590 (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
591 gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
593 * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
594 (verify_expr): Allow RESULT_DECL.
595 (gimple_duplicate_bb): Do not copy virtual operands.
596 (gimple_duplicate_sese_region): Adjust.
597 (gimple_duplicate_sese_tail): Likewise.
598 (mark_virtual_ops_in_region): Remove.
599 (move_sese_region_to_fn): Do not call it.
600 * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
602 (execute_function_todo): Handle TODO_update_address_taken,
603 call execute_update_addresses_taken for TODO_rebuild_alias.
604 (execute_todo): Adjust.
605 (execute_one_pass): Init dump files early.
606 * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
608 (create_general_new_stmt): Clear vops.
609 * tree-ssa-reassoc.c (get_rank): Adjust.
610 * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
611 symbols for renaming.
612 * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
613 (PARAM_AVG_ALIASED_VOPS): Likewise.
614 * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
615 (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
616 * tree-ssa-operands.c: Simplify for new virtual operand
618 (operand_build_cmp, copy_virtual_operands,
619 create_ssa_artificial_load_stmt, add_to_addressable_set,
620 gimple_add_to_addresses_taken): Remove public functions.
621 (unlink_stmt_vdef): New function.
623 2009-04-03 Alan Modra <amodra@bigpond.net.au>
625 * config.gcc (powerpc-*-linux*): Merge variants.
627 2009-04-02 Chao-ying Fu <fu@mips.com>
628 James Grosbach <james.grosbach@microchip.com>
630 * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
631 num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
633 (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
634 keep_interrupts_masked_p, use_debug_exception_return_p.
635 (mips_attribute_table): Add interrupt, use_shadow_register_set,
636 keep_interrupts_masked, use_debug_exception_return.
637 (mips_interrupt_type_p, mips_use_shadow_register_set_p,
638 mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
640 (mips_function_ok_for_sibcall): Return false for interrupt handlers.
641 (mips_print_operand): Process COP0 registers to print $0 .. $31
642 correctly for GAS to process.
643 (mips_interrupt_extra_call_saved_reg_p): New function.
644 (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
646 (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
647 (mips_compute_frame_info): Add supports for interrupt context that
648 includes doubleword accumulators and COP0 registers.
649 (mips_for_each_saved_acc): New function.
650 (mips_for_each_saved_gpr_and_fpr): Change the function name from
651 mips_for_each_saved_reg.
652 (mips_save_reg): Save accumulators.
653 (mips_kernel_reg_p): A new for_each_rtx callback.
654 (mips_expand_prologue): Support interrupt handlers.
655 (mips_restore_reg): Restore accumulators.
656 (mips_expand_epilogue): Support interrupt handlers.
657 (mips_can_use_return_insn): Return false for interrupt handlers.
658 (mips_epilogue_uses): New function.
659 * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
660 UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
661 (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
662 cop0_move): New instructions.
663 * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
664 * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
666 (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
668 (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
669 (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
670 interrupt handlers, we use K0 as the temporary register.
671 (EPILOGUE_USES): Change to a function call.
672 * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
673 handlers, we use K0 as the temporary register.
675 * doc/extend.texi (Function Attributes): Document interrupt,
676 use_shadow_register_set, keep_interrupts_masked,
677 use_debug_exception_return for MIPS attributes.
679 2009-04-03 Alan Modra <amodra@bigpond.net.au>
681 * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
682 Remove a number of t-files from tmake_file.
683 * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
684 * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
685 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
686 target_prototype, not TARGET_PROTOTYPE.
687 (LINK_OS_GNU_SPEC): Define.
688 * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
689 and darwin-ldoubdle.c.
691 2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
694 * gcc.c (save_temps_flag): Add support for -save-temps=obj.
695 (cpp_options): Ditto.
696 (default_compilers): Ditto.
697 (display_help): Ditto.
698 (process_command): Ditto.
700 (set_input): Use lbasename instead of duplicate code.
701 (save_temps_prefix): New static for -save-temps=obj.
702 (save_temps_length): Ditto.
704 * doc/invoke.texi (-save-temps=obj): Document new variant to
707 2009-04-02 Jeff Law <law@redhat.com>
709 * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
712 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
714 * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
715 * configure: Regenerated.
717 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
719 * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
720 share the argument list.
722 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
726 2009-02-12 Diego Novillo <dnovillo@google.com>
728 * varpool.c (debug_varpool): New.
729 * cgraph.h (debug_varpool): Declare.
731 2009-04-02 Jan Hubicka <jh@suse.cz>
733 * passes.c (init_optimization_passes): Remove two copies of ehcleanup
736 2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
738 * config/i386/i386.c (ix86_abi): Move initialization to ...
739 (override_options): Here.
741 2009-04-02 Christian Bruel <christian.bruel@st.com>
743 * config/sh/sh.c (sh_dwarf_register_span): New function.
744 (TARGET_DWARF_REGISTER_SPAN): Define.
745 * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
747 2009-04-02 Ira Rosen <irar@il.ibm.com>
749 PR tree-optimization/39595
750 * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
751 interleaved loads group is not greater than the SLP group size.
753 2009-04-02 Rafael Avila de Espindola <espindola@google.com>
755 * builtins.c (is_builtin_name): New.
756 (called_as_built_in): Use is_builtin_name.
757 * tree.h (is_builtin_name): New.
758 * varasm.c (incorporeal_function_p): Use is_builtin_name
760 2009-04-02 Andrew Stubbs <ams@codesourcery.com>
762 * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
764 2009-04-02 Dodji Seketeli <dodji@redhat.com>
767 * c-decl.c: (clone_underlying_type): Move this ...
768 * c-common.c (set_underlying_type): ... here.
769 Also, make sure the function properly sets TYPE_STUB_DECL() on
770 the newly created typedef variant type.
771 * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
772 * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
774 2009-04-02 Richard Guenther <rguenther@suse.de>
776 PR tree-optimization/37221
777 * tree-flow.h (degenerate_phi_result): Declare.
778 * tree-ssa-dom.c (degenerate_phi_result): Export.
779 * tree-scalar-evolution.c (analyze_initial_condition): If
780 the initial condition is defined by a degenerate PHI node
781 use the degenerate value.
783 2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
785 PR rtl-optimization/39588
786 * combine.c (merge_outer_ops): Do not set the constant when this
788 (simplify_shift_const_1): Do not modify it either in this case.
790 2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
792 * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
793 tuning is deprecated if -mtune value is set to an Itanium1 variant.
795 2009-04-01 Janis Johnson <janis187@us.ibm.com>
798 * c-lex.c (interpret_float): Default (no suffix) is double.
800 2009-04-1 Xinliang David Li <davidxl@google.com>
802 * config/i386/i386.c (legitimate_constant_p): Recognize
803 all one vector constant.
805 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
807 * gcc/config/vax/vax.c: Add #includes to silence warnings.
808 Change #include order to silence two warnings.
810 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
812 * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
813 (ASM_SPEC): Pass -k to the assembler for PIC code.
815 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
817 * gcc/config.gcc: Add vax-*-linux* to the switch.
818 * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
819 TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
821 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
823 * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
824 Use predicate macros instead of GET_CODE() == foo.
825 * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
826 ashlsi3, rotrsi3, <unnamed>): Likewise.
828 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
830 * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
831 jbbccihi, jbbccisi): Remova trailing whitespace.
832 * gcc/config/vax/constraints.md: Likewise.
833 * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
834 * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
835 * gcc/config/vax/predicates.md: Likewise.
836 * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
837 vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
838 * gcc/config/vax/vax.h: Likewise.
839 * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
841 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
843 * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
844 (indirectable_address_p, adjacent_operands_p): Add spaces around
846 * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
848 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
850 * gcc/config/vax/vax.c (legitimate_constant_address_p,
851 legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
852 index_term_p, reg_plus_index_p, legitimate_address_p,
853 vax_mode_dependent_address_p): Update comments to match functions
854 modified by the recent int->bool conversion.
856 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
858 * gcc/config/vax/builtins.md: Update copyright message.
859 * gcc/config/vax/constraints.md: Likewise.
860 * gcc/config/vax/netbsd-elf.h: Likewise.
861 * gcc/config/vax/predicates.md: Likewise.
862 * gcc/config/vax/vax-protos.h: Likewise.
863 * gcc/config/vax/vax.c: Likewise.
864 * gcc/config/vax/vax.h: Likewise.
865 * gcc/config/vax/vax.md: Likewise.
866 * gcc/config/vax/vax.opt: Likewise.
868 2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
870 * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
871 sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
872 * gcc/config/vax/constraints.md (B, R): Likewise.
873 * gcc/config/vax/predicates.md (external_memory_operand,
874 nonimmediate_addsub_di_operand): Likewise.
875 * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
876 * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
877 untyped_call): Likewise.
879 2009-04-01 Matt Thomas <matt@3am-software.com>
881 * config/vax/predicates.md: New file. (symbolic_operand,
882 local_symbolic_operand, external_symbolic_operand,
883 external_const_operand, nonsymbolic_operand, external_memory_operand,
884 indirect_memory_operand, indexed_memory_operand,
885 illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
886 nonimmediate_addsub_di_operand, general_addsub_di_operand): New
888 * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
889 S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
890 * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
891 sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
892 sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
893 * config/vax/vax.opt (mqmath): Add option.
894 * config/vax/vax.md (isfx): Extend with DI.
895 (VAXintQH, VAXintQHSD): Define.
896 (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
897 mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
898 and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
899 one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
900 (movdi): Update constraints and use vax_output_int_move().
901 (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
902 movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
903 pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
905 (mov<mode>): Extend accepted operand types.
906 (subdi3_old): Rename from subdi3, change update constraints and use
907 a new implementation.
908 * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
909 (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
910 MOVE_RATIO, CLEAR_RATIO): Define.
911 (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
912 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
913 (PRINT_OPERAND): Redefine using a function instead of inlined code.
914 * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
915 (split_quadword_operands): Make static and really allow variable
917 (print_operand_address): Update for PIC generation.
918 (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
919 indexable_address_p, fixup_mathdi_operand,
920 vax_expand_addsub_di_operands, adjacent_operands_p): New.
921 (vax_float_literal, legitimate_constant_p,
922 indirectable_constant_address_p, index_term_p,
923 reg_plus_index_p): Return bool instead of int.
924 (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
926 (vax_output_int_move, vax_output_int_add): Extend to allow PIC
928 (vax_output_conditional_branch): Indent.
929 (legitimate_constant_address_p, indirectable_constant_address_p,
930 indirectable_address_p, nonindexed_address_p, legitimate_address_p,
931 vax_mode_dependent_address_p): Return bool instead of int, update for
933 * config/vax/vax-protos.h (legitimate_constant_address_p,
934 legitimate_constant_p, legitimate_address_p,
935 vax_mode_dependent_address_p): Change declaration to bool.
936 (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
937 vax_expand_addsub_di_operands, vax_output_int_subtract,
938 vax_output_movmemsi): Declare.
939 (split_quadword_operands, vax_float_literal): Delete declaration.
940 * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
941 * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
942 VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
943 ASM_OUTPUT_DWARF_PCREL): Define.
944 (ASM_SPEC): Change definition to allow PIC generation.
946 2009-04-01 Jakub Jelinek <jakub@redhat.com>
949 * config/rs6000/rs6000.md (andsi3_internal5_nomc,
950 anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
951 (booldi3_internal3): Use boolean_or_operator instead of
954 2009-04-01 Joseph Myers <joseph@codesourcery.com>
957 * c-decl.c (grokdeclarator): Pedwarn for file-scope array
958 declarator whose size is not an integer constant expression but
959 folds to an integer constant, then treat it as a constant
962 2009-04-01 Richard Guenther <rguenther@suse.de>
964 * fold-const.c (fold_plusminus_mult_expr): Do not fold
965 i * 4 + 2 to (i * 2 + 1) * 2.
967 2009-04-01 Jakub Jelinek <jakub@redhat.com>
970 * c-parser.c (c_parser_asm_statement): Skip until close paren and
971 return if c_parser_asm_string_literal returned NULL.
973 2009-04-01 Nick Clifton <nickc@redhat.com>
975 * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
977 * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
978 * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
979 other typedefs to avoid conflicts with libgcc2.c. Define labels
980 to gain 16-bit bit-manipulation functions from libgcc2.c and then
982 * config/m32c/m32c-lib2-trapv.c: New file. Define labels
983 to gain 16-bit trapping arithmetic functions from libgcc2.c and
986 2009-04-01 Rafael Avila de Espindola <espindola@google.com>
988 * varasm.c (default_function_rodata_section): Declare DOT as const char*.
990 2009-04-01 Kai Tietz <kai.tietz@onevision.com>
991 Andrey Galkin <agalkin@hypercom.com>
994 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
995 Make object_name unique for each process.
997 2009-04-01 Jakub Jelinek <jakub@redhat.com>
1000 * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1001 addressable variables in the parallel that could go out of scope while
1002 running queued tasks.
1004 2009-04-01 Anatoly Sokolov <aesok@post.ru>
1006 * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1007 (CASE_VALUES_THRESHOLD): Redefine.
1008 * config/avr/avr.c (avr_override_options): Remove initialization of
1009 avr_case_values_threshold variable.
1010 (avr_case_values_threshold): Remove variable. Add new function.
1011 * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1012 * config/avr/avr.opt (mno-tablejump): Remove option.
1013 * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1015 2009-04-01 DJ Delorie <dj@redhat.com>
1017 * varasm.c (default_function_rodata_section): Don't assume
1018 anything about where the first '.' in the section name is.
1020 2009-04-01 Alan Modra <amodra@bigpond.net.au>
1022 * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1023 rs6000_emit_stack_tie.
1025 2009-03-31 Ian Lance Taylor <iant@google.com>
1027 * tree-eh.c (tree_remove_unreachable_handlers): Compare
1028 gimple_code with GIMPLE_RESX, not RESX.
1030 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1032 * c-common.c (c_get_ident): New.
1033 (c_common_nodes_and_builtins): Call it for type names that may be
1036 2009-04-01 Ben Elliston <bje@au.ibm.com>
1038 * config/rs6000/sysv4.opt (msdata): Improve option description.
1040 2009-03-31 Steve Ellcey <sje@cup.hp.com>
1042 * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1043 (divdf3_internal_lat): Remove.
1044 (divxf3_internal_lat): Remove.
1045 (divxf3_internal_thr): Remove.
1046 (divxf): Use divxf3_internal.
1047 * config/ia64/div.md (divsf3_internal_lat): New.
1048 (divdf3_internal_lat): New.
1049 (divxf3_internal): New.
1051 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1054 * Makefile.in (USE_GCC_STDINT): Define.
1055 (stmp-int-hdrs): Install stdint.h if applicable.
1056 * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1058 (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1059 (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1060 UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1061 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1062 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1063 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1064 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1065 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1066 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1067 (c_common_nodes_and_builtins): Initialize
1068 underlying_wchar_type_node. Do not initialize
1069 signed_wchar_type_node or unsigned_wchar_type_node. Initialize
1070 nodes for new types.
1071 (c_stddef_cpp_builtins): Define macros for new types.
1072 * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1074 (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1075 CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1076 CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1077 CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1078 CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1079 CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1080 CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1081 CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1082 CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1083 (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1084 (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1085 int16_type_node, int32_type_node, int64_type_node,
1086 uint8_type_node, uint16_type_node, c_uint32_type_node,
1087 c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1088 int_least32_type_node, int_least64_type_node,
1089 uint_least8_type_node, uint_least16_type_node,
1090 uint_least32_type_node, uint_least64_type_node,
1091 int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1092 int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1093 uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1094 uintptr_type_node): Define.
1095 * c-cppbuiltin.c (builtin_define_constants,
1096 builtin_define_type_minmax): New.
1097 (builtin_define_stdint_macros): Define more macros.
1098 (c_cpp_builtins): Define more limit macros.
1100 (builtin_define_type_max): Define in terms of
1101 builtin_define_type_minmax. Remove is_long parameter. All
1103 * config.gcc (use_gcc_stdint): Define.
1104 (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1105 Add newlib-stdint.h for generic targets.
1106 * config/glibc-stdint.h, config/newlib-stdint.h,
1107 ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1108 * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1109 * config/score/score.h (UINTPTR_TYPE): Define.
1110 * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1111 INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1112 UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1113 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1114 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1115 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1116 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1117 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1118 * config/spu/spu.h (STDINT_LONG32): Define.
1119 * configure.ac (use_gcc_stdint): Substitute.
1120 * configure: Regenerate.
1121 * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1122 __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1123 __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1124 __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1125 __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1126 __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1127 __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1128 __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1129 __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1130 __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1131 __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1132 __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1133 __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1134 __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1135 __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1136 __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1137 __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1138 __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1139 __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1140 __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1141 __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1142 * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1143 INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1144 INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1145 INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1146 UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1147 INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1148 UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1149 UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1151 2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
1153 * loop-iv.c (suitable_set_for_replacement): Renamed from
1154 simplify_using_assignment; changed to return bool and to accept new
1155 args DEST and SRC. Return true iff we find a source/destination pair
1156 that can be used to make a replacement, and fill SRC and DEST if so.
1157 Remove arg ALTERED. Don't deal with altered regs here. All callers
1159 (simplify_using_initial_values): Deal with altered regs here and track
1160 more precisely the effect they have on the validity of our expression.
1162 * loop-iv.c (simplify_using_condition): A condition of the form
1163 (EQ REG CONST) can be used to simply make a substitution.
1164 (simplify_using_initial_values): Keep track of conditions we have seen
1165 and keep using them to simplify new expressions, while applying the
1166 same substitutions to them as to the expression.
1168 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1169 (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1172 * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
1173 changed. Use this when trying to improve the upper bound.
1174 Generate the comparison by using simplify_gen_relational.
1176 * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1178 * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1180 (simplify_using_assignment, simplify_using_initial_values): Call
1181 replace_in_expr to make replacements. Call replace_single_def_regs
1182 once on the initial version of the expression.
1184 2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1187 * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1189 2009-03-31 Richard Guenther <rguenther@suse.de>
1192 * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1193 equality comparisons. Fold C - X CMP X if C % 2 == 1.
1195 2009-03-31 Richard Guenther <rguenther@suse.de>
1197 * tree.h (div_if_zero_remainder): Declare.
1198 * fold-const.c (div_if_zero_remainder): Export.
1199 * tree-ssa-forwprop.c
1200 (forward_propagate_addr_into_variable_array_index): Handle
1201 constant array index addition outside of the variable index.
1203 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1206 * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1207 define_splits, floatunssi<mode>2): Require x87 conversions from
1208 DImode to be permitted.
1210 2009-03-31 Joseph Myers <joseph@codesourcery.com>
1212 PR preprocessor/15638
1213 * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1215 2009-03-31 Richard Guenther <rguenther@suse.de>
1219 * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1220 (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1221 * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1222 a separate statement.
1223 * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1224 (lookup_tmp_var): Likewise.
1225 (is_gimple_formal_tmp_or_call_rhs): Remove.
1226 (is_gimple_reg_or_call_rhs): Rename to ...
1227 (is_gimple_reg_rhs_or_call): ... this.
1228 (is_gimple_mem_or_call_rhs): Rename to ...
1229 (is_gimple_mem_rhs_or_call): ... this.
1230 (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
1231 DECL_GIMPLE_REG_P only if is_formal is true.
1232 (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
1233 for non-proper post-modify expression gimplification.
1234 (gimplify_self_mod_expr): For post-modify expressions gimplify
1235 the lvalue to a minimal lvalue.
1236 (rhs_predicate_for): Remove formal temp case.
1237 (gimplify_modify_expr_rhs): Likewise.
1238 (gimplify_addr_expr): Use is_gimple_reg.
1239 (gimplify_expr): Remove formal temp cases.
1240 (gimple_regimplify_operands): Likewise.
1241 * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1242 and FILTER_EXPR like constants.
1243 * gimple.c (walk_gimple_op): Fix val_only initialization, use
1245 (is_gimple_formal_tmp_rhs): Remove.
1246 (is_gimple_reg_rhs): Remove special casing.
1247 (is_gimple_mem_rhs): Fix.
1248 (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1249 (is_gimple_formal_tmp_var): Remove.
1250 (is_gimple_formal_tmp_reg): Likewise.
1251 (is_gimple_min_lval): Allow invariant component ref parts.
1252 * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1253 is_gimple_formal_tmp_reg): Remove declarations.
1254 * tree-cfg.c (verify_expr): Verify that variables with address
1255 taken do not have DECL_GIMPLE_REG_P set.
1256 * tree-mudflap.c (mf_build_check_statement_for): Use
1257 force_gimple_operand instead of gimplify_expr.
1259 2009-03-31 Ayal Zaks <zaks@il.ibm.com>
1261 * modulo-sched.c (sms_schedule_by_order): Pass the actual
1262 schedulable rows to compute_split_row.
1264 2009-03-31 Ben Elliston <bje@au.ibm.com>
1267 * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1270 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1272 * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1273 * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1274 * configure: Regenerate.
1275 * config.in: Regenerate.
1276 * config/rs6000/rs6000.opt (mtls-markers): Add.
1277 * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1278 * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1279 (tls_ld_aix, tls_ld_sysv): Likewise.
1280 (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1281 (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1283 2009-03-31 Alan Modra <amodra@bigpond.net.au>
1285 * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1287 2009-03-30 Jan Hubicka <jh@suse.cz>
1289 * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1291 (tree_remove_unreachable_handlers): Cleanup EH predecestor
1292 detection and label handling.
1294 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1296 * ira-int.h (ira_allocno): Rename left_conflicts_num to
1297 left_conflicts_size.
1298 (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1299 ALLOCNO_LEFT_CONFLICTS_SIZE.
1301 * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1302 remove_allocno_from_bucket_and_push,
1303 allocno_spill_priority_compare, push_allocnos_to_stack,
1304 setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1305 instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1306 (setup_allocno_left_conflicts_num): Ditto. Rename to
1307 setup_allocno_left_conflicts_size.
1308 (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1309 instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1310 setup_allocno_left_conflicts_size instead of
1311 setup_allocno_left_conflicts_num.
1313 * ira-build.c (ira_create_allocno): Use
1314 ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1315 ALLOCNO_LEFT_CONFLICTS_NUM.
1317 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
1319 * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1320 instead of DF_LR_OUT.
1322 * ira-lives.c (process_bb_node_lives): Ditto.
1324 * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1325 instead of DF_LR_{OUT,IN}.
1327 * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1329 * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1331 2009-03-30 Jan Hubicka <jh@suse.cz>
1333 * except.c (label_to_region_map): Fix thinko.
1335 2009-03-30 Steve Ellcey <sje@cup.hp.com>
1338 * tree.h (tree_find_value): New declaration.
1339 * tree.c (tree_find_value): New function.
1340 * varasm.c (assemble_external): Avoid duplicate entries on lists.
1342 2009-03-30 Jakub Jelinek <jakub@redhat.com>
1345 * c-decl.c (struct c_binding): Add locus field.
1346 (bind): Add locus argument, set locus field from it.
1347 (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1348 add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1349 (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1350 implicitly_declare, undeclared_variable, lookup_label,
1351 declare_label, c_make_fname_decl, c_builtin_function,
1352 c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1355 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
1358 * config/i386/i386.c (classify_argument): Check total size of
1361 2009-03-30 Martin Jambor <mjambor@suse.cz>
1363 * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1364 IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1365 IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1368 * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1369 seen_variable_array_ref while also traversing a union.
1371 * tree-inline.c (optimize_inline_calls): Do not call
1372 cgraph_node_remove_callees.
1373 * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1374 (pass_remove_cgraph_callee_edges): New variable.
1375 * passes.c (init_optimization_passes): Add
1376 pass_remove_cgraph_callee_edges after early inlining and before all
1377 late intraprocedural passes.
1379 * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1381 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1383 * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1386 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1388 * combine.c (simplify_comparison): Use have_insn_for.
1389 * dojump.c (do_jump): Likewise.
1391 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1393 * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1394 (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1395 sparc_compare_op0 like sparc_compare_emitted used to be handled.
1396 (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1397 instead of sparc_compare_emitted.
1398 * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1399 * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1400 instead of sparc_compare_emitted.
1402 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1404 * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1405 enter/exit cfglayout mode.
1406 (pass_partition_block): Require it.
1407 * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1408 (combine_instructions): Track basic blocks instead of labels.
1409 (update_cfg_for_uncondjump): New.
1410 (try_combine): Use it. Update jumps after rescanning.
1411 (pass_combine): Require PROP_cfglayout.
1412 * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1414 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1416 * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1417 Provide/destroy PROP_cfglayout respectively.
1418 * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1419 * tree-pass.h (PROP_cfglayout): New.
1421 2009-03-30 Paolo Bonzini <bonzini@gnu.org>
1423 * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1424 fold_convert_const_fixed_from_fixed,
1425 fold_convert_const_fixed_from_int,
1426 fold_convert_const_fixed_from_real, fold_negate_const): Do not
1427 set TREE_CONSTANT_OVERFLOW.
1428 * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1429 * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1431 2009-03-30 Ira Rosen <irar@il.ibm.com>
1433 * tree-vect-loop-manip.c: New file.
1434 * tree-vectorizer.c: Update documentation and included files.
1435 (vect_loop_location): Make extern.
1436 (rename_use_op): Move to tree-vect-loop-manip.c
1437 (rename_variables_in_bb, rename_variables_in_loop,
1438 slpeel_update_phis_for_duplicate_loop,
1439 slpeel_update_phi_nodes_for_guard1,
1440 slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1441 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1442 slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1443 set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
1444 find_loop_location): Likewise.
1445 (new_stmt_vec_info): Move to tree-vect-stmts.c.
1446 (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1447 get_vectype_for_scalar_type, vect_is_simple_use,
1448 supportable_widening_operation, supportable_narrowing_operation):
1450 (bb_in_loop_p): Move to tree-vect-loop.c.
1451 (new_loop_vec_info, destroy_loop_vec_info,
1452 reduction_code_for_scalar_code, report_vect_op,
1453 vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1454 (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1455 (vect_supportable_dr_alignment): Likewise.
1456 * tree-vectorizer.h (tree-data-ref.h): Include.
1457 (vect_loop_location): Declare.
1458 Reorganize function declarations according to the new file structure.
1459 * tree-vect-loop.c: New file.
1460 * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
1461 tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1462 * tree-vect-data-refs.c: New file.
1463 * tree-vect-patterns.c (timevar.h): Don't include.
1464 * tree-vect-stmts.c: New file.
1465 * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
1466 tree-vect-slp.c, tree-vect-loop.c.
1467 * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
1468 tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
1469 tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1470 (tree-vect-analyze.o): Remove.
1471 (tree-vect-transform.o): Likewise.
1472 (tree-vect-data-refs.o): Add rule.
1473 (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
1474 tree-vect-slp.o): Likewise.
1475 (tree-vect-patterns.o): Remove redundant dependencies.
1476 (tree-vectorizer.o): Likewise.
1477 * tree-vect-slp.c: New file.
1479 2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1481 * optc-gen.awk: Warn if an option flag has multiple different
1484 2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
1486 * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1487 -floop-block): Document dependences on PPL, CLooG and Graphite.
1489 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1491 PR rtl-optimization/323
1492 * c-common.c (c_fully_fold, convert_and_check,
1493 c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1494 (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1495 * c-common.def (EXCESS_PRECISION_EXPR): New.
1496 * c-cppbuiltin.c (builtin_define_float_constants): Define
1497 constants with enough digits for long double.
1498 * c-lex.c (interpret_float): Interpret constant with excess
1499 precision where appropriate.
1500 * c-opts.c (c_common_post_options): Set
1501 flag_excess_precision_cmdline. Give an error for
1502 -fexcess-precision=standard for C++ for processors where the
1503 option is significant.
1504 * c-parser.c (c_parser_conditional_expression): Handle excess
1505 precision in condition.
1506 * c-typeck.c (convert_arguments): Handle arguments with excess
1508 (build_unary_op): Move excess precision outside operation.
1509 (build_conditional_expr): Likewise.
1510 (build_compound_expr): Likewise.
1511 (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1512 (build_modify_expr): Handle excess precision in RHS.
1513 (convert_for_assignment): Handle excess precision in converted
1515 (digest_init, output_init_element, process_init_element): Handle
1516 excess precision in initializer.
1517 (c_finish_return): Handle excess precision in return value.
1518 (build_binary_op): Handle excess precision in operands and add
1519 excess precision as needed for operation.
1520 * common.opt (-fexcess-precision=): New option.
1521 * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1522 * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1523 For standard excess precision, output explicit conversion to and
1524 truncation from XFmode.
1525 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1526 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1527 *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1528 define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1529 define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1530 floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1531 divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1532 *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1533 *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1534 define_splits, sqrt<mode>2): Disable where appropriate for
1535 standard excess precision.
1536 * convert.c (convert_to_real): Do not shorten arithmetic to type
1537 for which excess precision would be used.
1538 * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1539 * doc/invoke.texi (-fexcess-precision=): Document option.
1540 (-mfpmath=): Correct index entry.
1541 * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1542 flag_excess_precision): New.
1543 * langhooks.c (lhd_post_options): Set
1544 flag_excess_precision_cmdline.
1545 * opts.c (common_handle_option): Handle -fexcess-precision=.
1546 * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1547 init_excess_precision): New.
1548 (lang_dependent_init_target): Call init_excess_precision.
1549 * tree.c (excess_precision_type): New.
1550 * tree.h (excess_precision_type): Declare.
1552 2009-03-30 Joseph Myers <joseph@codesourcery.com>
1555 * c-typeck.c (build_component_ref): Do not copy qualifiers from
1556 non-lvalue to component.
1558 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1560 PR preprocessor/34695
1561 * Makefile.in (c-opts.o): Depend on c-tree.h.
1562 * c-common.c: Move down include of diagnostic.h.
1563 (done_lexing, c_cpp_error): New.
1564 * c-common.h (done_lexing): Declare.
1565 * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1567 * c-opts.c: Include c-tree.h.
1568 (c_common_init_options): Set preprocessor error callback.
1569 (c_common_handle_option): Do not set preprocessor
1570 inhibit_warnings, warnings_are_errors, warn_system_headers,
1571 pedantic_errors or inhibit_warnings flags.
1572 (c_common_post_options): Do not check cpp_errors (parse_in).
1573 (c_common_finish): Do not output dependencies if there were
1574 errors. Do not check return value of cpp_finish.
1575 * c-ppoutput.c (pp_file_change): Set input_location.
1576 * c-tree.h (c_cpp_error): Declare.
1577 * diagnostic.c (diagnostic_set_info_translated): Also initialize
1579 (diagnostic_build_prefix): Check override_column.
1580 * diagnostic.h (diagnostic_info): Add override_column field.
1581 (diagnostic_override_column): Define.
1583 2009-03-28 Paolo Bonzini <bonzini@gnu.org>
1585 * c-common.c (c_expand_expr, c_staticp): Remove.
1586 * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1587 * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1588 COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1589 * c-gimplify.c (gimplify_compound_literal_expr,
1590 optimize_compound_literals_in_ctor): Remove.
1591 (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1592 * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1593 * c-semantics.c (emit_local_var): Remove.
1595 * langhooks-def.h (lhd_expand_expr): Remove.
1596 * langhooks.c (lhd_expand_expr): Remove.
1597 * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1599 * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1600 handling from c-semantics.c; don't call into langhook.
1601 (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1602 * gimplify.c (gimplify_compound_literal_expr,
1603 optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1604 (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1605 (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1606 as was done in c-gimplify.c.
1607 * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1608 * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1609 Move from c-common.h.
1610 * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1612 * tree.c (staticp): Do not call langhook.
1613 * langhooks.c (lhd_staticp): Delete.
1614 * langhooks-def.h (lhd_staticp): Delete prototype.
1615 (LANG_HOOKS_STATICP): Delete.
1616 (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1618 * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1619 instead of DECL_STMTs.
1621 2009-03-29 Joseph Myers <joseph@codesourcery.com>
1629 * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1631 (fold_call_expr): Return a NOP_EXPR from folding rather than the
1632 contained expression.
1633 * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1634 (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
1635 conditional expressions for C.
1636 (decl_constant_value_for_optimization): Move from
1637 decl_constant_value_for_broken_optimization in c-typeck.c. Check
1638 whether optimizing and that the expression is a VAR_DECL not of
1639 array type instead of doing such checks in the caller. Do not
1640 check pedantic. Call gcc_unreachable for C++.
1641 * c-common.def (C_MAYBE_CONST_EXPR): New.
1642 * c-common.h (c_fully_fold, c_save_expr,
1643 decl_constant_value_for_optimization): New prototypes.
1644 (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1645 C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1646 EXPR_INT_CONST_OPERANDS): Define.
1647 * c-convert.c (convert): Strip nops from expression.
1648 * c-decl.c (groktypename): Take extra parameters expr and
1649 expr_const_operands. Update call to grokdeclarator.
1650 (start_decl): Update call to grokdeclarator. Add statement for
1651 expressions used in type of decl.
1652 (grokparm): Update call to grokdeclarator.
1653 (push_parm_decl): Update call to grokdeclarator.
1654 (build_compound_literal): Add parameter non_const and build a
1655 C_MAYBE_COSNT_EXPR if applicable.
1656 (grokdeclarator): Take extra parameters expr and
1657 expr_const_operands. Track expressions used in declaration
1658 specifiers and declarators. Fold array sizes and track whether
1659 they are constant expressions and whether they are integer
1660 constant expressions.
1661 (parser_xref_tag): Set expr and expr_const_operands fields in
1663 (grokfield): Update call to grokdeclarator.
1664 (start_function): Update call to grokdeclarator.
1665 (build_null_declspecs): Set expr and expr_const_operands fields in
1667 (declspecs_add_type): Handle expressions in typeof specifiers.
1668 * c-parser.c (c_parser_declspecs): Set expr and
1669 expr_const_operands fields for declaration specifiers.
1670 (c_parser_enum_specifier): Likewise.
1671 (c_parser_struct_or_union_specifier): Likewise.
1672 (c_parser_typeof_specifier): Likewise. Update call to
1673 groktypename. Fold expression as needed. Return expressions with
1674 type instead of adding statements.
1675 (c_parser_attributes): Update calls to c_parser_expr_list.
1676 (c_parser_statement_after_labels): Fold expression before passing
1677 to objc_build_throw_stmt.
1678 (c_parser_condition): Fold expression.
1679 (c_parser_asm_operands): Fold expression.
1680 (c_parser_conditional_expression): Use c_save_expr. Update call
1681 to build_conditional_expr.
1682 (c_parser_alignof_expression): Update call to groktypename.
1683 (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1684 original_code. Fold expression argument of va_arg. Create
1685 C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1686 argument to va_arg. Update calls to groktypename. Fold array
1687 index for offsetof. Verify that first argument to
1688 __builtin_choose_expr has integer type.
1689 (c_parser_postfix_expression_after_paren_type): Update calls to
1690 groktypename and build_compound_literal. Handle expressions with
1691 side effects in type name.
1692 (c_parser_postfix_expression_after_primary): Update call to
1693 c_parser_expr_list. Set original_code for calls to
1694 __builtin_constant_p.
1695 (c_parser_expr_list): Take extra parameter fold_p. Fold
1696 expressions if requested.
1697 (c_parser_objc_type_name): Update call to groktypename.
1698 (c_parser_objc_synchronized_statement): Fold expression.
1699 (c_parser_objc_receiver): Fold expression.
1700 (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1701 (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1702 c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1703 * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1704 (struct c_typespec): Add elements expr and expr_const_operands.
1705 (struct c_declspecs): Add elements expr and expr_const_operands.
1706 (groktypename, build_conditional_expr, build_compound_literal):
1708 (in_late_binary_op): Declare.
1709 * c-typeck.c (note_integer_operands): New function.
1710 (in_late_binary_op): New variable.
1711 (decl_constant_value_for_broken_optimization): Move to c-common.c
1712 and rename to decl_constant_value_for_optimization.
1713 (default_function_array_conversion): Do not strip nops.
1714 (default_conversion): Do not call
1715 decl_constant_value_for_broken_optimization.
1716 (build_array_ref): Do not fold result.
1717 (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
1718 result when operand is a VLA.
1719 (c_expr_sizeof_type): Update call to groktypename. Handle
1720 expressions included in type name. Use C_MAYBE_CONST_EXPR for
1721 result when operand names a VLA type.
1722 (build_function_call): Update call to build_compound_literal.
1723 Only fold result for calls to __builtin_* functions. Strip
1724 NOP_EXPR from INTEGER_CST returned from such functions. Fold
1725 the function designator.
1726 (convert_arguments): Fold arguments. Update call to
1727 convert_for_assignment.
1728 (build_unary_op): Handle increment and decrement of
1729 C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
1730 decrement earlier. Fold operand of increment and decrement.
1731 Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
1732 built for integer operand. Wrap returns that are INTEGER_CSTs
1733 without being integer constant expressions or that have integer
1734 constant operands without being INTEGER_CSTs.
1735 (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1736 (build_conditional_expr): Add operand ifexp_bcp. Track whether
1737 result is an integer constant expression or can be used in
1738 unevaluated parts of one and avoid folding and wrap as
1739 appropriate. Fold operands before possibly doing -Wsign-compare
1741 (build_compound_expr): Wrap result for C99 if operands can be used
1742 in integer constant expressions.
1743 (build_c_cast): Update call to digest_init. Do not ignore
1744 overflow from casting floating-point constants to integers. Wrap
1745 results that could be confused with integer constant expressions,
1746 null pointer constants or floating-point constants.
1747 (c_cast_expr): Update call to groktypename. Handle expressions
1748 included in type name.
1749 (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
1750 lhs inside possible SAVE_EXPR. Fold RHS before assignment.
1751 Update calls to convert_for_assignment.
1752 (convert_for_assignment): Take new parameter
1753 null_pointer_constant. Do not strip nops or call
1754 decl_constant_value_for_broken_optimization. Set
1755 in_late_binary_op for conversions to boolean.
1756 (store_init_value): Update call to digest_init.
1757 (digest_init): Take new parameter null_pointer_constant. Do not
1758 call decl_constant_value_for_broken_optimization. pedwarn for
1759 initializers not constant expressions. Update calls to
1760 convert_for_assignment.
1761 (constructor_nonconst): New.
1762 (struct constructor_stack): Add nonconst element.
1763 (really_start_incremental_init, push_init_level, pop_init_level):
1764 Handle constructor_nonconst and nonconst element.
1765 (set_init_index): Call constant_expression_warning for array
1767 (output_init_element): Fold value. Set constructor_nonconst as
1768 applicable. pedwarn for initializers not constant expressions.
1769 Update call to digest_init. Call constant_expression_warning
1770 where constant initializers are required.
1771 (process_init_element): Use c_save_expr.
1772 (c_finish_goto_ptr): Fold expression.
1773 (c_finish_return): Fold return value. Update call to
1774 convert_for_assignment.
1775 (c_start_case): Fold switch expression.
1776 (c_process_expr_stmt): Fold expression.
1777 (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1778 ensure statement expression is not evaluated in constant expression.
1779 (build_binary_op): Track whether results are integer constant
1780 expressions or may occur in such, disable folding and wrap results
1781 as applicable. Fold operands for -Wsign-compare warnings unless
1783 (c_objc_common_truthvalue_conversion): Handle results folded to
1784 integer constants that are not integer constant expressions.
1785 * doc/extend.texi: Document when typeof operands are evaluated,
1786 that condition of __builtin_choose_expr is an integer constant
1787 expression, and more about use of __builtin_constant_p in
1790 2009-03-29 Richard Guenther <rguenther@suse.de>
1792 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1793 propagate addresses of array references.
1795 2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
1797 * regmove.c (perhaps_ends_bb_p): Remove.
1798 (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
1799 from INSN and check that the main loop stays within that basic block.
1800 (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1801 (regmove_forward_pass): Split out from regmove_optimize. Use
1802 FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1803 (regmove_backward_pass): Split out from regmove_optimize. Use
1804 FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1805 (regmove_optimize): Simplify.
1807 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1810 * config/i386/i386.c (classify_argument): Ignore flexible array
1811 member in struct and warn ABI change.
1813 2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
1815 * config/i386/i386-protos.h (ix86_agi_dependent): New.
1817 * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1818 (ix86_adjust_cost): Updated.
1820 2009-03-29 Jan Hubicka <jh@suse.cz>
1823 * tree-pass.h (pass_cleanup_eh): New function.
1824 (remove_unreachable_regions): Break code handling RTL
1825 to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1826 that can not be reached by runtime.
1827 (can_be_reached_by_runtime): New function.
1828 (label_to_region_map): New function.
1829 (num_eh_regions): New function.
1830 (rtl_remove_unreachable_regions): New function.
1831 (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1832 (remove_eh_region): New function.
1833 * except.h: Include sbitmap and vecprim.
1834 (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1835 num_eh_regions): Declare.
1836 * passes.c (init_optimization_passes): Schedule cleanup_eh.
1837 * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1838 * tree-eh.c (tree_remove_unreachable_handlers): New function.
1839 (tree_empty_eh_handler_p): New function.
1840 (cleanup_empty_eh): New function.
1841 (cleanup_eh): New function.
1842 (pass_cleanup_eh): New function.
1844 2009-03-29 Jan Hubicka <jh@suse.cz>
1846 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1847 for removed regions.
1849 2009-03-29 Jan Hubicka <jh@suse.cz>
1851 * except.c (dump_eh_tree): Dump all datastructures.
1853 2009-03-29 Jan Hubicka <jh@suse.cz>
1855 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1856 (duplicate_eh_regions_1): Likewise.
1857 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1858 vector; call EH verification.
1859 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1860 Be ready for region being removed.
1862 2009-03-29 Jan Hubicka <jh@suse.cz>
1864 * bitmap.c (bitmap_last_set_bit): New function.
1865 * bitmap.h (bitmap_last_set_bit): Declare.
1867 2009-03-29 David Ayers <ayers@fsfe.org>
1870 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1871 by calling objc_compare_types and surpress warnings about
1872 incompatible C pointers that are compatible ObjC pointers.
1874 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
1876 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1877 call initialize_inline_failed.
1878 (initialize_inline_failed): Move it from here ...
1879 * cgraph.c (initialize_inline_failed): ... to here.
1880 (cgraph_create_edge): Call initialize_inline_failed rather than
1881 setting inline_failed directly.
1883 2009-03-29 Ben Elliston <bje@au.ibm.com>
1886 * sysv4.opt (msdata): Improve comment.
1887 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1888 * sysv4.h (SVR4_ASM_SPEC): Likewise.
1890 2009-03-29 Ben Elliston <bje@au.ibm.com>
1893 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1894 load and store attributes.
1896 2009-03-29 Ben Elliston <bje@au.ibm.com>
1898 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1899 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1900 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1901 * doc/extend.texi (X86 Built-in Functions): Add index entries for
1902 __builtin_infq and __builtin_huge_valq.
1904 2009-03-28 Anatoly Sokolov <aesok@post.ru>
1906 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1908 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1909 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1911 2009-03-28 Xinliang David Li <davidxl@google.com>
1913 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
1914 (do_dbg_cnt): New function.
1916 2009-03-28 Jan Hubicka <jh@suse.cz>
1918 Merge from pretty-ipa:
1920 2009-03-27 Jan Hubicka <jh@suse.cz>
1922 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1923 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1924 * passes.c (function_called_by_processed_nodes_p): New.
1925 * ipa-pure-const.c (check_call): Fix handling of operands.
1926 (analyze_function): Dump debug output for skipped bodies.
1927 (local_pure_const): Use function_called_by_processed_nodes_p.
1928 * dwarf2out.c (reference_to_unused): Use output.
1929 * passes.c (do_per_function_toporder): Likewise.
1931 2008-11-12 Jan Hubicka <jh@suse.cz>
1933 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1934 * ipa-pure-const.c (funct_state_d): Add can throw field; make
1935 state_set_in_source enum
1936 (check_decl): Ignore memory tags; do not set fake looping flags;
1938 (check_operand, check_tree, check_rhs_var, check_lhs_var,
1939 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1940 (check_call, analyze_function): Rewrite.
1942 (add_new_function): Update call of analyze_function.
1943 (generate_summary): Add call of analyze_function.
1944 (propagate): Propagate can_throw; handle state_set_in_source correctly.
1945 (local_pure_const): New function.
1946 (pass_local_pure_const): New pass.
1947 * ipa-inline.c (inline_transform): Set after_inlining.
1948 * tree-eh.c (stmt_can_throw_external): New.
1949 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1950 work with aliasing built.
1951 * tree-flow.h (stmt_can_throw_external): New.
1952 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1953 and local pure/const pass in early and late optimization queue.
1955 2009-03-28 Martin Jambor <mjambor@suse.cz>
1957 * fold-const.c (get_pointer_modulus_and_residue): New parameter
1959 (fold_binary): Allow function decl aligment consideration is the
1960 second argument is integer constant one.
1961 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1962 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1963 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
1965 2009-03-28 Jan Hubicka <jh@suse.cz>
1967 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
1968 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
1969 * function.h (rtl_data): Add nothrow flag.
1970 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
1971 set DECL_NOTHROW for AVAILABLE functions.
1973 2009-03-28 Jakub Jelinek <jakub@redhat.com>
1975 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
1976 following vector keyword has expansion starting with pixel or bool
1977 keyword, expand vector to __vector and pixel or bool to __pixel or
1981 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
1982 warn_if_disallowed_function_p): Removed.
1983 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
1984 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
1985 warning_if_disallowed_function_p.
1986 * flags.h (warn_if_disallowed_function_p,
1987 warn_disallowed_functions): Removed.
1988 * common.opt (Wdisallowed-function-list=): Removed.
1989 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
1991 2009-03-28 Richard Guenther <rguenther@suse.de>
1993 PR tree-optimization/38723
1994 * tree-ssa-pre.c (compute_avail): Add all default definitions to
1997 2009-03-28 Jan Hubicka <jh@suse.cz>
1999 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2000 test introduced by my previous patch.
2002 2009-03-28 Richard Guenther <rguenther@suse.de>
2004 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2005 the PHIs value undefined.
2007 2009-03-28 Jan Hubicka <jh@suse.cz>
2009 * tree-pass.h (pass_fixup_cfg): New pass.
2010 * ipa-inline.c (inline_transform): Set
2011 always_inline_functions_inlined/after_inlining.
2012 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2013 (pass_fixup_cfg): New pass.
2014 * passes.c (init_optimization_passes): Add fixup_cfg.
2016 2009-03-28 Richard Guenther <rguenther@suse.de>
2018 PR tree-optimization/38458
2019 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2020 argument use the arguments copy-of value.
2022 2009-03-28 Richard Guenther <rguenther@suse.de>
2024 PR tree-optimization/38180
2025 * tree-ssa-ccp.c (get_default_value): Simplify.
2026 (likely_value): Likewise.
2027 (surely_varying_stmt_p): Properly handle VOP case.
2028 (ccp_initialize): Likewise.
2029 (ccp_fold): Handle propagating through *&.
2030 (fold_const_aggregate_ref): Also handle decls.
2032 2009-03-28 Jan Hubicka <jh@suse.cz>
2034 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2035 * cgraph.h (cgraph_node): Likewise.
2036 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2037 (cgraph_reset_node): Use process flag.
2038 (cgraph_mark_functions_to_output): Likewise.
2039 (cgraph_expand_function): Likewise.
2040 (cgraph_expand_all_functions): Likewise.
2041 (cgraph_output_in_order): Likewise.
2042 * dwarf2out.c (reference_to_unused): Likewise.
2043 * passes.c do_per_function_toporder): Likewise.
2045 2009-03-28 Jan Hubicka <jh@suse.cz>
2047 Bring from lto-branch:
2049 2008-09-03 Doug Kwan <dougkwan@google.com>
2051 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2052 enums instead of reason strings.
2053 * cgraph.c (cgraph_create_edge): Same.
2054 (cgraph_inline_failed_string): New function.
2055 * cgraph.h (cgraph_inline_failed_t): New enum type.
2056 (cgraph_inline_failed_string): New prototype.
2057 (struct cgraph_edge): Change type of INLINED_FAILED from constant
2058 char pointer to cgraph_inline_failed_t.
2059 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2060 (cgraph_default_inline_p): Ditto.
2061 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2062 to cgraph_inline_failed_t pointer.
2063 * cif-code.def: New file.
2064 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2066 (cgraph_check_inline_limits): Change type of REASON to pointer to
2067 cgraph_inline_failed_t. Replace reason strings with enums.
2068 (cgraph_default_inline_p): Ditto.
2069 (cgraph_recursive_inlining_p): Ditto.
2070 (update_caller_keys): Change type of FAILED_REASON to
2071 cgraph_inline_failed_t.
2072 (cgraph_set_inline_failed): Change type of REASON to pointer to
2073 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
2074 convert enums to strings for text output.
2075 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2076 to be of type cgraph_inline_failed_t. Replace reason strings with
2077 enums. Call cgraph_inline_failed_string to covert enums
2078 to strings for text output.
2079 (cgraph_decide_inlining): Replace reason strings with enums.
2080 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2081 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
2083 * tree-inline.c (expand_call_inline): Change type of REASON
2084 to cgraph_inline_failed_t. Replace reason strings with enums.
2085 Call cgraph_inline_failed_string for text output.
2086 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2089 2009-03-28 Jan Hubicka <jh@suse.cz>
2091 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2092 cgraph_clone_node): Remove master clone handling.
2093 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2094 * cgraph.h (master_clone): Remove.
2095 (cgraph_is_master_clone, cgraph_master_clone): Remove.
2096 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2097 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2099 2009-03-28 Jan Hubicka <jh@suse.cz>
2101 * cgraph.c (cgraph_function_body_availability): Functions declared
2102 inline are always safe to assume that it is not going to be replaced.
2104 2009-03-28 Richard Guenther <rguenther@suse.de>
2106 PR tree-optimization/38513
2107 * tree-ssa-pre.c (eliminate): Remove redundant stores.
2108 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2109 EXC_PTR_EXPR and FILTER_EXPR.
2110 (get_ref_from_reference_ops): Likewise.
2112 2009-03-28 Richard Guenther <rguenther@suse.de>
2114 PR tree-optimization/38968
2115 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2116 Use FLOOR_MOD_EXPR to compute misalignment.
2118 2009-03-28 Richard Guenther <rguenther@suse.de>
2120 PR tree-optimization/37795
2121 * tree.h (combine_comparisons): Declare.
2122 * fold-const.c (combine_comparisons): Export.
2123 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2125 (ifcombine_iforif): Use combine_comparisons.
2127 2009-03-28 Jan Hubicka <jh@suse.cz>
2129 * tree-eh.c (inlinable_call_p): New function.
2130 (make_eh_edges): Use it.
2131 (verify_eh_edges): Use it.
2132 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2133 * except.c (reachable_next_level): Add inlinable_function argument
2134 (sjlj_find_directly_reachable_regions): Update.
2135 (add_reachable_handler): Do not set saw_any_handlers.
2136 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2137 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2138 Add new inlinable call parameter.
2139 (can_throw_internal, can_throw_external): Update.
2140 * except.h (can_throw_internal_1, can_throw_external_1,
2141 foreach_reachable_handler): Update declaration.
2143 2009-03-28 Joseph Myers <joseph@codesourcery.com>
2145 * config/arm/t-arm-coff, config/h8300/coff.h,
2146 config/i386/i386-aout.h, config/i386/i386-coff.h,
2147 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2148 config/pdp11/2bsd.h, config/rs6000/aix41.h,
2149 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2150 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2151 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2152 sys-types.h: Remove.
2153 * Makefile.in: Remove protoize and fixproto support and references
2155 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2156 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2158 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2159 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2160 unprotoize$(exeext).
2161 (rest.encap): Don't depend on $(STMP_FIXPROTO)
2162 (.PHONY): Don't depend on proto.
2163 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2164 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2165 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2166 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2167 build/gen-protos.o, build/scan.o, xsys-protos.h,
2168 build/fix-header$(build_exeext), build/fix-header.o,
2169 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2170 stmp-install-fixproto): Remove.
2171 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2172 SYSCALLS.c or fixproto files.
2173 (install-common): Don't install protoize.
2174 (install-headers-tar, install-headers-cpio, install-headers-cp):
2175 Don't depend on $(STMP_FIXPROTO).
2176 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
2177 install fixproto files or write out fixproto settings.
2178 (uninstall): Don't uninstall protoize.
2179 * config.gcc (use_fixproto): Remove.
2180 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2181 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2182 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2183 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2184 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2185 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2186 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2187 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2188 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2189 * config/t-vxworks (STMP_FIXPROTO): Remove.
2190 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2191 STMP_FIXPROTO): Remove.
2192 * config.in, configure: Regenerate.
2193 * crtstuff.c (gid_t, uid_t): Don't undefine.
2194 * doc/install.texi: Change m68k-coff to m68k-elf in example.
2195 (arm-*-coff, arm-*-aout: Remove target entries.
2196 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2197 Remove mention of AIX 4.1.
2198 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2199 * doc/invoke.texi (Running Protoize): Remove.
2200 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2201 (Protoize Caveats): Remove.
2202 * tsystem.h: Update comments on headers assumed to exist.
2204 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
2206 * genautomata.c: Add a new year to the copyright. Add a new
2208 (struct insn_reserv_decl): Add comments for member bypass_list.
2209 (find_bypass): Remove.
2210 (insert_bypass): New.
2211 (process_decls): Use insert_bypass.
2212 (output_internal_insn_latency_func): Output all bypasses with the
2213 same input insn in one switch case.
2215 * rtl.def (define_bypass): Describe bypass choice.
2216 * doc/md.texi (define_bypass): Ditto.
2218 2009-03-27 Richard Guenther <rguenther@suse.de>
2220 * gimplify.c (mark_addressable): Export.
2221 * tree-flow.h (mark_addressable): Declare.
2222 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2223 * tree-ssa.c (verify_phi_args): Verify that address taken
2224 variables have TREE_ADDRESSABLE set.
2226 2009-03-27 Richard Guenther <rguenther@suse.de>
2228 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2229 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
2230 Do not mark decls TREE_ADDRESSABLE.
2231 (build_fold_addr_expr): Adjust.
2232 (fold_addr_expr): Remove.
2233 (fold_unary): Use build_fold_addr_expr.
2234 (fold_comparison): Likewise.
2235 (split_address_to_core_and_offset): Likewise.
2236 * coverage.c (tree_coverage_counter_addr): Mark the array decl
2238 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2239 (gimplify_modify_expr_to_memcpy): Mark source and destination
2241 * omp-low.c (create_omp_child_function): Mark the object decl
2243 (lower_rec_input_clauses): Mark the var we take the address of
2245 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2247 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2250 * cfgexpand.c (expand_one_stack_var_at): Change alignment
2251 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2253 2009-03-27 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/39120
2256 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2258 (handle_lhs_call): Process return constraints. Add escape
2259 constraints if necessary.
2260 (handle_const_call): Fill out return constraints. Make nested
2261 case more precise. Avoid consttmp if possible.
2262 (handle_pure_call): Fill out return constraints. Avoid
2263 callused if possible.
2264 (find_func_aliases): Simplify call handling.
2266 2009-03-27 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/39120
2269 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2270 as a representative.
2271 (solve_graph): Do propagate CALLUSED.
2272 (handle_pure_call): Use a scalar constraint from CALLUSED for
2274 (find_what_p_points_to): CALLUSED shall not appear in poins-to
2277 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2280 * c-common.c (handle_aligned_attribute): Properly check alignment
2281 overflow. Use (1U << i) instead of (1 << i).
2283 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2285 * expr.h (get_mem_align_offset): Updated.
2287 * tree.h (tree_decl_common): Change align to "unsigned int" and
2288 move it before pointer_alias_set.
2290 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2291 Jakub Jelinek <jakub@redhat.com>
2294 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2295 gr_register_operand with gr_reg_or_0_operand.
2296 (cmpxchg_rel_di): Likewise.
2297 (sync_lock_test_and_set<mode>): Likewise.
2299 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2301 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2302 (true_regnum): Likewise.
2304 * rtlanal.c (subreg_info): Moved to ...
2305 * rtl.h (subreg_info): Here. New.
2306 (subreg_get_info): New.
2308 * rtlanal.c (subreg_get_info): Make it extern.
2310 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2313 * config/i386/i386.c (ix86_abi): New.
2314 (override_options): Handle -mabi=.
2315 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2316 (ix86_call_abi_override): Likewise.
2317 (init_cumulative_args): Likewise.
2318 (function_arg_advance): Likewise.
2319 (function_arg_64): Likewise.
2320 (function_arg): Likewise.
2321 (ix86_pass_by_reference): Likewise.
2322 (ix86_function_value_regno_p): Likewise.
2323 (ix86_build_builtin_va_list_abi): Likewise.
2324 (setup_incoming_varargs_64): Likewise.
2325 (is_va_list_char_pointer): Likewise.
2326 (ix86_init_machine_status): Likewise.
2327 (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2328 (ix86_function_type_abi): Return enum calling_abi. Rewrite
2329 for 64bit. Replace DEFAULT_ABI with ix86_abi.
2330 (ix86_function_abi): Make it static and return enum calling_abi.
2331 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
2333 (ix86_fn_abi_va_list): Updated.
2335 * config/i386/i386.h (ix86_abi): New.
2336 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2337 (CONDITIONAL_REGISTER_USAGE): Likewise.
2338 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2339 (machine_function): Likewise.
2341 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2343 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2344 (STACK_BOUNDARY): Likewise.
2345 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2347 * config/i386/i386.opt (mabi=): New.
2349 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2350 return enum calling_abi.
2351 (ix86_function_type_abi): Likewise.
2352 (ix86_function_abi): Removed.
2354 * doc/invoke.texi: Document -mabi= option for x86.
2356 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2358 * builtins.c (real_dconstp): Delete.
2359 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2361 2009-03-27 Dodji Seketeli <dodji@redhat.com>
2362 Jakub Jelinek <jakub@redhat.com>
2365 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2366 (gen_subprogram_die): When a function is explicit, generate the
2367 DW_AT_explicit attribute.
2368 * langhooks.h (struct lang_hooks_for_decls): Add
2369 function_decl_explicit_p langhook.
2370 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2371 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2373 2009-03-27 Jakub Jelinek <jakub@redhat.com>
2375 * builtins.c (fold_builtin_memory_op): Optimize memmove
2376 into memcpy if we can prove source and destination don't overlap.
2378 * tree-inline.c: Include gt-tree-inline.h.
2379 (clone_fn_id_num): New variable.
2380 (clone_function_name): New function.
2381 (tree_function_versioning): Use it.
2382 * Makefile.in (GTFILES): Add tree-inline.c.
2384 2009-03-27 Mark Mitchell <mark@codesourcery.com>
2386 * BASE-VER: Change to 4.5.0.
2388 2009-03-27 Xinliang David Li <davidxl@google.com>
2390 PR tree-optimization/39557
2391 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2393 2009-03-27 Xinliang David Li <davidxl@google.com>
2395 PR tree-optimization/39548
2396 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
2399 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2401 * c-common.c (pointer_int_sum): Use %wd on return from
2404 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
2406 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2407 on return from tree_low_cst.
2409 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
2412 * ginclude/stdarg.h (va_copy): Define also for
2413 __GXX_EXPERIMENTAL_CXX0X__.
2415 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2418 * builtins.h (c_strlen): Do not warn here.
2419 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2420 * c-common.c (pointer_int_sum): Take an explicit location.
2421 Warn about offsets out of bounds.
2422 * c-common.h (pointer_int_sum): Adjust declaration.
2424 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2426 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2429 2009-03-26 Jakub Jelinek <jakub@redhat.com>
2432 * opts.c (warn_if_disallowed_function_p): Don't assume
2433 get_callee_fndecl must return non-NULL.
2435 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
2437 PR rtl-optimization/39522
2438 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2439 when reg_reloaded_valid is set.
2441 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2443 * config/spu/divv2df3.c: New file.
2444 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2445 (DPBIT_FUNCS): Filter out _div_df.
2447 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
2449 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2450 a jump insn, count that jump in the distance to the loop start.
2452 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * config/sh/sh.c (calc_live_regs): Fix condition for global
2456 registers except PIC_OFFSET_TABLE_REGNUM.
2458 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
2461 * doc/invoke.texi (-mconsole): New.
2465 (-mnop-fun-dllimport): New.
2469 (sub section "i386 and x86-64 Windows Options"): New.
2471 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
2473 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2474 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2476 2009-03-25 Richard Guenther <rguenther@suse.de>
2479 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2482 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
2484 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2485 neither of haifa/selective schedulers are working.
2487 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2489 * doc/invoke.texi (Debugging Options): Fix description of
2490 -fno-merge-debug-strings.
2492 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
2494 * config/cris/libgcc.ver: New version-script.
2495 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2497 * configure.ac <GAS features, nop mnemonic>: Add pattern
2498 crisv32-*-* for "nop".
2499 <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2500 * configure: Regenerate.
2502 2009-03-24 Ira Rosen <irar@il.ibm.com>
2504 PR tree-optimization/39529
2505 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2506 mark_sym_for_renaming for the tag copied to the new vector
2509 2009-03-24 Arthur Loiret <aloiret@debian.org>
2511 * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2512 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2513 EXTRA_SPEC_FUNCTIONS.
2514 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2515 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2516 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2517 -march and -mtune options.
2519 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
2521 * config/m68k/t-rtems: Add m5329 multilib.
2523 2009-03-24 Dodji Seketeli <dodji@redhat.com>
2524 Jakub Jelinek <jakub@redhat.com>
2527 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2530 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2533 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2534 instead of c_parser_expression_conv, if original_code isn't one of the
2535 4 allowed comparison codes, fail.
2537 2009-03-23 Richard Guenther <rguenther@suse.de>
2539 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2540 * tree.h (struct tree_type): Likewise.
2541 * reload.h (struct insn_chain): Likewise.
2542 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2543 * function.h (struct function): Likewise.
2544 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2546 2009-03-23 Jakub Jelinek <jakub@redhat.com>
2548 PR tree-optimization/39516
2549 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2551 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
2553 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
2554 should be set true if BITS_PER_WORD of target is bigger than 32
2556 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
2558 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2559 Translate -B-options to -rpath-link. Correct existing
2560 rpath-link and conditionalize on !nostdlib.
2562 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2564 * doc/extend.texi (Function Attributes, Variable Attributes):
2566 * doc/invoke.texi (Debugging Options, Optimize Options)
2567 (i386 and x86-64 Options, MCore Options): Likewise.
2569 2009-03-20 Jakub Jelinek <jakub@redhat.com>
2572 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2573 it for block local namespace aliases.
2574 (gen_decl_die): Pass context_die to gen_namespace_die.
2576 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2579 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2580 minimum or maximum value.
2582 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
2584 * reginfo.c (globalize_reg): Recompute derived reg sets.
2586 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
2589 * libgcc2.c (mprotect): Do not use signed arguments for
2590 VirtualProtect, use DWORD arguments. Also fix the 'may
2591 be used uninitialized' warning for the np variable.
2593 2009-03-19 Jakub Jelinek <jakub@redhat.com>
2596 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2597 functions using regparm calling conventions when not optimizing.
2598 (ix86_function_sseregparm): Similarly for sseregparm calling
2601 2009-03-19 Li Feng <nemokingdom@gmail.com>
2604 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2605 dependence if the first conflict is after niter iterations.
2607 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
2610 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2611 functions with dynamic stack-pointer adjustments.
2613 2009-03-19 Ben Elliston <bje@au.ibm.com>
2615 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2616 option; change to -msdata=data.
2618 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2620 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2623 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
2626 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2628 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
2630 * doc/invoke.texi (Code Gen Options): Expand discussion of
2633 2009-03-18 Jakub Jelinek <jakub@redhat.com>
2635 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2636 * matrix-reorg.c (struct matrix_info): Likewise.
2637 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2638 * rtl.h (struct mem_attrs): Likewise.
2639 * df.h (struct df): Likewise.
2640 * tree-data-ref.h (struct data_dependence_relation): Likewise.
2641 * ira-int.h (struct ira_allocno): Likewise.
2642 * df-scan.c (struct df_collection_rec): Likewise.
2643 * ira.c (struct equivalence): Likewise.
2644 * function.c (struct temp_slot): Likewise.
2645 * cfgloop.h (struct loop): Likewise.
2648 * function.c (use_register_for_decl): When not optimizing, disregard
2649 register keyword for variables with types containing methods.
2651 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
2654 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2655 (is_simple_operand): Call contains_component_ref_p before calling data
2656 reference analysis that would fail on COMPONENT_REFs.
2658 * tree-vrp.c (search_for_addr_array): Fix formatting.
2660 2009-03-18 Richard Guenther <rguenther@suse.de>
2662 * tree-vect-transform.c (vect_loop_versioning): Fold the
2663 generated comparisons.
2664 * tree-vectorizer.c (set_prologue_iterations): Likewise.
2665 (slpeel_tree_peel_loop_to_edge): Likewise.
2667 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2670 * opts.c (print_specific_help): In addition to `undocumented',
2671 accept `separate' and `joined' flags if passed alone. Describe
2672 output by the first matched one of those.
2673 (common_handle_option): Skip over empty strings.
2674 * gcc.c (display_help): Fix help string for `--help='.
2675 * doc/invoke.texi (Option Summary, Overall Options): With
2676 `--help=', classes and qualifiers can both be repeated, but
2677 only the latter can be negated. One should not pass only
2678 negated qualifiers. Fix markup and examples.
2681 2008-10-14 Jakub Jelinek <jakub@redhat.com>
2683 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2684 and -fhelp=separate.
2686 2009-03-17 Jing Yu <jingyu@google.com>
2689 * function.h (struct rtl_data): Move is_thunk from here...
2690 (struct function): ...to here.
2691 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2692 * varasm.c (assemble_start_function): Change is_thunk from crtl to
2694 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2696 (alpha_does_function_need_gp, alpha_start_function): Likewise.
2697 (alpha_output_function_end_prologue): Likewise.
2698 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2699 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2700 (rs6000_output_function_epilogue): Likewise.
2701 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2703 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
2706 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2707 from different units in a single alternative.
2708 (*truncdfsf_i387): Ditto.
2709 (*truncxfsf2_mixed): Ditto.
2710 (*truncxfdf2_mixed): Ditto.
2712 2009-03-17 Jakub Jelinek <jakub@redhat.com>
2714 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2715 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2718 * tree-ssa-live.c (remove_unused_locals): Don't remove local
2719 unused non-artificial variables when not optimizing.
2722 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2723 DW_TAG_imported_module even if decl is IMPORTED_DECL with
2724 NAMESPACE_DECL in its DECL_INITIAL.
2727 * optabs.c (set_user_assembler_libfunc): New function.
2728 * expr.h (set_user_assembler_libfunc): New prototype.
2729 * c-common.c: Include libfuncs.h.
2730 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2731 for memcmp, memset, memcpy, memmove and abort.
2732 * Makefile.in (c-common.o): Depend on libfuncs.h.
2735 * dwarf2out.c (gen_inlined_enumeration_type_die,
2736 gen_inlined_structure_type_die, gen_inlined_union_type_die,
2737 gen_tagged_type_instantiation_die): Removed.
2738 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2741 2009-03-17 Janis Johnson <janis187@us.ibm.com>
2744 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2746 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2747 (check-parallel-%): Ditto.
2748 (check-consistency): Ditto.
2750 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
2752 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2753 local variable rhs by NULL_TREE.
2755 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2758 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2760 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2763 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2765 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
2768 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2769 for ms->sysv ABI calls only in 64bit mode.
2771 * config/i386/i386.md (untyped_call): Support 32bit.
2773 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
2775 * doc/extend.texi: Replace x86_65 with x86_64.
2777 2009-03-16 Jakub Jelinek <jakub@redhat.com>
2779 PR tree-optimization/39455
2780 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2781 mismatches for POINTER_TYPE_P (type).
2782 (number_of_iterations_le): Likewise.
2784 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2786 * config/picochip/picochip.c: Removed profiling support.
2787 * config/picochip/picochip.md: Removed profiling instruction.
2788 * config/picochip/picochip.h: Removed profiling builtin.
2790 2009-03-16 Joseph Myers <joseph@codesourcery.com>
2792 * doc/install.texi (--with-host-libstdcxx): Document.
2794 2009-03-14 Anatoly Sokolov <aesok@post.ru>
2797 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2798 generate a warning if the function name does not begin with
2799 "__vector" and the function has either the 'signal' or 'interrupt'
2800 attribute, from here to ...
2801 (avr_declare_function_name): ...here. New function.
2802 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2803 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2805 2009-03-14 Jakub Jelinek <jakub@redhat.com>
2808 * cse.c (fold_rtx): Don't modify original const_arg1 when
2809 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2810 separate variable instead.
2811 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2812 from out of range shift counts.
2813 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2815 2008-03-13 Catherine Moore <clm@codesourcery.com>
2817 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2818 diagnostic.h with $(DIAGNOSTIC_H).
2820 2008-03-12 Jakub Jelinek <jakub@redhat.com>
2823 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2825 * config/i386/sync.md (sync_compare_and_swap<mode>,
2826 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2827 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2829 (sync_double_compare_and_swapdi_pic,
2830 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2831 cmpxchg8b_pic_memory_operand instead of just memory_operand.
2833 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2836 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2838 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2841 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2842 (avx_addsubv4df3): Likewise.
2843 (*avx_addsubv4sf3): Likewise.
2844 (sse3_addsubv4sf3): Likewise.
2846 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
2849 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2851 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
2854 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2855 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2856 registers for allocnos created from user-defined variables.
2858 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2861 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2862 of non-integer mode as well.
2864 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
2866 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2867 for functions for which the parameter types are unknown.
2869 2009-03-11 Jakub Jelinek <jakub@redhat.com>
2872 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2873 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2874 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2875 * config/i386/i386.c (ix86_local_alignment): For
2876 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2877 long long variables on the stack to avoid dynamic realignment.
2878 Allow the first argument to be a decl rather than type.
2879 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2881 2009-03-11 Nick Clifton <nickc@redhat.com>
2884 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2886 Add description to mno-lsim option.
2887 * config/mcore/mcore.h: Remove comment about deprecated m4align
2889 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2890 * doc/invoke.texi: Add description of mno-lsim and
2891 mstack-increment options.
2893 * config/fr30/fr30.opt: Document the -mno-lsim option.
2894 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2895 and -mno-lsim options.
2897 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2899 * fold-const.c (fold_comparison): Only call fold_inf_compare
2900 if the mode supports infinities.
2902 2009-03-11 Jason Merrill <jason@redhat.com>
2905 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2906 end already did. Notice GIMPLE_CALL modifications of the result.
2907 Don't copy debug information from an ignored decl or a decl from
2910 2009-03-10 Richard Guenther <rguenther@suse.de>
2911 Nathan Froyd <froydnj@codesourcery.com>
2914 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2915 (__divMODE3): Likewise.
2917 2009-03-09 Jakub Jelinek <jakub@redhat.com>
2919 PR tree-optimization/39394
2920 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2921 DECL_SIZE_UNIT of variable length FIELD_DECLs.
2923 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2925 * recog.c (verfiy_changes): Disallow renaming of hard regs in
2926 inline asms for register asm ("") declarations.
2928 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
2930 * fold-const.c (fold_unary): Fix comment.
2932 2009-03-07 Jan Hubicka <jh@suse.cz>
2935 * tree-inline.c (setup_one_parameter): Do replacement of const
2936 argument by constant in SSA form.
2938 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2941 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2942 determine alignment passed to assign_stack_local.
2943 (assign_parms_unsplit_complex): Likewise.
2944 * except.c (sjlj_build_landing_pads): Likewise.
2946 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2949 * tree-flow.h (add_referenced_var): Return bool instead of void.
2950 * tree-dfa.c (add_referenced_var): Return result of
2951 referenced_var_check_and_insert call.
2952 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2953 of referenced_var_check_and_insert.
2956 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2957 (gen_variable_die): Emit DW_AT_location on abstract static variable's
2958 DIE, don't emit it if abstract origin already has it.
2959 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2960 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2962 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2964 * genpreds.c (needs_variable): Fix parentheses at variable name
2966 (write_tm_constrs_h): Indent generated code.
2968 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2970 * doc/extend.texi (Function Attributes): Add documentation
2973 2009-03-06 Jakub Jelinek <jakub@redhat.com>
2976 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
2977 take locus from its DECL_SOURCE_LOCATION instead of input_location.
2979 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
2981 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
2984 2009-03-05 Jakub Jelinek <jakub@redhat.com>
2987 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
2988 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2990 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
2992 * config/i386/i386.md (R8_REG, R9_REG): New constants.
2993 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
2994 constants instead of magic numbers.
2995 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
2997 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
2998 (x86_64_ms_abi_int_parameter_registers): Ditto.
2999 (x86_64_int_return_registers): Ditto.
3000 (ix86_maybe_switch_abi): Ditto.
3001 (ix86_expand_call): Ditto for clobbered_registers array.
3002 (ix86_hard_regno_mode_ok): Ditto.
3003 (x86_extended_QIreg_mentioned_p): Ditto.
3005 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3007 PR tree-optimization/39349
3008 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3010 * combine.c (gen_lowpart_for_combine): Use omode when generating
3013 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
3015 PR rtl-optimization/39235
3016 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3018 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3020 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3022 2009-03-04 Richard Guenther <rguenther@suse.de>
3024 PR tree-optimization/39362
3025 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3026 that occur in abnormal PHIs should be varying.
3028 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3030 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3032 (simple_iv): Take loop as an argument instead of statement.
3033 * tree-scalar-evolution.h (simple_iv): Declaration changed.
3034 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3036 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3038 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3039 * matrix-reorg.c (analyze_transpose): Ditto.
3040 * tree-data-ref.c (dr_analyze_innermost): Ditto.
3041 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3042 * tree-predcom.c (ref_at_iteration): Ditto.
3043 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3045 2009-03-04 Richard Guenther <rguenther@suse.de>
3047 PR tree-optimization/39358
3048 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3049 escaped_id and callused_id.
3050 (solve_graph): Likewise.
3052 2009-03-04 Richard Guenther <rguenther@suse.de>
3054 PR tree-optimization/39339
3055 * tree-sra.c (try_instantiate_multiple_fields): Make it
3056 no longer ICE on the above.
3058 2009-03-03 Joseph Myers <joseph@codesourcery.com>
3060 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3061 that fits within Pmode.
3063 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3066 * tm.texi (LIBCALL_VALUE): Update description.
3068 2009-03-03 Steve Ellcey <sje@cup.hp.com>
3071 * doc/extend.texi (section): Update description.
3073 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
3076 * tree-inline.c (remapped_type): New.
3077 (can_be_nonlocal): Call remapped_type instead of remap_type.
3079 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3082 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3083 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3085 2009-03-03 Richard Guenther <rguenther@suse.de>
3088 * tree.c (tree_nonartificial_location): New function.
3089 * tree.h (tree_nonartificial_location): Declare.
3090 * builtins.c (expand_builtin_memory_chk): Provide location
3091 of the call location for artificial function pieces.
3092 (maybe_emit_chk_warning): Likewise.
3093 (maybe_emit_sprintf_chk_warning): Likewise.
3094 (maybe_emit_free_warning): Likewise.
3095 * expr.c (expand_expr_real_1): Likewise.
3097 2009-03-03 Jakub Jelinek <jakub@redhat.com>
3099 PR tree-optimization/39343
3100 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3101 COMPONENT_REF t has ARRAY_TYPE.
3103 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
3106 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3107 when the type precision of the induction variable should be
3108 larger than the type precision of nit.
3109 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3110 * graphite.c (graphite_loop_normal_form): Same.
3111 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3113 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3116 (*call_1_rex64_ms_sysv): Use named constants instead of magic
3117 numbers to describe clobbered registers.
3118 (*call_value_0_rex64_ms_sysv): Ditto.
3119 * config/i386/mmx.md (mmx_emms): Ditto.
3122 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
3124 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3127 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3129 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3130 (spu_section_type_flags): New function.
3132 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
3134 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3135 reg_class_contents of FLOAT_REGS into a temporary.
3137 2009-03-02 Richard Guenther <rguenther@suse.de>
3138 Ira Rosen <irar@il.ibm.com>
3140 PR tree-optimization/39318
3141 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3142 information to the vectorized statement.
3144 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
3146 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3147 variable. Use defined names instead of magic constants for REX SSE
3150 2009-03-01 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/39331
3153 * omp-low.c (lower_send_shared_vars): Do not receive new
3154 values for the reference of DECL_BY_REFERENCE parms or results.
3156 2009-03-01 Jan Hubicka <jh@suse.cz>
3159 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3160 BLOCK_NONLOCALIZED_VAR): New macros.
3161 (tree_block): Add nonlocalized_vars.
3162 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3163 gen_decl_die): Add origin argument. Allow generation of die with
3164 origin at hand only.
3165 (gen_member_die, gen_type_die_with_usage, force_decl_die,
3166 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3168 (gen_block_die): Fix checking for unused blocks.
3169 (process_scope_var): Break out from .... ; work with origins only.
3170 (decls_for_scope) ... here; process nonlocalized list.
3171 (dwarf2out_ignore_block): Look for nonlocalized vars.
3172 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3174 (dump_scope_block): Dump them.
3175 * tree-inline.c (remap_decls): Handle nonlocalized vars.
3176 (remap_block): Likewise.
3177 (can_be_nonlocal): New predicate.
3178 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3180 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3182 * configure: Regenerate.
3184 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3186 * optc-gen.awk: No need to duplicate option flags twice.
3187 Reuse help texts for duplicate options which do not have any.
3189 * gcc.c (display_help): Document --version.
3191 * gcc.c (main): If print_help_list and verbose_flag, ensure
3192 driver output comes before subprocess output.
3194 * optc-gen.awk: Assign all remaining fields to help string,
3195 space-separated, for multi-line help in *.opt.
3197 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3198 -Wno-pedantic-ms-format is for MinGW targets only.
3200 * doc/options.texi (Option file format): Fix bad indentation,
3201 restoring dropped sentence.
3203 2009-02-28 Jan Hubicka <jh@suse.cz>
3205 * tree-inline.c (tree_function_versioning): Output debug info.
3207 2009-02-28 Jan Hubicka <jh@suse.cz>
3210 * tree-inline.c (setup_one_parameter): Do not copy propagate
3211 arguments when not optimizing.
3213 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
3216 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3217 (avx_addsubv4df3): Likewise.
3218 (*avx_addsubv4sf3): Likewise.
3219 (sse3_addsubv4sf3): Likewise.
3220 (*avx_addsubv2df3): Likewise.
3221 (sse3_addsubv2df3): Likewise.
3222 (avx_unpckhps256): Correct item selectors.
3223 (avx_unpcklps256): Likewise.
3224 (avx_unpckhpd256): Likewise.
3225 (avx_unpcklpd256): Likewise.
3227 2009-02-28 Jan Hubicka <jh@suse.cz>
3229 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3231 (copy_arguments_for_versioning): If var is declared don't declare it.
3232 (tree_function_versioning): First setup substitutions and then copy
3235 2009-02-27 Jan Hubicka <jh@suse.cz>
3238 * cgraph.h (varpool_output_debug_info): Remove.
3239 * cgraphunit.c (varpool_output_debug_info): Remove.
3240 * dwarf2out.c (deferred_locations_struct): New struct
3241 (deferred_locations): New type.
3242 (deferred_locations_list): New static var.
3243 (deffer_location): New function.
3244 (gen_variable_die): Use it.
3245 (decls_for_scope): Output info on local static vars.
3246 (dwarf2out_finish): Process deferred locations.
3247 * varpool.c (varpool_output_debug_info): Remove.
3249 2009-02-27 Jan Hubicka <jh@suse.cz>
3252 * tree.h (TREE_PROTECTED): Fix comment.
3253 (BLOCK_HANDLER_BLOCK): Remove.
3254 (struct tree_block): Remove handler_block add body_block.
3255 (inlined_function_outer_scope_p): New.
3256 (is_body_block): Remove.
3257 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3258 * dwarf2out.c (is_inlined_entry_point): Remove.
3259 (add_high_low_attributes): Use inlined_function_outer_scope_p.
3260 (gen_block_die): Use is_inlined_entry_point check. Remove body block
3262 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3263 * gimplify.c (gimplify_expr): Gimplify body blocks.
3264 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3265 block with multiple subblocks.
3266 (dump_scope_block): Prettier output; dump more flags and info.
3267 (dump_scope_blocks): New.
3268 (remove_unused_locals): Use dump_scope_blocks.
3269 * tree-flow.h (dump_scope_blocks): Declare.
3270 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3271 * stmt.c (is_body_block): Remove.
3272 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3273 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3275 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
3278 * graphite.c (graphite_loop_normal_form): Do not call
3279 number_of_iterations_exit from a gcc_assert.
3281 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3283 * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3284 jumps if COND is NULL.
3285 (find_cond_jump): New function.
3286 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3287 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3289 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
3291 * config/alpha/alpha.h (alpha_expand_mov): Return false if
3292 force_const_mem returns NULL_RTX.
3294 2009-02-26 Jan Hubicka <jh@suse.cz>
3297 * cgraph.h (varpool_output_debug_info): Remove.
3298 * cgraphunit.c (varpool_output_debug_info): Remove.
3299 * dwarf2out.c (deferred_locations_struct): New struct
3300 (deferred_locations): New type.
3301 (deferred_locations_list): New static var.
3302 (deffer_location): New function.
3303 (gen_variable_die): Use it.
3304 (decls_for_scope): Output info on local static vars.
3305 (dwarf2out_finish): Process deferred locations.
3306 * varpool.c (varpool_output_debug_info): Remove.
3308 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
3310 PR rtl-optimization/39241
3311 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3312 to subreg_offset_representable_p.
3314 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3316 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3317 execute function prototype. Get f and nregs from max_reg_num
3318 and get_insns. Remove the first backward pass as it's dead,
3319 guard the forward pass by flag_expensive_optimizations.
3320 (rest_of_handle_regmove): Delete.
3321 (pass_regmove): Replace it with regmove_optimize.
3323 2009-02-25 Martin Jambor <mjambor@suse.cz>
3325 PR tree-optimization/39259
3326 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3327 calls_alloca function flags.
3328 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3331 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
3333 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3334 flags_set_1_rtx, flags_set_1_set): Delete.
3335 (regmove_optimize): Do not call mark_flags_life_zones.
3337 2009-02-24 Julian Brown <julian@codesourcery.com>
3340 * config/arm/arm.c (require_pic_register): Only set
3341 cfun->machine->pic_reg once per function.
3343 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
3345 * doc/invoke.texi (Link Options): Document an easier way to pass
3346 options that take arguments to the GNU linker using -Xlinker and -Wl.
3348 2009-02-24 Steve Ellcey <sje@cup.hp.com>
3351 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3353 2009-02-24 Richard Guenther <rguenther@suse.de>
3356 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3358 2009-02-24 Richard Guenther <rguenther@suse.de>
3359 Zdenek Dvorak <ook@ucw.cz>
3361 PR tree-optimization/39233
3362 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3363 from converting them to a generic type.
3365 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
3367 PR tree-optimization/39260
3368 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3369 contains a condition with a real type.
3370 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3372 2009-02-23 Jason Merrill <jason@redhat.com>
3375 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3376 narrowing_initializer_constant_valid_p.
3377 (narrowing_initializer_constant_valid_p): Don't return
3378 null_pointer_node for adding a pointer to itself.
3380 2009-02-23 Jan Hubicka <jh@suse.cz>
3383 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3386 2009-02-23 Jan Hubicka <jh@suse.cz>
3388 PR tree-optimization/37709
3389 * tree.c (block_ultimate_origin): Move here from dwarf2out.
3390 * tree.h (block_ultimate_origin): Declare.
3391 * dwarf2out.c (block_ultimate_origin): Move to tree.c
3392 * tree-ssa-live.c (remove_unused_scope_block_p):
3393 Eliminate blocks containig no instructions nor live variables nor
3395 (dump_scope_block): New function.
3396 (remove_unused_locals): Enable removal of dead blocks by default;
3397 enable dumping at TDF_DETAILS.
3399 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3401 * config/i386/i386.c (classify_argument): Don't allow COImode
3403 (function_arg_advance_32): Don't allow OImode.
3404 (function_arg_32): Likewise.
3405 (function_value_32): Likewise.
3406 (return_in_memory_32): Likewise.
3407 (function_arg_64): Remove OImode comment.
3409 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3412 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3413 ix86_expand_vector_set for V4DImode in 64bit mode only.
3414 (ix86_expand_vector_init_one_var): Likewise.
3416 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
3418 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3420 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3423 * loop-iv.c: Revert last change.
3424 * emit-rtl.c: Likewise.
3426 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
3429 * config/i386/i386.c (type_natural_mode): Remove an extra
3430 space in the warning message.
3431 (function_value_32): Handle 32-byte vector modes.
3432 (return_in_memory_32): Likewise.
3434 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
3436 * loop-iv.c (truncate_value): New function.
3437 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3439 (lowpart_subreg): Move to...
3440 * emit-rtl.c: ...here.
3442 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
3444 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3445 accidental and undocumented change at revision 140860.
3447 2009-02-21 Joseph Myers <joseph@codesourcery.com>
3449 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3450 take gimple_seq * arguments.
3451 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3452 types_compatible_p langhook.
3454 2009-02-20 Mark Mitchell <mark@codesourcery.com>
3455 Joseph Myers <joseph@codesourcery.com>
3457 * config/arm/arm.c (arm_builtin_va_list): New function.
3458 (arm_expand_builtin_va_start): Likewise.
3459 (arm_gimplify_va_arg_expr): Likewise.
3460 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3461 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3462 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3463 (va_list_type): New variable.
3464 (arm_mangle_type): Mangle va_list_type appropriately.
3466 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3469 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3470 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3471 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3472 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3473 parameter to 1000 for -O1 by default.
3474 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3476 * loop-invariant.c: Include params.h.
3477 (move_loop_invariants): Don't call move_single_loop_invariants on
3480 2009-02-20 Jaka Mocnik <jaka@xlab.si>
3482 * calls.c (emit_library_call_value_1): Use slot_offset instead of
3483 offset when calculating bounds for indexing stack_usage_map. Fixes
3484 a buffer overflow with certain target setups.
3486 2009-02-20 Jakub Jelinek <jakub@redhat.com>
3489 * calls.c (expand_call): Clear try_tail_call if caller and callee
3490 disagree in promotion of function return value.
3492 2009-02-19 Jakub Jelinek <jakub@redhat.com>
3495 * c-common.c (c_determine_visibility): If visibility changed and
3496 DECL_RTL has been already set, call make_decl_rtl to update symbol
3499 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
3502 * varasm.c (assemble_variable): Don't check DECL_NAME when
3503 globalizing a variable.
3505 2009-02-19 Joseph Myers <joseph@codesourcery.com>
3508 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3509 expression before any __builtin_trap call.
3510 * c-typeck.c (build_function_call): Convert and check function
3511 arguments before generating a call to a trap. Evaluate the
3512 function arguments before the trap.
3514 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
3517 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3518 (UNSPEC_FXAM_MEM): New unspec.
3519 (fxam<mode>2_i387_with_temp): New insn and split pattern.
3520 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
3521 memory using fxam<mode>2_i387_with_temp to remove excess precision.
3523 2009-02-19 Richard Guenther <rguenther@suse.de>
3525 PR tree-optimization/39207
3526 PR tree-optimization/39074
3527 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3528 storedanything_tree): New.
3529 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
3530 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3531 (build_succ_graph): Add edges from STOREDANYTHING to all
3533 (init_base_vars): Initialize STOREDANYTHING.
3534 (compute_points_to_sets): Free substitution info after
3535 building the succ graph.
3536 (ipa_pta_execute): Likewise.
3538 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3540 (do_ds_constraint): Do not add to special var or non-pointer
3542 (type_could_have_pointers): Split out from ...
3543 (could_have_pointers): ... here. For arrays use the element type.
3544 (create_variable_info_for): Initialize may_have_pointers.
3545 (new_var_info): Likewise.
3546 (handle_lhs_call): Make the HEAP variable unknown-sized.
3547 (intra_create_variable_infos): Use a type with pointers for
3548 PARM_NOALIAS, make it unknown-sized.
3550 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
3553 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3555 2009-02-18 Jason Merrill <jason@redhat.com>
3558 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3559 value if DECL_EXTERNAL.
3560 * tree-sra.c (sra_walk_gimple_assign): Likewise.
3561 * target.h (gcc_target::binds_local_p): Clarify "module".
3562 * tree.h (TREE_PUBLIC): Clarify "module".
3564 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
3567 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3568 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3570 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
3573 * c.opt (Wabi): Support C and ObjC.
3576 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3578 * config/i386/i386.c (classify_argument): Warn once about the ABI
3579 change when passing union with long double.
3581 * doc/invoke.texi: Update -Wabi for warning psABI changes.
3583 2009-02-18 Joseph Myers <joseph@codesourcery.com>
3586 * c-parser.c (c_parser_compound_statement): Always enter and leave
3589 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3592 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3594 2009-02-18 Jakub Jelinek <jakub@redhat.com>
3596 PR tree-optimization/36922
3597 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3598 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3601 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3603 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3606 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3608 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3610 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
3612 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3615 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
3616 Richard Sandiford <rdsandiford@googlemail.com>
3618 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3619 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3620 (loongson_biadd): ...this.
3622 2009-02-17 Richard Guenther <rguenther@suse.de>
3624 PR tree-optimization/39202
3625 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3626 a var make sure to follow existing collapses.
3628 2009-02-17 Richard Guenther <rguenther@suse.de>
3631 * langhooks.c (lhd_print_error_function): Check for NULL block.
3633 2009-02-17 Richard Guenther <rguenther@suse.de>
3635 PR tree-optimization/39204
3636 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3639 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
3641 * config/soft-fp/double.h: Update from glibc CVS.
3643 2009-02-17 Richard Guenther <rguenther@suse.de>
3645 PR tree-optimization/39207
3646 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3647 strict-aliasing warnings for pointers pointing to NULL.
3649 2009-02-16 Joseph Myers <joseph@codesourcery.com>
3652 * c-parser.c (c_parser_braced_init): Call pop_init_level when
3653 skipping until next close brace.
3655 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
3658 * config/i386/i386.c (ix86_expand_push): Set memory alignment
3659 to function argument boundary.
3661 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3663 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3664 in the lea_add. Reload eventually constraints it properly.
3665 * config/picochip/constraints.md : Remove the target constraint
3666 "b", since it is not needed anymore.
3668 2009-02-16 Jakub Jelinek <jakub@redhat.com>
3670 * gthr-dce.h: Uglify function parameter and local variable names.
3671 * gthr-gnat.h: Likewise.
3672 * gthr-mipssde.h: Likewise.
3673 * gthr-nks.h: Likewise.
3674 * gthr-posix95.h: Likewise.
3675 * gthr-posix.h: Likewise.
3676 * gthr-rtems.h: Likewise.
3677 * gthr-single.h: Likewise.
3678 * gthr-solaris.h: Likewise.
3679 * gthr-tpf.h: Likewise.
3680 * gthr-vxworks.h: Likewise.
3681 * gthr-win32.h: Likewise.
3683 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
3686 * config/i386/i386.md: Restrict the new peephole2 to move
3687 between MMX/SSE registers.
3689 2009-02-15 Richard Guenther <rguenther@suse.de>
3692 2009-02-13 Richard Guenther <rguenther@suse.de>
3694 * configure.ac: Enable LFS.
3695 * configure: Re-generate.
3696 * config.in: Likewise.
3698 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3700 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3701 spu_srqwbyte, spu_srqwbytebc): Define.
3702 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3703 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3704 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3705 "shrqby_<mode>"): New insn-and-split patterns.
3706 * config/spu/spu.c (expand_builtin_args): Determine and return
3707 number of operands using spu_builtin_description data.
3708 (spu_expand_builtin_1): Use it.
3710 2009-02-13 Steve Ellcey <sje@cup.hp.com>
3713 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3716 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3719 * config/i386/i386.c (override_options): Correct warning
3720 messages for -malign-loops, -malign-jumps and -malign-functions.
3722 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3725 * config/i386/i386.md: Restrict the new peephole2 to move
3726 between the general purpose registers.
3728 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
3731 * config/i386/i386.c (type_natural_mode): Add a new argument.
3732 Return the original mode and warn ABI change if vector size is 32byte.
3733 (function_arg_advance): Updated.
3734 (function_arg): Likewise.
3735 (ix86_function_value): Likewise.
3736 (ix86_return_in_memory): Likewise.
3737 (ix86_sol10_return_in_memory): Likewise.
3738 (ix86_gimplify_va_arg): Likewise.
3739 (function_arg_32): Don't warn ABX ABI change here.
3740 (function_arg_64): Likewise.
3742 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
3744 * loop-iv.c (implies_p): In the final case, test that operands 0
3745 of the two comparisons match.
3747 * config/bfin/bfin.c (find_prev_insn_start): New function.
3748 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3749 (find_next_insn_start): Move.
3751 2009-02-13 Richard Guenther <rguenther@suse.de>
3753 * configure.ac: Enable LFS.
3754 * configure: Re-generate.
3755 * config.in: Likewise.
3757 2009-02-13 Joseph Myers <joseph@codesourcery.com>
3760 * c-parser.c (c_parser_parms_list_declarator): Discard pending
3761 sizes on syntax error after some arguments have been parsed.
3763 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3765 * doc/invoke.texi (-fira): Remove.
3767 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3769 * caller-save.c: Replace regclass.c with reginfo.c in comments.
3770 * recog.c: Likewise.
3773 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
3775 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3776 (umul_ppmm): Likewise.
3777 (count_leading_zeros): Likewise.
3778 (count_trailing_zeros): Likewise.
3779 (UMUL_TIME): Likewise.
3781 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3783 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3784 soft-fp/t-softfp to tmake_file.
3786 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3787 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3788 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3789 IA64_BUILTIN_INFQ]: New.
3790 (ia64_init_builtins): Initialize __builtin_infq,
3791 __builtin_fabsq and __builtin_copysignq if not HPUX.
3792 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3793 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3795 * config/ia64/lib1funcs.asm (__divtf3): Define only if
3797 (__fixtfti): Likewise.
3798 (__fixunstfti): Likewise.
3799 (__floattitf): Likewise.
3801 * config/ia64/libgcc-glibc.ver: New.
3802 * config/ia64/t-fprules-softfp: Likewise.
3803 * config/ia64/sfp-machine.h: Likewise.
3805 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3806 (LIBGCC2_TF_CEXT): Likewise.
3807 (TF_SIZE): Likewise.
3808 (TARGET_INIT_LIBFUNCS): Likewise.
3810 * config/ia64/t-glibc (SHLINB_MAPFILES):
3811 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3813 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
3815 * config/i386/i386.c (construct_container): Rewrite processing
3816 BLKmode with X86_64_SSE_CLASS.
3818 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
3821 * config/i386/i386.md: Replace simplify_replace_rtx with
3822 replace_rtx in the new peephole2.
3824 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
3826 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3827 loop unrolling do not happen at -O2.
3829 2009-02-12 Michael Matz <matz@suse.de>
3831 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3833 2009-02-12 Jakub Jelinek <jakub@redhat.com>
3835 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3838 2009-02-12 Ben Elliston <bje@au.ibm.com>
3840 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3841 patterns when updating the back chain. Missed in the 2009-02-10
3844 2009-02-11 Janis Johnson <janis187@us.ibm.com>
3846 * doc/extend.texi (Decimal Floating Types): Update identifier of
3847 draft TR and list of missing support.
3849 2009-02-11 Jakub Jelinek <jakub@redhat.com>
3852 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3853 bit to variable length decl's flags, add it also to its
3854 pointer replacement variable.
3856 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
3857 Jakub Jelinek <jakub@redhat.com>
3860 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3861 (memory_blockage): New expander.
3862 (*memory_blockage): New insn pattern.
3863 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3864 instead of general blockage at the end of function prologue when
3865 frame pointer is used to access red zone area. Do not emit blockage
3866 when profiling, it is emitted in generic code.
3867 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3868 function epilogue when frame pointer is used to access red zone area.
3870 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
3873 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3874 by arithmetic with memory operands.
3875 * config/i386/predicates.md (commutative_operator): New.
3877 2009-02-10 Janis Johnson <janis187@us.ibm.com>
3879 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3882 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
3884 * alias.h (record_alias_subset): Declare.
3885 * alias.c (record_alias_subset): Make global.
3887 2009-02-10 Nick Clifton <nickc@redhat.com>
3889 * tree-parloops.c: Change license to GPLv3.
3890 * ipa-struct-reorg.c: Change license to GPLv3.
3891 * ipa-struct-reorg.h: Change license to GPLv3.
3893 2009-02-10 Steve Ellcey <sje@cup.hp.com>
3896 * c-decl.c (start_struct): Return NULL on error.
3898 2009-02-10 Jakub Jelinek <jakub@redhat.com>
3901 * cfgloopmanip.c (remove_path): Call remove_bbs after
3902 cancel_loop_tree, not before it.
3905 * function.h (struct function): Add has_local_explicit_reg_vars bit.
3906 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3907 VAR_DECLs were seen.
3908 * tree-ssa-live.c (remove_unused_locals): Recompute
3909 cfun->has_local_explicit_reg_vars.
3910 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3911 copies or clearings if cfun->has_local_explicit_reg_vars.
3913 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
3916 * config/i386/i386.c (expand_prologue): Emit blockage at the end
3917 of function prologue when frame pointer is used to access
3920 2009-02-10 Richard Guenther <rguenther@suse.de>
3923 * gimplify.c (gimple_regimplify_operands): Always look if
3924 we need to create a temporary.
3926 2009-02-10 Richard Guenther <rguenther@suse.de>
3928 PR tree-optimization/39132
3929 * tree-loop-distribution.c (todo): New global var.
3930 (generate_memset_zero): Trigger TODO_rebuild_alias.
3931 (tree_loop_distribution): Return todo.
3933 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
3936 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3937 (x86_64_reg_class_name): Removed.
3938 (classify_argument): Return 0 if bytes > 32. Return 0 if the
3939 first one isn't X86_64_SSE_CLASS or any other ones aren't
3940 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
3941 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3942 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
3943 and 3 X86_64_SSEUP_CLASS.
3944 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
3945 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3947 2009-02-10 Ben Elliston <bje@au.ibm.com>
3949 * config/rs6000/rs6000.md (allocate_stack): Always use an update
3950 form instruction to update the stack back chain word, even if the
3951 user has disabled the generation of update instructions.
3952 (movdi_<mode>_update_stack): New.
3953 (movsi_update_stack): Likewise.
3954 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3955 always use an update form instruction to update the stack back
3958 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
3961 * graphite.c (if_region_set_false_region): After moving a region in
3962 the false branch of a condition, remove the empty dummy basic block.
3963 (gloog): Remove wrong fix for PR38953.
3965 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3967 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
3968 generation due to implicit sign extension.
3970 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
3973 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
3974 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
3976 2009-02-09 Richard Guenther <rguenther@suse.de>
3979 * convert.c (convert_to_real): Disable (float)fn((double)x)
3980 to fnf(x) conversion if errno differences may occur and
3981 -fmath-errno is set.
3983 2009-02-07 Anatoly Sokolov <aesok@post.ru>
3985 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
3986 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3987 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3989 2009-02-06 Joseph Myers <joseph@codesourcery.com>
3992 * c-common.c (handle_alias_attribute): Disallow attribute for
3993 anything not a FUNCTION_DECL or VAR_DECL.
3995 2009-02-06 Janis Johnson <janis187@us.ibm.com>
3998 * real.c (do_compare): Special-case compare of zero against
3999 decimal float value.
4001 2009-02-06 Joseph Myers <joseph@codesourcery.com>
4004 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
4005 as indicating flexible array members unless the field itself is
4006 being declarared as the incomplete array.
4008 2009-02-06 Jan Hubicka <jh@suse.cz>
4010 PR tree-optimization/38844
4011 * ipa-inline.c (try_inline): Stop inlining recursion when edge
4014 2009-02-06 Richard Guenther <rguenther@suse.de>
4017 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
4018 fork because we may expand it as __gcov_fork.
4020 2009-02-06 Nick Clifton <nickc@redhat.com>
4022 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
4024 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
4026 PR tree-optimization/35659
4027 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
4028 vn_phi_eq): Shortcut if hashcode does not match.
4029 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
4031 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
4032 and avoid iterative_hash_expr.
4033 (FOR_EACH_VALUE_ID_IN_SET): New.
4034 (value_id_compare): Remove.
4035 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
4036 sort expressions by value id.
4038 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
4041 * config/sh/predicates.md (general_movsrc_operand): Don't check
4042 the subreg of system registers here.
4044 2009-02-05 Jakub Jelinek <jakub@redhat.com>
4047 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
4050 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
4052 PR rtl-optimization/39110
4053 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
4054 addresses, not aligned ones.
4056 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
4057 Richard Guenther <rguenther@suse.de>
4059 PR tree-optimization/39100
4060 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
4061 comment says and add edges.
4063 2009-02-05 Joseph Myers <joseph@codesourcery.com>
4066 * c-common.c (handle_tls_model_attribute): Ignore attribute for
4067 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
4069 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
4071 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
4072 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
4073 register_bb_in_sese, new_sese, free_sese): Moved.
4074 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
4075 outermost_loop_in_scop, build_scop_iteration_domain,
4076 expand_scalar_variables_ssa_name, get_vdef_before_scop,
4077 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
4078 Use loop_in_sese_p instead of loop_in_scop_p.
4079 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
4080 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
4081 (scopdet_basic_block_info): Fix bug in scop detection.
4082 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
4083 eq_loop_to_cloog_loop): Remove.
4084 (nb_loops_around_loop_in_scop, nb_loop
4085 ref_nb_loops): Moved here...
4086 * graphite.h (ref_nb_loops): ... from here.
4087 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
4088 (loop_domain_dim, loop_iteration_vector_dim): Remove.
4089 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
4090 * testsuite/gcc.dg/graphite/scop-19.c: New
4092 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
4093 Hans-Peter Nilsson <hp@axis.com>
4095 PR rtl-optimization/37889
4096 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
4097 Move offset handling from PLUS to before the switch. Use new
4098 arguments when considering SYMBOL_REFs too.
4099 (rtx_addr_can_trap_p): Pass dummy offset and size.
4100 (enum may_trap_p_flags): Remove.
4101 (may_trap_p_1): Pass size from MEM_SIZE.
4103 PR rtl-optimization/38921
4104 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
4105 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
4106 * rtlanal.c (may_trap_after_code_motion_p): Delete.
4107 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
4109 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
4111 AVX Programming Reference (January, 2009)
4112 * config/i386/sse.md (*vpclmulqdq): New.
4114 2009-02-04 Jakub Jelinek <jakub@redhat.com>
4116 PR tree-optimization/38977
4117 PR gcov-profile/38292
4118 * calls.c (special_function_p): Disregard __builtin_ prefix.
4120 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
4122 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
4123 non-indexable addresses even before reload.
4125 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4128 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
4129 as having variable size. Do not give an error for unnamed
4130 parameters with [*] declarators. Give a warning for type names
4131 with [*] declarators and mark them as variable size.
4132 * c-parser.c (c_parser_sizeof_expression): Do not give an error
4133 for sizeof applied to [*] type names.
4135 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
4138 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
4140 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4142 * gcc.c (process_command): Update copyright notice dates.
4143 * gcov.c (print_version): Likewise.
4144 * gcov-dump.c (print_version): Likewise.
4145 * mips-tfile.c (main): Likewise.
4146 * mips-tdump.c (main): Likewise.
4148 2009-02-03 Joseph Myers <joseph@codesourcery.com>
4151 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
4152 for composite type involving a zero-length array type.
4154 2009-02-03 Jakub Jelinek <jakub@redhat.com>
4157 * function.c (match_asm_constraints_1): Skip over
4158 initial optional % in the constraint.
4161 * c-parser.c (c_parser_postfix_expression): If fixed point is not
4162 supported, don't accept FIXED_CSTs.
4163 * c-decl.c (finish_declspecs): Error if fixed point is not supported
4164 and _Sat is used without _Fract/_Accum. Set specs->type to
4165 integer_type_node for cts_fract/cts_accum if fixed point is not
4168 2009-02-02 Catherine Moore <clm@codesourcery.com>
4170 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
4172 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
4174 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
4175 (ABI_HAS_64BIT_SYMBOLS): Use it.
4176 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
4178 2009-02-02 Paul Brook <paul@codesourcery.com>
4180 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
4182 2009-02-02 Jakub Jelinek <jakub@redhat.com>
4185 * recog.h (asm_operand_ok): Add constraints argument.
4186 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
4187 recurse on matching constraint.
4188 (check_asm_operands): Pass constraints as 3rd argument to
4189 asm_operand_ok. Don't look up matching constraint here.
4190 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
4193 2009-02-02 Ben Elliston <bje@au.ibm.com>
4195 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
4196 TARGET_NARROW_VOLATILE_BITFIELD macro names.
4198 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4200 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
4201 information. Remove some obsolete information. Reorganize.
4203 * config/pa/fptr.c: Revert license to GPL 2.
4204 * config/pa/milli64.S: Likewise.
4206 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4209 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
4210 LIBRARY name in, instead of hard-coding it.
4211 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
4212 extra target make frag to tmake_files according to EH model.
4213 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
4214 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
4215 frags that define makefile variable EH_MODEL appropriately.
4216 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
4217 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
4218 to "-sjlj" according to type of EH configured.
4219 (LIBGCC_SONAME): Concatenate it to shared library base name.
4220 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
4221 to "_sjlj" according to type of EH configured.
4222 (LIBGCC_SONAME): Concatenate it to shared library base name.
4223 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
4224 (SHLIB_LINK): Add missing semicolon to if-else construct.
4225 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4226 string value of "pe_dll" command-line option.
4227 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
4228 (SHLIB_SONAME): Use it when overriding t-cygming default.
4229 (SHLIB_IMPLIB): Override t-cygming default.
4230 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
4231 string value of "pe_dll" command-line option.
4233 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
4236 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
4237 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
4239 2009-01-31 Richard Guenther <rguenther@suse.de>
4241 PR tree-optimization/38937
4242 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
4243 computing the transitive closure.
4245 2009-01-30 Richard Guenther <rguenther@suse.de>
4247 PR tree-optimization/39041
4248 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4249 Propagate variable indices only if the types match for this stmt.
4251 2009-01-30 Jakub Jelinek <jakub@redhat.com>
4254 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
4255 inline but never defined.
4257 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
4259 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
4260 (*insv_h_di_reg_extimm): New insn.
4261 (*insv_l<mode>_reg_extimm): New insn.
4263 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4265 * config/picochip/picochip.c (flag_conserve_stack): set
4266 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
4267 fconserve-stack. Reduce call-overhead used by inliner.
4269 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
4272 * common.opt (flag_conserve_stack): Initialised to zero.
4274 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
4277 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
4278 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
4281 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
4283 * ira-color.c (allocno_reload_assign): Update comments.
4284 * regmove.c (regmove_optimize): Likewise.
4288 2009-01-29 Robert Millan <rmh@aybabtu.com>
4290 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
4291 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
4292 `MD_UNWIND_SUPPORT'.
4293 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
4295 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
4297 PR tree-optimization/39007
4298 * tree-loop-distribution.c (generate_builtin): Use
4299 recompute_dominator to compute the immediate dominator of the
4300 basic block just after the loop.
4302 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4304 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
4305 (ASM_OUTPUT_DWARF_PCREL): Define.
4307 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
4309 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
4310 * doc/passes.texi: Remove entries about regclass, local-alloc, and
4311 global. Modify entries about regmove and IRA.
4313 * ra-conflict.c: Remove the file.
4315 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
4317 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
4318 (pass_regclass_init): Rename to pass_reginfo_init.
4320 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
4322 * toplev.h (flag_ira): Remove.
4324 * caller-save.c (setup_save_areas): Remove flag_ira.
4326 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
4328 * global.c: Remove the file.
4330 * opts.c (decode_options): Remove flag_ira.
4332 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
4334 * regmove.c: Modify file description.
4335 (find_use_as_address, try_auto_increment): Define them only if
4336 AUTO_INC_DEC is defined.
4337 (replacement_quality, replace_in_call_usage, fixup_match_1,
4338 stable_and_no_regs_but_for_p): Remove.
4339 (reg_set_in_bb): Make it static.
4340 (regmove_optimize): Remove flag_ira and code which worked for
4343 * local-alloc.c: Remove the file.
4345 * common.opt (fira): Remove.
4347 * ira.c: Include except.h.
4348 (eliminable_regset): Move from global.c.
4349 (mark_elimination): Ditto. Remove flag_ira.
4350 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
4351 equiv_mem_modified, validate_equiv_mem_from_store,
4352 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
4353 contains_replace_regs, memref_referenced_p, memref_used_between_p,
4354 no_equiv, recorded_label_ref): Move from local-alloc.c.
4355 (update_equiv_regs): Ditto. Make it static.
4356 (print_insn_chain, print_insn_chains): Move it from global.c.
4357 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
4358 (build_insn_chain): Ditto. Make it static.
4359 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
4360 Rename to init_live_subregs.
4361 (gate_ira): Remove flag_ira.
4363 * regclass.c: Rename reginfo.c. Change file description.
4364 (FORBIDDEN_INC_DEC_CLASSES): Remove.
4365 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
4366 (init_reg_sets_1): Remove code for evaluation of
4367 reg_class_superclasses and losing_caller_save_reg_set.
4368 (init_regs): Remove init_reg_autoinc.
4369 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
4370 ok_for_base_p_nonstrict): Remove.
4371 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
4372 (pass_regclass_init): Rename to pass_reginfo_init. Modify
4373 corresponding entries.
4374 (dump_regclass, record_operand_costs, scan_one_insn,
4375 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
4376 record_address_regs, auto_inc_dec_reg_p): Remove.
4377 (gt-regclass.h): Rename to gt-reginfo.h.
4379 * rtl.h (dump_global_regs, retry_global_alloc,
4380 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
4382 * Makefile.in (RA_H): Remove.
4383 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
4384 Rename regclass.o to reginfo.o.
4385 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
4387 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
4388 (GTFILES): Rename regclass.c to reginfo.c.
4390 * passes.c (init_optimization_passes): Remove pass_local_alloc and
4391 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
4393 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
4394 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
4396 (finish_spills): Ditto. Remove code for !flag_ira.
4398 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4401 * doc/invoke.texi (rtl debug options): Complete rewrite.
4402 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
4404 * mode-switching.c (pass_mode_switching): Rename pass from
4405 "mode-sw" to "mode_sw".
4406 * except.c (pass_convert_to_eh_ranges): Rename pass from
4407 "eh-ranges" to "eh_ranges".
4408 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
4412 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
4413 Alexander Monakov <amonakov@ispras.ru>
4416 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
4418 (move_exprs_to_boundary): Change return type and pass through
4419 should_move from move_op. Relax assert. Update usage ...
4420 (schedule_expr_on_boundary): ... here. Use should_move instead of
4422 (move_op_orig_expr_found): Indicate that insn was disconnected from
4424 (code_motion_process_successors): Do not call after_merge_succs
4425 callback if original expression was not found when traversing any of
4427 (code_motion_path_driver): Change return type. Update prototype.
4428 (move_op): Update comment. Add a new parameter (should_move). Update
4429 prototype. Set *should_move based on indication provided by
4430 move_op_orig_expr_found.
4432 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
4434 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
4435 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
4436 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
4437 * config/rs6000/rs6000.c (rs6000_override_options): Default
4438 avoid-indexed-addresses on for Power6, off for everything else.
4439 (avoiding_indexed_address_p): New function.
4440 (rs6000_legitimize_address): Use it.
4441 (rs6000_legitimate_address): Likewise.
4442 * config/rs6000/rs6000.md (movXX_updateX): Likewise
4444 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
4446 PR tree-optimization/38997
4447 * tree-loop-distribution.c (generate_memset_zero): Use
4448 POINTER_PLUS_EXPR for a pointer addition.
4450 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
4452 * config/s390/s390.md (bswap<mode>2): New pattern added.
4454 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4456 * config/s390/s390.md (*tls_load_31): Added type attribute.
4458 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4460 * config/s390/s390.md: Fix a few comments.
4462 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
4464 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
4465 (*tm<mode>_full): Fixed z10prop attribute.
4466 (*tst<mode>_extimm): Fixed z10prop attribute.
4467 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
4468 (*tstqiCCT_cconly): Fixed z10prop attribute.
4469 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
4470 (*movsi_larl): Fixed z10prop attribute.
4471 (*movsi_zarch): Fixed z10prop attribute.
4472 (*movsi_eas): Fixed z10prop attribute.
4473 (*movhi): Fixed z10prop attribute.
4474 (*movqi): Fixed z10prop attribute.
4475 (*movstrictqi): Fixed z10prop attribute.
4476 (*mov<mode>): Fixed z10prop attribute.
4477 (*movcc): Fixed z10prop attribute.
4478 (*sethighpartdi_64): Fixed z10prop attribute.
4479 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
4480 (*negdi2_sign_cc): Fixed z10prop attribute.
4481 (*negdi2_sign): Fixed z10prop attribute.
4482 (*absdi2_sign_cc): Fixed z10prop attribute.
4483 (*absdi2_sign): Fixed z10prop attribute.
4484 (*negabsdi2_sign_cc): Fixed z10prop attribute.
4485 (*negabsdi2_sign): Fixed z10prop attribute.
4486 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
4487 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
4488 (doloop_si64): Fixed z10prop attribute.
4489 (doloop_si31): Fixed z10prop attribute.
4490 (doloop_long): Fixed z10prop attribute.
4491 (indirect_jump): Fixed z10prop attribute.
4492 (nop): Fixed z10prop attribute.
4493 (main_base_64): Fixed z10prop attribute.
4494 (reload_base_64): Fixed z10prop attribute.
4496 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4498 PR rtl-optimization/38740
4499 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
4501 * config/mips/mips.c (mips_reorg): Likewise.
4503 2009-01-28 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/38926
4506 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
4507 with the correct value id to a value.
4508 (do_regular_insertion): Use the value number of edoubleprime
4509 for the value number of the expr.
4512 2008-08-21 Richard Guenther <rguenther@suse.de>
4514 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
4515 a PHI ask VN if it is already available.
4516 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
4517 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
4519 2009-01-28 Jakub Jelinek <jakub@redhat.com>
4522 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
4523 set to varying whenever max has TREE_OVERFLOW set, similarly
4524 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
4526 2009-01-28 Richard Guenther <rguenther@suse.de>
4529 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
4530 uninitialized aggregate uses in call arguments.
4532 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
4534 PR tree-optimization/38984
4535 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
4536 the nothing_id variable if -fno-delete-null-pointer-checks.
4538 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
4541 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
4542 (set_got_offset_rex64): Ditto.
4544 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
4547 * doc/extend.texi: Improve local variable with asm reg.
4549 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
4551 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
4552 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
4553 was not supplied then set warn_packed_bitfield_compat to the
4555 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
4558 2009-01-27 Richard Guenther <rguenther@suse.de>
4560 PR tree-optimization/38503
4561 * cfgexpand.c (expand_gimple_basic_block): Ignore
4562 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
4563 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
4564 variables that cannot have TBAA applied.
4565 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
4568 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
4571 * calls.c (initialize_argument_information): Do not wrap complex
4572 arguments in SAVE_EXPR.
4574 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
4576 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
4577 (INSTALL_LIBGCC): Revert typo commit.
4579 2009-01-26 Richard Guenther <rguenther@suse.de>
4581 PR tree-optimization/38745
4582 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
4583 from special handling.
4585 2009-01-26 Richard Guenther <rguenther@suse.de>
4587 PR tree-optimization/38745
4588 * tree-ssa.c (execute_update_addresses_taken): Do not include
4589 variables that cannot possibly be a register in not_reg_needs.
4590 Do not clear TREE_ADDRESSABLE on vars that may not become
4592 * tree-ssa.c (update_alias_info_1): Include those in the set
4593 of addressable vars.
4595 2009-01-26 Richard Guenther <rguenther@suse.de>
4598 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
4599 * tree-ssa-dse.c: Include langhooks.h
4600 (execute_simple_dse): Remove stores with zero size.
4602 2009-01-24 Jakub Jelinek <jakub@redhat.com>
4605 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
4608 2009-01-24 Julian Brown <julian@codesourcery.com>
4610 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
4611 config/arm/linux-atomic.c.
4612 * config/arm/linux-atomic.c: New.
4614 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
4616 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
4617 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
4618 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
4620 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
4623 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
4626 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
4628 PR tree-optimization/38953
4629 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
4630 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
4631 (gloog): Split the exit of the scop when the scop exit is a loop exit.
4632 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
4635 2009-01-24 Paul Brook <paul@codesourcery.com>
4637 * config/arm/neon.md (neon_type): Move to arm.md.
4638 (neon_mov<VSTRUCT>): Add neon_type attribute.
4639 * config/arm/arm.md (neon_type): Move to here.
4640 (conds): Add "unconditioal" and use as default for NEON insns.
4642 2009-01-24 Ben Elliston <bje@au.ibm.com>
4644 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
4645 void *' warning from -Wc++-compat.
4646 * Makefile.in (dominance.o-warn): Remove.
4648 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
4650 PR tree-optimization/38932
4651 * fold-const.c (fold_unary_ignore_overflow): New.
4652 * tree.h (fold_unary_ignore_overflow): Declare.
4653 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
4654 * tree-ssa-sccvn.c (visit_reference_op_load,
4655 simplify_unary_expression): Likewise.
4657 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
4659 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
4660 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
4661 regardless of their type.
4662 * c-common.c (handle_packed_attribute): Don't ignore packed on
4664 * c.opt (Wpacked-bitfield-compat): New warning option.
4665 * stor-layout.c (place_field): Warn if offset of a field changed.
4666 * doc/extend.texi (packed): Mention the ABI change.
4667 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
4668 (Warning Options): Add it to the list.
4670 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
4672 * c-opts.c (c_common_post_options): Fix a typo in comments.
4674 2009-01-22 Steve Ellcey <sje@cup.hp.com>
4677 * gimplify.c (gimplify_init_constructor): Fix promotion of const
4678 variables to static.
4679 * doc/invoke.texi (-fmerge-all-constants): Update description.
4681 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
4684 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
4685 (*movdi_1_rex64): Use type "mmx" for alternative 5.
4687 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
4689 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
4691 (LOCAL_ALIGNMENT): Similarly.
4693 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4694 Joseph Myers <joseph@codesourcery.com>
4696 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
4697 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
4698 * config/arm/arm-tune.md: Regenerate.
4699 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
4702 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
4704 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
4705 version number to five.
4707 2009-01-22 Dodji Seketeli <dodji@redhat.com>
4710 * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
4711 * c-common.c (set_underlying_type): Likewise.
4712 (is_typedef_decl ): Likewise
4714 (set_underlying_type): Likewise.
4715 (is_typedef_type): Likewise.
4717 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
4720 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
4723 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4726 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
4727 (LIBGCC_SPEC): Don't define.
4728 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
4730 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
4732 PR rtl-optimization/38879
4733 * alias.c (base_alias_check): Unaligned access via AND address can
4734 alias all surrounding object types except those with sizes equal
4735 or wider than the size of unaligned access.
4737 2009-01-21 Dodji Seketeli <dodji@redhat.com>
4740 * c-decl.c (clone_underlying_type): Move this ...
4741 * c-common.c (set_underlying_type): ... here.
4742 Also, make sure the function properly sets TYPE_STUB_DECL() on
4743 the newly created typedef variant type.
4744 (is_typedef_decl ): New entry point.
4745 * tree.h: Added a new member member_types_needing_access_check to
4746 struct tree_decl_non_common.
4747 (set_underlying_type): New entry point.
4748 (is_typedef_type): Likewise.
4750 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
4752 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
4753 Check whether two instructions have memory references that
4754 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
4755 are helper functions for traversing.
4756 * alias.h (insn_alias_sets_confilict_p): New prototypes.
4757 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
4758 not to draw dependency edge for instructions with non-conflicting
4761 2009-01-20 Joseph Myers <joseph@codesourcery.com>
4764 * longlong.h: Update copyright years. Use soft-fp license notice.
4765 Sync __clz_tab declaration with glibc.
4767 2009-01-20 Steve Ellcey <sje@cup.hp.com>
4770 * doc/extend.texi (syscall_linkage): New.
4771 (version_id): Modify.
4773 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4774 Richard Guenther <rguenther@suse.de>
4776 PR tree-optimization/38747
4777 PR tree-optimization/38748
4778 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
4779 conversion if the base address is an indirect reference and the
4780 aliasing sets could cause issues.
4782 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4784 * common.opt (fgraphite, fgraphite-identity): Add comment for
4785 explaining why these options are not documented.
4787 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
4789 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
4790 gimple_call_lhs is NULL.
4792 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
4795 * emit-rtl.c (adjust_address_1): Make sure memref is never
4798 2009-01-20 Ben Elliston <bje@au.ibm.com>
4800 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4801 const qualifier from arg parameter. Remove unnecessary cast to char *.
4802 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
4803 const qualifier from arg 2.
4805 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4807 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
4809 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
4812 * rtl.h (reinit_regs): New prototype.
4813 * regclass.c: Include ira.h.
4815 * Makefile.in (regclass.o): Add ira.h.
4816 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
4818 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
4821 * c-common.c (handle_aligned_attribute): Use
4822 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
4823 default alignment value.
4825 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
4827 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
4828 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
4830 * doc/extend.texi: Update __attribute__ ((aligned)). Document
4831 __BIGGEST_ALIGNMENT__.
4833 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
4835 2009-01-18 Richard Guenther <rguenther@suse.de>
4837 PR tree-optimization/38819
4838 * tree-flow.h (operation_could_trap_helper_p): Declare.
4839 * tree-eh.c (operation_could_trap_helper_p): Export.
4840 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
4841 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
4842 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
4843 are about to insert a possibly trapping instruction and fail
4846 2009-01-18 Andreas Schwab <schwab@suse.de>
4848 * doc/install.texi (Configuration): Remove obsolete paragraph
4849 about use of --with-gnu-ld with --with-gnu-as.
4851 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
4853 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
4854 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
4855 Follow spelling conventions.
4857 2009-01-18 Ben Elliston <bje@au.ibm.com>
4859 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
4860 C++ warning about implicit conversion from void * to struct
4862 (bitmap_obstack_free): Likewise for bitmap_element *.
4863 * Makefile.in (bitmap.o-warn): Remove.
4865 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
4867 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
4869 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
4870 Tobias Grosser <tobi.grosser@amd.com>
4872 * graphite.c (graphite_trans_scop_block): Do not block single
4875 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
4877 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
4878 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
4879 test with assertion.
4881 2009-01-16 Richard Guenther <rguenther@suse.de>
4883 PR tree-optimization/38835
4885 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
4886 and INT + PTR -> (INT)(PTR p+ INT) folding.
4887 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
4889 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
4892 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
4893 the subreg from a lowpart subreg if it is also casting the value.
4895 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4896 Tobias Grosser <tobi.grosser@amd.com>
4898 * graphite.c (compare_prefix_loops): New.
4899 (build_scop_canonical_schedules): Rewritten.
4900 (graphite_transform_loops): Move build_scop_canonical_schedules
4901 after build_scop_iteration_domain.
4903 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
4904 Tobias Grosser <tobi.grosser@amd.com>
4906 * graphite.c (add_conditions_to_domain): Add the loops to
4907 the dimension of the iteration domain. Do copy the domain
4908 only when it exists.
4909 (build_scop_conditions_1): Do not call add_conditions_to_domain.
4910 (add_conditions_to_constraints): New.
4911 (can_generate_code_stmt, can_generate_code): Removed.
4912 (gloog): Do not call can_generate_code.
4913 (graphite_transform_loops): Call add_conditions_to_constraints
4914 after building the iteration domain.
4916 2009-01-16 Jakub Jelinek <jakub@redhat.com>
4918 PR tree-optimization/38789
4919 * tree-ssa-threadedge.c
4920 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
4921 __builtin_constant_p.
4923 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
4925 * dce.c (delete_unmarked_insns): Reversed the order that insns are
4926 examined before deleting them.
4928 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
4930 * function.c (aggregate_value_p): Correctly extract the function
4931 type from CALL_EXPR_FN lookup.
4933 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
4935 * config/picochip/picochip.c (picochip_override_options): Revert
4936 CFI asm flag disable commited previously.
4938 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
4939 Tobias Grosser <tobi.grosser@amd.com>
4940 Jan Sjodin <jan.sjodin@amd.com>
4942 * graphite.c (scan_tree_for_params): On substractions negate
4943 all the coefficients of the term.
4944 (clast_to_gcc_expression_red): New. Handle reduction expressions
4945 of more than two operands.
4946 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
4947 (get_vdef_before_scop): Handle also the case of default definitions.
4949 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
4951 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
4952 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
4953 Also use them when walking CALL_INSN_FUNCTION_USAGE.
4955 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
4956 Joey Ye <joey.ye@intel.com>
4959 * cfgexpand.c (expand_stack_alignment): Don't update stack
4960 boundary nor check incoming stack boundary here.
4961 (gimple_expand_cfg): Update stack boundary and check incoming
4962 stack boundary here.
4964 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
4966 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
4968 2009-01-14 Jakub Jelinek <jakub@redhat.com>
4970 PR rtl-optimization/38245
4971 * calls.c (expand_call): Add stack arguments to
4972 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4973 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
4974 in regs and partially in memory or BLKmode arguments.
4975 (emit_library_call_value_1): Add stack arguments to
4976 CALL_INSN_FUNCTION_USAGE even for pure calls (when
4977 ACCUMULATE_OUTGOING_ARGS).
4978 * dce.c: Include tm_p.h.
4979 (find_call_stack_args): New function.
4980 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
4982 (mark_insn): Call find_call_stack_args for CALL_Ps.
4983 (prescan_insns_for_dce): Walk insns backwards in bb rather than
4984 forwards. Allocate and free arg_stores bitmap if needed, pass it
4985 down to deletable_insn_p, don't mark stores set in arg_stores
4986 bitmap, clear the bitmap at the beginning of each bb.
4987 * Makefile.in (dce.o): Depend on $(TM_P_H).
4989 2009-01-14 Michael Meissner <gnu@the-meissners.org>
4992 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
4993 to make sure the insn is a conditional test (bug 22599). Reformat a
4996 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
4999 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
5000 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
5001 (gloog): Do not call cleanup_tree_cfg.
5002 (graphite_transform_loops): Call cleanup_tree_cfg after all
5003 scops have been code generated.
5005 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
5006 * doc/gty.texi (Invoking the garbage collector): Added new node
5007 and section documenting ggc_collect.
5009 2009-01-14 Richard Guenther <rguenther@suse.de>
5011 PR tree-optimization/38826
5013 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
5014 initialization notes only if we actually emitted a warning.
5015 (intra_create_variable_infos): Add constraints for a result decl
5016 that is passed by hidden reference.
5017 (build_pred_graph): Mark all related variables non-direct on
5020 2009-01-14 Nick Clifton <nickc@redhat.com>
5022 * ira-conflicts.c: Include addresses.h for the definition of
5024 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
5025 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
5027 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
5030 * Makefile.in (ira-lives.o): Add except.h.
5032 * ira-lives.c: Include except.h.
5033 (process_bb_node_lives): Process can_throw_internal.
5035 2009-01-13 Jakub Jelinek <jakub@redhat.com>
5037 PR rtl-optimization/38774
5038 * combine.c (simplify_set): When undoing cc_use change, don't do
5039 PUT_CODE on the newly created comparison, but instead put back the
5042 2009-01-13 Joseph Myers <joseph@codesourcery.com>
5044 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
5045 values. Remove duplicate arm8 entry.
5047 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5049 PR tree-optimization/38786
5050 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
5051 the SSA_NAME case of expand_scalar_variables_expr.
5052 Set the type of an expression to the type of its assign statement.
5053 (expand_scalar_variables_expr): Also gather the scalar computation
5054 used to index the memory access. Do not pass loop_p.
5055 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
5056 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
5057 the gimple_stmt_iterator where it inserts new code.
5059 (copy_bb_and_scalar_dependences): Do not pass loop_p.
5060 (translate_clast): Update call to copy_bb_and_scalar_dependences.
5062 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
5064 * graphite.h (debug_value): Removed.
5065 * graphite.c (debug_value): Removed.
5067 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5069 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
5070 ldrd/strd with two 32-bit instructions.
5072 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
5074 * config/arm/arm.c (struct processors): Pass for speed down into
5075 cost helper functions.
5076 (const_ok_for_op): Handle COMPARE and inequality nodes.
5077 (arm_rtx_costs_1): Rewrite.
5078 (arm_size_rtx_costs): Update prototype.
5079 (arm_rtx_costs): Pass speed down to helper functions.
5080 (arm_slowmul_rtx_costs): Rework cost calculations.
5081 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
5082 (arm_9e_rtx_costs): Likewise.
5084 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
5086 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
5087 relocations of local symbols wider than UNITS_PER_WORD are not valid.
5088 (alpha_legitimize_address): Do not split local symbols wider than
5089 UNITS_PER_WORD into HIGH/LO_SUM parts.
5091 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
5094 * gcc.c (process_command): Replace call to execvp with calls
5095 to pex_one and exit.
5097 2009-01-03 Anatoly Sokolov <aesok@post.ru>
5100 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
5101 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
5102 variant for devices with 3-byte PC.
5103 (__tablejump_elpm__): New.
5105 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5108 * c-parser.c (c_parser_postfix_expression): Allow `->' in
5109 offsetof member-designator, handle it as `[0].'.
5111 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5113 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
5114 function when not using named sections on targets with named sections
5115 if branch distance is less than 262132.
5117 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
5119 * combine.c (combine_instructions): Recompute
5120 optimize_this_for_speed_p for each BB in the main combine loop.
5122 2009-01-12 Tomas Bily <tbily@suse.cz>
5125 * tree-loop-distribution.c (prop_phis): New function.
5126 (generate_builtin): Call prop_phis.
5127 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
5129 2009-01-12 Jakub Jelinek <jakub@redhat.com>
5131 PR tree-optimization/38807
5132 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
5133 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
5135 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
5137 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
5138 subreg of op0 to the original op0.
5140 2009-01-11 Laurent GUERBY <laurent@guerby.net>
5142 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
5144 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
5147 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
5148 starting with digits.
5150 2009-01-10 Jakub Jelinek <jakub@redhat.com>
5153 * config/arm/arm.c (arm_is_long_call_p): Don't call
5154 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
5156 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
5158 * regrename.c (regrename_optimize): Fix dumping.
5159 (find_oldest_value_reg): Preserve REG_POINTER.
5160 (copy_hardreg_forward_1): Likewise.
5162 2009-01-09 Diego Novillo <dnovillo@google.com>
5164 * gimple.h (struct gimple_statement_base) <uid>: Document
5165 the restrictions on its use.
5167 (gimple_set_uid): Tidy.
5169 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5171 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
5172 zero guard even if align_bytes != 0 and count is smaller than
5175 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
5177 PR rtl-optimization/38495
5178 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
5179 (add_range_and_copies_from_move_list): Print all added ranges.
5180 Add ranges to memory optimized destination.
5182 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5186 * config/i386/i386.c (override_options): Reject
5187 -mstringop-strategy=rep_8byte with -m32.
5188 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
5189 to 1. Do count comparison against epilogue_size_needed at compile
5190 time even when count_exp was constant forced into register. For
5191 size_needed don't jump to epilogue, instead just avoid aligning
5192 and invoke the body algorithm. If need_zero_guard, add zero guard
5193 even if count is non-zero, but smaller than size_needed + number of
5194 bytes that could be stored for alignment.
5195 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
5196 to 1. If need_zero_guard, add zero guard even if count is non-zero,
5197 but smaller than size_needed + number of bytes that could be stored
5198 for alignment. Compare size_needed with epilogue_size_needed instead
5199 of desired_align - align, don't adjust size_needed, pass
5200 epilogue_size_needed to the epilogue expanders.
5203 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
5205 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5207 * pa.c (last_address): Change to unsigned.
5208 (update_total_code_bytes): Change argument to unsigned. Don't
5209 check if insn addresses are set.
5210 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
5211 addresses are not set.
5212 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
5214 2009-01-09 Nick Clifton <nickc@redhat.com>
5216 * config/sh/symbian.c: Replace uses of DECL_INLINE with
5217 DECL_DECLARED_INLINE_P.
5219 2009-01-09 Jakub Jelinek <jakub@redhat.com>
5222 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
5223 GET_MODE (op0) in operand_subword_force calls.
5226 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
5227 fold_convert arg0 operands to TREE_TYPE (op0) first.
5229 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
5231 * params.def (ira-max-conflict-table-size): Decrease default value
5234 2009-01-08 Jakub Jelinek <jakub@redhat.com>
5236 PR tree-optimization/37031
5237 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
5239 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
5240 allocate it using gc instead of heap, use VEC_quick_push instead of
5242 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
5243 instead of heap, use VEC_quick_push instead of VEC_safe_push.
5244 * tree-data-ref.h (struct access_matrix): Change matrix to gc
5245 allocated vector from heap allocated.
5246 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
5247 * tree-loop-linear.c (linear_transform_loops): Allocate nest
5248 vector only after perfect_loop_nest_depth call.
5250 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
5251 Jan Sjodin <jan.sjodin@amd.com>
5253 PR tree-optimization/38559
5254 * graphite.c (debug_value, copy_constraint,
5255 swap_constraint_variables, scale_constraint_variable, ): New.
5256 (get_lower_bound, get_upper_bound): Removed.
5257 (graphite_trans_bb_strip_mine): Clean up this code that works
5258 only for constant number of iterations. Fully copy upper and
5259 lower bound constraints, not only the constant part of them.
5260 * graphite.h (debug_value): Declared.
5262 2009-01-08 Ira Rosen <irar@il.ibm.com>
5264 PR tree-optimization/37194
5265 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
5266 Don't add the cost of cost model guard in prologue to scalar
5267 outside cost in case of known number of iterations.
5269 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
5270 Alan Modra <amodra@bigpond.net.au>
5272 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
5273 non-word-aligned REG+CONST addressing.
5275 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5278 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
5279 free_after_compilation when outputting a thunk.
5280 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
5281 Do not call free_after_compilation here.
5283 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
5285 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
5286 (ix86_valid_target_attribute_inner_p): Ditto.
5288 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
5290 PR tree-optimization/38492
5291 PR tree-optimization/38498
5292 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
5293 * tree-chrec.h (scev_is_linear_expression): Declared.
5294 * graphite.c (graphite_cannot_represent_loop_niter): New.
5295 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
5296 (graphite_loop_normal_form): Use gcc_assert.
5297 (scan_tree_for_params): Use CASE_CONVERT.
5298 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
5299 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
5300 Use gcc_assert. Discard scops that contain unhandled cases.
5301 (build_scop_conditions): Return a boolean status for unhandled cases.
5302 (strip_mine_profitable_p): Print the loop number, not its depth.
5303 (is_interchange_valid): Pass the depth of the loop nest, don't
5304 recompute it wrongly.
5305 (graphite_trans_bb_block): Same.
5306 (graphite_trans_bb_block): Print tentative of loop blocking.
5307 (graphite_trans_scop_block): Do not print that the loop has been
5309 (graphite_transform_loops): Do not handle scops that contain condition
5312 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
5314 AVX Programming Reference (December, 2008)
5315 * config/i386/avxintrin.h (_mm256_stream_si256): New.
5316 (_mm256_stream_pd): Likewise.
5317 (_mm256_stream_ps): Likewise.
5319 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
5320 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
5321 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
5322 (bdesc_special_args): Add __builtin_ia32_movntdq256,
5323 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
5324 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
5325 (ix86_expand_special_args_builtin): Likewise.
5327 * config/i386/sse.md (AVXMODEDI): New.
5328 (avx_movnt<mode>): Likewise.
5329 (avx_movnt<mode>): Likewise.
5330 (<sse>_movnt<mode>): Remove AVX support.
5331 (sse2_movntv2di): Likewise.
5333 2009-01-07 Richard Guenther <rguenther@suse.de>
5336 * fold-const.c (extract_muldiv): Remove obsolete comment.
5337 (fold_plusminus_mult_expr): Undo MINUS_EXPR
5338 to PLUS_EXPR canonicalization for the canonicalization.
5340 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
5342 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
5343 hosted cross-compilers generating less efficient code.
5345 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5347 * function.h (rtl_data): Add a dbr_scheduled_p field.
5348 * reorg.c (dbr_schedule): Set it.
5349 (gate_handle_delay_slots): Check it.
5350 * config/mips/mips.c (mips_base_delayed_branch): Delete.
5351 (mips_reorg): Check flag_delayed_branch instead of
5352 mips_base_delayed_branch.
5353 (mips_override_options): Don't set mips_base_delayed_branch
5354 or flag_delayed_branch.
5356 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
5358 PR rtl-optimization/38426.
5359 * ira.c (ira): Set current_function_is_leaf earlier.
5361 2009-01-06 Jakub Jelinek <jakub@redhat.com>
5363 PR rtl-optimization/38722
5364 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
5365 too early, only set a flag and modify after last possible
5368 2009-01-06 Janis Johnson <janis187@us.ibm.com>
5371 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
5372 * real.c (decimal_single_format): Correct values of emin and emax.
5373 (decimal_double_format): Ditto.
5374 (decimal_quad_format): Ditto.
5375 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
5376 computation of DECnn_MIN and DECnn_MAX for corrected values of
5377 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
5378 __DECnn_MIN__, and adjust its computation for the corrected value
5381 2009-01-06 Jan Hubicka <jh@suse.cz>
5384 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
5386 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
5388 * doc/contrib.texi (Contributors): Slightly adjust the end note.
5389 Add Robert Clark to the list of testers.
5391 2009-01-06 Jan Hubicka <jh@suse.cz>
5392 Kai Tietz <kai.tietz@onevision.com>
5394 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
5395 * config/i386/i386.c (ix86_expand_call): Add clobbers.
5397 2009-01-06 Jan Hubicka <jh@suse.cz>
5398 Kai Tietz <kai.tietz@onevision.com>
5400 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
5402 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
5403 (ix86_nsaved_regs): Count only general purpose regs.
5404 (ix86_nsaved_sseregs): New.
5405 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
5406 to 16 for w64; compute padding and size of sse reg save area.
5407 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
5408 general purpose regs.
5409 (ix86_emit_save_sse_regs_using_mov): New.
5410 (ix86_expand_prologue): Save SSE regs if needed.
5411 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
5412 (ix86_emit_restore_sse_regs_using_mov): New.
5413 (ix86_expand_epilogue): Save SSE regs if needed.
5415 2009-01-06 Jan Hubicka <jh@suse.cz>
5416 Kai Tietz <kai.tietz@onevision.com>
5418 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
5419 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
5420 functions when accumulate outgoing args is off.
5422 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5425 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
5426 before using pseudos_have_intersected_live_ranges_p.
5428 * ira-int.h (ira_assert): Always define.
5430 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
5432 AVX Programming Reference (December, 2008)
5433 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
5434 (_mm256_permute2_pd): Likewise.
5435 (_mm_permute2_ps): Likewise.
5436 (_mm256_permute2_ps): Likewise.
5437 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
5438 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
5440 * config/i386/i386.c (ix86_builtins): Remove
5441 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
5442 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
5443 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
5444 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
5445 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
5446 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
5447 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
5448 __builtin_ia32_vpermil2ps256.
5449 (ix86_init_mmx_sse_builtins): Updated.
5450 (ix86_expand_args_builtin): Likewise.
5452 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5454 * pa.c (output_call): Relocate non-jump insns in the delay slot of
5455 long absolute calls when generating PA 2.0 code.
5457 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
5459 PR rtl-optimization/38583
5460 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
5462 * params.def (ira-max-conflict-table-size): New.
5464 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
5466 * ira.h (ira_conflicts_p): New external definition.
5468 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
5469 table. Report this. Return result of building.
5470 (ira_build_conflicts): Use ira_conflicts_p. Check result of
5471 building conflict table.
5473 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
5474 (ira_color): Use ira_conflicts_p.
5476 * global.c: Include ira.h.
5477 (pseudo_for_reload_consideration_p, build_insn_chain): Use
5480 * Makefile.in (global.o): Add ira.h.
5482 * ira-build.c (mark_all_loops_for_removal,
5483 propagate_some_info_from_allocno): New.
5484 (remove_unnecessary_allocnos): Call
5485 propagate_some_info_from_allocno.
5486 (remove_low_level_allocnos): New.
5487 (remove_unnecessary_regions): Add parameter. Call
5488 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
5489 parameter to remove_unnecessary_regions.
5490 (ira_build): Remove all regions but root if the conflict table was
5491 not built. Update conflict hard regs for allocnos crossing calls.
5493 * ira.c (ira_conflicts_p): New global.
5494 (ira): Define and use ira_conflicts_p.
5496 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
5497 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
5498 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
5500 2009-01-06 Ben Elliston <bje@au.ibm.com>
5502 * gengtype-lex.l (YY_NO_INPUT): Define.
5504 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
5507 * c-common.c (handle_vector_size_attribute): Also reject
5510 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
5512 PR tree-optimization/38492
5513 * graphite.c (rename_map_elt, debug_rename_elt,
5514 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
5515 rename_map_elt_info, eq_rename_map_elts,
5516 get_new_name_from_old_name, bb_in_sese_p): Moved around.
5517 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
5518 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
5519 (sese_build_livein_liveouts): New.
5520 (new_sese, free_sese): New.
5521 (new_scop): Call new_sese.
5522 (free_scop): Call free_sese.
5523 (rename_variables_from_edge, rename_phis_end_scop): Removed.
5524 (register_old_new_names): Renamed register_old_and_new_names.
5525 (register_scop_liveout_renames, add_loop_exit_phis,
5526 insert_loop_close_phis, struct igp,
5527 default_liveout_before_guard, add_guard_exit_phis,
5528 insert_guard_phis, copy_renames): New.
5529 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
5530 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
5531 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
5532 (scop_adjust_phis_for_liveouts): New.
5533 (gloog): Call scop_adjust_phis_for_liveouts.
5535 * graphite.h (struct sese): Documented. Added fields liveout,
5537 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
5538 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
5539 (struct scop): Added field liveout_renames.
5540 (SCOP_LIVEOUT_RENAMES): New.
5542 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5544 PR tree-optimization/38510
5545 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
5546 (translate_clast): Call recompute_all_dominators before
5548 (gloog): Call recompute_all_dominators before graphite_verify.
5550 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
5551 Jan Sjodin <jan.sjodin@amd.com>
5553 PR tree-optimization/38500
5554 * graphite.c (create_sese_edges): Call fix_loop_structure after
5557 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5559 * config.gcc: Add m32r*-*-rtems*.
5560 * config/m32r/rtems.h: New file.
5562 2009-01-05 Ben Elliston <bje@au.ibm.com>
5564 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
5565 (.po.pox): Likewise.
5566 (po/gcc.pot): Likewise.
5568 2009-01-04 David S. Miller <davem@davemloft.net>
5570 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
5571 (STARTING_FRAME_OFFSET): Always set to zero.
5573 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5575 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
5576 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
5577 fixed-point types, and vectors of the same.
5579 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
5581 * config/mips/sync.md (*mb_barrier): Rename to...
5582 (*memory_barrier): ...this.
5584 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
5586 * doc/extend.texi (Function Attributes): Move @cindex after @item
5587 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
5588 and put in alphabetical order. Fix 'target' name and put in order.
5589 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
5592 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
5594 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
5595 (memory_barrier): Expand as unspec instead of unspec_volatile.
5596 Remove mem:BLK from insn operands. Use Pmode scratch register.
5597 (*memory_barrier): Define as unspec instead of unspec_volatile.
5598 Use (match_dup 0) as input operand.
5600 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
5601 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
5602 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
5603 scratch register. Remove operand 1.
5604 (*stbar): Define as unspec instead of unspec_volatile.
5605 Use (match_dup 0) as input operand, remove (const_int 8).
5606 (*membar): Define as unspec instead of unspec_volatile.
5607 Use (match_dup 0) as input operand, remove input operand 2.
5609 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
5610 (memory_barrier): Expand as unspec instead of unspec_volatile.
5611 Remove mem:BLK from insn operands. Use Pmode scratch register.
5612 (*memory_barrier): Define as unspec instead of unspec_volatile.
5613 Use (match_dup 0) as input operand.
5615 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
5616 Remove mem:BLK from insn operands. Use Pmode scratch register.
5617 Set volatile flag on operand 0.
5618 (*memory_barrier): New insn pattern.
5620 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
5622 (*memory_barrier): Use (match_dup 0) as input operand.
5624 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
5625 Remove mem:BLK from insn operands. Use Pmode scratch register.
5626 Set volatile flag on operand 0.
5627 (*mb_internal): New insn pattern.
5629 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
5631 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5634 * function.c (struct temp_slot): Move to the section of the file
5635 that deals with temp slots. Remove field 'address'.
5636 (temp_slot_address_table): New hash table of address -> temp slot.
5637 (struct temp_slot_address_entry): New struct, items for the table.
5638 (temp_slot_address_compute_hash, temp_slot_address_hash,
5639 temp_slot_address_eq, insert_temp_slot_address): Support functions
5641 (find_temp_slot_from_address): Rewrite to use the new hash table.
5642 (remove_unused_temp_slot_addresses): Remove addresses of temp
5643 slots that have been made available.
5644 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
5645 worker function for remove_unused_temp_slot_addresses.
5646 (assign_stack_temp_for_type): Don't clear the temp slot address list.
5647 Add the temp slot address to the address -> temp slot map.
5648 (update_temp_slot_address): Update via insert_temp_slot_address.
5649 (free_temp_slots): Call remove_unused_temp_slot_addresses.
5650 (pop_temp_slots): Likewise.
5651 (init_temp_slots): Allocate the address -> temp slot map, or empty
5652 the map if it is already allocated.
5653 (prepare_function_start): Initialize temp slot processing.
5655 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
5658 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
5659 Calculate the size of all stack vars assuming no packing of stack
5660 vars will happen, replacing a quadratic algorithm with a linear one.
5662 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5665 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
5668 2009-01-03 Diego Novillo <dnovillo@google.com>
5670 * doc/contrib.texi: Update contributions.
5672 2009-01-03 Jakub Jelinek <jakub@redhat.com>
5675 * builtins.c (fold_builtin_memory_op): Give up if either operand
5676 is volatile. Set srctype or desttype to non-qualified version
5680 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
5683 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
5685 PR rtl-optimization/35805
5686 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
5687 problem if fast dce is able to remove any instructions.
5688 * dce.c (dce_process_block): Fix dump message.
5690 2009-01-02 Mark Mitchell <mark@codesourcery.com>
5693 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
5695 2009-01-02 Jakub Jelinek <jakub@redhat.com>
5698 * tree-flow.h (op_code_prio, op_prio): New prototypes.
5699 * tree-pretty-print.c (op_code_prio): New function.
5700 (op_prio): No longer static. Use op_code_prio.
5701 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
5702 Use op_prio and op_code_prio to determine if () should be
5703 printed around operand(s) or not.
5705 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
5706 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
5707 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
5708 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
5709 pp_character instead of pp_string for single letter printing.
5711 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
5713 * doc/extend.texi: Fix '#pragma GCC option' typo.
5715 2009-01-02 Richard Guenther <rguenther@suse.de>
5717 * doc/install.texi (--enable-checking): Mention different
5719 (--enable-stage1-checking): Document.
5721 2009-01-01 Andrew Pinski <pinskia@gmail.com>
5724 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
5725 case to be an error.
5727 2009-01-02 Ben Elliston <bje@au.ibm.com>
5729 * config/fp-bit.h (pack_d): Constify argument.
5730 * config/fp-bit.c (makenan): Constify return type. Remove casts.
5731 (isnan): Constify argument.
5735 (_fpadd_parts): Constify return type.
5736 (_fpmul_parts): Likewise.
5737 (_fpdiv_parts): Likewise.
5739 2009-01-01 Jakub Jelinek <jakub@redhat.com>
5742 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
5743 warn about overwriting initializer with side-effects or
5744 -Woverride-init if !IMPLICIT.
5745 (output_init_element): Likewise. Pass IMPLICIT down to
5747 (process_init_element): Add IMPLICIT argument. Pass it down
5748 to output_init_element.
5749 (push_init_element, pop_init_level, set_designator): Adjust
5750 process_init_element callers.
5751 (set_nonincremental_init, set_nonincremental_init_from_string):
5752 Adjust add_pending_init callers.
5753 (output_pending_init_elements): Adjust output_init_element callers.
5754 * c-tree.h (process_init_element): Adjust prototype.
5755 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
5756 process_init_element callers.