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* doc/install.texi (Specific): Fix two cross-references to MinGW.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
2
3         * doc/install.texi (Specific): Fix two cross-references to MinGW.
4
5 2009-04-06  Richard Guenther  <rguenther@suse.de>
6
7         PR tree-optimization/28868
8         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
9         of which PHI results we inserted.
10         (insert_into_preds_of_block): Record inserted PHIs.
11         (eliminate): Eliminate redundant PHI nodes.
12         (init_pre): Init inserted_phi_names.
13
14 2009-04-06  Richard Guenther  <rguenther@suse.de>
15
16         PR tree-optimization/39643
17         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
18         IMAGPART_EXPRs of complex constants.
19         (execute_fold_all_builtins): If we folded a call queue
20         TODO_update_address_taken.
21
22 2009-04-06  Jan Hubicka  <jh@suse.cz>
23
24         PR middle-end/39659
25         * except.c (remove_unreachable_regions): Propagate may_contain_throw
26         flag.
27
28 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
29
30         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
31         delay slot.
32         (ic_invalidate_array): Likewise.
33
34 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
35
36         * calls.c (emit_library_call_value_1): Fix a problem with parameter
37         alignment for library calls.
38
39 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
40
41         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
42         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
43         * config/i386/mingw-stdint.h:  New file.
44
45 2009-04-05  Richard Guenther  <rguenther@suse.de>
46
47         PR tree-optimization/39648
48         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
49         our &A vs. &A[0] IL deficiencies.
50
51 2009-04-04  Jan Hubicka  <jh@suse.cz>
52
53         * except.c (sjlj_find_directly_reachable_regions): Be ready for
54         removed toplevel regions.
55         (sjlj_mark_call_sites): Likewise.
56
57 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
58
59         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
60         (cygwin tm clause use_gcc_stdint):  Set to wrap.
61         * config/i386/cygwin-stdint.h:  New file.
62
63 2009-04-04  Richard Guenther  <rguenther@suse.de>
64
65         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
66         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
67         single-argument PHIs if we are in loop-closed SSA form.
68         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
69         for the pre-condition.
70         (slpeel_tree_peel_loop_to_edge): Likewise.
71         (vect_build_loop_niters): Take an optional sequence to append stmts.
72         (vect_generate_tmps_on_preheader): Likewise.
73         (vect_do_peeling_for_loop_bound): Take extra guards for the
74         pre-condition.
75         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
76         the cost model check.
77         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
78         guards if we are going to peel.  Do not apply versioning in that
79         case.
80         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
81         (vect_do_peeling_for_loop_bound): Likewise.
82         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
83         loop bound only record extra pre-conditions, do not apply loop
84         versioning.
85
86 2009-04-04  Richard Guenther  <rguenther@suse.de>
87
88         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
89         renaming code.
90
91 2009-04-04  Jan Hubicka  <jh@suse.cz>
92
93         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
94         last_basic_block for size of bb->index indexed array.
95         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
96         compute_out, link_btr_uses, build_btr_def_use_webs,
97         build_btr_def_use_webs, migrate_btr_defs): Likewise.
98
99 2009-04-04  Jan Hubicka  <jh@suse.cz>
100
101         * except.c (remove_eh_handler_and_replace): Break out from ...
102         (remove_eh_handler): ... here.
103         (bring_to_root): New function.
104         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
105         handled ones, bring others to root of tree.
106
107 2009-04-04  Jan Hubicka  <jh@suse.cz>
108
109         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
110         (all_phis_safe_to_merge): New function.
111         (update_info): New structure.
112         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
113         (cleanup_empty_eh): Update SSA if possible.
114
115 2009-04-04  Richard Guenther  <rguenther@suse.de>
116
117         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
118         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
119         (append_vuse): Likewise.
120
121 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
122
123         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
124         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
125         instead of REG_UNSAVED for DW_CFA_undefined.
126         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
127         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
128         outermost frame.
129
130 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
131
132         PR target/39501
133         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
134         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
135         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
136
137 2009-04-04  Richard Guenther  <rguenther@suse.de>
138
139         PR tree-optimization/8781
140         PR tree-optimization/37892
141         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
142         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
143         (valueize_refs): Call it for *& valueizations.
144         (shared_reference_ops_from_ref): Rename to ...
145         (valueize_shared_reference_ops_from_ref): ... this and valueize.
146         (shared_reference_ops_from_call): Rename to ...
147         (valueize_shared_reference_ops_from_call): ... this and valueize.
148         (vn_reference_lookup): Update.
149         (visit_reference_op_call): Likewise.
150         * tree-ssa-pre.c (phi_translate_1): Fold *&.
151         (eliminate): Value-replace the call address in call statements.
152
153 2009-04-04  Richard Guenther  <rguenther@suse.de>
154
155         PR tree-optimization/39636
156         * tree-ssa-forwprop.c
157         (forward_propagate_addr_into_variable_array_index): Check for
158         GIMPLE_ASSIGN before accessing the rhs code.
159
160 2009-04-03  Jason Merrill  <jason@redhat.com>
161
162         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
163
164 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
165
166         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
167         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
168         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
169         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
170         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
171         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
172         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
173         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
174         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
175         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
176         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
177         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
178         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
179         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
180         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
181         Use fr_reg_or_fp01_operand instead of fr_register_operand
182
183         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
184         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
185         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
186
187 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
188
189         PR rtl-optimization/39607
190         PR rtl-optimization/39631
191         Revert
192         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
193         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
194         instead of DF_LR_OUT.
195         * ira-lives.c (process_bb_node_lives): Ditto.
196         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
197         instead of DF_LR_{OUT,IN}.
198         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
199         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
200
201 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
202
203         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
204         (execute_lower_omp): Always run but take the short way out if -fopenmp
205         is not given.
206         (gate_lower_omp): Remove, forcing the pass manager to always run the
207         pass and always set PROP_gimple_lomp.
208         (pass_lower_omp): Remove gate function.
209         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
210         PROP_trees.  Instead, require it.
211         * ipa-cp.c (pass_ipa_cp): Likewise.
212         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
213         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
214         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
215         and PROP_gimple_leh.
216
217 2009-04-03  Richard Guenther  <rguenther@suse.de>
218
219         PR middle-end/13146
220         PR tree-optimization/23940
221         PR tree-optimization/33237
222         PR middle-end/33974
223         PR middle-end/34093
224         PR tree-optimization/36201
225         PR tree-optimization/36230
226         PR tree-optimization/38049
227         PR tree-optimization/38207
228         PR tree-optimization/38230
229         PR tree-optimization/38301
230         PR tree-optimization/38585
231         PR middle-end/38895
232         PR tree-optimization/38985
233         PR tree-optimization/39299
234         * tree-ssa-structalias.h: Remove.
235         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
236         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
237         (struct vuse_element_d): Remove.
238         (struct vuse_vec_d): Likewise.
239         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
240         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
241         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
242         VUSE_ELEMENT_VAR): Likewise.
243         (struct voptype_d): Likewise.
244         (NUM_VOP_FREE_BUCKETS): Likewise.
245         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
246         (struct stmt_operands_d): Remove.
247         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
248         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
249         VDEF_NUM, VDEF_VECT): Likewise.
250         (copy_virtual_operands): Remove.
251         (operand_build_cmp): Likewise.
252         (create_ssa_artificial_load_stmt): Likewise.
253         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
254         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
255         vuse_index and mayuse_index members.  Pack and move done and iter_type
256         members to the front.
257         (SSA_OP_VMAYUSE): Remove.
258         (SSA_OP_VIRTUAL_USES): Adjust.
259         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
260         (unlink_stmt_vdef): Declare.
261         (add_to_addressable_set): Remove.
262         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
263         (vrp_visit_stmt): Likewise.
264         * doc/tree-ssa.texi (Alias analysis): Update.
265         * doc/invoke.texi (max-aliased-vops): Remove docs.
266         (avg-aliased-vops): Likewise.
267         * tree-into-ssa.c (syms_to_rename): Remove.
268         (need_to_update_vops_p): Likewise.
269         (need_to_initialize_update_ssa_p): Rename to ...
270         (update_ssa_initialized_fn): ... this.  Track function we are
271         initialized for.
272         (symbol_marked_for_renaming): Simplify.
273         (add_new_name_mapping): Do not set need_to_update_vops_p.
274         (dump_currdefs): Use SYMS_TO_RENAME.
275         (rewrite_update_stmt): Always walk all uses/defs.
276         (dump_update_ssa): Adjust.
277         (init_update_ssa): Take function argument.  Track what we are
278         initialized for.
279         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
280         (create_new_def_for): Initialize for cfun, assert we are initialized
281         for cfun.
282         (mark_sym_for_renaming): Simplify.
283         (mark_set_for_renaming): Do not initialize update-ssa.
284         (need_ssa_update_p): Simplify.  Take function argument.
285         (name_mappings_registered_p): Assert we ask for the correct function.
286         (name_registered_for_update_p): Likewise.
287         (ssa_names_to_replace): Likewise.
288         (release_ssa_name_after_update_ssa): Likewise.
289         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
290         (dump_decl_set): Do not print a newline.
291         (debug_decl_set): Do it here.
292         (dump_update_ssa): And here.
293         * tree-ssa-loop-im.c (move_computations): Adjust.
294         (movement_possibility): Likewise.
295         (determine_max_movement): Likewise.
296         (gather_mem_refs_stmt): Likewise.
297         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
298         or NAME_MEMORY_TAG.
299         * tree-complex.c (update_all_vops): Remove.
300         (expand_complex_move): Adjust.
301         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
302         Simplify test for memory referencing statement.  Exclude
303         non-invariant ADDR_EXPRs.
304         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
305         * tree-loop-distribution.c (generate_memset_zero): Adjust.
306         (rdg_flag_uses): Likewise.
307         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
308         related code.
309         (tree_optimize_tail_calls_1): Also split the
310         edge from the entry block if we have degenerate PHI nodes in
311         the first basic block.
312         * tree.c (init_ttree): Remove memory-tag related code.
313         (tree_code_size): Likewise.
314         (tree_node_structure): Likewise.
315         (build7_stat): Re-write to be build6_stat.
316         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
317         (SSA_VAR_P): Adjust.
318         (struct tree_memory_tag): Remove.
319         (struct tree_memory_partition_tag): Likewise.
320         (union tree_node): Adjust.
321         (build7): Re-write to be build6.
322         * tree-pass.h (pass_reset_cc_flags): Remove.
323         (TODO_update_address_taken): New flag.
324         (pass_simple_dse): Remove.
325         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
326         * params.h (MAX_ALIASED_VOPS): Remove.
327         (AVG_ALIASED_VOPS): Likewise.
328         * omp-low.c (expand_omp_taskreg): Update SSA form.
329         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
330         aliases the lhs in a copy stmt.
331         * tree-ssa-dse.c (struct address_walk_data): Remove.
332         (memory_ssa_name_same): Likewise.
333         (memory_address_same): Likewise.
334         (get_kill_of_stmt_lhs): Likewise.
335         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
336         unused stores.  Look through PHI nodes into post-dominated regions.
337         (dse_optimize_stmt): Simplify.  Properly remove stores.
338         (tree_ssa_dse): Compute dominators.
339         (execute_simple_dse): Remove.
340         (pass_simple_dse): Likewise.
341         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
342         gimple_loaded_syms and gimple_stored_syms computation.
343         * toplev.c (dump_memory_report): Dump alias and pta stats.
344         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
345         (vn_reference_eq): Likewise.
346         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
347         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
348         valueize_vuses): Remove.
349         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
350         (get_def_ref_stmt_vuse): ... this.
351         (vn_reference_lookup_2): New function.
352         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
353         walking equivalent vuses.  Simplify.
354         (vn_reference_lookup): Likewise.
355         (vn_reference_insert): Likewise.
356         (vn_reference_insert_pieces): Likewise.
357         (visit_reference_op_call): Simplify.
358         (visit_reference_op_load): Likewise.
359         (visit_reference_op_store): Likewise.
360         (init_scc_vn): Remove shared_lookup_vuses initialization.
361         (free_scc_vn): Remove shared_lookup_vuses freeing.
362         (sort_vuses, sort_vuses_heap): Remove.
363         (get_ref_from_reference_ops): Export.
364         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
365         vector with single vuse pointer.
366         (vn_reference_lookup_pieces, vn_reference_lookup,
367         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
368         (shared_vuses_from_stmt): Remove.
369         (get_ref_from_reference_ops): Declare.
370         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
371         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
372         memory-tag related code.
373         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
374         (likely_value): Add comment, skip static-chain of call statements.
375         (surely_varying_stmt_p): Adjust.
376         (gimplify_and_update_call_from_tree): Likewise.
377         (execute_fold_all_builtins): Do not rebuild alias info.
378         (gimplify_and_update_call_from_tree): Properly update VOPs.
379         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
380         (copy_ref_info): Remove memory-tag related code.
381         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
382         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
383         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
384         computation.
385         * tree-ssa-dom.c (gimple_p): Remove typedef.
386         (eliminate_redundant_computations): Adjust.
387         (record_equivalences_from_stmt): Likewise.
388         (avail_expr_hash): Likewise.
389         (avail_expr_eq): Likewise.
390         * tree-ssa-propagate.c (update_call_from_tree): Properly
391         update VOPs.
392         (stmt_makes_single_load): Likewise.
393         (stmt_makes_single_store): Likewise.
394         * tree-ssa-alias.c: Rewrite completely.
395         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
396         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
397         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
398         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
399         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
400         Remove public functions.
401         (pass_reset_cc_flags): Remove.
402         (pass_build_alias): Move ...
403         * tree-ssa-structalias.c (pass_build_alias): ... here.
404         * tree-ssa-alias.c (may_be_aliased): Move ...
405         * tree-flow-inline.h (may_be_aliased): ... here.
406         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
407         count_uses_and_derefs): Move ...
408         * gimple.c: ... here.
409         * gimple.h (count_uses_and_derefs): Declare.
410         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
411         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
412         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
413         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
414         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
415         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
416         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
417         New functions.
418         * tree-dfa.c (refs_may_alias_p): Move ...
419         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
420         * tree-ssa-alias.h: New file.
421         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
422         (statement_sink_location): Likewise.
423         * opts.c (decode_options): Do not adjust max-aliased-vops or
424         avg-aliased-vops values.
425         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
426         (TV_CALL_CLOBBER): Likewise.
427         (TV_FLOW_SENSITIVE): Likewise.
428         (TV_FLOW_INSENSITIVE): Likewise.
429         (TV_MEMORY_PARTITIONING): Likewise.
430         (TV_ALIAS_STMT_WALK): New timevar.
431         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
432         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
433         (get_address_description): Remove memory-tag related code.
434         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
435         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
436         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
437         and immediate uses in statements.  Document.
438         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
439         (dump_symbols): Remove.
440         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
441         * alias.c (get_deref_alias_set): New function split out from ...
442         (get_alias_set): ... here.
443         * alias.h (get_deref_alias_set): Declare.
444         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
445         type parameter.  Remove restrict pointer handling.  Create a
446         ref-all pointer in case type-based alias sets do not conflict.
447         (vect_analyze_data_refs): Remove SMT related code.
448         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
449         (vectorizable_load): Likewise.
450         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
451         (DR_SYMBOL_TAG, DR_VOPS): Remove.
452         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
453         Ignore vops and SMTs.
454         (dr_analyze_alias): Likewise..
455         (free_data_ref): Likewise.
456         (create_data_ref): Likewise.
457         (analyze_all_data_dependences): Likewise.
458         (get_references_in_stmt): Adjust.
459         * tree-flow-inline.h (gimple_aliases_computed_p,
460         gimple_addressable_vars, gimple_call_clobbered_vars,
461         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
462         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
463         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
464         gimple_mem_ref_stats): Remove.
465         (gimple_vop): New function.
466         (op_iter_next_use): Remove vuses and mayuses cases.
467         (op_iter_next_def): Remove vdefs case.
468         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
469         (clear_and_done_ssa_iter): Do not set removed fields.
470         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
471         Assert we are not iterating over vuses or vdefs if not also
472         iterating over uses or defs.
473         (op_iter_init_use): Likewise.
474         (op_iter_init_def): Likewise.
475         (op_iter_next_vdef): Remove.
476         (op_iter_next_mustdef): Likewise.
477         (op_iter_init_vdef): Likewise.
478         (compare_ssa_operands_equal): Likewise.
479         (link_use_stmts_after): Handle vuse operand.
480         (is_call_used): Use is_call_clobbered.
481         (is_call_clobbered): Global variables are always call clobbered,
482         query the call-clobbers bitmap.
483         (mark_call_clobbered): Ignore global variables.
484         (clear_call_clobbered): Likewise.
485         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
486         virtual operands sanity check.
487         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
488         Remove.
489         (TARGET_MEM_REF): Remove TMR_TAG operand.
490         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
491         Remove call-clobber related code.
492         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
493         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
494         partitions or escape reason.
495         (get_single_def_stmt, get_single_def_stmt_from_phi,
496         get_single_def_stmt_with_phi): Remove.
497         (dump_referenced_vars): Tidy.
498         (get_ref_base_and_extent): Allow bare decls.
499         (collect_dfa_stats): Adjust.
500         * graphite.c (rename_variables_in_stmt): Adjust.
501         (graphite_copy_stmts_from_block): Likewise.
502         (translate_clast): Likewise.
503         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
504         (EXPR_DIES): New.
505         (translate_vuse_through_block): Use the oracle.
506         (phi_translate_1): Adjust.
507         (value_dies_in_block_x): Use the oracle.  Cache the outcome
508         in EXPR_DIES.
509         (valid_in_sets): Check if the VUSE for
510         a REFERENCE is available.
511         (eliminate): Do not remove stmts during elimination,
512         instead queue and remove them afterwards.
513         (do_pre): Do not rebuild alias info.
514         (pass_pre): Run TODO_rebuild_alias before PRE.
515         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
516         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
517         (mark_all_v_defs_stmt): Remove.
518         (mark_all_v_defs_seq): Adjust.
519         (sra_replace): Likewise.
520         (scalarize_use): Likewise.
521         (scalarize_copy): Likewise.
522         (scalarize_init): Likewise.
523         (scalarize_ldst): Likewise.
524         (todoflags): Remove.
525         (tree_sra): Do not rebuild alias info.
526         (tree_sra_early): Adjust.
527         (pass_sra): Run TODO_update_address_taken before SRA.
528         * tree-predcom.c (set_alias_info): Remove.
529         (prepare_initializers_chain): Do not call it.
530         (mark_virtual_ops_for_renaming): Adjust.
531         (mark_virtual_ops_for_renaming_list): Remove.
532         (initialize_root_vars): Adjust.
533         (initialize_root_vars_lm): Likewise.
534         (prepare_initializers_chain): Likewise.
535         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
536         (may_propagate_copy_into_stmt): Likewise.
537         (merge_alias_info): Do nothing for now.
538         (propagate_tree_value_into_stmt): Adjust.
539         (stmt_may_generate_copy): Likewise.
540         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
541         not mark symbols for renaming.
542         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
543         with the same statement, make sure to update the new pointed-to one.
544         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
545         call statements, do not mark symbols for renaming.
546         (mark_operand_necessary): Dump something.
547         (ref_may_be_aliased): New function.
548         (mark_aliased_reaching_defs_necessary_1): New helper function.
549         (mark_aliased_reaching_defs_necessary): Likewise.
550         (mark_all_reaching_defs_necessary_1): Likewise.
551         (mark_all_reaching_defs_necessary): Likewise.
552         (propagate_necessity): Do not process virtual PHIs.  For
553         non-aliased loads mark all reaching definitions as necessary.
554         For aliased loads and stores mark the immediate dominating
555         aliased clobbers as necessary.
556         (visited): New global static.
557         (perform_tree_ssa_dce): Free visited bitmap after propagating
558         necessity.
559         (remove_dead_phis): Perform simple dead virtual PHI removal.
560         (remove_dead_stmt): Properly unlink virtual operands when
561         removing stores.
562         (eliminate_unnecessary_stmts): Schedule PHI removal after
563         stmt removal.
564         * tree-ssa-ter.c (is_replaceable_p): Adjust.
565         (process_replaceable): Likewise.
566         (find_replaceable_in_bb): Likewise.
567         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
568         based on the single gimple vop.
569         (verify_flow_insensitive_alias_info): Remove.
570         (verify_flow_sensitive_alias_info): Likewise.
571         (verify_call_clobbering): Likewise.
572         (verify_memory_partitions): Likewise.
573         (verify_alias_info): Likewise.
574         (verify_ssa): Adjust..
575         (execute_update_addresses_taken): Export.  Update SSA
576         manually.  Optimize only when optimizing.  Use a local bitmap.
577         (pass_update_address_taken): Remove TODO_update_ssa, add
578         TODO_dump_func.
579         (pass_update_address_taken): Just use TODO_update_address_taken.
580         (init_tree_ssa): Do not initialize addressable_vars.
581         (verify_ssa): Verify new VUSE / VDEF properties.
582         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
583         Do not call verify_alias_info.
584         (delete_tree_ssa): Clear the VUSE, VDEF operands.
585         Do not free the loaded and stored syms bitmaps.  Reset the escaped
586         and callused solutions.  Do not free addressable_vars.
587         Remove memory-tag related code.
588         (warn_uninitialized_var): Aliases are always available.
589         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
590         * lambda-code.c (can_put_in_inner_loop): Adjust.
591         (can_put_after_inner_loop): Likewise.
592         (perfect_nestify): Likewise.
593         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
594         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
595         (vectorizable_conversion): Do not mark symbols for renaming.
596         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
597         (expand_call_inline): Unlink the calls virtual operands before
598         replacing it.
599         (tree_function_versioning): Do not call update_ssa if we are not
600         updating clones.  Simplify.
601         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
602         (propagate_with_phi): Likewise..
603         * tree-outof-ssa.c (create_temp): Remove memory tag and call
604         clobber code.  Assert we are not aliased or global.
605         * tree-flow.h: Include tree-ssa-alias.h
606         (enum escape_type): Remove.
607         (struct mem_sym_stats_d): Likewise.
608         (struct mem_ref_stats_d): Likewise.
609         (struct gimple_df): Add vop member.  Remove global_var,
610         call_clobbered_vars, call_used_vars, addressable_vars,
611         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
612         escaped and callused members.
613         (struct ptr_info_def): Remove all members, add points-to solution
614         member pt.
615         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
616         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
617         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
618         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
619         (tree-ssa-alias.o): Likewise.
620         (toplev.o): Add tree-ssa-alias.h
621         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
622         * gimple.c (gimple_set_bb): Fix off-by-one error.
623         (is_gimple_reg): Do not handle memory tags.
624         (gimple_copy): Also copy virtual operands.
625         Delay updating the statement.  Do not reset loaded and stored syms.
626         (gimple_set_stored_syms): Remove.
627         (gimple_set_loaded_syms): Likewise.
628         (gimple_call_copy_skip_args): Copy the virtual operands
629         and mark the new statement modified.
630         * tree-ssa-structalias.c (may_alias_p): Remove.
631         (set_uids_in_ptset): Take the alias set to prune with as
632         parameter.  Fold in the alias test of may_alias_p.
633         (compute_points_to_sets): Compute whether a ptr is dereferenced
634         in a local sbitmap.
635         (process_constraint): Deal with &ANYTHING on the lhs, reject all
636         other ADDRESSOF constraints on the lhs.
637         (get_constraint_for_component_ref): Assert that we don't get
638         ADDRESSOF constraints from the base of the reference.
639         Properly generate UNKNOWN_OFFSET for DEREF if needed.
640         (struct variable_info): Remove collapsed_to member.
641         (get_varinfo_fc): Remove.
642         (new_var_info): Do not set collapsed_to.
643         (dump_constraint): Do not follow cycles.
644         (dump_constraint_graph): Likewise.
645         (build_pred_graph): Likewise.
646         (build_succ_graph): Likewise.
647         (rewrite_constraints): Likewise.
648         (do_simple_structure_copy): Remove.
649         (do_rhs_deref_structure_copy): Remove.
650         (do_lhs_deref_structure_copy): Remove.
651         (collapse_rest_of_var): Remove.
652         (do_structure_copy): Re-implement.
653         (pta_stats): New global variable.
654         (dump_pta_stats): New function.
655         (struct constraint_expr): Make offset signed.
656         (UNKNOWN_OFFSET): Define special value.
657         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
658         (solution_set_expand): New helper function split out from ...
659         (do_sd_constraint): ... here.
660         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
661         (do_ds_constraint): Likewise.
662         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
663         and CALLUSED = *CALLUSED.
664         (set_union_with_increment): Make inc argument signed.
665         (type_safe): Remove.
666         (get_constraint_for_ptr_offset): Handle unknown and negative
667         constant offsets.
668         (first_vi_for_offset): Handle offsets before start.  Bail
669         out early for offsets beyond the variable extent.
670         (first_or_preceding_vi_for_offset): New function.
671         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
672         Together with ESCAPED = *ESCAPED this properly computes reachability.
673         (find_what_var_points_to): New function.
674         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
675         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
676         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
677         pt_solutions_intersect): New functions.
678         (compute_call_used_vars): Remove.
679         (compute_may_aliases): New main entry into PTA computation.
680         * gimple.h (gimple_p): New typedef.
681         (struct gimple_statement_base): Remove references_memory_p.
682         (struct gimple_statement_with_memory_ops_base): Remove
683         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
684         members.
685         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
686         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
687         gimple_set_references_memory): Remove.
688         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
689         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
690         New functions.
691         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
692         (verify_expr): Allow RESULT_DECL.
693         (gimple_duplicate_bb): Do not copy virtual operands.
694         (gimple_duplicate_sese_region): Adjust.
695         (gimple_duplicate_sese_tail): Likewise.
696         (mark_virtual_ops_in_region): Remove.
697         (move_sese_region_to_fn): Do not call it.
698         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
699         and pass_simple_dse.
700         (execute_function_todo): Handle TODO_update_address_taken,
701         call execute_update_addresses_taken for TODO_rebuild_alias.
702         (execute_todo): Adjust.
703         (execute_one_pass): Init dump files early.
704         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
705         call-clobbered.
706         (create_general_new_stmt): Clear vops.
707         * tree-ssa-reassoc.c (get_rank): Adjust.
708         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
709         symbols for renaming.
710         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
711         (PARAM_AVG_ALIASED_VOPS): Likewise.
712         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
713         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
714         * tree-ssa-operands.c: Simplify for new virtual operand
715         representation.
716         (operand_build_cmp, copy_virtual_operands,
717         create_ssa_artificial_load_stmt, add_to_addressable_set,
718         gimple_add_to_addresses_taken): Remove public functions.
719         (unlink_stmt_vdef): New function.
720
721 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
722
723         * config.gcc (powerpc-*-linux*): Merge variants.
724
725 2009-04-02  Chao-ying Fu  <fu@mips.com>
726             James Grosbach <james.grosbach@microchip.com>
727
728         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
729         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
730         cop0_sp_offset.
731         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
732         keep_interrupts_masked_p, use_debug_exception_return_p.
733         (mips_attribute_table): Add interrupt, use_shadow_register_set,
734         keep_interrupts_masked, use_debug_exception_return.
735         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
736         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
737         New functions.
738         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
739         (mips_print_operand): Process COP0 registers to print $0 .. $31
740         correctly for GAS to process.
741         (mips_interrupt_extra_call_saved_reg_p): New function.
742         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
743         extra registers.
744         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
745         (mips_compute_frame_info): Add supports for interrupt context that
746         includes doubleword accumulators and COP0 registers.
747         (mips_for_each_saved_acc): New function.
748         (mips_for_each_saved_gpr_and_fpr): Change the function name from
749         mips_for_each_saved_reg.
750         (mips_save_reg): Save accumulators.
751         (mips_kernel_reg_p): A new for_each_rtx callback.
752         (mips_expand_prologue): Support interrupt handlers.
753         (mips_restore_reg): Restore accumulators.
754         (mips_expand_epilogue): Support interrupt handlers.
755         (mips_can_use_return_insn): Return false for interrupt handlers.
756         (mips_epilogue_uses): New function.
757         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
758         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
759         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
760         cop0_move): New instructions.
761         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
762         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
763         defines.
764         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
765         New defines.
766         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
767         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
768         interrupt handlers, we use K0 as the temporary register.
769         (EPILOGUE_USES): Change to a function call.
770         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
771         handlers, we use K0 as the temporary register.
772         
773         * doc/extend.texi (Function Attributes): Document interrupt,
774         use_shadow_register_set, keep_interrupts_masked,
775         use_debug_exception_return for MIPS attributes.
776
777 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
778
779         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
780         Remove a number of t-files from tmake_file.
781         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
782         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
783         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
784         target_prototype, not TARGET_PROTOTYPE.
785         (LINK_OS_GNU_SPEC): Define.
786         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
787         and darwin-ldoubdle.c.
788
789 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
790
791         PR driver/39293
792         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
793         (cpp_options): Ditto.
794         (default_compilers): Ditto.
795         (display_help): Ditto.
796         (process_command): Ditto.
797         (do_spec_1): Ditto.
798         (set_input): Use lbasename instead of duplicate code.
799         (save_temps_prefix): New static for -save-temps=obj.
800         (save_temps_length): Ditto.
801         
802         * doc/invoke.texi (-save-temps=obj): Document new variant to
803         -save-temps switch.
804
805 2009-04-02  Jeff Law  <law@redhat.com>
806
807         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
808         variable.
809
810 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
811
812         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
813         * configure: Regenerated.
814
815 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
816
817         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
818         share the argument list.
819
820 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
821
822         Merge
823
824         2009-02-12  Diego Novillo  <dnovillo@google.com>
825
826         * varpool.c (debug_varpool): New.
827         * cgraph.h (debug_varpool): Declare.
828
829 2009-04-02  Jan Hubicka  <jh@suse.cz>
830
831         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
832         pass.
833
834 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
835
836         * config/i386/i386.c (ix86_abi): Move initialization to ...
837         (override_options): Here.
838
839 2009-04-02  Christian Bruel  <christian.bruel@st.com>
840
841         * config/sh/sh.c (sh_dwarf_register_span): New function.
842         (TARGET_DWARF_REGISTER_SPAN): Define.
843         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
844         
845 2009-04-02  Ira Rosen  <irar@il.ibm.com>
846
847         PR tree-optimization/39595
848         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
849         interleaved loads group is not  greater than the SLP group size.
850
851 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
852
853         * builtins.c (is_builtin_name): New.
854         (called_as_built_in): Use is_builtin_name.
855         * tree.h (is_builtin_name): New.
856         * varasm.c (incorporeal_function_p): Use is_builtin_name
857
858 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
859
860         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
861
862 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
863
864         PR c++/26693
865         * c-decl.c: (clone_underlying_type): Move this ...
866         * c-common.c (set_underlying_type): ... here.
867         Also, make sure the function properly sets TYPE_STUB_DECL() on
868         the newly created typedef variant type.
869         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
870         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
871
872 2009-04-02  Richard Guenther  <rguenther@suse.de>
873
874         PR tree-optimization/37221
875         * tree-flow.h (degenerate_phi_result): Declare.
876         * tree-ssa-dom.c (degenerate_phi_result): Export.
877         * tree-scalar-evolution.c (analyze_initial_condition): If
878         the initial condition is defined by a degenerate PHI node
879         use the degenerate value.
880
881 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
882
883         PR rtl-optimization/39588
884         * combine.c (merge_outer_ops): Do not set the constant when this
885         is not necessary.
886         (simplify_shift_const_1): Do not modify it either in this case.
887
888 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
889
890         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
891         tuning is deprecated if -mtune value is set to an Itanium1 variant.
892
893 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
894
895         PR c/29027
896         * c-lex.c (interpret_float): Default (no suffix) is double.
897
898 2009-04-1  Xinliang David Li  <davidxl@google.com>
899
900         * config/i386/i386.c (legitimate_constant_p): Recognize
901         all one vector constant.
902
903 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
904
905         * gcc/config/vax/vax.c: Add #includes to silence warnings.
906         Change #include order to silence two warnings.
907
908 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
909
910         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
911         (ASM_SPEC): Pass -k to the assembler for PIC code.
912
913 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
914
915         * gcc/config.gcc: Add vax-*-linux* to the switch.
916         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
917         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
918
919 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
920
921         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
922         Use predicate macros instead of GET_CODE() == foo.
923         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
924         ashlsi3, rotrsi3, <unnamed>): Likewise.
925
926 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
927
928         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
929         jbbccihi, jbbccisi): Remova trailing whitespace.
930         * gcc/config/vax/constraints.md: Likewise.
931         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
932         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
933         * gcc/config/vax/predicates.md: Likewise.
934         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
935         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
936         * gcc/config/vax/vax.h: Likewise.
937         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
938
939 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
940
941         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
942         (indirectable_address_p, adjacent_operands_p): Add spaces around
943         braces.
944         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
945
946 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
947
948         * gcc/config/vax/vax.c (legitimate_constant_address_p,
949         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
950         index_term_p, reg_plus_index_p, legitimate_address_p,
951         vax_mode_dependent_address_p): Update comments to match functions
952         modified by the recent int->bool conversion.
953
954 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
955
956         * gcc/config/vax/builtins.md: Update copyright message.
957         * gcc/config/vax/constraints.md: Likewise.
958         * gcc/config/vax/netbsd-elf.h: Likewise.
959         * gcc/config/vax/predicates.md: Likewise.
960         * gcc/config/vax/vax-protos.h: Likewise.
961         * gcc/config/vax/vax.c: Likewise.
962         * gcc/config/vax/vax.h: Likewise.
963         * gcc/config/vax/vax.md: Likewise.
964         * gcc/config/vax/vax.opt: Likewise.
965
966 2009-04-01      Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
967
968         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
969         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
970         * gcc/config/vax/constraints.md (B, R): Likewise.
971         * gcc/config/vax/predicates.md (external_memory_operand,
972         nonimmediate_addsub_di_operand): Likewise.
973         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
974         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
975         untyped_call): Likewise.
976
977 2009-04-01      Matt Thomas <matt@3am-software.com>
978
979         * config/vax/predicates.md: New file. (symbolic_operand,
980         local_symbolic_operand, external_symbolic_operand,
981         external_const_operand, nonsymbolic_operand, external_memory_operand,
982         indirect_memory_operand, indexed_memory_operand,
983         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
984         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
985         predicate.
986         * config/vax/constraints.md: New file. (Z0, U06,  U08, U16, CN6, S08,
987         S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
988         * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
989         sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
990         sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
991         * config/vax/vax.opt (mqmath): Add option.
992         * config/vax/vax.md (isfx): Extend with DI.
993         (VAXintQH, VAXintQHSD): Define.
994         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
995         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
996         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
997         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
998         (movdi): Update constraints and use vax_output_int_move().
999         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
1000         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
1001         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
1002         nonlocal_goto): New.
1003         (mov<mode>): Extend accepted operand types.
1004         (subdi3_old): Rename from subdi3, change update constraints and use
1005         a new implementation.
1006         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
1007         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
1008         MOVE_RATIO, CLEAR_RATIO): Define.
1009         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
1010         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1011         (PRINT_OPERAND): Redefine using a function instead of inlined code.
1012         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
1013         (split_quadword_operands): Make static and really allow variable
1014         splitting.
1015         (print_operand_address): Update for PIC generation.
1016         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
1017         indexable_address_p, fixup_mathdi_operand,
1018         vax_expand_addsub_di_operands, adjacent_operands_p): New.
1019         (vax_float_literal, legitimate_constant_p,
1020         indirectable_constant_address_p, index_term_p,
1021         reg_plus_index_p): Return bool instead of int.
1022         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
1023         where needed.
1024         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
1025         generation.
1026         (vax_output_conditional_branch): Indent.
1027         (legitimate_constant_address_p, indirectable_constant_address_p,
1028         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
1029         vax_mode_dependent_address_p): Return bool instead of int, update for
1030         PIC generation.
1031         * config/vax/vax-protos.h (legitimate_constant_address_p,
1032         legitimate_constant_p, legitimate_address_p,
1033         vax_mode_dependent_address_p): Change declaration to bool.
1034         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
1035         vax_expand_addsub_di_operands, vax_output_int_subtract,
1036         vax_output_movmemsi): Declare.
1037         (split_quadword_operands, vax_float_literal): Delete declaration.
1038         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
1039         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
1040         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
1041         ASM_OUTPUT_DWARF_PCREL): Define.
1042         (ASM_SPEC): Change definition to allow PIC generation.
1043
1044 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1045
1046         PR target/39226
1047         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
1048         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
1049         (booldi3_internal3): Use boolean_or_operator instead of
1050         boolean_operator.
1051
1052 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
1053
1054         PR c/39605
1055         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
1056         declarator whose size is not an integer constant expression but
1057         folds to an integer constant, then treat it as a constant
1058         subsequently.
1059
1060 2009-04-01  Richard Guenther  <rguenther@suse.de>
1061
1062         * fold-const.c (fold_plusminus_mult_expr): Do not fold
1063         i * 4 + 2 to (i * 2 + 1) * 2.
1064
1065 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1066
1067         PR c/37772
1068         * c-parser.c (c_parser_asm_statement): Skip until close paren and
1069         return if c_parser_asm_string_literal returned NULL.
1070
1071 2009-04-01  Nick Clifton  <nickc@redhat.com>
1072
1073         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
1074         already defined.
1075         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
1076         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
1077         other typedefs to avoid conflicts with libgcc2.c.  Define labels
1078         to gain 16-bit bit-manipulation functions from libgcc2.c and then
1079         include it.
1080         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
1081         to gain 16-bit trapping arithmetic functions from libgcc2.c and
1082         then include it.
1083
1084 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
1085
1086        * varasm.c (default_function_rodata_section): Declare DOT as const char*.
1087
1088 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
1089             Andrey Galkin <agalkin@hypercom.com>
1090
1091         PR/39492
1092         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
1093         Make object_name unique for each process.
1094
1095 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR other/39591
1098         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
1099         addressable variables in the parallel that could go out of scope while
1100         running queued tasks.
1101
1102 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
1103
1104         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
1105         (CASE_VALUES_THRESHOLD): Redefine.
1106         * config/avr/avr.c (avr_override_options): Remove initialization of
1107         avr_case_values_threshold variable.
1108         (avr_case_values_threshold): Remove variable. Add new function.
1109         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
1110         * config/avr/avr.opt (mno-tablejump): Remove option.
1111         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
1112
1113 2009-04-01  DJ Delorie  <dj@redhat.com>
1114
1115         * varasm.c (default_function_rodata_section): Don't assume
1116         anything about where the first '.' in the section name is.
1117
1118 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
1119
1120         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
1121         rs6000_emit_stack_tie.
1122
1123 2009-03-31  Ian Lance Taylor  <iant@google.com>
1124
1125         * tree-eh.c (tree_remove_unreachable_handlers): Compare
1126         gimple_code with GIMPLE_RESX, not RESX.
1127
1128 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1129
1130         * c-common.c (c_get_ident): New.
1131         (c_common_nodes_and_builtins): Call it for type names that may be
1132         NULL.
1133
1134 2009-04-01  Ben Elliston  <bje@au.ibm.com>
1135
1136         * config/rs6000/sysv4.opt (msdata): Improve option description.
1137
1138 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
1139
1140         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
1141         (divdf3_internal_lat): Remove.
1142         (divxf3_internal_lat): Remove.
1143         (divxf3_internal_thr): Remove.
1144         (divxf): Use divxf3_internal.
1145         * config/ia64/div.md (divsf3_internal_lat): New.
1146         (divdf3_internal_lat): New.
1147         (divxf3_internal): New.
1148
1149 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1150
1151         PR c/448
1152         * Makefile.in (USE_GCC_STDINT): Define.
1153         (stmp-int-hdrs): Install stdint.h if applicable.
1154         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
1155         if known.
1156         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
1157         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
1158         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1159         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1160         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1161         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1162         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1163         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1164         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1165         (c_common_nodes_and_builtins): Initialize
1166         underlying_wchar_type_node.  Do not initialize
1167         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
1168         nodes for new types.
1169         (c_stddef_cpp_builtins): Define macros for new types.
1170         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
1171         Remove.
1172         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
1173         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
1174         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
1175         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
1176         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
1177         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
1178         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
1179         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
1180         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
1181         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
1182         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
1183         int16_type_node, int32_type_node, int64_type_node,
1184         uint8_type_node, uint16_type_node, c_uint32_type_node,
1185         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
1186         int_least32_type_node, int_least64_type_node,
1187         uint_least8_type_node, uint_least16_type_node,
1188         uint_least32_type_node, uint_least64_type_node,
1189         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
1190         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
1191         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
1192         uintptr_type_node): Define.
1193         * c-cppbuiltin.c (builtin_define_constants,
1194         builtin_define_type_minmax): New.
1195         (builtin_define_stdint_macros): Define more macros.
1196         (c_cpp_builtins): Define more limit macros.
1197         (type_suffix): New.
1198         (builtin_define_type_max): Define in terms of
1199         builtin_define_type_minmax.  Remove is_long parameter.  All
1200         callers changed.
1201         * config.gcc (use_gcc_stdint): Define.
1202         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
1203         Add newlib-stdint.h for generic targets.
1204         * config/glibc-stdint.h, config/newlib-stdint.h,
1205         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
1206         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
1207         * config/score/score.h (UINTPTR_TYPE): Define.
1208         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
1209         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
1210         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1211         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1212         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1213         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1214         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1215         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
1216         * config/spu/spu.h (STDINT_LONG32): Define.
1217         * configure.ac (use_gcc_stdint): Substitute.
1218         * configure: Regenerate.
1219         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
1220         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
1221         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
1222         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
1223         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
1224         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
1225         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
1226         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
1227         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
1228         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
1229         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
1230         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
1231         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
1232         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
1233         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
1234         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
1235         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
1236         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
1237         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
1238         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
1239         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
1240         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
1241         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
1242         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
1243         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
1244         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
1245         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
1246         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
1247         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
1248
1249 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
1250
1251         * loop-iv.c (suitable_set_for_replacement): Renamed from
1252         simplify_using_assignment; changed to return bool and to accept new
1253         args DEST and SRC.  Return true iff we find a source/destination pair
1254         that can be used to make a replacement, and fill SRC and DEST if so.
1255         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
1256         changed.
1257         (simplify_using_initial_values): Deal with altered regs here and track
1258         more precisely the effect they have on the validity of our expression.
1259
1260         * loop-iv.c (simplify_using_condition): A condition of the form
1261         (EQ REG CONST) can be used to simply make a substitution.
1262         (simplify_using_initial_values): Keep track of conditions we have seen
1263         and keep using them to simplify new expressions, while applying the
1264         same substitutions to them as to the expression.
1265
1266         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1267         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
1268         GEU/LTU reversed.
1269
1270         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
1271         changed.  Use this when trying to improve the upper bound.
1272         Generate the comparison by using simplify_gen_relational.
1273
1274         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
1275
1276         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
1277         functions.
1278         (simplify_using_assignment, simplify_using_initial_values): Call 
1279         replace_in_expr to make replacements.  Call replace_single_def_regs
1280         once on the initial version of the expression.
1281
1282 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1283
1284         PR target/27237
1285         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
1286         
1287 2009-03-31  Richard Guenther  <rguenther@suse.de>
1288
1289         PR middle-end/31029
1290         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
1291         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
1292
1293 2009-03-31  Richard Guenther  <rguenther@suse.de>
1294
1295         * tree.h (div_if_zero_remainder): Declare.
1296         * fold-const.c (div_if_zero_remainder): Export.
1297         * tree-ssa-forwprop.c
1298         (forward_propagate_addr_into_variable_array_index): Handle
1299         constant array index addition outside of the variable index.
1300
1301 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1302
1303         PR target/39592
1304         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
1305         define_splits, floatunssi<mode>2): Require x87 conversions from
1306         DImode to be permitted.
1307
1308 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1309
1310         PR preprocessor/15638
1311         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
1312
1313 2009-03-31  Richard Guenther  <rguenther@suse.de>
1314
1315         PR middle-end/23401
1316         PR middle-end/27810
1317         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
1318         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
1319         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
1320         a separate statement.
1321         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
1322         (lookup_tmp_var): Likewise.
1323         (is_gimple_formal_tmp_or_call_rhs): Remove.
1324         (is_gimple_reg_or_call_rhs): Rename to ...
1325         (is_gimple_reg_rhs_or_call): ... this.
1326         (is_gimple_mem_or_call_rhs): Rename to ...
1327         (is_gimple_mem_rhs_or_call): ... this.
1328         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
1329         DECL_GIMPLE_REG_P only if is_formal is true.
1330         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
1331         for non-proper post-modify expression gimplification.
1332         (gimplify_self_mod_expr): For post-modify expressions gimplify
1333         the lvalue to a minimal lvalue.
1334         (rhs_predicate_for): Remove formal temp case.
1335         (gimplify_modify_expr_rhs): Likewise.
1336         (gimplify_addr_expr): Use is_gimple_reg.
1337         (gimplify_expr): Remove formal temp cases.
1338         (gimple_regimplify_operands): Likewise.
1339         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
1340         and FILTER_EXPR like constants.
1341         * gimple.c (walk_gimple_op): Fix val_only initialization, use
1342         is_gimple_reg.
1343         (is_gimple_formal_tmp_rhs): Remove.
1344         (is_gimple_reg_rhs): Remove special casing.
1345         (is_gimple_mem_rhs): Fix.
1346         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
1347         (is_gimple_formal_tmp_var): Remove.
1348         (is_gimple_formal_tmp_reg): Likewise.
1349         (is_gimple_min_lval): Allow invariant component ref parts.
1350         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
1351         is_gimple_formal_tmp_reg): Remove declarations.
1352         * tree-cfg.c (verify_expr): Verify that variables with address
1353         taken do not have DECL_GIMPLE_REG_P set.
1354         * tree-mudflap.c (mf_build_check_statement_for): Use
1355         force_gimple_operand instead of gimplify_expr.
1356
1357 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
1358
1359         * modulo-sched.c (sms_schedule_by_order): Pass the actual
1360         schedulable rows to compute_split_row.
1361
1362 2009-03-31  Ben Elliston  <bje@au.ibm.com>
1363
1364         PR target/31635
1365         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
1366         OPT_mvrsave.
1367
1368 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1369
1370         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
1371         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
1372         * configure: Regenerate.
1373         * config.in: Regenerate.
1374         * config/rs6000/rs6000.opt (mtls-markers): Add.
1375         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
1376         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
1377         (tls_ld_aix, tls_ld_sysv): Likewise.
1378         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
1379         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
1380
1381 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
1382
1383         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
1384
1385 2009-03-30  Jan Hubicka  <jh@suse.cz>
1386
1387         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
1388         out of RESX.
1389         (tree_remove_unreachable_handlers): Cleanup EH predecestor
1390         detection and label handling.
1391
1392 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1393
1394         * ira-int.h (ira_allocno): Rename left_conflicts_num to
1395         left_conflicts_size.
1396         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
1397         ALLOCNO_LEFT_CONFLICTS_SIZE.
1398
1399         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
1400         remove_allocno_from_bucket_and_push,
1401         allocno_spill_priority_compare, push_allocnos_to_stack,
1402         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1403         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
1404         (setup_allocno_left_conflicts_num): Ditto.  Rename to
1405         setup_allocno_left_conflicts_size.
1406         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
1407         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
1408         setup_allocno_left_conflicts_size instead of
1409         setup_allocno_left_conflicts_num.
1410
1411         * ira-build.c (ira_create_allocno): Use
1412         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
1413         ALLOCNO_LEFT_CONFLICTS_NUM.
1414                 
1415 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1416
1417         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1418         instead of DF_LR_OUT.
1419
1420         * ira-lives.c (process_bb_node_lives): Ditto.
1421
1422         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1423         instead of DF_LR_{OUT,IN}.
1424
1425         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1426
1427         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1428
1429 2009-03-30  Jan Hubicka  <jh@suse.cz>
1430
1431         * except.c (label_to_region_map): Fix thinko.
1432
1433 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
1434
1435         PR middle-end/38237
1436         * tree.h (tree_find_value): New declaration.
1437         * tree.c (tree_find_value): New function.
1438         * varasm.c (assemble_external): Avoid duplicate entries on lists.
1439
1440 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR debug/39563
1443         * c-decl.c (struct c_binding): Add locus field.
1444         (bind): Add locus argument, set locus field from it.
1445         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
1446         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
1447         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
1448         implicitly_declare, undeclared_variable, lookup_label,
1449         declare_label, c_make_fname_decl, c_builtin_function,
1450         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
1451         bind callers.
1452
1453 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
1454
1455         PR target/38781
1456         * config/i386/i386.c (classify_argument): Check total size of
1457         structure.
1458
1459 2009-03-30  Martin Jambor  <mjambor@suse.cz>
1460
1461         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
1462         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
1463         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
1464         respectively.
1465
1466         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
1467         seen_variable_array_ref while also traversing a union.
1468
1469         * tree-inline.c (optimize_inline_calls): Do not call
1470         cgraph_node_remove_callees.
1471         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
1472         (pass_remove_cgraph_callee_edges): New variable.
1473         * passes.c (init_optimization_passes): Add
1474         pass_remove_cgraph_callee_edges after early inlining and before all
1475         late intraprocedural passes.
1476
1477         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
1478
1479 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1480
1481         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
1482         Fix typos in names.
1483
1484 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1485
1486         * combine.c (simplify_comparison): Use have_insn_for.
1487         * dojump.c (do_jump): Likewise.
1488
1489 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1490
1491         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
1492         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
1493         sparc_compare_op0 like sparc_compare_emitted used to be handled.
1494         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
1495         instead of sparc_compare_emitted.
1496         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
1497         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
1498         instead of sparc_compare_emitted.
1499
1500 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1501
1502         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
1503         enter/exit cfglayout mode.
1504         (pass_partition_block): Require it.
1505         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
1506         (combine_instructions): Track basic blocks instead of labels.
1507         (update_cfg_for_uncondjump): New.
1508         (try_combine): Use it.  Update jumps after rescanning.
1509         (pass_combine): Require PROP_cfglayout.
1510         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
1511
1512 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1513
1514         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
1515         Provide/destroy PROP_cfglayout respectively.
1516         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
1517         * tree-pass.h (PROP_cfglayout): New.
1518
1519 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
1520
1521         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
1522         fold_convert_const_fixed_from_fixed,
1523         fold_convert_const_fixed_from_int,
1524         fold_convert_const_fixed_from_real, fold_negate_const): Do not
1525         set TREE_CONSTANT_OVERFLOW.
1526         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
1527         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
1528
1529 2009-03-30  Ira Rosen  <irar@il.ibm.com>
1530
1531         * tree-vect-loop-manip.c: New file.
1532         * tree-vectorizer.c: Update documentation and included files.
1533         (vect_loop_location): Make extern.
1534         (rename_use_op): Move to tree-vect-loop-manip.c
1535         (rename_variables_in_bb, rename_variables_in_loop, 
1536         slpeel_update_phis_for_duplicate_loop, 
1537         slpeel_update_phi_nodes_for_guard1,
1538         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
1539         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
1540         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
1541         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
1542         find_loop_location): Likewise.
1543         (new_stmt_vec_info): Move to tree-vect-stmts.c.
1544         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
1545         get_vectype_for_scalar_type, vect_is_simple_use,
1546         supportable_widening_operation, supportable_narrowing_operation):
1547         Likewise.
1548         (bb_in_loop_p): Move to tree-vect-loop.c.
1549         (new_loop_vec_info, destroy_loop_vec_info, 
1550         reduction_code_for_scalar_code, report_vect_op, 
1551         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
1552         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
1553         (vect_supportable_dr_alignment): Likewise.
1554         * tree-vectorizer.h (tree-data-ref.h): Include.
1555         (vect_loop_location): Declare.
1556         Reorganize function declarations according to the new file structure.
1557         * tree-vect-loop.c: New file.
1558         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
1559         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
1560         * tree-vect-data-refs.c: New file.
1561         * tree-vect-patterns.c (timevar.h): Don't include.
1562         * tree-vect-stmts.c: New file.
1563         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
1564         tree-vect-slp.c, tree-vect-loop.c.
1565         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
1566         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
1567         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
1568         (tree-vect-analyze.o): Remove.
1569         (tree-vect-transform.o): Likewise.
1570         (tree-vect-data-refs.o): Add rule.
1571         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
1572         tree-vect-slp.o): Likewise.
1573         (tree-vect-patterns.o): Remove redundant dependencies.
1574         (tree-vectorizer.o): Likewise.
1575         * tree-vect-slp.c: New file.
1576
1577 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1578
1579         * optc-gen.awk: Warn if an option flag has multiple different
1580         help strings.
1581
1582 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
1583
1584         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
1585         -floop-block): Document dependences on PPL, CLooG and Graphite.
1586
1587 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1588
1589         PR rtl-optimization/323
1590         * c-common.c (c_fully_fold, convert_and_check,
1591         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
1592         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
1593         * c-common.def (EXCESS_PRECISION_EXPR): New.
1594         * c-cppbuiltin.c (builtin_define_float_constants): Define
1595         constants with enough digits for long double.
1596         * c-lex.c (interpret_float): Interpret constant with excess
1597         precision where appropriate.
1598         * c-opts.c (c_common_post_options): Set
1599         flag_excess_precision_cmdline.  Give an error for
1600         -fexcess-precision=standard for C++ for processors where the
1601         option is significant.
1602         * c-parser.c (c_parser_conditional_expression): Handle excess
1603         precision in condition.
1604         * c-typeck.c (convert_arguments): Handle arguments with excess
1605         precision.
1606         (build_unary_op): Move excess precision outside operation.
1607         (build_conditional_expr): Likewise.
1608         (build_compound_expr): Likewise.
1609         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
1610         (build_modify_expr): Handle excess precision in RHS.
1611         (convert_for_assignment): Handle excess precision in converted
1612         value.
1613         (digest_init, output_init_element, process_init_element): Handle
1614         excess precision in initializer.
1615         (c_finish_return): Handle excess precision in return value.
1616         (build_binary_op): Handle excess precision in operands and add
1617         excess precision as needed for operation.
1618         * common.opt (-fexcess-precision=): New option.
1619         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
1620         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
1621         For standard excess precision, output explicit conversion to and
1622         truncation from XFmode.
1623         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
1624         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
1625         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
1626         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
1627         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
1628         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
1629         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
1630         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
1631         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
1632         define_splits, sqrt<mode>2): Disable where appropriate for
1633         standard excess precision.
1634         * convert.c (convert_to_real): Do not shorten arithmetic to type
1635         for which excess precision would be used.
1636         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
1637         * doc/invoke.texi (-fexcess-precision=): Document option.
1638         (-mfpmath=): Correct index entry.
1639         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
1640         flag_excess_precision): New.
1641         * langhooks.c (lhd_post_options): Set
1642         flag_excess_precision_cmdline.
1643         * opts.c (common_handle_option): Handle -fexcess-precision=.
1644         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
1645         init_excess_precision): New.
1646         (lang_dependent_init_target): Call init_excess_precision.
1647         * tree.c (excess_precision_type): New.
1648         * tree.h (excess_precision_type): Declare.
1649
1650 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1651
1652         PR c/35235
1653         * c-typeck.c (build_component_ref): Do not copy qualifiers from
1654         non-lvalue to component.
1655
1656 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1657
1658         PR preprocessor/34695
1659         * Makefile.in (c-opts.o): Depend on c-tree.h.
1660         * c-common.c: Move down include of diagnostic.h.
1661         (done_lexing, c_cpp_error): New.
1662         * c-common.h (done_lexing): Declare.
1663         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
1664         (parse_in).
1665         * c-opts.c: Include c-tree.h.
1666         (c_common_init_options): Set preprocessor error callback.
1667         (c_common_handle_option): Do not set preprocessor
1668         inhibit_warnings, warnings_are_errors, warn_system_headers,
1669         pedantic_errors or inhibit_warnings flags.
1670         (c_common_post_options): Do not check cpp_errors (parse_in).
1671         (c_common_finish): Do not output dependencies if there were
1672         errors.  Do not check return value of cpp_finish.
1673         * c-ppoutput.c (pp_file_change): Set input_location.
1674         * c-tree.h (c_cpp_error): Declare.
1675         * diagnostic.c (diagnostic_set_info_translated): Also initialize
1676         override_column.
1677         (diagnostic_build_prefix): Check override_column.
1678         * diagnostic.h (diagnostic_info): Add override_column field.
1679         (diagnostic_override_column): Define.
1680
1681 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
1682
1683         * c-common.c (c_expand_expr, c_staticp): Remove.
1684         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
1685         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
1686         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
1687         * c-gimplify.c (gimplify_compound_literal_expr,
1688         optimize_compound_literals_in_ctor): Remove.
1689         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
1690         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
1691         * c-semantics.c (emit_local_var): Remove.
1692
1693         * langhooks-def.h (lhd_expand_expr): Remove.
1694         * langhooks.c (lhd_expand_expr): Remove.
1695         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
1696
1697         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
1698         handling from c-semantics.c; don't call into langhook.
1699         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
1700         * gimplify.c (gimplify_compound_literal_expr,
1701         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
1702         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
1703         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
1704         as was done in c-gimplify.c.
1705         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
1706         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
1707         Move from c-common.h.
1708         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
1709
1710         * tree.c (staticp): Do not call langhook.
1711         * langhooks.c (lhd_staticp): Delete.
1712         * langhooks-def.h (lhd_staticp): Delete prototype.
1713         (LANG_HOOKS_STATICP): Delete.
1714         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
1715
1716         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
1717         instead of DECL_STMTs.
1718
1719 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1720
1721         PR c/456
1722         PR c/5675
1723         PR c/19976
1724         PR c/29116
1725         PR c/31871
1726         PR c/35198
1727         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
1728         void_type_node.
1729         (fold_call_expr): Return a NOP_EXPR from folding rather than the
1730         contained expression.
1731         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
1732         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
1733         conditional expressions for C.
1734         (decl_constant_value_for_optimization): Move from
1735         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
1736         whether optimizing and that the expression is a VAR_DECL not of
1737         array type instead of doing such checks in the caller.  Do not
1738         check pedantic.  Call gcc_unreachable for C++.
1739         * c-common.def (C_MAYBE_CONST_EXPR): New.
1740         * c-common.h (c_fully_fold, c_save_expr,
1741         decl_constant_value_for_optimization): New prototypes.
1742         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1743         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1744         EXPR_INT_CONST_OPERANDS): Define.
1745         * c-convert.c (convert): Strip nops from expression.
1746         * c-decl.c (groktypename): Take extra parameters expr and
1747         expr_const_operands.  Update call to grokdeclarator.
1748         (start_decl): Update call to grokdeclarator.  Add statement for
1749         expressions used in type of decl.
1750         (grokparm): Update call to grokdeclarator.
1751         (push_parm_decl): Update call to grokdeclarator.
1752         (build_compound_literal): Add parameter non_const and build a
1753         C_MAYBE_COSNT_EXPR if applicable.
1754         (grokdeclarator): Take extra parameters expr and
1755         expr_const_operands.  Track expressions used in declaration
1756         specifiers and declarators.  Fold array sizes and track whether
1757         they are constant expressions and whether they are integer
1758         constant expressions.
1759         (parser_xref_tag): Set expr and expr_const_operands fields in
1760         return value.
1761         (grokfield): Update call to grokdeclarator.
1762         (start_function): Update call to grokdeclarator.
1763         (build_null_declspecs): Set expr and expr_const_operands fields in
1764         return value.
1765         (declspecs_add_type): Handle expressions in typeof specifiers.
1766         * c-parser.c (c_parser_declspecs): Set expr and
1767         expr_const_operands fields for declaration specifiers.
1768         (c_parser_enum_specifier): Likewise.
1769         (c_parser_struct_or_union_specifier): Likewise.
1770         (c_parser_typeof_specifier): Likewise.  Update call to
1771         groktypename.  Fold expression as needed.  Return expressions with
1772         type instead of adding statements.
1773         (c_parser_attributes): Update calls to c_parser_expr_list.
1774         (c_parser_statement_after_labels): Fold expression before passing
1775         to objc_build_throw_stmt.
1776         (c_parser_condition): Fold expression.
1777         (c_parser_asm_operands): Fold expression.
1778         (c_parser_conditional_expression): Use c_save_expr.  Update call
1779         to build_conditional_expr.
1780         (c_parser_alignof_expression): Update call to groktypename.
1781         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
1782         original_code.  Fold expression argument of va_arg.  Create
1783         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
1784         argument to va_arg.  Update calls to groktypename.  Fold array
1785         index for offsetof.  Verify that first argument to
1786         __builtin_choose_expr has integer type.
1787         (c_parser_postfix_expression_after_paren_type): Update calls to
1788         groktypename and build_compound_literal.  Handle expressions with
1789         side effects in type name.
1790         (c_parser_postfix_expression_after_primary): Update call to
1791         c_parser_expr_list.  Set original_code for calls to
1792         __builtin_constant_p.
1793         (c_parser_expr_list): Take extra parameter fold_p.  Fold
1794         expressions if requested.
1795         (c_parser_objc_type_name): Update call to groktypename.
1796         (c_parser_objc_synchronized_statement): Fold expression.
1797         (c_parser_objc_receiver): Fold expression.
1798         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
1799         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
1800         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
1801         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
1802         (struct c_typespec): Add elements expr and expr_const_operands.
1803         (struct c_declspecs): Add elements expr and expr_const_operands.
1804         (groktypename, build_conditional_expr, build_compound_literal):
1805         Update prototypes.
1806         (in_late_binary_op): Declare.
1807         * c-typeck.c (note_integer_operands): New function.
1808         (in_late_binary_op): New variable.
1809         (decl_constant_value_for_broken_optimization): Move to c-common.c
1810         and rename to decl_constant_value_for_optimization.
1811         (default_function_array_conversion): Do not strip nops.
1812         (default_conversion): Do not call
1813         decl_constant_value_for_broken_optimization.
1814         (build_array_ref): Do not fold result.
1815         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
1816         result when operand is a VLA.
1817         (c_expr_sizeof_type): Update call to groktypename.  Handle
1818         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
1819         result when operand names a VLA type.
1820         (build_function_call): Update call to build_compound_literal.
1821         Only fold result for calls to __builtin_* functions.  Strip
1822         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
1823         the function designator.
1824         (convert_arguments): Fold arguments.  Update call to
1825         convert_for_assignment.
1826         (build_unary_op): Handle increment and decrement of
1827         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
1828         decrement earlier.  Fold operand of increment and decrement.
1829         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
1830         built for integer operand.  Wrap returns that are INTEGER_CSTs
1831         without being integer constant expressions or that have integer
1832         constant operands without being INTEGER_CSTs.
1833         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
1834         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
1835         result is an integer constant expression or can be used in
1836         unevaluated parts of one and avoid folding and wrap as
1837         appropriate.  Fold operands before possibly doing -Wsign-compare
1838         warnings.
1839         (build_compound_expr): Wrap result for C99 if operands can be used
1840         in integer constant expressions.
1841         (build_c_cast): Update call to digest_init.  Do not ignore
1842         overflow from casting floating-point constants to integers.  Wrap
1843         results that could be confused with integer constant expressions,
1844         null pointer constants or floating-point constants.
1845         (c_cast_expr): Update call to groktypename.  Handle expressions
1846         included in type name.
1847         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
1848         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
1849         Update calls to convert_for_assignment.
1850         (convert_for_assignment): Take new parameter
1851         null_pointer_constant.  Do not strip nops or call
1852         decl_constant_value_for_broken_optimization.  Set
1853         in_late_binary_op for conversions to boolean.
1854         (store_init_value): Update call to digest_init.
1855         (digest_init): Take new parameter null_pointer_constant.  Do not
1856         call decl_constant_value_for_broken_optimization.  pedwarn for
1857         initializers not constant expressions.  Update calls to
1858         convert_for_assignment.
1859         (constructor_nonconst): New.
1860         (struct constructor_stack): Add nonconst element.
1861         (really_start_incremental_init, push_init_level, pop_init_level):
1862         Handle constructor_nonconst and nonconst element.
1863         (set_init_index): Call constant_expression_warning for array
1864         designators.
1865         (output_init_element): Fold value.  Set constructor_nonconst as
1866         applicable.  pedwarn for initializers not constant expressions.
1867         Update call to digest_init.  Call constant_expression_warning
1868         where constant initializers are required.
1869         (process_init_element): Use c_save_expr.
1870         (c_finish_goto_ptr): Fold expression.
1871         (c_finish_return): Fold return value.  Update call to
1872         convert_for_assignment.
1873         (c_start_case): Fold switch expression.
1874         (c_process_expr_stmt): Fold expression.
1875         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
1876         ensure statement expression is not evaluated in constant expression.
1877         (build_binary_op): Track whether results are integer constant
1878         expressions or may occur in such, disable folding and wrap results
1879         as applicable.  Fold operands for -Wsign-compare warnings unless
1880         in_late_binary_op.
1881         (c_objc_common_truthvalue_conversion): Handle results folded to
1882         integer constants that are not integer constant expressions.
1883         * doc/extend.texi: Document when typeof operands are evaluated,
1884         that condition of __builtin_choose_expr is an integer constant
1885         expression, and more about use of __builtin_constant_p in
1886         initializers.
1887
1888 2009-03-29  Richard Guenther  <rguenther@suse.de>
1889
1890         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
1891         propagate addresses of array references.
1892
1893 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1894
1895         * regmove.c (perhaps_ends_bb_p): Remove.
1896         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
1897         from INSN and check that the main loop stays within that basic block.
1898         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
1899         (regmove_forward_pass): Split out from regmove_optimize.  Use
1900         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
1901         (regmove_backward_pass): Split out from regmove_optimize.  Use
1902         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
1903         (regmove_optimize): Simplify.
1904
1905 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1906
1907         PR target/39545
1908         * config/i386/i386.c (classify_argument): Ignore flexible array
1909         member in struct and warn ABI change.
1910
1911 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
1912
1913         * config/i386/i386-protos.h (ix86_agi_dependent): New.
1914
1915         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
1916         (ix86_adjust_cost): Updated.
1917
1918 2009-03-29  Jan Hubicka  <jh@suse.cz>
1919
1920         PR middle-end/28850
1921         * tree-pass.h (pass_cleanup_eh): New function.
1922         (remove_unreachable_regions): Break code handling RTL
1923         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
1924         that can not be reached by runtime.
1925         (can_be_reached_by_runtime): New function.
1926         (label_to_region_map): New function.
1927         (num_eh_regions): New function.
1928         (rtl_remove_unreachable_regions): New function.
1929         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
1930         (remove_eh_region): New function.
1931         * except.h: Include sbitmap and vecprim.
1932         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
1933         num_eh_regions): Declare.
1934         * passes.c (init_optimization_passes): Schedule cleanup_eh.
1935         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
1936         * tree-eh.c (tree_remove_unreachable_handlers): New function.
1937         (tree_empty_eh_handler_p): New function.
1938         (cleanup_empty_eh): New function.
1939         (cleanup_eh): New function.
1940         (pass_cleanup_eh): New function.
1941
1942 2009-03-29  Jan Hubicka  <jh@suse.cz>
1943
1944         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
1945         for removed regions.
1946
1947 2009-03-29  Jan Hubicka  <jh@suse.cz>
1948
1949         * except.c (dump_eh_tree): Dump all datastructures.
1950
1951 2009-03-29  Jan Hubicka  <jh@suse.cz>
1952
1953         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
1954         (duplicate_eh_regions_1): Likewise.
1955         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
1956         vector; call EH verification.
1957         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
1958         Be ready for region being removed.
1959
1960 2009-03-29  Jan Hubicka  <jh@suse.cz>
1961
1962         * bitmap.c (bitmap_last_set_bit): New function.
1963         * bitmap.h (bitmap_last_set_bit): Declare.
1964
1965 2009-03-29  David Ayers  <ayers@fsfe.org>
1966
1967         PR objc/27377
1968         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
1969         by calling objc_compare_types and surpress warnings about
1970         incompatible C pointers that are compatible ObjC pointers.
1971         
1972 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
1973
1974         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
1975         call initialize_inline_failed.
1976         (initialize_inline_failed): Move it from here ...
1977         * cgraph.c (initialize_inline_failed): ... to here.
1978         (cgraph_create_edge): Call initialize_inline_failed rather than
1979         setting inline_failed directly.
1980
1981 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1982
1983         PR target/32542
1984         * sysv4.opt (msdata): Improve comment.
1985         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
1986         * sysv4.h (SVR4_ASM_SPEC): Likewise.
1987
1988 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1989
1990         PR target/30451
1991         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
1992         load and store attributes.
1993
1994 2009-03-29  Ben Elliston  <bje@au.ibm.com>
1995
1996         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
1997         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
1998         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
1999         * doc/extend.texi (X86 Built-in Functions): Add index entries for
2000         __builtin_infq and __builtin_huge_valq.
2001
2002 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
2003
2004         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
2005         atmega8m1 devices.
2006         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2007         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2008
2009 2009-03-28  Xinliang David Li  <davidxl@google.com>
2010
2011         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
2012         (do_dbg_cnt): New function.
2013
2014 2009-03-28  Jan Hubicka  <jh@suse.cz>
2015
2016         Merge from pretty-ipa:
2017
2018         2009-03-27  Jan Hubicka  <jh@suse.cz>
2019
2020         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2021         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
2022         * passes.c (function_called_by_processed_nodes_p): New.
2023         * ipa-pure-const.c (check_call): Fix handling of operands.
2024         (analyze_function): Dump debug output for skipped bodies.
2025         (local_pure_const): Use function_called_by_processed_nodes_p.
2026         * dwarf2out.c (reference_to_unused): Use output.
2027         * passes.c (do_per_function_toporder): Likewise.
2028
2029         2008-11-12  Jan Hubicka  <jh@suse.cz>
2030
2031         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
2032         * ipa-pure-const.c (funct_state_d): Add can throw field; make
2033         state_set_in_source enum
2034         (check_decl): Ignore memory tags; do not set fake looping flags;
2035         dump diagnostics.
2036         (check_operand, check_tree, check_rhs_var, check_lhs_var,
2037         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
2038         (check_call, analyze_function): Rewrite.
2039         (check_stmt): New.
2040         (add_new_function): Update call of analyze_function.
2041         (generate_summary): Add call of analyze_function.
2042         (propagate): Propagate can_throw; handle state_set_in_source correctly.
2043         (local_pure_const): New function.
2044         (pass_local_pure_const): New pass.
2045         * ipa-inline.c (inline_transform): Set after_inlining.
2046         * tree-eh.c (stmt_can_throw_external): New.
2047         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
2048         work with aliasing built.
2049         * tree-flow.h (stmt_can_throw_external): New.
2050         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
2051         and local pure/const pass in early and late optimization queue.
2052
2053 2009-03-28  Martin Jambor  <mjambor@suse.cz>
2054
2055         * fold-const.c (get_pointer_modulus_and_residue): New parameter
2056         allow_func_align.
2057         (fold_binary): Allow function decl aligment consideration is the
2058         second argument is integer constant one.
2059         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
2060         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
2061         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
2062
2063 2009-03-28  Jan Hubicka  <jh@suse.cz>
2064
2065         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
2066         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
2067         * function.h (rtl_data): Add nothrow flag.
2068         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
2069         set DECL_NOTHROW for AVAILABLE functions.
2070
2071 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
2072
2073         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
2074         following vector keyword has expansion starting with pixel or bool
2075         keyword, expand vector to __vector and pixel or bool to __pixel or
2076         __bool.
2077
2078         PR c++/39554
2079         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
2080         warn_if_disallowed_function_p): Removed.
2081         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
2082         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
2083         warning_if_disallowed_function_p.
2084         * flags.h (warn_if_disallowed_function_p,
2085         warn_disallowed_functions): Removed.
2086         * common.opt (Wdisallowed-function-list=): Removed.
2087         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2088
2089 2009-03-28  Richard Guenther  <rguenther@suse.de>
2090
2091         PR tree-optimization/38723
2092         * tree-ssa-pre.c (compute_avail): Add all default definitions to
2093         the entry block.
2094
2095 2009-03-28  Jan Hubicka  <jh@suse.cz>
2096
2097         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
2098         test introduced by my previous patch.
2099
2100 2009-03-28  Richard Guenther  <rguenther@suse.de>
2101
2102         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
2103         the PHIs value undefined.
2104
2105 2009-03-28  Jan Hubicka  <jh@suse.cz>
2106
2107         * tree-pass.h (pass_fixup_cfg): New pass.
2108         * ipa-inline.c (inline_transform): Set
2109         always_inline_functions_inlined/after_inlining.
2110         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
2111         (pass_fixup_cfg): New pass.
2112         * passes.c (init_optimization_passes): Add fixup_cfg.
2113
2114 2009-03-28  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/38458
2117         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
2118         argument use the arguments copy-of value.
2119
2120 2009-03-28  Richard Guenther  <rguenther@suse.de>
2121
2122         PR tree-optimization/38180
2123         * tree-ssa-ccp.c (get_default_value): Simplify.
2124         (likely_value): Likewise.
2125         (surely_varying_stmt_p): Properly handle VOP case.
2126         (ccp_initialize): Likewise.
2127         (ccp_fold): Handle propagating through *&.
2128         (fold_const_aggregate_ref): Also handle decls.
2129
2130 2009-03-28  Jan Hubicka  <jh@suse.cz>
2131
2132         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
2133         * cgraph.h (cgraph_node): Likewise.
2134         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
2135         (cgraph_reset_node): Use process flag.
2136         (cgraph_mark_functions_to_output): Likewise.
2137         (cgraph_expand_function): Likewise.
2138         (cgraph_expand_all_functions): Likewise.
2139         (cgraph_output_in_order): Likewise.
2140         * dwarf2out.c (reference_to_unused): Likewise.
2141         * passes.c do_per_function_toporder): Likewise.
2142
2143 2009-03-28  Jan Hubicka  <jh@suse.cz>
2144
2145         Bring from lto-branch:
2146
2147         2008-09-03  Doug Kwan  <dougkwan@google.com>
2148
2149         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
2150         enums instead of reason strings.
2151         * cgraph.c (cgraph_create_edge): Same.
2152         (cgraph_inline_failed_string): New function.
2153         * cgraph.h (cgraph_inline_failed_t): New enum type.
2154         (cgraph_inline_failed_string): New prototype.
2155         (struct cgraph_edge): Change type of INLINED_FAILED from constant
2156         char pointer to cgraph_inline_failed_t.
2157         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
2158         (cgraph_default_inline_p): Ditto.
2159         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
2160         to cgraph_inline_failed_t pointer.
2161         * cif-code.def: New file.
2162         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
2163         reason string.
2164         (cgraph_check_inline_limits): Change type of REASON to pointer to
2165         cgraph_inline_failed_t.  Replace reason strings with enums.
2166         (cgraph_default_inline_p): Ditto.
2167         (cgraph_recursive_inlining_p): Ditto.
2168         (update_caller_keys): Change type of FAILED_REASON to
2169         cgraph_inline_failed_t.
2170         (cgraph_set_inline_failed): Change type of REASON to pointer to
2171         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
2172         convert enums to strings for text output.
2173         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
2174         to be of type cgraph_inline_failed_t.  Replace reason strings with
2175         enums.  Call cgraph_inline_failed_string to covert enums
2176         to strings for text output.
2177         (cgraph_decide_inlining): Replace reason strings with enums.
2178         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
2179         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
2180         for text output.
2181         * tree-inline.c (expand_call_inline): Change type of REASON
2182         to cgraph_inline_failed_t.  Replace reason strings with enums.
2183         Call cgraph_inline_failed_string for text output.
2184         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
2185         (cgraph.o): Ditto.
2186
2187 2009-03-28  Jan Hubicka  <jh@suse.cz>
2188
2189         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
2190         cgraph_clone_node): Remove master clone handling.
2191         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2192         * cgraph.h (master_clone): Remove.
2193         (cgraph_is_master_clone, cgraph_master_clone): Remove.
2194         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
2195         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
2196
2197 2009-03-28  Jan Hubicka  <jh@suse.cz>
2198
2199         * cgraph.c (cgraph_function_body_availability): Functions declared
2200         inline are always safe to assume that it is not going to be replaced.
2201
2202 2009-03-28  Richard Guenther  <rguenther@suse.de>
2203
2204         PR tree-optimization/38513
2205         * tree-ssa-pre.c (eliminate): Remove redundant stores.
2206         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2207         EXC_PTR_EXPR and FILTER_EXPR.
2208         (get_ref_from_reference_ops): Likewise.
2209
2210 2009-03-28  Richard Guenther  <rguenther@suse.de>
2211
2212         PR tree-optimization/38968
2213         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2214         Use FLOOR_MOD_EXPR to compute misalignment.
2215
2216 2009-03-28  Richard Guenther  <rguenther@suse.de>
2217
2218         PR tree-optimization/37795
2219         * tree.h (combine_comparisons): Declare.
2220         * fold-const.c (combine_comparisons): Export.
2221         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
2222         comparisons.
2223         (ifcombine_iforif): Use combine_comparisons.
2224
2225 2009-03-28  Jan Hubicka  <jh@suse.cz>
2226
2227         * tree-eh.c (inlinable_call_p): New function.
2228         (make_eh_edges): Use it.
2229         (verify_eh_edges): Use it.
2230         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
2231         * except.c (reachable_next_level): Add inlinable_function argument
2232         (sjlj_find_directly_reachable_regions): Update.
2233         (add_reachable_handler): Do not set saw_any_handlers.
2234         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
2235         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
2236         Add new inlinable call parameter.
2237         (can_throw_internal, can_throw_external): Update.
2238         * except.h (can_throw_internal_1, can_throw_external_1,
2239         foreach_reachable_handler): Update declaration.
2240
2241 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
2242
2243         * config/arm/t-arm-coff, config/h8300/coff.h,
2244         config/i386/i386-aout.h, config/i386/i386-coff.h,
2245         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
2246         config/pdp11/2bsd.h, config/rs6000/aix41.h,
2247         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
2248         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
2249         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
2250         sys-types.h: Remove.
2251         * Makefile.in: Remove protoize and fixproto support and references
2252         in comments.
2253         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
2254         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
2255         Remove.
2256         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
2257         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
2258         unprotoize$(exeext).
2259         (rest.encap): Don't depend on $(STMP_FIXPROTO)
2260         (.PHONY): Don't depend on proto.
2261         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
2262         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
2263         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
2264         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
2265         build/gen-protos.o, build/scan.o, xsys-protos.h,
2266         build/fix-header$(build_exeext), build/fix-header.o,
2267         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
2268         stmp-install-fixproto): Remove.
2269         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
2270         SYSCALLS.c or fixproto files.
2271         (install-common): Don't install protoize.
2272         (install-headers-tar, install-headers-cpio, install-headers-cp):
2273         Don't depend on $(STMP_FIXPROTO).
2274         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
2275         install fixproto files or write out fixproto settings.
2276         (uninstall): Don't uninstall protoize.
2277         * config.gcc (use_fixproto): Remove.
2278         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
2279         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
2280         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
2281         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
2282         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
2283         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
2284         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
2285         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
2286         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
2287         * config/t-vxworks (STMP_FIXPROTO): Remove.
2288         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
2289         STMP_FIXPROTO): Remove.
2290         * config.in, configure: Regenerate.
2291         * crtstuff.c (gid_t, uid_t): Don't undefine.
2292         * doc/install.texi: Change m68k-coff to m68k-elf in example.
2293         (arm-*-coff, arm-*-aout: Remove target entries.
2294         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
2295         Remove mention of AIX 4.1.
2296         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
2297         * doc/invoke.texi (Running Protoize): Remove.
2298         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
2299         (Protoize Caveats): Remove.
2300         * tsystem.h: Update comments on headers assumed to exist.
2301
2302 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
2303
2304         * genautomata.c: Add a new year to the copyright.  Add a new
2305         reference.
2306         (struct insn_reserv_decl): Add comments for member bypass_list.
2307         (find_bypass): Remove.
2308         (insert_bypass): New.
2309         (process_decls): Use insert_bypass.
2310         (output_internal_insn_latency_func): Output all bypasses with the
2311         same input insn in one switch case.
2312
2313         * rtl.def (define_bypass): Describe bypass choice.
2314         * doc/md.texi (define_bypass): Ditto.
2315
2316 2009-03-27  Richard Guenther  <rguenther@suse.de>
2317
2318         * gimplify.c (mark_addressable): Export.
2319         * tree-flow.h (mark_addressable): Declare.
2320         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
2321         * tree-ssa.c (verify_phi_args): Verify that address taken
2322         variables have TREE_ADDRESSABLE set.
2323
2324 2009-03-27  Richard Guenther  <rguenther@suse.de>
2325
2326         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
2327         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
2328         Do not mark decls TREE_ADDRESSABLE.
2329         (build_fold_addr_expr): Adjust.
2330         (fold_addr_expr): Remove.
2331         (fold_unary): Use build_fold_addr_expr.
2332         (fold_comparison): Likewise.
2333         (split_address_to_core_and_offset): Likewise.
2334         * coverage.c (tree_coverage_counter_addr): Mark the array decl
2335         TREE_ADDRESSABLE.
2336         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
2337         (gimplify_modify_expr_to_memcpy): Mark source and destination
2338         addressable.
2339         * omp-low.c (create_omp_child_function): Mark the object decl
2340         TREE_ADDRESSABLE.
2341         (lower_rec_input_clauses): Mark the var we take the address of
2342         TREE_ADDRESSABLE.
2343         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
2344
2345 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2346
2347         PR middle-end/39315
2348         * cfgexpand.c (expand_one_stack_var_at): Change alignment
2349         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
2350
2351 2009-03-27  Richard Guenther  <rguenther@suse.de>
2352
2353         PR tree-optimization/39120
2354         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
2355         constraints.
2356         (handle_lhs_call): Process return constraints.  Add escape
2357         constraints if necessary.
2358         (handle_const_call): Fill out return constraints.  Make nested
2359         case more precise.  Avoid consttmp if possible.
2360         (handle_pure_call): Fill out return constraints.  Avoid
2361         callused if possible.
2362         (find_func_aliases): Simplify call handling.
2363
2364 2009-03-27  Richard Guenther  <rguenther@suse.de>
2365
2366         PR tree-optimization/39120
2367         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
2368         as a representative.
2369         (solve_graph): Do propagate CALLUSED.
2370         (handle_pure_call): Use a scalar constraint from CALLUSED for
2371         the return value.
2372         (find_what_p_points_to): CALLUSED shall not appear in poins-to
2373         solutions.
2374
2375 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2376
2377         PR c/39323
2378         * c-common.c (handle_aligned_attribute): Properly check alignment
2379         overflow.  Use (1U << i) instead of (1 << i).
2380
2381         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
2382
2383         * expr.h (get_mem_align_offset): Updated.
2384
2385         * tree.h (tree_decl_common): Change align to "unsigned int" and
2386         move it before pointer_alias_set.
2387
2388 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2389             Jakub Jelinek  <jakub@redhat.com>
2390
2391         PR target/38034
2392         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
2393         gr_register_operand with gr_reg_or_0_operand.
2394         (cmpxchg_rel_di): Likewise.
2395         (sync_lock_test_and_set<mode>): Likewise.
2396
2397 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2398
2399         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
2400         (true_regnum): Likewise.
2401
2402         * rtlanal.c (subreg_info): Moved to ...
2403         * rtl.h (subreg_info): Here.  New.
2404         (subreg_get_info): New.
2405
2406         * rtlanal.c (subreg_get_info): Make it extern.
2407
2408 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2409
2410         PR target/39472
2411         * config/i386/i386.c (ix86_abi): New.
2412         (override_options): Handle -mabi=.
2413         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
2414         (ix86_call_abi_override): Likewise.
2415         (init_cumulative_args): Likewise.
2416         (function_arg_advance): Likewise.
2417         (function_arg_64): Likewise.
2418         (function_arg): Likewise.
2419         (ix86_pass_by_reference): Likewise.
2420         (ix86_function_value_regno_p): Likewise.
2421         (ix86_build_builtin_va_list_abi): Likewise.
2422         (setup_incoming_varargs_64): Likewise.
2423         (is_va_list_char_pointer): Likewise.
2424         (ix86_init_machine_status): Likewise.
2425         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
2426         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
2427         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
2428         (ix86_function_abi): Make it static and return enum calling_abi.
2429         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
2430         with ix86_abi.
2431         (ix86_fn_abi_va_list): Updated.
2432
2433         * config/i386/i386.h (ix86_abi): New.
2434         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
2435         (CONDITIONAL_REGISTER_USAGE): Likewise.
2436         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
2437         (machine_function): Likewise.
2438
2439         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
2440         with ix86_abi.
2441         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
2442         (STACK_BOUNDARY): Likewise.
2443         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
2444
2445         * config/i386/i386.opt (mabi=): New.
2446
2447         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
2448         return enum calling_abi.
2449         (ix86_function_type_abi): Likewise.
2450         (ix86_function_abi): Removed.
2451
2452         * doc/invoke.texi: Document -mabi= option for x86.
2453
2454 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2455
2456         * builtins.c (real_dconstp): Delete.
2457         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
2458
2459 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
2460             Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR debug/37959
2463         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
2464         (gen_subprogram_die): When a function is explicit, generate the
2465         DW_AT_explicit attribute.
2466         * langhooks.h (struct lang_hooks_for_decls): Add
2467         function_decl_explicit_p langhook.
2468         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
2469         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
2470
2471 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
2472
2473         * builtins.c (fold_builtin_memory_op): Optimize memmove
2474         into memcpy if we can prove source and destination don't overlap.
2475
2476         * tree-inline.c: Include gt-tree-inline.h.
2477         (clone_fn_id_num): New variable.
2478         (clone_function_name): New function.
2479         (tree_function_versioning): Use it.
2480         * Makefile.in (GTFILES): Add tree-inline.c.
2481
2482 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
2483
2484         * BASE-VER: Change to 4.5.0.
2485
2486 2009-03-27  Xinliang David Li  <davidxl@google.com>
2487
2488         PR tree-optimization/39557
2489         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
2490
2491 2009-03-27  Xinliang David Li  <davidxl@google.com>
2492
2493         PR tree-optimization/39548
2494         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
2495         candidate check.
2496
2497 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2498
2499         * c-common.c (pointer_int_sum): Use %wd on return from
2500         tree_low_cst.
2501
2502 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2503
2504         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
2505         on return from tree_low_cst.
2506
2507 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2508
2509         PR c++/36799
2510         * ginclude/stdarg.h (va_copy): Define also for
2511         __GXX_EXPERIMENTAL_CXX0X__.
2512
2513 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2514
2515         PR c++/35652
2516         * builtins.h (c_strlen): Do not warn here.
2517         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
2518         * c-common.c (pointer_int_sum): Take an explicit location.
2519         Warn about offsets out of bounds.
2520         * c-common.h (pointer_int_sum): Adjust declaration.
2521
2522 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2523
2524         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
2525         markup glitch.
2526
2527 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR c++/39554
2530         * opts.c (warn_if_disallowed_function_p): Don't assume
2531         get_callee_fndecl must return non-NULL.
2532
2533 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
2534
2535         PR rtl-optimization/39522
2536         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
2537         when reg_reloaded_valid is set.
2538
2539 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2540
2541         * config/spu/divv2df3.c: New file.
2542         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
2543         (DPBIT_FUNCS): Filter out _div_df.
2544
2545 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2546
2547         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
2548         a jump insn, count that jump in the distance to the loop start.
2549
2550 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2551
2552         PR target/39523
2553         * config/sh/sh.c (calc_live_regs): Fix condition for global
2554         registers except PIC_OFFSET_TABLE_REGNUM.
2555
2556 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
2557
2558         PR/39518
2559         * doc/invoke.texi (-mconsole): New.
2560         (-mcygwin): New.
2561         (-mno-cygwin): New.
2562         (-mdll): New.
2563         (-mnop-fun-dllimport): New.
2564         (-mthread): New.
2565         (-mwin32): New.
2566         (-mwindows): New.
2567         (sub section "i386 and x86-64 Windows Options"): New.
2568
2569 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2570
2571         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
2572         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2573
2574 2009-03-25  Richard Guenther  <rguenther@suse.de>
2575
2576         PR middle-end/39497
2577         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
2578         of -Wno-error.
2579
2580 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
2581
2582         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
2583         neither of haifa/selective schedulers are working.
2584
2585 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2586
2587         * doc/invoke.texi (Debugging Options): Fix description of
2588         -fno-merge-debug-strings.
2589
2590 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
2591
2592         * config/cris/libgcc.ver: New version-script.
2593         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
2594
2595         * configure.ac <GAS features, nop mnemonic>: Add pattern
2596         crisv32-*-* for "nop".
2597         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
2598         * configure: Regenerate.
2599
2600 2009-03-24  Ira Rosen  <irar@il.ibm.com>
2601
2602         PR tree-optimization/39529
2603         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
2604         mark_sym_for_renaming for the tag copied to the new vector
2605         pointer.
2606
2607 2009-03-24  Arthur Loiret  <aloiret@debian.org>
2608
2609         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
2610         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
2611         EXTRA_SPEC_FUNCTIONS.
2612         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2613         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
2614         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
2615         -march and -mtune options.
2616
2617 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
2618
2619         * config/m68k/t-rtems: Add m5329 multilib.
2620
2621 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
2622             Jakub Jelinek  <jakub@redhat.com>
2623
2624         PR debug/39524
2625         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2626         nodes.
2627
2628 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2629
2630         PR c/39495
2631         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
2632         instead of c_parser_expression_conv, if original_code isn't one of the
2633         4 allowed comparison codes, fail.
2634
2635 2009-03-23  Richard Guenther  <rguenther@suse.de>
2636
2637         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
2638         * tree.h (struct tree_type): Likewise.
2639         * reload.h (struct insn_chain): Likewise.
2640         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
2641         * function.h (struct function): Likewise.
2642         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2643
2644 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
2645
2646         PR tree-optimization/39516
2647         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2648
2649 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
2650
2651         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
2652         should be set true if BITS_PER_WORD of target is bigger than 32
2653
2654 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
2655
2656         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
2657         Translate -B-options to -rpath-link.  Correct existing
2658         rpath-link and conditionalize on !nostdlib.
2659
2660 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2661
2662         * doc/extend.texi (Function Attributes, Variable Attributes):
2663         Fix typos.
2664         * doc/invoke.texi (Debugging Options, Optimize Options)
2665         (i386 and x86-64 Options, MCore Options): Likewise.
2666
2667 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
2668
2669         PR debug/37890
2670         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
2671         it for block local namespace aliases.
2672         (gen_decl_die): Pass context_die to gen_namespace_die.
2673
2674 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR c/39495
2677         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
2678         minimum or maximum value.
2679
2680 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
2681
2682         * reginfo.c (globalize_reg): Recompute derived reg sets.
2683
2684 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
2685
2686         PR target/39063
2687         * libgcc2.c (mprotect): Do not use signed arguments for
2688         VirtualProtect, use DWORD arguments.  Also fix the 'may
2689         be used uninitialized' warning for the np variable.
2690
2691 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
2692
2693         PR target/39496
2694         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
2695         functions using regparm calling conventions when not optimizing.
2696         (ix86_function_sseregparm): Similarly for sseregparm calling
2697         conventions.
2698
2699 2009-03-19  Li Feng  <nemokingdom@gmail.com>
2700
2701         PR middle-end/39500
2702         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
2703         dependence if the first conflict is after niter iterations.
2704
2705 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
2706
2707         PR middle-end/38609
2708         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
2709         functions with dynamic stack-pointer adjustments.
2710
2711 2009-03-19  Ben Elliston  <bje@au.ibm.com>
2712
2713         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
2714         option; change to -msdata=data.
2715
2716 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2717
2718         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
2719         and -fopenmp.
2720
2721 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
2722
2723         PR target/35180
2724         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
2725
2726 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
2727
2728         * doc/invoke.texi (Code Gen Options): Expand discussion of
2729         -fno-common.
2730
2731 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
2732
2733         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
2734         * matrix-reorg.c (struct matrix_info): Likewise.
2735         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
2736         * rtl.h (struct mem_attrs): Likewise.
2737         * df.h (struct df): Likewise.
2738         * tree-data-ref.h (struct data_dependence_relation): Likewise.
2739         * ira-int.h (struct ira_allocno): Likewise.
2740         * df-scan.c (struct df_collection_rec): Likewise.
2741         * ira.c (struct equivalence): Likewise.
2742         * function.c (struct temp_slot): Likewise.
2743         * cfgloop.h (struct loop): Likewise.
2744
2745         PR debug/39485
2746         * function.c (use_register_for_decl): When not optimizing, disregard
2747         register keyword for variables with types containing methods.
2748
2749 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         PR middle-end/39447
2752         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
2753         (is_simple_operand): Call contains_component_ref_p before calling data
2754         reference analysis that would fail on COMPONENT_REFs.
2755
2756         * tree-vrp.c (search_for_addr_array): Fix formatting.
2757
2758 2009-03-18  Richard Guenther  <rguenther@suse.de>
2759
2760         * tree-vect-transform.c (vect_loop_versioning): Fold the
2761         generated comparisons.
2762         * tree-vectorizer.c (set_prologue_iterations): Likewise.
2763         (slpeel_tree_peel_loop_to_edge): Likewise.
2764
2765 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2766
2767         PR middle-end/37805
2768         * opts.c (print_specific_help): In addition to `undocumented',
2769         accept `separate' and `joined' flags if passed alone.  Describe
2770         output by the first matched one of those.
2771         (common_handle_option): Skip over empty strings.
2772         * gcc.c (display_help): Fix help string for `--help='.
2773         * doc/invoke.texi (Option Summary, Overall Options): With
2774         `--help=', classes and qualifiers can both be repeated, but
2775         only the latter can be negated.  One should not pass only
2776         negated qualifiers.  Fix markup and examples.
2777
2778         Revert
2779         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
2780         PR middle-end/37805
2781         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
2782         and -fhelp=separate.
2783
2784 2009-03-17  Jing Yu  <jingyu@google.com>
2785
2786         PR middle-end/39378
2787         * function.h (struct rtl_data): Move is_thunk from here...
2788         (struct function): ...to here.
2789         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
2790         * varasm.c (assemble_start_function): Change is_thunk from crtl to
2791         cfun.
2792         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
2793         cfun.
2794         (alpha_does_function_need_gp, alpha_start_function): Likewise.
2795         (alpha_output_function_end_prologue): Likewise.
2796         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
2797         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
2798         (rs6000_output_function_epilogue): Likewise.
2799         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2800
2801 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         PR target/39482
2804         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
2805         from different units in a single alternative.
2806         (*truncdfsf_i387): Ditto.
2807         (*truncxfsf2_mixed): Ditto.
2808         (*truncxfdf2_mixed): Ditto.
2809
2810 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
2811
2812         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
2813         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
2814
2815         PR debug/39474
2816         * tree-ssa-live.c (remove_unused_locals): Don't remove local
2817         unused non-artificial variables when not optimizing.
2818
2819         PR debug/39471
2820         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
2821         DW_TAG_imported_module even if decl is IMPORTED_DECL with
2822         NAMESPACE_DECL in its DECL_INITIAL.
2823
2824         PR middle-end/39443
2825         * optabs.c (set_user_assembler_libfunc): New function.
2826         * expr.h (set_user_assembler_libfunc): New prototype.
2827         * c-common.c: Include libfuncs.h.
2828         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
2829         for memcmp, memset, memcpy, memmove and abort.
2830         * Makefile.in (c-common.o): Depend on libfuncs.h.
2831
2832         PR debug/39412
2833         * dwarf2out.c (gen_inlined_enumeration_type_die,
2834         gen_inlined_structure_type_die, gen_inlined_union_type_die,
2835         gen_tagged_type_instantiation_die): Removed.
2836         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
2837         do nothing.
2838
2839 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
2840
2841         PR testsuite/38526
2842         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
2843         its use.
2844         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
2845         (check-parallel-%): Ditto.
2846         (check-consistency): Ditto.
2847
2848 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
2849
2850         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
2851         local variable rhs by NULL_TREE.
2852
2853 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2854
2855         PR target/39477
2856         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
2857
2858 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2859
2860         PR target/39476
2861         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2862
2863 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2864
2865         PR target/39473
2866         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
2867         for ms->sysv ABI calls only in 64bit mode.
2868
2869         * config/i386/i386.md (untyped_call): Support 32bit.
2870
2871 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
2872
2873         * doc/extend.texi: Replace x86_65 with x86_64.
2874
2875 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
2876
2877         PR tree-optimization/39455
2878         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
2879         mismatches for POINTER_TYPE_P (type).
2880         (number_of_iterations_le): Likewise.
2881
2882 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
2883
2884         * config/picochip/picochip.c: Removed profiling support.
2885         * config/picochip/picochip.md: Removed profiling instruction.
2886         * config/picochip/picochip.h: Removed profiling builtin.
2887
2888 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
2889
2890         * doc/install.texi (--with-host-libstdcxx): Document.
2891
2892 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
2893
2894         PR target/34299
2895         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
2896         generate a warning if the function name does not begin with
2897         "__vector" and the function has either the 'signal' or 'interrupt'
2898         attribute, from here to ...
2899         (avr_declare_function_name): ...here. New function.
2900         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
2901         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
2902
2903 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
2904
2905         PR bootstrap/39454
2906         * cse.c (fold_rtx): Don't modify original const_arg1 when
2907         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
2908         separate variable instead.
2909         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
2910         from out of range shift counts.
2911         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2912
2913 2008-03-13  Catherine Moore  <clm@codesourcery.com>
2914
2915         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
2916         diagnostic.h with $(DIAGNOSTIC_H).
2917
2918 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2919
2920         PR target/39431
2921         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
2922         predicate.
2923         * config/i386/sync.md (sync_compare_and_swap<mode>,
2924         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
2925         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
2926         into a register.
2927         (sync_double_compare_and_swapdi_pic,
2928         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
2929         cmpxchg8b_pic_memory_operand instead of just memory_operand.
2930
2931 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         PR target/39445
2934         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2935
2936 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2937
2938         PR target/39327
2939         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
2940         (avx_addsubv4df3): Likewise.
2941         (*avx_addsubv4sf3): Likewise.
2942         (sse3_addsubv4sf3): Likewise.
2943
2944 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
2945
2946         PR target/38824
2947         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
2948
2949 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
2950
2951         PR debug/39432
2952         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
2953         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
2954         registers for allocnos created from user-defined variables.
2955
2956 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2957
2958         PR target/39181
2959         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
2960         of non-integer mode as well.
2961
2962 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
2963
2964         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
2965         for functions for which the parameter types are unknown.
2966
2967 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR target/39137
2970         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
2971         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
2972         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
2973         * config/i386/i386.c (ix86_local_alignment): For
2974         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
2975         long long variables on the stack to avoid dynamic realignment.
2976         Allow the first argument to be a decl rather than type.
2977         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2978
2979 2009-03-11  Nick Clifton  <nickc@redhat.com>
2980
2981         PR target/5362
2982         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
2983         options.
2984         Add description to mno-lsim option.
2985         * config/mcore/mcore.h: Remove comment about deprecated m4align
2986         option.
2987         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
2988         * doc/invoke.texi: Add description of mno-lsim and
2989         mstack-increment options.
2990
2991         * config/fr30/fr30.opt: Document the -mno-lsim option.
2992         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
2993         and -mno-lsim options.
2994
2995 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2996
2997         * fold-const.c (fold_comparison): Only call fold_inf_compare
2998         if the mode supports infinities.
2999
3000 2009-03-11  Jason Merrill  <jason@redhat.com>
3001
3002         PR debug/39086
3003         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
3004         end already did.  Notice GIMPLE_CALL modifications of the result.
3005         Don't copy debug information from an ignored decl or a decl from
3006         another function.
3007
3008 2009-03-10  Richard Guenther  <rguenther@suse.de>
3009             Nathan Froyd  <froydnj@codesourcery.com>
3010
3011         PR middle-end/37850
3012         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
3013         (__divMODE3): Likewise.
3014
3015 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
3016
3017         PR tree-optimization/39394
3018         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
3019         DECL_SIZE_UNIT of variable length FIELD_DECLs.
3020
3021 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3022
3023         * recog.c (verfiy_changes): Disallow renaming of hard regs in
3024         inline asms for register asm ("") declarations.
3025
3026 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
3027
3028         * fold-const.c (fold_unary): Fix comment.
3029
3030 2009-03-07  Jan Hubicka  <jh@suse.cz>
3031
3032         PR target/39361
3033         * tree-inline.c (setup_one_parameter): Do replacement of const
3034         argument by constant in SSA form.
3035
3036 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3037
3038         PR middle-end/38028
3039         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
3040         determine alignment passed to assign_stack_local.
3041         (assign_parms_unsplit_complex): Likewise.
3042         * except.c (sjlj_build_landing_pads): Likewise.
3043
3044 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR middle-end/39360
3047         * tree-flow.h (add_referenced_var): Return bool instead of void.
3048         * tree-dfa.c (add_referenced_var): Return result of
3049         referenced_var_check_and_insert call.
3050         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
3051         of referenced_var_check_and_insert.
3052
3053         PR debug/39372
3054         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
3055         (gen_variable_die): Emit DW_AT_location on abstract static variable's
3056         DIE, don't emit it if abstract origin already has it.
3057         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
3058         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
3059
3060 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
3061
3062         * genpreds.c (needs_variable): Fix parentheses at variable name
3063         detection.
3064         (write_tm_constrs_h): Indent generated code.
3065
3066 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3067
3068         * doc/extend.texi (Function Attributes): Add documentation
3069         for isr attributes.
3070
3071 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
3072
3073         PR debug/39387
3074         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
3075         take locus from its DECL_SOURCE_LOCATION instead of input_location.
3076
3077 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3078
3079         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
3080         the loop as bad.
3081
3082 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
3083
3084         PR debug/39379
3085         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
3086         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
3087
3088 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
3089
3090         * config/i386/i386.md (R8_REG, R9_REG): New constants.
3091         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
3092         constants instead of magic numbers.
3093         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
3094         (QI_REG_P): Ditto.
3095         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
3096         (x86_64_ms_abi_int_parameter_registers): Ditto.
3097         (x86_64_int_return_registers): Ditto.
3098         (ix86_maybe_switch_abi): Ditto.
3099         (ix86_expand_call): Ditto for clobbered_registers array.
3100         (ix86_hard_regno_mode_ok): Ditto.
3101         (x86_extended_QIreg_mentioned_p): Ditto.
3102
3103 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
3104
3105         PR tree-optimization/39349
3106         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
3107
3108         * combine.c (gen_lowpart_for_combine): Use omode when generating
3109         clobber.
3110
3111 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
3112
3113         PR rtl-optimization/39235
3114         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
3115
3116 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3117
3118         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
3119
3120 2009-03-04  Richard Guenther  <rguenther@suse.de>
3121
3122         PR tree-optimization/39362
3123         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
3124         that occur in abnormal PHIs should be varying.
3125
3126 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
3127
3128         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
3129         Extend comments.
3130         (simple_iv):  Take loop as an argument instead of statement.
3131         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3132         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
3133         to simple_iv.
3134         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
3135         Ditto.
3136         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
3137         * matrix-reorg.c (analyze_transpose): Ditto.
3138         * tree-data-ref.c (dr_analyze_innermost): Ditto.
3139         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
3140         * tree-predcom.c (ref_at_iteration): Ditto.
3141         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
3142
3143 2009-03-04  Richard Guenther  <rguenther@suse.de>
3144
3145         PR tree-optimization/39358
3146         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
3147         escaped_id and callused_id.
3148         (solve_graph): Likewise.
3149
3150 2009-03-04  Richard Guenther  <rguenther@suse.de>
3151
3152         PR tree-optimization/39339
3153         * tree-sra.c (try_instantiate_multiple_fields): Make it
3154         no longer ICE on the above.
3155
3156 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
3157
3158         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
3159         that fits within Pmode.
3160
3161 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3162
3163         PR middle-end/10109
3164         * tm.texi (LIBCALL_VALUE): Update description.
3165
3166 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
3167
3168         PR middle-end/34443
3169         * doc/extend.texi (section): Update description.
3170
3171 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
3172
3173         PR middle-end/39345
3174         * tree-inline.c (remapped_type): New.
3175         (can_be_nonlocal): Call remapped_type instead of remap_type.
3176
3177 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3178
3179         PR fortran/39354
3180         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
3181         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
3182
3183 2009-03-03  Richard Guenther  <rguenther@suse.de>
3184
3185         PR middle-end/39272
3186         * tree.c (tree_nonartificial_location): New function.
3187         * tree.h (tree_nonartificial_location): Declare.
3188         * builtins.c (expand_builtin_memory_chk): Provide location
3189         of the call location for artificial function pieces.
3190         (maybe_emit_chk_warning): Likewise.
3191         (maybe_emit_sprintf_chk_warning): Likewise.
3192         (maybe_emit_free_warning): Likewise.
3193         * expr.c (expand_expr_real_1): Likewise.
3194
3195 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
3196
3197         PR tree-optimization/39343
3198         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
3199         COMPONENT_REF t has ARRAY_TYPE.
3200
3201 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
3202
3203         PR middle-end/39335
3204         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
3205         when the type precision of the induction variable should be
3206         larger than the type precision of nit.
3207         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
3208         * graphite.c (graphite_loop_normal_form): Same.
3209         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
3210
3211 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3212
3213         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
3214         (*call_1_rex64_ms_sysv): Use named constants instead of magic
3215         numbers to describe clobbered registers.
3216         (*call_value_0_rex64_ms_sysv): Ditto.
3217         * config/i386/mmx.md (mmx_emms): Ditto.
3218         (mmx_femms): Ditto.
3219
3220 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
3221
3222         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
3223         of ABI_64.
3224
3225 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3226
3227         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
3228         (spu_section_type_flags): New function.
3229
3230 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
3231
3232         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
3233         reg_class_contents of FLOAT_REGS into a temporary.
3234
3235 2009-03-02  Richard Guenther  <rguenther@suse.de>
3236             Ira Rosen  <irar@il.ibm.com>
3237
3238         PR tree-optimization/39318
3239         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
3240         information to the vectorized statement.
3241
3242 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
3243
3244         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
3245         variable.  Use defined names instead of magic constants for REX SSE
3246         registers.
3247
3248 2009-03-01  Richard Guenther  <rguenther@suse.de>
3249
3250         PR tree-optimization/39331
3251         * omp-low.c (lower_send_shared_vars): Do not receive new
3252         values for the reference of DECL_BY_REFERENCE parms or results.
3253
3254 2009-03-01  Jan Hubicka  <jh@suse.cz>
3255
3256         PR debug/39267
3257         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
3258         BLOCK_NONLOCALIZED_VAR): New macros.
3259         (tree_block): Add nonlocalized_vars.
3260         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
3261         gen_decl_die): Add origin argument.  Allow generation of die with
3262         origin at hand only.
3263         (gen_member_die, gen_type_die_with_usage, force_decl_die,
3264         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
3265         of gen_*.
3266         (gen_block_die): Fix checking for unused blocks.
3267         (process_scope_var): Break out from .... ; work with origins only.
3268         (decls_for_scope) ... here; process nonlocalized list.
3269         (dwarf2out_ignore_block): Look for nonlocalized vars.
3270         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
3271         vars.
3272         (dump_scope_block): Dump them.
3273         * tree-inline.c (remap_decls): Handle nonlocalized vars.
3274         (remap_block): Likewise.
3275         (can_be_nonlocal): New predicate.
3276         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
3277
3278 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3279
3280         * configure: Regenerate.
3281
3282 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3283
3284         * optc-gen.awk: No need to duplicate option flags twice.
3285         Reuse help texts for duplicate options which do not have any.
3286
3287         * gcc.c (display_help): Document --version.
3288
3289         * gcc.c (main): If print_help_list and verbose_flag, ensure
3290         driver output comes before subprocess output.
3291
3292         * optc-gen.awk: Assign all remaining fields to help string,
3293         space-separated, for multi-line help in *.opt.
3294
3295         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
3296         -Wno-pedantic-ms-format is for MinGW targets only.
3297
3298         * doc/options.texi (Option file format): Fix bad indentation,
3299         restoring dropped sentence.
3300
3301 2009-02-28  Jan Hubicka  <jh@suse.cz>
3302
3303         * tree-inline.c (tree_function_versioning): Output debug info.
3304
3305 2009-02-28  Jan Hubicka  <jh@suse.cz>
3306
3307         PR debug/39267
3308         * tree-inline.c (setup_one_parameter): Do not copy propagate
3309         arguments when not optimizing.
3310
3311 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
3312
3313         PR target/39327
3314         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
3315         (avx_addsubv4df3): Likewise.
3316         (*avx_addsubv4sf3): Likewise.
3317         (sse3_addsubv4sf3): Likewise.
3318         (*avx_addsubv2df3): Likewise.
3319         (sse3_addsubv2df3): Likewise.
3320         (avx_unpckhps256): Correct item selectors.
3321         (avx_unpcklps256): Likewise.
3322         (avx_unpckhpd256): Likewise.
3323         (avx_unpcklpd256): Likewise.
3324
3325 2009-02-28  Jan Hubicka  <jh@suse.cz>
3326
3327         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
3328         static vars.
3329         (copy_arguments_for_versioning): If var is declared don't declare it.
3330         (tree_function_versioning): First setup substitutions and then copy
3331         args.
3332
3333 2009-02-27  Jan Hubicka  <jh@suse.cz>
3334
3335         PR debug/39267
3336         * cgraph.h (varpool_output_debug_info): Remove.
3337         * cgraphunit.c (varpool_output_debug_info): Remove.
3338         * dwarf2out.c (deferred_locations_struct): New struct
3339         (deferred_locations): New type.
3340         (deferred_locations_list): New static var.
3341         (deffer_location): New function.
3342         (gen_variable_die): Use it.
3343         (decls_for_scope): Output info on local static vars.
3344         (dwarf2out_finish): Process deferred locations.
3345         * varpool.c (varpool_output_debug_info): Remove.
3346
3347 2009-02-27  Jan Hubicka  <jh@suse.cz>
3348
3349         PR debug/39267
3350         * tree.h (TREE_PROTECTED): Fix comment.
3351         (BLOCK_HANDLER_BLOCK): Remove.
3352         (struct tree_block): Remove handler_block add body_block.
3353         (inlined_function_outer_scope_p): New.
3354         (is_body_block): Remove.
3355         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
3356         * dwarf2out.c (is_inlined_entry_point): Remove.
3357         (add_high_low_attributes): Use inlined_function_outer_scope_p.
3358         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
3359         code.
3360         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
3361         * gimplify.c (gimplify_expr): Gimplify body blocks.
3362         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
3363         block with multiple subblocks.
3364         (dump_scope_block): Prettier output; dump more flags and info.
3365         (dump_scope_blocks): New.
3366         (remove_unused_locals): Use dump_scope_blocks.
3367         * tree-flow.h (dump_scope_blocks): Declare.
3368         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
3369         * stmt.c (is_body_block): Remove.
3370         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
3371         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
3372
3373 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
3374
3375         PR middle-end/39308
3376         * graphite.c (graphite_loop_normal_form): Do not call 
3377         number_of_iterations_exit from a gcc_assert.
3378
3379 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3380
3381         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
3382         jumps if COND is NULL.
3383         (find_cond_jump): New function.
3384         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
3385         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
3386
3387 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
3388
3389         * config/alpha/alpha.h (alpha_expand_mov): Return false if
3390         force_const_mem returns NULL_RTX.
3391
3392 2009-02-26  Jan Hubicka  <jh@suse.cz>
33