OSDN Git Service

b0990589bc48ebdc3e7d057016f1ab776f06f8fc
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-04  Richard Guenther  <rguenther@suse.de>
2
3         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
4         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
5         single-argument PHIs if we are in loop-closed SSA form.
6         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
7         for the pre-condition.
8         (slpeel_tree_peel_loop_to_edge): Likewise.
9         (vect_build_loop_niters): Take an optional sequence to append stmts.
10         (vect_generate_tmps_on_preheader): Likewise.
11         (vect_do_peeling_for_loop_bound): Take extra guards for the
12         pre-condition.
13         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
14         the cost model check.
15         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
16         guards if we are going to peel.  Do not apply versioning in that
17         case.
18         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
19         (vect_do_peeling_for_loop_bound): Likewise.
20         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
21         loop bound only record extra pre-conditions, do not apply loop
22         versioning.
23
24 2009-04-04  Richard Guenther  <rguenther@suse.de>
25
26         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
27         renaming code.
28
29 2009-04-04  Jan Hubicka  <jh@suse.cz>
30
31         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
32         last_basic_block for size of bb->index indexed array.
33         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
34         compute_out, link_btr_uses, build_btr_def_use_webs,
35         build_btr_def_use_webs, migrate_btr_defs): Likewise.
36
37 2009-04-04  Jan Hubicka  <jh@suse.cz>
38
39         * except.c (remove_eh_handler_and_replace): Break out from ...
40         (remove_eh_handler): ... here.
41         (bring_to_root): New function.
42         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
43         handled ones, bring others to root of tree.
44
45 2009-04-04  Jan Hubicka  <jh@suse.cz>
46
47         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
48         (all_phis_safe_to_merge): New function.
49         (update_info): New structure.
50         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
51         (cleanup_empty_eh): Update SSA if possible.
52
53 2009-04-04  Richard Guenther  <rguenther@suse.de>
54
55         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
56         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
57         (append_vuse): Likewise.
58
59 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
60
61         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
62         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
63         instead of REG_UNSAVED for DW_CFA_undefined.
64         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
65         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
66         outermost frame.
67
68 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
69
70         PR target/39501
71         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
72         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
73         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
74
75 2009-04-04  Richard Guenther  <rguenther@suse.de>
76
77         PR tree-optimization/8781
78         PR tree-optimization/37892
79         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
80         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
81         (valueize_refs): Call it for *& valueizations.
82         (shared_reference_ops_from_ref): Rename to ...
83         (valueize_shared_reference_ops_from_ref): ... this and valueize.
84         (shared_reference_ops_from_call): Rename to ...
85         (valueize_shared_reference_ops_from_call): ... this and valueize.
86         (vn_reference_lookup): Update.
87         (visit_reference_op_call): Likewise.
88         * tree-ssa-pre.c (phi_translate_1): Fold *&.
89         (eliminate): Value-replace the call address in call statements.
90
91 2009-04-04  Richard Guenther  <rguenther@suse.de>
92
93         PR tree-optimization/39636
94         * tree-ssa-forwprop.c
95         (forward_propagate_addr_into_variable_array_index): Check for
96         GIMPLE_ASSIGN before accessing the rhs code.
97
98 2009-04-03  Jason Merrill  <jason@redhat.com>
99
100         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
101
102 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
103
104         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
105         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
106         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
107         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
108         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
109         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
110         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
111         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
112         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
113         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
114         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
115         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
116         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
117         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
118         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
119         Use fr_reg_or_fp01_operand instead of fr_register_operand
120
121         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
122         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
123         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
124
125 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
126
127         PR rtl-optimization/39607
128         PR rtl-optimization/39631
129         Revert
130         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
131         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
132         instead of DF_LR_OUT.
133         * ira-lives.c (process_bb_node_lives): Ditto.
134         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
135         instead of DF_LR_{OUT,IN}.
136         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
137         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
138
139 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
140
141         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
142         (execute_lower_omp): Always run but take the short way out if -fopenmp
143         is not given.
144         (gate_lower_omp): Remove, forcing the pass manager to always run the
145         pass and always set PROP_gimple_lomp.
146         (pass_lower_omp): Remove gate function.
147         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
148         PROP_trees.  Instead, require it.
149         * ipa-cp.c (pass_ipa_cp): Likewise.
150         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
151         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
152         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
153         and PROP_gimple_leh.
154
155 2009-04-03  Richard Guenther  <rguenther@suse.de>
156
157         PR middle-end/13146
158         PR tree-optimization/23940
159         PR tree-optimization/33237
160         PR middle-end/33974
161         PR middle-end/34093
162         PR tree-optimization/36201
163         PR tree-optimization/36230
164         PR tree-optimization/38049
165         PR tree-optimization/38207
166         PR tree-optimization/38230
167         PR tree-optimization/38301
168         PR tree-optimization/38585
169         PR middle-end/38895
170         PR tree-optimization/38985
171         PR tree-optimization/39299
172         * tree-ssa-structalias.h: Remove.
173         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
174         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
175         (struct vuse_element_d): Remove.
176         (struct vuse_vec_d): Likewise.
177         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
178         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
179         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
180         VUSE_ELEMENT_VAR): Likewise.
181         (struct voptype_d): Likewise.
182         (NUM_VOP_FREE_BUCKETS): Likewise.
183         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
184         (struct stmt_operands_d): Remove.
185         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
186         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
187         VDEF_NUM, VDEF_VECT): Likewise.
188         (copy_virtual_operands): Remove.
189         (operand_build_cmp): Likewise.
190         (create_ssa_artificial_load_stmt): Likewise.
191         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
192         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
193         vuse_index and mayuse_index members.  Pack and move done and iter_type
194         members to the front.
195         (SSA_OP_VMAYUSE): Remove.
196         (SSA_OP_VIRTUAL_USES): Adjust.
197         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
198         (unlink_stmt_vdef): Declare.
199         (add_to_addressable_set): Remove.
200         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
201         (vrp_visit_stmt): Likewise.
202         * doc/tree-ssa.texi (Alias analysis): Update.
203         * doc/invoke.texi (max-aliased-vops): Remove docs.
204         (avg-aliased-vops): Likewise.
205         * tree-into-ssa.c (syms_to_rename): Remove.
206         (need_to_update_vops_p): Likewise.
207         (need_to_initialize_update_ssa_p): Rename to ...
208         (update_ssa_initialized_fn): ... this.  Track function we are
209         initialized for.
210         (symbol_marked_for_renaming): Simplify.
211         (add_new_name_mapping): Do not set need_to_update_vops_p.
212         (dump_currdefs): Use SYMS_TO_RENAME.
213         (rewrite_update_stmt): Always walk all uses/defs.
214         (dump_update_ssa): Adjust.
215         (init_update_ssa): Take function argument.  Track what we are
216         initialized for.
217         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
218         (create_new_def_for): Initialize for cfun, assert we are initialized
219         for cfun.
220         (mark_sym_for_renaming): Simplify.
221         (mark_set_for_renaming): Do not initialize update-ssa.
222         (need_ssa_update_p): Simplify.  Take function argument.
223         (name_mappings_registered_p): Assert we ask for the correct function.
224         (name_registered_for_update_p): Likewise.
225         (ssa_names_to_replace): Likewise.
226         (release_ssa_name_after_update_ssa): Likewise.
227         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
228         (dump_decl_set): Do not print a newline.
229         (debug_decl_set): Do it here.
230         (dump_update_ssa): And here.
231         * tree-ssa-loop-im.c (move_computations): Adjust.
232         (movement_possibility): Likewise.
233         (determine_max_movement): Likewise.
234         (gather_mem_refs_stmt): Likewise.
235         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
236         or NAME_MEMORY_TAG.
237         * tree-complex.c (update_all_vops): Remove.
238         (expand_complex_move): Adjust.
239         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
240         Simplify test for memory referencing statement.  Exclude
241         non-invariant ADDR_EXPRs.
242         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
243         * tree-loop-distribution.c (generate_memset_zero): Adjust.
244         (rdg_flag_uses): Likewise.
245         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
246         related code.
247         (tree_optimize_tail_calls_1): Also split the
248         edge from the entry block if we have degenerate PHI nodes in
249         the first basic block.
250         * tree.c (init_ttree): Remove memory-tag related code.
251         (tree_code_size): Likewise.
252         (tree_node_structure): Likewise.
253         (build7_stat): Re-write to be build6_stat.
254         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
255         (SSA_VAR_P): Adjust.
256         (struct tree_memory_tag): Remove.
257         (struct tree_memory_partition_tag): Likewise.
258         (union tree_node): Adjust.
259         (build7): Re-write to be build6.
260         * tree-pass.h (pass_reset_cc_flags): Remove.
261         (TODO_update_address_taken): New flag.
262         (pass_simple_dse): Remove.
263         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
264         * params.h (MAX_ALIASED_VOPS): Remove.
265         (AVG_ALIASED_VOPS): Likewise.
266         * omp-low.c (expand_omp_taskreg): Update SSA form.
267         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
268         aliases the lhs in a copy stmt.
269         * tree-ssa-dse.c (struct address_walk_data): Remove.
270         (memory_ssa_name_same): Likewise.
271         (memory_address_same): Likewise.
272         (get_kill_of_stmt_lhs): Likewise.
273         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
274         unused stores.  Look through PHI nodes into post-dominated regions.
275         (dse_optimize_stmt): Simplify.  Properly remove stores.
276         (tree_ssa_dse): Compute dominators.
277         (execute_simple_dse): Remove.
278         (pass_simple_dse): Likewise.
279         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
280         gimple_loaded_syms and gimple_stored_syms computation.
281         * toplev.c (dump_memory_report): Dump alias and pta stats.
282         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
283         (vn_reference_eq): Likewise.
284         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
285         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
286         valueize_vuses): Remove.
287         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
288         (get_def_ref_stmt_vuse): ... this.
289         (vn_reference_lookup_2): New function.
290         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
291         walking equivalent vuses.  Simplify.
292         (vn_reference_lookup): Likewise.
293         (vn_reference_insert): Likewise.
294         (vn_reference_insert_pieces): Likewise.
295         (visit_reference_op_call): Simplify.
296         (visit_reference_op_load): Likewise.
297         (visit_reference_op_store): Likewise.
298         (init_scc_vn): Remove shared_lookup_vuses initialization.
299         (free_scc_vn): Remove shared_lookup_vuses freeing.
300         (sort_vuses, sort_vuses_heap): Remove.
301         (get_ref_from_reference_ops): Export.
302         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
303         vector with single vuse pointer.
304         (vn_reference_lookup_pieces, vn_reference_lookup,
305         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
306         (shared_vuses_from_stmt): Remove.
307         (get_ref_from_reference_ops): Declare.
308         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
309         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
310         memory-tag related code.
311         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
312         (likely_value): Add comment, skip static-chain of call statements.
313         (surely_varying_stmt_p): Adjust.
314         (gimplify_and_update_call_from_tree): Likewise.
315         (execute_fold_all_builtins): Do not rebuild alias info.
316         (gimplify_and_update_call_from_tree): Properly update VOPs.
317         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
318         (copy_ref_info): Remove memory-tag related code.
319         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
320         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
321         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
322         computation.
323         * tree-ssa-dom.c (gimple_p): Remove typedef.
324         (eliminate_redundant_computations): Adjust.
325         (record_equivalences_from_stmt): Likewise.
326         (avail_expr_hash): Likewise.
327         (avail_expr_eq): Likewise.
328         * tree-ssa-propagate.c (update_call_from_tree): Properly
329         update VOPs.
330         (stmt_makes_single_load): Likewise.
331         (stmt_makes_single_store): Likewise.
332         * tree-ssa-alias.c: Rewrite completely.
333         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
334         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
335         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
336         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
337         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
338         Remove public functions.
339         (pass_reset_cc_flags): Remove.
340         (pass_build_alias): Move ...
341         * tree-ssa-structalias.c (pass_build_alias): ... here.
342         * tree-ssa-alias.c (may_be_aliased): Move ...
343         * tree-flow-inline.h (may_be_aliased): ... here.
344         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
345         count_uses_and_derefs): Move ...
346         * gimple.c: ... here.
347         * gimple.h (count_uses_and_derefs): Declare.
348         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
349         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
350         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
351         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
352         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
353         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
354         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
355         New functions.
356         * tree-dfa.c (refs_may_alias_p): Move ...
357         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
358         * tree-ssa-alias.h: New file.
359         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
360         (statement_sink_location): Likewise.
361         * opts.c (decode_options): Do not adjust max-aliased-vops or
362         avg-aliased-vops values.
363         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
364         (TV_CALL_CLOBBER): Likewise.
365         (TV_FLOW_SENSITIVE): Likewise.
366         (TV_FLOW_INSENSITIVE): Likewise.
367         (TV_MEMORY_PARTITIONING): Likewise.
368         (TV_ALIAS_STMT_WALK): New timevar.
369         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
370         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
371         (get_address_description): Remove memory-tag related code.
372         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
373         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
374         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
375         and immediate uses in statements.  Document.
376         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
377         (dump_symbols): Remove.
378         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
379         * alias.c (get_deref_alias_set): New function split out from ...
380         (get_alias_set): ... here.
381         * alias.h (get_deref_alias_set): Declare.
382         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
383         type parameter.  Remove restrict pointer handling.  Create a
384         ref-all pointer in case type-based alias sets do not conflict.
385         (vect_analyze_data_refs): Remove SMT related code.
386         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
387         (vectorizable_load): Likewise.
388         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
389         (DR_SYMBOL_TAG, DR_VOPS): Remove.
390         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
391         Ignore vops and SMTs.
392         (dr_analyze_alias): Likewise..
393         (free_data_ref): Likewise.
394         (create_data_ref): Likewise.
395         (analyze_all_data_dependences): Likewise.
396         (get_references_in_stmt): Adjust.
397         * tree-flow-inline.h (gimple_aliases_computed_p,
398         gimple_addressable_vars, gimple_call_clobbered_vars,
399         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
400         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
401         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
402         gimple_mem_ref_stats): Remove.
403         (gimple_vop): New function.
404         (op_iter_next_use): Remove vuses and mayuses cases.
405         (op_iter_next_def): Remove vdefs case.
406         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
407         (clear_and_done_ssa_iter): Do not set removed fields.
408         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
409         Assert we are not iterating over vuses or vdefs if not also
410         iterating over uses or defs.
411         (op_iter_init_use): Likewise.
412         (op_iter_init_def): Likewise.
413         (op_iter_next_vdef): Remove.
414         (op_iter_next_mustdef): Likewise.
415         (op_iter_init_vdef): Likewise.
416         (compare_ssa_operands_equal): Likewise.
417         (link_use_stmts_after): Handle vuse operand.
418         (is_call_used): Use is_call_clobbered.
419         (is_call_clobbered): Global variables are always call clobbered,
420         query the call-clobbers bitmap.
421         (mark_call_clobbered): Ignore global variables.
422         (clear_call_clobbered): Likewise.
423         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
424         virtual operands sanity check.
425         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
426         Remove.
427         (TARGET_MEM_REF): Remove TMR_TAG operand.
428         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
429         Remove call-clobber related code.
430         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
431         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
432         partitions or escape reason.
433         (get_single_def_stmt, get_single_def_stmt_from_phi,
434         get_single_def_stmt_with_phi): Remove.
435         (dump_referenced_vars): Tidy.
436         (get_ref_base_and_extent): Allow bare decls.
437         (collect_dfa_stats): Adjust.
438         * graphite.c (rename_variables_in_stmt): Adjust.
439         (graphite_copy_stmts_from_block): Likewise.
440         (translate_clast): Likewise.
441         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
442         (EXPR_DIES): New.
443         (translate_vuse_through_block): Use the oracle.
444         (phi_translate_1): Adjust.
445         (value_dies_in_block_x): Use the oracle.  Cache the outcome
446         in EXPR_DIES.
447         (valid_in_sets): Check if the VUSE for
448         a REFERENCE is available.
449         (eliminate): Do not remove stmts during elimination,
450         instead queue and remove them afterwards.
451         (do_pre): Do not rebuild alias info.
452         (pass_pre): Run TODO_rebuild_alias before PRE.
453         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
454         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
455         (mark_all_v_defs_stmt): Remove.
456         (mark_all_v_defs_seq): Adjust.
457         (sra_replace): Likewise.
458         (scalarize_use): Likewise.
459         (scalarize_copy): Likewise.
460         (scalarize_init): Likewise.
461         (scalarize_ldst): Likewise.
462         (todoflags): Remove.
463         (tree_sra): Do not rebuild alias info.
464         (tree_sra_early): Adjust.
465         (pass_sra): Run TODO_update_address_taken before SRA.
466         * tree-predcom.c (set_alias_info): Remove.
467         (prepare_initializers_chain): Do not call it.
468         (mark_virtual_ops_for_renaming): Adjust.
469         (mark_virtual_ops_for_renaming_list): Remove.
470         (initialize_root_vars): Adjust.
471         (initialize_root_vars_lm): Likewise.
472         (prepare_initializers_chain): Likewise.
473         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
474         (may_propagate_copy_into_stmt): Likewise.
475         (merge_alias_info): Do nothing for now.
476         (propagate_tree_value_into_stmt): Adjust.
477         (stmt_may_generate_copy): Likewise.
478         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
479         not mark symbols for renaming.
480         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
481         with the same statement, make sure to update the new pointed-to one.
482         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
483         call statements, do not mark symbols for renaming.
484         (mark_operand_necessary): Dump something.
485         (ref_may_be_aliased): New function.
486         (mark_aliased_reaching_defs_necessary_1): New helper function.
487         (mark_aliased_reaching_defs_necessary): Likewise.
488         (mark_all_reaching_defs_necessary_1): Likewise.
489         (mark_all_reaching_defs_necessary): Likewise.
490         (propagate_necessity): Do not process virtual PHIs.  For
491         non-aliased loads mark all reaching definitions as necessary.
492         For aliased loads and stores mark the immediate dominating
493         aliased clobbers as necessary.
494         (visited): New global static.
495         (perform_tree_ssa_dce): Free visited bitmap after propagating
496         necessity.
497         (remove_dead_phis): Perform simple dead virtual PHI removal.
498         (remove_dead_stmt): Properly unlink virtual operands when
499         removing stores.
500         (eliminate_unnecessary_stmts): Schedule PHI removal after
501         stmt removal.
502         * tree-ssa-ter.c (is_replaceable_p): Adjust.
503         (process_replaceable): Likewise.
504         (find_replaceable_in_bb): Likewise.
505         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
506         based on the single gimple vop.
507         (verify_flow_insensitive_alias_info): Remove.
508         (verify_flow_sensitive_alias_info): Likewise.
509         (verify_call_clobbering): Likewise.
510         (verify_memory_partitions): Likewise.
511         (verify_alias_info): Likewise.
512         (verify_ssa): Adjust..
513         (execute_update_addresses_taken): Export.  Update SSA
514         manually.  Optimize only when optimizing.  Use a local bitmap.
515         (pass_update_address_taken): Remove TODO_update_ssa, add
516         TODO_dump_func.
517         (pass_update_address_taken): Just use TODO_update_address_taken.
518         (init_tree_ssa): Do not initialize addressable_vars.
519         (verify_ssa): Verify new VUSE / VDEF properties.
520         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
521         Do not call verify_alias_info.
522         (delete_tree_ssa): Clear the VUSE, VDEF operands.
523         Do not free the loaded and stored syms bitmaps.  Reset the escaped
524         and callused solutions.  Do not free addressable_vars.
525         Remove memory-tag related code.
526         (warn_uninitialized_var): Aliases are always available.
527         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
528         * lambda-code.c (can_put_in_inner_loop): Adjust.
529         (can_put_after_inner_loop): Likewise.
530         (perfect_nestify): Likewise.
531         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
532         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
533         (vectorizable_conversion): Do not mark symbols for renaming.
534         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
535         (expand_call_inline): Unlink the calls virtual operands before
536         replacing it.
537         (tree_function_versioning): Do not call update_ssa if we are not
538         updating clones.  Simplify.
539         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
540         (propagate_with_phi): Likewise..
541         * tree-outof-ssa.c (create_temp): Remove memory tag and call
542         clobber code.  Assert we are not aliased or global.
543         * tree-flow.h: Include tree-ssa-alias.h
544         (enum escape_type): Remove.
545         (struct mem_sym_stats_d): Likewise.
546         (struct mem_ref_stats_d): Likewise.
547         (struct gimple_df): Add vop member.  Remove global_var,
548         call_clobbered_vars, call_used_vars, addressable_vars,
549         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
550         escaped and callused members.
551         (struct ptr_info_def): Remove all members, add points-to solution
552         member pt.
553         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
554         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
555         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
556         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
557         (tree-ssa-alias.o): Likewise.
558         (toplev.o): Add tree-ssa-alias.h
559         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
560         * gimple.c (gimple_set_bb): Fix off-by-one error.
561         (is_gimple_reg): Do not handle memory tags.
562         (gimple_copy): Also copy virtual operands.
563         Delay updating the statement.  Do not reset loaded and stored syms.
564         (gimple_set_stored_syms): Remove.
565         (gimple_set_loaded_syms): Likewise.
566         (gimple_call_copy_skip_args): Copy the virtual operands
567         and mark the new statement modified.
568         * tree-ssa-structalias.c (may_alias_p): Remove.
569         (set_uids_in_ptset): Take the alias set to prune with as
570         parameter.  Fold in the alias test of may_alias_p.
571         (compute_points_to_sets): Compute whether a ptr is dereferenced
572         in a local sbitmap.
573         (process_constraint): Deal with &ANYTHING on the lhs, reject all
574         other ADDRESSOF constraints on the lhs.
575         (get_constraint_for_component_ref): Assert that we don't get
576         ADDRESSOF constraints from the base of the reference.
577         Properly generate UNKNOWN_OFFSET for DEREF if needed.
578         (struct variable_info): Remove collapsed_to member.
579         (get_varinfo_fc): Remove.
580         (new_var_info): Do not set collapsed_to.
581         (dump_constraint): Do not follow cycles.
582         (dump_constraint_graph): Likewise.
583         (build_pred_graph): Likewise.
584         (build_succ_graph): Likewise.
585         (rewrite_constraints): Likewise.
586         (do_simple_structure_copy): Remove.
587         (do_rhs_deref_structure_copy): Remove.
588         (do_lhs_deref_structure_copy): Remove.
589         (collapse_rest_of_var): Remove.
590         (do_structure_copy): Re-implement.
591         (pta_stats): New global variable.
592         (dump_pta_stats): New function.
593         (struct constraint_expr): Make offset signed.
594         (UNKNOWN_OFFSET): Define special value.
595         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
596         (solution_set_expand): New helper function split out from ...
597         (do_sd_constraint): ... here.
598         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
599         (do_ds_constraint): Likewise.
600         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
601         and CALLUSED = *CALLUSED.
602         (set_union_with_increment): Make inc argument signed.
603         (type_safe): Remove.
604         (get_constraint_for_ptr_offset): Handle unknown and negative
605         constant offsets.
606         (first_vi_for_offset): Handle offsets before start.  Bail
607         out early for offsets beyond the variable extent.
608         (first_or_preceding_vi_for_offset): New function.
609         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
610         Together with ESCAPED = *ESCAPED this properly computes reachability.
611         (find_what_var_points_to): New function.
612         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
613         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
614         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
615         pt_solutions_intersect): New functions.
616         (compute_call_used_vars): Remove.
617         (compute_may_aliases): New main entry into PTA computation.
618         * gimple.h (gimple_p): New typedef.
619         (struct gimple_statement_base): Remove references_memory_p.
620         (struct gimple_statement_with_memory_ops_base): Remove
621         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
622         members.
623         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
624         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
625         gimple_set_references_memory): Remove.
626         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
627         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
628         New functions.
629         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
630         (verify_expr): Allow RESULT_DECL.
631         (gimple_duplicate_bb): Do not copy virtual operands.
632         (gimple_duplicate_sese_region): Adjust.
633         (gimple_duplicate_sese_tail): Likewise.
634         (mark_virtual_ops_in_region): Remove.
635         (move_sese_region_to_fn): Do not call it.
636         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
637         and pass_simple_dse.
638         (execute_function_todo): Handle TODO_update_address_taken,
639         call execute_update_addresses_taken for TODO_rebuild_alias.
640         (execute_todo): Adjust.
641         (execute_one_pass): Init dump files early.
642         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
643         call-clobbered.
644         (create_general_new_stmt): Clear vops.
645         * tree-ssa-reassoc.c (get_rank): Adjust.
646         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
647         symbols for renaming.
648         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
649         (PARAM_AVG_ALIASED_VOPS): Likewise.
650         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
651         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
652         * tree-ssa-operands.c: Simplify for new virtual operand
653         representation.
654         (operand_build_cmp, copy_virtual_operands,
655         create_ssa_artificial_load_stmt, add_to_addressable_set,
656         gimple_add_to_addresses_taken): Remove public functions.
657         (unlink_stmt_vdef): New function.
658
659 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
660
661         * config.gcc (powerpc-*-linux*): Merge variants.
662
663 2009-04-02  Chao-ying Fu  <fu@mips.com>
664             James Grosbach <james.grosbach@microchip.com>
665
666         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
667         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
668         cop0_sp_offset.
669         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
670         keep_interrupts_masked_p, use_debug_exception_return_p.
671         (mips_attribute_table): Add interrupt, use_shadow_register_set,
672         keep_interrupts_masked, use_debug_exception_return.
673         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
674         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
675         New functions.
676         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
677         (mips_print_operand): Process COP0 registers to print $0 .. $31
678         correctly for GAS to process.
679         (mips_interrupt_extra_call_saved_reg_p): New function.
680         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
681         extra registers.
682         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
683         (mips_compute_frame_info): Add supports for interrupt context that
684         includes doubleword accumulators and COP0 registers.
685         (mips_for_each_saved_acc): New function.
686         (mips_for_each_saved_gpr_and_fpr): Change the function name from
687         mips_for_each_saved_reg.
688         (mips_save_reg): Save accumulators.
689         (mips_kernel_reg_p): A new for_each_rtx callback.
690         (mips_expand_prologue): Support interrupt handlers.
691         (mips_restore_reg): Restore accumulators.
692         (mips_expand_epilogue): Support interrupt handlers.
693         (mips_can_use_return_insn): Return false for interrupt handlers.
694         (mips_epilogue_uses): New function.
695         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
696         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
697         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
698         cop0_move): New instructions.
699         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
700         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
701         defines.
702         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
703         New defines.
704         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
705         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
706         interrupt handlers, we use K0 as the temporary register.
707         (EPILOGUE_USES): Change to a function call.
708         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
709         handlers, we use K0 as the temporary register.
710         
711         * doc/extend.texi (Function Attributes): Document interrupt,
712         use_shadow_register_set, keep_interrupts_masked,
713         use_debug_exception_return for MIPS attributes.
714
715 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
716
717         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
718         Remove a number of t-files from tmake_file.
719         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
720         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
721         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
722         target_prototype, not TARGET_PROTOTYPE.
723         (LINK_OS_GNU_SPEC): Define.
724         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
725         and darwin-ldoubdle.c.
726
727 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
728
729         PR driver/39293
730         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
731         (cpp_options): Ditto.
732         (default_compilers): Ditto.
733         (display_help): Ditto.
734         (process_command): Ditto.
735         (do_spec_1): Ditto.
736         (set_input): Use lbasename instead of duplicate code.
737         (save_temps_prefix): New static for -save-temps=obj.
738         (save_temps_length): Ditto.
739         
740         * doc/invoke.texi (-save-temps=obj): Document new variant to
741         -save-temps switch.
742
743 2009-04-02  Jeff Law  <law@redhat.com>
744
745         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
746         variable.
747
748 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
749
750         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
751         * configure: Regenerated.
752
753 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
754
755         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
756         share the argument list.
757
758 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
759
760         Merge
761
762         2009-02-12  Diego Novillo  <dnovillo@google.com>
763
764         * varpool.c (debug_varpool): New.
765         * cgraph.h (debug_varpool): Declare.
766
767 2009-04-02  Jan Hubicka  <jh@suse.cz>
768
769         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
770         pass.
771
772 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
773
774         * config/i386/i386.c (ix86_abi): Move initialization to ...
775         (override_options): Here.
776
777 2009-04-02  Christian Bruel  <christian.bruel@st.com>
778
779         * config/sh/sh.c (sh_dwarf_register_span): New function.
780         (TARGET_DWARF_REGISTER_SPAN): Define.
781         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
782         
783 2009-04-02  Ira Rosen  <irar@il.ibm.com>
784
785         PR tree-optimization/39595
786         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
787         interleaved loads group is not  greater than the SLP group size.
788
789 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
790
791         * builtins.c (is_builtin_name): New.
792         (called_as_built_in): Use is_builtin_name.
793         * tree.h (is_builtin_name): New.
794         * varasm.c (incorporeal_function_p): Use is_builtin_name
795
796 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
797
798         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
799
800 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
801
802         PR c++/26693
803         * c-decl.c: (clone_underlying_type): Move this ...
804         * c-common.c (set_underlying_type): ... here.
805         Also, make sure the function properly sets TYPE_STUB_DECL() on
806         the newly created typedef variant type.
807         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
808         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
809
810 2009-04-02  Richard Guenther  <rguenther@suse.de>
811
812         PR tree-optimization/37221
813         * tree-flow.h (degenerate_phi_result): Declare.
814         * tree-ssa-dom.c (degenerate_phi_result): Export.
815         * tree-scalar-evolution.c (analyze_initial_condition): If
816         the initial condition is defined by a degenerate PHI node
817         use the degenerate value.
818
819 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
820
821         PR rtl-optimization/39588
822         * combine.c (merge_outer_ops): Do not set the constant when this
823         is not necessary.
824         (simplify_shift_const_1): Do not modify it either in this case.
825
826 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
827
828         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
829         tuning is deprecated if -mtune value is set to an Itanium1 variant.
830
831 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
832
833         PR c/29027
834         * c-lex.c (interpret_float): Default (no suffix) is double.
835
836 2009-04-1  Xinliang David Li  <davidxl@google.com>
837
838         * config/i386/i386.c (legitimate_constant_p): Recognize
839         all one vector constant.
840
841 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
842
843         * gcc/config/vax/vax.c: Add #includes to silence warnings.
844         Change #include order to silence two warnings.
845
846 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
847
848         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
849         (ASM_SPEC): Pass -k to the assembler for PIC code.
850
851 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
852
853         * gcc/config.gcc: Add vax-*-linux* to the switch.
854         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
855         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
856
857 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
858
859         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
860         Use predicate macros instead of GET_CODE() == foo.
861         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
862         ashlsi3, rotrsi3, <unnamed>): Likewise.
863
864 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
865
866         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
867         jbbccihi, jbbccisi): Remova trailing whitespace.
868         * gcc/config/vax/constraints.md: Likewise.
869         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
870         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
871         * gcc/config/vax/predicates.md: Likewise.
872         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
873         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
874         * gcc/config/vax/vax.h: Likewise.
875         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
876
877 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
878
879         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
880         (indirectable_address_p, adjacent_operands_p): Add spaces around
881         braces.
882         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
883
884 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
885
886         * gcc/config/vax/vax.c (legitimate_constant_address_p,
887         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
888         index_term_p, reg_plus_index_p, legitimate_address_p,
889         vax_mode_dependent_address_p): Update comments to match functions
890         modified by the recent int->bool conversion.
891
892 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
893
894         * gcc/config/vax/builtins.md: Update copyright message.
895         * gcc/config/vax/constraints.md: Likewise.
896         * gcc/config/vax/netbsd-elf.h: Likewise.
897         * gcc/config/vax/predicates.md: Likewise.
898         * gcc/config/vax/vax-protos.h: Likewise.
899         * gcc/config/vax/vax.c: Likewise.
900         * gcc/config/vax/vax.h: Likewise.
901         * gcc/config/vax/vax.md: Likewise.
902         * gcc/config/vax/vax.opt: Likewise.
903
904 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
905
906         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
907         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
908         * gcc/config/vax/constraints.md (B, R): Likewise.
909         * gcc/config/vax/predicates.md (external_memory_operand,
910         nonimmediate_addsub_di_operand): Likewise.
911         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
912         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
913         untyped_call): Likewise.
914
915 2009-04-01      Matt Thomas <matt@3am-software.com>
916
917         * config/vax/predicates.md: New file. (symbolic_operand,
918         local_symbolic_operand, external_symbolic_operand,
919         external_const_operand, nonsymbolic_operand, external_memory_operand,
920         indirect_memory_operand, indexed_memory_operand,
921         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
922         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
923         predicate.
924         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
925         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
926         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
927         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
928         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
929         * config/vax/vax.opt (mqmath): Add option.
930         * config/vax/vax.md (isfx): Extend with DI.
931         (VAXintQH, VAXintQHSD): Define.
932         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
933         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
934         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
935         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
936         (movdi): Update constraints and use vax_output_int_move().
937         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
938         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
939         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
940         nonlocal_goto): New.
941         (mov<mode>): Extend accepted operand types.
942         (subdi3_old): Rename from subdi3, change update constraints and use
943         a new implementation.
944         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
945         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
946         MOVE_RATIO, CLEAR_RATIO): Define.
947         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
948         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
949         (PRINT_OPERAND): Redefine using a function instead of inlined code.
950         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
951         (split_quadword_operands): Make static and really allow variable
952         splitting.
953         (print_operand_address): Update for PIC generation.
954         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
955         indexable_address_p, fixup_mathdi_operand,
956         vax_expand_addsub_di_operands, adjacent_operands_p): New.
957         (vax_float_literal, legitimate_constant_p,
958         indirectable_constant_address_p, index_term_p,
959         reg_plus_index_p): Return bool instead of int.
960         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
961         where needed.
962         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
963         generation.
964         (vax_output_conditional_branch): Indent.
965         (legitimate_constant_address_p, indirectable_constant_address_p,
966         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
967         vax_mode_dependent_address_p): Return bool instead of int, update for
968         PIC generation.
969         * config/vax/vax-protos.h (legitimate_constant_address_p,
970         legitimate_constant_p, legitimate_address_p,
971         vax_mode_dependent_address_p): Change declaration to bool.
972         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
973         vax_expand_addsub_di_operands, vax_output_int_subtract,
974         vax_output_movmemsi): Declare.
975         (split_quadword_operands, vax_float_literal): Delete declaration.
976         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
977         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
978         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
979         ASM_OUTPUT_DWARF_PCREL): Define.
980         (ASM_SPEC): Change definition to allow PIC generation.
981
982 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
983
984         PR target/39226
985         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
986         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
987         (booldi3_internal3): Use boolean_or_operator instead of
988         boolean_operator.
989
990 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
991
992         PR c/39605
993         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
994         declarator whose size is not an integer constant expression but
995         folds to an integer constant, then treat it as a constant
996         subsequently.
997
998 2009-04-01  Richard Guenther  <rguenther@suse.de>
999
1000         * fold-const.c (fold_plusminus_mult_expr): Do not fold
1001         i * 4 + 2 to (i * 2 + 1) * 2.
1002
1003 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1004
1005         PR c/37772
1006         * c-parser.c (c_parser_asm_statement): Skip until close paren and
1007         return if c_parser_asm_string_literal returned NULL.
1008
1009 2009-04-01  Nick Clifton  <nickc@redhat.com>
1010
1011         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1012         already defined.
1013         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1014         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
1015         other typedefs to avoid conflicts with libgcc2.c.  Define labels
1016         to gain 16-bit bit-manipulation functions from libgcc2.c and then
1017         include it.
1018         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
1019         to gain 16-bit trapping arithmetic functions from libgcc2.c and
1020         then include it.
1021
1022 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
1023
1024        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1025
1026 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
1027             Andrey Galkin <agalkin@hypercom.com>
1028
1029         PR/39492
1030         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1031         Make object_name unique for each process.
1032
1033 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR other/39591
1036         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1037         addressable variables in the parallel that could go out of scope while
1038         running queued tasks.
1039
1040 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
1041
1042         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1043         (CASE_VALUES_THRESHOLD): Redefine.
1044         * config/avr/avr.c (avr_override_options): Remove initialization of
1045         avr_case_values_threshold variable.
1046         (avr_case_values_threshold): Remove variable. Add new function.
1047         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1048         * config/avr/avr.opt (mno-tablejump): Remove option.
1049         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1050
1051 2009-04-01  DJ Delorie  <dj@redhat.com>
1052
1053         * varasm.c (default_function_rodata_section): Don't assume
1054         anything about where the first '.' in the section name is.
1055
1056 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
1057
1058         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1059         rs6000_emit_stack_tie.
1060
1061 2009-03-31  Ian Lance Taylor  <iant@google.com>
1062
1063         * tree-eh.c (tree_remove_unreachable_handlers): Compare
1064         gimple_code with GIMPLE_RESX, not RESX.
1065
1066 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1067
1068         * c-common.c (c_get_ident): New.
1069         (c_common_nodes_and_builtins): Call it for type names that may be
1070         NULL.
1071
1072 2009-04-01  Ben Elliston  <bje@au.ibm.com>
1073
1074         * config/rs6000/sysv4.opt (msdata): Improve option description.
1075
1076 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
1077
1078         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1079         (divdf3_internal_lat): Remove.
1080         (divxf3_internal_lat): Remove.
1081         (divxf3_internal_thr): Remove.
1082         (divxf): Use divxf3_internal.
1083         * config/ia64/div.md (divsf3_internal_lat): New.
1084         (divdf3_internal_lat): New.
1085         (divxf3_internal): New.
1086
1087 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1088
1089         PR c/448
1090         * Makefile.in (USE_GCC_STDINT): Define.
1091         (stmp-int-hdrs): Install stdint.h if applicable.
1092         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1093         if known.
1094         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1095         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1096         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1097         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1098         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1099         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1100         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1101         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1102         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1103         (c_common_nodes_and_builtins): Initialize
1104         underlying_wchar_type_node.  Do not initialize
1105         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
1106         nodes for new types.
1107         (c_stddef_cpp_builtins): Define macros for new types.
1108         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1109         Remove.
1110         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1111         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1112         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1113         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1114         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1115         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1116         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1117         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1118         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1119         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1120         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1121         int16_type_node, int32_type_node, int64_type_node,
1122         uint8_type_node, uint16_type_node, c_uint32_type_node,
1123         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1124         int_least32_type_node, int_least64_type_node,
1125         uint_least8_type_node, uint_least16_type_node,
1126         uint_least32_type_node, uint_least64_type_node,
1127         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1128         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1129         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1130         uintptr_type_node): Define.
1131         * c-cppbuiltin.c (builtin_define_constants,
1132         builtin_define_type_minmax): New.
1133         (builtin_define_stdint_macros): Define more macros.
1134         (c_cpp_builtins): Define more limit macros.
1135         (type_suffix): New.
1136         (builtin_define_type_max): Define in terms of
1137         builtin_define_type_minmax.  Remove is_long parameter.  All
1138         callers changed.
1139         * config.gcc (use_gcc_stdint): Define.
1140         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1141         Add newlib-stdint.h for generic targets.
1142         * config/glibc-stdint.h, config/newlib-stdint.h,
1143         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1144         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1145         * config/score/score.h (UINTPTR_TYPE): Define.
1146         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1147         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1148         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1149         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1150         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1151         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1152         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1153         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1154         * config/spu/spu.h (STDINT_LONG32): Define.
1155         * configure.ac (use_gcc_stdint): Substitute.
1156         * configure: Regenerate.
1157         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1158         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1159         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1160         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1161         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1162         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1163         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1164         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1165         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1166         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1167         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1168         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1169         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1170         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1171         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1172         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1173         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1174         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1175         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1176         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1177         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1178         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1179         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1180         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1181         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1182         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1183         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1184         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1185         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1186
1187 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1188
1189         * loop-iv.c (suitable_set_for_replacement): Renamed from
1190         simplify_using_assignment; changed to return bool and to accept new
1191         args DEST and SRC.  Return true iff we find a source/destination pair
1192         that can be used to make a replacement, and fill SRC and DEST if so.
1193         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
1194         changed.
1195         (simplify_using_initial_values): Deal with altered regs here and track
1196         more precisely the effect they have on the validity of our expression.
1197
1198         * loop-iv.c (simplify_using_condition): A condition of the form
1199         (EQ REG CONST) can be used to simply make a substitution.
1200         (simplify_using_initial_values): Keep track of conditions we have seen
1201         and keep using them to simplify new expressions, while applying the
1202         same substitutions to them as to the expression.
1203
1204         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1205         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1206         GEU/LTU reversed.
1207
1208         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
1209         changed.  Use this when trying to improve the upper bound.
1210         Generate the comparison by using simplify_gen_relational.
1211
1212         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1213
1214         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1215         functions.
1216         (simplify_using_assignment, simplify_using_initial_values): Call 
1217         replace_in_expr to make replacements.  Call replace_single_def_regs
1218         once on the initial version of the expression.
1219
1220 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1221
1222         PR target/27237
1223         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1224         
1225 2009-03-31  Richard Guenther  <rguenther@suse.de>
1226
1227         PR middle-end/31029
1228         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1229         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
1230
1231 2009-03-31  Richard Guenther  <rguenther@suse.de>
1232
1233         * tree.h (div_if_zero_remainder): Declare.
1234         * fold-const.c (div_if_zero_remainder): Export.
1235         * tree-ssa-forwprop.c
1236         (forward_propagate_addr_into_variable_array_index): Handle
1237         constant array index addition outside of the variable index.
1238
1239 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1240
1241         PR target/39592
1242         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1243         define_splits, floatunssi<mode>2): Require x87 conversions from
1244         DImode to be permitted.
1245
1246 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1247
1248         PR preprocessor/15638
1249         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1250
1251 2009-03-31  Richard Guenther  <rguenther@suse.de>
1252
1253         PR middle-end/23401
1254         PR middle-end/27810
1255         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1256         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1257         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1258         a separate statement.
1259         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1260         (lookup_tmp_var): Likewise.
1261         (is_gimple_formal_tmp_or_call_rhs): Remove.
1262         (is_gimple_reg_or_call_rhs): Rename to ...
1263         (is_gimple_reg_rhs_or_call): ... this.
1264         (is_gimple_mem_or_call_rhs): Rename to ...
1265         (is_gimple_mem_rhs_or_call): ... this.
1266         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
1267         DECL_GIMPLE_REG_P only if is_formal is true.
1268         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
1269         for non-proper post-modify expression gimplification.
1270         (gimplify_self_mod_expr): For post-modify expressions gimplify
1271         the lvalue to a minimal lvalue.
1272         (rhs_predicate_for): Remove formal temp case.
1273         (gimplify_modify_expr_rhs): Likewise.
1274         (gimplify_addr_expr): Use is_gimple_reg.
1275         (gimplify_expr): Remove formal temp cases.
1276         (gimple_regimplify_operands): Likewise.
1277         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1278         and FILTER_EXPR like constants.
1279         * gimple.c (walk_gimple_op): Fix val_only initialization, use
1280         is_gimple_reg.
1281         (is_gimple_formal_tmp_rhs): Remove.
1282         (is_gimple_reg_rhs): Remove special casing.
1283         (is_gimple_mem_rhs): Fix.
1284         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1285         (is_gimple_formal_tmp_var): Remove.
1286         (is_gimple_formal_tmp_reg): Likewise.
1287         (is_gimple_min_lval): Allow invariant component ref parts.
1288         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1289         is_gimple_formal_tmp_reg): Remove declarations.
1290         * tree-cfg.c (verify_expr): Verify that variables with address
1291         taken do not have DECL_GIMPLE_REG_P set.
1292         * tree-mudflap.c (mf_build_check_statement_for): Use
1293         force_gimple_operand instead of gimplify_expr.
1294
1295 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
1296
1297         * modulo-sched.c (sms_schedule_by_order): Pass the actual
1298         schedulable rows to compute_split_row.
1299
1300 2009-03-31  Ben Elliston  <bje@au.ibm.com>
1301
1302         PR target/31635
1303         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1304         OPT_mvrsave.
1305
1306 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1307
1308         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1309         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1310         * configure: Regenerate.
1311         * config.in: Regenerate.
1312         * config/rs6000/rs6000.opt (mtls-markers): Add.
1313         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1314         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1315         (tls_ld_aix, tls_ld_sysv): Likewise.
1316         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1317         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1318
1319 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1320
1321         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1322
1323 2009-03-30  Jan Hubicka  <jh@suse.cz>
1324
1325         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1326         out of RESX.
1327         (tree_remove_unreachable_handlers): Cleanup EH predecestor
1328         detection and label handling.
1329
1330 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1331
1332         * ira-int.h (ira_allocno): Rename left_conflicts_num to
1333         left_conflicts_size.
1334         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1335         ALLOCNO_LEFT_CONFLICTS_SIZE.
1336
1337         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1338         remove_allocno_from_bucket_and_push,
1339         allocno_spill_priority_compare, push_allocnos_to_stack,
1340         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1341         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1342         (setup_allocno_left_conflicts_num): Ditto.  Rename to
1343         setup_allocno_left_conflicts_size.
1344         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1345         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1346         setup_allocno_left_conflicts_size instead of
1347         setup_allocno_left_conflicts_num.
1348
1349         * ira-build.c (ira_create_allocno): Use
1350         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1351         ALLOCNO_LEFT_CONFLICTS_NUM.
1352                 
1353 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1354
1355         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1356         instead of DF_LR_OUT.
1357
1358         * ira-lives.c (process_bb_node_lives): Ditto.
1359
1360         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1361         instead of DF_LR_{OUT,IN}.
1362
1363         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1364
1365         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1366
1367 2009-03-30  Jan Hubicka  <jh@suse.cz>
1368
1369         * except.c (label_to_region_map): Fix thinko.
1370
1371 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
1372
1373         PR middle-end/38237
1374         * tree.h (tree_find_value): New declaration.
1375         * tree.c (tree_find_value): New function.
1376         * varasm.c (assemble_external): Avoid duplicate entries on lists.
1377
1378 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1379
1380         PR debug/39563
1381         * c-decl.c (struct c_binding): Add locus field.
1382         (bind): Add locus argument, set locus field from it.
1383         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1384         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1385         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1386         implicitly_declare, undeclared_variable, lookup_label,
1387         declare_label, c_make_fname_decl, c_builtin_function,
1388         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1389         bind callers.
1390
1391 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1392
1393         PR target/38781
1394         * config/i386/i386.c (classify_argument): Check total size of
1395         structure.
1396
1397 2009-03-30  Martin Jambor  <mjambor@suse.cz>
1398
1399         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1400         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1401         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1402         respectively.
1403
1404         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1405         seen_variable_array_ref while also traversing a union.
1406
1407         * tree-inline.c (optimize_inline_calls): Do not call
1408         cgraph_node_remove_callees.
1409         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1410         (pass_remove_cgraph_callee_edges): New variable.
1411         * passes.c (init_optimization_passes): Add
1412         pass_remove_cgraph_callee_edges after early inlining and before all
1413         late intraprocedural passes.
1414
1415         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1416
1417 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1418
1419         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1420         Fix typos in names.
1421
1422 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1423
1424         * combine.c (simplify_comparison): Use have_insn_for.
1425         * dojump.c (do_jump): Likewise.
1426
1427 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1428
1429         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1430         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1431         sparc_compare_op0 like sparc_compare_emitted used to be handled.
1432         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1433         instead of sparc_compare_emitted.
1434         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1435         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1436         instead of sparc_compare_emitted.
1437
1438 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1441         enter/exit cfglayout mode.
1442         (pass_partition_block): Require it.
1443         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1444         (combine_instructions): Track basic blocks instead of labels.
1445         (update_cfg_for_uncondjump): New.
1446         (try_combine): Use it.  Update jumps after rescanning.
1447         (pass_combine): Require PROP_cfglayout.
1448         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1449
1450 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1451
1452         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1453         Provide/destroy PROP_cfglayout respectively.
1454         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1455         * tree-pass.h (PROP_cfglayout): New.
1456
1457 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1458
1459         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1460         fold_convert_const_fixed_from_fixed,
1461         fold_convert_const_fixed_from_int,
1462         fold_convert_const_fixed_from_real, fold_negate_const): Do not
1463         set TREE_CONSTANT_OVERFLOW.
1464         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1465         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1466
1467 2009-03-30  Ira Rosen  <irar@il.ibm.com>
1468
1469         * tree-vect-loop-manip.c: New file.
1470         * tree-vectorizer.c: Update documentation and included files.
1471         (vect_loop_location): Make extern.
1472         (rename_use_op): Move to tree-vect-loop-manip.c
1473         (rename_variables_in_bb, rename_variables_in_loop, 
1474         slpeel_update_phis_for_duplicate_loop, 
1475         slpeel_update_phi_nodes_for_guard1,
1476         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1477         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1478         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1479         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
1480         find_loop_location): Likewise.
1481         (new_stmt_vec_info): Move to tree-vect-stmts.c.
1482         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1483         get_vectype_for_scalar_type, vect_is_simple_use,
1484         supportable_widening_operation, supportable_narrowing_operation):
1485         Likewise.
1486         (bb_in_loop_p): Move to tree-vect-loop.c.
1487         (new_loop_vec_info, destroy_loop_vec_info, 
1488         reduction_code_for_scalar_code, report_vect_op, 
1489         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1490         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1491         (vect_supportable_dr_alignment): Likewise.
1492         * tree-vectorizer.h (tree-data-ref.h): Include.
1493         (vect_loop_location): Declare.
1494         Reorganize function declarations according to the new file structure.
1495         * tree-vect-loop.c: New file.
1496         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
1497         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1498         * tree-vect-data-refs.c: New file.
1499         * tree-vect-patterns.c (timevar.h): Don't include.
1500         * tree-vect-stmts.c: New file.
1501         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
1502         tree-vect-slp.c, tree-vect-loop.c.
1503         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
1504         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
1505         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1506         (tree-vect-analyze.o): Remove.
1507         (tree-vect-transform.o): Likewise.
1508         (tree-vect-data-refs.o): Add rule.
1509         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
1510         tree-vect-slp.o): Likewise.
1511         (tree-vect-patterns.o): Remove redundant dependencies.
1512         (tree-vectorizer.o): Likewise.
1513         * tree-vect-slp.c: New file.
1514
1515 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1516
1517         * optc-gen.awk: Warn if an option flag has multiple different
1518         help strings.
1519
1520 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
1521
1522         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1523         -floop-block): Document dependences on PPL, CLooG and Graphite.
1524
1525 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1526
1527         PR rtl-optimization/323
1528         * c-common.c (c_fully_fold, convert_and_check,
1529         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1530         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1531         * c-common.def (EXCESS_PRECISION_EXPR): New.
1532         * c-cppbuiltin.c (builtin_define_float_constants): Define
1533         constants with enough digits for long double.
1534         * c-lex.c (interpret_float): Interpret constant with excess
1535         precision where appropriate.
1536         * c-opts.c (c_common_post_options): Set
1537         flag_excess_precision_cmdline.  Give an error for
1538         -fexcess-precision=standard for C++ for processors where the
1539         option is significant.
1540         * c-parser.c (c_parser_conditional_expression): Handle excess
1541         precision in condition.
1542         * c-typeck.c (convert_arguments): Handle arguments with excess
1543         precision.
1544         (build_unary_op): Move excess precision outside operation.
1545         (build_conditional_expr): Likewise.
1546         (build_compound_expr): Likewise.
1547         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1548         (build_modify_expr): Handle excess precision in RHS.
1549         (convert_for_assignment): Handle excess precision in converted
1550         value.
1551         (digest_init, output_init_element, process_init_element): Handle
1552         excess precision in initializer.
1553         (c_finish_return): Handle excess precision in return value.
1554         (build_binary_op): Handle excess precision in operands and add
1555         excess precision as needed for operation.
1556         * common.opt (-fexcess-precision=): New option.
1557         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1558         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1559         For standard excess precision, output explicit conversion to and
1560         truncation from XFmode.
1561         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1562         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1563         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1564         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1565         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1566         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1567         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1568         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1569         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1570         define_splits, sqrt<mode>2): Disable where appropriate for
1571         standard excess precision.
1572         * convert.c (convert_to_real): Do not shorten arithmetic to type
1573         for which excess precision would be used.
1574         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1575         * doc/invoke.texi (-fexcess-precision=): Document option.
1576         (-mfpmath=): Correct index entry.
1577         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1578         flag_excess_precision): New.
1579         * langhooks.c (lhd_post_options): Set
1580         flag_excess_precision_cmdline.
1581         * opts.c (common_handle_option): Handle -fexcess-precision=.
1582         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1583         init_excess_precision): New.
1584         (lang_dependent_init_target): Call init_excess_precision.
1585         * tree.c (excess_precision_type): New.
1586         * tree.h (excess_precision_type): Declare.
1587
1588 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1589
1590         PR c/35235
1591         * c-typeck.c (build_component_ref): Do not copy qualifiers from
1592         non-lvalue to component.
1593
1594 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1595
1596         PR preprocessor/34695
1597         * Makefile.in (c-opts.o): Depend on c-tree.h.
1598         * c-common.c: Move down include of diagnostic.h.
1599         (done_lexing, c_cpp_error): New.
1600         * c-common.h (done_lexing): Declare.
1601         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1602         (parse_in).
1603         * c-opts.c: Include c-tree.h.
1604         (c_common_init_options): Set preprocessor error callback.
1605         (c_common_handle_option): Do not set preprocessor
1606         inhibit_warnings, warnings_are_errors, warn_system_headers,
1607         pedantic_errors or inhibit_warnings flags.
1608         (c_common_post_options): Do not check cpp_errors (parse_in).
1609         (c_common_finish): Do not output dependencies if there were
1610         errors.  Do not check return value of cpp_finish.
1611         * c-ppoutput.c (pp_file_change): Set input_location.
1612         * c-tree.h (c_cpp_error): Declare.
1613         * diagnostic.c (diagnostic_set_info_translated): Also initialize
1614         override_column.
1615         (diagnostic_build_prefix): Check override_column.
1616         * diagnostic.h (diagnostic_info): Add override_column field.
1617         (diagnostic_override_column): Define.
1618
1619 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
1620
1621         * c-common.c (c_expand_expr, c_staticp): Remove.
1622         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1623         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1624         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1625         * c-gimplify.c (gimplify_compound_literal_expr,
1626         optimize_compound_literals_in_ctor): Remove.
1627         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1628         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1629         * c-semantics.c (emit_local_var): Remove.
1630
1631         * langhooks-def.h (lhd_expand_expr): Remove.
1632         * langhooks.c (lhd_expand_expr): Remove.
1633         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1634
1635         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1636         handling from c-semantics.c; don't call into langhook.
1637         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1638         * gimplify.c (gimplify_compound_literal_expr,
1639         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1640         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1641         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1642         as was done in c-gimplify.c.
1643         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1644         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1645         Move from c-common.h.
1646         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1647
1648         * tree.c (staticp): Do not call langhook.
1649         * langhooks.c (lhd_staticp): Delete.
1650         * langhooks-def.h (lhd_staticp): Delete prototype.
1651         (LANG_HOOKS_STATICP): Delete.
1652         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1653
1654         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1655         instead of DECL_STMTs.
1656
1657 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1658
1659         PR c/456
1660         PR c/5675
1661         PR c/19976
1662         PR c/29116
1663         PR c/31871
1664         PR c/35198
1665         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1666         void_type_node.
1667         (fold_call_expr): Return a NOP_EXPR from folding rather than the
1668         contained expression.
1669         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1670         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
1671         conditional expressions for C.
1672         (decl_constant_value_for_optimization): Move from
1673         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
1674         whether optimizing and that the expression is a VAR_DECL not of
1675         array type instead of doing such checks in the caller.  Do not
1676         check pedantic.  Call gcc_unreachable for C++.
1677         * c-common.def (C_MAYBE_CONST_EXPR): New.
1678         * c-common.h (c_fully_fold, c_save_expr,
1679         decl_constant_value_for_optimization): New prototypes.
1680         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1681         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1682         EXPR_INT_CONST_OPERANDS): Define.
1683         * c-convert.c (convert): Strip nops from expression.
1684         * c-decl.c (groktypename): Take extra parameters expr and
1685         expr_const_operands.  Update call to grokdeclarator.
1686         (start_decl): Update call to grokdeclarator.  Add statement for
1687         expressions used in type of decl.
1688         (grokparm): Update call to grokdeclarator.
1689         (push_parm_decl): Update call to grokdeclarator.
1690         (build_compound_literal): Add parameter non_const and build a
1691         C_MAYBE_COSNT_EXPR if applicable.
1692         (grokdeclarator): Take extra parameters expr and
1693         expr_const_operands.  Track expressions used in declaration
1694         specifiers and declarators.  Fold array sizes and track whether
1695         they are constant expressions and whether they are integer
1696         constant expressions.
1697         (parser_xref_tag): Set expr and expr_const_operands fields in
1698         return value.
1699         (grokfield): Update call to grokdeclarator.
1700         (start_function): Update call to grokdeclarator.
1701         (build_null_declspecs): Set expr and expr_const_operands fields in
1702         return value.
1703         (declspecs_add_type): Handle expressions in typeof specifiers.
1704         * c-parser.c (c_parser_declspecs): Set expr and
1705         expr_const_operands fields for declaration specifiers.
1706         (c_parser_enum_specifier): Likewise.
1707         (c_parser_struct_or_union_specifier): Likewise.
1708         (c_parser_typeof_specifier): Likewise.  Update call to
1709         groktypename.  Fold expression as needed.  Return expressions with
1710         type instead of adding statements.
1711         (c_parser_attributes): Update calls to c_parser_expr_list.
1712         (c_parser_statement_after_labels): Fold expression before passing
1713         to objc_build_throw_stmt.
1714         (c_parser_condition): Fold expression.
1715         (c_parser_asm_operands): Fold expression.
1716         (c_parser_conditional_expression): Use c_save_expr.  Update call
1717         to build_conditional_expr.
1718         (c_parser_alignof_expression): Update call to groktypename.
1719         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1720         original_code.  Fold expression argument of va_arg.  Create
1721         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1722         argument to va_arg.  Update calls to groktypename.  Fold array
1723         index for offsetof.  Verify that first argument to
1724         __builtin_choose_expr has integer type.
1725         (c_parser_postfix_expression_after_paren_type): Update calls to
1726         groktypename and build_compound_literal.  Handle expressions with
1727         side effects in type name.
1728         (c_parser_postfix_expression_after_primary): Update call to
1729         c_parser_expr_list.  Set original_code for calls to
1730         __builtin_constant_p.
1731         (c_parser_expr_list): Take extra parameter fold_p.  Fold
1732         expressions if requested.
1733         (c_parser_objc_type_name): Update call to groktypename.
1734         (c_parser_objc_synchronized_statement): Fold expression.
1735         (c_parser_objc_receiver): Fold expression.
1736         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1737         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1738         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1739         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1740         (struct c_typespec): Add elements expr and expr_const_operands.
1741         (struct c_declspecs): Add elements expr and expr_const_operands.
1742         (groktypename, build_conditional_expr, build_compound_literal):
1743         Update prototypes.
1744         (in_late_binary_op): Declare.
1745         * c-typeck.c (note_integer_operands): New function.
1746         (in_late_binary_op): New variable.
1747         (decl_constant_value_for_broken_optimization): Move to c-common.c
1748         and rename to decl_constant_value_for_optimization.
1749         (default_function_array_conversion): Do not strip nops.
1750         (default_conversion): Do not call
1751         decl_constant_value_for_broken_optimization.
1752         (build_array_ref): Do not fold result.
1753         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
1754         result when operand is a VLA.
1755         (c_expr_sizeof_type): Update call to groktypename.  Handle
1756         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
1757         result when operand names a VLA type.
1758         (build_function_call): Update call to build_compound_literal.
1759         Only fold result for calls to __builtin_* functions.  Strip
1760         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
1761         the function designator.
1762         (convert_arguments): Fold arguments.  Update call to
1763         convert_for_assignment.
1764         (build_unary_op): Handle increment and decrement of
1765         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
1766         decrement earlier.  Fold operand of increment and decrement.
1767         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
1768         built for integer operand.  Wrap returns that are INTEGER_CSTs
1769         without being integer constant expressions or that have integer
1770         constant operands without being INTEGER_CSTs.
1771         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1772         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
1773         result is an integer constant expression or can be used in
1774         unevaluated parts of one and avoid folding and wrap as
1775         appropriate.  Fold operands before possibly doing -Wsign-compare
1776         warnings.
1777         (build_compound_expr): Wrap result for C99 if operands can be used
1778         in integer constant expressions.
1779         (build_c_cast): Update call to digest_init.  Do not ignore
1780         overflow from casting floating-point constants to integers.  Wrap
1781         results that could be confused with integer constant expressions,
1782         null pointer constants or floating-point constants.
1783         (c_cast_expr): Update call to groktypename.  Handle expressions
1784         included in type name.
1785         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
1786         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
1787         Update calls to convert_for_assignment.
1788         (convert_for_assignment): Take new parameter
1789         null_pointer_constant.  Do not strip nops or call
1790         decl_constant_value_for_broken_optimization.  Set
1791         in_late_binary_op for conversions to boolean.
1792         (store_init_value): Update call to digest_init.
1793         (digest_init): Take new parameter null_pointer_constant.  Do not
1794         call decl_constant_value_for_broken_optimization.  pedwarn for
1795         initializers not constant expressions.  Update calls to
1796         convert_for_assignment.
1797         (constructor_nonconst): New.
1798         (struct constructor_stack): Add nonconst element.
1799         (really_start_incremental_init, push_init_level, pop_init_level):
1800         Handle constructor_nonconst and nonconst element.
1801         (set_init_index): Call constant_expression_warning for array
1802         designators.
1803         (output_init_element): Fold value.  Set constructor_nonconst as
1804         applicable.  pedwarn for initializers not constant expressions.
1805         Update call to digest_init.  Call constant_expression_warning
1806         where constant initializers are required.
1807         (process_init_element): Use c_save_expr.
1808         (c_finish_goto_ptr): Fold expression.
1809         (c_finish_return): Fold return value.  Update call to
1810         convert_for_assignment.
1811         (c_start_case): Fold switch expression.
1812         (c_process_expr_stmt): Fold expression.
1813         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1814         ensure statement expression is not evaluated in constant expression.
1815         (build_binary_op): Track whether results are integer constant
1816         expressions or may occur in such, disable folding and wrap results
1817         as applicable.  Fold operands for -Wsign-compare warnings unless
1818         in_late_binary_op.
1819         (c_objc_common_truthvalue_conversion): Handle results folded to
1820         integer constants that are not integer constant expressions.
1821         * doc/extend.texi: Document when typeof operands are evaluated,
1822         that condition of __builtin_choose_expr is an integer constant
1823         expression, and more about use of __builtin_constant_p in
1824         initializers.
1825
1826 2009-03-29  Richard Guenther  <rguenther@suse.de>
1827
1828         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1829         propagate addresses of array references.
1830
1831 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1832
1833         * regmove.c (perhaps_ends_bb_p): Remove.
1834         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
1835         from INSN and check that the main loop stays within that basic block.
1836         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1837         (regmove_forward_pass): Split out from regmove_optimize.  Use
1838         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1839         (regmove_backward_pass): Split out from regmove_optimize.  Use
1840         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1841         (regmove_optimize): Simplify.
1842
1843 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1844
1845         PR target/39545
1846         * config/i386/i386.c (classify_argument): Ignore flexible array
1847         member in struct and warn ABI change.
1848
1849 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1850
1851         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1852
1853         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1854         (ix86_adjust_cost): Updated.
1855
1856 2009-03-29  Jan Hubicka  <jh@suse.cz>
1857
1858         PR middle-end/28850
1859         * tree-pass.h (pass_cleanup_eh): New function.
1860         (remove_unreachable_regions): Break code handling RTL
1861         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1862         that can not be reached by runtime.
1863         (can_be_reached_by_runtime): New function.
1864         (label_to_region_map): New function.
1865         (num_eh_regions): New function.
1866         (rtl_remove_unreachable_regions): New function.
1867         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1868         (remove_eh_region): New function.
1869         * except.h: Include sbitmap and vecprim.
1870         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1871         num_eh_regions): Declare.
1872         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1873         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1874         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1875         (tree_empty_eh_handler_p): New function.
1876         (cleanup_empty_eh): New function.
1877         (cleanup_eh): New function.
1878         (pass_cleanup_eh): New function.
1879
1880 2009-03-29  Jan Hubicka  <jh@suse.cz>
1881
1882         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1883         for removed regions.
1884
1885 2009-03-29  Jan Hubicka  <jh@suse.cz>
1886
1887         * except.c (dump_eh_tree): Dump all datastructures.
1888
1889 2009-03-29  Jan Hubicka  <jh@suse.cz>
1890
1891         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1892         (duplicate_eh_regions_1): Likewise.
1893         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1894         vector; call EH verification.
1895         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1896         Be ready for region being removed.
1897
1898 2009-03-29  Jan Hubicka  <jh@suse.cz>
1899
1900         * bitmap.c (bitmap_last_set_bit): New function.
1901         * bitmap.h (bitmap_last_set_bit): Declare.
1902
1903 2009-03-29  David Ayers  <ayers@fsfe.org>
1904
1905         PR objc/27377
1906         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1907         by calling objc_compare_types and surpress warnings about
1908         incompatible C pointers that are compatible ObjC pointers.
1909         
1910 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1911
1912         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1913         call initialize_inline_failed.
1914         (initialize_inline_failed): Move it from here ...
1915         * cgraph.c (initialize_inline_failed): ... to here.
1916         (cgraph_create_edge): Call initialize_inline_failed rather than
1917         setting inline_failed directly.
1918
1919 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1920
1921         PR target/32542
1922         * sysv4.opt (msdata): Improve comment.
1923         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1924         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1925
1926 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1927
1928         PR target/30451
1929         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1930         load and store attributes.
1931
1932 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1933
1934         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1935         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1936         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1937         * doc/extend.texi (X86 Built-in Functions): Add index entries for
1938         __builtin_infq and __builtin_huge_valq.
1939
1940 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
1941
1942         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
1943         atmega8m1 devices.
1944         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1945         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
1946
1947 2009-03-28  Xinliang David Li  <davidxl@google.com>
1948
1949         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
1950         (do_dbg_cnt): New function.
1951
1952 2009-03-28  Jan Hubicka  <jh@suse.cz>
1953
1954         Merge from pretty-ipa:
1955
1956         2009-03-27  Jan Hubicka  <jh@suse.cz>
1957
1958         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
1959         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
1960         * passes.c (function_called_by_processed_nodes_p): New.
1961         * ipa-pure-const.c (check_call): Fix handling of operands.
1962         (analyze_function): Dump debug output for skipped bodies.
1963         (local_pure_const): Use function_called_by_processed_nodes_p.
1964         * dwarf2out.c (reference_to_unused): Use output.
1965         * passes.c (do_per_function_toporder): Likewise.
1966
1967         2008-11-12  Jan Hubicka  <jh@suse.cz>
1968
1969         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
1970         * ipa-pure-const.c (funct_state_d): Add can throw field; make
1971         state_set_in_source enum
1972         (check_decl): Ignore memory tags; do not set fake looping flags;
1973         dump diagnostics.
1974         (check_operand, check_tree, check_rhs_var, check_lhs_var,
1975         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
1976         (check_call, analyze_function): Rewrite.
1977         (check_stmt): New.
1978         (add_new_function): Update call of analyze_function.
1979         (generate_summary): Add call of analyze_function.
1980         (propagate): Propagate can_throw; handle state_set_in_source correctly.
1981         (local_pure_const): New function.
1982         (pass_local_pure_const): New pass.
1983         * ipa-inline.c (inline_transform): Set after_inlining.
1984         * tree-eh.c (stmt_can_throw_external): New.
1985         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
1986         work with aliasing built.
1987         * tree-flow.h (stmt_can_throw_external): New.
1988         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
1989         and local pure/const pass in early and late optimization queue.
1990
1991 2009-03-28  Martin Jambor  <mjambor@suse.cz>
1992
1993         * fold-const.c (get_pointer_modulus_and_residue): New parameter
1994         allow_func_align.
1995         (fold_binary): Allow function decl aligment consideration is the
1996         second argument is integer constant one.
1997         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
1998         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
1999         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2000
2001 2009-03-28  Jan Hubicka  <jh@suse.cz>
2002
2003         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2004         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2005         * function.h (rtl_data): Add nothrow flag.
2006         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2007         set DECL_NOTHROW for AVAILABLE functions.
2008
2009 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
2010
2011         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2012         following vector keyword has expansion starting with pixel or bool
2013         keyword, expand vector to __vector and pixel or bool to __pixel or
2014         __bool.
2015
2016         PR c++/39554
2017         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2018         warn_if_disallowed_function_p): Removed.
2019         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2020         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2021         warning_if_disallowed_function_p.
2022         * flags.h (warn_if_disallowed_function_p,
2023         warn_disallowed_functions): Removed.
2024         * common.opt (Wdisallowed-function-list=): Removed.
2025         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2026
2027 2009-03-28  Richard Guenther  <rguenther@suse.de>
2028
2029         PR tree-optimization/38723
2030         * tree-ssa-pre.c (compute_avail): Add all default definitions to
2031         the entry block.
2032
2033 2009-03-28  Jan Hubicka  <jh@suse.cz>
2034
2035         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2036         test introduced by my previous patch.
2037
2038 2009-03-28  Richard Guenther  <rguenther@suse.de>
2039
2040         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2041         the PHIs value undefined.
2042
2043 2009-03-28  Jan Hubicka  <jh@suse.cz>
2044
2045         * tree-pass.h (pass_fixup_cfg): New pass.
2046         * ipa-inline.c (inline_transform): Set
2047         always_inline_functions_inlined/after_inlining.
2048         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2049         (pass_fixup_cfg): New pass.
2050         * passes.c (init_optimization_passes): Add fixup_cfg.
2051
2052 2009-03-28  Richard Guenther  <rguenther@suse.de>
2053
2054         PR tree-optimization/38458
2055         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2056         argument use the arguments copy-of value.
2057
2058 2009-03-28  Richard Guenther  <rguenther@suse.de>
2059
2060         PR tree-optimization/38180
2061         * tree-ssa-ccp.c (get_default_value): Simplify.
2062         (likely_value): Likewise.
2063         (surely_varying_stmt_p): Properly handle VOP case.
2064         (ccp_initialize): Likewise.
2065         (ccp_fold): Handle propagating through *&.
2066         (fold_const_aggregate_ref): Also handle decls.
2067
2068 2009-03-28  Jan Hubicka  <jh@suse.cz>
2069
2070         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2071         * cgraph.h (cgraph_node): Likewise.
2072         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2073         (cgraph_reset_node): Use process flag.
2074         (cgraph_mark_functions_to_output): Likewise.
2075         (cgraph_expand_function): Likewise.
2076         (cgraph_expand_all_functions): Likewise.
2077         (cgraph_output_in_order): Likewise.
2078         * dwarf2out.c (reference_to_unused): Likewise.
2079         * passes.c do_per_function_toporder): Likewise.
2080
2081 2009-03-28  Jan Hubicka  <jh@suse.cz>
2082
2083         Bring from lto-branch:
2084
2085         2008-09-03  Doug Kwan  <dougkwan@google.com>
2086
2087         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2088         enums instead of reason strings.
2089         * cgraph.c (cgraph_create_edge): Same.
2090         (cgraph_inline_failed_string): New function.
2091         * cgraph.h (cgraph_inline_failed_t): New enum type.
2092         (cgraph_inline_failed_string): New prototype.
2093         (struct cgraph_edge): Change type of INLINED_FAILED from constant
2094         char pointer to cgraph_inline_failed_t.
2095         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2096         (cgraph_default_inline_p): Ditto.
2097         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2098         to cgraph_inline_failed_t pointer.
2099         * cif-code.def: New file.
2100         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2101         reason string.
2102         (cgraph_check_inline_limits): Change type of REASON to pointer to
2103         cgraph_inline_failed_t.  Replace reason strings with enums.
2104         (cgraph_default_inline_p): Ditto.
2105         (cgraph_recursive_inlining_p): Ditto.
2106         (update_caller_keys): Change type of FAILED_REASON to
2107         cgraph_inline_failed_t.
2108         (cgraph_set_inline_failed): Change type of REASON to pointer to
2109         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
2110         convert enums to strings for text output.
2111         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2112         to be of type cgraph_inline_failed_t.  Replace reason strings with
2113         enums.  Call cgraph_inline_failed_string to covert enums
2114         to strings for text output.
2115         (cgraph_decide_inlining): Replace reason strings with enums.
2116         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2117         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
2118         for text output.
2119         * tree-inline.c (expand_call_inline): Change type of REASON
2120         to cgraph_inline_failed_t.  Replace reason strings with enums.
2121         Call cgraph_inline_failed_string for text output.
2122         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2123         (cgraph.o): Ditto.
2124
2125 2009-03-28  Jan Hubicka  <jh@suse.cz>
2126
2127         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2128         cgraph_clone_node): Remove master clone handling.
2129         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2130         * cgraph.h (master_clone): Remove.
2131         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2132         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2133         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2134
2135 2009-03-28  Jan Hubicka  <jh@suse.cz>
2136
2137         * cgraph.c (cgraph_function_body_availability): Functions declared
2138         inline are always safe to assume that it is not going to be replaced.
2139
2140 2009-03-28  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/38513
2143         * tree-ssa-pre.c (eliminate): Remove redundant stores.
2144         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2145         EXC_PTR_EXPR and FILTER_EXPR.
2146         (get_ref_from_reference_ops): Likewise.
2147
2148 2009-03-28  Richard Guenther  <rguenther@suse.de>
2149
2150         PR tree-optimization/38968
2151         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2152         Use FLOOR_MOD_EXPR to compute misalignment.
2153
2154 2009-03-28  Richard Guenther  <rguenther@suse.de>
2155
2156         PR tree-optimization/37795
2157         * tree.h (combine_comparisons): Declare.
2158         * fold-const.c (combine_comparisons): Export.
2159         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2160         comparisons.
2161         (ifcombine_iforif): Use combine_comparisons.
2162
2163 2009-03-28  Jan Hubicka  <jh@suse.cz>
2164
2165         * tree-eh.c (inlinable_call_p): New function.
2166         (make_eh_edges): Use it.
2167         (verify_eh_edges): Use it.
2168         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2169         * except.c (reachable_next_level): Add inlinable_function argument
2170         (sjlj_find_directly_reachable_regions): Update.
2171         (add_reachable_handler): Do not set saw_any_handlers.
2172         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2173         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2174         Add new inlinable call parameter.
2175         (can_throw_internal, can_throw_external): Update.
2176         * except.h (can_throw_internal_1, can_throw_external_1,
2177         foreach_reachable_handler): Update declaration.
2178
2179 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
2180
2181         * config/arm/t-arm-coff, config/h8300/coff.h,
2182         config/i386/i386-aout.h, config/i386/i386-coff.h,
2183         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2184         config/pdp11/2bsd.h, config/rs6000/aix41.h,
2185         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2186         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2187         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2188         sys-types.h: Remove.
2189         * Makefile.in: Remove protoize and fixproto support and references
2190         in comments.
2191         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2192         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2193         Remove.
2194         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2195         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2196         unprotoize$(exeext).
2197         (rest.encap): Don't depend on $(STMP_FIXPROTO)
2198         (.PHONY): Don't depend on proto.
2199         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2200         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2201         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2202         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2203         build/gen-protos.o, build/scan.o, xsys-protos.h,
2204         build/fix-header$(build_exeext), build/fix-header.o,
2205         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2206         stmp-install-fixproto): Remove.
2207         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2208         SYSCALLS.c or fixproto files.
2209         (install-common): Don't install protoize.
2210         (install-headers-tar, install-headers-cpio, install-headers-cp):
2211         Don't depend on $(STMP_FIXPROTO).
2212         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
2213         install fixproto files or write out fixproto settings.
2214         (uninstall): Don't uninstall protoize.
2215         * config.gcc (use_fixproto): Remove.
2216         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2217         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2218         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2219         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2220         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2221         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2222         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2223         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2224         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2225         * config/t-vxworks (STMP_FIXPROTO): Remove.
2226         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2227         STMP_FIXPROTO): Remove.
2228         * config.in, configure: Regenerate.
2229         * crtstuff.c (gid_t, uid_t): Don't undefine.
2230         * doc/install.texi: Change m68k-coff to m68k-elf in example.
2231         (arm-*-coff, arm-*-aout: Remove target entries.
2232         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2233         Remove mention of AIX 4.1.
2234         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2235         * doc/invoke.texi (Running Protoize): Remove.
2236         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2237         (Protoize Caveats): Remove.
2238         * tsystem.h: Update comments on headers assumed to exist.
2239
2240 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
2241
2242         * genautomata.c: Add a new year to the copyright.  Add a new
2243         reference.
2244         (struct insn_reserv_decl): Add comments for member bypass_list.
2245         (find_bypass): Remove.
2246         (insert_bypass): New.
2247         (process_decls): Use insert_bypass.
2248         (output_internal_insn_latency_func): Output all bypasses with the
2249         same input insn in one switch case.
2250
2251         * rtl.def (define_bypass): Describe bypass choice.
2252         * doc/md.texi (define_bypass): Ditto.
2253
2254 2009-03-27  Richard Guenther  <rguenther@suse.de>
2255
2256         * gimplify.c (mark_addressable): Export.
2257         * tree-flow.h (mark_addressable): Declare.
2258         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2259         * tree-ssa.c (verify_phi_args): Verify that address taken
2260         variables have TREE_ADDRESSABLE set.
2261
2262 2009-03-27  Richard Guenther  <rguenther@suse.de>
2263
2264         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2265         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
2266         Do not mark decls TREE_ADDRESSABLE.
2267         (build_fold_addr_expr): Adjust.
2268         (fold_addr_expr): Remove.
2269         (fold_unary): Use build_fold_addr_expr.
2270         (fold_comparison): Likewise.
2271         (split_address_to_core_and_offset): Likewise.
2272         * coverage.c (tree_coverage_counter_addr): Mark the array decl
2273         TREE_ADDRESSABLE.
2274         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2275         (gimplify_modify_expr_to_memcpy): Mark source and destination
2276         addressable.
2277         * omp-low.c (create_omp_child_function): Mark the object decl
2278         TREE_ADDRESSABLE.
2279         (lower_rec_input_clauses): Mark the var we take the address of
2280         TREE_ADDRESSABLE.
2281         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2282
2283 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2284
2285         PR middle-end/39315
2286         * cfgexpand.c (expand_one_stack_var_at): Change alignment
2287         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2288
2289 2009-03-27  Richard Guenther  <rguenther@suse.de>
2290
2291         PR tree-optimization/39120
2292         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2293         constraints.
2294         (handle_lhs_call): Process return constraints.  Add escape
2295         constraints if necessary.
2296         (handle_const_call): Fill out return constraints.  Make nested
2297         case more precise.  Avoid consttmp if possible.
2298         (handle_pure_call): Fill out return constraints.  Avoid
2299         callused if possible.
2300         (find_func_aliases): Simplify call handling.
2301
2302 2009-03-27  Richard Guenther  <rguenther@suse.de>
2303
2304         PR tree-optimization/39120
2305         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2306         as a representative.
2307         (solve_graph): Do propagate CALLUSED.
2308         (handle_pure_call): Use a scalar constraint from CALLUSED for
2309         the return value.
2310         (find_what_p_points_to): CALLUSED shall not appear in poins-to
2311         solutions.
2312
2313 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2314
2315         PR c/39323
2316         * c-common.c (handle_aligned_attribute): Properly check alignment
2317         overflow.  Use (1U << i) instead of (1 << i).
2318
2319         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2320
2321         * expr.h (get_mem_align_offset): Updated.
2322
2323         * tree.h (tree_decl_common): Change align to "unsigned int" and
2324         move it before pointer_alias_set.
2325
2326 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2327             Jakub Jelinek  <jakub@redhat.com>
2328
2329         PR target/38034
2330         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2331         gr_register_operand with gr_reg_or_0_operand.
2332         (cmpxchg_rel_di): Likewise.
2333         (sync_lock_test_and_set<mode>): Likewise.
2334
2335 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2336
2337         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2338         (true_regnum): Likewise.
2339
2340         * rtlanal.c (subreg_info): Moved to ...
2341         * rtl.h (subreg_info): Here.  New.
2342         (subreg_get_info): New.
2343
2344         * rtlanal.c (subreg_get_info): Make it extern.
2345
2346 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2347
2348         PR target/39472
2349         * config/i386/i386.c (ix86_abi): New.
2350         (override_options): Handle -mabi=.
2351         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2352         (ix86_call_abi_override): Likewise.
2353         (init_cumulative_args): Likewise.
2354         (function_arg_advance): Likewise.
2355         (function_arg_64): Likewise.
2356         (function_arg): Likewise.
2357         (ix86_pass_by_reference): Likewise.
2358         (ix86_function_value_regno_p): Likewise.
2359         (ix86_build_builtin_va_list_abi): Likewise.
2360         (setup_incoming_varargs_64): Likewise.
2361         (is_va_list_char_pointer): Likewise.
2362         (ix86_init_machine_status): Likewise.
2363         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2364         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
2365         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
2366         (ix86_function_abi): Make it static and return enum calling_abi.
2367         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
2368         with ix86_abi.
2369         (ix86_fn_abi_va_list): Updated.
2370
2371         * config/i386/i386.h (ix86_abi): New.
2372         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2373         (CONDITIONAL_REGISTER_USAGE): Likewise.
2374         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2375         (machine_function): Likewise.
2376
2377         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2378         with ix86_abi.
2379         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2380         (STACK_BOUNDARY): Likewise.
2381         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2382
2383         * config/i386/i386.opt (mabi=): New.
2384
2385         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2386         return enum calling_abi.
2387         (ix86_function_type_abi): Likewise.
2388         (ix86_function_abi): Removed.
2389
2390         * doc/invoke.texi: Document -mabi= option for x86.
2391
2392 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2393
2394         * builtins.c (real_dconstp): Delete.
2395         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2396
2397 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
2398             Jakub Jelinek  <jakub@redhat.com>
2399
2400         PR debug/37959
2401         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2402         (gen_subprogram_die): When a function is explicit, generate the
2403         DW_AT_explicit attribute.
2404         * langhooks.h (struct lang_hooks_for_decls): Add
2405         function_decl_explicit_p langhook.
2406         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2407         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2408
2409 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
2410
2411         * builtins.c (fold_builtin_memory_op): Optimize memmove
2412         into memcpy if we can prove source and destination don't overlap.
2413
2414         * tree-inline.c: Include gt-tree-inline.h.
2415         (clone_fn_id_num): New variable.
2416         (clone_function_name): New function.
2417         (tree_function_versioning): Use it.
2418         * Makefile.in (GTFILES): Add tree-inline.c.
2419
2420 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
2421
2422         * BASE-VER: Change to 4.5.0.
2423
2424 2009-03-27  Xinliang David Li  <davidxl@google.com>
2425
2426         PR tree-optimization/39557
2427         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2428
2429 2009-03-27  Xinliang David Li  <davidxl@google.com>
2430
2431         PR tree-optimization/39548
2432         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
2433         candidate check.
2434
2435 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2436
2437         * c-common.c (pointer_int_sum): Use %wd on return from
2438         tree_low_cst.
2439
2440 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2441
2442         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2443         on return from tree_low_cst.
2444
2445 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2446
2447         PR c++/36799
2448         * ginclude/stdarg.h (va_copy): Define also for
2449         __GXX_EXPERIMENTAL_CXX0X__.
2450
2451 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2452
2453         PR c++/35652
2454         * builtins.h (c_strlen): Do not warn here.
2455         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2456         * c-common.c (pointer_int_sum): Take an explicit location.
2457         Warn about offsets out of bounds.
2458         * c-common.h (pointer_int_sum): Adjust declaration.
2459
2460 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2461
2462         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2463         markup glitch.
2464
2465 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
2466
2467         PR c++/39554
2468         * opts.c (warn_if_disallowed_function_p): Don't assume
2469         get_callee_fndecl must return non-NULL.
2470
2471 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
2472
2473         PR rtl-optimization/39522
2474         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2475         when reg_reloaded_valid is set.
2476
2477 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2478
2479         * config/spu/divv2df3.c: New file.
2480         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2481         (DPBIT_FUNCS): Filter out _div_df.
2482
2483 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2484
2485         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2486         a jump insn, count that jump in the distance to the loop start.
2487
2488 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2489
2490         PR target/39523
2491         * config/sh/sh.c (calc_live_regs): Fix condition for global
2492         registers except PIC_OFFSET_TABLE_REGNUM.
2493
2494 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
2495
2496         PR/39518
2497         * doc/invoke.texi (-mconsole): New.
2498         (-mcygwin): New.
2499         (-mno-cygwin): New.
2500         (-mdll): New.
2501         (-mnop-fun-dllimport): New.
2502         (-mthread): New.
2503         (-mwin32): New.
2504         (-mwindows): New.
2505         (sub section "i386 and x86-64 Windows Options"): New.
2506
2507 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2508
2509         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2510         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2511
2512 2009-03-25  Richard Guenther  <rguenther@suse.de>
2513
2514         PR middle-end/39497
2515         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2516         of -Wno-error.
2517
2518 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
2519
2520         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2521         neither of haifa/selective schedulers are working.
2522
2523 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2524
2525         * doc/invoke.texi (Debugging Options): Fix description of
2526         -fno-merge-debug-strings.
2527
2528 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
2529
2530         * config/cris/libgcc.ver: New version-script.
2531         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2532
2533         * configure.ac <GAS features, nop mnemonic>: Add pattern
2534         crisv32-*-* for "nop".
2535         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2536         * configure: Regenerate.
2537
2538 2009-03-24  Ira Rosen  <irar@il.ibm.com>
2539
2540         PR tree-optimization/39529
2541         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2542         mark_sym_for_renaming for the tag copied to the new vector
2543         pointer.
2544
2545 2009-03-24  Arthur Loiret  <aloiret@debian.org>
2546
2547         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2548         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2549         EXTRA_SPEC_FUNCTIONS.
2550         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2551         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2552         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2553         -march and -mtune options.
2554
2555 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2556
2557         * config/m68k/t-rtems: Add m5329 multilib.
2558
2559 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
2560             Jakub Jelinek  <jakub@redhat.com>
2561
2562         PR debug/39524
2563         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2564         nodes.
2565
2566 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2567
2568         PR c/39495
2569         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2570         instead of c_parser_expression_conv, if original_code isn't one of the
2571         4 allowed comparison codes, fail.
2572
2573 2009-03-23  Richard Guenther  <rguenther@suse.de>
2574
2575         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2576         * tree.h (struct tree_type): Likewise.
2577         * reload.h (struct insn_chain): Likewise.
2578         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2579         * function.h (struct function): Likewise.
2580         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2581
2582 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR tree-optimization/39516
2585         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2586
2587 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
2588
2589         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
2590         should be set true if BITS_PER_WORD of target is bigger than 32
2591
2592 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
2593
2594         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2595         Translate -B-options to -rpath-link.  Correct existing
2596         rpath-link and conditionalize on !nostdlib.
2597
2598 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2599
2600         * doc/extend.texi (Function Attributes, Variable Attributes):
2601         Fix typos.
2602         * doc/invoke.texi (Debugging Options, Optimize Options)
2603         (i386 and x86-64 Options, MCore Options): Likewise.
2604
2605 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR debug/37890
2608         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2609         it for block local namespace aliases.
2610         (gen_decl_die): Pass context_die to gen_namespace_die.
2611
2612 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2613
2614         PR c/39495
2615         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2616         minimum or maximum value.
2617
2618 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
2619
2620         * reginfo.c (globalize_reg): Recompute derived reg sets.
2621
2622 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
2623
2624         PR target/39063
2625         * libgcc2.c (mprotect): Do not use signed arguments for
2626         VirtualProtect, use DWORD arguments.  Also fix the 'may
2627         be used uninitialized' warning for the np variable.
2628
2629 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR target/39496
2632         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2633         functions using regparm calling conventions when not optimizing.
2634         (ix86_function_sseregparm): Similarly for sseregparm calling
2635         conventions.
2636
2637 2009-03-19  Li Feng  <nemokingdom@gmail.com>
2638
2639         PR middle-end/39500
2640         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2641         dependence if the first conflict is after niter iterations.
2642
2643 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
2644
2645         PR middle-end/38609
2646         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2647         functions with dynamic stack-pointer adjustments.
2648
2649 2009-03-19  Ben Elliston  <bje@au.ibm.com>
2650
2651         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2652         option; change to -msdata=data.
2653
2654 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2655
2656         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2657         and -fopenmp.
2658
2659 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
2660
2661         PR target/35180
2662         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2663
2664 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
2665
2666         * doc/invoke.texi (Code Gen Options): Expand discussion of
2667         -fno-common.
2668
2669 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
2670
2671         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2672         * matrix-reorg.c (struct matrix_info): Likewise.
2673         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2674         * rtl.h (struct mem_attrs): Likewise.
2675         * df.h (struct df): Likewise.
2676         * tree-data-ref.h (struct data_dependence_relation): Likewise.
2677         * ira-int.h (struct ira_allocno): Likewise.
2678         * df-scan.c (struct df_collection_rec): Likewise.
2679         * ira.c (struct equivalence): Likewise.
2680         * function.c (struct temp_slot): Likewise.
2681         * cfgloop.h (struct loop): Likewise.
2682
2683         PR debug/39485
2684         * function.c (use_register_for_decl): When not optimizing, disregard
2685         register keyword for variables with types containing methods.
2686
2687 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
2688
2689         PR middle-end/39447
2690         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2691         (is_simple_operand): Call contains_component_ref_p before calling data
2692         reference analysis that would fail on COMPONENT_REFs.
2693
2694         * tree-vrp.c (search_for_addr_array): Fix formatting.
2695
2696 2009-03-18  Richard Guenther  <rguenther@suse.de>
2697
2698         * tree-vect-transform.c (vect_loop_versioning): Fold the
2699         generated comparisons.
2700         * tree-vectorizer.c (set_prologue_iterations): Likewise.
2701         (slpeel_tree_peel_loop_to_edge): Likewise.
2702
2703 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2704
2705         PR middle-end/37805
2706         * opts.c (print_specific_help): In addition to `undocumented',
2707         accept `separate' and `joined' flags if passed alone.  Describe
2708         output by the first matched one of those.
2709         (common_handle_option): Skip over empty strings.
2710         * gcc.c (display_help): Fix help string for `--help='.
2711         * doc/invoke.texi (Option Summary, Overall Options): With
2712         `--help=', classes and qualifiers can both be repeated, but
2713         only the latter can be negated.  One should not pass only
2714         negated qualifiers.  Fix markup and examples.
2715
2716         Revert
2717         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
2718         PR middle-end/37805
2719         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2720         and -fhelp=separate.
2721
2722 2009-03-17  Jing Yu  <jingyu@google.com>
2723
2724         PR middle-end/39378
2725         * function.h (struct rtl_data): Move is_thunk from here...
2726         (struct function): ...to here.
2727         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2728         * varasm.c (assemble_start_function): Change is_thunk from crtl to
2729         cfun.
2730         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2731         cfun.
2732         (alpha_does_function_need_gp, alpha_start_function): Likewise.
2733         (alpha_output_function_end_prologue): Likewise.
2734         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2735         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2736         (rs6000_output_function_epilogue): Likewise.
2737         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2738
2739 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
2740
2741         PR target/39482
2742         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2743         from different units in a single alternative.
2744         (*truncdfsf_i387): Ditto.
2745         (*truncxfsf2_mixed): Ditto.
2746         (*truncxfdf2_mixed): Ditto.
2747
2748 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
2749
2750         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2751         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2752
2753         PR debug/39474
2754         * tree-ssa-live.c (remove_unused_locals): Don't remove local
2755         unused non-artificial variables when not optimizing.
2756
2757         PR debug/39471
2758         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2759         DW_TAG_imported_module even if decl is IMPORTED_DECL with
2760         NAMESPACE_DECL in its DECL_INITIAL.
2761
2762         PR middle-end/39443
2763         * optabs.c (set_user_assembler_libfunc): New function.
2764         * expr.h (set_user_assembler_libfunc): New prototype.
2765         * c-common.c: Include libfuncs.h.
2766         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2767         for memcmp, memset, memcpy, memmove and abort.
2768         * Makefile.in (c-common.o): Depend on libfuncs.h.
2769
2770         PR debug/39412
2771         * dwarf2out.c (gen_inlined_enumeration_type_die,
2772         gen_inlined_structure_type_die, gen_inlined_union_type_die,
2773         gen_tagged_type_instantiation_die): Removed.
2774         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2775         do nothing.
2776
2777 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
2778
2779         PR testsuite/38526
2780         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2781         its use.
2782         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2783         (check-parallel-%): Ditto.
2784         (check-consistency): Ditto.
2785
2786 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
2787
2788         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2789         local variable rhs by NULL_TREE.
2790
2791 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2792
2793         PR target/39477
2794         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2795
2796 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2797
2798         PR target/39476
2799         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2800
2801 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2802
2803         PR target/39473
2804         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2805         for ms->sysv ABI calls only in 64bit mode.
2806
2807         * config/i386/i386.md (untyped_call): Support 32bit.
2808
2809 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
2810
2811         * doc/extend.texi: Replace x86_65 with x86_64.
2812
2813 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR tree-optimization/39455
2816         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2817         mismatches for POINTER_TYPE_P (type).
2818         (number_of_iterations_le): Likewise.
2819
2820 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
2821
2822         * config/picochip/picochip.c: Removed profiling support.
2823         * config/picochip/picochip.md: Removed profiling instruction.
2824         * config/picochip/picochip.h: Removed profiling builtin.
2825
2826 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
2827
2828         * doc/install.texi (--with-host-libstdcxx): Document.
2829
2830 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
2831
2832         PR target/34299
2833         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2834         generate a warning if the function name does not begin with
2835         "__vector" and the function has either the 'signal' or 'interrupt'
2836         attribute, from here to ...
2837         (avr_declare_function_name): ...here. New function.
2838         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2839         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2840
2841 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2842
2843         PR bootstrap/39454
2844         * cse.c (fold_rtx): Don't modify original const_arg1 when
2845         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2846         separate variable instead.
2847         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2848         from out of range shift counts.
2849         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2850
2851 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2852
2853         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2854         diagnostic.h with $(DIAGNOSTIC_H).
2855
2856 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR target/39431
2859         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2860         predicate.
2861         * config/i386/sync.md (sync_compare_and_swap<mode>,
2862         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2863         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2864         into a register.
2865         (sync_double_compare_and_swapdi_pic,
2866         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2867         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2868
2869 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2870
2871         PR target/39445
2872         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2873
2874 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2875
2876         PR target/39327
2877         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2878         (avx_addsubv4df3): Likewise.
2879         (*avx_addsubv4sf3): Likewise.
2880         (sse3_addsubv4sf3): Likewise.
2881
2882 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2883
2884         PR target/38824
2885         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2886
2887 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2888
2889         PR debug/39432
2890         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2891         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2892         registers for allocnos created from user-defined variables.
2893
2894 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2895
2896         PR target/39181
2897         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2898         of non-integer mode as well.
2899
2900 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2901
2902         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2903         for functions for which the parameter types are unknown.
2904
2905 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2906
2907         PR target/39137
2908         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2909         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2910         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2911         * config/i386/i386.c (ix86_local_alignment): For
2912         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2913         long long variables on the stack to avoid dynamic realignment.
2914         Allow the first argument to be a decl rather than type.
2915         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2916
2917 2009-03-11  Nick Clifton  <nickc@redhat.com>
2918
2919         PR target/5362
2920         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2921         options.
2922         Add description to mno-lsim option.
2923         * config/mcore/mcore.h: Remove comment about deprecated m4align
2924         option.
2925         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2926         * doc/invoke.texi: Add description of mno-lsim and
2927         mstack-increment options.
2928
2929         * config/fr30/fr30.opt: Document the -mno-lsim option.
2930         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2931         and -mno-lsim options.
2932
2933 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2934
2935         * fold-const.c (fold_comparison): Only call fold_inf_compare
2936         if the mode supports infinities.
2937
2938 2009-03-11  Jason Merrill  <jason@redhat.com>
2939
2940         PR debug/39086
2941         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
2942         end already did.  Notice GIMPLE_CALL modifications of the result.
2943         Don't copy debug information from an ignored decl or a decl from
2944         another function.
2945
2946 2009-03-10  Richard Guenther  <rguenther@suse.de>
2947             Nathan Froyd  <froydnj@codesourcery.com>
2948
2949         PR middle-end/37850
2950         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
2951         (__divMODE3): Likewise.
2952
2953 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
2954
2955         PR tree-optimization/39394
2956         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
2957         DECL_SIZE_UNIT of variable length FIELD_DECLs.
2958
2959 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2960
2961         * recog.c (verfiy_changes): Disallow renaming of hard regs in
2962         inline asms for register asm ("") declarations.
2963
2964 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
2965
2966         * fold-const.c (fold_unary): Fix comment.
2967
2968 2009-03-07  Jan Hubicka  <jh@suse.cz>
2969
2970         PR target/39361
2971         * tree-inline.c (setup_one_parameter): Do replacement of const
2972         argument by constant in SSA form.
2973
2974 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2975
2976         PR middle-end/38028
2977         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
2978         determine alignment passed to assign_stack_local.
2979         (assign_parms_unsplit_complex): Likewise.
2980         * except.c (sjlj_build_landing_pads): Likewise.
2981
2982 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR middle-end/39360
2985         * tree-flow.h (add_referenced_var): Return bool instead of void.
2986         * tree-dfa.c (add_referenced_var): Return result of
2987         referenced_var_check_and_insert call.
2988         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
2989         of referenced_var_check_and_insert.
2990
2991         PR debug/39372
2992         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
2993         (gen_variable_die): Emit DW_AT_location on abstract static variable's
2994         DIE, don't emit it if abstract origin already has it.
2995         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
2996         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2997
2998 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2999
3000         * genpreds.c (needs_variable): Fix parentheses at variable name
3001         detection.
3002         (write_tm_constrs_h): Indent generated code.
3003
3004 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3005
3006         * doc/extend.texi (Function Attributes): Add documentation
3007         for isr attributes.
3008
3009 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3010
3011         PR debug/39387
3012         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3013         take locus from its DECL_SOURCE_LOCATION instead of input_location.
3014
3015 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3016
3017         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3018         the loop as bad.
3019
3020 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
3021
3022         PR debug/39379
3023         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3024         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3025
3026 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
3027
3028         * config/i386/i386.md (R8_REG, R9_REG): New constants.
3029         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3030         constants instead of magic numbers.
3031         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3032         (QI_REG_P): Ditto.
3033         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3034         (x86_64_ms_abi_int_parameter_registers): Ditto.
3035         (x86_64_int_return_registers): Ditto.
3036         (ix86_maybe_switch_abi): Ditto.
3037         (ix86_expand_call): Ditto for clobbered_registers array.
3038         (ix86_hard_regno_mode_ok): Ditto.
3039         (x86_extended_QIreg_mentioned_p): Ditto.
3040
3041 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
3042
3043         PR tree-optimization/39349
3044         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3045
3046         * combine.c (gen_lowpart_for_combine): Use omode when generating
3047         clobber.
3048
3049 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
3050
3051         PR rtl-optimization/39235
3052         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3053
3054 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3055
3056         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3057
3058 2009-03-04  Richard Guenther  <rguenther@suse.de>
3059
3060         PR tree-optimization/39362
3061         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3062         that occur in abnormal PHIs should be varying.
3063
3064 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3065
3066         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3067         Extend comments.
3068         (simple_iv):  Take loop as an argument instead of statement.
3069         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3070         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3071         to simple_iv.
3072         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3073         Ditto.
3074         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3075         * matrix-reorg.c (analyze_transpose): Ditto.
3076         * tree-data-ref.c (dr_analyze_innermost): Ditto.
3077         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3078         * tree-predcom.c (ref_at_iteration): Ditto.
3079         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3080
3081 2009-03-04  Richard Guenther  <rguenther@suse.de>
3082
3083         PR tree-optimization/39358
3084         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3085         escaped_id and callused_id.
3086         (solve_graph): Likewise.
3087
3088 2009-03-04  Richard Guenther  <rguenther@suse.de>
3089
3090         PR tree-optimization/39339
3091         * tree-sra.c (try_instantiate_multiple_fields): Make it
3092         no longer ICE on the above.
3093
3094 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
3095
3096         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3097         that fits within Pmode.
3098
3099 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3100
3101         PR middle-end/10109
3102         * tm.texi (LIBCALL_VALUE): Update description.
3103
3104 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3105
3106         PR middle-end/34443
3107         * doc/extend.texi (section): Update description.
3108
3109 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
3110
3111         PR middle-end/39345
3112         * tree-inline.c (remapped_type): New.
3113         (can_be_nonlocal): Call remapped_type instead of remap_type.
3114
3115 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR fortran/39354
3118         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3119         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3120
3121 2009-03-03  Richard Guenther  <rguenther@suse.de>
3122
3123         PR middle-end/39272
3124         * tree.c (tree_nonartificial_location): New function.
3125         * tree.h (tree_nonartificial_location): Declare.
3126         * builtins.c (expand_builtin_memory_chk): Provide location
3127         of the call location for artificial function pieces.
3128         (maybe_emit_chk_warning): Likewise.
3129         (maybe_emit_sprintf_chk_warning): Likewise.
3130         (maybe_emit_free_warning): Likewise.
3131         * expr.c (expand_expr_real_1): Likewise.
3132
3133 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3134
3135         PR tree-optimization/39343
3136         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3137         COMPONENT_REF t has ARRAY_TYPE.
3138
3139 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3140
3141         PR middle-end/39335
3142         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3143         when the type precision of the induction variable should be
3144         larger than the type precision of nit.
3145         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3146         * graphite.c (graphite_loop_normal_form): Same.
3147         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3148
3149 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3150
3151         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3152         (*call_1_rex64_ms_sysv): Use named constants instead of magic
3153         numbers to describe clobbered registers.
3154         (*call_value_0_rex64_ms_sysv): Ditto.
3155         * config/i386/mmx.md (mmx_emms): Ditto.
3156         (mmx_femms): Ditto.
3157
3158 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
3159
3160         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3161         of ABI_64.
3162
3163 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3164
3165         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3166         (spu_section_type_flags): New function.
3167
3168 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3169
3170         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3171         reg_class_contents of FLOAT_REGS into a temporary.
3172
3173 2009-03-02  Richard Guenther  <rguenther@suse.de>
3174             Ira Rosen  <irar@il.ibm.com>
3175
3176         PR tree-optimization/39318
3177         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3178         information to the vectorized statement.
3179
3180 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
3181
3182         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3183         variable.  Use defined names instead of magic constants for REX SSE
3184         registers.
3185
3186 2009-03-01  Richard Guenther  <rguenther@suse.de>
3187
3188         PR tree-optimization/39331
3189         * omp-low.c (lower_send_shared_vars): Do not receive new
3190         values for the reference of DECL_BY_REFERENCE parms or results.
3191
3192 2009-03-01  Jan Hubicka  <jh@suse.cz>
3193
3194         PR debug/39267
3195         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3196         BLOCK_NONLOCALIZED_VAR): New macros.
3197         (tree_block): Add nonlocalized_vars.
3198         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3199         gen_decl_die): Add origin argument.  Allow generation of die with
3200         origin at hand only.
3201         (gen_member_die, gen_type_die_with_usage, force_decl_die,
3202         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3203         of gen_*.
3204         (gen_block_die): Fix checking for unused blocks.
3205         (process_scope_var): Break out from .... ; work with origins only.
3206         (decls_for_scope) ... here; process nonlocalized list.
3207         (dwarf2out_ignore_block): Look for nonlocalized vars.
3208         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3209         vars.
3210         (dump_scope_block): Dump them.
3211         * tree-inline.c (remap_decls): Handle nonlocalized vars.
3212         (remap_block): Likewise.
3213         (can_be_nonlocal): New predicate.
3214         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3215
3216 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3217
3218         * configure: Regenerate.
3219
3220 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3221
3222         * optc-gen.awk: No need to duplicate option flags twice.
3223         Reuse help texts for duplicate options which do not have any.
3224
3225         * gcc.c (display_help): Document --version.
3226
3227         * gcc.c (main): If print_help_list and verbose_flag, ensure
3228         driver output comes before subprocess output.
3229
3230         * optc-gen.awk: Assign all remaining fields to help string,
3231         space-separated, for multi-line help in *.opt.
3232
3233         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3234         -Wno-pedantic-ms-format is for MinGW targets only.
3235
3236         * doc/options.texi (Option file format): Fix bad indentation,
3237         restoring dropped sentence.
3238
3239 2009-02-28  Jan Hubicka  <jh@suse.cz>
3240
3241         * tree-inline.c (tree_function_versioning): Output debug info.
3242
3243 2009-02-28  Jan Hubicka  <jh@suse.cz>
3244
3245         PR debug/39267
3246         * tree-inline.c (setup_one_parameter): Do not copy propagate
3247         arguments when not optimizing.
3248
3249 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
3250
3251         PR target/39327
3252         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3253         (avx_addsubv4df3): Likewise.
3254         (*avx_addsubv4sf3): Likewise.
3255         (sse3_addsubv4sf3): Likewise.
3256         (*avx_addsubv2df3): Likewise.
3257         (sse3_addsubv2df3): Likewise.
3258         (avx_unpckhps256): Correct item selectors.
3259         (avx_unpcklps256): Likewise.
3260         (avx_unpckhpd256): Likewise.
3261         (avx_unpcklpd256): Likewise.
3262
3263 2009-02-28  Jan Hubicka  <jh@suse.cz>
3264
3265         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3266         static vars.
3267         (copy_arguments_for_versioning): If var is declared don't declare it.
3268         (tree_function_versioning): First setup substitutions and then copy
3269         args.
3270
3271 2009-02-27  Jan Hubicka  <jh@suse.cz>
3272
3273         PR debug/39267
3274         * cgraph.h (varpool_output_debug_info): Remove.
3275         * cgraphunit.c (varpool_output_debug_info): Remove.
3276         * dwarf2out.c (deferred_locations_struct): New struct
3277         (deferred_locations): New type.
3278         (deferred_locations_list): New static var.
3279         (deffer_location): New function.
3280         (gen_variable_die): Use it.
3281         (decls_for_scope): Output info on local static vars.
3282         (dwarf2out_finish): Process deferred locations.
3283         * varpool.c (varpool_output_debug_info): Remove.
3284
3285 2009-02-27  Jan Hubicka  <jh@suse.cz>
3286
3287         PR debug/39267
3288         * tree.h (TREE_PROTECTED): Fix comment.
3289         (BLOCK_HANDLER_BLOCK): Remove.
3290         (struct tree_block): Remove handler_block add body_block.
3291         (inlined_function_outer_scope_p): New.
3292         (is_body_block): Remove.
3293         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3294         * dwarf2out.c (is_inlined_entry_point): Remove.
3295         (add_high_low_attributes): Use inlined_function_outer_scope_p.
3296         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
3297         code.
3298         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3299         * gimplify.c (gimplify_expr): Gimplify body blocks.
3300         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3301         block with multiple subblocks.
3302         (dump_scope_block): Prettier output; dump more flags and info.
3303         (dump_scope_blocks): New.
3304         (remove_unused_locals): Use dump_scope_blocks.
3305         * tree-flow.h (dump_scope_blocks): Declare.
3306         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3307         * stmt.c (is_body_block): Remove.
3308         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3309         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3310
3311 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         PR middle-end/39308
3314         * graphite.c (graphite_loop_normal_form): Do not call 
3315         number_of_iterations_exit from a gcc_assert.
3316
3317 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3318
3319         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3320         jumps if COND is NULL.
3321         (find_cond_jump): New function.
3322         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3323         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3324
3325 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         * config/alpha/alpha.h (alpha_expand_mov): Return false if
3328         force_const_mem returns NULL_RTX.
3329
3330 2009-02-26  Jan Hubicka  <jh@suse.cz>
3331
3332         PR debug/39267
3333         * cgraph.h (varpool_output_debug_info): Remove.
3334         * cgraphunit.c (varpool_output_debug_info): Remove.
3335         * dwarf2out.c (deferred_locations_struct): New struct
3336         (deferred_locations): New type.
3337         (deferred_locations_list): New static var.
3338         (deffer_location): New function.
3339         (gen_variable_die): Use it.
3340         (decls_for_scope): Output info on local static vars.
3341         (dwarf2out_finish): Process deferred locations.
3342         * varpool.c (varpool_output_debug_info): Remove.
3343
3344 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
3345
3346         PR rtl-optimization/39241
3347         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
3348         to subreg_offset_representable_p.
3349
3350 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
3351
3352         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
3353         execute function prototype.  Get f and nregs from max_reg_num
3354         and get_insns.  Remove the first backward pass as it's dead,
3355         guard the forward pass by flag_expensive_optimizations.
3356         (rest_of_handle_regmove): Delete.
3357         (pass_regmove): Replace it with regmove_optimize.
3358
3359 2009-02-25  Martin Jambor  <mjambor@suse.cz>
3360
3361         PR tree-optimization/39259
3362         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
3363         calls_alloca function flags.
3364         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
3365         calls are detected.
3366
3367 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
3368
3369         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
3370         flags_set_1_rtx, flags_set_1_set): Delete.
3371         (regmove_optimize): Do not call mark_flags_life_zones.
3372
3373 2009-02-24  Julian Brown  <julian@codesourcery.com>
3374
3375         PR target/35965
3376         * config/arm/arm.c (require_pic_register): Only set
3377         cfun->machine->pic_reg once per function.
3378
3379 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
3380
3381         * doc/invoke.texi (Link Options): Document an easier way to pass
3382         options that take arguments to the GNU linker using -Xlinker and -Wl.
3383
3384 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
3385
3386         PR target/33785
3387         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
3388
3389 2009-02-24  Richard Guenther  <rguenther@suse.de>
3390
3391         PR debug/39285
3392         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
3393
3394 2009-02-24  Richard Guenther  <rguenther@suse.de>
3395             Zdenek Dvorak  <ook@ucw.cz>
3396
3397         PR tree-optimization/39233
3398         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
3399         from converting them to a generic type.
3400
3401 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
3402
3403         PR tree-optimization/39260
3404         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
3405         contains a condition with a real type.
3406         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
3407
3408 2009-02-23  Jason Merrill  <jason@redhat.com>
3409
3410         PR c++/38880
3411         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
3412         narrowing_initializer_constant_valid_p.
3413         (narrowing_initializer_constant_valid_p): Don't return 
3414         null_pointer_node for adding a pointer to itself.
3415
3416 2009-02-23  Jan Hubicka  <jh@suse.cz>
3417
3418         PR c/12245
3419         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
3420         resizing.
3421
3422 2009-02-23  Jan Hubicka  <jh@suse.cz>
3423
3424         PR tree-optimization/37709
3425         * tree.c (block_ultimate_origin): Move here from dwarf2out.
3426         * tree.h (block_ultimate_origin): Declare.
3427         * dwarf2out.c (block_ultimate_origin): Move to tree.c
3428         * tree-ssa-live.c (remove_unused_scope_block_p):
3429         Eliminate blocks containig no instructions nor live variables nor
3430         nested blocks.
3431         (dump_scope_block): New function.
3432         (remove_unused_locals): Enable removal of dead blocks by default;
3433         enable dumping at TDF_DETAILS.
3434
3435 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3436
3437         * config/i386/i386.c (classify_argument): Don't allow COImode
3438         and OImode.
3439         (function_arg_advance_32): Don't allow OImode.
3440         (function_arg_32): Likewise.
3441         (function_value_32): Likewise.
3442         (return_in_memory_32): Likewise.
3443         (function_arg_64): Remove OImode comment.
3444
3445 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3446
3447         PR target/39261
3448         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
3449         ix86_expand_vector_set for V4DImode in 64bit mode only.
3450         (ix86_expand_vector_init_one_var): Likewise.
3451
3452 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
3453
3454         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
3455
3456 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
3457
3458         PR bootstrap/39257
3459         * loop-iv.c: Revert last change.
3460         * emit-rtl.c: Likewise.
3461
3462 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
3463
3464         PR target/39256
3465         * config/i386/i386.c (type_natural_mode): Remove an extra
3466         space in the warning message.
3467         (function_value_32): Handle 32-byte vector modes.
3468         (return_in_memory_32): Likewise.
3469
3470 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
3471
3472         * loop-iv.c (truncate_value): New function.
3473         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
3474         of lowpart_subreg.
3475         (lowpart_subreg): Move to...
3476         * emit-rtl.c: ...here.
3477
3478 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
3479
3480         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
3481         accidental and undocumented change at revision 140860.
3482
3483 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
3484
3485         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
3486         take gimple_seq * arguments.
3487         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
3488         types_compatible_p langhook.
3489
3490 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
3491             Joseph Myers  <joseph@codesourcery.com>
3492
3493         * config/arm/arm.c (arm_builtin_va_list): New function.
3494         (arm_expand_builtin_va_start): Likewise.
3495         (arm_gimplify_va_arg_expr): Likewise.
3496         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
3497         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
3498         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
3499         (va_list_type): New variable.
3500         (arm_mangle_type): Mangle va_list_type appropriately.
3501
3502 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
3503
3504         PR middle-end/39157
3505         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
3506         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
3507         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
3508         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
3509         parameter to 1000 for -O1 by default.
3510         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
3511         parameter.
3512         * loop-invariant.c: Include params.h.
3513         (move_loop_invariants): Don't call move_single_loop_invariants on
3514         very large loops.
3515
3516 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
3517
3518         * calls.c (emit_library_call_value_1): Use slot_offset instead of
3519         offset when calculating bounds for indexing stack_usage_map.  Fixes
3520         a buffer overflow with certain target setups.
3521
3522 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
3523
3524         PR target/39240
3525         * calls.c (expand_call): Clear try_tail_call if caller and callee
3526         disagree in promotion of function return value.
3527
3528 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
3529
3530         PR target/39175
3531         * c-common.c (c_determine_visibility): If visibility changed and
3532         DECL_RTL has been already set, call make_decl_rtl to update symbol
3533         flags.
3534
3535 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3536
3537         PR c++/39188
3538         * varasm.c (assemble_variable): Don't check DECL_NAME when
3539         globalizing a variable.
3540
3541 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
3542
3543         PR c/38483
3544         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
3545         expression before any __builtin_trap call.
3546         * c-typeck.c (build_function_call): Convert and check function
3547         arguments before generating a call to a trap.  Evaluate the
3548         function arguments before the trap.
3549
3550 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
3551
3552         PR target/39228
3553         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
3554         (UNSPEC_FXAM_MEM): New unspec.
3555         (fxam<mode>2_i387_with_temp): New insn and split pattern.
3556         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
3557         memory using fxam<mode>2_i387_with_temp to remove excess precision.
3558
3559 2009-02-19  Richard Guenther  <rguenther@suse.de>
3560
3561         PR tree-optimization/39207
3562         PR tree-optimization/39074
3563         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
3564         storedanything_tree): New.
3565         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
3566         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
3567         (build_succ_graph): Add edges from STOREDANYTHING to all
3568         non-direct nodes.
3569         (init_base_vars): Initialize STOREDANYTHING.
3570         (compute_points_to_sets): Free substitution info after
3571         building the succ graph.
3572         (ipa_pta_execute): Likewise.
3573
3574         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
3575         field.
3576         (do_ds_constraint): Do not add to special var or non-pointer
3577         field solutions.
3578         (type_could_have_pointers): Split out from ...
3579         (could_have_pointers): ... here.  For arrays use the element type.
3580         (create_variable_info_for): Initialize may_have_pointers.
3581         (new_var_info): Likewise.
3582         (handle_lhs_call): Make the HEAP variable unknown-sized.
3583         (intra_create_variable_infos): Use a type with pointers for
3584         PARM_NOALIAS, make it unknown-sized.
3585
3586 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3587
3588         PR target/39224
3589         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
3590
3591 2009-02-18  Jason Merrill  <jason@redhat.com>
3592
3593         PR target/39179
3594         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
3595         value if DECL_EXTERNAL.
3596         * tree-sra.c (sra_walk_gimple_assign): Likewise.
3597         * target.h (gcc_target::binds_local_p): Clarify "module".
3598         * tree.h (TREE_PUBLIC): Clarify "module".
3599
3600 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
3601
3602         PR target/38891
3603         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
3604         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
3605
3606 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
3607
3608         PR target/39082
3609         * c.opt (Wabi): Support C and ObjC.
3610         (Wpsabi): New.
3611
3612         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
3613
3614         * config/i386/i386.c (classify_argument): Warn once about the ABI
3615         change when passing union with long double.
3616
3617         * doc/invoke.texi: Update -Wabi for warning psABI changes.
3618
3619 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
3620
3621         PR c/35447
3622         * c-parser.c (c_parser_compound_statement): Always enter and leave
3623         a scope.
3624
3625 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3626
3627         PR target/34587
3628         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
3629
3630 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
3631
3632         PR tree-optimization/36922
3633         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
3634         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
3635         Likewise.
3636
3637 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3638
3639         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
3640         to 0 for EABI64.
3641
3642 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3643
3644         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
3645
3646 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
3647
3648         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
3649         tree sharing.
3650
3651 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
3652             Richard Sandiford  <rdsandiford@googlemail.com>
3653
3654         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
3655         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
3656         (loongson_biadd): ...this.
3657
3658 2009-02-17  Richard Guenther  <rguenther@suse.de>
3659
3660         PR tree-optimization/39202
3661         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
3662         a var make sure to follow existing collapses.
3663
3664 2009-02-17  Richard Guenther  <rguenther@suse.de>
3665
3666         PR middle-end/39214
3667         * langhooks.c (lhd_print_error_function): Check for NULL block.
3668
3669 2009-02-17  Richard Guenther  <rguenther@suse.de>
3670
3671         PR tree-optimization/39204
3672         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
3673         of the PHI arg.
3674
3675 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
3676
3677         * config/soft-fp/double.h: Update from glibc CVS.
3678
3679 2009-02-17  Richard Guenther  <rguenther@suse.de>
3680
3681         PR tree-optimization/39207
3682         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
3683         strict-aliasing warnings for pointers pointing to NULL.
3684
3685 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
3686
3687         PR c/35446
3688         * c-parser.c (c_parser_braced_init): Call pop_init_level when
3689         skipping until next close brace.
3690
3691 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
3692
3693         PR target/37049
3694         * config/i386/i386.c (ix86_expand_push): Set memory alignment
3695         to function argument boundary.
3696
3697 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
3698
3699         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
3700         in the lea_add. Reload eventually constraints it properly.
3701         * config/picochip/constraints.md : Remove the target constraint
3702         "b", since it is not needed anymore.
3703
3704 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
3705
3706         * gthr-dce.h: Uglify function parameter and local variable names.
3707         * gthr-gnat.h: Likewise.
3708         * gthr-mipssde.h: Likewise.
3709         * gthr-nks.h: Likewise.
3710         * gthr-posix95.h: Likewise.
3711         * gthr-posix.h: Likewise.
3712         * gthr-rtems.h: Likewise.
3713         * gthr-single.h: Likewise.
3714         * gthr-solaris.h: Likewise.
3715         * gthr-tpf.h: Likewise.
3716         * gthr-vxworks.h: Likewise.
3717         * gthr-win32.h: Likewise.
3718
3719 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
3720
3721         PR target/39196
3722         * config/i386/i386.md: Restrict the new peephole2 to move
3723         between MMX/SSE registers.
3724
3725 2009-02-15  Richard Guenther  <rguenther@suse.de>
3726
3727         Revert
3728         2009-02-13  Richard Guenther  <rguenther@suse.de>
3729
3730         * configure.ac: Enable LFS.
3731         * configure: Re-generate.
3732         * config.in: Likewise.
3733
3734 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3735
3736         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
3737         spu_srqwbyte, spu_srqwbytebc): Define.
3738         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
3739         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
3740         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
3741         "shrqby_<mode>"): New insn-and-split patterns.
3742         * config/spu/spu.c (expand_builtin_args): Determine and return
3743         number of operands using spu_builtin_description data.
3744         (spu_expand_builtin_1): Use it.
3745
3746 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
3747
3748         PR target/38056
3749         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
3750         TARGET_CONST_GP.
3751
3752 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3753
3754         PR target/39149
3755         * config/i386/i386.c (override_options): Correct warning
3756         messages for -malign-loops, -malign-jumps and -malign-functions.
3757
3758 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3759
3760         PR target/39152
3761         * config/i386/i386.md: Restrict the new peephole2 to move
3762         between the general purpose registers.
3763
3764 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
3765
3766         PR target/39162
3767         * config/i386/i386.c (type_natural_mode): Add a new argument.
3768         Return the original mode and warn ABI change if vector size is 32byte.
3769         (function_arg_advance): Updated.
3770         (function_arg): Likewise.
3771         (ix86_function_value): Likewise.
3772         (ix86_return_in_memory): Likewise.
3773         (ix86_sol10_return_in_memory): Likewise.
3774         (ix86_gimplify_va_arg): Likewise.
3775         (function_arg_32): Don't warn ABX ABI change here.
3776         (function_arg_64): Likewise.
3777
3778 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3779
3780         * loop-iv.c (implies_p): In the final case, test that operands 0
3781         of the two comparisons match.
3782
3783         * config/bfin/bfin.c (find_prev_insn_start): New function.
3784         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
3785         (find_next_insn_start): Move.
3786
3787 2009-02-13  Richard Guenther  <rguenther@suse.de>
3788
3789         * configure.ac: Enable LFS.
3790         * configure: Re-generate.
3791         * config.in: Likewise.
3792
3793 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
3794
3795         PR c/35444
3796         * c-parser.c (c_parser_parms_list_declarator): Discard pending
3797         sizes on syntax error after some arguments have been parsed.
3798
3799 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3800
3801         * doc/invoke.texi (-fira): Remove.
3802
3803 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3804
3805         * caller-save.c: Replace regclass.c with reginfo.c in comments.
3806         * recog.c: Likewise.
3807         * rtl.h: Likewise.
3808
3809 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
3810
3811         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
3812         (umul_ppmm): Likewise.
3813         (count_leading_zeros): Likewise.
3814         (count_trailing_zeros): Likewise.
3815         (UMUL_TIME): Likewise.
3816
3817 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3818
3819         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
3820         soft-fp/t-softfp to tmake_file.
3821
3822         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
3823         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
3824         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
3825         IA64_BUILTIN_INFQ]: New.
3826         (ia64_init_builtins): Initialize __builtin_infq,
3827         __builtin_fabsq and __builtin_copysignq if not HPUX.
3828         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
3829         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
3830
3831         * config/ia64/lib1funcs.asm (__divtf3): Define only if
3832         SHARED is defined.
3833         (__fixtfti): Likewise.
3834         (__fixunstfti): Likewise.
3835         (__floattitf): Likewise.
3836
3837         * config/ia64/libgcc-glibc.ver: New.
3838         * config/ia64/t-fprules-softfp: Likewise.
3839         * config/ia64/sfp-machine.h: Likewise.
3840
3841         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
3842         (LIBGCC2_TF_CEXT): Likewise.
3843         (TF_SIZE): Likewise.
3844         (TARGET_INIT_LIBFUNCS): Likewise.
3845
3846         * config/ia64/t-glibc (SHLINB_MAPFILES):
3847         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
3848
3849 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
3850
3851         * config/i386/i386.c (construct_container): Rewrite processing
3852         BLKmode with X86_64_SSE_CLASS.
3853
3854 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
3855
3856         PR target/39152
3857         * config/i386/i386.md: Replace simplify_replace_rtx with
3858         replace_rtx in the new peephole2.
3859
3860 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
3861
3862         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
3863         loop unrolling do not happen at -O2.
3864
3865 2009-02-12  Michael Matz  <matz@suse.de>
3866
3867         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
3868
3869 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
3870
3871         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
3872         for -g3.
3873
3874 2009-02-12  Ben Elliston  <bje@au.ibm.com>
3875
3876         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
3877         patterns when updating the back chain.  Missed in the 2009-02-10
3878         change.
3879
3880 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
3881
3882         * doc/extend.texi (Decimal Floating Types): Update identifier of
3883         draft TR and list of missing support.
3884
3885 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR middle-end/39154
3888         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
3889         bit to variable length decl's flags, add it also to its
3890         pointer replacement variable.
3891
3892 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
3893             Jakub Jelinek  <jakub@redhat.com>
3894
3895         PR target/39118
3896         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
3897         (memory_blockage): New expander.
3898         (*memory_blockage): New insn pattern.
3899         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
3900         instead of general blockage at the end of function prologue when
3901         frame pointer is used to access red zone area.  Do not emit blockage
3902         when profiling, it is emitted in generic code.
3903         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
3904         function epilogue when frame pointer is used to access red zone area.
3905
3906 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
3907
3908         PR target/38824
3909         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
3910         by arithmetic with memory operands.
3911         * config/i386/predicates.md (commutative_operator): New.
3912
3913 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
3914
3915         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
3916         bulleted lists.
3917
3918 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3919
3920         * alias.h (record_alias_subset): Declare.
3921         * alias.c (record_alias_subset): Make global.
3922
3923 2009-02-10  Nick Clifton  <nickc@redhat.com>
3924
3925         * tree-parloops.c: Change license to GPLv3.
3926         * ipa-struct-reorg.c: Change license to GPLv3.
3927         * ipa-struct-reorg.h: Change license to GPLv3.
3928
3929 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
3930
3931         PR c/39084
3932         * c-decl.c (start_struct): Return NULL on error.
3933
3934 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
3935
3936         PR middle-end/39124
3937         * cfgloopmanip.c (remove_path): Call remove_bbs after
3938         cancel_loop_tree, not before it.
3939
3940         PR target/39139
3941         * function.h (struct function): Add has_local_explicit_reg_vars bit.
3942         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
3943         VAR_DECLs were seen.
3944         * tree-ssa-live.c (remove_unused_locals): Recompute
3945         cfun->has_local_explicit_reg_vars.
3946         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
3947         copies or clearings if cfun->has_local_explicit_reg_vars.
3948
3949 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
3950
3951         PR target/39118
3952         * config/i386/i386.c (expand_prologue): Emit blockage at the end
3953         of function prologue when frame pointer is used to access
3954         red zone area.
3955
3956 2009-02-10  Richard Guenther  <rguenther@suse.de>
3957
3958         PR middle-end/39127
3959         * gimplify.c (gimple_regimplify_operands): Always look if
3960         we need to create a temporary.
3961
3962 2009-02-10  Richard Guenther  <rguenther@suse.de>
3963
3964         PR tree-optimization/39132
3965         * tree-loop-distribution.c (todo): New global var.
3966         (generate_memset_zero): Trigger TODO_rebuild_alias.
3967         (tree_loop_distribution): Return todo.
3968
3969 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
3970
3971         PR target/39119
3972         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
3973         (x86_64_reg_class_name): Removed.
3974         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
3975         first one isn't X86_64_SSE_CLASS or any other ones aren't
3976         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
3977         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
3978         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
3979         and 3 X86_64_SSEUP_CLASS.
3980         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
3981         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
3982
3983 2009-02-10  Ben Elliston  <bje@au.ibm.com>
3984
3985         * config/rs6000/rs6000.md (allocate_stack): Always use an update
3986         form instruction to update the stack back chain word, even if the
3987         user has disabled the generation of update instructions.
3988         (movdi_<mode>_update_stack): New.
3989         (movsi_update_stack): Likewise.
3990         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
3991         always use an update form instruction to update the stack back
3992         chain word.
3993