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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-04-17  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/39746
4         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
5         special-casing for builtins and static variable use/def.
6         (call_may_clobber_ref_p_1): Likewise.
7
8 2009-04-16  Ian Lance Taylor  <iant@google.com>
9
10         * df.h: Include "timevar.h".
11         (struct df_problem): Change tv_id field to timevar_id_t.
12         * tree-pass.h: Include "timevar.h".
13         (struct opt_pass): Change tv_id field to timevar_id_t.
14         * timevar.h (timevar_id_t): Define TV_NONE.
15         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
16         TV_NONE rather than tv_id != 0.
17         (execute_one_pass): Likewise.
18         * Makefile.in (DF_H): Add $(TIMEVAR_H).
19         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
20         dependencies to $(TREE_PASS_H).
21         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
22         to TV_NONE.
23         (pass_branch_target_load_optimize2): Likewise.
24         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
25         (pass_outof_cfg_layout_mode): Likewise.
26         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
27         (pass_rebuild_cgraph_edges): Likewise.
28         (pass_remove_cgraph_callee_edges): Likewise.
29         * df-core.c (pass_df_initialize_opt): Likewise.
30         (pass_df_initialize_no_opt): Likewise.
31         (pass_df_finish): Likewise.
32         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
33         * except.c (pass_set_nothrow_function_flags): Likewise.
34         (pass_convert_to_eh_region_ranges): Likewise.
35         * final.c (pass_compute_alignments): Likewise.
36         * function.c (pass_instantiate_virtual_regs): Likewise.
37         (pass_init_function): Likewise.
38         (pass_leaf_regs): Likewise.
39         (pass_match_asm_constraints): Likewise.
40         * gimple-low.c (pass_lower_cf): Likewise.
41         (pass_mark_used_blocks): Likewise.
42         * init-regs.c (pass_initialize_regs): Likewise.
43         * integrate.c (pass_initial_value_sets): Likewise.
44         * ira.c (pass_ira): Likewise.
45         * jump.c (pass_cleanup_barriers): Likewise.
46         * omp-low.c (pass_expand_omp): Likewise.
47         (pass_lower_omp): Likewise.
48         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
49         * recog.c (pass_split_all_insns): Likewise.
50         (pass_split_after_reload): Likewise.
51         (pass_split_before_regstack): Likewise.
52         (pass_split_before_sched2): Likewise.
53         (pass_split_for_shorten_branches): Likewise.
54         * reginfo.c (pass_reginfo_init): Likewise.
55         (pass_subregs_of_mode_init): Likewise.
56         (pass_subregs_of_mode_finish): Likewise.
57         * passes.c (pass_postreload): Likewise.
58         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
59         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
60         (pass_warn_function_return): Likewise.
61         (pass_warn_function_noreturn): Likewise.
62         * tree-complex.c (pass_lower_complex): Likewise.
63         (pass_lower_complex_O0): Likewise.
64         * tree-if-conv.c (pass_if_conversion): Likewise.
65         * tree-into-ssa.c (pass_build_ssa): Likewise.
66         * tree-mudflap.c (pass_mudflap_1): Likewise.
67         (pass_mudflap_2): Likewise.
68         * tree-nomudflap.c (pass_mudflap_1): Likewise.
69         (pass_mudflap_2): Likewise.
70         * tree-nrv.c (pass_return_slot): Likewise.
71         * tree-object-size.c (pass_object_sizes): Likewise.
72         * tree-optimize.c (pass_all_optimizations): Likewise.
73         (pass_early_local_passes): Likewise.
74         (pass_all_early_optimizations): Likewise.
75         (pass_cleanup_cfg): Likewise.
76         (pass_cleanup_cfg_post_optimizing): Likewise.
77         (pass_free_datastructures): Likewise.
78         (pass_free_cfg_annotations): Likewise.
79         (pass_fixup_cfg): Likewise.
80         (pass_init_datastructures): Likewise.
81         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
82         (pass_late_warn_uninitialized): Likewise.
83         (pass_update_address_taken): Likewise.
84         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
85         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
86         (pass_cse_sincos): Likewise.
87         (pass_convert_to_rsqrt): Likewise.
88         * tree-ssa-structalias.c (pass_build_alias): Likewise.
89         * tree-stdarg.c (pass_stdarg): Likewise.
90         * tree-tailcall.c (pass_tail_recursion): Likewise.
91         (pass_tail_calls): Likewise.
92         * tree-vect-generic.c (pass_lower_vector): Likewise.
93         (pass_lower_vector_ssa): Likewise.
94         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
95
96 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
97
98         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
99         XLR entry.
100         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
101         Handle -march=xlr.
102         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
103         logical and signext.
104
105 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
106
107         PR target/39767
108         * config/sh/predicates.md (arith_operand): Check if the operand
109         of TRUNCATE is a REG.
110
111 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
112
113         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
114         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
115
116 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
117
118         * tree-iterator.c (tsi_split_statement_list_after,
119         tsi_split_statement_list_before): Remove.
120         * tree-iterator.h: Remove the prototypes for
121         tsi_split_statement_list_after and
122         tsi_split_statement_list_before.
123
124 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
125
126         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
127         * tree-ssa-propagate.h: Remove the prototype for
128         stmt_makes_single_load.
129
130 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
131
132         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
133         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
134
135 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
136
137         * tree-iterator.c (EXPR_LAST_BODY): Remove.
138
139 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
140
141         * except.c (eh_region_outer_p): Remove.
142         * except.h: Remove the prototype for eh_region_outer_p.
143
144 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
145
146         * function.c (current_function_assembler_name): Remove.
147         * function.h: Remove the prototype for
148         current_function_assembler_name.
149
150 2009-04-16  Ian Lance Taylor  <iant@google.com>
151
152         * rtlanal.c (alloc_reg_note): New function, broken out of
153         add_reg_note.
154         (add_reg_note): Call alloc_reg_note.
155         * rtl.h (alloc_reg_note): Declare.
156         * combine.c (try_combine): Use alloc_reg_note.
157         (recog_for_combine, move_deaths): Likewise.
158         (distribute_notes): Use alloc_reg_note and add_reg_note.
159         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
160         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
161         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
162
163 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
164
165         PR rtl-optimization/39762
166         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
167         ira_may_move_out_cost): Add comments about way of their usage.
168         (ira_get_register_move_cost, ira_get_may_move_cost): New
169         functions.
170         
171         * ira-conflicts.c (process_regs_for_copy): Use function
172         ira_get_register_move_cost instead of global
173         ira_register_move_cost.
174
175         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
176         color_pass, move_spill_restore, update_curr_costs): Ditto.
177
178         * ira-lives.c (process_single_reg_class_operands): Ditto.
179
180         * ira-emit.c (emit_move_list): Ditto.
181
182         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
183         (record_reg_classes): Ditto.  Use functions
184         ira_get_register_move_cost and ira_get_may_move_cost instead of
185         global vars ira_register_move_cost, ira_may_move_out_cost and
186         ira_may_move_in_cost.
187         (record_address_regs): Don't call ira_init_register_move_cost.
188         Use function ira_get_may_move_cost instead of global
189         ira_may_move_in_cost.
190         (process_bb_node_for_hard_reg_moves): Use function
191         ira_get_register_move_cost instead of global
192         ira_register_move_cost.
193         (ira_costs): Don't call ira_init_register_move_cost.
194         
195 2009-04-16  Richard Guenther  <rguenther@suse.de>
196
197         * tree-cfg.c (verify_gimple_assign_binary):
198         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
199         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
200         (create_general_new_stmt): Note that this function is broken.
201
202 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
203
204         * common.opt (fhelp): Add Var(help_flag).
205         * gcc-plugin.h (plugin_info): Add help.
206         * plugin.c (plugin_name_args): Add help.
207         (register_plugin_info): Set plugin->help.
208         (print_help_one_plugin): New.
209         (print_plugins_help): New.
210         * plugin.h (print_plugins_help): New.
211         * toplev.c (toplev_main): Call print_plugins_help if needed.
212
213 2009-04-16  Richard Guenther  <rguenther@suse.de>
214
215         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
216         (gimple_ior_addresses_taken_1): New function.
217         (gimple_ior_addresses_taken): Likewise.
218         * gimple.h (struct gimple_statement_with_ops_base): Remove
219         addresses_taken member.
220         (gimple_ior_addresses_taken): Declare.
221         (gimple_addresses_taken, gimple_addresses_taken_ptr,
222         gimple_set_addresses_taken): Remove.
223         * ipa-reference.c (mark_address): New function.
224         (scan_stmt_for_static_refs): Use it for marking addresses taken.
225         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
226         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
227         (gimple_add_to_addresses_taken): Remove.
228         (get_tmr_operands): Call mark_address_taken.
229         (get_asm_expr_operands): Likewise.
230         (get_expr_operands): Likewise.
231         (build_ssa_operands): Do not clear the addresses_taken bitmap.
232         (free_stmt_operands): Do not free it.
233         * tree-ssa.c (delete_tree_ssa): Likewise.
234         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
235
236 2009-04-16  Richard Guenther  <rguenther@suse.de>
237
238         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
239         (walk_stmt_load_store_ops): Likewise.
240         * gimple.c (get_base_loadstore): New function.
241         (walk_stmt_load_store_addr_ops): Likewise.
242         (walk_stmt_load_store_ops): Likewise.
243         * ipa-pure-const.c (check_op): Simplify.
244         (check_load, check_store): New functions.
245         (check_stmt): Use walk_stmt_load_store_ops.
246         * ipa-reference.c (mark_load): Adjust signature.
247         (mark_store): Likewise.
248         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
249
250 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
251
252         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
253         (plugin_info): New.
254         * opts.c (common_handle_option): Don't call print_version.
255         * plugin.c (plugin_name_args): Add version.
256         (register_plugin_info): New.
257         (register_callback): Handle PLUGIN_INFO.
258         (try_init_one_plugin): New.
259         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
260         if failed to init.
261         (finalize_one_plugin): New.
262         (finalize_plugins): New.
263         (print_one_plugin): New.
264         (print_plugins_versions): New.
265         * plugin.h (print_plugins_versions): New.
266         (finalize_plugins): New.
267         * toplev.c (compile_file): Don't call initialize_plugins.
268         (print_version): Call print_plugins_versions.
269         (toplev_main): Call initialize_plugins. Print version if needed.
270         Call finalize_plugins.
271
272 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
273
274         * common.opt (fversion): New.
275         * gcc.c (print_version): New.
276         (process_command): Don't print the version. Just set print_version.
277         (main): Print version. Call subprocesses if print_version and
278         verbose_flag are set.
279         * opts.c (common_handle_option): Handle OPT_fversion.
280
281 2009-04-16  Richard Guenther  <rguenther@suse.de>
282         Ira Rosen  <irar@il.ibm.com>
283
284         PR tree-optimization/39698
285         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
286         type of the reduction variable.  Only generate the def if
287         it is needed.
288
289         * omp-low.c (expand_omp_for_generic): When converting to a pointer
290         make sure to first convert to an integer of the same precision.
291         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
292         the type of the evolution correctly in computing the new
293         induction variable base.
294
295 2009-04-16  Richard Guenther  <rguenther@suse.de>
296
297         PR middle-end/39625
298         * tree-cfg.c (make_blocks): Split statements with to-be
299         abnormal SSA names on the lhs.
300
301 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
302
303         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
304         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
305         * c-typeck.c (really_start_incremental_init): Likewise.
306         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
307         (TARGET_INITIALIZER): Remove it.
308         * target.h (struct target): Remove vector_opaque_p.
309         * tree.c (build_opaque_vector_type): New.
310         * tree.h (TYPE_VECTOR_OPAQUE): New.
311         (build_opaque_vector_type): Declare.
312         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
313         * config/rs6000/rs6000.c (build_opaque_vector_type,
314         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
315         (rs6000_init_builtins): Use build_opaque_vector_type for
316         opaque_V4SI_type_node.
317
318 2009-04-15  Catherine Moore  <clm@codesourcery.com>
319
320         * debug.h (set_name):  Declare.
321         * dwarf2out.c (dwarf2out_set_name): Declare.
322         (dwarf2_debug_hooks): Add set_name.
323         (find_AT_string): New.
324         (add_AT_string): Call find_AT_string.
325         (dwarf2out_set_name): New.
326         * cp/decl.c (grokdeclarator): Call set_name.
327         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
328         * debug.c (do_nothing_debug_hooks):  Likewise.
329         * dbxout.c (dbx_debug_hooks): Likewise.
330         * sdbout.c (sdb_debug_hooks): Likewise.
331
332 2009-04-15  Michael Eager <eager@eagercon.com>
333
334         * config/rs6000/rs6000.c: rs6000_function_value: set function return
335         reg for single-precision FPU
336         * config/rs6000/rs6000.md: (movsi_internal1): only for !TARGET_SINGLE_FPU
337         (movsi_internal1_single): New: add pattern to move SI values to/from
338         single-precision FP regs.
339
340 2009-04-15  Richard Guenther  <rguenther@suse.de>
341
342         * omp-low.c (lower_rec_input_clauses): Build correct address
343         expressions.
344         (expand_omp_for_generic): Fix multiplication type.
345         * tree-loop-distribution.c (build_size_arg): Build a
346         size_t argument.
347         (generate_memset_zero): Fix types.
348         * tree-profile.c (prepare_instrumented_value): Correctly
349         widen a pointer.
350
351 2009-04-15  Ian Lance Taylor  <iant@google.com>
352
353         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
354         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
355         for -Wall and for -Wc++-compat.
356         (c_common_post_options): For C++, set warn_enum_compare if not
357         already set.
358         * c-tree.h (struct c_expr): Add field original_type.
359         (build_external_ref): Update declaration.
360         * c-parser.c (c_parser_braced_init): Set original_type.
361         (c_parser_initelt): Likewise.
362         (c_parser_expr_no_commas): Likewise.
363         (c_parser_conditional_expression): Likewise.
364         (c_parser_cast_expression): Likewise.
365         (c_parser_unary_expression): Likewise.  Pull setting of
366         original_code to top of function.
367         (c_parser_sizeof_expression): Set original_type.
368         (c_parser_alignof_expression): Likewise.
369         (c_parser_postfix_expression): Likewise.  Pull setting of
370         original_code to top of function.
371         (c_parser_postfix_expression_after_paren_type): Set
372         original_type.
373         (c_parser_postfix_expression_after_primary): Likewise.
374         (c_parser_expression): Likewise.
375         * c-typeck.c (build_external_ref): Add type parameter.  Change all
376         callers.
377         (c_expr_sizeof_expr): Set original_type field.
378         (parser_build_unary_op): Likewise.
379         (parser_build_binary_op): Likewise.  Optionally warn about
380         comparisons of enums of different types.
381         (digest_init): Set original_type field.
382         (really_start_incremental_init): Likewise.
383         (push_init_level, pop_init_level): Likewise.
384         * doc/invoke.texi (Warning Options): -Wenum-compare now
385         supported in C.
386
387 2009-04-15  Richard Guenther  <rguenther@suse.de>
388
389         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
390         out a necessary conversion.
391         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
392         names we didn't value number.
393         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
394
395 2009-04-15  Richard Guenther  <rguenther@suse.de>
396
397         PR tree-optimization/39764
398         * tree-ssa-ccp.c (get_value): Canonicalize value with
399         canonicalize_float_value.
400
401 2009-04-15  Jan Hubicka  <jh@suse.cz>
402
403         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
404         Wrong version of patch.
405
406 2009-04-15  Jan Hubicka  <jh@suse.cz>
407
408         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
409
410 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
411
412         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
413         our distinct integral and vector types.
414
415 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
416
417         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
418         * init.c (build_vtbl_address): Remove call to assemble_external.
419
420 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
421
422         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
423         output for other floating point modes.
424
425 2009-04-14  Diego Novillo  <dnovillo@google.com>
426
427         * diagnostic.c (diagnostic_report_diagnostic): Do not
428         warn about loaded plugins for DK_ERROR and DK_WARNING.
429         * c-decl.c (declspecs_add_type): Move call to
430         invoke_plugin_callbacks ...
431         * c-parser.c (c_parser_declspecs): ... here.
432         * plugin.c (dump_active_plugins): Tidy output.
433
434 2009-04-14  Diego Novillo  <dnovillo@google.com>
435             Le-Chun Wu  <lcwu@google.com>
436
437         * configure.ac: Add --enable-plugin support.
438         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
439         * Makefile.in (PLUGIN_H): Define.
440         Export ENABLE_PLUGIN and GMPINC to site.exp.
441         Add PLUGINLIBS to link command.
442         Add/modify dependencies for plugin.o and files including plugin.h.
443         (plugin.o): New.
444         * config.in: Regenerate.
445         
446         * opts.c (common_handle_option): Handle OPT_fplugin_ and
447         OPT_fplugin_arg_.
448
449 2009-04-14  Le-Chun Wu  <lcwu@google.com>
450
451         * tree-pass.h (register_one_dump_file): Add a prototype for
452         register_one_dump_file.
453         * toplev.c (compile_file): Call initialize_plugins.
454         (do_compile): Call invoke_plugin_callbacks.
455         (toplev_main): Call invoke_plugin_callbacks.
456         * common.opt: Add -fplugin= and -fplugin-arg-.
457         * gcc-plugin.h: New public header file for plugins to include.
458         * plugin.c: New source file.
459         * plugin.h: New internal header file.
460         * passes.c (register_one_dump_file): Make it external.
461         
462         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
463
464 2009-04-14  Diego Novillo  <dnovillo@google.com>
465
466         * doc/plugins.texi: New.
467         * doc/gccint.texi: Add reference to Plugins chapter.
468         * doc/invoke.texi: Document -fplugin and -fplugin-arg
469         * diagnostic.c (diagnostic_report_diagnostic): Warn about
470         loaded plugins, if any.
471         * timevar.def (TV_PLUGIN_INIT): Define.
472         (TV_PLUGIN_RUN): Define.
473         * plugin.c: Include timevar.h
474         (plugins_active_p): New.
475         (dump_active_plugins): New.
476         (debug_active_plugins): New.
477
478 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
479
480         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
481         library paths.
482         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
483
484 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
485
486         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
487         the same as a minus without a shift.
488
489 2009-04-14  Nick Clifton  <nickc@redhat.com>
490
491         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
492         comparisons with small integers will always produce a short
493         branch.
494
495 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
496
497         Merge:
498
499         2008-12-19  Diego Novillo  <dnovillo@google.com>
500
501                 * cgraph.c (dump_cgraph_node): Show memory address of NODE.
502
503 2000-04-14  Richard Guenther  <rguenther@suse.de>
504
505         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
506         verification.
507         (verify_gimple_assign_binary): Likewise.  Handle shifts and
508         rotates correctly.
509         (verify_gimple_phi): Print the mismatched argument position.
510         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
511         Fix types.
512         (vect_update_init_of_dr): Likewise.
513         * matrix-reorg.c (transform_access_sites): Do what the
514         comment suggests.
515         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
516
517 2009-04-13  Michael Eager <eager@eagercon.com>
518
519         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
520         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
521         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
522         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, 
523         remove duplicate config
524
525 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
526
527         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
528         file_name:line_number type locator of the call site.
529         
530 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
531
532         * genautomata.c: Put blank after comma.
533         (automaton_decls): New.
534         (struct unit_usage): Add comments to member next.
535         (store_alt_unit_usage): Keep the list ordered.
536         (unit_present_on_list_p, equal_alternatives_p): New.
537         (check_regexp_units_distribution): Check units distribution
538         correctness correctly.
539         (main): Don't write automata if error is found.  Return correct
540         exit code.
541         
542         * config/m68k/cf.md (cfv4_ds): Remove.
543         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
544         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
545
546         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
547         power4-load-ext, power4-store, power4-store-update,
548         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
549         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
550         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
551         power4-sqrt, power4-isync): Modify reservation to make correct
552         unit distribution to automata.
553
554         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
555         power5-store-update, power5-two, power5-three, power5-lmul,
556         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
557         
558 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
559
560         * except.c (pass_set_nothrow_function_flags): Set name and add
561         TODO_dump_func.
562         (set_nothrow_function_flags): Mention in the dump file when
563         changing a function to nothrow.
564
565 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
566
567         PR/39066
568         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
569         instead of unsigned long.
570
571 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
572
573         * config/arm/arm.c (return_used_this_function): Remove.
574         (arm_output_function_prologue): Remove use of
575         return_used_this_function.
576         (output_return_instruction): Replace use of
577         return_used_this_function
578         by cfun->machine->return_used_this_function.
579         (arm_output_epilogue): Likewise.
580         (arm_output_function_epilogue): Likewise.
581         (thumb_unexpanded_epilogue): Likewise.
582         * config/arm/arm.h (struct machine_function):
583         New member return_used_this_function.
584
585 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
586
587         * doc/install.texi: Correct description of default directory for
588         --with-gxx-include-dir.
589
590 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
591
592         * fold-const.c (build_range_check): Properly deal with enumeral and
593         boolean base types.
594
595 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
596
597         * doc/invoke.texi (max_gcse_passes): Remove documentation.
598         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
599         * params.h (MAX_GCSE_PASSES): Remove.
600         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
601         in sequence.  Remove ability to run multiple passes.
602         (bypass_jumps): Report run as third CPROP pass.
603
604 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
605
606         PR middle-end/39651
607         * except.c (can_throw_external): Look at each insn in a SEQUENCE
608         when deciding whether the whole SEQUENCE can throw.
609
610 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
611
612         PR target/39740
613         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
614         offseted label references.
615
616 2009-04-11  Jan Hubicka  <jh@suse.cz>
617
618         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
619
620 2009-04-11  Richard Guenther  <rguenther@suse.de>
621
622         PR middle-end/39732
623         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
624         return variables as TREE_ADDRESSABLE.
625
626 2009-04-11  Richard Guenther  <rguenther@suse.de>
627
628         PR tree-optimization/39713
629         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
630         reference trees have SSA_NAME operands.
631
632 2009-04-11  Richard Guenther  <rguenther@suse.de>
633
634         PR c/39712
635         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
636         address expressions.
637
638 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
639
640         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
641         match changes in Cygwin 1.7
642         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
643         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
644
645 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
646
647         PR tree-optimization/39701
648         * doc/invoke.texi (Optimization Options): Document change in
649         meaning and initialization of -fdelete-null-pointer-checks.
650
651 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
652
653         PR middle-end/39701
654         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
655
656         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
657         here.
658
659         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
660
661 2009-04-10  Chao-ying Fu  <fu@mips.com>
662
663         * doc/tm.texi (Instruction Output): Document
664         TARGET_ASM_FINAL_POSTSCAN_INSN.
665         * target.h (final_postscan_insn): New field in asm_out.
666         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
667         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
668         * final.c (final_scan_insn): Call
669         targetm.asm_out.final_postscan_insn after outputting
670         an asm macro and a normal instruction.
671
672         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
673         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
674         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
675         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
676         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
677
678 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
679
680         PR middle-end/39701
681         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
682         variables as non-NULL even with -fdelete-null-pointer-checks.
683
684 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
685
686         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
687
688 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
689
690         PR target/39678
691         * config/i386/i386.c (classify_argument): Handle SCmode with
692         (bit_offset % 64) != 0.
693
694 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
695
696         * doc/invoke.texi (Optimize Options): Add cross-reference to
697         -Q --help=optimizers examples.
698
699 2009-04-10  Ben Elliston  <bje@au.ibm.com>
700
701         PR target/36800
702         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
703         regalign for the reg == fpr and TDmode case.
704
705 2009-04-09  David Ayers  <ayers@fsfe.org>
706
707         PR objc/29200
708         * objc/objc-act.c (warn_with_method): Remove helper function.
709         (check_duplicates): Call warning and inform directly.
710         (really_start_method): Likewise.
711
712 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
713
714         * expmed.c (expand_divmod): Always use a comparison for a division
715         by a large unsigned integer.
716
717         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
718         for things others than variables or functions as nonzero.
719
720 2009-04-09  Nick Clifton  <nickc@redhat.com>
721
722         * unwind-compat.c: Change copyright header to refer to version
723         3 of the GNU General Public License with version 3.1 of the
724         GCC Runtime Library Exception and to point readers at the
725         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
726         * config/alpha/crtfastmath.c: Likewise.
727         * config/alpha/linux-unwind.h: Likewise.
728         * config/alpha/qrnnd.asm: Likewise.
729         * config/alpha/vms-crt0-64.c: Likewise.
730         * config/alpha/vms-crt0.c: Likewise.
731         * config/alpha/vms-dwarf2.asm: Likewise.
732         * config/alpha/vms-dwarf2eh.asm: Likewise.
733         * config/alpha/vms-psxcrt0-64.c: Likewise.
734         * config/alpha/vms-psxcrt0.c: Likewise.
735         * config/alpha/vms_tramp.asm: Likewise.
736         * config/arc/initfini.c: Likewise.
737         * config/arc/lib1funcs.asm: Likewise.
738         * config/arm/bpabi-v6m.S: Likewise.
739         * config/arm/bpabi.S: Likewise.
740         * config/arm/bpabi.c: Likewise.
741         * config/arm/crti.asm: Likewise.
742         * config/arm/crtn.asm: Likewise.
743         * config/arm/ieee754-df.S: Likewise.
744         * config/arm/ieee754-sf.S: Likewise.
745         * config/arm/lib1funcs.asm: Likewise.
746         * config/arm/libunwind.S: Likewise.
747         * config/arm/linux-atomic.c: Likewise.
748         * config/arm/mmintrin.h: Likewise.
749         * config/arm/pr-support.c: Likewise.
750         * config/arm/unaligned-funcs.c: Likewise.
751         * config/arm/unwind-arm.c: Likewise.
752         * config/arm/unwind-arm.h: Likewise.
753         * config/avr/libgcc.S: Likewise.
754         * config/bfin/crti.s: Likewise.
755         * config/bfin/crtlibid.s: Likewise.
756         * config/bfin/crtn.s: Likewise.
757         * config/bfin/lib1funcs.asm: Likewise.
758         * config/bfin/linux-unwind.h: Likewise.
759         * config/cris/arit.c: Likewise.
760         * config/cris/cris_abi_symbol.c: Likewise.
761         * config/darwin-64.c: Likewise.
762         * config/darwin-crt2.c: Likewise.
763         * config/darwin-crt3.c: Likewise.
764         * config/darwin.h: Likewise.
765         * config/dbxelf.h: Likewise.
766         * config/dfp-bit.c: Likewise.
767         * config/dfp-bit.h: Likewise.
768         * config/elfos.h: Likewise.
769         * config/fixed-bit.c: Likewise.
770         * config/fixed-bit.h: Likewise.
771         * config/fp-bit.c: Likewise.
772         * config/fp-bit.h: Likewise.
773         * config/fr30/crti.asm: Likewise.
774         * config/fr30/crtn.asm: Likewise.
775         * config/fr30/lib1funcs.asm: Likewise.
776         * config/freebsd-spec.h: Likewise.
777         * config/frv/cmovd.c: Likewise.
778         * config/frv/cmovh.c: Likewise.
779         * config/frv/cmovw.c: Likewise.
780         * config/frv/frvbegin.c: Likewise.
781         * config/frv/frvend.c: Likewise.
782         * config/frv/lib1funcs.asm: Likewise.
783         * config/glibc-stdint.h: Likewise.
784         * config/h8300/clzhi2.c: Likewise.
785         * config/h8300/crti.asm: Likewise.
786         * config/h8300/crtn.asm: Likewise.
787         * config/h8300/ctzhi2.c: Likewise.
788         * config/h8300/fixunssfsi.c: Likewise.
789         * config/h8300/lib1funcs.asm: Likewise.
790         * config/h8300/parityhi2.c: Likewise.
791         * config/h8300/popcounthi2.c: Likewise.
792         * config/i386/ammintrin.h: Likewise.
793         * config/i386/att.h: Likewise.
794         * config/i386/avxintrin.h: Likewise.
795         * config/i386/biarch64.h: Likewise.
796         * config/i386/bmmintrin.h: Likewise.
797         * config/i386/cpuid.h: Likewise.
798         * config/i386/cross-stdarg.h: Likewise.
799         * config/i386/crtfastmath.c: Likewise.
800         * config/i386/crtprec.c: Likewise.
801         * config/i386/cygming-crtbegin.c: Likewise.
802         * config/i386/cygming-crtend.c: Likewise.
803         * config/i386/cygwin.asm: Likewise.
804         * config/i386/emmintrin.h: Likewise.
805         * config/i386/gmm_malloc.h: Likewise.
806         * config/i386/gthr-win32.c: Likewise.
807         * config/i386/i386.h: Likewise.
808         * config/i386/immintrin.h: Likewise.
809         * config/i386/linux-unwind.h: Likewise.
810         * config/i386/linux64.h: Likewise.
811         * config/i386/mm3dnow.h: Likewise.
812         * config/i386/mmintrin-common.h: Likewise.
813         * config/i386/mmintrin.h: Likewise.
814         * config/i386/nmmintrin.h: Likewise.
815         * config/i386/pmm_malloc.h: Likewise.
816         * config/i386/pmmintrin.h: Likewise.
817         * config/i386/smmintrin.h: Likewise.
818         * config/i386/sol2-c1.asm: Likewise.
819         * config/i386/sol2-ci.asm: Likewise.
820         * config/i386/sol2-cn.asm: Likewise.
821         * config/i386/sol2-gc1.asm: Likewise.
822         * config/i386/tmmintrin.h: Likewise.
823         * config/i386/unix.h: Likewise.
824         * config/i386/w32-unwind.h: Likewise.
825         * config/i386/wmmintrin.h: Likewise.
826         * config/i386/x86-64.h: Likewise.
827         * config/i386/x86intrin.h: Likewise.
828         * config/i386/xmmintrin.h: Likewise.
829         * config/ia64/crtbegin.asm: Likewise.
830         * config/ia64/crtend.asm: Likewise.
831         * config/ia64/crtfastmath.c: Likewise.
832         * config/ia64/crti.asm: Likewise.
833         * config/ia64/crtn.asm: Likewise.
834         * config/ia64/fde-glibc.c: Likewise.
835         * config/ia64/lib1funcs.asm: Likewise.
836         * config/ia64/linux-unwind.h: Likewise.
837         * config/ia64/quadlib.c: Likewise.
838         * config/ia64/unwind-ia64.c: Likewise.
839         * config/linux.h: Likewise.
840         * config/m32c/m32c-lib1.S: Likewise.
841         * config/m32c/m32c-lib2-trapv.c: Likewise.
842         * config/m32c/m32c-lib2.c: Likewise.
843         * config/m32r/initfini.c: Likewise.
844         * config/m68hc11/larith.asm: Likewise.
845         * config/m68hc11/m68hc11-crt0.S: Likewise.
846         * config/m68k/cf.md: Likewise.
847         * config/m68k/crti.s: Likewise.
848         * config/m68k/crtn.s: Likewise.
849         * config/m68k/lb1sf68.asm: Likewise.
850         * config/m68k/linux-unwind.h: Likewise.
851         * config/mcore/crti.asm: Likewise.
852         * config/mcore/crtn.asm: Likewise.
853         * config/mcore/lib1.asm: Likewise.
854         * config/mips/linux-unwind.h: Likewise.
855         * config/mips/loongson.h: Likewise.
856         * config/mips/mips16.S: Likewise.
857         * config/mmix/crti.asm: Likewise.
858         * config/mmix/crtn.asm: Likewise.
859         * config/pa/fptr.c: Likewise.
860         * config/pa/hpux-unwind.h: Likewise.
861         * config/pa/lib2funcs.asm: Likewise.
862         * config/pa/linux-atomic.c: Likewise.
863         * config/pa/linux-unwind.h: Likewise.
864         * config/pa/milli64.S: Likewise.
865         * config/pa/quadlib.c: Likewise.
866         * config/pa/stublib.c: Likewise.
867         * config/picochip/libgccExtras/adddi3.asm: Likewise.
868         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
869         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
870         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
871         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
872         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
873         * config/picochip/libgccExtras/divmod15.asm: Likewise.
874         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
875         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
876         * config/picochip/libgccExtras/longjmp.asm: Likewise.
877         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
878         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
879         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
880         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
881         * config/picochip/libgccExtras/setjmp.asm: Likewise.
882         * config/picochip/libgccExtras/subdi3.asm: Likewise.
883         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
884         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
885         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
886         * config/rs6000/750cl.h: Likewise.
887         * config/rs6000/altivec.h: Likewise.
888         * config/rs6000/biarch64.h: Likewise.
889         * config/rs6000/crtresfpr.asm: Likewise.
890         * config/rs6000/crtresgpr.asm: Likewise.
891         * config/rs6000/crtresxfpr.asm: Likewise.
892         * config/rs6000/crtresxgpr.asm: Likewise.
893         * config/rs6000/crtsavfpr.asm: Likewise.
894         * config/rs6000/crtsavgpr.asm: Likewise.
895         * config/rs6000/darwin-asm.h: Likewise.
896         * config/rs6000/darwin-fallback.c: Likewise.
897         * config/rs6000/darwin-fpsave.asm: Likewise.
898         * config/rs6000/darwin-ldouble.c: Likewise.
899         * config/rs6000/darwin-tramp.asm: Likewise.
900         * config/rs6000/darwin-unwind.h: Likewise.
901         * config/rs6000/darwin-vecsave.asm: Likewise.
902         * config/rs6000/darwin-world.asm: Likewise.
903         * config/rs6000/e500crtres32gpr.asm: Likewise.
904         * config/rs6000/e500crtres64gpr.asm: Likewise.
905         * config/rs6000/e500crtres64gprctr.asm: Likewise.
906         * config/rs6000/e500crtrest32gpr.asm: Likewise.
907         * config/rs6000/e500crtrest64gpr.asm: Likewise.
908         * config/rs6000/e500crtresx32gpr.asm: Likewise.
909         * config/rs6000/e500crtresx64gpr.asm: Likewise.
910         * config/rs6000/e500crtsav32gpr.asm: Likewise.
911         * config/rs6000/e500crtsav64gpr.asm: Likewise.
912         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
913         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
914         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
915         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
916         * config/rs6000/eabi-ci.asm: Likewise.
917         * config/rs6000/eabi-cn.asm: Likewise.
918         * config/rs6000/eabi.asm: Likewise.
919         * config/rs6000/linux-unwind.h: Likewise.
920         * config/rs6000/linux64.h: Likewise.
921         * config/rs6000/paired.h: Likewise.
922         * config/rs6000/paired.md: Likewise.
923         * config/rs6000/ppc64-fp.c: Likewise.
924         * config/rs6000/ppu_intrinsics.h: Likewise.
925         * config/rs6000/rs6000.h: Likewise.
926         * config/rs6000/si2vmx.h: Likewise.
927         * config/rs6000/sol-ci.asm: Likewise.
928         * config/rs6000/sol-cn.asm: Likewise.
929         * config/rs6000/spe.h: Likewise.
930         * config/rs6000/spu2vmx.h: Likewise.
931         * config/rs6000/sysv4.h: Likewise.
932         * config/rs6000/tramp.asm: Likewise.
933         * config/rs6000/vec_types.h: Likewise.
934         * config/s390/linux-unwind.h: Likewise.
935         * config/s390/tpf-unwind.h: Likewise.
936         * config/score/crti.asm: Likewise.
937         * config/score/crtn.asm: Likewise.
938         * config/sh/crt1.asm: Likewise.
939         * config/sh/crti.asm: Likewise.
940         * config/sh/crtn.asm: Likewise.
941         * config/sh/divtab-sh4-300.c: Likewise.
942         * config/sh/divtab-sh4.c: Likewise.
943         * config/sh/divtab.c: Likewise.
944         * config/sh/lib1funcs-4-300.asm: Likewise.
945         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
946         * config/sh/lib1funcs.asm: Likewise.
947         * config/sh/lib1funcs.h: Likewise.
948         * config/sh/linux-atomic.asm: Likewise.
949         * config/sh/linux-unwind.h: Likewise.
950         * config/sh/shmedia.h: Likewise.
951         * config/sh/sshmedia.h: Likewise.
952         * config/sh/ushmedia.h: Likewise.
953         * config/sparc/crtfastmath.c: Likewise.
954         * config/sparc/linux-unwind.h: Likewise.
955         * config/sparc/sol2-c1.asm: Likewise.
956         * config/sparc/sol2-ci.asm: Likewise.
957         * config/sparc/sol2-cn.asm: Likewise.
958         * config/spu/divmodti4.c: Likewise.
959         * config/spu/divv2df3.c: Likewise.
960         * config/spu/float_disf.c: Likewise.
961         * config/spu/float_unsdidf.c: Likewise.
962         * config/spu/float_unsdisf.c: Likewise.
963         * config/spu/float_unssidf.c: Likewise.
964         * config/spu/mfc_multi_tag_release.c: Likewise.
965         * config/spu/mfc_multi_tag_reserve.c: Likewise.
966         * config/spu/mfc_tag_release.c: Likewise.
967         * config/spu/mfc_tag_reserve.c: Likewise.
968         * config/spu/mfc_tag_table.c: Likewise.
969         * config/spu/multi3.c: Likewise.
970         * config/spu/spu_internals.h: Likewise.
971         * config/spu/spu_intrinsics.h: Likewise.
972         * config/spu/spu_mfcio.h: Likewise.
973         * config/spu/vec_types.h: Likewise.
974         * config/spu/vmx2spu.h: Likewise.
975         * config/stormy16/stormy16-lib2.c: Likewise.
976         * config/svr4.h: Likewise.
977         * config/sync.c: Likewise.
978         * config/v850/lib1funcs.asm: Likewise.
979         * config/vxlib-tls.c: Likewise.
980         * config/vxlib.c: Likewise.
981         * config/vxworks-dummy.h: Likewise.
982         * config/xtensa/crti.asm: Likewise.
983         * config/xtensa/crtn.asm: Likewise.
984         * config/xtensa/ieee754-df.S: Likewise.
985         * config/xtensa/ieee754-sf.S: Likewise.
986         * config/xtensa/lib1funcs.asm: Likewise.
987         * config/xtensa/lib2funcs.S: Likewise.
988         * config/xtensa/linux-unwind.h: Likewise.
989         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
990         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
991         * coretypes.h: Likewise.
992         * crtstuff.c: Likewise.
993         * defaults.h: Likewise.
994         * dwarf2.h: Likewise.
995         * emutls.c: Likewise.
996         * gbl-ctors.h: Likewise.
997         * gcov-io.h: Likewise.
998         * ginclude/float.h: Likewise.
999         * ginclude/iso646.h: Likewise.
1000         * ginclude/stdarg.h: Likewise.
1001         * ginclude/stdbool.h: Likewise.
1002         * ginclude/stddef.h: Likewise.
1003         * ginclude/stdfix.h: Likewise.
1004         * ginclude/stdint-gcc.h: Likewise.
1005         * ginclude/tgmath.h: Likewise.
1006         * gthr-aix.h: Likewise.
1007         * gthr-dce.h: Likewise.
1008         * gthr-gnat.c: Likewise.
1009         * gthr-gnat.h: Likewise.
1010         * gthr-lynx.h: Likewise.
1011         * gthr-mipssde.h: Likewise.
1012         * gthr-nks.h: Likewise.
1013         * gthr-posix.c: Likewise.
1014         * gthr-posix.h: Likewise.
1015         * gthr-posix95.h: Likewise.
1016         * gthr-rtems.h: Likewise.
1017         * gthr-single.h: Likewise.
1018         * gthr-solaris.h: Likewise.
1019         * gthr-tpf.h: Likewise.
1020         * gthr-vxworks.h: Likewise.
1021         * gthr-win32.h: Likewise.
1022         * gthr.h: Likewise.
1023         * libgcc2.c: Likewise.
1024         * libgcc2.h: Likewise.
1025         * libgcov.c: Likewise.
1026         * tsystem.h: Likewise.
1027         * typeclass.h: Likewise.
1028         * unwind-c.c: Likewise.
1029         * unwind-compat.h: Likewise.
1030         * unwind-dw2-fde-compat.c: Likewise.
1031         * unwind-dw2-fde-darwin.c: Likewise.
1032         * unwind-dw2-fde-glibc.c: Likewise.
1033         * unwind-dw2-fde.c: Likewise.
1034         * unwind-dw2-fde.h: Likewise.
1035         * unwind-dw2.c: Likewise.
1036         * unwind-dw2.h: Likewise.
1037         * unwind-generic.h: Likewise.
1038         * unwind-pe.h: Likewise.
1039         * unwind-sjlj.c: Likewise.
1040         * unwind.inc: Likewise.
1041         * config/arm/neon-gen.ml: Change generated copyright header to
1042         refer to version 3 of the GNU General Public License with
1043         version 3.1 of the GCC Runtime Library Exception and to point
1044         readers at the COPYING3 and COPYING3.RUNTIME files and the
1045         FSF's license web page.
1046         * config/arm/arm_neon.h: Regenerate.
1047
1048 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1049
1050         * config/cris/cris.md: Change copyright header to refer to version
1051         3 of the GNU General Public License.
1052         * doc/install.texi2html: Change copyright header to refer to version
1053         3 of the GNU General Public License and to point readers at the
1054         COPYING3 file and the FSF's license web page.
1055         * config/vax/linux.h: Likewise.
1056
1057 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1058
1059         * config/i386/i386.md (cmpcc): New.
1060         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1061         (sync_compare_and_swap_cc*): Delete.
1062
1063         * config/s390/s390.c (s390_compare_emitted): Remove.
1064         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1065         s390_compare_emitted used to be handled.  Assert that modes match.
1066         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1067         refer to sync_compare_and_swap_ccsi.
1068         * config/s390/s390.h (s390_compare_emitted): Remove.
1069         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1070         instead of s390_compare_emitted.
1071         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1072         instead of s390_compare_emitted.
1073         * config/s390/s390.md (cmpcc): New.
1074         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1075         CC_REGNUM, do not pretend it's set.
1076         (sync_compare_and_swap_cc*): Delete.
1077         * config/s390/predicates.md (cc_reg_operand): New.
1078
1079         * expr.c (sync_compare_and_swap_cc): Delete.
1080         * optabs.h (sync_compare_and_swap_cc): Delete.
1081         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1082         is being used with can_compare_p.
1083         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1084         (find_cc_set): New.
1085         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1086         look for a MODE_CC set instead.  Use emit_store_flag.
1087         (expand_compare_and_swap_loop): Likewise, with some additional
1088         complication to avoid a force_reg when useless.  Use
1089         emit_cmp_and_jump_insns.
1090         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1091         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1092         sync_compare_and_swap documentation.
1093
1094 2009-04-09  Jan Hubicka  <jh@suse.cz>
1095
1096         * except.c (find_prev_try): Break out from ....
1097         (duplicate_eh_regions): ... here; properly update prev_try pointers
1098         when duplication part of tree.
1099         (dump_eh_tree): Improve dumping.
1100         (verify_eh_region): New.
1101         (verify_eh_tree): Use it.
1102
1103 2009-04-06  Richard Guenther  <rguenther@suse.de>
1104
1105         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1106         &ARRAY addresses by adjusting their types and prepending
1107         a conversion.
1108         * tree-cfg.c (verify_gimple_assign_single): Verify that
1109         addresses are correct.
1110
1111 2009-04-09  Richard Guenther  <rguenther@suse.de>
1112
1113         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1114         indices into an array reference if possible.
1115         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1116         Fold POINTER_PLUS_EXPR statements with invariant address.
1117
1118 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1119
1120         PR target/39634
1121         * config.gcc (powerpc64-*-linux*): Always build biarch.
1122
1123 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1124
1125         PR c/39613
1126         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1127         it and pedwarn if this results in an INTEGER_CST.
1128
1129 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1130
1131         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1132         text in MPFR section.
1133
1134 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1135
1136         * dwarf2out.c (class_scope_p): New static inline.
1137         (class_or_namespace_scope_p): Use it.
1138         (gen_variable_die): Use DW_TAG_member tag for static data member
1139         declarations instead of DW_TAG_variable.
1140
1141         PR middle-end/39573
1142         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
1143         variables.
1144
1145 2009-04-08  Richard Guenther  <rguenther@suse.de>
1146
1147         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
1148         valueize random data.
1149
1150 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
1151
1152         * config.gcc (aix tm_file):  Add aix-stdint.h.
1153         (aix tm clause use_gcc_stdint):  Set to wrap.
1154         * config/rs6000/aix-stdint.h:  New file.
1155         
1156 2009-04-08  Richard Guenther  <rguenther@suse.de>
1157
1158         PR middle-end/36291
1159         * tree-dfa.c (add_referenced_var): Do not recurse into
1160         global initializers.
1161         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
1162         exposed variables.
1163         (fold_const_aggregate_ref): Likewise.
1164
1165 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1166
1167         * recog.c (ordered_comparison_operator): New.
1168         * gensupport.c (std_preds): Add it.
1169         * doc/md.texi (Machine-Independent Predicates): Document it.
1170
1171 2009-04-08  Jan Hubicka  <jh@suse.cz>
1172
1173         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
1174         * function.h (rtl_eh): Remove exception_handler_label_map.
1175         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
1176         remove_exception_handler_label, for_each_eh_label_1): Remove.
1177         (rtl_remove_unreachable_regions): Remove.
1178         (convert_from_eh_region_ranges): Do not remove unreachable regions.
1179         (find_exception_handler_labels): Don't build the hashtable.
1180         (maybe_remove_eh_handler): Remove.
1181         (for_each_eh_label): Rewrite to walk the tree.
1182         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
1183         * except.h (maybe_remove_eh_handler): Remove.
1184         * passes.c (init_optimization_passes): Schedule second EH cleanup
1185         before out-of-ssa.
1186         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
1187         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
1188
1189 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
1190
1191         * genoutput.c (validate_optab_operands): New.
1192         (gen_insn, gen_expand): Call it.
1193
1194         * genflags.c (gen_insn): Detect misused iterators.
1195         (main): Pass line_no to gen_insn, exit with status 1 on error.
1196
1197         * genextract.c (line_no): Make global.
1198         (VEC_safe_set_locstr): Change assertion to error message.
1199         (main): Exit with status 1 on error.
1200
1201 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
1202
1203         PR c/39614
1204         PR c/39673
1205         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
1206         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
1207         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
1208         * c-convert.c (convert): Do not call fold on results of conversion
1209         functions when the result is a C_MAYBE_CONST_EXPR.
1210         * c-parser.c (c_parser_postfix_expression): Do not fold condition
1211         of __builtin_choose_expr.
1212         * c-typeck.c (remove_c_maybe_const_expr): New.
1213         (build_unary_op, build_conditional_expr, build_compound_expr,
1214         build_binary_op, c_objc_common_truthvalue_conversion): Call
1215         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
1216         integer operands.
1217
1218 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
1219
1220         * fold-const.c (const_binop): Combine two VECTOR_CST under operation 
1221         CODE to produce a new one. Add a prototype to use fold_convert_const
1222
1223 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
1224
1225         PR bootstrap/39660
1226         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
1227         mix declarations and code.
1228
1229 2009-04-08  Ben Elliston  <bje@au.ibm.com>
1230
1231         * gcc.c: Replace `CC' with `GCC' throughout.
1232
1233 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1234
1235         * doc/invoke.texi: Document Atom support.
1236
1237 2009-04-07  Jason Merrill  <jason@redhat.com>
1238
1239         PR c++/25185
1240         * c-common.h, c-common.c: Add flag_pretty_templates.
1241         * c-opts.c (c_common_handle_option): Set it.
1242         * c.opt: Add -fno-pretty-templates.
1243         * doc/invoke.texi (C++ Dialect Options): Likewise.
1244
1245 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
1246
1247         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
1248         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
1249         (ia64_expand_builtin): Likewise.
1250
1251 2009-04-07  Martin Jambor  <mjambor@suse.cz>
1252
1253         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
1254         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
1255         ADDR_EXPRS are include too.
1256
1257 2009-04-07  Richard Guenther  <rguenther@suse.de>
1258
1259         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
1260         decls are only used if passes as parameters or if they are
1261         local statics and the call is not to a builtin.
1262         (call_may_clobber_ref_p_1): Likewise.
1263
1264 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1265
1266         * expr.c (do_store_flag): Remove last argument.  Simplify code
1267         to avoid duplication of tests already done by can_compare_p.
1268         (expand_expr_real_1): Adjust caller.
1269
1270 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1271
1272         * optabs.c (can_compare_p): Test the predicate of a
1273         cbranch and cstore pattern.
1274
1275 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1276
1277         * expr.c (convert_move): Use emit_store_flag instead of
1278         "emulating" it.
1279
1280 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
1281
1282         * config/i386/i386.c (ix86_compare_emitted): Remove.
1283         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
1284         ix86_compare_op0 like ix86_compare_emitted used to be handled.
1285         * config/i386/i386.h (ix86_compare_emitted): Remove.
1286         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
1287         instead of ix86_compare_emitted.
1288         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
1289
1290 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
1291
1292         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
1293         Add t-sysroot-suffix to tmake_file.
1294         * config/print-sysroot-suffix.sh: New file.
1295         * config/t-sysroot-suffix: New file.
1296
1297 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1298
1299         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
1300         as the latter produces a warning when the target does not support
1301         infinity.
1302
1303 2009-04-07  Ben Elliston  <bje@au.ibm.com>
1304
1305         * dfp.c: Replace type punning assignments with memcpy throughout.
1306         * Makefile.in (dfp.o-warn): Remove.
1307         
1308 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
1309
1310         PR target/39634
1311         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
1312         Include soft-fp/t-softfp after rs6000/t-linux64.
1313
1314 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1315
1316         * stor-layout.c (set_sizetype): Use the full precision of their
1317         machine mode for bitsize types.
1318
1319 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
1320
1321         * config/i386/i386.md: Revert 2 accidental checkins.
1322
1323 2009-04-06  Joey Ye  <joey.ye@intel.com>
1324             Xuepeng Guo <xuepeng.guo@intel.com>
1325             H.J. Lu  <hongjiu.lu@intel.com>
1326
1327         Atom pipeline model, tuning and insn selection.
1328         * config.gcc (atom): Add atom config options and target.
1329
1330         * config/i386/atom.md: New.
1331
1332         * config/i386/i386.c (atom_cost): New cost.
1333         (m_ATOM): New macro flag.
1334         (initial_ix86_tune_features): Set m_ATOM.
1335         (x86_accumulate_outgoing_args): Likewise.
1336         (x86_arch_always_fancy_math_387): Likewise.
1337         (processor_target): Add Atom cost.
1338         (cpu_names): Add Atom cpu name.
1339         (override_options): Set Atom ISA.
1340         (ix86_issue_rate): New case PROCESSOR_ATOM.
1341         (ix86_adjust_cost): Likewise.
1342
1343         * config/i386/i386.h (TARGET_ATOM): New target macro.
1344         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
1345         (TARGET_OPT_AGU): New target option.
1346         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
1347         (processor_type): Add PROCESSOR_ATOM.
1348
1349         * config/i386/i386.md (cpu): Add new value "atom".
1350         (use_carry, movu): New attr.
1351         (atom.md): Include atom.md.
1352         (adddi3_carry_rex64): Set attr "use_carry".
1353         (addqi3_carry): Likewise.
1354         (addhi3_carry): Likewise.
1355         (addsi3_carry): Likewise.
1356         (*addsi3_carry_zext): Likewise.
1357         (subdi3_carry_rex64): Likewise.
1358         (subqi3_carry): Likewise.
1359         (subhi3_carry): Likewise.
1360         (subsi3_carry): Likewise.
1361         (x86_movdicc_0_m1_rex64): Likewise.
1362         (*x86_movdicc_0_m1_se): Likewise.
1363         (x86_movsicc_0_m1): Likewise.
1364         (*x86_movsicc_0_m1_se): Likewise.
1365         (*adddi_1_rex64): Emit add insn as much as possible.
1366         (*addsi_1): Likewise.
1367         (return_internal): Set atom_unit.
1368         (return_internal_long): Likewise.
1369         (return_pop_internal): Likewise.
1370         (*rcpsf2_sse): Set atom_sse_attr attr.
1371         (*qrt<mode>2_sse): Likewise.
1372         (*prefetch_sse): Likewise.
1373
1374         * config/i386/i386-c.c (ix86_target_macros_internal): New case
1375         PROCESSOR_ATOM.
1376         (ix86_target_macros_internal): Likewise.
1377
1378         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
1379         (*prefetch_sse_rex): Likewise.
1380         (sse_rcpv4sf2): Likewise.
1381         (sse_vmrcpv4sf2): Likewise.
1382         (sse_sqrtv4sf2): Likewise.
1383         (<sse>_vmsqrt<mode>2): Likewise.
1384         (sse_ldmxcsr): Likewise.
1385         (sse_stmxcsr): Likewise.
1386         (*sse_sfence): Likewise.
1387         (sse2_clflush): Likewise.
1388         (*sse2_mfence): Likewise.
1389         (*sse2_lfence): Likewise.
1390         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
1391         (<sse>_movup<ssemodesuffixf2c>): Likewise.
1392         (avx_movdqu<avxmodesuffix>): Likewise.
1393         (avx_lddqu<avxmodesuffix>): Likewise.
1394         (sse2_movntv2di): Change attr "type" to "ssemov".
1395         (sse2_movntsi): Likewise.
1396         (rsqrtv8sf2): Change attr "type" to "sseadd".
1397         (sse3_addsubv2df3): Set attr "atom_unit".
1398         (sse3_h<plusminus_insn>v4sf3): Likewise.
1399         (*sse2_pmaddwd): Likewise.
1400         (*vec_extractv2di_1_rex64): Likewise.
1401         (*vec_extractv2di_1_avx): Likewise.
1402         (sse2_psadbw): Likewise.
1403         (ssse3_phaddwv8hi3): Likewise.
1404         (ssse3_phaddwv4hi3): Likewise.
1405         (ssse3_phadddv4si3): Likewise.
1406         (ssse3_phadddv2si3): Likewise.
1407         (ssse3_phaddswv8hi3): Likewise.
1408         (ssse3_phaddswv4hi3): Likewise.
1409         (ssse3_phsubwv8hi3): Likewise.
1410         (ssse3_phsubwv4hi3): Likewise.
1411         (ssse3_phsubdv4si3): Likewise.
1412         (ssse3_phsubdv2si3): Likewise.
1413         (ssse3_phsubswv8hi3): Likewise.
1414         (ssse3_phsubswv4hi3): Likewise.
1415         (ssse3_pmaddubsw128): Likewise.
1416         (sse3_pmaddubsw: Likewise.
1417         (ssse3_palignrti): Likewise.
1418         (ssse3_palignrdi): Likewise.
1419
1420 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
1421
1422         * doc/install.texi (Specific): Fix two cross-references to MinGW.
1423
1424 2009-04-06  Richard Guenther  <rguenther@suse.de>
1425
1426         PR tree-optimization/28868
1427         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
1428         of which PHI results we inserted.
1429         (insert_into_preds_of_block): Record inserted PHIs.
1430         (eliminate): Eliminate redundant PHI nodes.
1431         (init_pre): Init inserted_phi_names.
1432
1433 2009-04-06  Richard Guenther  <rguenther@suse.de>
1434
1435         PR tree-optimization/39643
1436         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
1437         IMAGPART_EXPRs of complex constants.
1438         (execute_fold_all_builtins): If we folded a call queue
1439         TODO_update_address_taken.
1440
1441 2009-04-06  Jan Hubicka  <jh@suse.cz>
1442
1443         PR middle-end/39659
1444         * except.c (remove_unreachable_regions): Propagate may_contain_throw
1445         flag.
1446
1447 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
1448
1449         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
1450         delay slot.
1451         (ic_invalidate_array): Likewise.
1452
1453 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
1454
1455         * calls.c (emit_library_call_value_1): Fix a problem with parameter
1456         alignment for library calls.
1457
1458 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
1459
1460         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
1461         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
1462         * config/i386/mingw-stdint.h:  New file.
1463
1464 2009-04-05  Richard Guenther  <rguenther@suse.de>
1465
1466         PR tree-optimization/39648
1467         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
1468         our &A vs. &A[0] IL deficiencies.
1469
1470 2009-04-04  Jan Hubicka  <jh@suse.cz>
1471
1472         * except.c (sjlj_find_directly_reachable_regions): Be ready for
1473         removed toplevel regions.
1474         (sjlj_mark_call_sites): Likewise.
1475
1476 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
1477
1478         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
1479         (cygwin tm clause use_gcc_stdint):  Set to wrap.
1480         * config/i386/cygwin-stdint.h:  New file.
1481
1482 2009-04-04  Richard Guenther  <rguenther@suse.de>
1483
1484         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
1485         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
1486         single-argument PHIs if we are in loop-closed SSA form.
1487         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
1488         for the pre-condition.
1489         (slpeel_tree_peel_loop_to_edge): Likewise.
1490         (vect_build_loop_niters): Take an optional sequence to append stmts.
1491         (vect_generate_tmps_on_preheader): Likewise.
1492         (vect_do_peeling_for_loop_bound): Take extra guards for the
1493         pre-condition.
1494         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
1495         the cost model check.
1496         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
1497         guards if we are going to peel.  Do not apply versioning in that case.
1498         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
1499         (vect_do_peeling_for_loop_bound): Likewise.
1500         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
1501         loop bound only record extra pre-conditions, do not apply loop
1502         versioning.
1503
1504 2009-04-04  Richard Guenther  <rguenther@suse.de>
1505
1506         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
1507         renaming code.
1508
1509 2009-04-04  Jan Hubicka  <jh@suse.cz>
1510
1511         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1512         last_basic_block for size of bb->index indexed array.
1513         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
1514         compute_out, link_btr_uses, build_btr_def_use_webs,
1515         build_btr_def_use_webs, migrate_btr_defs): Likewise.
1516
1517 2009-04-04  Jan Hubicka  <jh@suse.cz>
1518
1519         * except.c (remove_eh_handler_and_replace): Break out from ...
1520         (remove_eh_handler): ... here.
1521         (bring_to_root): New function.
1522         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
1523         handled ones, bring others to root of tree.
1524
1525 2009-04-04  Jan Hubicka  <jh@suse.cz>
1526
1527         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
1528         (all_phis_safe_to_merge): New function.
1529         (update_info): New structure.
1530         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
1531         (cleanup_empty_eh): Update SSA if possible.
1532
1533 2009-04-04  Richard Guenther  <rguenther@suse.de>
1534
1535         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
1536         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
1537         (append_vuse): Likewise.
1538
1539 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
1540
1541         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
1542         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
1543         instead of REG_UNSAVED for DW_CFA_undefined.
1544         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
1545         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
1546         outermost frame.
1547
1548 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
1549
1550         PR target/39501
1551         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
1552         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
1553         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
1554
1555 2009-04-04  Richard Guenther  <rguenther@suse.de>
1556
1557         PR tree-optimization/8781
1558         PR tree-optimization/37892
1559         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
1560         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
1561         (valueize_refs): Call it for *& valueizations.
1562         (shared_reference_ops_from_ref): Rename to ...
1563         (valueize_shared_reference_ops_from_ref): ... this and valueize.
1564         (shared_reference_ops_from_call): Rename to ...
1565         (valueize_shared_reference_ops_from_call): ... this and valueize.
1566         (vn_reference_lookup): Update.
1567         (visit_reference_op_call): Likewise.
1568         * tree-ssa-pre.c (phi_translate_1): Fold *&.
1569         (eliminate): Value-replace the call address in call statements.
1570
1571 2009-04-04  Richard Guenther  <rguenther@suse.de>
1572
1573         PR tree-optimization/39636
1574         * tree-ssa-forwprop.c
1575         (forward_propagate_addr_into_variable_array_index): Check for
1576         GIMPLE_ASSIGN before accessing the rhs code.
1577
1578 2009-04-03  Jason Merrill  <jason@redhat.com>
1579
1580         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
1581
1582 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
1583
1584         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
1585         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
1586         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
1587         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
1588         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
1589         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
1590         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
1591         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
1592         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
1593         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
1594         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
1595         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
1596         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
1597         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
1598         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
1599         Use fr_reg_or_fp01_operand instead of fr_register_operand
1600
1601         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
1602         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
1603         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
1604
1605 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
1606
1607         PR rtl-optimization/39607
1608         PR rtl-optimization/39631
1609
1610         Revert:
1611         
1612         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
1613         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
1614         instead of DF_LR_OUT.
1615         * ira-lives.c (process_bb_node_lives): Ditto.
1616         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
1617         instead of DF_LR_{OUT,IN}.
1618         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
1619         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
1620
1621 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
1622
1623         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
1624         (execute_lower_omp): Always run but take the short way out if -fopenmp
1625         is not given.
1626         (gate_lower_omp): Remove, forcing the pass manager to always run the
1627         pass and always set PROP_gimple_lomp.
1628         (pass_lower_omp): Remove gate function.
1629         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
1630         PROP_trees.  Instead, require it.
1631         * ipa-cp.c (pass_ipa_cp): Likewise.
1632         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
1633         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
1634         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
1635         and PROP_gimple_leh.
1636
1637 2009-04-03  Richard Guenther  <rguenther@suse.de>
1638
1639         PR middle-end/13146
1640         PR tree-optimization/23940
1641         PR tree-optimization/33237
1642         PR middle-end/33974
1643         PR middle-end/34093
1644         PR tree-optimization/36201
1645         PR tree-optimization/36230
1646         PR tree-optimization/38049
1647         PR tree-optimization/38207
1648         PR tree-optimization/38230
1649         PR tree-optimization/38301
1650         PR tree-optimization/38585
1651         PR middle-end/38895
1652         PR tree-optimization/38985
1653         PR tree-optimization/39299
1654         * tree-ssa-structalias.h: Remove.
1655         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
1656         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
1657         (struct vuse_element_d): Remove.
1658         (struct vuse_vec_d): Likewise.
1659         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
1660         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
1661         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
1662         VUSE_ELEMENT_VAR): Likewise.
1663         (struct voptype_d): Likewise.
1664         (NUM_VOP_FREE_BUCKETS): Likewise.
1665         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
1666         (struct stmt_operands_d): Remove.
1667         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
1668         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
1669         VDEF_NUM, VDEF_VECT): Likewise.
1670         (copy_virtual_operands): Remove.
1671         (operand_build_cmp): Likewise.
1672         (create_ssa_artificial_load_stmt): Likewise.
1673         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
1674         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
1675         vuse_index and mayuse_index members.  Pack and move done and iter_type
1676         members to the front.
1677         (SSA_OP_VMAYUSE): Remove.
1678         (SSA_OP_VIRTUAL_USES): Adjust.
1679         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
1680         (unlink_stmt_vdef): Declare.
1681         (add_to_addressable_set): Remove.
1682         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
1683         (vrp_visit_stmt): Likewise.
1684         * doc/tree-ssa.texi (Alias analysis): Update.
1685         * doc/invoke.texi (max-aliased-vops): Remove docs.
1686         (avg-aliased-vops): Likewise.
1687         * tree-into-ssa.c (syms_to_rename): Remove.
1688         (need_to_update_vops_p): Likewise.
1689         (need_to_initialize_update_ssa_p): Rename to ...
1690         (update_ssa_initialized_fn): ... this.  Track function we are
1691         initialized for.
1692         (symbol_marked_for_renaming): Simplify.
1693         (add_new_name_mapping): Do not set need_to_update_vops_p.
1694         (dump_currdefs): Use SYMS_TO_RENAME.
1695         (rewrite_update_stmt): Always walk all uses/defs.
1696         (dump_update_ssa): Adjust.
1697         (init_update_ssa): Take function argument.  Track what we are
1698         initialized for.
1699         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
1700         (create_new_def_for): Initialize for cfun, assert we are initialized
1701         for cfun.
1702         (mark_sym_for_renaming): Simplify.
1703         (mark_set_for_renaming): Do not initialize update-ssa.
1704         (need_ssa_update_p): Simplify.  Take function argument.
1705         (name_mappings_registered_p): Assert we ask for the correct function.
1706         (name_registered_for_update_p): Likewise.
1707         (ssa_names_to_replace): Likewise.
1708         (release_ssa_name_after_update_ssa): Likewise.
1709         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
1710         (dump_decl_set): Do not print a newline.
1711         (debug_decl_set): Do it here.
1712         (dump_update_ssa): And here.
1713         * tree-ssa-loop-im.c (move_computations): Adjust.
1714         (movement_possibility): Likewise.
1715         (determine_max_movement): Likewise.
1716         (gather_mem_refs_stmt): Likewise.
1717         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
1718         or NAME_MEMORY_TAG.
1719         * tree-complex.c (update_all_vops): Remove.
1720         (expand_complex_move): Adjust.
1721         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
1722         Simplify test for memory referencing statement.  Exclude
1723         non-invariant ADDR_EXPRs.
1724         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
1725         * tree-loop-distribution.c (generate_memset_zero): Adjust.
1726         (rdg_flag_uses): Likewise.
1727         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
1728         related code.
1729         (tree_optimize_tail_calls_1): Also split the
1730         edge from the entry block if we have degenerate PHI nodes in
1731         the first basic block.
1732         * tree.c (init_ttree): Remove memory-tag related code.
1733         (tree_code_size): Likewise.
1734         (tree_node_structure): Likewise.
1735         (build7_stat): Re-write to be build6_stat.
1736         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
1737         (SSA_VAR_P): Adjust.
1738         (struct tree_memory_tag): Remove.
1739         (struct tree_memory_partition_tag): Likewise.
1740         (union tree_node): Adjust.
1741         (build7): Re-write to be build6.
1742         * tree-pass.h (pass_reset_cc_flags): Remove.
1743         (TODO_update_address_taken): New flag.
1744         (pass_simple_dse): Remove.
1745         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
1746         * params.h (MAX_ALIASED_VOPS): Remove.
1747         (AVG_ALIASED_VOPS): Likewise.
1748         * omp-low.c (expand_omp_taskreg): Update SSA form.
1749         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
1750         aliases the lhs in a copy stmt.
1751         * tree-ssa-dse.c (struct address_walk_data): Remove.
1752         (memory_ssa_name_same): Likewise.
1753         (memory_address_same): Likewise.
1754         (get_kill_of_stmt_lhs): Likewise.
1755         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
1756         unused stores.  Look through PHI nodes into post-dominated regions.
1757         (dse_optimize_stmt): Simplify.  Properly remove stores.
1758         (tree_ssa_dse): Compute dominators.
1759         (execute_simple_dse): Remove.
1760         (pass_simple_dse): Likewise.
1761         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
1762         gimple_loaded_syms and gimple_stored_syms computation.
1763         * toplev.c (dump_memory_report): Dump alias and pta stats.
1764         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
1765         (vn_reference_eq): Likewise.
1766         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
1767         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
1768         valueize_vuses): Remove.
1769         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
1770         (get_def_ref_stmt_vuse): ... this.
1771         (vn_reference_lookup_2): New function.
1772         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
1773         walking equivalent vuses.  Simplify.
1774         (vn_reference_lookup): Likewise.
1775         (vn_reference_insert): Likewise.
1776         (vn_reference_insert_pieces): Likewise.
1777         (visit_reference_op_call): Simplify.
1778         (visit_reference_op_load): Likewise.
1779         (visit_reference_op_store): Likewise.
1780         (init_scc_vn): Remove shared_lookup_vuses initialization.
1781         (free_scc_vn): Remove shared_lookup_vuses freeing.
1782         (sort_vuses, sort_vuses_heap): Remove.
1783         (get_ref_from_reference_ops): Export.
1784         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
1785         vector with single vuse pointer.
1786         (vn_reference_lookup_pieces, vn_reference_lookup,
1787         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
1788         (shared_vuses_from_stmt): Remove.
1789         (get_ref_from_reference_ops): Declare.
1790         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
1791         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
1792         memory-tag related code.
1793         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
1794         (likely_value): Add comment, skip static-chain of call statements.
1795         (surely_varying_stmt_p): Adjust.
1796         (gimplify_and_update_call_from_tree): Likewise.
1797         (execute_fold_all_builtins): Do not rebuild alias info.
1798         (gimplify_and_update_call_from_tree): Properly update VOPs.
1799         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
1800         (copy_ref_info): Remove memory-tag related code.
1801         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
1802         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
1803         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
1804         computation.
1805         * tree-ssa-dom.c (gimple_p): Remove typedef.
1806         (eliminate_redundant_computations): Adjust.
1807         (record_equivalences_from_stmt): Likewise.
1808         (avail_expr_hash): Likewise.
1809         (avail_expr_eq): Likewise.
1810         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
1811         (stmt_makes_single_load): Likewise.
1812         (stmt_makes_single_store): Likewise.
1813         * tree-ssa-alias.c: Rewrite completely.
1814         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
1815         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
1816         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
1817         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
1818         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
1819         Remove public functions.
1820         (pass_reset_cc_flags): Remove.
1821         (pass_build_alias): Move ...
1822         * tree-ssa-structalias.c (pass_build_alias): ... here.
1823         * tree-ssa-alias.c (may_be_aliased): Move ...
1824         * tree-flow-inline.h (may_be_aliased): ... here.
1825         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
1826         count_uses_and_derefs): Move ...
1827         * gimple.c: ... here.
1828         * gimple.h (count_uses_and_derefs): Declare.
1829         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
1830         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
1831         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
1832         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
1833         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
1834         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
1835         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
1836         New functions.
1837         * tree-dfa.c (refs_may_alias_p): Move ...
1838         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
1839         * tree-ssa-alias.h: New file.
1840         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
1841         (statement_sink_location): Likewise.
1842         * opts.c (decode_options): Do not adjust max-aliased-vops or
1843         avg-aliased-vops values.
1844         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
1845         (TV_CALL_CLOBBER): Likewise.
1846         (TV_FLOW_SENSITIVE): Likewise.
1847         (TV_FLOW_INSENSITIVE): Likewise.
1848         (TV_MEMORY_PARTITIONING): Likewise.
1849         (TV_ALIAS_STMT_WALK): New timevar.
1850         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
1851         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
1852         (get_address_description): Remove memory-tag related code.
1853         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
1854         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
1855         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
1856         and immediate uses in statements.  Document.
1857         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
1858         (dump_symbols): Remove.
1859         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
1860         * alias.c (get_deref_alias_set): New function split out from ...
1861         (get_alias_set): ... here.
1862         * alias.h (get_deref_alias_set): Declare.
1863         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
1864         type parameter.  Remove restrict pointer handling.  Create a
1865         ref-all pointer in case type-based alias sets do not conflict.
1866         (vect_analyze_data_refs): Remove SMT related code.
1867         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
1868         (vectorizable_load): Likewise.
1869         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
1870         (DR_SYMBOL_TAG, DR_VOPS): Remove.
1871         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
1872         Ignore vops and SMTs.
1873         (dr_analyze_alias): Likewise..
1874         (free_data_ref): Likewise.
1875         (create_data_ref): Likewise.
1876         (analyze_all_data_dependences): Likewise.
1877         (get_references_in_stmt): Adjust.
1878         * tree-flow-inline.h (gimple_aliases_computed_p,
1879         gimple_addressable_vars, gimple_call_clobbered_vars,
1880         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
1881         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
1882         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
1883         gimple_mem_ref_stats): Remove.
1884         (gimple_vop): New function.
1885         (op_iter_next_use): Remove vuses and mayuses cases.
1886         (op_iter_next_def): Remove vdefs case.
1887         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
1888         (clear_and_done_ssa_iter): Do not set removed fields.
1889         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
1890         Assert we are not iterating over vuses or vdefs if not also
1891         iterating over uses or defs.
1892         (op_iter_init_use): Likewise.
1893         (op_iter_init_def): Likewise.
1894         (op_iter_next_vdef): Remove.
1895         (op_iter_next_mustdef): Likewise.
1896         (op_iter_init_vdef): Likewise.
1897         (compare_ssa_operands_equal): Likewise.
1898         (link_use_stmts_after): Handle vuse operand.
1899         (is_call_used): Use is_call_clobbered.
1900         (is_call_clobbered): Global variables are always call clobbered,
1901         query the call-clobbers bitmap.
1902         (mark_call_clobbered): Ignore global variables.
1903         (clear_call_clobbered): Likewise.
1904         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
1905         virtual operands sanity check.
1906         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
1907         Remove.
1908         (TARGET_MEM_REF): Remove TMR_TAG operand.
1909         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
1910         Remove call-clobber related code.
1911         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
1912         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
1913         partitions or escape reason.
1914         (get_single_def_stmt, get_single_def_stmt_from_phi,
1915         get_single_def_stmt_with_phi): Remove.
1916         (dump_referenced_vars): Tidy.
1917         (get_ref_base_and_extent): Allow bare decls.
1918         (collect_dfa_stats): Adjust.
1919         * graphite.c (rename_variables_in_stmt): Adjust.
1920         (graphite_copy_stmts_from_block): Likewise.
1921         (translate_clast): Likewise.
1922         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
1923         (EXPR_DIES): New.
1924         (translate_vuse_through_block): Use the oracle.
1925         (phi_translate_1): Adjust.
1926         (value_dies_in_block_x): Use the oracle.  Cache the outcome
1927         in EXPR_DIES.
1928         (valid_in_sets): Check if the VUSE for
1929         a REFERENCE is available.
1930         (eliminate): Do not remove stmts during elimination,
1931         instead queue and remove them afterwards.
1932         (do_pre): Do not rebuild alias info.
1933         (pass_pre): Run TODO_rebuild_alias before PRE.
1934         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
1935         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
1936         (mark_all_v_defs_stmt): Remove.
1937         (mark_all_v_defs_seq): Adjust.
1938         (sra_replace): Likewise.
1939         (scalarize_use): Likewise.
1940         (scalarize_copy): Likewise.
1941         (scalarize_init): Likewise.
1942         (scalarize_ldst): Likewise.
1943         (todoflags): Remove.
1944         (tree_sra): Do not rebuild alias info.
1945         (tree_sra_early): Adjust.
1946         (pass_sra): Run TODO_update_address_taken before SRA.
1947         * tree-predcom.c (set_alias_info): Remove.
1948         (prepare_initializers_chain): Do not call it.
1949         (mark_virtual_ops_for_renaming): Adjust.
1950         (mark_virtual_ops_for_renaming_list): Remove.
1951         (initialize_root_vars): Adjust.
1952         (initialize_root_vars_lm): Likewise.
1953         (prepare_initializers_chain): Likewise.
1954         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
1955         (may_propagate_copy_into_stmt): Likewise.
1956         (merge_alias_info): Do nothing for now.
1957         (propagate_tree_value_into_stmt): Adjust.
1958         (stmt_may_generate_copy): Likewise.
1959         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
1960         not mark symbols for renaming.
1961         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
1962         with the same statement, make sure to update the new pointed-to one.
1963         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
1964         call statements, do not mark symbols for renaming.
1965         (mark_operand_necessary): Dump something.
1966         (ref_may_be_aliased): New function.
1967         (mark_aliased_reaching_defs_necessary_1): New helper function.
1968         (mark_aliased_reaching_defs_necessary): Likewise.
1969         (mark_all_reaching_defs_necessary_1): Likewise.
1970         (mark_all_reaching_defs_necessary): Likewise.
1971         (propagate_necessity): Do not process virtual PHIs.  For
1972         non-aliased loads mark all reaching definitions as necessary.
1973         For aliased loads and stores mark the immediate dominating
1974         aliased clobbers as necessary.
1975         (visited): New global static.
1976         (perform_tree_ssa_dce): Free visited bitmap after propagating
1977         necessity.
1978         (remove_dead_phis): Perform simple dead virtual PHI removal.
1979         (remove_dead_stmt): Properly unlink virtual operands when
1980         removing stores.
1981         (eliminate_unnecessary_stmts): Schedule PHI removal after
1982         stmt removal.
1983         * tree-ssa-ter.c (is_replaceable_p): Adjust.
1984         (process_replaceable): Likewise.
1985         (find_replaceable_in_bb): Likewise.
1986         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
1987         based on the single gimple vop.
1988         (verify_flow_insensitive_alias_info): Remove.
1989         (verify_flow_sensitive_alias_info): Likewise.
1990         (verify_call_clobbering): Likewise.
1991         (verify_memory_partitions): Likewise.
1992         (verify_alias_info): Likewise.
1993         (verify_ssa): Adjust..
1994         (execute_update_addresses_taken): Export.  Update SSA
1995         manually.  Optimize only when optimizing.  Use a local bitmap.
1996         (pass_update_address_taken): Remove TODO_update_ssa, add
1997         TODO_dump_func.
1998         (pass_update_address_taken): Just use TODO_update_address_taken.
1999         (init_tree_ssa): Do not initialize addressable_vars.
2000         (verify_ssa): Verify new VUSE / VDEF properties.
2001         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2002         Do not call verify_alias_info.
2003         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2004         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2005         and callused solutions.  Do not free addressable_vars.
2006         Remove memory-tag related code.
2007         (warn_uninitialized_var): Aliases are always available.
2008         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2009         * lambda-code.c (can_put_in_inner_loop): Adjust.
2010         (can_put_after_inner_loop): Likewise.
2011         (perfect_nestify): Likewise.
2012         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2013         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2014         (vectorizable_conversion): Do not mark symbols for renaming.
2015         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2016         (expand_call_inline): Unlink the calls virtual operands before
2017         replacing it.
2018         (tree_function_versioning): Do not call update_ssa if we are not
2019         updating clones.  Simplify.
2020         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2021         (propagate_with_phi): Likewise..
2022         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2023         clobber code.  Assert we are not aliased or global.
2024         * tree-flow.h: Include tree-ssa-alias.h
2025         (enum escape_type): Remove.
2026         (struct mem_sym_stats_d): Likewise.
2027         (struct mem_ref_stats_d): Likewise.
2028         (struct gimple_df): Add vop member.  Remove global_var,
2029         call_clobbered_vars, call_used_vars, addressable_vars,
2030         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2031         escaped and callused members.
2032         (struct ptr_info_def): Remove all members, add points-to solution
2033         member pt.
2034         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2035         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2036         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2037         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2038         (tree-ssa-alias.o): Likewise.
2039         (toplev.o): Add tree-ssa-alias.h
2040         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2041         * gimple.c (gimple_set_bb): Fix off-by-one error.
2042         (is_gimple_reg): Do not handle memory tags.
2043         (gimple_copy): Also copy virtual operands.
2044         Delay updating the statement.  Do not reset loaded and stored syms.
2045         (gimple_set_stored_syms): Remove.
2046         (gimple_set_loaded_syms): Likewise.
2047         (gimple_call_copy_skip_args): Copy the virtual operands
2048         and mark the new statement modified.
2049         * tree-ssa-structalias.c (may_alias_p): Remove.
2050         (set_uids_in_ptset): Take the alias set to prune with as
2051         parameter.  Fold in the alias test of may_alias_p.
2052         (compute_points_to_sets): Compute whether a ptr is dereferenced
2053         in a local sbitmap.
2054         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2055         other ADDRESSOF constraints on the lhs.
2056         (get_constraint_for_component_ref): Assert that we don't get
2057         ADDRESSOF constraints from the base of the reference.
2058         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2059         (struct variable_info): Remove collapsed_to member.
2060         (get_varinfo_fc): Remove.
2061         (new_var_info): Do not set collapsed_to.
2062         (dump_constraint): Do not follow cycles.
2063         (dump_constraint_graph): Likewise.
2064         (build_pred_graph): Likewise.
2065         (build_succ_graph): Likewise.
2066         (rewrite_constraints): Likewise.
2067         (do_simple_structure_copy): Remove.
2068         (do_rhs_deref_structure_copy): Remove.
2069         (do_lhs_deref_structure_copy): Remove.
2070         (collapse_rest_of_var): Remove.
2071         (do_structure_copy): Re-implement.
2072         (pta_stats): New global variable.
2073         (dump_pta_stats): New function.
2074         (struct constraint_expr): Make offset signed.
2075         (UNKNOWN_OFFSET): Define special value.
2076         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2077         (solution_set_expand): New helper function split out from ...
2078         (do_sd_constraint): ... here.
2079         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2080         (do_ds_constraint): Likewise.
2081         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2082         and CALLUSED = *CALLUSED.
2083         (set_union_with_increment): Make inc argument signed.
2084         (type_safe): Remove.
2085         (get_constraint_for_ptr_offset): Handle unknown and negative
2086         constant offsets.
2087         (first_vi_for_offset): Handle offsets before start.  Bail
2088         out early for offsets beyond the variable extent.
2089         (first_or_preceding_vi_for_offset): New function.
2090         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2091         Together with ESCAPED = *ESCAPED this properly computes reachability.
2092         (find_what_var_points_to): New function.
2093         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2094         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2095         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2096         pt_solutions_intersect): New functions.
2097         (compute_call_used_vars): Remove.
2098         (compute_may_aliases): New main entry into PTA computation.
2099         * gimple.h (gimple_p): New typedef.
2100         (struct gimple_statement_base): Remove references_memory_p.
2101         (struct gimple_statement_with_memory_ops_base): Remove
2102         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2103         members.
2104         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2105         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2106         gimple_set_references_memory): Remove.
2107         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2108         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2109         New functions.
2110         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2111         (verify_expr): Allow RESULT_DECL.
2112         (gimple_duplicate_bb): Do not copy virtual operands.
2113         (gimple_duplicate_sese_region): Adjust.
2114         (gimple_duplicate_sese_tail): Likewise.
2115         (mark_virtual_ops_in_region): Remove.
2116         (move_sese_region_to_fn): Do not call it.
2117         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2118         and pass_simple_dse.
2119         (execute_function_todo): Handle TODO_update_address_taken,
2120         call execute_update_addresses_taken for TODO_rebuild_alias.
2121         (execute_todo): Adjust.
2122         (execute_one_pass): Init dump files early.
2123         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2124         call-clobbered.
2125         (create_general_new_stmt): Clear vops.
2126         * tree-ssa-reassoc.c (get_rank): Adjust.
2127         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2128         symbols for renaming.
2129         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2130         (PARAM_AVG_ALIASED_VOPS): Likewise.
2131         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2132         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2133         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2134         (operand_build_cmp, copy_virtual_operands,
2135         create_ssa_artificial_load_stmt, add_to_addressable_set,
2136         gimple_add_to_addresses_taken): Remove public functions.
2137         (unlink_stmt_vdef): New function.
2138
2139 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2140
2141         * config.gcc (powerpc-*-linux*): Merge variants.
2142
2143 2009-04-02  Chao-ying Fu  <fu@mips.com>
2144             James Grosbach <james.grosbach@microchip.com>
2145
2146         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
2147         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
2148         cop0_sp_offset.
2149         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
2150         keep_interrupts_masked_p, use_debug_exception_return_p.
2151         (mips_attribute_table): Add interrupt, use_shadow_register_set,
2152         keep_interrupts_masked, use_debug_exception_return.
2153         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
2154         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
2155         New functions.
2156         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
2157         (mips_print_operand): Process COP0 registers to print $0 .. $31
2158         correctly for GAS to process.
2159         (mips_interrupt_extra_call_saved_reg_p): New function.
2160         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
2161         extra registers.
2162         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
2163         (mips_compute_frame_info): Add supports for interrupt context that
2164         includes doubleword accumulators and COP0 registers.
2165         (mips_for_each_saved_acc): New function.
2166         (mips_for_each_saved_gpr_and_fpr): Change the function name from
2167         mips_for_each_saved_reg.
2168         (mips_save_reg): Save accumulators.
2169         (mips_kernel_reg_p): A new for_each_rtx callback.
2170         (mips_expand_prologue): Support interrupt handlers.
2171         (mips_restore_reg): Restore accumulators.
2172         (mips_expand_epilogue): Support interrupt handlers.
2173         (mips_can_use_return_insn): Return false for interrupt handlers.
2174         (mips_epilogue_uses): New function.
2175         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
2176         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
2177         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
2178         cop0_move): New instructions.
2179         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
2180         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
2181         defines.
2182         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
2183         New defines.
2184         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
2185         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
2186         interrupt handlers, we use K0 as the temporary register.
2187         (EPILOGUE_USES): Change to a function call.
2188         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
2189         handlers, we use K0 as the temporary register.
2190         
2191         * doc/extend.texi (Function Attributes): Document interrupt,
2192         use_shadow_register_set, keep_interrupts_masked,
2193         use_debug_exception_return for MIPS attributes.
2194
2195 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
2196
2197         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
2198         Remove a number of t-files from tmake_file.
2199         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
2200         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
2201         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
2202         target_prototype, not TARGET_PROTOTYPE.
2203         (LINK_OS_GNU_SPEC): Define.
2204         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
2205         and darwin-ldoubdle.c.
2206
2207 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
2208
2209         PR driver/39293
2210         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
2211         (cpp_options): Ditto.
2212         (default_compilers): Ditto.
2213         (display_help): Ditto.
2214         (process_command): Ditto.
2215         (do_spec_1): Ditto.
2216         (set_input): Use lbasename instead of duplicate code.
2217         (save_temps_prefix): New static for -save-temps=obj.
2218         (save_temps_length): Ditto.
2219         
2220         * doc/invoke.texi (-save-temps=obj): Document new variant to
2221         -save-temps switch.
2222
2223 2009-04-02  Jeff Law  <law@redhat.com>
2224
2225         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
2226         variable.
2227
2228 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2229
2230         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
2231         * configure: Regenerated.
2232
2233 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2234
2235         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
2236         share the argument list.
2237
2238 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2239
2240         Merge
2241
2242         2009-02-12  Diego Novillo  <dnovillo@google.com>
2243
2244         * varpool.c (debug_varpool): New.
2245         * cgraph.h (debug_varpool): Declare.
2246
2247 2009-04-02  Jan Hubicka  <jh@suse.cz>
2248
2249         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
2250         pass.
2251
2252 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2253
2254         * config/i386/i386.c (ix86_abi): Move initialization to ...
2255         (override_options): Here.
2256
2257 2009-04-02  Christian Bruel  <christian.bruel@st.com>
2258
2259         * config/sh/sh.c (sh_dwarf_register_span): New function.
2260         (TARGET_DWARF_REGISTER_SPAN): Define.
2261         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
2262         
2263 2009-04-02  Ira Rosen  <irar@il.ibm.com>
2264
2265         PR tree-optimization/39595
2266         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of 
2267         interleaved loads group is not  greater than the SLP group size.
2268
2269 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
2270
2271         * builtins.c (is_builtin_name): New.
2272         (called_as_built_in): Use is_builtin_name.
2273         * tree.h (is_builtin_name): New.
2274         * varasm.c (incorporeal_function_p): Use is_builtin_name
2275
2276 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
2277
2278         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
2279
2280 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
2281
2282         PR c++/26693
2283         * c-decl.c: (clone_underlying_type): Move this ...
2284         * c-common.c (set_underlying_type): ... here.
2285         Also, make sure the function properly sets TYPE_STUB_DECL() on
2286         the newly created typedef variant type.
2287         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
2288         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
2289         points.
2290
2291 2009-04-02  Richard Guenther  <rguenther@suse.de>
2292
2293         PR tree-optimization/37221
2294         * tree-flow.h (degenerate_phi_result): Declare.
2295         * tree-ssa-dom.c (degenerate_phi_result): Export.
2296         * tree-scalar-evolution.c (analyze_initial_condition): If
2297         the initial condition is defined by a degenerate PHI node
2298         use the degenerate value.
2299
2300 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
2301
2302         PR rtl-optimization/39588
2303         * combine.c (merge_outer_ops): Do not set the constant when this
2304         is not necessary.
2305         (simplify_shift_const_1): Do not modify it either in this case.
2306
2307 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
2308
2309         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
2310         tuning is deprecated if -mtune value is set to an Itanium1 variant.
2311
2312 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
2313
2314         PR c/29027
2315         * c-lex.c (interpret_float): Default (no suffix) is double.
2316
2317 2009-04-1  Xinliang David Li  <davidxl@google.com>
2318
2319         * config/i386/i386.c (legitimate_constant_p): Recognize
2320         all one vector constant.
2321
2322 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2323
2324         * gcc/config/vax/vax.c: Add #includes to silence warnings.
2325         Change #include order to silence two warnings.
2326
2327 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2328
2329         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
2330         (ASM_SPEC): Pass -k to the assembler for PIC code.
2331
2332 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2333
2334         * gcc/config.gcc: Add vax-*-linux* to the switch.
2335         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
2336         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
2337
2338 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2339
2340         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
2341         Use predicate macros instead of GET_CODE() == foo.
2342         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
2343         ashlsi3, rotrsi3, <unnamed>): Likewise.
2344
2345 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2346
2347         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
2348         jbbccihi, jbbccisi): Remova trailing whitespace.
2349         * gcc/config/vax/constraints.md: Likewise.
2350         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
2351         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
2352         * gcc/config/vax/predicates.md: Likewise.
2353         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
2354         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
2355         * gcc/config/vax/vax.h: Likewise.
2356         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
2357
2358 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2359
2360         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
2361         (indirectable_address_p, adjacent_operands_p): Add spaces around
2362         braces.
2363         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
2364
2365 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2366
2367         * gcc/config/vax/vax.c (legitimate_constant_address_p,
2368         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
2369         index_term_p, reg_plus_index_p, legitimate_address_p,
2370         vax_mode_dependent_address_p): Update comments to match functions
2371         modified by the recent int->bool conversion.
2372
2373 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2374
2375         * gcc/config/vax/builtins.md: Update copyright message.
2376         * gcc/config/vax/constraints.md: Likewise.
2377         * gcc/config/vax/netbsd-elf.h: Likewise.
2378         * gcc/config/vax/predicates.md: Likewise.
2379         * gcc/config/vax/vax-protos.h: Likewise.
2380         * gcc/config/vax/vax.c: Likewise.
2381         * gcc/config/vax/vax.h: Likewise.
2382         * gcc/config/vax/vax.md: Likewise.
2383         * gcc/config/vax/vax.opt: Likewise.
2384
2385 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
2386
2387         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
2388         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
2389         * gcc/config/vax/constraints.md (B, R): Likewise.
2390         * gcc/config/vax/predicates.md (external_memory_operand,
2391         nonimmediate_addsub_di_operand): Likewise.
2392         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
2393         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
2394         untyped_call): Likewise.
2395
2396 2009-04-01  Matt Thomas <matt@3am-software.com>
2397
2398         * config/vax/predicates.md: New file.
2399         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
2400         external_const_operand, nonsymbolic_operand, external_memory_operand,
2401         indirect_memory_operand, indexed_memory_operand,
2402         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
2403         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
2404         predicate.
2405         * config/vax/constraints.md: New file.
2406         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
2407         New constraint.
2408         * config/vax/builtins.md: New file.
2409         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
2410         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
2411         jbbccisi): Define.
2412         * config/vax/vax.opt (mqmath): Add option.
2413         * config/vax/vax.md (isfx): Extend with DI.
2414         (VAXintQH, VAXintQHSD): Define.
2415         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
2416         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
2417         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
2418         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
2419         (movdi): Update constraints and use vax_output_int_move().
2420         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
2421         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
2422         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
2423         nonlocal_goto): New.
2424         (mov<mode>): Extend accepted operand types.
2425         (subdi3_old): Rename from subdi3, change update constraints and use
2426         a new implementation.
2427         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
2428         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
2429         MOVE_RATIO, CLEAR_RATIO): Define.
2430         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
2431         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2432         (PRINT_OPERAND): Redefine using a function instead of inlined code.
2433         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
2434         (split_quadword_operands): Make static and really allow variable
2435         splitting.
2436         (print_operand_address): Update for PIC generation.
2437         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
2438         indexable_address_p, fixup_mathdi_operand,
2439         vax_expand_addsub_di_operands, adjacent_operands_p): New.
2440         (vax_float_literal, legitimate_constant_p,
2441         indirectable_constant_address_p, index_term_p,
2442         reg_plus_index_p): Return bool instead of int.
2443         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
2444         where needed.
2445         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
2446         generation.
2447         (vax_output_conditional_branch): Indent.
2448         (legitimate_constant_address_p, indirectable_constant_address_p,
2449         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
2450         vax_mode_dependent_address_p): Return bool instead of int, update for
2451         PIC generation.
2452         * config/vax/vax-protos.h (legitimate_constant_address_p,
2453         legitimate_constant_p, legitimate_address_p,
2454         vax_mode_dependent_address_p): Change declaration to bool.
2455         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
2456         vax_expand_addsub_di_operands, vax_output_int_subtract,
2457         vax_output_movmemsi): Declare.
2458         (split_quadword_operands, vax_float_literal): Delete declaration.
2459         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
2460         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
2461         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
2462         ASM_OUTPUT_DWARF_PCREL): Define.
2463         (ASM_SPEC): Change definition to allow PIC generation.
2464
2465 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
2466
2467         * doc/sourcebuild.texi: Update front-end requirements.
2468
2469 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR target/39226
2472         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
2473         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
2474         (booldi3_internal3): Use boolean_or_operator instead of
2475         boolean_operator.
2476
2477 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
2478
2479         PR c/39605
2480         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
2481         declarator whose size is not an integer constant expression but
2482         folds to an integer constant, then treat it as a constant
2483         subsequently.
2484
2485 2009-04-01  Richard Guenther  <rguenther@suse.de>
2486
2487         * fold-const.c (fold_plusminus_mult_expr): Do not fold
2488         i * 4 + 2 to (i * 2 + 1) * 2.
2489
2490 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2491
2492         PR c/37772
2493         * c-parser.c (c_parser_asm_statement): Skip until close paren and
2494         return if c_parser_asm_string_literal returned NULL.
2495
2496 2009-04-01  Nick Clifton  <nickc@redhat.com>
2497
2498         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
2499         already defined.
2500         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
2501         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
2502         other typedefs to avoid conflicts with libgcc2.c.  Define labels
2503         to gain 16-bit bit-manipulation functions from libgcc2.c and then
2504         include it.
2505         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
2506         to gain 16-bit trapping arithmetic functions from libgcc2.c and
2507         then include it.
2508
2509 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
2510
2511         * varasm.c (default_function_rodata_section): Declare DOT as
2512         const char*.
2513
2514 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
2515             Andrey Galkin <agalkin@hypercom.com>
2516
2517         PR/39492
2518         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
2519         Make object_name unique for each process.
2520
2521 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
2522
2523         PR other/39591
2524         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
2525         addressable variables in the parallel that could go out of scope while
2526         running queued tasks.
2527
2528 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
2529
2530         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
2531         (CASE_VALUES_THRESHOLD): Redefine.
2532         * config/avr/avr.c (avr_override_options): Remove initialization of
2533         avr_case_values_threshold variable.
2534         (avr_case_values_threshold): Remove variable. Add new function.
2535         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
2536         * config/avr/avr.opt (mno-tablejump): Remove option.
2537         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
2538
2539 2009-04-01  DJ Delorie  <dj@redhat.com>
2540
2541         * varasm.c (default_function_rodata_section): Don't assume
2542         anything about where the first '.' in the section name is.
2543
2544 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
2545
2546         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
2547         rs6000_emit_stack_tie.
2548
2549 2009-03-31  Ian Lance Taylor  <iant@google.com>
2550
2551         * tree-eh.c (tree_remove_unreachable_handlers): Compare
2552         gimple_code with GIMPLE_RESX, not RESX.
2553
2554 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2555
2556         * c-common.c (c_get_ident): New.
2557         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
2558
2559 2009-04-01  Ben Elliston  <bje@au.ibm.com>
2560
2561         * config/rs6000/sysv4.opt (msdata): Improve option description.
2562
2563 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
2564
2565         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
2566         (divdf3_internal_lat): Remove.
2567         (divxf3_internal_lat): Remove.
2568         (divxf3_internal_thr): Remove.
2569         (divxf): Use divxf3_internal.
2570         * config/ia64/div.md (divsf3_internal_lat): New.
2571         (divdf3_internal_lat): New.
2572         (divxf3_internal): New.
2573
2574 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2575
2576         PR c/448
2577         * Makefile.in (USE_GCC_STDINT): Define.
2578         (stmp-int-hdrs): Install stdint.h if applicable.
2579         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
2580         if known.
2581         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
2582         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
2583         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2584         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2585         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2586         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2587         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2588         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2589         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2590         (c_common_nodes_and_builtins): Initialize
2591         underlying_wchar_type_node.  Do not initialize
2592         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
2593         nodes for new types.
2594         (c_stddef_cpp_builtins): Define macros for new types.
2595         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
2596         Remove.
2597         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
2598         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
2599         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
2600         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
2601         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
2602         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
2603         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
2604         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
2605         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
2606         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
2607         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
2608         int16_type_node, int32_type_node, int64_type_node,
2609         uint8_type_node, uint16_type_node, c_uint32_type_node,
2610         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
2611         int_least32_type_node, int_least64_type_node,
2612         uint_least8_type_node, uint_least16_type_node,
2613         uint_least32_type_node, uint_least64_type_node,
2614         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
2615         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
2616         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
2617         uintptr_type_node): Define.
2618         * c-cppbuiltin.c (builtin_define_constants,
2619         builtin_define_type_minmax): New.
2620         (builtin_define_stdint_macros): Define more macros.
2621         (c_cpp_builtins): Define more limit macros.
2622         (type_suffix): New.
2623         (builtin_define_type_max): Define in terms of
2624         builtin_define_type_minmax.  Remove is_long parameter.  All
2625         callers changed.
2626         * config.gcc (use_gcc_stdint): Define.
2627         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
2628         Add newlib-stdint.h for generic targets.
2629         * config/glibc-stdint.h, config/newlib-stdint.h,
2630         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
2631         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
2632         * config/score/score.h (UINTPTR_TYPE): Define.
2633         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
2634         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
2635         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2636         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2637         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2638         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2639         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2640         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
2641         * config/spu/spu.h (STDINT_LONG32): Define.
2642         * configure.ac (use_gcc_stdint): Substitute.
2643         * configure: Regenerate.
2644         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
2645         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
2646         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
2647         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
2648         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
2649         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
2650         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
2651         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
2652         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
2653         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
2654         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
2655         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
2656         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
2657         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
2658         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
2659         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
2660         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
2661         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
2662         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
2663         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
2664         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
2665         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
2666         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
2667         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2668         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
2669         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
2670         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
2671         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2672         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
2673
2674 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
2675
2676         * loop-iv.c (suitable_set_for_replacement): Renamed from
2677         simplify_using_assignment; changed to return bool and to accept new
2678         args DEST and SRC.  Return true iff we find a source/destination pair
2679         that can be used to make a replacement, and fill SRC and DEST if so.
2680         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
2681         changed.
2682         (simplify_using_initial_values): Deal with altered regs here and track
2683         more precisely the effect they have on the validity of our expression.
2684
2685         * loop-iv.c (simplify_using_condition): A condition of the form
2686         (EQ REG CONST) can be used to simply make a substitution.
2687         (simplify_using_initial_values): Keep track of conditions we have seen
2688         and keep using them to simplify new expressions, while applying the
2689         same substitutions to them as to the expression.
2690
2691         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2692         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
2693         GEU/LTU reversed.
2694
2695         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
2696         changed.  Use this when trying to improve the upper bound.
2697         Generate the comparison by using simplify_gen_relational.
2698
2699         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
2700
2701         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
2702         functions.
2703         (simplify_using_assignment, simplify_using_initial_values): Call 
2704         replace_in_expr to make replacements.  Call replace_single_def_regs
2705         once on the initial version of the expression.
2706
2707 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2708
2709         PR target/27237
2710         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
2711         
2712 2009-03-31  Richard Guenther  <rguenther@suse.de>
2713
2714         PR middle-end/31029
2715         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
2716         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
2717
2718 2009-03-31  Richard Guenther  <rguenther@suse.de>
2719
2720         * tree.h (div_if_zero_remainder): Declare.
2721         * fold-const.c (div_if_zero_remainder): Export.
2722         * tree-ssa-forwprop.c
2723         (forward_propagate_addr_into_variable_array_index): Handle
2724         constant array index addition outside of the variable index.
2725
2726 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2727
2728         PR target/39592
2729         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
2730         define_splits, floatunssi<mode>2): Require x87 conversions from
2731         DImode to be permitted.
2732
2733 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
2734
2735         PR preprocessor/15638
2736         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
2737
2738 2009-03-31  Richard Guenther  <rguenther@suse.de>
2739
2740         PR middle-end/23401
2741         PR middle-end/27810
2742         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
2743         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
2744         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
2745         a separate statement.
2746         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
2747         (lookup_tmp_var): Likewise.
2748         (is_gimple_formal_tmp_or_call_rhs): Remove.
2749         (is_gimple_reg_or_call_rhs): Rename to ...
2750         (is_gimple_reg_rhs_or_call): ... this.
2751         (is_gimple_mem_or_call_rhs): Rename to ...
2752         (is_gimple_mem_rhs_or_call): ... this.
2753         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
2754         DECL_GIMPLE_REG_P only if is_formal is true.
2755         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
2756         for non-proper post-modify expression gimplification.
2757         (gimplify_self_mod_expr): For post-modify expressions gimplify
2758         the lvalue to a minimal lvalue.
2759         (rhs_predicate_for): Remove formal temp case.
2760         (gimplify_modify_expr_rhs): Likewise.
2761         (gimplify_addr_expr): Use is_gimple_reg.
2762         (gimplify_expr): Remove formal temp cases.
2763         (gimple_regimplify_operands): Likewise.
2764         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
2765         and FILTER_EXPR like constants.
2766         * gimple.c (walk_gimple_op): Fix val_only initialization, use
2767         is_gimple_reg.
2768         (is_gimple_formal_tmp_rhs): Remove.
2769         (is_gimple_reg_rhs): Remove special casing.
2770         (is_gimple_mem_rhs): Fix.
2771         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
2772         (is_gimple_formal_tmp_var): Remove.
2773         (is_gimple_formal_tmp_reg): Likewise.
2774         (is_gimple_min_lval): Allow invariant component ref parts.
2775         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
2776         is_gimple_formal_tmp_reg): Remove declarations.
2777         * tree-cfg.c (verify_expr): Verify that variables with address
2778         taken do not have DECL_GIMPLE_REG_P set.
2779         * tree-mudflap.c (mf_build_check_statement_for): Use
2780         force_gimple_operand instead of gimplify_expr.
2781
2782 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
2783
2784         * modulo-sched.c (sms_schedule_by_order): Pass the actual
2785         schedulable rows to compute_split_row.
2786
2787 2009-03-31  Ben Elliston  <bje@au.ibm.com>
2788
2789         PR target/31635
2790         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
2791         OPT_mvrsave.
2792
2793 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2794
2795         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
2796         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
2797         * configure: Regenerate.
2798         * config.in: Regenerate.
2799         * config/rs6000/rs6000.opt (mtls-markers): Add.
2800         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
2801         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
2802         (tls_ld_aix, tls_ld_sysv): Likewise.
2803         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
2804         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
2805
2806 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
2807
2808         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
2809
2810 2009-03-30  Jan Hubicka  <jh@suse.cz>
2811
2812         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
2813         out of RESX.
2814         (tree_remove_unreachable_handlers): Cleanup EH predecestor
2815         detection and label handling.
2816
2817 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2818
2819         * ira-int.h (ira_allocno): Rename left_conflicts_num to
2820         left_conflicts_size.
2821         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
2822         ALLOCNO_LEFT_CONFLICTS_SIZE.
2823
2824         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
2825         remove_allocno_from_bucket_and_push,
2826         allocno_spill_priority_compare, push_allocnos_to_stack,
2827         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2828         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
2829         (setup_allocno_left_conflicts_num): Ditto.  Rename to
2830         setup_allocno_left_conflicts_size.
2831         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
2832         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
2833         setup_allocno_left_conflicts_size instead of
2834         setup_allocno_left_conflicts_num.
2835
2836         * ira-build.c (ira_create_allocno): Use
2837         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
2838         ALLOCNO_LEFT_CONFLICTS_NUM.
2839                 
2840 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2841
2842         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2843         instead of DF_LR_OUT.
2844
2845         * ira-lives.c (process_bb_node_lives): Ditto.
2846
2847         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2848         instead of DF_LR_{OUT,IN}.
2849
2850         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2851
2852         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2853
2854 2009-03-30  Jan Hubicka  <jh@suse.cz>
2855
2856         * except.c (label_to_region_map): Fix thinko.
2857
2858 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
2859
2860         PR middle-end/38237
2861         * tree.h (tree_find_value): New declaration.
2862         * tree.c (tree_find_value): New function.
2863         * varasm.c (assemble_external): Avoid duplicate entries on lists.
2864
2865 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
2866
2867         PR debug/39563
2868         * c-decl.c (struct c_binding): Add locus field.
2869         (bind): Add locus argument, set locus field from it.
2870         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
2871         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
2872         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
2873         implicitly_declare, undeclared_variable, lookup_label,
2874         declare_label, c_make_fname_decl, c_builtin_function,
2875         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
2876         bind callers.
2877
2878 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
2879
2880         PR target/38781
2881         * config/i386/i386.c (classify_argument): Check total size of
2882         structure.
2883
2884 2009-03-30  Martin Jambor  <mjambor@suse.cz>
2885
2886         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
2887         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
2888         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
2889         respectively.
2890
2891         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
2892         seen_variable_array_ref while also traversing a union.
2893
2894         * tree-inline.c (optimize_inline_calls): Do not call
2895         cgraph_node_remove_callees.
2896         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
2897         (pass_remove_cgraph_callee_edges): New variable.
2898         * passes.c (init_optimization_passes): Add
2899         pass_remove_cgraph_callee_edges after early inlining and before all
2900         late intraprocedural passes.
2901
2902         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
2903
2904 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2905
2906         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
2907         Fix typos in names.
2908
2909 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2910
2911         * combine.c (simplify_comparison): Use have_insn_for.
2912         * dojump.c (do_jump): Likewise.
2913
2914 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2915
2916         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
2917         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
2918         sparc_compare_op0 like sparc_compare_emitted used to be handled.
2919         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
2920         instead of sparc_compare_emitted.
2921         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
2922         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
2923         instead of sparc_compare_emitted.
2924
2925 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2926
2927         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
2928         enter/exit cfglayout mode.
2929         (pass_partition_block): Require it.
2930         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
2931         (combine_instructions): Track basic blocks instead of labels.
2932         (update_cfg_for_uncondjump): New.
2933         (try_combine): Use it.  Update jumps after rescanning.
2934         (pass_combine): Require PROP_cfglayout.
2935         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
2936
2937 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2938
2939         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
2940         Provide/destroy PROP_cfglayout respectively.
2941         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
2942         * tree-pass.h (PROP_cfglayout): New.
2943
2944 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
2945
2946         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
2947         fold_convert_const_fixed_from_fixed,
2948         fold_convert_const_fixed_from_int,
2949         fold_convert_const_fixed_from_real, fold_negate_const): Do not
2950         set TREE_CONSTANT_OVERFLOW.
2951         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
2952         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
2953
2954 2009-03-30  Ira Rosen  <irar@il.ibm.com>
2955
2956         * tree-vect-loop-manip.c: New file.
2957         * tree-vectorizer.c: Update documentation and included files.
2958         (vect_loop_location): Make extern.
2959         (rename_use_op): Move to tree-vect-loop-manip.c
2960         (rename_variables_in_bb, rename_variables_in_loop, 
2961         slpeel_update_phis_for_duplicate_loop, 
2962         slpeel_update_phi_nodes_for_guard1,
2963         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
2964         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
2965         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
2966         set_prologue_iterations, slpeel_tree_peel_loop_to_edge, 
2967         find_loop_location): Likewise.
2968         (new_stmt_vec_info): Move to tree-vect-stmts.c.
2969         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
2970         get_vectype_for_scalar_type, vect_is_simple_use,
2971         supportable_widening_operation, supportable_narrowing_operation):
2972         Likewise.
2973         (bb_in_loop_p): Move to tree-vect-loop.c.
2974         (new_loop_vec_info, destroy_loop_vec_info, 
2975         reduction_code_for_scalar_code, report_vect_op, 
2976         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
2977         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
2978         (vect_supportable_dr_alignment): Likewise.
2979         * tree-vectorizer.h (tree-data-ref.h): Include.
2980         (vect_loop_location): Declare.
2981         Reorganize function declarations according to the new file structure.
2982         * tree-vect-loop.c: New file.
2983         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, 
2984         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
2985         * tree-vect-data-refs.c: New file.
2986         * tree-vect-patterns.c (timevar.h): Don't include.
2987         * tree-vect-stmts.c: New file.
2988         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, 
2989         tree-vect-slp.c, tree-vect-loop.c.
2990         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and 
2991         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, 
2992         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
2993         (tree-vect-analyze.o): Remove.
2994         (tree-vect-transform.o): Likewise.
2995         (tree-vect-data-refs.o): Add rule.
2996         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, 
2997         tree-vect-slp.o): Likewise.
2998         (tree-vect-patterns.o): Remove redundant dependencies.
2999         (tree-vectorizer.o): Likewise.
3000         * tree-vect-slp.c: New file.
3001
3002 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3003
3004         * optc-gen.awk: Warn if an option flag has multiple different
3005         help strings.
3006
3007 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3008
3009         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3010         -floop-block): Document dependences on PPL, CLooG and Graphite.
3011
3012 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3013
3014         PR rtl-optimization/323
3015         * c-common.c (c_fully_fold, convert_and_check,
3016         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3017         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3018         * c-common.def (EXCESS_PRECISION_EXPR): New.
3019         * c-cppbuiltin.c (builtin_define_float_constants): Define
3020         constants with enough digits for long double.
3021         * c-lex.c (interpret_float): Interpret constant with excess
3022         precision where appropriate.
3023         * c-opts.c (c_common_post_options): Set
3024         flag_excess_precision_cmdline.  Give an error for
3025         -fexcess-precision=standard for C++ for processors where the
3026         option is significant.
3027         * c-parser.c (c_parser_conditional_expression): Handle excess
3028         precision in condition.
3029         * c-typeck.c (convert_arguments): Handle arguments with excess
3030         precision.
3031         (build_unary_op): Move excess precision outside operation.
3032         (build_conditional_expr): Likewise.
3033         (build_compound_expr): Likewise.
3034         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3035         (build_modify_expr): Handle excess precision in RHS.
3036         (convert_for_assignment): Handle excess precision in converted
3037         value.
3038         (digest_init, output_init_element, process_init_element): Handle
3039         excess precision in initializer.
3040         (c_finish_return): Handle excess precision in return value.
3041         (build_binary_op): Handle excess precision in operands and add
3042         excess precision as needed for operation.
3043         * common.opt (-fexcess-precision=): New option.
3044         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3045         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3046         For standard excess precision, output explicit conversion to and
3047         truncation from XFmode.
3048         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3049         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3050         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3051         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3052         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3053         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3054         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3055         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3056         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3057         define_splits, sqrt<mode>2): Disable where appropriate for
3058         standard excess precision.
3059         * convert.c (convert_to_real): Do not shorten arithmetic to type
3060         for which excess precision would be used.
3061         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3062         * doc/invoke.texi (-fexcess-precision=): Document option.
3063         (-mfpmath=): Correct index entry.
3064         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3065         flag_excess_precision): New.
3066         * langhooks.c (lhd_post_options): Set
3067         flag_excess_precision_cmdline.
3068         * opts.c (common_handle_option): Handle -fexcess-precision=.
3069         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3070         init_excess_precision): New.
3071         (lang_dependent_init_target): Call init_excess_precision.
3072         * tree.c (excess_precision_type): New.
3073         * tree.h (excess_precision_type): Declare.
3074
3075 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3076
3077         PR c/35235
3078         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3079         non-lvalue to component.
3080
3081 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3082
3083         PR preprocessor/34695
3084         * Makefile.in (c-opts.o): Depend on c-tree.h.
3085         * c-common.c: Move down include of diagnostic.h.
3086         (done_lexing, c_cpp_error): New.
3087         * c-common.h (done_lexing): Declare.
3088         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3089         (parse_in).
3090         * c-opts.c: Include c-tree.h.
3091         (c_common_init_options): Set preprocessor error callback.
3092         (c_common_handle_option): Do not set preprocessor
3093         inhibit_warnings, warnings_are_errors, warn_system_headers,
3094         pedantic_errors or inhibit_warnings flags.
3095         (c_common_post_options): Do not check cpp_errors (parse_in).
3096         (c_common_finish): Do not output dependencies if there were
3097         errors.  Do not check return value of cpp_finish.
3098         * c-ppoutput.c (pp_file_change): Set input_location.
3099         * c-tree.h (c_cpp_error): Declare.
3100         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3101         override_column.
3102         (diagnostic_build_prefix): Check override_column.
3103         * diagnostic.h (diagnostic_info): Add override_column field.
3104         (diagnostic_override_column): Define.
3105
3106 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3107
3108         * c-common.c (c_expand_expr, c_staticp): Remove.
3109         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3110         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3111         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3112         * c-gimplify.c (gimplify_compound_literal_expr,
3113         optimize_compound_literals_in_ctor): Remove.
3114         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3115         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3116         * c-semantics.c (emit_local_var): Remove.
3117
3118         * langhooks-def.h (lhd_expand_expr): Remove.
3119         * langhooks.c (lhd_expand_expr): Remove.
3120         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3121
3122         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3123         handling from c-semantics.c; don't call into langhook.
3124         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3125         * gimplify.c (gimplify_compound_literal_expr,
3126         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3127         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3128         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3129         as was done in c-gimplify.c.
3130         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3131         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3132         Move from c-common.h.
3133         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3134
3135         * tree.c (staticp): Do not call langhook.
3136         * langhooks.c (lhd_staticp): Delete.
3137         * langhooks-def.h (lhd_staticp): Delete prototype.
3138         (LANG_HOOKS_STATICP): Delete.
3139         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
3140
3141         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
3142         instead of DECL_STMTs.
3143
3144 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3145
3146         PR c/456
3147         PR c/5675
3148         PR c/19976
3149         PR c/29116
3150         PR c/31871
3151         PR c/35198
3152         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
3153         void_type_node.
3154         (fold_call_expr): Return a NOP_EXPR from folding rather than the
3155         contained expression.
3156         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
3157         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
3158         conditional expressions for C.
3159         (decl_constant_value_for_optimization): Move from
3160         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
3161         whether optimizing and that the expression is a VAR_DECL not of
3162         array type instead of doing such checks in the caller.  Do not
3163         check pedantic.  Call gcc_unreachable for C++.
3164         * c-common.def (C_MAYBE_CONST_EXPR): New.
3165         * c-common.h (c_fully_fold, c_save_expr,
3166         decl_constant_value_for_optimization): New prototypes.
3167         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
3168         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
3169         EXPR_INT_CONST_OPERANDS): Define.
3170         * c-convert.c (convert): Strip nops from expression.
3171         * c-decl.c (groktypename): Take extra parameters expr and
3172         expr_const_operands.  Update call to grokdeclarator.
3173         (start_decl): Update call to grokdeclarator.  Add statement for
3174         expressions used in type of decl.
3175         (grokparm): Update call to grokdeclarator.
3176         (push_parm_decl): Update call to grokdeclarator.
3177         (build_compound_literal): Add parameter non_const and build a
3178         C_MAYBE_COSNT_EXPR if applicable.
3179         (grokdeclarator): Take extra parameters expr and
3180         expr_const_operands.  Track expressions used in declaration
3181         specifiers and declarators.  Fold array sizes and track whether
3182         they are constant expressions and whether they are integer
3183         constant expressions.
3184         (parser_xref_tag): Set expr and expr_const_operands fields in
3185         return value.
3186         (grokfield): Update call to grokdeclarator.
3187         (start_function): Update call to grokdeclarator.
3188         (build_null_declspecs): Set expr and expr_const_operands fields in
3189         return value.
3190         (declspecs_add_type): Handle expressions in typeof specifiers.
3191         * c-parser.c (c_parser_declspecs): Set expr and
3192         expr_const_operands fields for declaration specifiers.
3193         (c_parser_enum_specifier): Likewise.
3194         (c_parser_struct_or_union_specifier): Likewise.
3195         (c_parser_typeof_specifier): Likewise.  Update call to
3196         groktypename.  Fold expression as needed.  Return expressions with
3197         type instead of adding statements.
3198         (c_parser_attributes): Update calls to c_parser_expr_list.
3199         (c_parser_statement_after_labels): Fold expression before passing
3200         to objc_build_throw_stmt.
3201         (c_parser_condition): Fold expression.
3202         (c_parser_asm_operands): Fold expression.
3203         (c_parser_conditional_expression): Use c_save_expr.  Update call
3204         to build_conditional_expr.
3205         (c_parser_alignof_expression): Update call to groktypename.
3206         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
3207         original_code.  Fold expression argument of va_arg.  Create
3208         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
3209         argument to va_arg.  Update calls to groktypename.  Fold array
3210         index for offsetof.  Verify that first argument to
3211         __builtin_choose_expr has integer type.
3212         (c_parser_postfix_expression_after_paren_type): Update calls to
3213         groktypename and build_compound_literal.  Handle expressions with
3214         side effects in type name.
3215         (c_parser_postfix_expression_after_primary): Update call to
3216         c_parser_expr_list.  Set original_code for calls to
3217         __builtin_constant_p.
3218         (c_parser_expr_list): Take extra parameter fold_p.  Fold
3219         expressions if requested.
3220         (c_parser_objc_type_name): Update call to groktypename.
3221         (c_parser_objc_synchronized_statement): Fold expression.
3222         (c_parser_objc_receiver): Fold expression.
3223         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
3224         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
3225         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
3226         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
3227         (struct c_typespec): Add elements expr and expr_const_operands.
3228         (struct c_declspecs): Add elements expr and expr_const_operands.
3229         (groktypename, build_conditional_expr, build_compound_literal):
3230         Update prototypes.
3231         (in_late_binary_op): Declare.
3232         * c-typeck.c (note_integer_operands): New function.
3233         (in_late_binary_op): New variable.
3234         (decl_constant_value_for_broken_optimization): Move to c-common.c
3235         and rename to decl_constant_value_for_optimization.
3236         (default_function_array_conversion): Do not strip nops.
3237         (default_conversion): Do not call
3238         decl_constant_value_for_broken_optimization.
3239         (build_array_ref): Do not fold result.
3240         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
3241         result when operand is a VLA.
3242         (c_expr_sizeof_type): Update call to groktypename.  Handle
3243         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
3244         result when operand names a VLA type.
3245         (build_function_call): Update call to build_compound_literal.
3246         Only fold result for calls to __builtin_* functions.  Strip
3247         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
3248         the function designator.
3249         (convert_arguments): Fold arguments.  Update call to
3250         convert_for_assignment.
3251         (build_unary_op): Handle increment and decrement of
3252         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
3253         decrement earlier.  Fold operand of increment and decrement.
3254         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
3255         built for integer operand.  Wrap returns that are INTEGER_CSTs
3256         without being integer constant expressions or that have integer
3257         constant operands without being INTEGER_CSTs.
3258         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
3259         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
3260         result is an integer constant expression or can be used in
3261         unevaluated parts of one and avoid folding and wrap as
3262         appropriate.  Fold operands before possibly doing -Wsign-compare
3263         warnings.
3264         (build_compound_expr): Wrap result for C99 if operands can be used
3265         in integer constant expressions.
3266         (build_c_cast): Update call to digest_init.  Do not ignore
3267         overflow from casting floating-point constants to integers.  Wrap
3268         results that could be confused with integer constant expressions,
3269         null pointer constants or floating-point constants.
3270         (c_cast_expr): Update call to groktypename.  Handle expressions
3271         included in type name.
3272         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
3273         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
3274         Update calls to convert_for_assignment.
3275         (convert_for_assignment): Take new parameter
3276         null_pointer_constant.  Do not strip nops or call
3277         decl_constant_value_for_broken_optimization.  Set
3278         in_late_binary_op for conversions to boolean.
3279         (store_init_value): Update call to digest_init.
3280         (digest_init): Take new parameter null_pointer_constant.  Do not
3281         call decl_constant_value_for_broken_optimization.  pedwarn for
3282         initializers not constant expressions.  Update calls to
3283         convert_for_assignment.
3284         (constructor_nonconst): New.
3285         (struct constructor_stack): Add nonconst element.
3286         (really_start_incremental_init, push_init_level, pop_init_level):
3287         Handle constructor_nonconst and nonconst element.
3288         (set_init_index): Call constant_expression_warning for array
3289         designators.
3290         (output_init_element): Fold value.  Set constructor_nonconst as
3291         applicable.  pedwarn for initializers not constant expressions.
3292         Update call to digest_init.  Call constant_expression_warning
3293         where constant initializers are required.
3294         (process_init_element): Use c_save_expr.
3295         (c_finish_goto_ptr): Fold expression.
3296         (c_finish_return): Fold return value.  Update call to
3297         convert_for_assignment.
3298         (c_start_case): Fold switch expression.
3299         (c_process_expr_stmt): Fold expression.
3300         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
3301         ensure statement expression is not evaluated in constant expression.
3302         (build_binary_op): Track whether results are integer constant
3303         expressions or may occur in such, disable folding and wrap results
3304         as applicable.  Fold operands for -Wsign-compare warnings unless
3305         in_late_binary_op.
3306         (c_objc_common_truthvalue_conversion): Handle results folded to
3307         integer constants that are not integer constant expressions.
3308         * doc/extend.texi: Document when typeof operands are evaluated,
3309         that condition of __builtin_choose_expr is an integer constant
3310         expression, and more about use of __builtin_constant_p in
3311         initializers.
3312
3313 2009-03-29  Richard Guenther  <rguenther@suse.de>
3314
3315         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
3316         propagate addresses of array references.
3317
3318 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3319
3320         * regmove.c (perhaps_ends_bb_p): Remove.
3321         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
3322         from INSN and check that the main loop stays within that basic block.
3323         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
3324         (regmove_forward_pass): Split out from regmove_optimize.  Use
3325         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
3326         (regmove_backward_pass): Split out from regmove_optimize.  Use
3327         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
3328         (regmove_optimize): Simplify.
3329
3330 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3331
3332         PR target/39545
3333         * config/i386/i386.c (classify_argument): Ignore flexible array
3334         member in struct and warn ABI change.
3335
3336 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
3337
3338         * config/i386/i386-protos.h (ix86_agi_dependent): New.
3339
3340         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
3341         (ix86_adjust_cost): Updated.
3342
3343 2009-03-29  Jan Hubicka  <jh@suse.cz>
3344
3345         PR middle-end/28850
3346         * tree-pass.h (pass_cleanup_eh): New function.
3347         (remove_unreachable_regions): Break code handling RTL
3348         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
3349         that can not be reached by runtime.
3350         (can_be_reached_by_runtime): New function.
3351         (label_to_region_map): New function.
3352         (num_eh_regions): New function.
3353         (rtl_remove_unreachable_regions): New function.
3354         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
3355         (remove_eh_region): New function.
3356         * except.h: Include sbitmap and vecprim.
3357         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
3358         num_eh_regions): Declare.
3359         * passes.c (init_optimization_passes): Schedule cleanup_eh.
3360         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
3361         * tree-eh.c (tree_remove_unreachable_handlers): New function.
3362         (tree_empty_eh_handler_p): New function.
3363         (cleanup_empty_eh): New function.
3364         (cleanup_eh): New function.
3365         (pass_cleanup_eh): New function.
3366
3367 2009-03-29  Jan Hubicka  <jh@suse.cz>
3368
3369         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
3370         for removed regions.
3371
3372 2009-03-29  Jan Hubicka  <jh@suse.cz>
3373
3374         * except.c (dump_eh_tree): Dump all datastructures.
3375
3376 2009-03-29  Jan Hubicka  <jh@suse.cz>
3377
3378         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
3379         (duplicate_eh_regions_1): Likewise.
3380         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
3381         vector; call EH verification.
3382         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3383         Be ready for region being removed.
3384
3385 2009-03-29  Jan Hubicka  <jh@suse.cz>
3386
3387         * bitmap.c (bitmap_last_set_bit): New function.
3388         * bitmap.h (bitmap_last_set_bit): Declare.
3389
3390 2009-03-29  David Ayers  <ayers@fsfe.org>
3391
3392         PR objc/27377
3393         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
3394         by calling objc_compare_types and surpress warnings about
3395         incompatible C pointers that are compatible ObjC pointers.
3396         
3397 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
3398
3399         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
3400         call initialize_inline_failed.
3401         (initialize_inline_failed): Move it from here ...
3402         * cgraph.c (initialize_inline_failed): ... to here.
3403         (cgraph_create_edge): Call initialize_inline_failed rather than
3404         setting inline_failed directly.
3405
3406 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3407
3408         PR target/32542
3409         * sysv4.opt (msdata): Improve comment.
3410         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
3411         * sysv4.h (SVR4_ASM_SPEC): Likewise.
3412
3413 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3414
3415         PR target/30451
3416         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
3417         load and store attributes.
3418
3419 2009-03-29  Ben Elliston  <bje@au.ibm.com>
3420
3421         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
3422         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
3423         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
3424         * doc/extend.texi (X86 Built-in Functions): Add index entries for
3425         __builtin_infq and __builtin_huge_valq.
3426
3427 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
3428
3429         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
3430         atmega8m1 devices.
3431         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3432         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
3433
3434 2009-03-28  Xinliang David Li  <davidxl@google.com>
3435
3436         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. 
3437         (do_dbg_cnt): New function.
3438
3439 2009-03-28  Jan Hubicka  <jh@suse.cz>
3440
3441         Merge from pretty-ipa:
3442
3443         2009-03-27  Jan Hubicka  <jh@suse.cz>
3444
3445         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3446         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
3447         * passes.c (function_called_by_processed_nodes_p): New.
3448         * ipa-pure-const.c (check_call): Fix handling of operands.
3449         (analyze_function): Dump debug output for skipped bodies.
3450         (local_pure_const): Use function_called_by_processed_nodes_p.
3451         * dwarf2out.c (reference_to_unused): Use output.
3452         * passes.c (do_per_function_toporder): Likewise.
3453
3454         2008-11-12  Jan Hubicka  <jh@suse.cz>
3455
3456         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
3457         * ipa-pure-const.c (funct_state_d): Add can throw field; make
3458         state_set_in_source enum
3459         (check_decl): Ignore memory tags; do not set fake looping flags;
3460         dump diagnostics.
3461         (check_operand, check_tree, check_rhs_var, check_lhs_var,
3462         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
3463         (check_call, analyze_function): Rewrite.
3464         (check_stmt): New.
3465         (add_new_function): Update call of analyze_function.
3466         (generate_summary): Add call of analyze_function.
3467         (propagate): Propagate can_throw; handle state_set_in_source correctly.
3468         (local_pure_const): New function.
3469         (pass_local_pure_const): New pass.
3470         * ipa-inline.c (inline_transform): Set after_inlining.
3471         * tree-eh.c (stmt_can_throw_external): New.
3472         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
3473         work with aliasing built.
3474         * tree-flow.h (stmt_can_throw_external): New.
3475         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
3476         and local pure/const pass in early and late optimization queue.
3477
3478 2009-03-28  Martin Jambor  <mjambor@suse.cz>
3479
3480         * fold-const.c (get_pointer_modulus_and_residue): New parameter
3481         allow_func_align.
3482         (fold_binary): Allow function decl aligment consideration is the
3483         second argument is integer constant one.
3484         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
3485         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
3486         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
3487
3488 2009-03-28  Jan Hubicka  <jh@suse.cz>
3489
3490         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
3491         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
3492         * function.h (rtl_data): Add nothrow flag.
3493         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
3494         set DECL_NOTHROW for AVAILABLE functions.
3495
3496 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
3497
3498         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
3499         following vector keyword has expansion starting with pixel or bool
3500         keyword, expand vector to __vector and pixel or bool to __pixel or
3501         __bool.
3502
3503         PR c++/39554
3504         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
3505         warn_if_disallowed_function_p): Removed.
3506         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
3507         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
3508         warning_if_disallowed_function_p.
3509         * flags.h (warn_if_disallowed_function_p,
3510         warn_disallowed_functions): Removed.
3511         * common.opt (Wdisallowed-function-list=): Removed.
3512         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
3513
3514 2009-03-28  Richard Guenther  <rguenther@suse.de>
3515
3516         PR tree-optimization/38723
3517         * tree-ssa-pre.c (compute_avail): Add all default definitions to
3518         the entry block.
3519
3520 2009-03-28  Jan Hubicka  <jh@suse.cz>
3521
3522         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
3523         test introduced by my previous patch.
3524
3525 2009-03-28  Richard Guenther  <rguenther@suse.de>
3526
3527         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
3528         the PHIs value undefined.
3529
3530 2009-03-28  Jan Hubicka  <jh@suse.cz>
3531
3532         * tree-pass.h (pass_fixup_cfg): New pass.
3533         * ipa-inline.c (inline_transform): Set
3534         always_inline_functions_inlined/after_inlining.
3535         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
3536         (pass_fixup_cfg): New pass.
3537         * passes.c (init_optimization_passes): Add fixup_cfg.
3538
3539 2009-03-28  Richard Guenther  <rguenther@suse.de>
3540
3541         PR tree-optimization/38458
3542         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
3543         argument use the arguments copy-of value.
3544
3545 2009-03-28  Richard Guenther  <rguenther@suse.de>
3546
3547         PR tree-optimization/38180
3548         * tree-ssa-ccp.c (get_default_value): Simplify.
3549         (likely_value): Likewise.
3550         (surely_varying_stmt_p): Properly handle VOP case.
3551         (ccp_initialize): Likewise.
3552         (ccp_fold): Handle propagating through *&.
3553         (fold_const_aggregate_ref): Also handle decls.
3554
3555 2009-03-28  Jan Hubicka  <jh@suse.cz>
3556
3557         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
3558         * cgraph.h (cgraph_node): Likewise.
3559         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
3560         (cgraph_reset_node): Use process flag.
3561         (cgraph_mark_functions_to_output): Likewise.
3562         (cgraph_expand_function): Likewise.
3563         (cgraph_expand_all_functions): Likewise.
3564         (cgraph_output_in_order): Likewise.
3565         * dwarf2out.c (reference_to_unused): Likewise.
3566         * passes.c do_per_function_toporder): Likewise.
3567
3568 2009-03-28  Jan Hubicka  <jh@suse.cz>
3569
3570         Bring from lto-branch:
3571
3572         2008-09-03  Doug Kwan  <dougkwan@google.com>
3573
3574         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
3575         enums instead of reason strings.
3576         * cgraph.c (cgraph_create_edge): Same.
3577         (cgraph_inline_failed_string): New function.
3578         * cgraph.h (cgraph_inline_failed_t): New enum type.
3579         (cgraph_inline_failed_string): New prototype.
3580         (struct cgraph_edge): Change type of INLINED_FAILED from constant
3581         char pointer to cgraph_inline_failed_t.
3582         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
3583         (cgraph_default_inline_p): Ditto.
3584         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
3585         to cgraph_inline_failed_t pointer.
3586         * cif-code.def: New file.
3587         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
3588         reason string.
3589         (cgraph_check_inline_limits): Change type of REASON to pointer to
3590         cgraph_inline_failed_t.  Replace reason strings with enums.
3591         (cgraph_default_inline_p): Ditto.
3592         (cgraph_recursive_inlining_p): Ditto.
3593         (update_caller_keys): Change type of FAILED_REASON to
3594         cgraph_inline_failed_t.
3595         (cgraph_set_inline_failed): Change type of REASON to pointer to
3596         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
3597         convert enums to strings for text output.
3598         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
3599         to be of type cgraph_inline_failed_t.  Replace reason strings with
3600         enums.  Call cgraph_inline_failed_string to covert enums
3601         to strings for text output.
3602         (cgraph_decide_inlining): Replace reason strings with enums.
3603         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
3604         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
3605         for text output.
3606         * tree-inline.c (expand_call_inline): Change type of REASON
3607         to cgraph_inline_failed_t.  Replace reason strings with enums.
3608         Call cgraph_inline_failed_string for text output.
3609         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
3610         (cgraph.o): Ditto.
3611
3612 2009-03-28  Jan Hubicka  <jh@suse.cz>
3613
3614         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
3615         cgraph_clone_node): Remove master clone handling.
3616         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3617         * cgraph.h (master_clone): Remove.
3618         (cgraph_is_master_clone, cgraph_master_clone): Remove.
3619         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
3620         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
3621
3622 2009-03-28  Jan Hubicka  <jh@suse.cz>
3623
3624         * cgraph.c (cgraph_function_body_availability): Functions declared
3625         inline are always safe to assume that it is not going to be replaced.
3626
3627 2009-03-28  Richard Guenther  <rguenther@suse.de>
3628
3629         PR tree-optimization/38513
3630         * tree-ssa-pre.c (eliminate): Remove redundant stores.
3631         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3632         EXC_PTR_EXPR and FILTER_EXPR.
3633         (get_ref_from_reference_ops): Likewise.
3634
3635 2009-03-28  Richard Guenther  <rguenther@suse.de>
3636
3637         PR tree-optimization/38968
3638         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3639         Use FLOOR_MOD_EXPR to compute misalignment.
3640
3641 2009-03-28  Richard Guenther  <rguenther@suse.de>
3642
3643         PR tree-optimization/37795
3644         * tree.h (combine_comparisons): Declare.
3645         * fold-const.c (combine_comparisons): Export.
3646         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
3647         comparisons.
3648         (ifcombine_iforif): Use combine_comparisons.
3649
3650 2009-03-28  Jan Hubicka  <jh@suse.cz>
3651
3652         * tree-eh.c (inlinable_call_p): New function.
3653         (make_eh_edges): Use it.
3654         (verify_eh_edges): Use it.
3655         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
3656         * except.c (reachable_next_level): Add inlinable_function argument
3657         (sjlj_find_directly_reachable_regions): Update.
3658         (add_reachable_handler): Do not set saw_any_handlers.
3659         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
3660         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
3661         Add new inlinable call parameter.
3662         (can_throw_internal, can_throw_external): Update.
3663         * except.h (can_throw_internal_1, can_throw_external_1,
3664         foreach_reachable_handler): Update declaration.
3665
3666 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
3667
3668         * config/arm/t-arm-coff, config/h8300/coff.h,
3669         config/i386/i386-aout.h, config/i386/i386-coff.h,
3670         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
3671         config/pdp11/2bsd.h, config/rs6000/aix41.h,
3672         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
3673         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
3674         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
3675         sys-types.h: Remove.
3676         * Makefile.in: Remove protoize and fixproto support and references
3677         in comments.
3678         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
3679         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
3680         Remove.
3681         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
3682         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
3683         unprotoize$(exeext).
3684         (rest.encap): Don't depend on $(STMP_FIXPROTO)
3685         (.PHONY): Don't depend on proto.
3686         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
3687         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
3688         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
3689         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
3690         build/gen-protos.o, build/scan.o, xsys-protos.h,
3691         build/fix-header$(build_exeext), build/fix-header.o,
3692         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
3693         stmp-install-fixproto): Remove.
3694         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
3695         SYSCALLS.c or fixproto files.
3696         (install-common): Don't install protoize.
3697         (install-headers-tar, install-headers-cpio, install-headers-cp):
3698         Don't depend on $(STMP_FIXPROTO).
3699         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
3700         install fixproto files or write out fixproto settings.
3701         (uninstall): Don't uninstall protoize.
3702         * config.gcc (use_fixproto): Remove.
3703         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
3704         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
3705         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
3706         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
3707         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
3708         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
3709         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
3710         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
3711         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
3712         * config/t-vxworks (STMP_FIXPROTO): Remove.
3713         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
3714         STMP_FIXPROTO): Remove.
3715         * config.in, configure: Regenerate.
3716         * crtstuff.c (gid_t, uid_t): Don't undefine.
3717         * doc/install.texi: Change m68k-coff to m68k-elf in example.
3718         (arm-*-coff, arm-*-aout: Remove target entries.
3719         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
3720         Remove mention of AIX 4.1.
3721         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
3722         * doc/invoke.texi (Running Protoize): Remove.
3723         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
3724         (Protoize Caveats): Remove.
3725         * tsystem.h: Update comments on headers assumed to exist.
3726
3727 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
3728
3729         * genautomata.c: Add a new year to the copyright.  Add a new
3730         reference.
3731         (struct insn_reserv_decl): Add comments for member bypass_list.
3732         (find_bypass): Remove.
3733         (insert_bypass): New.
3734         (process_decls): Use insert_bypass.
3735         (output_internal_insn_latency_func): Output all bypasses with the
3736         same input insn in one switch case.
3737
3738         * rtl.def (define_bypass): Describe bypass choice.
3739         * doc/md.texi (define_bypass): Ditto.
3740
3741 2009-03-27  Richard Guenther  <rguenther@suse.de>
3742
3743         * gimplify.c (mark_addressable): Export.
3744         * tree-flow.h (mark_addressable): Declare.
3745         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
3746         * tree-ssa.c (verify_phi_args): Verify that address taken
3747         variables have TREE_ADDRESSABLE set.
3748
3749 2009-03-27  Richard Guenther  <rguenther@suse.de>
3750
3751         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
3752         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
3753         Do not mark decls TREE_ADDRESSABLE.
3754         (build_fold_addr_expr): Adjust.
3755         (fold_addr_expr): Remove.
3756         (fold_unary): Use build_fold_addr_expr.
3757         (fold_comparison): Likewise.
3758         (split_address_to_core_and_offset): Likewise.
3759         * coverage.c (tree_coverage_counter_addr): Mark the array decl
3760         TREE_ADDRESSABLE.
3761         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
3762         (gimplify_modify_expr_to_memcpy): Mark source and destination
3763         addressable.
3764         * omp-low.c (create_omp_child_function): Mark the object decl
3765         TREE_ADDRESSABLE.
3766         (lower_rec_input_clauses): Mark the var we take the address of
3767         TREE_ADDRESSABLE.
3768         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
3769
3770 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3771
3772         PR middle-end/39315
3773         * cfgexpand.c (expand_one_stack_var_at): Change alignment
3774         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
3775
3776 2009-03-27  Richard Guenther  <rguenther@suse.de>
3777
3778         PR tree-optimization/39120
3779         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
3780         constraints.
3781         (handle_lhs_call): Process return constraints.  Add escape
3782         constraints if necessary.
3783         (handle_const_call): Fill out return constraints.  Make nested
3784         case more precise.  Avoid consttmp if possible.
3785         (handle_pure_call): Fill out return constraints.  Avoid
3786         callused if possible.
3787         (find_func_aliases): Simplify call handling.
3788
3789 2009-03-27  Richard Guenther  <rguenther@suse.de>
3790
3791         PR tree-optimization/39120
3792         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
3793         as a representative.
3794         (solve_graph): Do propagate CALLUSED.
3795         (handle_pure_call): Use a scalar constraint from CALLUSED for
3796         the return value.
3797         (find_what_p_points_to): CALLUSED shall not appear in poins-to
3798         solutions.
3799
3800 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3801
3802         PR c/39323
3803         * c-common.c (handle_aligned_attribute): Properly check alignment
3804         overflow.  Use (1U << i) instead of (1 << i).
3805
3806         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
3807
3808         * expr.h (get_mem_align_offset): Updated.
3809
3810         * tree.h (tree_decl_common): Change align to "unsigned int" and
3811         move it before pointer_alias_set.
3812
3813 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3814             Jakub Jelinek  <jakub@redhat.com>
3815
3816         PR target/38034
3817         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
3818         gr_register_operand with gr_reg_or_0_operand.
3819         (cmpxchg_rel_di): Likewise.
3820         (sync_lock_test_and_set<mode>): Likewise.
3821
3822 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3823
3824         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
3825         (true_regnum): Likewise.
3826
3827         * rtlanal.c (subreg_info): Moved to ...
3828         * rtl.h (subreg_info): Here.  New.
3829         (subreg_get_info): New.
3830
3831         * rtlanal.c (subreg_get_info): Make it extern.
3832
3833 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3834
3835         PR target/39472
3836         * config/i386/i386.c (ix86_abi): New.
3837         (override_options): Handle -mabi=.
3838         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
3839         (ix86_call_abi_override): Likewise.
3840         (init_cumulative_args): Likewise.
3841         (function_arg_advance): Likewise.
3842         (function_arg_64): Likewise.
3843         (function_arg): Likewise.
3844         (ix86_pass_by_reference): Likewise.
3845         (ix86_function_value_regno_p): Likewise.
3846         (ix86_build_builtin_va_list_abi): Likewise.
3847         (setup_incoming_varargs_64): Likewise.
3848         (is_va_list_char_pointer): Likewise.
3849         (ix86_init_machine_status): Likewise.
3850         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
3851         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
3852         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
3853         (ix86_function_abi): Make it static and return enum calling_abi.
3854         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
3855         with ix86_abi.
3856         (ix86_fn_abi_va_list): Updated.
3857
3858         * config/i386/i386.h (ix86_abi): New.
3859         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
3860         (CONDITIONAL_REGISTER_USAGE): Likewise.
3861         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
3862         (machine_function): Likewise.
3863
3864         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
3865         with ix86_abi.
3866         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
3867         (STACK_BOUNDARY): Likewise.
3868         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
3869
3870         * config/i386/i386.opt (mabi=): New.
3871
3872         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
3873         return enum calling_abi.
3874         (ix86_function_type_abi): Likewise.
3875         (ix86_function_abi): Removed.
3876
3877         * doc/invoke.texi: Document -mabi= option for x86.
3878
3879 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3880
3881         * builtins.c (real_dconstp): Delete.
3882         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
3883
3884 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
3885             Jakub Jelinek  <jakub@redhat.com>
3886
3887         PR debug/37959
3888         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
3889         (gen_subprogram_die): When a function is explicit, generate the
3890         DW_AT_explicit attribute.
3891         * langhooks.h (struct lang_hooks_for_decls): Add
3892         function_decl_explicit_p langhook.
3893         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
3894         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
3895
3896 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
3897
3898         * builtins.c (fold_builtin_memory_op): Optimize memmove
3899         into memcpy if we can prove source and destination don't overlap.
3900
3901         * tree-inline.c: Include gt-tree-inline.h.
3902         (clone_fn_id_num): New variable.
3903         (clone_function_name): New function.
3904         (tree_function_versioning): Use it.
3905         * Makefile.in (GTFILES): Add tree-inline.c.
3906
3907 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
3908
3909         * BASE-VER: Change to 4.5.0.
3910
3911 2009-03-27  Xinliang David Li  <davidxl@google.com>
3912
3913         PR tree-optimization/39557
3914         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
3915
3916 2009-03-27  Xinliang David Li  <davidxl@google.com>
3917
3918         PR tree-optimization/39548
3919         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
3920         candidate check.
3921
3922 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3923
3924         * c-common.c (pointer_int_sum): Use %wd on return from
3925         tree_low_cst.
3926
3927 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3928
3929         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
3930         on return from tree_low_cst.
3931
3932 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3933
3934         PR c++/36799
3935         * ginclude/stdarg.h (va_copy): Define also for
3936         __GXX_EXPERIMENTAL_CXX0X__.
3937
3938 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3939
3940         PR c++/35652
3941         * builtins.h (c_strlen): Do not warn here.
3942         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
3943         * c-common.c (pointer_int_sum): Take an explicit locati